content: /*
   * Copyright (C) 2008 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package android.os;
  
  import static android.app.ActivityManager.PROCESS_STATE_BOUND_TOP;
  import static android.app.ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE_LOCATION;
  
  import android.annotation.UnsupportedAppUsage;
  import android.app.ActivityManager;
  import android.app.job.JobParameters;
  import android.content.Context;
  import android.content.pm.ApplicationInfo;
  import android.server.ServerProtoEnums;
  import android.service.batterystats.BatteryStatsServiceDumpHistoryProto;
  import android.service.batterystats.BatteryStatsServiceDumpProto;
  import android.telephony.SignalStrength;
  import android.telephony.TelephonyManager;
  import android.text.format.DateFormat;
  import android.util.ArrayMap;
  import android.util.LongSparseArray;
  import android.util.MutableBoolean;
  import android.util.Pair;
  import android.util.Printer;
  import android.util.SparseArray;
  import android.util.SparseIntArray;
  import android.util.TimeUtils;
  import android.util.proto.ProtoOutputStream;
  import android.view.Display;
  
  import com.android.internal.annotations.VisibleForTesting;
  import com.android.internal.location.gnssmetrics.GnssMetrics;
  import com.android.internal.os.BatterySipper;
  import com.android.internal.os.BatteryStatsHelper;
  
  import java.io.FileDescriptor;
  import java.io.PrintWriter;
  import java.text.DecimalFormat;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Comparator;
  import java.util.Formatter;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * A class providing access to battery usage statistics, including information on
   * wakelocks, processes, packages, and services.  All times are represented in microseconds
   * except where indicated otherwise.
   * @hide
   */
  public abstract class BatteryStats implements Parcelable {
      private static final String TAG = "BatteryStats";
  
      private static final boolean LOCAL_LOGV = false;
      /** Fetching RPM stats is too slow to do each time screen changes, so disable it. */
      protected static final boolean SCREEN_OFF_RPM_STATS_ENABLED = false;
  
      /** @hide */
      public static final String SERVICE_NAME = "batterystats";
  
      /**
       * A constant indicating a partial wake lock timer.
       */
      @UnsupportedAppUsage
      public static final int WAKE_TYPE_PARTIAL = 0;
  
      /**
       * A constant indicating a full wake lock timer.
       */
      public static final int WAKE_TYPE_FULL = 1;
  
      /**
       * A constant indicating a window wake lock timer.
       */
      public static final int WAKE_TYPE_WINDOW = 2;
  
      /**
       * A constant indicating a sensor timer.
       */
      public static final int SENSOR = 3;
  
      /**
       * A constant indicating a a wifi running timer
       */
      public static final int WIFI_RUNNING = 4;
  
      /**
       * A constant indicating a full wifi lock timer
       */
      public static final int FULL_WIFI_LOCK = 5;
  
      /**
       * A constant indicating a wifi scan
       */
      public static final int WIFI_SCAN = 6;
  
      /**
       * A constant indicating a wifi multicast timer
       */
      public static final int WIFI_MULTICAST_ENABLED = 7;
  
      /**
       * A constant indicating a video turn on timer
       */
      public static final int VIDEO_TURNED_ON = 8;
  
      /**
       * A constant indicating a vibrator on timer
       */
      public static final int VIBRATOR_ON = 9;
  
      /**
       * A constant indicating a foreground activity timer
       */
      public static final int FOREGROUND_ACTIVITY = 10;
  
      /**
       * A constant indicating a wifi batched scan is active
       */
      public static final int WIFI_BATCHED_SCAN = 11;
  
      /**
       * A constant indicating a process state timer
       */
      public static final int PROCESS_STATE = 12;
  
      /**
       * A constant indicating a sync timer
       */
      public static final int SYNC = 13;
  
      /**
       * A constant indicating a job timer
       */
      public static final int JOB = 14;
  
      /**
       * A constant indicating an audio turn on timer
       */
      public static final int AUDIO_TURNED_ON = 15;
  
      /**
       * A constant indicating a flashlight turn on timer
       */
      public static final int FLASHLIGHT_TURNED_ON = 16;
  
      /**
       * A constant indicating a camera turn on timer
       */
      public static final int CAMERA_TURNED_ON = 17;
  
      /**
       * A constant indicating a draw wake lock timer.
       */
      public static final int WAKE_TYPE_DRAW = 18;
  
      /**
       * A constant indicating a bluetooth scan timer.
       */
      public static final int BLUETOOTH_SCAN_ON = 19;
  
      /**
       * A constant indicating an aggregated partial wake lock timer.
       */
      public static final int AGGREGATED_WAKE_TYPE_PARTIAL = 20;
  
      /**
       * A constant indicating a bluetooth scan timer for unoptimized scans.
       */
      public static final int BLUETOOTH_UNOPTIMIZED_SCAN_ON = 21;
  
      /**
       * A constant indicating a foreground service timer
       */
      public static final int FOREGROUND_SERVICE = 22;
  
      /**
       * A constant indicating an aggregate wifi multicast timer
       */
       public static final int WIFI_AGGREGATE_MULTICAST_ENABLED = 23;
  
      /**
       * Include all of the data in the stats, including previously saved data.
       */
      public static final int STATS_SINCE_CHARGED = 0;
  
      /**
       * Include only the current run in the stats.
       *
       * @deprecated As of {@link android.os.Build.VERSION_CODES#Q}, only {@link #STATS_SINCE_CHARGED}
       * is supported.
       */
      @UnsupportedAppUsage
      @Deprecated
      public static final int STATS_CURRENT = 1;
  
      /**
       * Include only the run since the last time the device was unplugged in the stats.
       *
       * @deprecated As of {@link android.os.Build.VERSION_CODES#Q}, only {@link #STATS_SINCE_CHARGED}
       * is supported.
       */
      @Deprecated
      public static final int STATS_SINCE_UNPLUGGED = 2;
  
      // NOTE: Update this list if you add/change any stats above.
      // These characters are supposed to represent "total", "last", "current",
      // and "unplugged". They were shortened for efficiency sake.
      private static final String[] STAT_NAMES = { "l", "c", "u" };
  
      /**
       * Current version of checkin data format.
       *
       * New in version 19:
       *   - Wakelock data (wl) gets current and max times.
       * New in version 20:
       *   - Background timers and counters for: Sensor, BluetoothScan, WifiScan, Jobs, Syncs.
       * New in version 21:
       *   - Actual (not just apportioned) Wakelock time is also recorded.
       *   - Aggregated partial wakelock time (per uid, instead of per wakelock) is recorded.
       *   - BLE scan result count
       *   - CPU frequency time per uid
       * New in version 22:
       *   - BLE scan result background count, BLE unoptimized scan time
       *   - Background partial wakelock time & count
       * New in version 23:
       *   - Logging smeared power model values
       * New in version 24:
       *   - Fixed bugs in background timers and BLE scan time
       * New in version 25:
       *   - Package wakeup alarms are now on screen-off timebase
       * New in version 26:
       *   - Resource power manager (rpm) states [but screenOffRpm is disabled from working properly]
       * New in version 27:
       *   - Always On Display (screen doze mode) time and power
       * New in version 28:
       *   - Light/Deep Doze power
       *   - WiFi Multicast Wakelock statistics (count & duration)
       * New in version 29:
       *   - Process states re-ordered. TOP_SLEEPING now below BACKGROUND. HEAVY_WEIGHT introduced.
       *   - CPU times per UID process state
       * New in version 30:
       *   - Uid.PROCESS_STATE_FOREGROUND_SERVICE only tracks
       *   ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE.
       * New in version 31:
       *   - New cellular network types.
       *   - Deferred job metrics.
       * New in version 32:
       *   - Ambient display properly output in data dump.
       * New in version 33:
       *   - Fixed bug in min learned capacity updating process.
       * New in version 34:
       *   - Deprecated STATS_SINCE_UNPLUGGED and STATS_CURRENT.
       * New in version 35:
       *   - Fixed bug that was not reporting high cellular tx power correctly
       *   - Added out of service and emergency service modes to data connection types
       */
      static final int CHECKIN_VERSION = 35;
  
      /**
       * Old version, we hit 9 and ran out of room, need to remove.
       */
      private static final int BATTERY_STATS_CHECKIN_VERSION = 9;
  
      private static final long BYTES_PER_KB = 1024;
      private static final long BYTES_PER_MB = 1048576; // 1024^2
      private static final long BYTES_PER_GB = 1073741824; //1024^3
      public static final double MILLISECONDS_IN_HOUR = 3600 * 1000;
  
      private static final String VERSION_DATA = "vers";
      private static final String UID_DATA = "uid";
      private static final String WAKEUP_ALARM_DATA = "wua";
      private static final String APK_DATA = "apk";
      private static final String PROCESS_DATA = "pr";
      private static final String CPU_DATA = "cpu";
      private static final String GLOBAL_CPU_FREQ_DATA = "gcf";
      private static final String CPU_TIMES_AT_FREQ_DATA = "ctf";
      // rpm line is:
      // BATTERY_STATS_CHECKIN_VERSION, uid, which, "rpm", state/voter name, total time, total count,
      // screen-off time, screen-off count
      private static final String RESOURCE_POWER_MANAGER_DATA = "rpm";
      private static final String SENSOR_DATA = "sr";
      private static final String VIBRATOR_DATA = "vib";
      private static final String FOREGROUND_ACTIVITY_DATA = "fg";
      // fgs line is:
      // BATTERY_STATS_CHECKIN_VERSION, uid, category, "fgs",
      // foreground service time, count
      private static final String FOREGROUND_SERVICE_DATA = "fgs";
      private static final String STATE_TIME_DATA = "st";
      // wl line is:
      // BATTERY_STATS_CHECKIN_VERSION, uid, which, "wl", name,
      // full        totalTime, 'f',  count, current duration, max duration, total duration,
      // partial     totalTime, 'p',  count, current duration, max duration, total duration,
      // bg partial  totalTime, 'bp', count, current duration, max duration, total duration,
      // window      totalTime, 'w',  count, current duration, max duration, total duration
      // [Currently, full and window wakelocks have durations current = max = total = -1]
      private static final String WAKELOCK_DATA = "wl";
      // awl line is:
      // BATTERY_STATS_CHECKIN_VERSION, uid, which, "awl",
      // cumulative partial wakelock duration, cumulative background partial wakelock duration
      private static final String AGGREGATED_WAKELOCK_DATA = "awl";
      private static final String SYNC_DATA = "sy";
      private static final String JOB_DATA = "jb";
      private static final String JOB_COMPLETION_DATA = "jbc";
  
      /**
       * jbd line is:
       * BATTERY_STATS_CHECKIN_VERSION, uid, which, "jbd",
       * jobsDeferredEventCount, jobsDeferredCount, totalLatencyMillis,
       * count at latency < 1 hr, count at latency 1 to 2 hrs, 2 to 4 hrs, 4 to 8 hrs, and past 8 hrs
       * <p>
       * @see #JOB_FRESHNESS_BUCKETS
       */
      private static final String JOBS_DEFERRED_DATA = "jbd";
      private static final String KERNEL_WAKELOCK_DATA = "kwl";
      private static final String WAKEUP_REASON_DATA = "wr";
      private static final String NETWORK_DATA = "nt";
      private static final String USER_ACTIVITY_DATA = "ua";
      private static final String BATTERY_DATA = "bt";
      private static final String BATTERY_DISCHARGE_DATA = "dc";
      private static final String BATTERY_LEVEL_DATA = "lv";
      private static final String GLOBAL_WIFI_DATA = "gwfl";
      private static final String WIFI_DATA = "wfl";
      private static final String GLOBAL_WIFI_CONTROLLER_DATA = "gwfcd";
      private static final String WIFI_CONTROLLER_DATA = "wfcd";
      private static final String GLOBAL_BLUETOOTH_CONTROLLER_DATA = "gble";
      private static final String BLUETOOTH_CONTROLLER_DATA = "ble";
      private static final String BLUETOOTH_MISC_DATA = "blem";
      private static final String MISC_DATA = "m";
      private static final String GLOBAL_NETWORK_DATA = "gn";
      private static final String GLOBAL_MODEM_CONTROLLER_DATA = "gmcd";
      private static final String MODEM_CONTROLLER_DATA = "mcd";
      private static final String HISTORY_STRING_POOL = "hsp";
      private static final String HISTORY_DATA = "h";
      private static final String SCREEN_BRIGHTNESS_DATA = "br";
      private static final String SIGNAL_STRENGTH_TIME_DATA = "sgt";
      private static final String SIGNAL_SCANNING_TIME_DATA = "sst";
      private static final String SIGNAL_STRENGTH_COUNT_DATA = "sgc";
      private static final String DATA_CONNECTION_TIME_DATA = "dct";
      private static final String DATA_CONNECTION_COUNT_DATA = "dcc";
      private static final String WIFI_STATE_TIME_DATA = "wst";
      private static final String WIFI_STATE_COUNT_DATA = "wsc";
      private static final String WIFI_SUPPL_STATE_TIME_DATA = "wsst";
      private static final String WIFI_SUPPL_STATE_COUNT_DATA = "wssc";
      private static final String WIFI_SIGNAL_STRENGTH_TIME_DATA = "wsgt";
      private static final String WIFI_SIGNAL_STRENGTH_COUNT_DATA = "wsgc";
      private static final String POWER_USE_SUMMARY_DATA = "pws";
      private static final String POWER_USE_ITEM_DATA = "pwi";
      private static final String DISCHARGE_STEP_DATA = "dsd";
      private static final String CHARGE_STEP_DATA = "csd";
      private static final String DISCHARGE_TIME_REMAIN_DATA = "dtr";
      private static final String CHARGE_TIME_REMAIN_DATA = "ctr";
      private static final String FLASHLIGHT_DATA = "fla";
      private static final String CAMERA_DATA = "cam";
      private static final String VIDEO_DATA = "vid";
      private static final String AUDIO_DATA = "aud";
      private static final String WIFI_MULTICAST_TOTAL_DATA = "wmct";
      private static final String WIFI_MULTICAST_DATA = "wmc";
  
      public static final String RESULT_RECEIVER_CONTROLLER_KEY = "controller_activity";
  
      private final StringBuilder mFormatBuilder = new StringBuilder(32);
      private final Formatter mFormatter = new Formatter(mFormatBuilder);
  
      private static final String CELLULAR_CONTROLLER_NAME = "Cellular";
      private static final String WIFI_CONTROLLER_NAME = "WiFi";
  
      /**
       * Indicates times spent by the uid at each cpu frequency in all process states.
       *
       * Other types might include times spent in foreground, background etc.
       */
      @VisibleForTesting
      public static final String UID_TIMES_TYPE_ALL = "A";
  
      /**
       * These are the thresholds for bucketing last time since a job was run for an app
       * that just moved to ACTIVE due to a launch. So if the last time a job ran was less
       * than 1 hour ago, then it's reasonably fresh, 2 hours ago, not so fresh and so
       * on.
       */
      public static final long[] JOB_FRESHNESS_BUCKETS = {
              1 * 60 * 60 * 1000L,
              2 * 60 * 60 * 1000L,
              4 * 60 * 60 * 1000L,
              8 * 60 * 60 * 1000L,
              Long.MAX_VALUE
      };
  
      /**
       * State for keeping track of counting information.
       */
      public static abstract class Counter {
  
          /**
           * Returns the count associated with this Counter for the
           * selected type of statistics.
           *
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
           */
          @UnsupportedAppUsage
          public abstract int getCountLocked(int which);
  
          /**
           * Temporary for debugging.
           */
          public abstract void logState(Printer pw, String prefix);
      }
  
      /**
       * State for keeping track of long counting information.
       */
      public static abstract class LongCounter {
  
          /**
           * Returns the count associated with this Counter for the
           * selected type of statistics.
           *
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
           */
          public abstract long getCountLocked(int which);
  
          /**
           * Temporary for debugging.
           */
          public abstract void logState(Printer pw, String prefix);
      }
  
      /**
       * State for keeping track of array of long counting information.
       */
      public static abstract class LongCounterArray {
          /**
           * Returns the counts associated with this Counter for the
           * selected type of statistics.
           *
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
           */
          public abstract long[] getCountsLocked(int which);
  
          /**
           * Temporary for debugging.
           */
          public abstract void logState(Printer pw, String prefix);
      }
  
      /**
       * Container class that aggregates counters for transmit, receive, and idle state of a
       * radio controller.
       */
      public static abstract class ControllerActivityCounter {
          /**
           * @return a non-null {@link LongCounter} representing time spent (milliseconds) in the
           * idle state.
           */
          public abstract LongCounter getIdleTimeCounter();
  
          /**
           * @return a non-null {@link LongCounter} representing time spent (milliseconds) in the
           * scan state.
           */
          public abstract LongCounter getScanTimeCounter();
  
          /**
           * @return a non-null {@link LongCounter} representing time spent (milliseconds) in the
           * sleep state.
           */
          public abstract LongCounter getSleepTimeCounter();
  
          /**
           * @return a non-null {@link LongCounter} representing time spent (milliseconds) in the
           * receive state.
           */
          public abstract LongCounter getRxTimeCounter();
  
          /**
           * An array of {@link LongCounter}, representing various transmit levels, where each level
           * may draw a different amount of power. The levels themselves are controller-specific.
           * @return non-null array of {@link LongCounter}s representing time spent (milliseconds) in
           * various transmit level states.
           */
          public abstract LongCounter[] getTxTimeCounters();
  
          /**
           * @return a non-null {@link LongCounter} representing the power consumed by the controller
           * in all states, measured in milli-ampere-milliseconds (mAms). The counter may always
           * yield a value of 0 if the device doesn't support power calculations.
           */
          public abstract LongCounter getPowerCounter();
  
          /**
           * @return a non-null {@link LongCounter} representing total power monitored on the rails
           * in mAms (miliamps-milliseconds). The counter may always yield a value of 0 if the device
           * doesn't support power rail monitoring.
           */
          public abstract LongCounter getMonitoredRailChargeConsumedMaMs();
      }
  
      /**
       * State for keeping track of timing information.
       */
      public static abstract class Timer {
  
          /**
           * Returns the count associated with this Timer for the
           * selected type of statistics.
           *
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
           */
          @UnsupportedAppUsage
          public abstract int getCountLocked(int which);
  
          /**
           * Returns the total time in microseconds associated with this Timer for the
           * selected type of statistics.
           *
           * @param elapsedRealtimeUs current elapsed realtime of system in microseconds
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
           * @return a time in microseconds
           */
          @UnsupportedAppUsage
          public abstract long getTotalTimeLocked(long elapsedRealtimeUs, int which);
  
          /**
           * Returns the total time in microseconds associated with this Timer since the
           * 'mark' was last set.
           *
           * @param elapsedRealtimeUs current elapsed realtime of system in microseconds
           * @return a time in microseconds
           */
          public abstract long getTimeSinceMarkLocked(long elapsedRealtimeUs);
  
          /**
           * Returns the max duration if it is being tracked.
           * Not all Timer subclasses track the max, total, and current durations.
           */
          public long getMaxDurationMsLocked(long elapsedRealtimeMs) {
              return -1;
          }
  
          /**
           * Returns the current time the timer has been active, if it is being tracked.
           * Not all Timer subclasses track the max, total, and current durations.
           */
          public long getCurrentDurationMsLocked(long elapsedRealtimeMs) {
              return -1;
          }
  
          /**
           * Returns the total time the timer has been active, if it is being tracked.
           *
           * Returns the total cumulative duration (i.e. sum of past durations) that this timer has
           * been on since reset.
           * This may differ from getTotalTimeLocked(elapsedRealtimeUs, STATS_SINCE_CHARGED)/1000 since,
           * depending on the Timer, getTotalTimeLocked may represent the total 'blamed' or 'pooled'
           * time, rather than the actual time. By contrast, getTotalDurationMsLocked always gives
           * the actual total time.
           * Not all Timer subclasses track the max, total, and current durations.
           */
          public long getTotalDurationMsLocked(long elapsedRealtimeMs) {
              return -1;
          }
  
          /**
           * Returns the secondary Timer held by the Timer, if one exists. This secondary timer may be
           * used, for example, for tracking background usage. Secondary timers are never pooled.
           *
           * Not all Timer subclasses have a secondary timer; those that don't return null.
           */
          public Timer getSubTimer() {
              return null;
          }
  
          /**
           * Returns whether the timer is currently running.  Some types of timers
           * (e.g. BatchTimers) don't know whether the event is currently active,
           * and report false.
           */
          public boolean isRunningLocked() {
              return false;
          }
  
          /**
           * Temporary for debugging.
           */
          public abstract void logState(Printer pw, String prefix);
      }
  
      /**
       * Maps the ActivityManager procstate into corresponding BatteryStats procstate.
       */
      public static int mapToInternalProcessState(int procState) {
          if (procState == ActivityManager.PROCESS_STATE_NONEXISTENT) {
              return ActivityManager.PROCESS_STATE_NONEXISTENT;
          } else if (procState == ActivityManager.PROCESS_STATE_TOP) {
              return Uid.PROCESS_STATE_TOP;
          } else if (ActivityManager.isForegroundService(procState)) {
              // State when app has put itself in the foreground.
              return Uid.PROCESS_STATE_FOREGROUND_SERVICE;
          } else if (procState <= ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND) {
              // Persistent and other foreground states go here.
              return Uid.PROCESS_STATE_FOREGROUND;
          } else if (procState <= ActivityManager.PROCESS_STATE_RECEIVER) {
              return Uid.PROCESS_STATE_BACKGROUND;
          } else if (procState <= ActivityManager.PROCESS_STATE_TOP_SLEEPING) {
              return Uid.PROCESS_STATE_TOP_SLEEPING;
          } else if (procState <= ActivityManager.PROCESS_STATE_HEAVY_WEIGHT) {
              return Uid.PROCESS_STATE_HEAVY_WEIGHT;
          } else {
              return Uid.PROCESS_STATE_CACHED;
          }
      }
  
      /**
       * The statistics associated with a particular uid.
       */
      public static abstract class Uid {
  
          /**
           * Returns a mapping containing wakelock statistics.
           *
           * @return a Map from Strings to Uid.Wakelock objects.
           */
          @UnsupportedAppUsage
          public abstract ArrayMap<String, ? extends Wakelock> getWakelockStats();
  
          /**
           * Returns the WiFi Multicast Wakelock statistics.
           *
           * @return a Timer Object for the per uid Multicast statistics.
           */
          public abstract Timer getMulticastWakelockStats();
  
          /**
           * Returns a mapping containing sync statistics.
           *
           * @return a Map from Strings to Timer objects.
           */
          public abstract ArrayMap<String, ? extends Timer> getSyncStats();
  
          /**
           * Returns a mapping containing scheduled job statistics.
           *
           * @return a Map from Strings to Timer objects.
           */
          public abstract ArrayMap<String, ? extends Timer> getJobStats();
  
          /**
           * Returns statistics about how jobs have completed.
           *
           * @return A Map of String job names to completion type -> count mapping.
           */
          public abstract ArrayMap<String, SparseIntArray> getJobCompletionStats();
  
          /**
           * The statistics associated with a particular wake lock.
           */
          public static abstract class Wakelock {
              @UnsupportedAppUsage
              public abstract Timer getWakeTime(int type);
          }
  
          /**
           * The cumulative time the uid spent holding any partial wakelocks. This will generally
           * differ from summing over the Wakelocks in getWakelockStats since the latter may have
           * wakelocks that overlap in time (and therefore over-counts).
           */
          public abstract Timer getAggregatedPartialWakelockTimer();
  
          /**
           * Returns a mapping containing sensor statistics.
           *
           * @return a Map from Integer sensor ids to Uid.Sensor objects.
           */
          @UnsupportedAppUsage
          public abstract SparseArray<? extends Sensor> getSensorStats();
  
          /**
           * Returns a mapping containing active process data.
           */
          public abstract SparseArray<? extends Pid> getPidStats();
  
          /**
           * Returns a mapping containing process statistics.
           *
           * @return a Map from Strings to Uid.Proc objects.
           */
          @UnsupportedAppUsage
          public abstract ArrayMap<String, ? extends Proc> getProcessStats();
  
          /**
           * Returns a mapping containing package statistics.
           *
           * @return a Map from Strings to Uid.Pkg objects.
           */
          @UnsupportedAppUsage
          public abstract ArrayMap<String, ? extends Pkg> getPackageStats();
  
          public abstract ControllerActivityCounter getWifiControllerActivity();
          public abstract ControllerActivityCounter getBluetoothControllerActivity();
          public abstract ControllerActivityCounter getModemControllerActivity();
  
          /**
           * {@hide}
           */
          @UnsupportedAppUsage
          public abstract int getUid();
  
          public abstract void noteWifiRunningLocked(long elapsedRealtime);
          public abstract void noteWifiStoppedLocked(long elapsedRealtime);
          public abstract void noteFullWifiLockAcquiredLocked(long elapsedRealtime);
          public abstract void noteFullWifiLockReleasedLocked(long elapsedRealtime);
          public abstract void noteWifiScanStartedLocked(long elapsedRealtime);
          public abstract void noteWifiScanStoppedLocked(long elapsedRealtime);
          public abstract void noteWifiBatchedScanStartedLocked(int csph, long elapsedRealtime);
          public abstract void noteWifiBatchedScanStoppedLocked(long elapsedRealtime);
          public abstract void noteWifiMulticastEnabledLocked(long elapsedRealtime);
          public abstract void noteWifiMulticastDisabledLocked(long elapsedRealtime);
          public abstract void noteActivityResumedLocked(long elapsedRealtime);
          public abstract void noteActivityPausedLocked(long elapsedRealtime);
          @UnsupportedAppUsage
          public abstract long getWifiRunningTime(long elapsedRealtimeUs, int which);
          @UnsupportedAppUsage
          public abstract long getFullWifiLockTime(long elapsedRealtimeUs, int which);
          @UnsupportedAppUsage
          public abstract long getWifiScanTime(long elapsedRealtimeUs, int which);
          public abstract int getWifiScanCount(int which);
          /**
           * Returns the timer keeping track of wifi scans.
           */
          public abstract Timer getWifiScanTimer();
          public abstract int getWifiScanBackgroundCount(int which);
          public abstract long getWifiScanActualTime(long elapsedRealtimeUs);
          public abstract long getWifiScanBackgroundTime(long elapsedRealtimeUs);
          /**
           * Returns the timer keeping track of background wifi scans.
           */
          public abstract Timer getWifiScanBackgroundTimer();
          @UnsupportedAppUsage
          public abstract long getWifiBatchedScanTime(int csphBin, long elapsedRealtimeUs, int which);
          public abstract int getWifiBatchedScanCount(int csphBin, int which);
          @UnsupportedAppUsage
          public abstract long getWifiMulticastTime(long elapsedRealtimeUs, int which);
          @UnsupportedAppUsage
          public abstract Timer getAudioTurnedOnTimer();
          @UnsupportedAppUsage
          public abstract Timer getVideoTurnedOnTimer();
          public abstract Timer getFlashlightTurnedOnTimer();
          public abstract Timer getCameraTurnedOnTimer();
          public abstract Timer getForegroundActivityTimer();
  
          /**
           * Returns the timer keeping track of Foreground Service time
           */
          public abstract Timer getForegroundServiceTimer();
          public abstract Timer getBluetoothScanTimer();
          public abstract Timer getBluetoothScanBackgroundTimer();
          public abstract Timer getBluetoothUnoptimizedScanTimer();
          public abstract Timer getBluetoothUnoptimizedScanBackgroundTimer();
          public abstract Counter getBluetoothScanResultCounter();
          public abstract Counter getBluetoothScanResultBgCounter();
  
          public abstract long[] getCpuFreqTimes(int which);
          public abstract long[] getScreenOffCpuFreqTimes(int which);
          /**
           * Returns cpu active time of an uid.
           */
          public abstract long getCpuActiveTime();
          /**
           * Returns cpu times of an uid on each cluster
           */
          public abstract long[] getCpuClusterTimes();
  
          /**
           * Returns cpu times of an uid at a particular process state.
           */
          public abstract long[] getCpuFreqTimes(int which, int procState);
          /**
           * Returns cpu times of an uid while the screen if off at a particular process state.
           */
          public abstract long[] getScreenOffCpuFreqTimes(int which, int procState);
  
          // Note: the following times are disjoint.  They can be added together to find the
          // total time a uid has had any processes running at all.
  
          /**
           * Time this uid has any processes in the top state.
           */
          public static final int PROCESS_STATE_TOP = 0;
          /**
           * Time this uid has any process with a started foreground service, but
           * none in the "top" state.
           */
          public static final int PROCESS_STATE_FOREGROUND_SERVICE = 1;
          /**
           * Time this uid has any process in an active foreground state, but none in the
           * "foreground service" or better state. Persistent and other foreground states go here.
           */
          public static final int PROCESS_STATE_FOREGROUND = 2;
          /**
           * Time this uid has any process in an active background state, but none in the
           * "foreground" or better state.
           */
          public static final int PROCESS_STATE_BACKGROUND = 3;
          /**
           * Time this uid has any process that is top while the device is sleeping, but not
           * active for any other reason.  We kind-of consider it a kind of cached process
           * for execution restrictions.
           */
          public static final int PROCESS_STATE_TOP_SLEEPING = 4;
          /**
           * Time this uid has any process that is in the background but it has an activity
           * marked as "can't save state".  This is essentially a cached process, though the
           * system will try much harder than normal to avoid killing it.
           */
          public static final int PROCESS_STATE_HEAVY_WEIGHT = 5;
          /**
           * Time this uid has any processes that are sitting around cached, not in one of the
           * other active states.
           */
          public static final int PROCESS_STATE_CACHED = 6;
          /**
           * Total number of process states we track.
           */
          public static final int NUM_PROCESS_STATE = 7;
  
          // Used in dump
          static final String[] PROCESS_STATE_NAMES = {
                  "Top", "Fg Service", "Foreground", "Background", "Top Sleeping", "Heavy Weight",
                  "Cached"
          };
  
          // Used in checkin dump
          @VisibleForTesting
          public static final String[] UID_PROCESS_TYPES = {
                  "T",  // TOP
                  "FS", // FOREGROUND_SERVICE
                  "F",  // FOREGROUND
                  "B",  // BACKGROUND
                  "TS", // TOP_SLEEPING
                  "HW",  // HEAVY_WEIGHT
                  "C"   // CACHED
          };
  
          /**
           * When the process exits one of these states, we need to make sure cpu time in this state
           * is not attributed to any non-critical process states.
           */
          public static final int[] CRITICAL_PROC_STATES = {
                  PROCESS_STATE_TOP,
                  PROCESS_STATE_FOREGROUND_SERVICE_LOCATION,
                  PROCESS_STATE_BOUND_TOP, PROCESS_STATE_FOREGROUND_SERVICE,
                  PROCESS_STATE_FOREGROUND
          };
  
          public abstract long getProcessStateTime(int state, long elapsedRealtimeUs, int which);
          public abstract Timer getProcessStateTimer(int state);
  
          public abstract Timer getVibratorOnTimer();
  
          public static final int NUM_WIFI_BATCHED_SCAN_BINS = 5;
  
          /**
           * Note that these must match the constants in android.os.PowerManager.
           * Also, if the user activity types change, the BatteryStatsImpl.VERSION must
           * also be bumped.
           */
          static final String[] USER_ACTIVITY_TYPES = {
              "other", "button", "touch", "accessibility", "attention"
          };
  
          public static final int NUM_USER_ACTIVITY_TYPES = USER_ACTIVITY_TYPES.length;
  
          public abstract void noteUserActivityLocked(int type);
          public abstract boolean hasUserActivity();
          public abstract int getUserActivityCount(int type, int which);
  
          public abstract boolean hasNetworkActivity();
          @UnsupportedAppUsage
          public abstract long getNetworkActivityBytes(int type, int which);
          public abstract long getNetworkActivityPackets(int type, int which);
          @UnsupportedAppUsage
          public abstract long getMobileRadioActiveTime(int which);
          public abstract int getMobileRadioActiveCount(int which);
  
          /**
           * Get the total cpu time (in microseconds) this UID had processes executing in userspace.
           */
          public abstract long getUserCpuTimeUs(int which);
  
          /**
           * Get the total cpu time (in microseconds) this UID had processes executing kernel syscalls.
           */
          public abstract long getSystemCpuTimeUs(int which);
  
          /**
           * Returns the approximate cpu time (in microseconds) spent at a certain CPU speed for a
           * given CPU cluster.
           * @param cluster the index of the CPU cluster.
           * @param step the index of the CPU speed. This is not the actual speed of the CPU.
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
           * @see com.android.internal.os.PowerProfile#getNumCpuClusters()
           * @see com.android.internal.os.PowerProfile#getNumSpeedStepsInCpuCluster(int)
           */
          public abstract long getTimeAtCpuSpeed(int cluster, int step, int which);
  
          /**
           * Returns the number of times this UID woke up the Application Processor to
           * process a mobile radio packet.
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
           */
          public abstract long getMobileRadioApWakeupCount(int which);
  
          /**
           * Returns the number of times this UID woke up the Application Processor to
           * process a WiFi packet.
           * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
           */
          public abstract long getWifiRadioApWakeupCount(int which);
  
          /**
           * Appends the deferred jobs data to the StringBuilder passed in, in checkin format
           * @param sb StringBuilder that can be overwritten with the deferred jobs data
           * @param which one of STATS_*
           */
          public abstract void getDeferredJobsCheckinLineLocked(StringBuilder sb, int which);
  
          /**
           * Appends the deferred jobs data to the StringBuilder passed in
           * @param sb StringBuilder that can be overwritten with the deferred jobs data
           * @param which one of STATS_*
           */
          public abstract void getDeferredJobsLineLocked(StringBuilder sb, int which);
  
          public static abstract class Sensor {
              /*
               * FIXME: it's not correct to use this magic value because it
               * could clash with a sensor handle (which are defined by
               * the sensor HAL, and therefore out of our control
               */
              // Magic sensor number for the GPS.
              @UnsupportedAppUsage
              public static final int GPS = -10000;
  
              @UnsupportedAppUsage
              public abstract int getHandle();
  
              @UnsupportedAppUsage
              public abstract Timer getSensorTime();
  
              /** Returns a Timer for sensor usage when app is in the background. */
              public abstract Timer getSensorBackgroundTime();
          }
  
          public class Pid {
              public int mWakeNesting;
              public long mWakeSumMs;
              public long mWakeStartMs;
          }
  
          /**
           * The statistics associated with a particular process.
           */
          public static abstract class Proc {
  
              public static class ExcessivePower {
                  public static final int TYPE_WAKE = 1;
                  public static final int TYPE_CPU = 2;
  
                  @UnsupportedAppUsage
                  public int type;
                  @UnsupportedAppUsage
                  public long overTime;
                  @UnsupportedAppUsage
                  public long usedTime;
              }
  
              /**
               * Returns true if this process is still active in the battery stats.
               */
              public abstract boolean isActive();
  
              /**
               * Returns the total time (in milliseconds) spent executing in user code.
               *
               * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
               */
              @UnsupportedAppUsage
              public abstract long getUserTime(int which);
  
              /**
               * Returns the total time (in milliseconds) spent executing in system code.
               *
               * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
               */
              @UnsupportedAppUsage
              public abstract long getSystemTime(int which);
  
              /**
               * Returns the number of times the process has been started.
               *
               * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
               */
              @UnsupportedAppUsage
              public abstract int getStarts(int which);
  
              /**
               * Returns the number of times the process has crashed.
               *
               * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
               */
              public abstract int getNumCrashes(int which);
  
              /**
               * Returns the number of times the process has ANRed.
               *
               * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
               */
              public abstract int getNumAnrs(int which);
  
              /**
               * Returns the cpu time (milliseconds) spent while the process was in the foreground.
               * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
               * @return foreground cpu time in microseconds
               */
              @UnsupportedAppUsage
              public abstract long getForegroundTime(int which);
  
              @UnsupportedAppUsage
              public abstract int countExcessivePowers();
  
              @UnsupportedAppUsage
              public abstract ExcessivePower getExcessivePower(int i);
          }
  
          /**
           * The statistics associated with a particular package.
           */
          public static abstract class Pkg {
  
              /**
               * Returns information about all wakeup alarms that have been triggered for this
               * package.  The mapping keys are tag names for the alarms, the counter contains
               * the number of times the alarm was triggered while on battery.
               */
              @UnsupportedAppUsage
              public abstract ArrayMap<String, ? extends Counter> getWakeupAlarmStats();
  
              /**
               * Returns a mapping containing service statistics.
               */
              @UnsupportedAppUsage
              public abstract ArrayMap<String, ? extends Serv> getServiceStats();
  
              /**
               * The statistics associated with a particular service.
               */
              public static abstract class Serv {
  
                  /**
                   * Returns the amount of time spent started.
                   *
                   * @param batteryUptime elapsed uptime on battery in microseconds.
                   * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
                   * @return
                   */
                  @UnsupportedAppUsage
                  public abstract long getStartTime(long batteryUptime, int which);
  
                  /**
                   * Returns the total number of times startService() has been called.
                   *
                   * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
                   */
                  @UnsupportedAppUsage
                  public abstract int getStarts(int which);
  
                  /**
                   * Returns the total number times the service has been launched.
                   *
                   * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
                   */
                  @UnsupportedAppUsage
                  public abstract int getLaunches(int which);
              }
          }
      }
  
      public static final class LevelStepTracker {
          public long mLastStepTime = -1;
          public int mNumStepDurations;
          public final long[] mStepDurations;
  
          public LevelStepTracker(int maxLevelSteps) {
              mStepDurations = new long[maxLevelSteps];
          }
  
          public LevelStepTracker(int numSteps, long[] steps) {
              mNumStepDurations = numSteps;
              mStepDurations = new long[numSteps];
              System.arraycopy(steps, 0, mStepDurations, 0, numSteps);
          }
  
          public long getDurationAt(int index) {
              return mStepDurations[index] & STEP_LEVEL_TIME_MASK;
          }
  
          public int getLevelAt(int index) {
              return (int)((mStepDurations[index] & STEP_LEVEL_LEVEL_MASK)
                      >> STEP_LEVEL_LEVEL_SHIFT);
          }
  
          public int getInitModeAt(int index) {
              return (int)((mStepDurations[index] & STEP_LEVEL_INITIAL_MODE_MASK)
                      >> STEP_LEVEL_INITIAL_MODE_SHIFT);
          }
  
          public int getModModeAt(int index) {
              return (int)((mStepDurations[index] & STEP_LEVEL_MODIFIED_MODE_MASK)
                      >> STEP_LEVEL_MODIFIED_MODE_SHIFT);
          }
  
          private void appendHex(long val, int topOffset, StringBuilder out) {
              boolean hasData = false;
              while (topOffset >= 0) {
                  int digit = (int)( (val>>topOffset) & 0xf );
                  topOffset -= 4;
                  if (!hasData && digit == 0) {
                      continue;
                  }
                  hasData = true;
                  if (digit >= 0 && digit <= 9) {
                      out.append((char)('0' + digit));
                  } else {
                      out.append((char)('a' + digit - 10));
                  }
              }
          }
  
          public void encodeEntryAt(int index, StringBuilder out) {
              long item = mStepDurations[index];
              long duration = item & STEP_LEVEL_TIME_MASK;
              int level = (int)((item & STEP_LEVEL_LEVEL_MASK)
                      >> STEP_LEVEL_LEVEL_SHIFT);
              int initMode = (int)((item & STEP_LEVEL_INITIAL_MODE_MASK)
                      >> STEP_LEVEL_INITIAL_MODE_SHIFT);
              int modMode = (int)((item & STEP_LEVEL_MODIFIED_MODE_MASK)
                      >> STEP_LEVEL_MODIFIED_MODE_SHIFT);
              switch ((initMode&STEP_LEVEL_MODE_SCREEN_STATE) + 1) {
                  case Display.STATE_OFF: out.append('f'); break;
                  case Display.STATE_ON: out.append('o'); break;
                  case Display.STATE_DOZE: out.append('d'); break;
                  case Display.STATE_DOZE_SUSPEND: out.append('z'); break;
              }
              if ((initMode&STEP_LEVEL_MODE_POWER_SAVE) != 0) {
                  out.append('p');
              }
              if ((initMode&STEP_LEVEL_MODE_DEVICE_IDLE) != 0) {
                  out.append('i');
              }
              switch ((modMode&STEP_LEVEL_MODE_SCREEN_STATE) + 1) {
                  case Display.STATE_OFF: out.append('F'); break;
                  case Display.STATE_ON: out.append('O'); break;
                  case Display.STATE_DOZE: out.append('D'); break;
                  case Display.STATE_DOZE_SUSPEND: out.append('Z'); break;
              }
              if ((modMode&STEP_LEVEL_MODE_POWER_SAVE) != 0) {
                  out.append('P');
              }
              if ((modMode&STEP_LEVEL_MODE_DEVICE_IDLE) != 0) {
                  out.append('I');
              }
              out.append('-');
              appendHex(level, 4, out);
              out.append('-');
              appendHex(duration, STEP_LEVEL_LEVEL_SHIFT-4, out);
          }
  
          public void decodeEntryAt(int index, String value) {
              final int N = value.length();
              int i = 0;
              char c;
              long out = 0;
              while (i < N && (c=value.charAt(i)) != '-') {
                  i++;
                  switch (c) {
                      case 'f': out |= (((long)Display.STATE_OFF-1)<<STEP_LEVEL_INITIAL_MODE_SHIFT);
                          break;
                      case 'o': out |= (((long)Display.STATE_ON-1)<<STEP_LEVEL_INITIAL_MODE_SHIFT);
                          break;
                      case 'd': out |= (((long)Display.STATE_DOZE-1)<<STEP_LEVEL_INITIAL_MODE_SHIFT);
                          break;
                      case 'z': out |= (((long)Display.STATE_DOZE_SUSPEND-1)
                              << STEP_LEVEL_INITIAL_MODE_SHIFT);
                          break;
                      case 'p': out |= (((long)STEP_LEVEL_MODE_POWER_SAVE)
                              << STEP_LEVEL_INITIAL_MODE_SHIFT);
                          break;
                      case 'i': out |= (((long)STEP_LEVEL_MODE_DEVICE_IDLE)
                              << STEP_LEVEL_INITIAL_MODE_SHIFT);
                          break;
                      case 'F': out |= (((long)Display.STATE_OFF-1)<<STEP_LEVEL_MODIFIED_MODE_SHIFT);
                          break;
                      case 'O': out |= (((long)Display.STATE_ON-1)<<STEP_LEVEL_MODIFIED_MODE_SHIFT);
                          break;
                      case 'D': out |= (((long)Display.STATE_DOZE-1)<<STEP_LEVEL_MODIFIED_MODE_SHIFT);
                          break;
                      case 'Z': out |= (((long)Display.STATE_DOZE_SUSPEND-1)
                              << STEP_LEVEL_MODIFIED_MODE_SHIFT);
                          break;
                      case 'P': out |= (((long)STEP_LEVEL_MODE_POWER_SAVE)
                              << STEP_LEVEL_MODIFIED_MODE_SHIFT);
                          break;
                      case 'I': out |= (((long)STEP_LEVEL_MODE_DEVICE_IDLE)
                              << STEP_LEVEL_MODIFIED_MODE_SHIFT);
                          break;
                  }
              }
              i++;
              long level = 0;
              while (i < N && (c=value.charAt(i)) != '-') {
                  i++;
                  level <<= 4;
                  if (c >= '0' && c <= '9') {
                      level += c - '0';
                  } else if (c >= 'a' && c <= 'f') {
                      level += c - 'a' + 10;
                  } else if (c >= 'A' && c <= 'F') {
                      level += c - 'A' + 10;
                  }
              }
              i++;
              out |= (level << STEP_LEVEL_LEVEL_SHIFT) & STEP_LEVEL_LEVEL_MASK;
              long duration = 0;
              while (i < N && (c=value.charAt(i)) != '-') {
                  i++;
                  duration <<= 4;
                  if (c >= '0' && c <= '9') {
                      duration += c - '0';
                  } else if (c >= 'a' && c <= 'f') {
                      duration += c - 'a' + 10;
                  } else if (c >= 'A' && c <= 'F') {
                      duration += c - 'A' + 10;
                  }
              }
              mStepDurations[index] = out | (duration & STEP_LEVEL_TIME_MASK);
          }
  
          public void init() {
              mLastStepTime = -1;
              mNumStepDurations = 0;
          }
  
          public void clearTime() {
              mLastStepTime = -1;
          }
  
          public long computeTimePerLevel() {
              final long[] steps = mStepDurations;
              final int numSteps = mNumStepDurations;
  
              // For now we'll do a simple average across all steps.
              if (numSteps <= 0) {
                  return -1;
              }
              long total = 0;
              for (int i=0; i<numSteps; i++) {
                  total += steps[i] & STEP_LEVEL_TIME_MASK;
              }
              return total / numSteps;
              /*
              long[] buckets = new long[numSteps];
              int numBuckets = 0;
              int numToAverage = 4;
              int i = 0;
              while (i < numSteps) {
                  long totalTime = 0;
                  int num = 0;
                  for (int j=0; j<numToAverage && (i+j)<numSteps; j++) {
                      totalTime += steps[i+j] & STEP_LEVEL_TIME_MASK;
                      num++;
                  }
                  buckets[numBuckets] = totalTime / num;
                  numBuckets++;
                  numToAverage *= 2;
                  i += num;
              }
              if (numBuckets < 1) {
                  return -1;
              }
              long averageTime = buckets[numBuckets-1];
              for (i=numBuckets-2; i>=0; i--) {
                  averageTime = (averageTime + buckets[i]) / 2;
              }
              return averageTime;
              */
          }
  
          public long computeTimeEstimate(long modesOfInterest, long modeValues,
                  int[] outNumOfInterest) {
              final long[] steps = mStepDurations;
              final int count = mNumStepDurations;
              if (count <= 0) {
                  return -1;
              }
              long total = 0;
              int numOfInterest = 0;
              for (int i=0; i<count; i++) {
                  long initMode = (steps[i] & STEP_LEVEL_INITIAL_MODE_MASK)
                          >> STEP_LEVEL_INITIAL_MODE_SHIFT;
                  long modMode = (steps[i] & STEP_LEVEL_MODIFIED_MODE_MASK)
                          >> STEP_LEVEL_MODIFIED_MODE_SHIFT;
                  // If the modes of interest didn't change during this step period...
                  if ((modMode&modesOfInterest) == 0) {
                      // And the mode values during this period match those we are measuring...
                      if ((initMode&modesOfInterest) == modeValues) {
                          // Then this can be used to estimate the total time!
                          numOfInterest++;
                          total += steps[i] & STEP_LEVEL_TIME_MASK;
                      }
                  }
              }
              if (numOfInterest <= 0) {
                  return -1;
              }
  
              if (outNumOfInterest != null) {
                  outNumOfInterest[0] = numOfInterest;
              }
  
              // The estimated time is the average time we spend in each level, multipled
              // by 100 -- the total number of battery levels
              return (total / numOfInterest) * 100;
          }
  
          public void addLevelSteps(int numStepLevels, long modeBits, long elapsedRealtime) {
              int stepCount = mNumStepDurations;
              final long lastStepTime = mLastStepTime;
              if (lastStepTime >= 0 && numStepLevels > 0) {
                  final long[] steps = mStepDurations;
                  long duration = elapsedRealtime - lastStepTime;
                  for (int i=0; i<numStepLevels; i++) {
                      System.arraycopy(steps, 0, steps, 1, steps.length-1);
                      long thisDuration = duration / (numStepLevels-i);
                      duration -= thisDuration;
                      if (thisDuration > STEP_LEVEL_TIME_MASK) {
                          thisDuration = STEP_LEVEL_TIME_MASK;
                      }
                      steps[0] = thisDuration | modeBits;
                  }
                  stepCount += numStepLevels;
                  if (stepCount > steps.length) {
                      stepCount = steps.length;
                  }
              }
              mNumStepDurations = stepCount;
              mLastStepTime = elapsedRealtime;
          }
  
          public void readFromParcel(Parcel in) {
              final int N = in.readInt();
              if (N > mStepDurations.length) {
                  throw new ParcelFormatException("more step durations than available: " + N);
              }
              mNumStepDurations = N;
              for (int i=0; i<N; i++) {
                  mStepDurations[i] = in.readLong();
              }
          }
  
          public void writeToParcel(Parcel out) {
              final int N = mNumStepDurations;
              out.writeInt(N);
              for (int i=0; i<N; i++) {
                  out.writeLong(mStepDurations[i]);
              }
          }
      }
  
      public static final class PackageChange {
          public String mPackageName;
          public boolean mUpdate;
          public long mVersionCode;
      }
  
      public static final class DailyItem {
          public long mStartTime;
          public long mEndTime;
          public LevelStepTracker mDischargeSteps;
          public LevelStepTracker mChargeSteps;
          public ArrayList<PackageChange> mPackageChanges;
      }
  
      public abstract DailyItem getDailyItemLocked(int daysAgo);
  
      public abstract long getCurrentDailyStartTime();
  
      public abstract long getNextMinDailyDeadline();
  
      public abstract long getNextMaxDailyDeadline();
  
      public abstract long[] getCpuFreqs();
  
      public final static class HistoryTag {
          public String string;
          public int uid;
  
          public int poolIdx;
  
          public void setTo(HistoryTag o) {
              string = o.string;
              uid = o.uid;
              poolIdx = o.poolIdx;
          }
  
          public void setTo(String _string, int _uid) {
              string = _string;
              uid = _uid;
              poolIdx = -1;
          }
  
          public void writeToParcel(Parcel dest, int flags) {
              dest.writeString(string);
              dest.writeInt(uid);
          }
  
          public void readFromParcel(Parcel src) {
              string = src.readString();
              uid = src.readInt();
              poolIdx = -1;
          }
  
          @Override
          public boolean equals(Object o) {
              if (this == o) return true;
              if (o == null || getClass() != o.getClass()) return false;
  
              HistoryTag that = (HistoryTag) o;
  
              if (uid != that.uid) return false;
              if (!string.equals(that.string)) return false;
  
              return true;
          }
  
          @Override
          public int hashCode() {
              int result = string.hashCode();
              result = 31 * result + uid;
              return result;
          }
      }
  
      /**
       * Optional detailed information that can go into a history step.  This is typically
       * generated each time the battery level changes.
       */
      public final static class HistoryStepDetails {
          // Time (in 1/100 second) spent in user space and the kernel since the last step.
          public int userTime;
          public int systemTime;
  
          // Top three apps using CPU in the last step, with times in 1/100 second.
          public int appCpuUid1;
          public int appCpuUTime1;
          public int appCpuSTime1;
          public int appCpuUid2;
          public int appCpuUTime2;
          public int appCpuSTime2;
          public int appCpuUid3;
          public int appCpuUTime3;
          public int appCpuSTime3;
  
          // Information from /proc/stat
          public int statUserTime;
          public int statSystemTime;
          public int statIOWaitTime;
          public int statIrqTime;
          public int statSoftIrqTime;
          public int statIdlTime;
  
          // Platform-level low power state stats
          public String statPlatformIdleState;
          public String statSubsystemPowerState;
  
          public HistoryStepDetails() {
              clear();
          }
  
          public void clear() {
              userTime = systemTime = 0;
              appCpuUid1 = appCpuUid2 = appCpuUid3 = -1;
              appCpuUTime1 = appCpuSTime1 = appCpuUTime2 = appCpuSTime2
                      = appCpuUTime3 = appCpuSTime3 = 0;
          }
  
          public void writeToParcel(Parcel out) {
              out.writeInt(userTime);
              out.writeInt(systemTime);
              out.writeInt(appCpuUid1);
              out.writeInt(appCpuUTime1);
              out.writeInt(appCpuSTime1);
              out.writeInt(appCpuUid2);
              out.writeInt(appCpuUTime2);
              out.writeInt(appCpuSTime2);
              out.writeInt(appCpuUid3);
              out.writeInt(appCpuUTime3);
              out.writeInt(appCpuSTime3);
              out.writeInt(statUserTime);
              out.writeInt(statSystemTime);
              out.writeInt(statIOWaitTime);
              out.writeInt(statIrqTime);
              out.writeInt(statSoftIrqTime);
              out.writeInt(statIdlTime);
              out.writeString(statPlatformIdleState);
              out.writeString(statSubsystemPowerState);
          }
  
          public void readFromParcel(Parcel in) {
              userTime = in.readInt();
              systemTime = in.readInt();
              appCpuUid1 = in.readInt();
              appCpuUTime1 = in.readInt();
              appCpuSTime1 = in.readInt();
              appCpuUid2 = in.readInt();
              appCpuUTime2 = in.readInt();
              appCpuSTime2 = in.readInt();
              appCpuUid3 = in.readInt();
              appCpuUTime3 = in.readInt();
              appCpuSTime3 = in.readInt();
              statUserTime = in.readInt();
              statSystemTime = in.readInt();
              statIOWaitTime = in.readInt();
              statIrqTime = in.readInt();
              statSoftIrqTime = in.readInt();
              statIdlTime = in.readInt();
              statPlatformIdleState = in.readString();
              statSubsystemPowerState = in.readString();
          }
      }
  
      public final static class HistoryItem implements Parcelable {
          public HistoryItem next;
  
          // The time of this event in milliseconds, as per SystemClock.elapsedRealtime().
          @UnsupportedAppUsage
          public long time;
  
          @UnsupportedAppUsage
          public static final byte CMD_UPDATE = 0;        // These can be written as deltas
          public static final byte CMD_NULL = -1;
          public static final byte CMD_START = 4;
          public static final byte CMD_CURRENT_TIME = 5;
          public static final byte CMD_OVERFLOW = 6;
          public static final byte CMD_RESET = 7;
          public static final byte CMD_SHUTDOWN = 8;
  
          @UnsupportedAppUsage
          public byte cmd = CMD_NULL;
  
          /**
           * Return whether the command code is a delta data update.
           */
          public boolean isDeltaData() {
              return cmd == CMD_UPDATE;
          }
  
          @UnsupportedAppUsage
          public byte batteryLevel;
          @UnsupportedAppUsage
          public byte batteryStatus;
          @UnsupportedAppUsage
          public byte batteryHealth;
          @UnsupportedAppUsage
          public byte batteryPlugType;
  
          public short batteryTemperature;
          @UnsupportedAppUsage
          public char batteryVoltage;
  
          // The charge of the battery in micro-Ampere-hours.
          public int batteryChargeUAh;
  
          public double modemRailChargeMah;
          public double wifiRailChargeMah;
  
          // Constants from SCREEN_BRIGHTNESS_*
          public static final int STATE_BRIGHTNESS_SHIFT = 0;
          public static final int STATE_BRIGHTNESS_MASK = 0x7;
          // Constants from SIGNAL_STRENGTH_*
          public static final int STATE_PHONE_SIGNAL_STRENGTH_SHIFT = 3;
          public static final int STATE_PHONE_SIGNAL_STRENGTH_MASK = 0x7 << STATE_PHONE_SIGNAL_STRENGTH_SHIFT;
          // Constants from ServiceState.STATE_*
          public static final int STATE_PHONE_STATE_SHIFT = 6;
          public static final int STATE_PHONE_STATE_MASK = 0x7 << STATE_PHONE_STATE_SHIFT;
          // Constants from DATA_CONNECTION_*
          public static final int STATE_DATA_CONNECTION_SHIFT = 9;
          public static final int STATE_DATA_CONNECTION_MASK = 0x1f << STATE_DATA_CONNECTION_SHIFT;
  
          // These states always appear directly in the first int token
          // of a delta change; they should be ones that change relatively
          // frequently.
          public static final int STATE_CPU_RUNNING_FLAG = 1<<31;
          public static final int STATE_WAKE_LOCK_FLAG = 1<<30;
          public static final int STATE_GPS_ON_FLAG = 1<<29;
          public static final int STATE_WIFI_FULL_LOCK_FLAG = 1<<28;
          public static final int STATE_WIFI_SCAN_FLAG = 1<<27;
          public static final int STATE_WIFI_RADIO_ACTIVE_FLAG = 1<<26;
          public static final int STATE_MOBILE_RADIO_ACTIVE_FLAG = 1<<25;
          // Do not use, this is used for coulomb delta count.
          private static final int STATE_RESERVED_0 = 1<<24;
          // These are on the lower bits used for the command; if they change
          // we need to write another int of data.
          public static final int STATE_SENSOR_ON_FLAG = 1<<23;
          public static final int STATE_AUDIO_ON_FLAG = 1<<22;
          public static final int STATE_PHONE_SCANNING_FLAG = 1<<21;
          public static final int STATE_SCREEN_ON_FLAG = 1<<20;       // consider moving to states2
          public static final int STATE_BATTERY_PLUGGED_FLAG = 1<<19; // consider moving to states2
          public static final int STATE_SCREEN_DOZE_FLAG = 1 << 18;
          // empty slot
          public static final int STATE_WIFI_MULTICAST_ON_FLAG = 1<<16;
  
          public static final int MOST_INTERESTING_STATES =
                  STATE_BATTERY_PLUGGED_FLAG | STATE_SCREEN_ON_FLAG | STATE_SCREEN_DOZE_FLAG;
  
          public static final int SETTLE_TO_ZERO_STATES = 0xffff0000 & ~MOST_INTERESTING_STATES;
  
          @UnsupportedAppUsage
          public int states;
  
          // Constants from WIFI_SUPPL_STATE_*
          public static final int STATE2_WIFI_SUPPL_STATE_SHIFT = 0;
          public static final int STATE2_WIFI_SUPPL_STATE_MASK = 0xf;
          // Values for NUM_WIFI_SIGNAL_STRENGTH_BINS
          public static final int STATE2_WIFI_SIGNAL_STRENGTH_SHIFT = 4;
          public static final int STATE2_WIFI_SIGNAL_STRENGTH_MASK =
                  0x7 << STATE2_WIFI_SIGNAL_STRENGTH_SHIFT;
          // Values for NUM_GPS_SIGNAL_QUALITY_LEVELS
          public static final int STATE2_GPS_SIGNAL_QUALITY_SHIFT = 7;
          public static final int STATE2_GPS_SIGNAL_QUALITY_MASK =
              0x1 << STATE2_GPS_SIGNAL_QUALITY_SHIFT;
  
          public static final int STATE2_POWER_SAVE_FLAG = 1<<31;
          public static final int STATE2_VIDEO_ON_FLAG = 1<<30;
          public static final int STATE2_WIFI_RUNNING_FLAG = 1<<29;
          public static final int STATE2_WIFI_ON_FLAG = 1<<28;
          public static final int STATE2_FLASHLIGHT_FLAG = 1<<27;
          public static final int STATE2_DEVICE_IDLE_SHIFT = 25;
          public static final int STATE2_DEVICE_IDLE_MASK = 0x3 << STATE2_DEVICE_IDLE_SHIFT;
          public static final int STATE2_CHARGING_FLAG = 1<<24;
          public static final int STATE2_PHONE_IN_CALL_FLAG = 1<<23;
          public static final int STATE2_BLUETOOTH_ON_FLAG = 1<<22;
          public static final int STATE2_CAMERA_FLAG = 1<<21;
          public static final int STATE2_BLUETOOTH_SCAN_FLAG = 1 << 20;
          public static final int STATE2_CELLULAR_HIGH_TX_POWER_FLAG = 1 << 19;
          public static final int STATE2_USB_DATA_LINK_FLAG = 1 << 18;
  
          public static final int MOST_INTERESTING_STATES2 =
                  STATE2_POWER_SAVE_FLAG | STATE2_WIFI_ON_FLAG | STATE2_DEVICE_IDLE_MASK
                  | STATE2_CHARGING_FLAG | STATE2_PHONE_IN_CALL_FLAG | STATE2_BLUETOOTH_ON_FLAG;
  
          public static final int SETTLE_TO_ZERO_STATES2 = 0xffff0000 & ~MOST_INTERESTING_STATES2;
  
          @UnsupportedAppUsage
          public int states2;
  
          // The wake lock that was acquired at this point.
          public HistoryTag wakelockTag;
  
          // Kernel wakeup reason at this point.
          public HistoryTag wakeReasonTag;
  
          // Non-null when there is more detailed information at this step.
          public HistoryStepDetails stepDetails;
  
          public static final int EVENT_FLAG_START = 0x8000;
          public static final int EVENT_FLAG_FINISH = 0x4000;
  
          // No event in this item.
          public static final int EVENT_NONE = 0x0000;
          // Event is about a process that is running.
          public static final int EVENT_PROC = 0x0001;
          // Event is about an application package that is in the foreground.
          public static final int EVENT_FOREGROUND = 0x0002;
          // Event is about an application package that is at the top of the screen.
          public static final int EVENT_TOP = 0x0003;
          // Event is about active sync operations.
          public static final int EVENT_SYNC = 0x0004;
          // Events for all additional wake locks aquired/release within a wake block.
          // These are not generated by default.
          public static final int EVENT_WAKE_LOCK = 0x0005;
          // Event is about an application executing a scheduled job.
          public static final int EVENT_JOB = 0x0006;
          // Events for users running.
          public static final int EVENT_USER_RUNNING = 0x0007;
          // Events for foreground user.
          public static final int EVENT_USER_FOREGROUND = 0x0008;
          // Event for connectivity changed.
          public static final int EVENT_CONNECTIVITY_CHANGED = 0x0009;
          // Event for becoming active taking us out of idle mode.
          public static final int EVENT_ACTIVE = 0x000a;
          // Event for a package being installed.
          public static final int EVENT_PACKAGE_INSTALLED = 0x000b;
          // Event for a package being uninstalled.
          public static final int EVENT_PACKAGE_UNINSTALLED = 0x000c;
          // Event for a package being uninstalled.
          public static final int EVENT_ALARM = 0x000d;
          // Record that we have decided we need to collect new stats data.
          public static final int EVENT_COLLECT_EXTERNAL_STATS = 0x000e;
          // Event for a package becoming inactive due to being unused for a period of time.
          public static final int EVENT_PACKAGE_INACTIVE = 0x000f;
          // Event for a package becoming active due to an interaction.
          public static final int EVENT_PACKAGE_ACTIVE = 0x0010;
          // Event for a package being on the temporary whitelist.
          public static final int EVENT_TEMP_WHITELIST = 0x0011;
          // Event for the screen waking up.
          public static final int EVENT_SCREEN_WAKE_UP = 0x0012;
          // Event for the UID that woke up the application processor.
          // Used for wakeups coming from WiFi, modem, etc.
          public static final int EVENT_WAKEUP_AP = 0x0013;
          // Event for reporting that a specific partial wake lock has been held for a long duration.
          public static final int EVENT_LONG_WAKE_LOCK = 0x0014;
  
          // Number of event types.
          public static final int EVENT_COUNT = 0x0016;
          // Mask to extract out only the type part of the event.
          public static final int EVENT_TYPE_MASK = ~(EVENT_FLAG_START|EVENT_FLAG_FINISH);
  
          public static final int EVENT_PROC_START = EVENT_PROC | EVENT_FLAG_START;
          public static final int EVENT_PROC_FINISH = EVENT_PROC | EVENT_FLAG_FINISH;
          public static final int EVENT_FOREGROUND_START = EVENT_FOREGROUND | EVENT_FLAG_START;
          public static final int EVENT_FOREGROUND_FINISH = EVENT_FOREGROUND | EVENT_FLAG_FINISH;
          public static final int EVENT_TOP_START = EVENT_TOP | EVENT_FLAG_START;
          public static final int EVENT_TOP_FINISH = EVENT_TOP | EVENT_FLAG_FINISH;
          public static final int EVENT_SYNC_START = EVENT_SYNC | EVENT_FLAG_START;
          public static final int EVENT_SYNC_FINISH = EVENT_SYNC | EVENT_FLAG_FINISH;
          public static final int EVENT_WAKE_LOCK_START = EVENT_WAKE_LOCK | EVENT_FLAG_START;
          public static final int EVENT_WAKE_LOCK_FINISH = EVENT_WAKE_LOCK | EVENT_FLAG_FINISH;
          public static final int EVENT_JOB_START = EVENT_JOB | EVENT_FLAG_START;
          public static final int EVENT_JOB_FINISH = EVENT_JOB | EVENT_FLAG_FINISH;
          public static final int EVENT_USER_RUNNING_START = EVENT_USER_RUNNING | EVENT_FLAG_START;
          public static final int EVENT_USER_RUNNING_FINISH = EVENT_USER_RUNNING | EVENT_FLAG_FINISH;
          public static final int EVENT_USER_FOREGROUND_START =
                  EVENT_USER_FOREGROUND | EVENT_FLAG_START;
          public static final int EVENT_USER_FOREGROUND_FINISH =
                  EVENT_USER_FOREGROUND | EVENT_FLAG_FINISH;
          public static final int EVENT_ALARM_START = EVENT_ALARM | EVENT_FLAG_START;
          public static final int EVENT_ALARM_FINISH = EVENT_ALARM | EVENT_FLAG_FINISH;
          public static final int EVENT_TEMP_WHITELIST_START =
                  EVENT_TEMP_WHITELIST | EVENT_FLAG_START;
          public static final int EVENT_TEMP_WHITELIST_FINISH =
                  EVENT_TEMP_WHITELIST | EVENT_FLAG_FINISH;
          public static final int EVENT_LONG_WAKE_LOCK_START =
                  EVENT_LONG_WAKE_LOCK | EVENT_FLAG_START;
          public static final int EVENT_LONG_WAKE_LOCK_FINISH =
                  EVENT_LONG_WAKE_LOCK | EVENT_FLAG_FINISH;
  
          // For CMD_EVENT.
          public int eventCode;
          public HistoryTag eventTag;
  
          // Only set for CMD_CURRENT_TIME or CMD_RESET, as per System.currentTimeMillis().
          public long currentTime;
  
          // Meta-data when reading.
          public int numReadInts;
  
          // Pre-allocated objects.
          public final HistoryTag localWakelockTag = new HistoryTag();
          public final HistoryTag localWakeReasonTag = new HistoryTag();
          public final HistoryTag localEventTag = new HistoryTag();
  
          @UnsupportedAppUsage
          public HistoryItem() {
          }
  
          public HistoryItem(long time, Parcel src) {
              this.time = time;
              numReadInts = 2;
              readFromParcel(src);
          }
  
          public int describeContents() {
              return 0;
          }
  
          public void writeToParcel(Parcel dest, int flags) {
              dest.writeLong(time);
              int bat = (((int)cmd)&0xff)
                      | ((((int)batteryLevel)<<8)&0xff00)
                      | ((((int)batteryStatus)<<16)&0xf0000)
                      | ((((int)batteryHealth)<<20)&0xf00000)
                      | ((((int)batteryPlugType)<<24)&0xf000000)
                      | (wakelockTag != null ? 0x10000000 : 0)
                      | (wakeReasonTag != null ? 0x20000000 : 0)
                      | (eventCode != EVENT_NONE ? 0x40000000 : 0);
              dest.writeInt(bat);
              bat = (((int)batteryTemperature)&0xffff)
                      | ((((int)batteryVoltage)<<16)&0xffff0000);
              dest.writeInt(bat);
              dest.writeInt(batteryChargeUAh);
              dest.writeDouble(modemRailChargeMah);
              dest.writeDouble(wifiRailChargeMah);
              dest.writeInt(states);
              dest.writeInt(states2);
              if (wakelockTag != null) {
                  wakelockTag.writeToParcel(dest, flags);
              }
              if (wakeReasonTag != null) {
                  wakeReasonTag.writeToParcel(dest, flags);
              }
              if (eventCode != EVENT_NONE) {
                  dest.writeInt(eventCode);
                  eventTag.writeToParcel(dest, flags);
              }
              if (cmd == CMD_CURRENT_TIME || cmd == CMD_RESET) {
                  dest.writeLong(currentTime);
              }
          }
  
          public void readFromParcel(Parcel src) {
              int start = src.dataPosition();
              int bat = src.readInt();
              cmd = (byte)(bat&0xff);
              batteryLevel = (byte)((bat>>8)&0xff);
              batteryStatus = (byte)((bat>>16)&0xf);
              batteryHealth = (byte)((bat>>20)&0xf);
              batteryPlugType = (byte)((bat>>24)&0xf);
              int bat2 = src.readInt();
              batteryTemperature = (short)(bat2&0xffff);
              batteryVoltage = (char)((bat2>>16)&0xffff);
              batteryChargeUAh = src.readInt();
              modemRailChargeMah = src.readDouble();
              wifiRailChargeMah = src.readDouble();
              states = src.readInt();
              states2 = src.readInt();
              if ((bat&0x10000000) != 0) {
                  wakelockTag = localWakelockTag;
                  wakelockTag.readFromParcel(src);
              } else {
                  wakelockTag = null;
              }
              if ((bat&0x20000000) != 0) {
                  wakeReasonTag = localWakeReasonTag;
                  wakeReasonTag.readFromParcel(src);
              } else {
                  wakeReasonTag = null;
              }
              if ((bat&0x40000000) != 0) {
                  eventCode = src.readInt();
                  eventTag = localEventTag;
                  eventTag.readFromParcel(src);
              } else {
                  eventCode = EVENT_NONE;
                  eventTag = null;
              }
              if (cmd == CMD_CURRENT_TIME || cmd == CMD_RESET) {
                  currentTime = src.readLong();
              } else {
                  currentTime = 0;
              }
              numReadInts += (src.dataPosition()-start)/4;
          }
  
          public void clear() {
              time = 0;
              cmd = CMD_NULL;
              batteryLevel = 0;
              batteryStatus = 0;
              batteryHealth = 0;
              batteryPlugType = 0;
              batteryTemperature = 0;
              batteryVoltage = 0;
              batteryChargeUAh = 0;
              modemRailChargeMah = 0;
              wifiRailChargeMah = 0;
              states = 0;
              states2 = 0;
              wakelockTag = null;
              wakeReasonTag = null;
              eventCode = EVENT_NONE;
              eventTag = null;
          }
  
          public void setTo(HistoryItem o) {
              time = o.time;
              cmd = o.cmd;
              setToCommon(o);
          }
  
          public void setTo(long time, byte cmd, HistoryItem o) {
              this.time = time;
              this.cmd = cmd;
              setToCommon(o);
          }
  
          private void setToCommon(HistoryItem o) {
              batteryLevel = o.batteryLevel;
              batteryStatus = o.batteryStatus;
              batteryHealth = o.batteryHealth;
              batteryPlugType = o.batteryPlugType;
              batteryTemperature = o.batteryTemperature;
              batteryVoltage = o.batteryVoltage;
              batteryChargeUAh = o.batteryChargeUAh;
              modemRailChargeMah = o.modemRailChargeMah;
              wifiRailChargeMah = o.wifiRailChargeMah;
              states = o.states;
              states2 = o.states2;
              if (o.wakelockTag != null) {
                  wakelockTag = localWakelockTag;
                  wakelockTag.setTo(o.wakelockTag);
              } else {
                  wakelockTag = null;
              }
              if (o.wakeReasonTag != null) {
                  wakeReasonTag = localWakeReasonTag;
                  wakeReasonTag.setTo(o.wakeReasonTag);
              } else {
                  wakeReasonTag = null;
              }
              eventCode = o.eventCode;
              if (o.eventTag != null) {
                  eventTag = localEventTag;
                  eventTag.setTo(o.eventTag);
              } else {
                  eventTag = null;
              }
              currentTime = o.currentTime;
          }
  
          public boolean sameNonEvent(HistoryItem o) {
              return batteryLevel == o.batteryLevel
                      && batteryStatus == o.batteryStatus
                      && batteryHealth == o.batteryHealth
                      && batteryPlugType == o.batteryPlugType
                      && batteryTemperature == o.batteryTemperature
                      && batteryVoltage == o.batteryVoltage
                      && batteryChargeUAh == o.batteryChargeUAh
                      && modemRailChargeMah == o.modemRailChargeMah
                      && wifiRailChargeMah == o.wifiRailChargeMah
                      && states == o.states
                      && states2 == o.states2
                      && currentTime == o.currentTime;
          }
  
          public boolean same(HistoryItem o) {
              if (!sameNonEvent(o) || eventCode != o.eventCode) {
                  return false;
              }
              if (wakelockTag != o.wakelockTag) {
                  if (wakelockTag == null || o.wakelockTag == null) {
                      return false;
                  }
                  if (!wakelockTag.equals(o.wakelockTag)) {
                      return false;
                  }
              }
              if (wakeReasonTag != o.wakeReasonTag) {
                  if (wakeReasonTag == null || o.wakeReasonTag == null) {
                      return false;
                  }
                  if (!wakeReasonTag.equals(o.wakeReasonTag)) {
                      return false;
                  }
              }
              if (eventTag != o.eventTag) {
                  if (eventTag == null || o.eventTag == null) {
                      return false;
                  }
                  if (!eventTag.equals(o.eventTag)) {
                      return false;
                  }
              }
              return true;
          }
      }
  
      public final static class HistoryEventTracker {
          private final HashMap<String, SparseIntArray>[] mActiveEvents
                  = (HashMap<String, SparseIntArray>[]) new HashMap[HistoryItem.EVENT_COUNT];
  
          public boolean updateState(int code, String name, int uid, int poolIdx) {
              if ((code&HistoryItem.EVENT_FLAG_START) != 0) {
                  int idx = code&HistoryItem.EVENT_TYPE_MASK;
                  HashMap<String, SparseIntArray> active = mActiveEvents[idx];
                  if (active == null) {
                      active = new HashMap<>();
                      mActiveEvents[idx] = active;
                  }
                  SparseIntArray uids = active.get(name);
                  if (uids == null) {
                      uids = new SparseIntArray();
                      active.put(name, uids);
                  }
                  if (uids.indexOfKey(uid) >= 0) {
                      // Already set, nothing to do!
                      return false;
                  }
                  uids.put(uid, poolIdx);
              } else if ((code&HistoryItem.EVENT_FLAG_FINISH) != 0) {
                  int idx = code&HistoryItem.EVENT_TYPE_MASK;
                  HashMap<String, SparseIntArray> active = mActiveEvents[idx];
                  if (active == null) {
                      // not currently active, nothing to do.
                      return false;
                  }
                  SparseIntArray uids = active.get(name);
                  if (uids == null) {
                      // not currently active, nothing to do.
                      return false;
                  }
                  idx = uids.indexOfKey(uid);
                  if (idx < 0) {
                      // not currently active, nothing to do.
                      return false;
                  }
                  uids.removeAt(idx);
                  if (uids.size() <= 0) {
                      active.remove(name);
                  }
              }
              return true;
          }
  
          public void removeEvents(int code) {
              int idx = code&HistoryItem.EVENT_TYPE_MASK;
              mActiveEvents[idx] = null;
          }
  
          public HashMap<String, SparseIntArray> getStateForEvent(int code) {
              return mActiveEvents[code];
          }
      }
  
      public static final class BitDescription {
          public final int mask;
          public final int shift;
          public final String name;
          public final String shortName;
          public final String[] values;
          public final String[] shortValues;
  
          public BitDescription(int mask, String name, String shortName) {
              this.mask = mask;
              this.shift = -1;
              this.name = name;
              this.shortName = shortName;
              this.values = null;
              this.shortValues = null;
          }
  
          public BitDescription(int mask, int shift, String name, String shortName,
                  String[] values, String[] shortValues) {
              this.mask = mask;
              this.shift = shift;
              this.name = name;
              this.shortName = shortName;
              this.values = values;
              this.shortValues = shortValues;
          }
      }
  
      /**
       * Don't allow any more batching in to the current history event.  This
       * is called when printing partial histories, so to ensure that the next
       * history event will go in to a new batch after what was printed in the
       * last partial history.
       */
      public abstract void commitCurrentHistoryBatchLocked();
  
      public abstract int getHistoryTotalSize();
  
      public abstract int getHistoryUsedSize();
  
      @UnsupportedAppUsage
      public abstract boolean startIteratingHistoryLocked();
  
      public abstract int getHistoryStringPoolSize();
  
      public abstract int getHistoryStringPoolBytes();
  
      public abstract String getHistoryTagPoolString(int index);
  
      public abstract int getHistoryTagPoolUid(int index);
  
      @UnsupportedAppUsage
      public abstract boolean getNextHistoryLocked(HistoryItem out);
  
      public abstract void finishIteratingHistoryLocked();
  
      public abstract boolean startIteratingOldHistoryLocked();
  
      public abstract boolean getNextOldHistoryLocked(HistoryItem out);
  
      public abstract void finishIteratingOldHistoryLocked();
  
      /**
       * Return the base time offset for the battery history.
       */
      public abstract long getHistoryBaseTime();
  
      /**
       * Returns the number of times the device has been started.
       */
      public abstract int getStartCount();
  
      /**
       * Returns the time in microseconds that the screen has been on while the device was
       * running on battery.
       *
       * {@hide}
       */
      @UnsupportedAppUsage
      public abstract long getScreenOnTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times the screen was turned on.
       *
       * {@hide}
       */
      public abstract int getScreenOnCount(int which);
  
      /**
       * Returns the time in microseconds that the screen has been dozing while the device was
       * running on battery.
       *
       * {@hide}
       */
      public abstract long getScreenDozeTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times the screen was turned dozing.
       *
       * {@hide}
       */
      public abstract int getScreenDozeCount(int which);
  
      public abstract long getInteractiveTime(long elapsedRealtimeUs, int which);
  
      public static final int SCREEN_BRIGHTNESS_DARK = 0;
      public static final int SCREEN_BRIGHTNESS_DIM = 1;
      public static final int SCREEN_BRIGHTNESS_MEDIUM = 2;
      public static final int SCREEN_BRIGHTNESS_LIGHT = 3;
      public static final int SCREEN_BRIGHTNESS_BRIGHT = 4;
  
      static final String[] SCREEN_BRIGHTNESS_NAMES = {
          "dark", "dim", "medium", "light", "bright"
      };
  
      static final String[] SCREEN_BRIGHTNESS_SHORT_NAMES = {
          "0", "1", "2", "3", "4"
      };
  
      @UnsupportedAppUsage
      public static final int NUM_SCREEN_BRIGHTNESS_BINS = 5;
  
      /**
       * Returns the time in microseconds that the screen has been on with
       * the given brightness
       *
       * {@hide}
       */
      @UnsupportedAppUsage
      public abstract long getScreenBrightnessTime(int brightnessBin,
              long elapsedRealtimeUs, int which);
  
      /**
       * Returns the {@link Timer} object that tracks the given screen brightness.
       *
       * {@hide}
       */
      public abstract Timer getScreenBrightnessTimer(int brightnessBin);
  
      /**
       * Returns the time in microseconds that power save mode has been enabled while the device was
       * running on battery.
       *
       * {@hide}
       */
      public abstract long getPowerSaveModeEnabledTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times that power save mode was enabled.
       *
       * {@hide}
       */
      public abstract int getPowerSaveModeEnabledCount(int which);
  
      /**
       * Constant for device idle mode: not active.
       */
      public static final int DEVICE_IDLE_MODE_OFF = ServerProtoEnums.DEVICE_IDLE_MODE_OFF; // 0
  
      /**
       * Constant for device idle mode: active in lightweight mode.
       */
      public static final int DEVICE_IDLE_MODE_LIGHT = ServerProtoEnums.DEVICE_IDLE_MODE_LIGHT; // 1
  
      /**
       * Constant for device idle mode: active in full mode.
       */
      public static final int DEVICE_IDLE_MODE_DEEP = ServerProtoEnums.DEVICE_IDLE_MODE_DEEP; // 2
  
      /**
       * Returns the time in microseconds that device has been in idle mode while
       * running on battery.
       *
       * {@hide}
       */
      public abstract long getDeviceIdleModeTime(int mode, long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times that the devie has gone in to idle mode.
       *
       * {@hide}
       */
      public abstract int getDeviceIdleModeCount(int mode, int which);
  
      /**
       * Return the longest duration we spent in a particular device idle mode (fully in the
       * mode, not in idle maintenance etc).
       */
      public abstract long getLongestDeviceIdleModeTime(int mode);
  
      /**
       * Returns the time in microseconds that device has been in idling while on
       * battery.  This is broader than {@link #getDeviceIdleModeTime} -- it
       * counts all of the time that we consider the device to be idle, whether or not
       * it is currently in the actual device idle mode.
       *
       * {@hide}
       */
      public abstract long getDeviceIdlingTime(int mode, long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times that the device has started idling.
       *
       * {@hide}
       */
      public abstract int getDeviceIdlingCount(int mode, int which);
  
      /**
       * Returns the number of times that connectivity state changed.
       *
       * {@hide}
       */
      public abstract int getNumConnectivityChange(int which);
  
  
      /**
       * Returns the time in microseconds that the phone has been running with
       * the given GPS signal quality level
       *
       * {@hide}
       */
      public abstract long getGpsSignalQualityTime(int strengthBin,
          long elapsedRealtimeUs, int which);
  
      /**
       * Returns the GPS battery drain in mA-ms
       *
       * {@hide}
       */
      public abstract long getGpsBatteryDrainMaMs();
  
      /**
       * Returns the time in microseconds that the phone has been on while the device was
       * running on battery.
       *
       * {@hide}
       */
      @UnsupportedAppUsage
      public abstract long getPhoneOnTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times a phone call was activated.
       *
       * {@hide}
       */
      public abstract int getPhoneOnCount(int which);
  
      /**
       * Returns the time in microseconds that the phone has been running with
       * the given signal strength.
       *
       * {@hide}
       */
      @UnsupportedAppUsage
      public abstract long getPhoneSignalStrengthTime(int strengthBin,
              long elapsedRealtimeUs, int which);
  
      /**
       * Returns the time in microseconds that the phone has been trying to
       * acquire a signal.
       *
       * {@hide}
       */
      public abstract long getPhoneSignalScanningTime(
              long elapsedRealtimeUs, int which);
  
      /**
       * Returns the {@link Timer} object that tracks how much the phone has been trying to
       * acquire a signal.
       *
       * {@hide}
       */
      public abstract Timer getPhoneSignalScanningTimer();
  
      /**
       * Returns the number of times the phone has entered the given signal strength.
       *
       * {@hide}
       */
      public abstract int getPhoneSignalStrengthCount(int strengthBin, int which);
  
      /**
       * Return the {@link Timer} object used to track the given signal strength's duration and
       * counts.
       */
      protected abstract Timer getPhoneSignalStrengthTimer(int strengthBin);
  
      /**
       * Returns the time in microseconds that the mobile network has been active
       * (in a high power state).
       *
       * {@hide}
       */
      public abstract long getMobileRadioActiveTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times that the mobile network has transitioned to the
       * active state.
       *
       * {@hide}
       */
      public abstract int getMobileRadioActiveCount(int which);
  
      /**
       * Returns the time in microseconds that is the difference between the mobile radio
       * time we saw based on the elapsed timestamp when going down vs. the given time stamp
       * from the radio.
       *
       * {@hide}
       */
      public abstract long getMobileRadioActiveAdjustedTime(int which);
  
      /**
       * Returns the time in microseconds that the mobile network has been active
       * (in a high power state) but not being able to blame on an app.
       *
       * {@hide}
       */
      public abstract long getMobileRadioActiveUnknownTime(int which);
  
      /**
       * Return count of number of times radio was up that could not be blamed on apps.
       *
       * {@hide}
       */
      public abstract int getMobileRadioActiveUnknownCount(int which);
  
      public static final int DATA_CONNECTION_OUT_OF_SERVICE = 0;
      public static final int DATA_CONNECTION_EMERGENCY_SERVICE =
              TelephonyManager.MAX_NETWORK_TYPE + 1;
      public static final int DATA_CONNECTION_OTHER = DATA_CONNECTION_EMERGENCY_SERVICE + 1;
  
  
      static final String[] DATA_CONNECTION_NAMES = {
          "oos", "gprs", "edge", "umts", "cdma", "evdo_0", "evdo_A",
          "1xrtt", "hsdpa", "hsupa", "hspa", "iden", "evdo_b", "lte",
          "ehrpd", "hspap", "gsm", "td_scdma", "iwlan", "lte_ca", "nr",
          "emngcy", "other"
      };
  
      @UnsupportedAppUsage
      public static final int NUM_DATA_CONNECTION_TYPES = DATA_CONNECTION_OTHER + 1;
  
      /**
       * Returns the time in microseconds that the phone has been running with
       * the given data connection.
       *
       * {@hide}
       */
      public abstract long getPhoneDataConnectionTime(int dataType,
              long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times the phone has entered the given data
       * connection type.
       *
       * {@hide}
       */
      public abstract int getPhoneDataConnectionCount(int dataType, int which);
  
      /**
       * Returns the {@link Timer} object that tracks the phone's data connection type stats.
       */
      public abstract Timer getPhoneDataConnectionTimer(int dataType);
  
      public static final int WIFI_SUPPL_STATE_INVALID = 0;
      public static final int WIFI_SUPPL_STATE_DISCONNECTED = 1;
      public static final int WIFI_SUPPL_STATE_INTERFACE_DISABLED = 2;
      public static final int WIFI_SUPPL_STATE_INACTIVE = 3;
      public static final int WIFI_SUPPL_STATE_SCANNING = 4;
      public static final int WIFI_SUPPL_STATE_AUTHENTICATING = 5;
      public static final int WIFI_SUPPL_STATE_ASSOCIATING = 6;
      public static final int WIFI_SUPPL_STATE_ASSOCIATED = 7;
      public static final int WIFI_SUPPL_STATE_FOUR_WAY_HANDSHAKE = 8;
      public static final int WIFI_SUPPL_STATE_GROUP_HANDSHAKE = 9;
      public static final int WIFI_SUPPL_STATE_COMPLETED = 10;
      public static final int WIFI_SUPPL_STATE_DORMANT = 11;
      public static final int WIFI_SUPPL_STATE_UNINITIALIZED = 12;
  
      public static final int NUM_WIFI_SUPPL_STATES = WIFI_SUPPL_STATE_UNINITIALIZED+1;
  
      static final String[] WIFI_SUPPL_STATE_NAMES = {
          "invalid", "disconn", "disabled", "inactive", "scanning",
          "authenticating", "associating", "associated", "4-way-handshake",
          "group-handshake", "completed", "dormant", "uninit"
      };
  
      static final String[] WIFI_SUPPL_STATE_SHORT_NAMES = {
          "inv", "dsc", "dis", "inact", "scan",
          "auth", "ascing", "asced", "4-way",
          "group", "compl", "dorm", "uninit"
      };
  
      public static final BitDescription[] HISTORY_STATE_DESCRIPTIONS = new BitDescription[] {
          new BitDescription(HistoryItem.STATE_CPU_RUNNING_FLAG, "running", "r"),
          new BitDescription(HistoryItem.STATE_WAKE_LOCK_FLAG, "wake_lock", "w"),
          new BitDescription(HistoryItem.STATE_SENSOR_ON_FLAG, "sensor", "s"),
          new BitDescription(HistoryItem.STATE_GPS_ON_FLAG, "gps", "g"),
          new BitDescription(HistoryItem.STATE_WIFI_FULL_LOCK_FLAG, "wifi_full_lock", "Wl"),
          new BitDescription(HistoryItem.STATE_WIFI_SCAN_FLAG, "wifi_scan", "Ws"),
          new BitDescription(HistoryItem.STATE_WIFI_MULTICAST_ON_FLAG, "wifi_multicast", "Wm"),
          new BitDescription(HistoryItem.STATE_WIFI_RADIO_ACTIVE_FLAG, "wifi_radio", "Wr"),
          new BitDescription(HistoryItem.STATE_MOBILE_RADIO_ACTIVE_FLAG, "mobile_radio", "Pr"),
          new BitDescription(HistoryItem.STATE_PHONE_SCANNING_FLAG, "phone_scanning", "Psc"),
          new BitDescription(HistoryItem.STATE_AUDIO_ON_FLAG, "audio", "a"),
          new BitDescription(HistoryItem.STATE_SCREEN_ON_FLAG, "screen", "S"),
          new BitDescription(HistoryItem.STATE_BATTERY_PLUGGED_FLAG, "plugged", "BP"),
          new BitDescription(HistoryItem.STATE_SCREEN_DOZE_FLAG, "screen_doze", "Sd"),
          new BitDescription(HistoryItem.STATE_DATA_CONNECTION_MASK,
                  HistoryItem.STATE_DATA_CONNECTION_SHIFT, "data_conn", "Pcn",
                  DATA_CONNECTION_NAMES, DATA_CONNECTION_NAMES),
          new BitDescription(HistoryItem.STATE_PHONE_STATE_MASK,
                  HistoryItem.STATE_PHONE_STATE_SHIFT, "phone_state", "Pst",
                  new String[] {"in", "out", "emergency", "off"},
                  new String[] {"in", "out", "em", "off"}),
          new BitDescription(HistoryItem.STATE_PHONE_SIGNAL_STRENGTH_MASK,
                  HistoryItem.STATE_PHONE_SIGNAL_STRENGTH_SHIFT, "phone_signal_strength", "Pss",
                  SignalStrength.SIGNAL_STRENGTH_NAMES,
                  new String[] { "0", "1", "2", "3", "4" }),
          new BitDescription(HistoryItem.STATE_BRIGHTNESS_MASK,
                  HistoryItem.STATE_BRIGHTNESS_SHIFT, "brightness", "Sb",
                  SCREEN_BRIGHTNESS_NAMES, SCREEN_BRIGHTNESS_SHORT_NAMES),
      };
  
      public static final BitDescription[] HISTORY_STATE2_DESCRIPTIONS = new BitDescription[] {
          new BitDescription(HistoryItem.STATE2_POWER_SAVE_FLAG, "power_save", "ps"),
          new BitDescription(HistoryItem.STATE2_VIDEO_ON_FLAG, "video", "v"),
          new BitDescription(HistoryItem.STATE2_WIFI_RUNNING_FLAG, "wifi_running", "Ww"),
          new BitDescription(HistoryItem.STATE2_WIFI_ON_FLAG, "wifi", "W"),
          new BitDescription(HistoryItem.STATE2_FLASHLIGHT_FLAG, "flashlight", "fl"),
          new BitDescription(HistoryItem.STATE2_DEVICE_IDLE_MASK,
                  HistoryItem.STATE2_DEVICE_IDLE_SHIFT, "device_idle", "di",
                  new String[] { "off", "light", "full", "???" },
                  new String[] { "off", "light", "full", "???" }),
          new BitDescription(HistoryItem.STATE2_CHARGING_FLAG, "charging", "ch"),
          new BitDescription(HistoryItem.STATE2_USB_DATA_LINK_FLAG, "usb_data", "Ud"),
          new BitDescription(HistoryItem.STATE2_PHONE_IN_CALL_FLAG, "phone_in_call", "Pcl"),
          new BitDescription(HistoryItem.STATE2_BLUETOOTH_ON_FLAG, "bluetooth", "b"),
          new BitDescription(HistoryItem.STATE2_WIFI_SIGNAL_STRENGTH_MASK,
                  HistoryItem.STATE2_WIFI_SIGNAL_STRENGTH_SHIFT, "wifi_signal_strength", "Wss",
                  new String[] { "0", "1", "2", "3", "4" },
                  new String[] { "0", "1", "2", "3", "4" }),
          new BitDescription(HistoryItem.STATE2_WIFI_SUPPL_STATE_MASK,
                  HistoryItem.STATE2_WIFI_SUPPL_STATE_SHIFT, "wifi_suppl", "Wsp",
                  WIFI_SUPPL_STATE_NAMES, WIFI_SUPPL_STATE_SHORT_NAMES),
          new BitDescription(HistoryItem.STATE2_CAMERA_FLAG, "camera", "ca"),
          new BitDescription(HistoryItem.STATE2_BLUETOOTH_SCAN_FLAG, "ble_scan", "bles"),
          new BitDescription(HistoryItem.STATE2_CELLULAR_HIGH_TX_POWER_FLAG,
                  "cellular_high_tx_power", "Chtp"),
          new BitDescription(HistoryItem.STATE2_GPS_SIGNAL_QUALITY_MASK,
              HistoryItem.STATE2_GPS_SIGNAL_QUALITY_SHIFT, "gps_signal_quality", "Gss",
              new String[] { "poor", "good"}, new String[] { "poor", "good"})
      };
  
      public static final String[] HISTORY_EVENT_NAMES = new String[] {
              "null", "proc", "fg", "top", "sync", "wake_lock_in", "job", "user", "userfg", "conn",
              "active", "pkginst", "pkgunin", "alarm", "stats", "pkginactive", "pkgactive",
              "tmpwhitelist", "screenwake", "wakeupap", "longwake", "est_capacity"
      };
  
      public static final String[] HISTORY_EVENT_CHECKIN_NAMES = new String[] {
              "Enl", "Epr", "Efg", "Etp", "Esy", "Ewl", "Ejb", "Eur", "Euf", "Ecn",
              "Eac", "Epi", "Epu", "Eal", "Est", "Eai", "Eaa", "Etw",
              "Esw", "Ewa", "Elw", "Eec"
      };
  
      @FunctionalInterface
      public interface IntToString {
          String applyAsString(int val);
      }
  
      private static final IntToString sUidToString = UserHandle::formatUid;
      private static final IntToString sIntToString = Integer::toString;
  
      public static final IntToString[] HISTORY_EVENT_INT_FORMATTERS = new IntToString[] {
              sUidToString, sUidToString, sUidToString, sUidToString, sUidToString, sUidToString,
              sUidToString, sUidToString, sUidToString, sUidToString, sUidToString, sIntToString,
              sUidToString, sUidToString, sUidToString, sUidToString, sUidToString, sUidToString,
              sUidToString, sUidToString, sUidToString, sIntToString
      };
  
      /**
       * Returns total time for WiFi Multicast Wakelock timer.
       * Note that this may be different from the sum of per uid timer values.
       *
       *  {@hide}
       */
      public abstract long getWifiMulticastWakelockTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns total time for WiFi Multicast Wakelock timer
       * Note that this may be different from the sum of per uid timer values.
       *
       * {@hide}
       */
      public abstract int getWifiMulticastWakelockCount(int which);
  
      /**
       * Returns the time in microseconds that wifi has been on while the device was
       * running on battery.
       *
       * {@hide}
       */
      @UnsupportedAppUsage
      public abstract long getWifiOnTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the time in microseconds that wifi has been active while the device was
       * running on battery.
       *
       * {@hide}
       */
      public abstract long getWifiActiveTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the time in microseconds that wifi has been on and the driver has
       * been in the running state while the device was running on battery.
       *
       * {@hide}
       */
      @UnsupportedAppUsage
      public abstract long getGlobalWifiRunningTime(long elapsedRealtimeUs, int which);
  
      public static final int WIFI_STATE_OFF = 0;
      public static final int WIFI_STATE_OFF_SCANNING = 1;
      public static final int WIFI_STATE_ON_NO_NETWORKS = 2;
      public static final int WIFI_STATE_ON_DISCONNECTED = 3;
      public static final int WIFI_STATE_ON_CONNECTED_STA = 4;
      public static final int WIFI_STATE_ON_CONNECTED_P2P = 5;
      public static final int WIFI_STATE_ON_CONNECTED_STA_P2P = 6;
      public static final int WIFI_STATE_SOFT_AP = 7;
  
      static final String[] WIFI_STATE_NAMES = {
          "off", "scanning", "no_net", "disconn",
          "sta", "p2p", "sta_p2p", "soft_ap"
      };
  
      public static final int NUM_WIFI_STATES = WIFI_STATE_SOFT_AP+1;
  
      /**
       * Returns the time in microseconds that WiFi has been running in the given state.
       *
       * {@hide}
       */
      public abstract long getWifiStateTime(int wifiState,
              long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times that WiFi has entered the given state.
       *
       * {@hide}
       */
      public abstract int getWifiStateCount(int wifiState, int which);
  
      /**
       * Returns the {@link Timer} object that tracks the given WiFi state.
       *
       * {@hide}
       */
      public abstract Timer getWifiStateTimer(int wifiState);
  
      /**
       * Returns the time in microseconds that the wifi supplicant has been
       * in a given state.
       *
       * {@hide}
       */
      public abstract long getWifiSupplStateTime(int state, long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times that the wifi supplicant has transitioned
       * to a given state.
       *
       * {@hide}
       */
      public abstract int getWifiSupplStateCount(int state, int which);
  
      /**
       * Returns the {@link Timer} object that tracks the given wifi supplicant state.
       *
       * {@hide}
       */
      public abstract Timer getWifiSupplStateTimer(int state);
  
      public static final int NUM_WIFI_SIGNAL_STRENGTH_BINS = 5;
  
      /**
       * Returns the time in microseconds that WIFI has been running with
       * the given signal strength.
       *
       * {@hide}
       */
      public abstract long getWifiSignalStrengthTime(int strengthBin,
              long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times WIFI has entered the given signal strength.
       *
       * {@hide}
       */
      public abstract int getWifiSignalStrengthCount(int strengthBin, int which);
  
      /**
       * Returns the {@link Timer} object that tracks the given WIFI signal strength.
       *
       * {@hide}
       */
      public abstract Timer getWifiSignalStrengthTimer(int strengthBin);
  
      /**
       * Returns the time in microseconds that the flashlight has been on while the device was
       * running on battery.
       *
       * {@hide}
       */
      public abstract long getFlashlightOnTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the number of times that the flashlight has been turned on while the device was
       * running on battery.
       *
       * {@hide}
       */
      public abstract long getFlashlightOnCount(int which);
  
      /**
       * Returns the time in microseconds that the camera has been on while the device was
       * running on battery.
       *
       * {@hide}
       */
      public abstract long getCameraOnTime(long elapsedRealtimeUs, int which);
  
      /**
       * Returns the time in microseconds that bluetooth scans were running while the device was
       * on battery.
       *
       * {@hide}
       */
      public abstract long getBluetoothScanTime(long elapsedRealtimeUs, int which);
  
      public static final int NETWORK_MOBILE_RX_DATA = 0;
      public static final int NETWORK_MOBILE_TX_DATA = 1;
      public static final int NETWORK_WIFI_RX_DATA = 2;
      public static final int NETWORK_WIFI_TX_DATA = 3;
      public static final int NETWORK_BT_RX_DATA = 4;
      public static final int NETWORK_BT_TX_DATA = 5;
      public static final int NETWORK_MOBILE_BG_RX_DATA = 6;
      public static final int NETWORK_MOBILE_BG_TX_DATA = 7;
      public static final int NETWORK_WIFI_BG_RX_DATA = 8;
      public static final int NETWORK_WIFI_BG_TX_DATA = 9;
      public static final int NUM_NETWORK_ACTIVITY_TYPES = NETWORK_WIFI_BG_TX_DATA + 1;
  
      public abstract long getNetworkActivityBytes(int type, int which);
      public abstract long getNetworkActivityPackets(int type, int which);
  
      /**
       * Returns true if the BatteryStats object has detailed WiFi power reports.
       * When true, calling {@link #getWifiControllerActivity()} will yield the
       * actual power data.
       */
      public abstract boolean hasWifiActivityReporting();
  
      /**
       * Returns a {@link ControllerActivityCounter} which is an aggregate of the times spent
       * in various radio controller states, such as transmit, receive, and idle.
       * @return non-null {@link ControllerActivityCounter}
       */
      public abstract ControllerActivityCounter getWifiControllerActivity();
  
      /**
       * Returns true if the BatteryStats object has detailed bluetooth power reports.
       * When true, calling {@link #getBluetoothControllerActivity()} will yield the
       * actual power data.
       */
      public abstract boolean hasBluetoothActivityReporting();
  
      /**
       * Returns a {@link ControllerActivityCounter} which is an aggregate of the times spent
       * in various radio controller states, such as transmit, receive, and idle.
       * @return non-null {@link ControllerActivityCounter}
       */
      public abstract ControllerActivityCounter getBluetoothControllerActivity();
  
      /**
       * Returns true if the BatteryStats object has detailed modem power reports.
       * When true, calling {@link #getModemControllerActivity()} will yield the
       * actual power data.
       */
      public abstract boolean hasModemActivityReporting();
  
      /**
       * Returns a {@link ControllerActivityCounter} which is an aggregate of the times spent
       * in various radio controller states, such as transmit, receive, and idle.
       * @return non-null {@link ControllerActivityCounter}
       */
      public abstract ControllerActivityCounter getModemControllerActivity();
  
      /**
       * Return the wall clock time when battery stats data collection started.
       */
      public abstract long getStartClockTime();
  
      /**
       * Return platform version tag that we were running in when the battery stats started.
       */
      public abstract String getStartPlatformVersion();
  
      /**
       * Return platform version tag that we were running in when the battery stats ended.
       */
      public abstract String getEndPlatformVersion();
  
      /**
       * Return the internal version code of the parcelled format.
       */
      public abstract int getParcelVersion();
  
      /**
       * Return whether we are currently running on battery.
       */
      public abstract boolean getIsOnBattery();
  
      /**
       * Returns a SparseArray containing the statistics for each uid.
       */
      @UnsupportedAppUsage
      public abstract SparseArray<? extends Uid> getUidStats();
  
      /**
       * Returns the current battery uptime in microseconds.
       *
       * @param curTime the amount of elapsed realtime in microseconds.
       */
      @UnsupportedAppUsage
      public abstract long getBatteryUptime(long curTime);
  
      /**
       * Returns the current battery realtime in microseconds.
       *
       * @param curTime the amount of elapsed realtime in microseconds.
       */
      public abstract long getBatteryRealtime(long curTime);
  
      /**
       * Returns the battery percentage level at the last time the device was unplugged from power, or
       * the last time it booted on battery power.
       */
      public abstract int getDischargeStartLevel();
  
      /**
       * Returns the current battery percentage level if we are in a discharge cycle, otherwise
       * returns the level at the last plug event.
       */
      public abstract int getDischargeCurrentLevel();
  
      /**
       * Get the amount the battery has discharged since the stats were
       * last reset after charging, as a lower-end approximation.
       */
      public abstract int getLowDischargeAmountSinceCharge();
  
      /**
       * Get the amount the battery has discharged since the stats were
       * last reset after charging, as an upper-end approximation.
       */
      public abstract int getHighDischargeAmountSinceCharge();
  
      /**
       * Retrieve the discharge amount over the selected discharge period <var>which</var>.
       */
      public abstract int getDischargeAmount(int which);
  
      /**
       * Get the amount the battery has discharged while the screen was on,
       * since the last time power was unplugged.
       */
      public abstract int getDischargeAmountScreenOn();
  
      /**
       * Get the amount the battery has discharged while the screen was on,
       * since the last time the device was charged.
       */
      public abstract int getDischargeAmountScreenOnSinceCharge();
  
      /**
       * Get the amount the battery has discharged while the screen was off,
       * since the last time power was unplugged.
       */
      public abstract int getDischargeAmountScreenOff();
  
      /**
       * Get the amount the battery has discharged while the screen was off,
       * since the last time the device was charged.
       */
      public abstract int getDischargeAmountScreenOffSinceCharge();
  
      /**
       * Get the amount the battery has discharged while the screen was dozing,
       * since the last time power was unplugged.
       */
      public abstract int getDischargeAmountScreenDoze();
  
      /**
       * Get the amount the battery has discharged while the screen was dozing,
       * since the last time the device was charged.
       */
      public abstract int getDischargeAmountScreenDozeSinceCharge();
  
      /**
       * Returns the total, last, or current battery uptime in microseconds.
       *
       * @param curTime the elapsed realtime in microseconds.
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       */
      @UnsupportedAppUsage
      public abstract long computeBatteryUptime(long curTime, int which);
  
      /**
       * Returns the total, last, or current battery realtime in microseconds.
       *
       * @param curTime the current elapsed realtime in microseconds.
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       */
      @UnsupportedAppUsage
      public abstract long computeBatteryRealtime(long curTime, int which);
  
      /**
       * Returns the total, last, or current battery screen off/doze uptime in microseconds.
       *
       * @param curTime the elapsed realtime in microseconds.
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       */
      public abstract long computeBatteryScreenOffUptime(long curTime, int which);
  
      /**
       * Returns the total, last, or current battery screen off/doze realtime in microseconds.
       *
       * @param curTime the current elapsed realtime in microseconds.
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       */
      public abstract long computeBatteryScreenOffRealtime(long curTime, int which);
  
      /**
       * Returns the total, last, or current uptime in microseconds.
       *
       * @param curTime the current elapsed realtime in microseconds.
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       */
      public abstract long computeUptime(long curTime, int which);
  
      /**
       * Returns the total, last, or current realtime in microseconds.
       *
       * @param curTime the current elapsed realtime in microseconds.
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       */
      public abstract long computeRealtime(long curTime, int which);
  
      /**
       * Compute an approximation for how much run time (in microseconds) is remaining on
       * the battery.  Returns -1 if no time can be computed: either there is not
       * enough current data to make a decision, or the battery is currently
       * charging.
       *
       * @param curTime The current elepsed realtime in microseconds.
       */
      @UnsupportedAppUsage
      public abstract long computeBatteryTimeRemaining(long curTime);
  
      // The part of a step duration that is the actual time.
      public static final long STEP_LEVEL_TIME_MASK = 0x000000ffffffffffL;
  
      // Bits in a step duration that are the new battery level we are at.
      public static final long STEP_LEVEL_LEVEL_MASK = 0x0000ff0000000000L;
      public static final int STEP_LEVEL_LEVEL_SHIFT = 40;
  
      // Bits in a step duration that are the initial mode we were in at that step.
      public static final long STEP_LEVEL_INITIAL_MODE_MASK = 0x00ff000000000000L;
      public static final int STEP_LEVEL_INITIAL_MODE_SHIFT = 48;
  
      // Bits in a step duration that indicate which modes changed during that step.
      public static final long STEP_LEVEL_MODIFIED_MODE_MASK = 0xff00000000000000L;
      public static final int STEP_LEVEL_MODIFIED_MODE_SHIFT = 56;
  
      // Step duration mode: the screen is on, off, dozed, etc; value is Display.STATE_* - 1.
      public static final int STEP_LEVEL_MODE_SCREEN_STATE = 0x03;
  
      // The largest value for screen state that is tracked in battery states. Any values above
      // this should be mapped back to one of the tracked values before being tracked here.
      public static final int MAX_TRACKED_SCREEN_STATE = Display.STATE_DOZE_SUSPEND;
  
      // Step duration mode: power save is on.
      public static final int STEP_LEVEL_MODE_POWER_SAVE = 0x04;
  
      // Step duration mode: device is currently in idle mode.
      public static final int STEP_LEVEL_MODE_DEVICE_IDLE = 0x08;
  
      public static final int[] STEP_LEVEL_MODES_OF_INTEREST = new int[] {
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE|STEP_LEVEL_MODE_DEVICE_IDLE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_DEVICE_IDLE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_POWER_SAVE|STEP_LEVEL_MODE_DEVICE_IDLE,
              STEP_LEVEL_MODE_SCREEN_STATE|STEP_LEVEL_MODE_DEVICE_IDLE,
      };
      public static final int[] STEP_LEVEL_MODE_VALUES = new int[] {
              (Display.STATE_OFF-1),
              (Display.STATE_OFF-1)|STEP_LEVEL_MODE_POWER_SAVE,
              (Display.STATE_OFF-1)|STEP_LEVEL_MODE_DEVICE_IDLE,
              (Display.STATE_ON-1),
              (Display.STATE_ON-1)|STEP_LEVEL_MODE_POWER_SAVE,
              (Display.STATE_DOZE-1),
              (Display.STATE_DOZE-1)|STEP_LEVEL_MODE_POWER_SAVE,
              (Display.STATE_DOZE_SUSPEND-1),
              (Display.STATE_DOZE_SUSPEND-1)|STEP_LEVEL_MODE_POWER_SAVE,
              (Display.STATE_DOZE_SUSPEND-1)|STEP_LEVEL_MODE_DEVICE_IDLE,
      };
      public static final String[] STEP_LEVEL_MODE_LABELS = new String[] {
              "screen off",
              "screen off power save",
              "screen off device idle",
              "screen on",
              "screen on power save",
              "screen doze",
              "screen doze power save",
              "screen doze-suspend",
              "screen doze-suspend power save",
              "screen doze-suspend device idle",
      };
  
      /**
       * Return the amount of battery discharge while the screen was off, measured in
       * micro-Ampere-hours. This will be non-zero only if the device's battery has
       * a coulomb counter.
       */
      public abstract long getUahDischargeScreenOff(int which);
  
      /**
       * Return the amount of battery discharge while the screen was in doze mode, measured in
       * micro-Ampere-hours. This will be non-zero only if the device's battery has
       * a coulomb counter.
       */
      public abstract long getUahDischargeScreenDoze(int which);
  
      /**
       * Return the amount of battery discharge  measured in micro-Ampere-hours. This will be
       * non-zero only if the device's battery has a coulomb counter.
       */
      public abstract long getUahDischarge(int which);
  
      /**
       * @return the amount of battery discharge while the device is in light idle mode, measured in
       * micro-Ampere-hours.
       */
      public abstract long getUahDischargeLightDoze(int which);
  
      /**
       * @return the amount of battery discharge while the device is in deep idle mode, measured in
       * micro-Ampere-hours.
       */
      public abstract long getUahDischargeDeepDoze(int which);
  
      /**
       * Returns the estimated real battery capacity, which may be less than the capacity
       * declared by the PowerProfile.
       * @return The estimated battery capacity in mAh.
       */
      public abstract int getEstimatedBatteryCapacity();
  
      /**
       * @return The minimum learned battery capacity in uAh.
       */
      public abstract int getMinLearnedBatteryCapacity();
  
      /**
       * @return The maximum learned battery capacity in uAh.
       */
      public abstract int getMaxLearnedBatteryCapacity() ;
  
      /**
       * Return the array of discharge step durations.
       */
      public abstract LevelStepTracker getDischargeLevelStepTracker();
  
      /**
       * Return the array of daily discharge step durations.
       */
      public abstract LevelStepTracker getDailyDischargeLevelStepTracker();
  
      /**
       * Compute an approximation for how much time (in microseconds) remains until the battery
       * is fully charged.  Returns -1 if no time can be computed: either there is not
       * enough current data to make a decision, or the battery is currently
       * discharging.
       *
       * @param curTime The current elepsed realtime in microseconds.
       */
      @UnsupportedAppUsage
      public abstract long computeChargeTimeRemaining(long curTime);
  
      /**
       * Return the array of charge step durations.
       */
      public abstract LevelStepTracker getChargeLevelStepTracker();
  
      /**
       * Return the array of daily charge step durations.
       */
      public abstract LevelStepTracker getDailyChargeLevelStepTracker();
  
      public abstract ArrayList<PackageChange> getDailyPackageChanges();
  
      public abstract Map<String, ? extends Timer> getWakeupReasonStats();
  
      public abstract Map<String, ? extends Timer> getKernelWakelockStats();
  
      /**
       * Returns Timers tracking the total time of each Resource Power Manager state and voter.
       */
      public abstract Map<String, ? extends Timer> getRpmStats();
      /**
       * Returns Timers tracking the screen-off time of each Resource Power Manager state and voter.
       */
      public abstract Map<String, ? extends Timer> getScreenOffRpmStats();
  
  
      public abstract LongSparseArray<? extends Timer> getKernelMemoryStats();
  
      public abstract void writeToParcelWithoutUids(Parcel out, int flags);
  
      private final static void formatTimeRaw(StringBuilder out, long seconds) {
          long days = seconds / (60 * 60 * 24);
          if (days != 0) {
              out.append(days);
              out.append("d ");
          }
          long used = days * 60 * 60 * 24;
  
          long hours = (seconds - used) / (60 * 60);
          if (hours != 0 || used != 0) {
              out.append(hours);
              out.append("h ");
          }
          used += hours * 60 * 60;
  
          long mins = (seconds-used) / 60;
          if (mins != 0 || used != 0) {
              out.append(mins);
              out.append("m ");
          }
          used += mins * 60;
  
          if (seconds != 0 || used != 0) {
              out.append(seconds-used);
              out.append("s ");
          }
      }
  
      public final static void formatTimeMs(StringBuilder sb, long time) {
          long sec = time / 1000;
          formatTimeRaw(sb, sec);
          sb.append(time - (sec * 1000));
          sb.append("ms ");
      }
  
      public final static void formatTimeMsNoSpace(StringBuilder sb, long time) {
          long sec = time / 1000;
          formatTimeRaw(sb, sec);
          sb.append(time - (sec * 1000));
          sb.append("ms");
      }
  
      public final String formatRatioLocked(long num, long den) {
          if (den == 0L) {
              return "--%";
          }
          float perc = ((float)num) / ((float)den) * 100;
          mFormatBuilder.setLength(0);
          mFormatter.format("%.1f%%", perc);
          return mFormatBuilder.toString();
      }
  
      final String formatBytesLocked(long bytes) {
          mFormatBuilder.setLength(0);
  
          if (bytes < BYTES_PER_KB) {
              return bytes + "B";
          } else if (bytes < BYTES_PER_MB) {
              mFormatter.format("%.2fKB", bytes / (double) BYTES_PER_KB);
              return mFormatBuilder.toString();
          } else if (bytes < BYTES_PER_GB){
              mFormatter.format("%.2fMB", bytes / (double) BYTES_PER_MB);
              return mFormatBuilder.toString();
          } else {
              mFormatter.format("%.2fGB", bytes / (double) BYTES_PER_GB);
              return mFormatBuilder.toString();
          }
      }
  
      private static long roundUsToMs(long timeUs) {
          return (timeUs + 500) / 1000;
      }
  
      private static long computeWakeLock(Timer timer, long elapsedRealtimeUs, int which) {
          if (timer != null) {
              // Convert from microseconds to milliseconds with rounding
              long totalTimeMicros = timer.getTotalTimeLocked(elapsedRealtimeUs, which);
              long totalTimeMillis = (totalTimeMicros + 500) / 1000;
              return totalTimeMillis;
          }
          return 0;
      }
  
      /**
       *
       * @param sb a StringBuilder object.
       * @param timer a Timer object contining the wakelock times.
       * @param elapsedRealtimeUs the current on-battery time in microseconds.
       * @param name the name of the wakelock.
       * @param which which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       * @param linePrefix a String to be prepended to each line of output.
       * @return the line prefix
       */
      private static final String printWakeLock(StringBuilder sb, Timer timer,
              long elapsedRealtimeUs, String name, int which, String linePrefix) {
  
          if (timer != null) {
              long totalTimeMillis = computeWakeLock(timer, elapsedRealtimeUs, which);
  
              int count = timer.getCountLocked(which);
              if (totalTimeMillis != 0) {
                  sb.append(linePrefix);
                  formatTimeMs(sb, totalTimeMillis);
                  if (name != null) {
                      sb.append(name);
                      sb.append(' ');
                  }
                  sb.append('(');
                  sb.append(count);
                  sb.append(" times)");
                  final long maxDurationMs = timer.getMaxDurationMsLocked(elapsedRealtimeUs/1000);
                  if (maxDurationMs >= 0) {
                      sb.append(" max=");
                      sb.append(maxDurationMs);
                  }
                  // Put actual time if it is available and different from totalTimeMillis.
                  final long totalDurMs = timer.getTotalDurationMsLocked(elapsedRealtimeUs/1000);
                  if (totalDurMs > totalTimeMillis) {
                      sb.append(" actual=");
                      sb.append(totalDurMs);
                  }
                  if (timer.isRunningLocked()) {
                      final long currentMs = timer.getCurrentDurationMsLocked(elapsedRealtimeUs/1000);
                      if (currentMs >= 0) {
                          sb.append(" (running for ");
                          sb.append(currentMs);
                          sb.append("ms)");
                      } else {
                          sb.append(" (running)");
                      }
                  }
  
                  return ", ";
              }
          }
          return linePrefix;
      }
  
      /**
       * Prints details about a timer, if its total time was greater than 0.
       *
       * @param pw a PrintWriter object to print to.
       * @param sb a StringBuilder object.
       * @param timer a Timer object contining the wakelock times.
       * @param rawRealtimeUs the current on-battery time in microseconds.
       * @param which which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       * @param prefix a String to be prepended to each line of output.
       * @param type the name of the timer.
       * @return true if anything was printed.
       */
      private static final boolean printTimer(PrintWriter pw, StringBuilder sb, Timer timer,
              long rawRealtimeUs, int which, String prefix, String type) {
          if (timer != null) {
              // Convert from microseconds to milliseconds with rounding
              final long totalTimeMs = (timer.getTotalTimeLocked(
                      rawRealtimeUs, which) + 500) / 1000;
              final int count = timer.getCountLocked(which);
              if (totalTimeMs != 0) {
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    ");
                  sb.append(type);
                  sb.append(": ");
                  formatTimeMs(sb, totalTimeMs);
                  sb.append("realtime (");
                  sb.append(count);
                  sb.append(" times)");
                  final long maxDurationMs = timer.getMaxDurationMsLocked(rawRealtimeUs/1000);
                  if (maxDurationMs >= 0) {
                      sb.append(" max=");
                      sb.append(maxDurationMs);
                  }
                  if (timer.isRunningLocked()) {
                      final long currentMs = timer.getCurrentDurationMsLocked(rawRealtimeUs/1000);
                      if (currentMs >= 0) {
                          sb.append(" (running for ");
                          sb.append(currentMs);
                          sb.append("ms)");
                      } else {
                          sb.append(" (running)");
                      }
                  }
                  pw.println(sb.toString());
                  return true;
              }
          }
          return false;
      }
  
      /**
       * Checkin version of wakelock printer. Prints simple comma-separated list.
       *
       * @param sb a StringBuilder object.
       * @param timer a Timer object contining the wakelock times.
       * @param elapsedRealtimeUs the current time in microseconds.
       * @param name the name of the wakelock.
       * @param which which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
       * @param linePrefix a String to be prepended to each line of output.
       * @return the line prefix
       */
      private static final String printWakeLockCheckin(StringBuilder sb, Timer timer,
              long elapsedRealtimeUs, String name, int which, String linePrefix) {
          long totalTimeMicros = 0;
          int count = 0;
          long max = 0;
          long current = 0;
          long totalDuration = 0;
          if (timer != null) {
              totalTimeMicros = timer.getTotalTimeLocked(elapsedRealtimeUs, which);
              count = timer.getCountLocked(which);
              current = timer.getCurrentDurationMsLocked(elapsedRealtimeUs/1000);
              max = timer.getMaxDurationMsLocked(elapsedRealtimeUs/1000);
              totalDuration = timer.getTotalDurationMsLocked(elapsedRealtimeUs/1000);
          }
          sb.append(linePrefix);
          sb.append((totalTimeMicros + 500) / 1000); // microseconds to milliseconds with rounding
          sb.append(',');
          sb.append(name != null ? name + "," : "");
          sb.append(count);
          sb.append(',');
          sb.append(current);
          sb.append(',');
          sb.append(max);
          // Partial, full, and window wakelocks are pooled, so totalDuration is meaningful (albeit
          // not always tracked). Kernel wakelocks (which have name == null) have no notion of
          // totalDuration independent of totalTimeMicros (since they are not pooled).
          if (name != null) {
              sb.append(',');
              sb.append(totalDuration);
          }
          return ",";
      }
  
      private static final void dumpLineHeader(PrintWriter pw, int uid, String category,
                                               String type) {
          pw.print(BATTERY_STATS_CHECKIN_VERSION);
          pw.print(',');
          pw.print(uid);
          pw.print(',');
          pw.print(category);
          pw.print(',');
          pw.print(type);
      }
  
      /**
       * Dump a comma-separated line of values for terse checkin mode.
       *
       * @param pw the PageWriter to dump log to
       * @param category category of data (e.g. "total", "last", "unplugged", "current" )
       * @param type type of data (e.g. "wakelock", "sensor", "process", "apk" ,  "process", "network")
       * @param args type-dependent data arguments
       */
      @UnsupportedAppUsage
      private static final void dumpLine(PrintWriter pw, int uid, String category, String type,
             Object... args ) {
          dumpLineHeader(pw, uid, category, type);
          for (Object arg : args) {
              pw.print(',');
              pw.print(arg);
          }
          pw.println();
      }
  
      /**
       * Dump a given timer stat for terse checkin mode.
       *
       * @param pw the PageWriter to dump log to
       * @param uid the UID to log
       * @param category category of data (e.g. "total", "last", "unplugged", "current" )
       * @param type type of data (e.g. "wakelock", "sensor", "process", "apk" ,  "process", "network")
       * @param timer a {@link Timer} to dump stats for
       * @param rawRealtime the current elapsed realtime of the system in microseconds
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
       */
      private static final void dumpTimer(PrintWriter pw, int uid, String category, String type,
                                          Timer timer, long rawRealtime, int which) {
          if (timer != null) {
              // Convert from microseconds to milliseconds with rounding
              final long totalTime = roundUsToMs(timer.getTotalTimeLocked(rawRealtime, which));
              final int count = timer.getCountLocked(which);
              if (totalTime != 0 || count != 0) {
                  dumpLine(pw, uid, category, type, totalTime, count);
              }
          }
      }
  
      /**
       * Dump a given timer stat to the proto stream.
       *
       * @param proto the ProtoOutputStream to log to
       * @param fieldId type of data, the field to save to (e.g. AggregatedBatteryStats.WAKELOCK)
       * @param timer a {@link Timer} to dump stats for
       * @param rawRealtimeUs the current elapsed realtime of the system in microseconds
       * @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
       */
      private static void dumpTimer(ProtoOutputStream proto, long fieldId,
                                          Timer timer, long rawRealtimeUs, int which) {
          if (timer == null) {
              return;
          }
          // Convert from microseconds to milliseconds with rounding
          final long timeMs = roundUsToMs(timer.getTotalTimeLocked(rawRealtimeUs, which));
          final int count = timer.getCountLocked(which);
          final long maxDurationMs = timer.getMaxDurationMsLocked(rawRealtimeUs / 1000);
          final long curDurationMs = timer.getCurrentDurationMsLocked(rawRealtimeUs / 1000);
          final long totalDurationMs = timer.getTotalDurationMsLocked(rawRealtimeUs / 1000);
          if (timeMs != 0 || count != 0 || maxDurationMs != -1 || curDurationMs != -1
                  || totalDurationMs != -1) {
              final long token = proto.start(fieldId);
              proto.write(TimerProto.DURATION_MS, timeMs);
              proto.write(TimerProto.COUNT, count);
              // These values will be -1 for timers that don't implement the functionality.
              if (maxDurationMs != -1) {
                  proto.write(TimerProto.MAX_DURATION_MS, maxDurationMs);
              }
              if (curDurationMs != -1) {
                  proto.write(TimerProto.CURRENT_DURATION_MS, curDurationMs);
              }
              if (totalDurationMs != -1) {
                  proto.write(TimerProto.TOTAL_DURATION_MS, totalDurationMs);
              }
              proto.end(token);
          }
      }
  
      /**
       * Checks if the ControllerActivityCounter has any data worth dumping.
       */
      private static boolean controllerActivityHasData(ControllerActivityCounter counter, int which) {
          if (counter == null) {
              return false;
          }
  
          if (counter.getIdleTimeCounter().getCountLocked(which) != 0
                  || counter.getRxTimeCounter().getCountLocked(which) != 0
                  || counter.getPowerCounter().getCountLocked(which) != 0
                  || counter.getMonitoredRailChargeConsumedMaMs().getCountLocked(which) != 0) {
              return true;
          }
  
          for (LongCounter c : counter.getTxTimeCounters()) {
              if (c.getCountLocked(which) != 0) {
                  return true;
              }
          }
          return false;
      }
  
      /**
       * Dumps the ControllerActivityCounter if it has any data worth dumping.
       * The order of the arguments in the final check in line is:
       *
       * idle, rx, power, tx...
       *
       * where tx... is one or more transmit level times.
       */
      private static final void dumpControllerActivityLine(PrintWriter pw, int uid, String category,
                                                           String type,
                                                           ControllerActivityCounter counter,
                                                           int which) {
          if (!controllerActivityHasData(counter, which)) {
              return;
          }
  
          dumpLineHeader(pw, uid, category, type);
          pw.print(",");
          pw.print(counter.getIdleTimeCounter().getCountLocked(which));
          pw.print(",");
          pw.print(counter.getRxTimeCounter().getCountLocked(which));
          pw.print(",");
          pw.print(counter.getPowerCounter().getCountLocked(which) / (MILLISECONDS_IN_HOUR));
          pw.print(",");
          pw.print(counter.getMonitoredRailChargeConsumedMaMs().getCountLocked(which)
                  / (MILLISECONDS_IN_HOUR));
          for (LongCounter c : counter.getTxTimeCounters()) {
              pw.print(",");
              pw.print(c.getCountLocked(which));
          }
          pw.println();
      }
  
      /**
       * Dumps the ControllerActivityCounter if it has any data worth dumping.
       */
      private static void dumpControllerActivityProto(ProtoOutputStream proto, long fieldId,
                                                      ControllerActivityCounter counter,
                                                      int which) {
          if (!controllerActivityHasData(counter, which)) {
              return;
          }
  
          final long cToken = proto.start(fieldId);
  
          proto.write(ControllerActivityProto.IDLE_DURATION_MS,
                  counter.getIdleTimeCounter().getCountLocked(which));
          proto.write(ControllerActivityProto.RX_DURATION_MS,
                  counter.getRxTimeCounter().getCountLocked(which));
          proto.write(ControllerActivityProto.POWER_MAH,
                  counter.getPowerCounter().getCountLocked(which) / (MILLISECONDS_IN_HOUR));
          proto.write(ControllerActivityProto.MONITORED_RAIL_CHARGE_MAH,
                  counter.getMonitoredRailChargeConsumedMaMs().getCountLocked(which)
                          / (MILLISECONDS_IN_HOUR));
  
          long tToken;
          LongCounter[] txCounters = counter.getTxTimeCounters();
          for (int i = 0; i < txCounters.length; ++i) {
              LongCounter c = txCounters[i];
              tToken = proto.start(ControllerActivityProto.TX);
              proto.write(ControllerActivityProto.TxLevel.LEVEL, i);
              proto.write(ControllerActivityProto.TxLevel.DURATION_MS, c.getCountLocked(which));
              proto.end(tToken);
          }
  
          proto.end(cToken);
      }
  
      private final void printControllerActivityIfInteresting(PrintWriter pw, StringBuilder sb,
                                                              String prefix, String controllerName,
                                                              ControllerActivityCounter counter,
                                                              int which) {
          if (controllerActivityHasData(counter, which)) {
              printControllerActivity(pw, sb, prefix, controllerName, counter, which);
          }
      }
  
      private final void printControllerActivity(PrintWriter pw, StringBuilder sb, String prefix,
                                                 String controllerName,
                                                 ControllerActivityCounter counter, int which) {
          final long idleTimeMs = counter.getIdleTimeCounter().getCountLocked(which);
          final long rxTimeMs = counter.getRxTimeCounter().getCountLocked(which);
          final long powerDrainMaMs = counter.getPowerCounter().getCountLocked(which);
          final long monitoredRailChargeConsumedMaMs =
                  counter.getMonitoredRailChargeConsumedMaMs().getCountLocked(which);
          // Battery real time
          final long totalControllerActivityTimeMs
              = computeBatteryRealtime(SystemClock.elapsedRealtime() * 1000, which) / 1000;
          long totalTxTimeMs = 0;
          for (LongCounter txState : counter.getTxTimeCounters()) {
              totalTxTimeMs += txState.getCountLocked(which);
          }
  
          if (controllerName.equals(WIFI_CONTROLLER_NAME)) {
              final long scanTimeMs = counter.getScanTimeCounter().getCountLocked(which);
              sb.setLength(0);
              sb.append(prefix);
              sb.append("     ");
              sb.append(controllerName);
              sb.append(" Scan time:  ");
              formatTimeMs(sb, scanTimeMs);
              sb.append("(");
              sb.append(formatRatioLocked(scanTimeMs, totalControllerActivityTimeMs));
              sb.append(")");
              pw.println(sb.toString());
  
              final long sleepTimeMs
                  = totalControllerActivityTimeMs - (idleTimeMs + rxTimeMs + totalTxTimeMs);
              sb.setLength(0);
              sb.append(prefix);
              sb.append("     ");
              sb.append(controllerName);
              sb.append(" Sleep time:  ");
              formatTimeMs(sb, sleepTimeMs);
              sb.append("(");
              sb.append(formatRatioLocked(sleepTimeMs, totalControllerActivityTimeMs));
              sb.append(")");
              pw.println(sb.toString());
          }
  
          if (controllerName.equals(CELLULAR_CONTROLLER_NAME)) {
              final long sleepTimeMs = counter.getSleepTimeCounter().getCountLocked(which);
              sb.setLength(0);
              sb.append(prefix);
              sb.append("     ");
              sb.append(controllerName);
              sb.append(" Sleep time:  ");
              formatTimeMs(sb, sleepTimeMs);
              sb.append("(");
              sb.append(formatRatioLocked(sleepTimeMs, totalControllerActivityTimeMs));
              sb.append(")");
              pw.println(sb.toString());
          }
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     ");
          sb.append(controllerName);
          sb.append(" Idle time:   ");
          formatTimeMs(sb, idleTimeMs);
          sb.append("(");
          sb.append(formatRatioLocked(idleTimeMs, totalControllerActivityTimeMs));
          sb.append(")");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     ");
          sb.append(controllerName);
          sb.append(" Rx time:     ");
          formatTimeMs(sb, rxTimeMs);
          sb.append("(");
          sb.append(formatRatioLocked(rxTimeMs, totalControllerActivityTimeMs));
          sb.append(")");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     ");
          sb.append(controllerName);
          sb.append(" Tx time:     ");
  
          String [] powerLevel;
          switch(controllerName) {
              case CELLULAR_CONTROLLER_NAME:
                  powerLevel = new String[] {
                      "   less than 0dBm: ",
                      "   0dBm to 8dBm: ",
                      "   8dBm to 15dBm: ",
                      "   15dBm to 20dBm: ",
                      "   above 20dBm: "};
                  break;
              default:
                  powerLevel = new String[] {"[0]", "[1]", "[2]", "[3]", "[4]"};
                  break;
          }
          final int numTxLvls = Math.min(counter.getTxTimeCounters().length, powerLevel.length);
          if (numTxLvls > 1) {
              pw.println(sb.toString());
              for (int lvl = 0; lvl < numTxLvls; lvl++) {
                  final long txLvlTimeMs = counter.getTxTimeCounters()[lvl].getCountLocked(which);
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    ");
                  sb.append(powerLevel[lvl]);
                  sb.append(" ");
                  formatTimeMs(sb, txLvlTimeMs);
                  sb.append("(");
                  sb.append(formatRatioLocked(txLvlTimeMs, totalControllerActivityTimeMs));
                  sb.append(")");
                  pw.println(sb.toString());
              }
          } else {
              final long txLvlTimeMs = counter.getTxTimeCounters()[0].getCountLocked(which);
              formatTimeMs(sb, txLvlTimeMs);
              sb.append("(");
              sb.append(formatRatioLocked(txLvlTimeMs, totalControllerActivityTimeMs));
              sb.append(")");
              pw.println(sb.toString());
          }
  
          if (powerDrainMaMs > 0) {
              sb.setLength(0);
              sb.append(prefix);
              sb.append("     ");
              sb.append(controllerName);
              sb.append(" Battery drain: ").append(
                      BatteryStatsHelper.makemAh(powerDrainMaMs / MILLISECONDS_IN_HOUR));
              sb.append("mAh");
              pw.println(sb.toString());
          }
  
          if (monitoredRailChargeConsumedMaMs > 0) {
              sb.setLength(0);
              sb.append(prefix);
              sb.append("     ");
              sb.append(controllerName);
              sb.append(" Monitored rail energy drain: ").append(
                      new DecimalFormat("#.##").format(
                              monitoredRailChargeConsumedMaMs / MILLISECONDS_IN_HOUR));
              sb.append(" mAh");
              pw.println(sb.toString());
          }
      }
  
      /**
       * Temporary for settings.
       */
      public final void dumpCheckinLocked(Context context, PrintWriter pw, int which, int reqUid) {
          dumpCheckinLocked(context, pw, which, reqUid, BatteryStatsHelper.checkWifiOnly(context));
      }
  
      /**
       * Checkin server version of dump to produce more compact, computer-readable log.
       *
       * NOTE: all times are expressed in microseconds, unless specified otherwise.
       */
      public final void dumpCheckinLocked(Context context, PrintWriter pw, int which, int reqUid,
              boolean wifiOnly) {
  
          if (which != BatteryStats.STATS_SINCE_CHARGED) {
              dumpLine(pw, 0, STAT_NAMES[which], "err",
                      "ERROR: BatteryStats.dumpCheckin called for which type " + which
                      + " but only STATS_SINCE_CHARGED is supported.");
              return;
          }
  
          final long rawUptime = SystemClock.uptimeMillis() * 1000;
          final long rawRealtimeMs = SystemClock.elapsedRealtime();
          final long rawRealtime = rawRealtimeMs * 1000;
          final long batteryUptime = getBatteryUptime(rawUptime);
          final long whichBatteryUptime = computeBatteryUptime(rawUptime, which);
          final long whichBatteryRealtime = computeBatteryRealtime(rawRealtime, which);
          final long whichBatteryScreenOffUptime = computeBatteryScreenOffUptime(rawUptime, which);
          final long whichBatteryScreenOffRealtime = computeBatteryScreenOffRealtime(rawRealtime,
                  which);
          final long totalRealtime = computeRealtime(rawRealtime, which);
          final long totalUptime = computeUptime(rawUptime, which);
          final long screenOnTime = getScreenOnTime(rawRealtime, which);
          final long screenDozeTime = getScreenDozeTime(rawRealtime, which);
          final long interactiveTime = getInteractiveTime(rawRealtime, which);
          final long powerSaveModeEnabledTime = getPowerSaveModeEnabledTime(rawRealtime, which);
          final long deviceIdleModeLightTime = getDeviceIdleModeTime(DEVICE_IDLE_MODE_LIGHT,
                  rawRealtime, which);
          final long deviceIdleModeFullTime = getDeviceIdleModeTime(DEVICE_IDLE_MODE_DEEP,
                  rawRealtime, which);
          final long deviceLightIdlingTime = getDeviceIdlingTime(DEVICE_IDLE_MODE_LIGHT,
                  rawRealtime, which);
          final long deviceIdlingTime = getDeviceIdlingTime(DEVICE_IDLE_MODE_DEEP,
                  rawRealtime, which);
          final int connChanges = getNumConnectivityChange(which);
          final long phoneOnTime = getPhoneOnTime(rawRealtime, which);
          final long dischargeCount = getUahDischarge(which);
          final long dischargeScreenOffCount = getUahDischargeScreenOff(which);
          final long dischargeScreenDozeCount = getUahDischargeScreenDoze(which);
          final long dischargeLightDozeCount = getUahDischargeLightDoze(which);
          final long dischargeDeepDozeCount = getUahDischargeDeepDoze(which);
  
          final StringBuilder sb = new StringBuilder(128);
  
          final SparseArray<? extends Uid> uidStats = getUidStats();
          final int NU = uidStats.size();
  
          final String category = STAT_NAMES[which];
  
          // Dump "battery" stat
          dumpLine(pw, 0 /* uid */, category, BATTERY_DATA,
                  which == STATS_SINCE_CHARGED ? getStartCount() : "N/A",
                  whichBatteryRealtime / 1000, whichBatteryUptime / 1000,
                  totalRealtime / 1000, totalUptime / 1000,
                  getStartClockTime(),
                  whichBatteryScreenOffRealtime / 1000, whichBatteryScreenOffUptime / 1000,
                  getEstimatedBatteryCapacity(),
                  getMinLearnedBatteryCapacity(), getMaxLearnedBatteryCapacity(),
                  screenDozeTime / 1000);
  
  
          // Calculate wakelock times across all uids.
          long fullWakeLockTimeTotal = 0;
          long partialWakeLockTimeTotal = 0;
  
          for (int iu = 0; iu < NU; iu++) {
              final Uid u = uidStats.valueAt(iu);
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Wakelock> wakelocks
                      = u.getWakelockStats();
              for (int iw=wakelocks.size()-1; iw>=0; iw--) {
                  final Uid.Wakelock wl = wakelocks.valueAt(iw);
  
                  final Timer fullWakeTimer = wl.getWakeTime(WAKE_TYPE_FULL);
                  if (fullWakeTimer != null) {
                      fullWakeLockTimeTotal += fullWakeTimer.getTotalTimeLocked(rawRealtime,
                              which);
                  }
  
                  final Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
                  if (partialWakeTimer != null) {
                      partialWakeLockTimeTotal += partialWakeTimer.getTotalTimeLocked(
                          rawRealtime, which);
                  }
              }
          }
  
          // Dump network stats
          final long mobileRxTotalBytes = getNetworkActivityBytes(NETWORK_MOBILE_RX_DATA, which);
          final long mobileTxTotalBytes = getNetworkActivityBytes(NETWORK_MOBILE_TX_DATA, which);
          final long wifiRxTotalBytes = getNetworkActivityBytes(NETWORK_WIFI_RX_DATA, which);
          final long wifiTxTotalBytes = getNetworkActivityBytes(NETWORK_WIFI_TX_DATA, which);
          final long mobileRxTotalPackets = getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, which);
          final long mobileTxTotalPackets = getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, which);
          final long wifiRxTotalPackets = getNetworkActivityPackets(NETWORK_WIFI_RX_DATA, which);
          final long wifiTxTotalPackets = getNetworkActivityPackets(NETWORK_WIFI_TX_DATA, which);
          final long btRxTotalBytes = getNetworkActivityBytes(NETWORK_BT_RX_DATA, which);
          final long btTxTotalBytes = getNetworkActivityBytes(NETWORK_BT_TX_DATA, which);
          dumpLine(pw, 0 /* uid */, category, GLOBAL_NETWORK_DATA,
                  mobileRxTotalBytes, mobileTxTotalBytes, wifiRxTotalBytes, wifiTxTotalBytes,
                  mobileRxTotalPackets, mobileTxTotalPackets, wifiRxTotalPackets, wifiTxTotalPackets,
                  btRxTotalBytes, btTxTotalBytes);
  
          // Dump Modem controller stats
          dumpControllerActivityLine(pw, 0 /* uid */, category, GLOBAL_MODEM_CONTROLLER_DATA,
                  getModemControllerActivity(), which);
  
          // Dump Wifi controller stats
          final long wifiOnTime = getWifiOnTime(rawRealtime, which);
          final long wifiRunningTime = getGlobalWifiRunningTime(rawRealtime, which);
          dumpLine(pw, 0 /* uid */, category, GLOBAL_WIFI_DATA, wifiOnTime / 1000,
                  wifiRunningTime / 1000, /* legacy fields follow, keep at 0 */ 0, 0, 0);
  
          dumpControllerActivityLine(pw, 0 /* uid */, category, GLOBAL_WIFI_CONTROLLER_DATA,
                  getWifiControllerActivity(), which);
  
          // Dump Bluetooth controller stats
          dumpControllerActivityLine(pw, 0 /* uid */, category, GLOBAL_BLUETOOTH_CONTROLLER_DATA,
                  getBluetoothControllerActivity(), which);
  
          // Dump misc stats
          dumpLine(pw, 0 /* uid */, category, MISC_DATA,
                  screenOnTime / 1000, phoneOnTime / 1000,
                  fullWakeLockTimeTotal / 1000, partialWakeLockTimeTotal / 1000,
                  getMobileRadioActiveTime(rawRealtime, which) / 1000,
                  getMobileRadioActiveAdjustedTime(which) / 1000, interactiveTime / 1000,
                  powerSaveModeEnabledTime / 1000, connChanges, deviceIdleModeFullTime / 1000,
                  getDeviceIdleModeCount(DEVICE_IDLE_MODE_DEEP, which), deviceIdlingTime / 1000,
                  getDeviceIdlingCount(DEVICE_IDLE_MODE_DEEP, which),
                  getMobileRadioActiveCount(which),
                  getMobileRadioActiveUnknownTime(which) / 1000, deviceIdleModeLightTime / 1000,
                  getDeviceIdleModeCount(DEVICE_IDLE_MODE_LIGHT, which), deviceLightIdlingTime / 1000,
                  getDeviceIdlingCount(DEVICE_IDLE_MODE_LIGHT, which),
                  getLongestDeviceIdleModeTime(DEVICE_IDLE_MODE_LIGHT),
                  getLongestDeviceIdleModeTime(DEVICE_IDLE_MODE_DEEP));
  
          // Dump screen brightness stats
          Object[] args = new Object[NUM_SCREEN_BRIGHTNESS_BINS];
          for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
              args[i] = getScreenBrightnessTime(i, rawRealtime, which) / 1000;
          }
          dumpLine(pw, 0 /* uid */, category, SCREEN_BRIGHTNESS_DATA, args);
  
          // Dump signal strength stats
          args = new Object[SignalStrength.NUM_SIGNAL_STRENGTH_BINS];
          for (int i=0; i<SignalStrength.NUM_SIGNAL_STRENGTH_BINS; i++) {
              args[i] = getPhoneSignalStrengthTime(i, rawRealtime, which) / 1000;
          }
          dumpLine(pw, 0 /* uid */, category, SIGNAL_STRENGTH_TIME_DATA, args);
          dumpLine(pw, 0 /* uid */, category, SIGNAL_SCANNING_TIME_DATA,
                  getPhoneSignalScanningTime(rawRealtime, which) / 1000);
          for (int i=0; i<SignalStrength.NUM_SIGNAL_STRENGTH_BINS; i++) {
              args[i] = getPhoneSignalStrengthCount(i, which);
          }
          dumpLine(pw, 0 /* uid */, category, SIGNAL_STRENGTH_COUNT_DATA, args);
  
          // Dump network type stats
          args = new Object[NUM_DATA_CONNECTION_TYPES];
          for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
              args[i] = getPhoneDataConnectionTime(i, rawRealtime, which) / 1000;
          }
          dumpLine(pw, 0 /* uid */, category, DATA_CONNECTION_TIME_DATA, args);
          for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
              args[i] = getPhoneDataConnectionCount(i, which);
          }
          dumpLine(pw, 0 /* uid */, category, DATA_CONNECTION_COUNT_DATA, args);
  
          // Dump wifi state stats
          args = new Object[NUM_WIFI_STATES];
          for (int i=0; i<NUM_WIFI_STATES; i++) {
              args[i] = getWifiStateTime(i, rawRealtime, which) / 1000;
          }
          dumpLine(pw, 0 /* uid */, category, WIFI_STATE_TIME_DATA, args);
          for (int i=0; i<NUM_WIFI_STATES; i++) {
              args[i] = getWifiStateCount(i, which);
          }
          dumpLine(pw, 0 /* uid */, category, WIFI_STATE_COUNT_DATA, args);
  
          // Dump wifi suppl state stats
          args = new Object[NUM_WIFI_SUPPL_STATES];
          for (int i=0; i<NUM_WIFI_SUPPL_STATES; i++) {
              args[i] = getWifiSupplStateTime(i, rawRealtime, which) / 1000;
          }
          dumpLine(pw, 0 /* uid */, category, WIFI_SUPPL_STATE_TIME_DATA, args);
          for (int i=0; i<NUM_WIFI_SUPPL_STATES; i++) {
              args[i] = getWifiSupplStateCount(i, which);
          }
          dumpLine(pw, 0 /* uid */, category, WIFI_SUPPL_STATE_COUNT_DATA, args);
  
          // Dump wifi signal strength stats
          args = new Object[NUM_WIFI_SIGNAL_STRENGTH_BINS];
          for (int i=0; i<NUM_WIFI_SIGNAL_STRENGTH_BINS; i++) {
              args[i] = getWifiSignalStrengthTime(i, rawRealtime, which) / 1000;
          }
          dumpLine(pw, 0 /* uid */, category, WIFI_SIGNAL_STRENGTH_TIME_DATA, args);
          for (int i=0; i<NUM_WIFI_SIGNAL_STRENGTH_BINS; i++) {
              args[i] = getWifiSignalStrengthCount(i, which);
          }
          dumpLine(pw, 0 /* uid */, category, WIFI_SIGNAL_STRENGTH_COUNT_DATA, args);
  
          // Dump Multicast total stats
          final long multicastWakeLockTimeTotalMicros =
                  getWifiMulticastWakelockTime(rawRealtime, which);
          final int multicastWakeLockCountTotal = getWifiMulticastWakelockCount(which);
          dumpLine(pw, 0 /* uid */, category, WIFI_MULTICAST_TOTAL_DATA,
                  multicastWakeLockTimeTotalMicros / 1000,
                  multicastWakeLockCountTotal);
  
          dumpLine(pw, 0 /* uid */, category, BATTERY_DISCHARGE_DATA,
                  getLowDischargeAmountSinceCharge(), getHighDischargeAmountSinceCharge(),
                  getDischargeAmountScreenOnSinceCharge(),
                  getDischargeAmountScreenOffSinceCharge(),
                  dischargeCount / 1000, dischargeScreenOffCount / 1000,
                  getDischargeAmountScreenDozeSinceCharge(), dischargeScreenDozeCount / 1000,
                  dischargeLightDozeCount / 1000, dischargeDeepDozeCount / 1000);
  
          if (reqUid < 0) {
              final Map<String, ? extends Timer> kernelWakelocks = getKernelWakelockStats();
              if (kernelWakelocks.size() > 0) {
                  for (Map.Entry<String, ? extends Timer> ent : kernelWakelocks.entrySet()) {
                      sb.setLength(0);
                      printWakeLockCheckin(sb, ent.getValue(), rawRealtime, null, which, "");
                      dumpLine(pw, 0 /* uid */, category, KERNEL_WAKELOCK_DATA,
                              "\"" + ent.getKey() + "\"", sb.toString());
                  }
              }
              final Map<String, ? extends Timer> wakeupReasons = getWakeupReasonStats();
              if (wakeupReasons.size() > 0) {
                  for (Map.Entry<String, ? extends Timer> ent : wakeupReasons.entrySet()) {
                      // Not doing the regular wake lock formatting to remain compatible
                      // with the old checkin format.
                      long totalTimeMicros = ent.getValue().getTotalTimeLocked(rawRealtime, which);
                      int count = ent.getValue().getCountLocked(which);
                      dumpLine(pw, 0 /* uid */, category, WAKEUP_REASON_DATA,
                              "\"" + ent.getKey() + "\"", (totalTimeMicros + 500) / 1000, count);
                  }
              }
          }
  
          final Map<String, ? extends Timer> rpmStats = getRpmStats();
          final Map<String, ? extends Timer> screenOffRpmStats = getScreenOffRpmStats();
          if (rpmStats.size() > 0) {
              for (Map.Entry<String, ? extends Timer> ent : rpmStats.entrySet()) {
                  sb.setLength(0);
                  Timer totalTimer = ent.getValue();
                  long timeMs = (totalTimer.getTotalTimeLocked(rawRealtime, which) + 500) / 1000;
                  int count = totalTimer.getCountLocked(which);
                  Timer screenOffTimer = screenOffRpmStats.get(ent.getKey());
                  long screenOffTimeMs = screenOffTimer != null
                          ? (screenOffTimer.getTotalTimeLocked(rawRealtime, which) + 500) / 1000 : 0;
                  int screenOffCount = screenOffTimer != null
                          ? screenOffTimer.getCountLocked(which) : 0;
                  if (SCREEN_OFF_RPM_STATS_ENABLED) {
                      dumpLine(pw, 0 /* uid */, category, RESOURCE_POWER_MANAGER_DATA,
                              "\"" + ent.getKey() + "\"", timeMs, count, screenOffTimeMs,
                              screenOffCount);
                  } else {
                      dumpLine(pw, 0 /* uid */, category, RESOURCE_POWER_MANAGER_DATA,
                              "\"" + ent.getKey() + "\"", timeMs, count);
                  }
              }
          }
  
          final BatteryStatsHelper helper = new BatteryStatsHelper(context, false, wifiOnly);
          helper.create(this);
          helper.refreshStats(which, UserHandle.USER_ALL);
          final List<BatterySipper> sippers = helper.getUsageList();
          if (sippers != null && sippers.size() > 0) {
              dumpLine(pw, 0 /* uid */, category, POWER_USE_SUMMARY_DATA,
                      BatteryStatsHelper.makemAh(helper.getPowerProfile().getBatteryCapacity()),
                      BatteryStatsHelper.makemAh(helper.getComputedPower()),
                      BatteryStatsHelper.makemAh(helper.getMinDrainedPower()),
                      BatteryStatsHelper.makemAh(helper.getMaxDrainedPower()));
              int uid = 0;
              for (int i=0; i<sippers.size(); i++) {
                  final BatterySipper bs = sippers.get(i);
                  String label;
                  switch (bs.drainType) {
                      case AMBIENT_DISPLAY:
                          label = "ambi";
                          break;
                      case IDLE:
                          label="idle";
                          break;
                      case CELL:
                          label="cell";
                          break;
                      case PHONE:
                          label="phone";
                          break;
                      case WIFI:
                          label="wifi";
                          break;
                      case BLUETOOTH:
                          label="blue";
                          break;
                      case SCREEN:
                          label="scrn";
                          break;
                      case FLASHLIGHT:
                          label="flashlight";
                          break;
                      case APP:
                          uid = bs.uidObj.getUid();
                          label = "uid";
                          break;
                      case USER:
                          uid = UserHandle.getUid(bs.userId, 0);
                          label = "user";
                          break;
                      case UNACCOUNTED:
                          label = "unacc";
                          break;
                      case OVERCOUNTED:
                          label = "over";
                          break;
                      case CAMERA:
                          label = "camera";
                          break;
                      case MEMORY:
                          label = "memory";
                          break;
                      default:
                          label = "???";
                  }
                  dumpLine(pw, uid, category, POWER_USE_ITEM_DATA, label,
                          BatteryStatsHelper.makemAh(bs.totalPowerMah),
                          bs.shouldHide ? 1 : 0,
                          BatteryStatsHelper.makemAh(bs.screenPowerMah),
                          BatteryStatsHelper.makemAh(bs.proportionalSmearMah));
              }
          }
  
          final long[] cpuFreqs = getCpuFreqs();
          if (cpuFreqs != null) {
              sb.setLength(0);
              for (int i = 0; i < cpuFreqs.length; ++i) {
                  sb.append((i == 0 ? "" : ",") + cpuFreqs[i]);
              }
              dumpLine(pw, 0 /* uid */, category, GLOBAL_CPU_FREQ_DATA, sb.toString());
          }
  
          // Dump stats per UID.
          for (int iu = 0; iu < NU; iu++) {
              final int uid = uidStats.keyAt(iu);
              if (reqUid >= 0 && uid != reqUid) {
                  continue;
              }
              final Uid u = uidStats.valueAt(iu);
  
              // Dump Network stats per uid, if any
              final long mobileBytesRx = u.getNetworkActivityBytes(NETWORK_MOBILE_RX_DATA, which);
              final long mobileBytesTx = u.getNetworkActivityBytes(NETWORK_MOBILE_TX_DATA, which);
              final long wifiBytesRx = u.getNetworkActivityBytes(NETWORK_WIFI_RX_DATA, which);
              final long wifiBytesTx = u.getNetworkActivityBytes(NETWORK_WIFI_TX_DATA, which);
              final long mobilePacketsRx = u.getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, which);
              final long mobilePacketsTx = u.getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, which);
              final long mobileActiveTime = u.getMobileRadioActiveTime(which);
              final int mobileActiveCount = u.getMobileRadioActiveCount(which);
              final long mobileWakeup = u.getMobileRadioApWakeupCount(which);
              final long wifiPacketsRx = u.getNetworkActivityPackets(NETWORK_WIFI_RX_DATA, which);
              final long wifiPacketsTx = u.getNetworkActivityPackets(NETWORK_WIFI_TX_DATA, which);
              final long wifiWakeup = u.getWifiRadioApWakeupCount(which);
              final long btBytesRx = u.getNetworkActivityBytes(NETWORK_BT_RX_DATA, which);
              final long btBytesTx = u.getNetworkActivityBytes(NETWORK_BT_TX_DATA, which);
              // Background data transfers
              final long mobileBytesBgRx = u.getNetworkActivityBytes(NETWORK_MOBILE_BG_RX_DATA,
                      which);
              final long mobileBytesBgTx = u.getNetworkActivityBytes(NETWORK_MOBILE_BG_TX_DATA,
                      which);
              final long wifiBytesBgRx = u.getNetworkActivityBytes(NETWORK_WIFI_BG_RX_DATA, which);
              final long wifiBytesBgTx = u.getNetworkActivityBytes(NETWORK_WIFI_BG_TX_DATA, which);
              final long mobilePacketsBgRx = u.getNetworkActivityPackets(NETWORK_MOBILE_BG_RX_DATA,
                      which);
              final long mobilePacketsBgTx = u.getNetworkActivityPackets(NETWORK_MOBILE_BG_TX_DATA,
                      which);
              final long wifiPacketsBgRx = u.getNetworkActivityPackets(NETWORK_WIFI_BG_RX_DATA,
                      which);
              final long wifiPacketsBgTx = u.getNetworkActivityPackets(NETWORK_WIFI_BG_TX_DATA,
                      which);
  
              if (mobileBytesRx > 0 || mobileBytesTx > 0 || wifiBytesRx > 0 || wifiBytesTx > 0
                      || mobilePacketsRx > 0 || mobilePacketsTx > 0 || wifiPacketsRx > 0
                      || wifiPacketsTx > 0 || mobileActiveTime > 0 || mobileActiveCount > 0
                      || btBytesRx > 0 || btBytesTx > 0 || mobileWakeup > 0 || wifiWakeup > 0
                      || mobileBytesBgRx > 0 || mobileBytesBgTx > 0 || wifiBytesBgRx > 0
                      || wifiBytesBgTx > 0
                      || mobilePacketsBgRx > 0 || mobilePacketsBgTx > 0 || wifiPacketsBgRx > 0
                      || wifiPacketsBgTx > 0) {
                  dumpLine(pw, uid, category, NETWORK_DATA, mobileBytesRx, mobileBytesTx,
                          wifiBytesRx, wifiBytesTx,
                          mobilePacketsRx, mobilePacketsTx,
                          wifiPacketsRx, wifiPacketsTx,
                          mobileActiveTime, mobileActiveCount,
                          btBytesRx, btBytesTx, mobileWakeup, wifiWakeup,
                          mobileBytesBgRx, mobileBytesBgTx, wifiBytesBgRx, wifiBytesBgTx,
                          mobilePacketsBgRx, mobilePacketsBgTx, wifiPacketsBgRx, wifiPacketsBgTx
                          );
              }
  
              // Dump modem controller data, per UID.
              dumpControllerActivityLine(pw, uid, category, MODEM_CONTROLLER_DATA,
                      u.getModemControllerActivity(), which);
  
              // Dump Wifi controller data, per UID.
              final long fullWifiLockOnTime = u.getFullWifiLockTime(rawRealtime, which);
              final long wifiScanTime = u.getWifiScanTime(rawRealtime, which);
              final int wifiScanCount = u.getWifiScanCount(which);
              final int wifiScanCountBg = u.getWifiScanBackgroundCount(which);
              // Note that 'ActualTime' are unpooled and always since reset (regardless of 'which')
              final long wifiScanActualTimeMs = (u.getWifiScanActualTime(rawRealtime) + 500) / 1000;
              final long wifiScanActualTimeMsBg = (u.getWifiScanBackgroundTime(rawRealtime) + 500)
                      / 1000;
              final long uidWifiRunningTime = u.getWifiRunningTime(rawRealtime, which);
              if (fullWifiLockOnTime != 0 || wifiScanTime != 0 || wifiScanCount != 0
                      || wifiScanCountBg != 0 || wifiScanActualTimeMs != 0
                      || wifiScanActualTimeMsBg != 0 || uidWifiRunningTime != 0) {
                  dumpLine(pw, uid, category, WIFI_DATA, fullWifiLockOnTime, wifiScanTime,
                          uidWifiRunningTime, wifiScanCount,
                          /* legacy fields follow, keep at 0 */ 0, 0, 0,
                          wifiScanCountBg, wifiScanActualTimeMs, wifiScanActualTimeMsBg);
              }
  
              dumpControllerActivityLine(pw, uid, category, WIFI_CONTROLLER_DATA,
                      u.getWifiControllerActivity(), which);
  
              final Timer bleTimer = u.getBluetoothScanTimer();
              if (bleTimer != null) {
                  // Convert from microseconds to milliseconds with rounding
                  final long totalTime = (bleTimer.getTotalTimeLocked(rawRealtime, which) + 500)
                          / 1000;
                  if (totalTime != 0) {
                      final int count = bleTimer.getCountLocked(which);
                      final Timer bleTimerBg = u.getBluetoothScanBackgroundTimer();
                      final int countBg = bleTimerBg != null ? bleTimerBg.getCountLocked(which) : 0;
                      // 'actualTime' are unpooled and always since reset (regardless of 'which')
                      final long actualTime = bleTimer.getTotalDurationMsLocked(rawRealtimeMs);
                      final long actualTimeBg = bleTimerBg != null ?
                              bleTimerBg.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                      // Result counters
                      final int resultCount = u.getBluetoothScanResultCounter() != null ?
                              u.getBluetoothScanResultCounter().getCountLocked(which) : 0;
                      final int resultCountBg = u.getBluetoothScanResultBgCounter() != null ?
                              u.getBluetoothScanResultBgCounter().getCountLocked(which) : 0;
                      // Unoptimized scan timer. Unpooled and since reset (regardless of 'which').
                      final Timer unoptimizedScanTimer = u.getBluetoothUnoptimizedScanTimer();
                      final long unoptimizedScanTotalTime = unoptimizedScanTimer != null ?
                              unoptimizedScanTimer.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                      final long unoptimizedScanMaxTime = unoptimizedScanTimer != null ?
                              unoptimizedScanTimer.getMaxDurationMsLocked(rawRealtimeMs) : 0;
                      // Unoptimized bg scan timer. Unpooled and since reset (regardless of 'which').
                      final Timer unoptimizedScanTimerBg =
                              u.getBluetoothUnoptimizedScanBackgroundTimer();
                      final long unoptimizedScanTotalTimeBg = unoptimizedScanTimerBg != null ?
                              unoptimizedScanTimerBg.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                      final long unoptimizedScanMaxTimeBg = unoptimizedScanTimerBg != null ?
                              unoptimizedScanTimerBg.getMaxDurationMsLocked(rawRealtimeMs) : 0;
  
                      dumpLine(pw, uid, category, BLUETOOTH_MISC_DATA, totalTime, count,
                              countBg, actualTime, actualTimeBg, resultCount, resultCountBg,
                              unoptimizedScanTotalTime, unoptimizedScanTotalTimeBg,
                              unoptimizedScanMaxTime, unoptimizedScanMaxTimeBg);
                  }
              }
  
              dumpControllerActivityLine(pw, uid, category, BLUETOOTH_CONTROLLER_DATA,
                      u.getBluetoothControllerActivity(), which);
  
              if (u.hasUserActivity()) {
                  args = new Object[Uid.NUM_USER_ACTIVITY_TYPES];
                  boolean hasData = false;
                  for (int i=0; i<Uid.NUM_USER_ACTIVITY_TYPES; i++) {
                      int val = u.getUserActivityCount(i, which);
                      args[i] = val;
                      if (val != 0) hasData = true;
                  }
                  if (hasData) {
                      dumpLine(pw, uid /* uid */, category, USER_ACTIVITY_DATA, args);
                  }
              }
  
              if (u.getAggregatedPartialWakelockTimer() != null) {
                  final Timer timer = u.getAggregatedPartialWakelockTimer();
                  // Times are since reset (regardless of 'which')
                  final long totTimeMs = timer.getTotalDurationMsLocked(rawRealtimeMs);
                  final Timer bgTimer = timer.getSubTimer();
                  final long bgTimeMs = bgTimer != null ?
                          bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                  dumpLine(pw, uid, category, AGGREGATED_WAKELOCK_DATA, totTimeMs, bgTimeMs);
              }
  
              final ArrayMap<String, ? extends Uid.Wakelock> wakelocks = u.getWakelockStats();
              for (int iw=wakelocks.size()-1; iw>=0; iw--) {
                  final Uid.Wakelock wl = wakelocks.valueAt(iw);
                  String linePrefix = "";
                  sb.setLength(0);
                  linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_FULL),
                          rawRealtime, "f", which, linePrefix);
                  final Timer pTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
                  linePrefix = printWakeLockCheckin(sb, pTimer,
                          rawRealtime, "p", which, linePrefix);
                  linePrefix = printWakeLockCheckin(sb, pTimer != null ? pTimer.getSubTimer() : null,
                          rawRealtime, "bp", which, linePrefix);
                  linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_WINDOW),
                          rawRealtime, "w", which, linePrefix);
  
                  // Only log if we had at least one wakelock...
                  if (sb.length() > 0) {
                      String name = wakelocks.keyAt(iw);
                      if (name.indexOf(',') >= 0) {
                          name = name.replace(',', '_');
                      }
                      if (name.indexOf('\n') >= 0) {
                          name = name.replace('\n', '_');
                      }
                      if (name.indexOf('\r') >= 0) {
                          name = name.replace('\r', '_');
                      }
                      dumpLine(pw, uid, category, WAKELOCK_DATA, name, sb.toString());
                  }
              }
  
              // WiFi Multicast Wakelock Statistics
              final Timer mcTimer = u.getMulticastWakelockStats();
              if (mcTimer != null) {
                  final long totalMcWakelockTimeMs =
                          mcTimer.getTotalTimeLocked(rawRealtime, which) / 1000 ;
                  final int countMcWakelock = mcTimer.getCountLocked(which);
                  if(totalMcWakelockTimeMs > 0) {
                      dumpLine(pw, uid, category, WIFI_MULTICAST_DATA,
                              totalMcWakelockTimeMs, countMcWakelock);
                  }
              }
  
              final ArrayMap<String, ? extends Timer> syncs = u.getSyncStats();
              for (int isy=syncs.size()-1; isy>=0; isy--) {
                  final Timer timer = syncs.valueAt(isy);
                  // Convert from microseconds to milliseconds with rounding
                  final long totalTime = (timer.getTotalTimeLocked(rawRealtime, which) + 500) / 1000;
                  final int count = timer.getCountLocked(which);
                  final Timer bgTimer = timer.getSubTimer();
                  final long bgTime = bgTimer != null ?
                          bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : -1;
                  final int bgCount = bgTimer != null ? bgTimer.getCountLocked(which) : -1;
                  if (totalTime != 0) {
                      dumpLine(pw, uid, category, SYNC_DATA, "\"" + syncs.keyAt(isy) + "\"",
                              totalTime, count, bgTime, bgCount);
                  }
              }
  
              final ArrayMap<String, ? extends Timer> jobs = u.getJobStats();
              for (int ij=jobs.size()-1; ij>=0; ij--) {
                  final Timer timer = jobs.valueAt(ij);
                  // Convert from microseconds to milliseconds with rounding
                  final long totalTime = (timer.getTotalTimeLocked(rawRealtime, which) + 500) / 1000;
                  final int count = timer.getCountLocked(which);
                  final Timer bgTimer = timer.getSubTimer();
                  final long bgTime = bgTimer != null ?
                          bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : -1;
                  final int bgCount = bgTimer != null ? bgTimer.getCountLocked(which) : -1;
                  if (totalTime != 0) {
                      dumpLine(pw, uid, category, JOB_DATA, "\"" + jobs.keyAt(ij) + "\"",
                              totalTime, count, bgTime, bgCount);
                  }
              }
  
              final ArrayMap<String, SparseIntArray> completions = u.getJobCompletionStats();
              for (int ic=completions.size()-1; ic>=0; ic--) {
                  SparseIntArray types = completions.valueAt(ic);
                  if (types != null) {
                      dumpLine(pw, uid, category, JOB_COMPLETION_DATA,
                              "\"" + completions.keyAt(ic) + "\"",
                              types.get(JobParameters.REASON_CANCELED, 0),
                              types.get(JobParameters.REASON_CONSTRAINTS_NOT_SATISFIED, 0),
                              types.get(JobParameters.REASON_PREEMPT, 0),
                              types.get(JobParameters.REASON_TIMEOUT, 0),
                              types.get(JobParameters.REASON_DEVICE_IDLE, 0));
                  }
              }
  
              // Dump deferred jobs stats
              u.getDeferredJobsCheckinLineLocked(sb, which);
              if (sb.length() > 0) {
                  dumpLine(pw, uid, category, JOBS_DEFERRED_DATA, sb.toString());
              }
  
              dumpTimer(pw, uid, category, FLASHLIGHT_DATA, u.getFlashlightTurnedOnTimer(),
                      rawRealtime, which);
              dumpTimer(pw, uid, category, CAMERA_DATA, u.getCameraTurnedOnTimer(),
                      rawRealtime, which);
              dumpTimer(pw, uid, category, VIDEO_DATA, u.getVideoTurnedOnTimer(),
                      rawRealtime, which);
              dumpTimer(pw, uid, category, AUDIO_DATA, u.getAudioTurnedOnTimer(),
                      rawRealtime, which);
  
              final SparseArray<? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
              final int NSE = sensors.size();
              for (int ise=0; ise<NSE; ise++) {
                  final Uid.Sensor se = sensors.valueAt(ise);
                  final int sensorNumber = sensors.keyAt(ise);
                  final Timer timer = se.getSensorTime();
                  if (timer != null) {
                      // Convert from microseconds to milliseconds with rounding
                      final long totalTime = (timer.getTotalTimeLocked(rawRealtime, which) + 500)
                              / 1000;
                      if (totalTime != 0) {
                          final int count = timer.getCountLocked(which);
                          final Timer bgTimer = se.getSensorBackgroundTime();
                          final int bgCount = bgTimer != null ? bgTimer.getCountLocked(which) : 0;
                          // 'actualTime' are unpooled and always since reset (regardless of 'which')
                          final long actualTime = timer.getTotalDurationMsLocked(rawRealtimeMs);
                          final long bgActualTime = bgTimer != null ?
                                  bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                          dumpLine(pw, uid, category, SENSOR_DATA, sensorNumber, totalTime,
                                  count, bgCount, actualTime, bgActualTime);
                      }
                  }
              }
  
              dumpTimer(pw, uid, category, VIBRATOR_DATA, u.getVibratorOnTimer(),
                      rawRealtime, which);
  
              dumpTimer(pw, uid, category, FOREGROUND_ACTIVITY_DATA, u.getForegroundActivityTimer(),
                      rawRealtime, which);
  
              dumpTimer(pw, uid, category, FOREGROUND_SERVICE_DATA, u.getForegroundServiceTimer(),
                      rawRealtime, which);
  
              final Object[] stateTimes = new Object[Uid.NUM_PROCESS_STATE];
              long totalStateTime = 0;
              for (int ips=0; ips<Uid.NUM_PROCESS_STATE; ips++) {
                  final long time = u.getProcessStateTime(ips, rawRealtime, which);
                  totalStateTime += time;
                  stateTimes[ips] = (time + 500) / 1000;
              }
              if (totalStateTime > 0) {
                  dumpLine(pw, uid, category, STATE_TIME_DATA, stateTimes);
              }
  
              final long userCpuTimeUs = u.getUserCpuTimeUs(which);
              final long systemCpuTimeUs = u.getSystemCpuTimeUs(which);
              if (userCpuTimeUs > 0 || systemCpuTimeUs > 0) {
                  dumpLine(pw, uid, category, CPU_DATA, userCpuTimeUs / 1000, systemCpuTimeUs / 1000,
                          0 /* old cpu power, keep for compatibility */);
              }
  
              // If the cpuFreqs is null, then don't bother checking for cpu freq times.
              if (cpuFreqs != null) {
                  final long[] cpuFreqTimeMs = u.getCpuFreqTimes(which);
                  // If total cpuFreqTimes is null, then we don't need to check for
                  // screenOffCpuFreqTimes.
                  if (cpuFreqTimeMs != null && cpuFreqTimeMs.length == cpuFreqs.length) {
                      sb.setLength(0);
                      for (int i = 0; i < cpuFreqTimeMs.length; ++i) {
                          sb.append((i == 0 ? "" : ",") + cpuFreqTimeMs[i]);
                      }
                      final long[] screenOffCpuFreqTimeMs = u.getScreenOffCpuFreqTimes(which);
                      if (screenOffCpuFreqTimeMs != null) {
                          for (int i = 0; i < screenOffCpuFreqTimeMs.length; ++i) {
                              sb.append("," + screenOffCpuFreqTimeMs[i]);
                          }
                      } else {
                          for (int i = 0; i < cpuFreqTimeMs.length; ++i) {
                              sb.append(",0");
                          }
                      }
                      dumpLine(pw, uid, category, CPU_TIMES_AT_FREQ_DATA, UID_TIMES_TYPE_ALL,
                              cpuFreqTimeMs.length, sb.toString());
                  }
  
                  for (int procState = 0; procState < Uid.NUM_PROCESS_STATE; ++procState) {
                      final long[] timesMs = u.getCpuFreqTimes(which, procState);
                      if (timesMs != null && timesMs.length == cpuFreqs.length) {
                          sb.setLength(0);
                          for (int i = 0; i < timesMs.length; ++i) {
                              sb.append((i == 0 ? "" : ",") + timesMs[i]);
                          }
                          final long[] screenOffTimesMs = u.getScreenOffCpuFreqTimes(
                                  which, procState);
                          if (screenOffTimesMs != null) {
                              for (int i = 0; i < screenOffTimesMs.length; ++i) {
                                  sb.append("," + screenOffTimesMs[i]);
                              }
                          } else {
                              for (int i = 0; i < timesMs.length; ++i) {
                                  sb.append(",0");
                              }
                          }
                          dumpLine(pw, uid, category, CPU_TIMES_AT_FREQ_DATA,
                                  Uid.UID_PROCESS_TYPES[procState], timesMs.length, sb.toString());
                      }
                  }
              }
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Proc> processStats
                      = u.getProcessStats();
              for (int ipr=processStats.size()-1; ipr>=0; ipr--) {
                  final Uid.Proc ps = processStats.valueAt(ipr);
  
                  final long userMillis = ps.getUserTime(which);
                  final long systemMillis = ps.getSystemTime(which);
                  final long foregroundMillis = ps.getForegroundTime(which);
                  final int starts = ps.getStarts(which);
                  final int numCrashes = ps.getNumCrashes(which);
                  final int numAnrs = ps.getNumAnrs(which);
  
                  if (userMillis != 0 || systemMillis != 0 || foregroundMillis != 0
                          || starts != 0 || numAnrs != 0 || numCrashes != 0) {
                      dumpLine(pw, uid, category, PROCESS_DATA, "\"" + processStats.keyAt(ipr) + "\"",
                              userMillis, systemMillis, foregroundMillis, starts, numAnrs, numCrashes);
                  }
              }
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Pkg> packageStats
                      = u.getPackageStats();
              for (int ipkg=packageStats.size()-1; ipkg>=0; ipkg--) {
                  final Uid.Pkg ps = packageStats.valueAt(ipkg);
                  int wakeups = 0;
                  final ArrayMap<String, ? extends Counter> alarms = ps.getWakeupAlarmStats();
                  for (int iwa=alarms.size()-1; iwa>=0; iwa--) {
                      int count = alarms.valueAt(iwa).getCountLocked(which);
                      wakeups += count;
                      String name = alarms.keyAt(iwa).replace(',', '_');
                      dumpLine(pw, uid, category, WAKEUP_ALARM_DATA, name, count);
                  }
                  final ArrayMap<String, ? extends  Uid.Pkg.Serv> serviceStats = ps.getServiceStats();
                  for (int isvc=serviceStats.size()-1; isvc>=0; isvc--) {
                      final BatteryStats.Uid.Pkg.Serv ss = serviceStats.valueAt(isvc);
                      final long startTime = ss.getStartTime(batteryUptime, which);
                      final int starts = ss.getStarts(which);
                      final int launches = ss.getLaunches(which);
                      if (startTime != 0 || starts != 0 || launches != 0) {
                          dumpLine(pw, uid, category, APK_DATA,
                                  wakeups, // wakeup alarms
                                  packageStats.keyAt(ipkg), // Apk
                                  serviceStats.keyAt(isvc), // service
                                  startTime / 1000, // time spent started, in ms
                                  starts,
                                  launches);
                      }
                  }
              }
          }
      }
  
      static final class TimerEntry {
          final String mName;
          final int mId;
          final BatteryStats.Timer mTimer;
          final long mTime;
          TimerEntry(String name, int id, BatteryStats.Timer timer, long time) {
              mName = name;
              mId = id;
              mTimer = timer;
              mTime = time;
          }
      }
  
      private void printmAh(PrintWriter printer, double power) {
          printer.print(BatteryStatsHelper.makemAh(power));
      }
  
      private void printmAh(StringBuilder sb, double power) {
          sb.append(BatteryStatsHelper.makemAh(power));
      }
  
      /**
       * Temporary for settings.
       */
      public final void dumpLocked(Context context, PrintWriter pw, String prefix, int which,
              int reqUid) {
          dumpLocked(context, pw, prefix, which, reqUid, BatteryStatsHelper.checkWifiOnly(context));
      }
  
      @SuppressWarnings("unused")
      public final void dumpLocked(Context context, PrintWriter pw, String prefix, final int which,
              int reqUid, boolean wifiOnly) {
  
          if (which != BatteryStats.STATS_SINCE_CHARGED) {
              pw.println("ERROR: BatteryStats.dump called for which type " + which
                      + " but only STATS_SINCE_CHARGED is supported");
              return;
          }
  
          final long rawUptime = SystemClock.uptimeMillis() * 1000;
          final long rawRealtime = SystemClock.elapsedRealtime() * 1000;
          final long rawRealtimeMs = (rawRealtime + 500) / 1000;
          final long batteryUptime = getBatteryUptime(rawUptime);
  
          final long whichBatteryUptime = computeBatteryUptime(rawUptime, which);
          final long whichBatteryRealtime = computeBatteryRealtime(rawRealtime, which);
          final long totalRealtime = computeRealtime(rawRealtime, which);
          final long totalUptime = computeUptime(rawUptime, which);
          final long whichBatteryScreenOffUptime = computeBatteryScreenOffUptime(rawUptime, which);
          final long whichBatteryScreenOffRealtime = computeBatteryScreenOffRealtime(rawRealtime,
                  which);
          final long batteryTimeRemaining = computeBatteryTimeRemaining(rawRealtime);
          final long chargeTimeRemaining = computeChargeTimeRemaining(rawRealtime);
          final long screenDozeTime = getScreenDozeTime(rawRealtime, which);
  
          final StringBuilder sb = new StringBuilder(128);
  
          final SparseArray<? extends Uid> uidStats = getUidStats();
          final int NU = uidStats.size();
  
          final int estimatedBatteryCapacity = getEstimatedBatteryCapacity();
          if (estimatedBatteryCapacity > 0) {
              sb.setLength(0);
              sb.append(prefix);
                  sb.append("  Estimated battery capacity: ");
                  sb.append(BatteryStatsHelper.makemAh(estimatedBatteryCapacity));
                  sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          final int minLearnedBatteryCapacity = getMinLearnedBatteryCapacity();
          if (minLearnedBatteryCapacity > 0) {
              sb.setLength(0);
              sb.append(prefix);
                  sb.append("  Min learned battery capacity: ");
                  sb.append(BatteryStatsHelper.makemAh(minLearnedBatteryCapacity / 1000));
                  sb.append(" mAh");
              pw.println(sb.toString());
          }
          final int maxLearnedBatteryCapacity = getMaxLearnedBatteryCapacity();
          if (maxLearnedBatteryCapacity > 0) {
              sb.setLength(0);
              sb.append(prefix);
                  sb.append("  Max learned battery capacity: ");
                  sb.append(BatteryStatsHelper.makemAh(maxLearnedBatteryCapacity / 1000));
                  sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Time on battery: ");
          formatTimeMs(sb, whichBatteryRealtime / 1000); sb.append("(");
          sb.append(formatRatioLocked(whichBatteryRealtime, totalRealtime));
          sb.append(") realtime, ");
          formatTimeMs(sb, whichBatteryUptime / 1000);
          sb.append("("); sb.append(formatRatioLocked(whichBatteryUptime, whichBatteryRealtime));
          sb.append(") uptime");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Time on battery screen off: ");
          formatTimeMs(sb, whichBatteryScreenOffRealtime / 1000); sb.append("(");
          sb.append(formatRatioLocked(whichBatteryScreenOffRealtime, whichBatteryRealtime));
          sb.append(") realtime, ");
          formatTimeMs(sb, whichBatteryScreenOffUptime / 1000);
          sb.append("(");
          sb.append(formatRatioLocked(whichBatteryScreenOffUptime, whichBatteryRealtime));
          sb.append(") uptime");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Time on battery screen doze: ");
          formatTimeMs(sb, screenDozeTime / 1000); sb.append("(");
          sb.append(formatRatioLocked(screenDozeTime, whichBatteryRealtime));
          sb.append(")");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
                  sb.append("  Total run time: ");
                  formatTimeMs(sb, totalRealtime / 1000);
                  sb.append("realtime, ");
                  formatTimeMs(sb, totalUptime / 1000);
                  sb.append("uptime");
          pw.println(sb.toString());
          if (batteryTimeRemaining >= 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Battery time remaining: ");
                      formatTimeMs(sb, batteryTimeRemaining / 1000);
              pw.println(sb.toString());
          }
          if (chargeTimeRemaining >= 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Charge time remaining: ");
                      formatTimeMs(sb, chargeTimeRemaining / 1000);
              pw.println(sb.toString());
          }
  
          final long dischargeCount = getUahDischarge(which);
          if (dischargeCount >= 0) {
              sb.setLength(0);
              sb.append(prefix);
                  sb.append("  Discharge: ");
                  sb.append(BatteryStatsHelper.makemAh(dischargeCount / 1000.0));
                  sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          final long dischargeScreenOffCount = getUahDischargeScreenOff(which);
          if (dischargeScreenOffCount >= 0) {
              sb.setLength(0);
              sb.append(prefix);
                  sb.append("  Screen off discharge: ");
                  sb.append(BatteryStatsHelper.makemAh(dischargeScreenOffCount / 1000.0));
                  sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          final long dischargeScreenDozeCount = getUahDischargeScreenDoze(which);
          if (dischargeScreenDozeCount >= 0) {
              sb.setLength(0);
              sb.append(prefix);
              sb.append("  Screen doze discharge: ");
              sb.append(BatteryStatsHelper.makemAh(dischargeScreenDozeCount / 1000.0));
              sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          final long dischargeScreenOnCount = dischargeCount - dischargeScreenOffCount;
          if (dischargeScreenOnCount >= 0) {
              sb.setLength(0);
              sb.append(prefix);
                  sb.append("  Screen on discharge: ");
                  sb.append(BatteryStatsHelper.makemAh(dischargeScreenOnCount / 1000.0));
                  sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          final long dischargeLightDozeCount = getUahDischargeLightDoze(which);
          if (dischargeLightDozeCount >= 0) {
              sb.setLength(0);
              sb.append(prefix);
              sb.append("  Device light doze discharge: ");
              sb.append(BatteryStatsHelper.makemAh(dischargeLightDozeCount / 1000.0));
              sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          final long dischargeDeepDozeCount = getUahDischargeDeepDoze(which);
          if (dischargeDeepDozeCount >= 0) {
              sb.setLength(0);
              sb.append(prefix);
              sb.append("  Device deep doze discharge: ");
              sb.append(BatteryStatsHelper.makemAh(dischargeDeepDozeCount / 1000.0));
              sb.append(" mAh");
              pw.println(sb.toString());
          }
  
          pw.print("  Start clock time: ");
          pw.println(DateFormat.format("yyyy-MM-dd-HH-mm-ss", getStartClockTime()).toString());
  
          final long screenOnTime = getScreenOnTime(rawRealtime, which);
          final long interactiveTime = getInteractiveTime(rawRealtime, which);
          final long powerSaveModeEnabledTime = getPowerSaveModeEnabledTime(rawRealtime, which);
          final long deviceIdleModeLightTime = getDeviceIdleModeTime(DEVICE_IDLE_MODE_LIGHT,
                  rawRealtime, which);
          final long deviceIdleModeFullTime = getDeviceIdleModeTime(DEVICE_IDLE_MODE_DEEP,
                  rawRealtime, which);
          final long deviceLightIdlingTime = getDeviceIdlingTime(DEVICE_IDLE_MODE_LIGHT,
                  rawRealtime, which);
          final long deviceIdlingTime = getDeviceIdlingTime(DEVICE_IDLE_MODE_DEEP,
                  rawRealtime, which);
          final long phoneOnTime = getPhoneOnTime(rawRealtime, which);
          final long wifiRunningTime = getGlobalWifiRunningTime(rawRealtime, which);
          final long wifiOnTime = getWifiOnTime(rawRealtime, which);
          sb.setLength(0);
          sb.append(prefix);
                  sb.append("  Screen on: "); formatTimeMs(sb, screenOnTime / 1000);
                  sb.append("("); sb.append(formatRatioLocked(screenOnTime, whichBatteryRealtime));
                  sb.append(") "); sb.append(getScreenOnCount(which));
                  sb.append("x, Interactive: "); formatTimeMs(sb, interactiveTime / 1000);
                  sb.append("("); sb.append(formatRatioLocked(interactiveTime, whichBatteryRealtime));
                  sb.append(")");
          pw.println(sb.toString());
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Screen brightnesses:");
          boolean didOne = false;
          for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
              final long time = getScreenBrightnessTime(i, rawRealtime, which);
              if (time == 0) {
                  continue;
              }
              sb.append("\n    ");
              sb.append(prefix);
              didOne = true;
              sb.append(SCREEN_BRIGHTNESS_NAMES[i]);
              sb.append(" ");
              formatTimeMs(sb, time/1000);
              sb.append("(");
              sb.append(formatRatioLocked(time, screenOnTime));
              sb.append(")");
          }
          if (!didOne) sb.append(" (no activity)");
          pw.println(sb.toString());
          if (powerSaveModeEnabledTime != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Power save mode enabled: ");
                      formatTimeMs(sb, powerSaveModeEnabledTime / 1000);
                      sb.append("(");
                      sb.append(formatRatioLocked(powerSaveModeEnabledTime, whichBatteryRealtime));
                      sb.append(")");
              pw.println(sb.toString());
          }
          if (deviceLightIdlingTime != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Device light idling: ");
                      formatTimeMs(sb, deviceLightIdlingTime / 1000);
                      sb.append("(");
                      sb.append(formatRatioLocked(deviceLightIdlingTime, whichBatteryRealtime));
                      sb.append(") "); sb.append(getDeviceIdlingCount(DEVICE_IDLE_MODE_LIGHT, which));
                      sb.append("x");
              pw.println(sb.toString());
          }
          if (deviceIdleModeLightTime != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Idle mode light time: ");
                      formatTimeMs(sb, deviceIdleModeLightTime / 1000);
                      sb.append("(");
                      sb.append(formatRatioLocked(deviceIdleModeLightTime, whichBatteryRealtime));
                      sb.append(") ");
                      sb.append(getDeviceIdleModeCount(DEVICE_IDLE_MODE_LIGHT, which));
                      sb.append("x");
                      sb.append(" -- longest ");
                      formatTimeMs(sb, getLongestDeviceIdleModeTime(DEVICE_IDLE_MODE_LIGHT));
              pw.println(sb.toString());
          }
          if (deviceIdlingTime != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Device full idling: ");
                      formatTimeMs(sb, deviceIdlingTime / 1000);
                      sb.append("(");
                      sb.append(formatRatioLocked(deviceIdlingTime, whichBatteryRealtime));
                      sb.append(") "); sb.append(getDeviceIdlingCount(DEVICE_IDLE_MODE_DEEP, which));
                      sb.append("x");
              pw.println(sb.toString());
          }
          if (deviceIdleModeFullTime != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Idle mode full time: ");
                      formatTimeMs(sb, deviceIdleModeFullTime / 1000);
                      sb.append("(");
                      sb.append(formatRatioLocked(deviceIdleModeFullTime, whichBatteryRealtime));
                      sb.append(") ");
                      sb.append(getDeviceIdleModeCount(DEVICE_IDLE_MODE_DEEP, which));
                      sb.append("x");
                      sb.append(" -- longest ");
                      formatTimeMs(sb, getLongestDeviceIdleModeTime(DEVICE_IDLE_MODE_DEEP));
              pw.println(sb.toString());
          }
          if (phoneOnTime != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Active phone call: "); formatTimeMs(sb, phoneOnTime / 1000);
                      sb.append("("); sb.append(formatRatioLocked(phoneOnTime, whichBatteryRealtime));
                      sb.append(") "); sb.append(getPhoneOnCount(which)); sb.append("x");
          }
          final int connChanges = getNumConnectivityChange(which);
          if (connChanges != 0) {
              pw.print(prefix);
              pw.print("  Connectivity changes: "); pw.println(connChanges);
          }
  
          // Calculate wakelock times across all uids.
          long fullWakeLockTimeTotalMicros = 0;
          long partialWakeLockTimeTotalMicros = 0;
  
          final ArrayList<TimerEntry> timers = new ArrayList<>();
  
          for (int iu = 0; iu < NU; iu++) {
              final Uid u = uidStats.valueAt(iu);
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Wakelock> wakelocks
                      = u.getWakelockStats();
              for (int iw=wakelocks.size()-1; iw>=0; iw--) {
                  final Uid.Wakelock wl = wakelocks.valueAt(iw);
  
                  final Timer fullWakeTimer = wl.getWakeTime(WAKE_TYPE_FULL);
                  if (fullWakeTimer != null) {
                      fullWakeLockTimeTotalMicros += fullWakeTimer.getTotalTimeLocked(
                              rawRealtime, which);
                  }
  
                  final Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
                  if (partialWakeTimer != null) {
                      final long totalTimeMicros = partialWakeTimer.getTotalTimeLocked(
                              rawRealtime, which);
                      if (totalTimeMicros > 0) {
                          if (reqUid < 0) {
                              // Only show the ordered list of all wake
                              // locks if the caller is not asking for data
                              // about a specific uid.
                              timers.add(new TimerEntry(wakelocks.keyAt(iw), u.getUid(),
                                      partialWakeTimer, totalTimeMicros));
                          }
                          partialWakeLockTimeTotalMicros += totalTimeMicros;
                      }
                  }
              }
          }
  
          final long mobileRxTotalBytes = getNetworkActivityBytes(NETWORK_MOBILE_RX_DATA, which);
          final long mobileTxTotalBytes = getNetworkActivityBytes(NETWORK_MOBILE_TX_DATA, which);
          final long wifiRxTotalBytes = getNetworkActivityBytes(NETWORK_WIFI_RX_DATA, which);
          final long wifiTxTotalBytes = getNetworkActivityBytes(NETWORK_WIFI_TX_DATA, which);
          final long mobileRxTotalPackets = getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, which);
          final long mobileTxTotalPackets = getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, which);
          final long wifiRxTotalPackets = getNetworkActivityPackets(NETWORK_WIFI_RX_DATA, which);
          final long wifiTxTotalPackets = getNetworkActivityPackets(NETWORK_WIFI_TX_DATA, which);
          final long btRxTotalBytes = getNetworkActivityBytes(NETWORK_BT_RX_DATA, which);
          final long btTxTotalBytes = getNetworkActivityBytes(NETWORK_BT_TX_DATA, which);
  
          if (fullWakeLockTimeTotalMicros != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Total full wakelock time: "); formatTimeMsNoSpace(sb,
                              (fullWakeLockTimeTotalMicros + 500) / 1000);
              pw.println(sb.toString());
          }
  
          if (partialWakeLockTimeTotalMicros != 0) {
              sb.setLength(0);
              sb.append(prefix);
                      sb.append("  Total partial wakelock time: "); formatTimeMsNoSpace(sb,
                              (partialWakeLockTimeTotalMicros + 500) / 1000);
              pw.println(sb.toString());
          }
  
          final long multicastWakeLockTimeTotalMicros =
                  getWifiMulticastWakelockTime(rawRealtime, which);
          final int multicastWakeLockCountTotal = getWifiMulticastWakelockCount(which);
          if (multicastWakeLockTimeTotalMicros != 0) {
              sb.setLength(0);
              sb.append(prefix);
              sb.append("  Total WiFi Multicast wakelock Count: ");
              sb.append(multicastWakeLockCountTotal);
              pw.println(sb.toString());
  
              sb.setLength(0);
              sb.append(prefix);
              sb.append("  Total WiFi Multicast wakelock time: ");
              formatTimeMsNoSpace(sb, (multicastWakeLockTimeTotalMicros + 500) / 1000);
              pw.println(sb.toString());
          }
  
          pw.println("");
          pw.print(prefix);
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  CONNECTIVITY POWER SUMMARY START");
          pw.println(sb.toString());
  
          pw.print(prefix);
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Logging duration for connectivity statistics: ");
          formatTimeMs(sb, whichBatteryRealtime / 1000);
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Cellular Statistics:");
          pw.println(sb.toString());
  
          pw.print(prefix);
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     Cellular kernel active time: ");
          final long mobileActiveTime = getMobileRadioActiveTime(rawRealtime, which);
          formatTimeMs(sb, mobileActiveTime / 1000);
          sb.append("("); sb.append(formatRatioLocked(mobileActiveTime, whichBatteryRealtime));
          sb.append(")");
          pw.println(sb.toString());
  
          printControllerActivity(pw, sb, prefix, CELLULAR_CONTROLLER_NAME,
                  getModemControllerActivity(), which);
  
          pw.print("     Cellular data received: "); pw.println(formatBytesLocked(mobileRxTotalBytes));
          pw.print("     Cellular data sent: "); pw.println(formatBytesLocked(mobileTxTotalBytes));
          pw.print("     Cellular packets received: "); pw.println(mobileRxTotalPackets);
          pw.print("     Cellular packets sent: "); pw.println(mobileTxTotalPackets);
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     Cellular Radio Access Technology:");
          didOne = false;
          for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
              final long time = getPhoneDataConnectionTime(i, rawRealtime, which);
              if (time == 0) {
                  continue;
              }
              sb.append("\n       ");
              sb.append(prefix);
              didOne = true;
              sb.append(i < DATA_CONNECTION_NAMES.length ? DATA_CONNECTION_NAMES[i] : "ERROR");
              sb.append(" ");
              formatTimeMs(sb, time/1000);
              sb.append("(");
              sb.append(formatRatioLocked(time, whichBatteryRealtime));
              sb.append(") ");
          }
          if (!didOne) sb.append(" (no activity)");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     Cellular Rx signal strength (RSRP):");
          final String[] cellularRxSignalStrengthDescription = new String[]{
              "very poor (less than -128dBm): ",
              "poor (-128dBm to -118dBm): ",
              "moderate (-118dBm to -108dBm): ",
              "good (-108dBm to -98dBm): ",
              "great (greater than -98dBm): "};
          didOne = false;
          final int numCellularRxBins = Math.min(SignalStrength.NUM_SIGNAL_STRENGTH_BINS,
              cellularRxSignalStrengthDescription.length);
          for (int i=0; i<numCellularRxBins; i++) {
              final long time = getPhoneSignalStrengthTime(i, rawRealtime, which);
              if (time == 0) {
                  continue;
              }
              sb.append("\n       ");
              sb.append(prefix);
              didOne = true;
              sb.append(cellularRxSignalStrengthDescription[i]);
              sb.append(" ");
              formatTimeMs(sb, time/1000);
              sb.append("(");
              sb.append(formatRatioLocked(time, whichBatteryRealtime));
              sb.append(") ");
          }
          if (!didOne) sb.append(" (no activity)");
          pw.println(sb.toString());
  
          pw.print(prefix);
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Wifi Statistics:");
          pw.println(sb.toString());
  
          pw.print(prefix);
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     Wifi kernel active time: ");
          final long wifiActiveTime = getWifiActiveTime(rawRealtime, which);
          formatTimeMs(sb, wifiActiveTime / 1000);
          sb.append("("); sb.append(formatRatioLocked(wifiActiveTime, whichBatteryRealtime));
          sb.append(")");
          pw.println(sb.toString());
  
          printControllerActivity(pw, sb, prefix, WIFI_CONTROLLER_NAME,
                  getWifiControllerActivity(), which);
  
          pw.print("     Wifi data received: "); pw.println(formatBytesLocked(wifiRxTotalBytes));
          pw.print("     Wifi data sent: "); pw.println(formatBytesLocked(wifiTxTotalBytes));
          pw.print("     Wifi packets received: "); pw.println(wifiRxTotalPackets);
          pw.print("     Wifi packets sent: "); pw.println(wifiTxTotalPackets);
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     Wifi states:");
          didOne = false;
          for (int i=0; i<NUM_WIFI_STATES; i++) {
              final long time = getWifiStateTime(i, rawRealtime, which);
              if (time == 0) {
                  continue;
              }
              sb.append("\n       ");
              didOne = true;
              sb.append(WIFI_STATE_NAMES[i]);
              sb.append(" ");
              formatTimeMs(sb, time/1000);
              sb.append("(");
              sb.append(formatRatioLocked(time, whichBatteryRealtime));
              sb.append(") ");
          }
          if (!didOne) sb.append(" (no activity)");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     Wifi supplicant states:");
          didOne = false;
          for (int i=0; i<NUM_WIFI_SUPPL_STATES; i++) {
              final long time = getWifiSupplStateTime(i, rawRealtime, which);
              if (time == 0) {
                  continue;
              }
              sb.append("\n       ");
              didOne = true;
              sb.append(WIFI_SUPPL_STATE_NAMES[i]);
              sb.append(" ");
              formatTimeMs(sb, time/1000);
              sb.append("(");
              sb.append(formatRatioLocked(time, whichBatteryRealtime));
              sb.append(") ");
          }
          if (!didOne) sb.append(" (no activity)");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     Wifi Rx signal strength (RSSI):");
          final String[] wifiRxSignalStrengthDescription = new String[]{
              "very poor (less than -88.75dBm): ",
              "poor (-88.75 to -77.5dBm): ",
              "moderate (-77.5dBm to -66.25dBm): ",
              "good (-66.25dBm to -55dBm): ",
              "great (greater than -55dBm): "};
          didOne = false;
          final int numWifiRxBins = Math.min(NUM_WIFI_SIGNAL_STRENGTH_BINS,
              wifiRxSignalStrengthDescription.length);
          for (int i=0; i<numWifiRxBins; i++) {
              final long time = getWifiSignalStrengthTime(i, rawRealtime, which);
              if (time == 0) {
                  continue;
              }
              sb.append("\n    ");
              sb.append(prefix);
              didOne = true;
              sb.append("     ");
              sb.append(wifiRxSignalStrengthDescription[i]);
              formatTimeMs(sb, time/1000);
              sb.append("(");
              sb.append(formatRatioLocked(time, whichBatteryRealtime));
              sb.append(") ");
          }
          if (!didOne) sb.append(" (no activity)");
          pw.println(sb.toString());
  
          pw.print(prefix);
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  GPS Statistics:");
          pw.println(sb.toString());
  
          sb.setLength(0);
          sb.append(prefix);
          sb.append("     GPS signal quality (Top 4 Average CN0):");
          final String[] gpsSignalQualityDescription = new String[]{
              "poor (less than 20 dBHz): ",
              "good (greater than 20 dBHz): "};
          final int numGpsSignalQualityBins = Math.min(GnssMetrics.NUM_GPS_SIGNAL_QUALITY_LEVELS,
              gpsSignalQualityDescription.length);
          for (int i=0; i<numGpsSignalQualityBins; i++) {
              final long time = getGpsSignalQualityTime(i, rawRealtime, which);
              sb.append("\n    ");
              sb.append(prefix);
              sb.append("  ");
              sb.append(gpsSignalQualityDescription[i]);
              formatTimeMs(sb, time/1000);
              sb.append("(");
              sb.append(formatRatioLocked(time, whichBatteryRealtime));
              sb.append(") ");
          }
          pw.println(sb.toString());
  
          final long gpsBatteryDrainMaMs = getGpsBatteryDrainMaMs();
          if (gpsBatteryDrainMaMs > 0) {
              pw.print(prefix);
              sb.setLength(0);
              sb.append(prefix);
              sb.append("     GPS Battery Drain: ");
              sb.append(new DecimalFormat("#.##").format(
                      ((double) gpsBatteryDrainMaMs) / (3600 * 1000)));
              sb.append("mAh");
              pw.println(sb.toString());
          }
  
          pw.print(prefix);
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  CONNECTIVITY POWER SUMMARY END");
          pw.println(sb.toString());
          pw.println("");
  
          pw.print(prefix);
          pw.print("  Bluetooth total received: "); pw.print(formatBytesLocked(btRxTotalBytes));
          pw.print(", sent: "); pw.println(formatBytesLocked(btTxTotalBytes));
  
          final long bluetoothScanTimeMs = getBluetoothScanTime(rawRealtime, which) / 1000;
          sb.setLength(0);
          sb.append(prefix);
          sb.append("  Bluetooth scan time: "); formatTimeMs(sb, bluetoothScanTimeMs);
          pw.println(sb.toString());
  
          printControllerActivity(pw, sb, prefix, "Bluetooth", getBluetoothControllerActivity(),
                  which);
  
          pw.println();
  
          pw.print(prefix); pw.println("  Device battery use since last full charge");
          pw.print(prefix); pw.print("    Amount discharged (lower bound): ");
          pw.println(getLowDischargeAmountSinceCharge());
          pw.print(prefix); pw.print("    Amount discharged (upper bound): ");
          pw.println(getHighDischargeAmountSinceCharge());
          pw.print(prefix); pw.print("    Amount discharged while screen on: ");
          pw.println(getDischargeAmountScreenOnSinceCharge());
          pw.print(prefix); pw.print("    Amount discharged while screen off: ");
          pw.println(getDischargeAmountScreenOffSinceCharge());
          pw.print(prefix); pw.print("    Amount discharged while screen doze: ");
          pw.println(getDischargeAmountScreenDozeSinceCharge());
          pw.println();
  
          final BatteryStatsHelper helper = new BatteryStatsHelper(context, false, wifiOnly);
          helper.create(this);
          helper.refreshStats(which, UserHandle.USER_ALL);
          List<BatterySipper> sippers = helper.getUsageList();
          if (sippers != null && sippers.size() > 0) {
              pw.print(prefix); pw.println("  Estimated power use (mAh):");
              pw.print(prefix); pw.print("    Capacity: ");
                      printmAh(pw, helper.getPowerProfile().getBatteryCapacity());
                      pw.print(", Computed drain: "); printmAh(pw, helper.getComputedPower());
                      pw.print(", actual drain: "); printmAh(pw, helper.getMinDrainedPower());
                      if (helper.getMinDrainedPower() != helper.getMaxDrainedPower()) {
                          pw.print("-"); printmAh(pw, helper.getMaxDrainedPower());
                      }
                      pw.println();
              for (int i=0; i<sippers.size(); i++) {
                  final BatterySipper bs = sippers.get(i);
                  pw.print(prefix);
                  switch (bs.drainType) {
                      case AMBIENT_DISPLAY:
                          pw.print("    Ambient display: ");
                          break;
                      case IDLE:
                          pw.print("    Idle: ");
                          break;
                      case CELL:
                          pw.print("    Cell standby: ");
                          break;
                      case PHONE:
                          pw.print("    Phone calls: ");
                          break;
                      case WIFI:
                          pw.print("    Wifi: ");
                          break;
                      case BLUETOOTH:
                          pw.print("    Bluetooth: ");
                          break;
                      case SCREEN:
                          pw.print("    Screen: ");
                          break;
                      case FLASHLIGHT:
                          pw.print("    Flashlight: ");
                          break;
                      case APP:
                          pw.print("    Uid ");
                          UserHandle.formatUid(pw, bs.uidObj.getUid());
                          pw.print(": ");
                          break;
                      case USER:
                          pw.print("    User "); pw.print(bs.userId);
                          pw.print(": ");
                          break;
                      case UNACCOUNTED:
                          pw.print("    Unaccounted: ");
                          break;
                      case OVERCOUNTED:
                          pw.print("    Over-counted: ");
                          break;
                      case CAMERA:
                          pw.print("    Camera: ");
                          break;
                      default:
                          pw.print("    ???: ");
                          break;
                  }
                  printmAh(pw, bs.totalPowerMah);
  
                  if (bs.usagePowerMah != bs.totalPowerMah) {
                      // If the usage (generic power) isn't the whole amount, we list out
                      // what components are involved in the calculation.
  
                      pw.print(" (");
                      if (bs.usagePowerMah != 0) {
                          pw.print(" usage=");
                          printmAh(pw, bs.usagePowerMah);
                      }
                      if (bs.cpuPowerMah != 0) {
                          pw.print(" cpu=");
                          printmAh(pw, bs.cpuPowerMah);
                      }
                      if (bs.wakeLockPowerMah != 0) {
                          pw.print(" wake=");
                          printmAh(pw, bs.wakeLockPowerMah);
                      }
                      if (bs.mobileRadioPowerMah != 0) {
                          pw.print(" radio=");
                          printmAh(pw, bs.mobileRadioPowerMah);
                      }
                      if (bs.wifiPowerMah != 0) {
                          pw.print(" wifi=");
                          printmAh(pw, bs.wifiPowerMah);
                      }
                      if (bs.bluetoothPowerMah != 0) {
                          pw.print(" bt=");
                          printmAh(pw, bs.bluetoothPowerMah);
                      }
                      if (bs.gpsPowerMah != 0) {
                          pw.print(" gps=");
                          printmAh(pw, bs.gpsPowerMah);
                      }
                      if (bs.sensorPowerMah != 0) {
                          pw.print(" sensor=");
                          printmAh(pw, bs.sensorPowerMah);
                      }
                      if (bs.cameraPowerMah != 0) {
                          pw.print(" camera=");
                          printmAh(pw, bs.cameraPowerMah);
                      }
                      if (bs.flashlightPowerMah != 0) {
                          pw.print(" flash=");
                          printmAh(pw, bs.flashlightPowerMah);
                      }
                      pw.print(" )");
                  }
  
                  // If there is additional smearing information, include it.
                  if (bs.totalSmearedPowerMah != bs.totalPowerMah) {
                      pw.print(" Including smearing: ");
                      printmAh(pw, bs.totalSmearedPowerMah);
                      pw.print(" (");
                      if (bs.screenPowerMah != 0) {
                          pw.print(" screen=");
                          printmAh(pw, bs.screenPowerMah);
                      }
                      if (bs.proportionalSmearMah != 0) {
                          pw.print(" proportional=");
                          printmAh(pw, bs.proportionalSmearMah);
                      }
                      pw.print(" )");
                  }
                  if (bs.shouldHide) {
                      pw.print(" Excluded from smearing");
                  }
  
                  pw.println();
              }
              pw.println();
          }
  
          sippers = helper.getMobilemsppList();
          if (sippers != null && sippers.size() > 0) {
              pw.print(prefix); pw.println("  Per-app mobile ms per packet:");
              long totalTime = 0;
              for (int i=0; i<sippers.size(); i++) {
                  final BatterySipper bs = sippers.get(i);
                  sb.setLength(0);
                  sb.append(prefix); sb.append("    Uid ");
                  UserHandle.formatUid(sb, bs.uidObj.getUid());
                  sb.append(": "); sb.append(BatteryStatsHelper.makemAh(bs.mobilemspp));
                  sb.append(" ("); sb.append(bs.mobileRxPackets+bs.mobileTxPackets);
                  sb.append(" packets over "); formatTimeMsNoSpace(sb, bs.mobileActive);
                  sb.append(") "); sb.append(bs.mobileActiveCount); sb.append("x");
                  pw.println(sb.toString());
                  totalTime += bs.mobileActive;
              }
              sb.setLength(0);
              sb.append(prefix);
              sb.append("    TOTAL TIME: ");
              formatTimeMs(sb, totalTime);
              sb.append("("); sb.append(formatRatioLocked(totalTime, whichBatteryRealtime));
              sb.append(")");
              pw.println(sb.toString());
              pw.println();
          }
  
          final Comparator<TimerEntry> timerComparator = new Comparator<TimerEntry>() {
              @Override
              public int compare(TimerEntry lhs, TimerEntry rhs) {
                  long lhsTime = lhs.mTime;
                  long rhsTime = rhs.mTime;
                  if (lhsTime < rhsTime) {
                      return 1;
                  }
                  if (lhsTime > rhsTime) {
                      return -1;
                  }
                  return 0;
              }
          };
  
          if (reqUid < 0) {
              final Map<String, ? extends BatteryStats.Timer> kernelWakelocks
                      = getKernelWakelockStats();
              if (kernelWakelocks.size() > 0) {
                  final ArrayList<TimerEntry> ktimers = new ArrayList<>();
                  for (Map.Entry<String, ? extends BatteryStats.Timer> ent
                          : kernelWakelocks.entrySet()) {
                      final BatteryStats.Timer timer = ent.getValue();
                      final long totalTimeMillis = computeWakeLock(timer, rawRealtime, which);
                      if (totalTimeMillis > 0) {
                          ktimers.add(new TimerEntry(ent.getKey(), 0, timer, totalTimeMillis));
                      }
                  }
                  if (ktimers.size() > 0) {
                      Collections.sort(ktimers, timerComparator);
                      pw.print(prefix); pw.println("  All kernel wake locks:");
                      for (int i=0; i<ktimers.size(); i++) {
                          final TimerEntry timer = ktimers.get(i);
                          String linePrefix = ": ";
                          sb.setLength(0);
                          sb.append(prefix);
                          sb.append("  Kernel Wake lock ");
                          sb.append(timer.mName);
                          linePrefix = printWakeLock(sb, timer.mTimer, rawRealtime, null,
                                  which, linePrefix);
                          if (!linePrefix.equals(": ")) {
                              sb.append(" realtime");
                              // Only print out wake locks that were held
                              pw.println(sb.toString());
                          }
                      }
                      pw.println();
                  }
              }
  
              if (timers.size() > 0) {
                  Collections.sort(timers, timerComparator);
                  pw.print(prefix); pw.println("  All partial wake locks:");
                  for (int i=0; i<timers.size(); i++) {
                      TimerEntry timer = timers.get(i);
                      sb.setLength(0);
                      sb.append("  Wake lock ");
                      UserHandle.formatUid(sb, timer.mId);
                      sb.append(" ");
                      sb.append(timer.mName);
                      printWakeLock(sb, timer.mTimer, rawRealtime, null, which, ": ");
                      sb.append(" realtime");
                      pw.println(sb.toString());
                  }
                  timers.clear();
                  pw.println();
              }
  
              final Map<String, ? extends Timer> wakeupReasons = getWakeupReasonStats();
              if (wakeupReasons.size() > 0) {
                  pw.print(prefix); pw.println("  All wakeup reasons:");
                  final ArrayList<TimerEntry> reasons = new ArrayList<>();
                  for (Map.Entry<String, ? extends Timer> ent : wakeupReasons.entrySet()) {
                      final Timer timer = ent.getValue();
                      reasons.add(new TimerEntry(ent.getKey(), 0, timer,
                              timer.getCountLocked(which)));
                  }
                  Collections.sort(reasons, timerComparator);
                  for (int i=0; i<reasons.size(); i++) {
                      TimerEntry timer = reasons.get(i);
                      String linePrefix = ": ";
                      sb.setLength(0);
                      sb.append(prefix);
                      sb.append("  Wakeup reason ");
                      sb.append(timer.mName);
                      printWakeLock(sb, timer.mTimer, rawRealtime, null, which, ": ");
                      sb.append(" realtime");
                      pw.println(sb.toString());
                  }
                  pw.println();
              }
          }
  
          final LongSparseArray<? extends Timer> mMemoryStats = getKernelMemoryStats();
          if (mMemoryStats.size() > 0) {
              pw.println("  Memory Stats");
              for (int i = 0; i < mMemoryStats.size(); i++) {
                  sb.setLength(0);
                  sb.append("  Bandwidth ");
                  sb.append(mMemoryStats.keyAt(i));
                  sb.append(" Time ");
                  sb.append(mMemoryStats.valueAt(i).getTotalTimeLocked(rawRealtime, which));
                  pw.println(sb.toString());
              }
              pw.println();
          }
  
          final Map<String, ? extends Timer> rpmStats = getRpmStats();
          if (rpmStats.size() > 0) {
              pw.print(prefix); pw.println("  Resource Power Manager Stats");
              if (rpmStats.size() > 0) {
                  for (Map.Entry<String, ? extends Timer> ent : rpmStats.entrySet()) {
                      final String timerName = ent.getKey();
                      final Timer timer = ent.getValue();
                      printTimer(pw, sb, timer, rawRealtime, which, prefix, timerName);
                  }
              }
              pw.println();
          }
          if (SCREEN_OFF_RPM_STATS_ENABLED) {
              final Map<String, ? extends Timer> screenOffRpmStats = getScreenOffRpmStats();
              if (screenOffRpmStats.size() > 0) {
                  pw.print(prefix);
                  pw.println("  Resource Power Manager Stats for when screen was off");
                  if (screenOffRpmStats.size() > 0) {
                      for (Map.Entry<String, ? extends Timer> ent : screenOffRpmStats.entrySet()) {
                          final String timerName = ent.getKey();
                          final Timer timer = ent.getValue();
                          printTimer(pw, sb, timer, rawRealtime, which, prefix, timerName);
                      }
                  }
                  pw.println();
              }
          }
  
          final long[] cpuFreqs = getCpuFreqs();
          if (cpuFreqs != null) {
              sb.setLength(0);
              sb.append("  CPU freqs:");
              for (int i = 0; i < cpuFreqs.length; ++i) {
                  sb.append(" " + cpuFreqs[i]);
              }
              pw.println(sb.toString());
              pw.println();
          }
  
          for (int iu=0; iu<NU; iu++) {
              final int uid = uidStats.keyAt(iu);
              if (reqUid >= 0 && uid != reqUid && uid != Process.SYSTEM_UID) {
                  continue;
              }
  
              final Uid u = uidStats.valueAt(iu);
  
              pw.print(prefix);
              pw.print("  ");
              UserHandle.formatUid(pw, uid);
              pw.println(":");
              boolean uidActivity = false;
  
              final long mobileRxBytes = u.getNetworkActivityBytes(NETWORK_MOBILE_RX_DATA, which);
              final long mobileTxBytes = u.getNetworkActivityBytes(NETWORK_MOBILE_TX_DATA, which);
              final long wifiRxBytes = u.getNetworkActivityBytes(NETWORK_WIFI_RX_DATA, which);
              final long wifiTxBytes = u.getNetworkActivityBytes(NETWORK_WIFI_TX_DATA, which);
              final long btRxBytes = u.getNetworkActivityBytes(NETWORK_BT_RX_DATA, which);
              final long btTxBytes = u.getNetworkActivityBytes(NETWORK_BT_TX_DATA, which);
  
              final long mobileRxPackets = u.getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, which);
              final long mobileTxPackets = u.getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, which);
              final long wifiRxPackets = u.getNetworkActivityPackets(NETWORK_WIFI_RX_DATA, which);
              final long wifiTxPackets = u.getNetworkActivityPackets(NETWORK_WIFI_TX_DATA, which);
  
              final long uidMobileActiveTime = u.getMobileRadioActiveTime(which);
              final int uidMobileActiveCount = u.getMobileRadioActiveCount(which);
  
              final long fullWifiLockOnTime = u.getFullWifiLockTime(rawRealtime, which);
              final long wifiScanTime = u.getWifiScanTime(rawRealtime, which);
              final int wifiScanCount = u.getWifiScanCount(which);
              final int wifiScanCountBg = u.getWifiScanBackgroundCount(which);
              // 'actualTime' are unpooled and always since reset (regardless of 'which')
              final long wifiScanActualTime = u.getWifiScanActualTime(rawRealtime);
              final long wifiScanActualTimeBg = u.getWifiScanBackgroundTime(rawRealtime);
              final long uidWifiRunningTime = u.getWifiRunningTime(rawRealtime, which);
  
              final long mobileWakeup = u.getMobileRadioApWakeupCount(which);
              final long wifiWakeup = u.getWifiRadioApWakeupCount(which);
  
              if (mobileRxBytes > 0 || mobileTxBytes > 0
                      || mobileRxPackets > 0 || mobileTxPackets > 0) {
                  pw.print(prefix); pw.print("    Mobile network: ");
                          pw.print(formatBytesLocked(mobileRxBytes)); pw.print(" received, ");
                          pw.print(formatBytesLocked(mobileTxBytes));
                          pw.print(" sent (packets "); pw.print(mobileRxPackets);
                          pw.print(" received, "); pw.print(mobileTxPackets); pw.println(" sent)");
              }
              if (uidMobileActiveTime > 0 || uidMobileActiveCount > 0) {
                  sb.setLength(0);
                  sb.append(prefix); sb.append("    Mobile radio active: ");
                  formatTimeMs(sb, uidMobileActiveTime / 1000);
                  sb.append("(");
                  sb.append(formatRatioLocked(uidMobileActiveTime, mobileActiveTime));
                  sb.append(") "); sb.append(uidMobileActiveCount); sb.append("x");
                  long packets = mobileRxPackets + mobileTxPackets;
                  if (packets == 0) {
                      packets = 1;
                  }
                  sb.append(" @ ");
                  sb.append(BatteryStatsHelper.makemAh(uidMobileActiveTime / 1000 / (double)packets));
                  sb.append(" mspp");
                  pw.println(sb.toString());
              }
  
              if (mobileWakeup > 0) {
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    Mobile radio AP wakeups: ");
                  sb.append(mobileWakeup);
                  pw.println(sb.toString());
              }
  
              printControllerActivityIfInteresting(pw, sb, prefix + "  ",
                  CELLULAR_CONTROLLER_NAME, u.getModemControllerActivity(), which);
  
              if (wifiRxBytes > 0 || wifiTxBytes > 0 || wifiRxPackets > 0 || wifiTxPackets > 0) {
                  pw.print(prefix); pw.print("    Wi-Fi network: ");
                          pw.print(formatBytesLocked(wifiRxBytes)); pw.print(" received, ");
                          pw.print(formatBytesLocked(wifiTxBytes));
                          pw.print(" sent (packets "); pw.print(wifiRxPackets);
                          pw.print(" received, "); pw.print(wifiTxPackets); pw.println(" sent)");
              }
  
              if (fullWifiLockOnTime != 0 || wifiScanTime != 0 || wifiScanCount != 0
                      || wifiScanCountBg != 0 || wifiScanActualTime != 0 || wifiScanActualTimeBg != 0
                      || uidWifiRunningTime != 0) {
                  sb.setLength(0);
                  sb.append(prefix); sb.append("    Wifi Running: ");
                          formatTimeMs(sb, uidWifiRunningTime / 1000);
                          sb.append("("); sb.append(formatRatioLocked(uidWifiRunningTime,
                                  whichBatteryRealtime)); sb.append(")\n");
                  sb.append(prefix); sb.append("    Full Wifi Lock: ");
                          formatTimeMs(sb, fullWifiLockOnTime / 1000);
                          sb.append("("); sb.append(formatRatioLocked(fullWifiLockOnTime,
                                  whichBatteryRealtime)); sb.append(")\n");
                  sb.append(prefix); sb.append("    Wifi Scan (blamed): ");
                          formatTimeMs(sb, wifiScanTime / 1000);
                          sb.append("("); sb.append(formatRatioLocked(wifiScanTime,
                                  whichBatteryRealtime)); sb.append(") ");
                                  sb.append(wifiScanCount);
                                  sb.append("x\n");
                  // actual and background times are unpooled and since reset (regardless of 'which')
                  sb.append(prefix); sb.append("    Wifi Scan (actual): ");
                          formatTimeMs(sb, wifiScanActualTime / 1000);
                          sb.append("("); sb.append(formatRatioLocked(wifiScanActualTime,
                                  computeBatteryRealtime(rawRealtime, STATS_SINCE_CHARGED)));
                                  sb.append(") ");
                                  sb.append(wifiScanCount);
                                  sb.append("x\n");
                  sb.append(prefix); sb.append("    Background Wifi Scan: ");
                          formatTimeMs(sb, wifiScanActualTimeBg / 1000);
                          sb.append("("); sb.append(formatRatioLocked(wifiScanActualTimeBg,
                                  computeBatteryRealtime(rawRealtime, STATS_SINCE_CHARGED)));
                                  sb.append(") ");
                                  sb.append(wifiScanCountBg);
                                  sb.append("x");
                  pw.println(sb.toString());
              }
  
              if (wifiWakeup > 0) {
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    WiFi AP wakeups: ");
                  sb.append(wifiWakeup);
                  pw.println(sb.toString());
              }
  
              printControllerActivityIfInteresting(pw, sb, prefix + "  ", WIFI_CONTROLLER_NAME,
                      u.getWifiControllerActivity(), which);
  
              if (btRxBytes > 0 || btTxBytes > 0) {
                  pw.print(prefix); pw.print("    Bluetooth network: ");
                  pw.print(formatBytesLocked(btRxBytes)); pw.print(" received, ");
                  pw.print(formatBytesLocked(btTxBytes));
                  pw.println(" sent");
              }
  
              final Timer bleTimer = u.getBluetoothScanTimer();
              if (bleTimer != null) {
                  // Convert from microseconds to milliseconds with rounding
                  final long totalTimeMs = (bleTimer.getTotalTimeLocked(rawRealtime, which) + 500)
                          / 1000;
                  if (totalTimeMs != 0) {
                      final int count = bleTimer.getCountLocked(which);
                      final Timer bleTimerBg = u.getBluetoothScanBackgroundTimer();
                      final int countBg = bleTimerBg != null ? bleTimerBg.getCountLocked(which) : 0;
                      // 'actualTime' are unpooled and always since reset (regardless of 'which')
                      final long actualTimeMs = bleTimer.getTotalDurationMsLocked(rawRealtimeMs);
                      final long actualTimeMsBg = bleTimerBg != null ?
                              bleTimerBg.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                      // Result counters
                      final int resultCount = u.getBluetoothScanResultCounter() != null ?
                              u.getBluetoothScanResultCounter().getCountLocked(which) : 0;
                      final int resultCountBg = u.getBluetoothScanResultBgCounter() != null ?
                              u.getBluetoothScanResultBgCounter().getCountLocked(which) : 0;
                      // Unoptimized scan timer. Unpooled and since reset (regardless of 'which').
                      final Timer unoptimizedScanTimer = u.getBluetoothUnoptimizedScanTimer();
                      final long unoptimizedScanTotalTime = unoptimizedScanTimer != null ?
                              unoptimizedScanTimer.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                      final long unoptimizedScanMaxTime = unoptimizedScanTimer != null ?
                              unoptimizedScanTimer.getMaxDurationMsLocked(rawRealtimeMs) : 0;
                      // Unoptimized bg scan timer. Unpooled and since reset (regardless of 'which').
                      final Timer unoptimizedScanTimerBg =
                              u.getBluetoothUnoptimizedScanBackgroundTimer();
                      final long unoptimizedScanTotalTimeBg = unoptimizedScanTimerBg != null ?
                              unoptimizedScanTimerBg.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                      final long unoptimizedScanMaxTimeBg = unoptimizedScanTimerBg != null ?
                              unoptimizedScanTimerBg.getMaxDurationMsLocked(rawRealtimeMs) : 0;
  
                      sb.setLength(0);
                      if (actualTimeMs != totalTimeMs) {
                          sb.append(prefix);
                          sb.append("    Bluetooth Scan (total blamed realtime): ");
                          formatTimeMs(sb, totalTimeMs);
                          sb.append(" (");
                          sb.append(count);
                          sb.append(" times)");
                          if (bleTimer.isRunningLocked()) {
                              sb.append(" (currently running)");
                          }
                          sb.append("\n");
                      }
  
                      sb.append(prefix);
                      sb.append("    Bluetooth Scan (total actual realtime): ");
                      formatTimeMs(sb, actualTimeMs); // since reset, ignores 'which'
                      sb.append(" (");
                      sb.append(count);
                      sb.append(" times)");
                      if (bleTimer.isRunningLocked()) {
                              sb.append(" (currently running)");
                      }
                      sb.append("\n");
                      if (actualTimeMsBg > 0 || countBg > 0) {
                          sb.append(prefix);
                          sb.append("    Bluetooth Scan (background realtime): ");
                          formatTimeMs(sb, actualTimeMsBg); // since reset, ignores 'which'
                          sb.append(" (");
                          sb.append(countBg);
                          sb.append(" times)");
                          if (bleTimerBg != null && bleTimerBg.isRunningLocked()) {
                              sb.append(" (currently running in background)");
                          }
                          sb.append("\n");
                      }
  
                      sb.append(prefix);
                      sb.append("    Bluetooth Scan Results: ");
                      sb.append(resultCount);
                      sb.append(" (");
                      sb.append(resultCountBg);
                      sb.append(" in background)");
  
                      if (unoptimizedScanTotalTime > 0 || unoptimizedScanTotalTimeBg > 0) {
                          sb.append("\n");
                          sb.append(prefix);
                          sb.append("    Unoptimized Bluetooth Scan (realtime): ");
                          formatTimeMs(sb, unoptimizedScanTotalTime); // since reset, ignores 'which'
                          sb.append(" (max ");
                          formatTimeMs(sb, unoptimizedScanMaxTime); // since reset, ignores 'which'
                          sb.append(")");
                          if (unoptimizedScanTimer != null
                                  && unoptimizedScanTimer.isRunningLocked()) {
                              sb.append(" (currently running unoptimized)");
                          }
                          if (unoptimizedScanTimerBg != null && unoptimizedScanTotalTimeBg > 0) {
                              sb.append("\n");
                              sb.append(prefix);
                              sb.append("    Unoptimized Bluetooth Scan (background realtime): ");
                              formatTimeMs(sb, unoptimizedScanTotalTimeBg); // since reset
                              sb.append(" (max ");
                              formatTimeMs(sb, unoptimizedScanMaxTimeBg); // since reset
                              sb.append(")");
                              if (unoptimizedScanTimerBg.isRunningLocked()) {
                                  sb.append(" (currently running unoptimized in background)");
                              }
                          }
                      }
                      pw.println(sb.toString());
                      uidActivity = true;
                  }
              }
  
  
  
              if (u.hasUserActivity()) {
                  boolean hasData = false;
                  for (int i=0; i<Uid.NUM_USER_ACTIVITY_TYPES; i++) {
                      final int val = u.getUserActivityCount(i, which);
                      if (val != 0) {
                          if (!hasData) {
                              sb.setLength(0);
                              sb.append("    User activity: ");
                              hasData = true;
                          } else {
                              sb.append(", ");
                          }
                          sb.append(val);
                          sb.append(" ");
                          sb.append(Uid.USER_ACTIVITY_TYPES[i]);
                      }
                  }
                  if (hasData) {
                      pw.println(sb.toString());
                  }
              }
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Wakelock> wakelocks
                      = u.getWakelockStats();
              long totalFullWakelock = 0, totalPartialWakelock = 0, totalWindowWakelock = 0;
              long totalDrawWakelock = 0;
              int countWakelock = 0;
              for (int iw=wakelocks.size()-1; iw>=0; iw--) {
                  final Uid.Wakelock wl = wakelocks.valueAt(iw);
                  String linePrefix = ": ";
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    Wake lock ");
                  sb.append(wakelocks.keyAt(iw));
                  linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_FULL), rawRealtime,
                          "full", which, linePrefix);
                  final Timer pTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
                  linePrefix = printWakeLock(sb, pTimer, rawRealtime,
                          "partial", which, linePrefix);
                  linePrefix = printWakeLock(sb, pTimer != null ? pTimer.getSubTimer() : null,
                          rawRealtime, "background partial", which, linePrefix);
                  linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_WINDOW), rawRealtime,
                          "window", which, linePrefix);
                  linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_DRAW), rawRealtime,
                          "draw", which, linePrefix);
                  sb.append(" realtime");
                  pw.println(sb.toString());
                  uidActivity = true;
                  countWakelock++;
  
                  totalFullWakelock += computeWakeLock(wl.getWakeTime(WAKE_TYPE_FULL),
                          rawRealtime, which);
                  totalPartialWakelock += computeWakeLock(wl.getWakeTime(WAKE_TYPE_PARTIAL),
                          rawRealtime, which);
                  totalWindowWakelock += computeWakeLock(wl.getWakeTime(WAKE_TYPE_WINDOW),
                          rawRealtime, which);
                  totalDrawWakelock += computeWakeLock(wl.getWakeTime(WAKE_TYPE_DRAW),
                          rawRealtime, which);
              }
              if (countWakelock > 1) {
                  // get unpooled partial wakelock quantities (unlike totalPartialWakelock, which is
                  // pooled and therefore just a lower bound)
                  long actualTotalPartialWakelock = 0;
                  long actualBgPartialWakelock = 0;
                  if (u.getAggregatedPartialWakelockTimer() != null) {
                      final Timer aggTimer = u.getAggregatedPartialWakelockTimer();
                      // Convert from microseconds to milliseconds with rounding
                      actualTotalPartialWakelock =
                              aggTimer.getTotalDurationMsLocked(rawRealtimeMs);
                      final Timer bgAggTimer = aggTimer.getSubTimer();
                      actualBgPartialWakelock = bgAggTimer != null ?
                              bgAggTimer.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                  }
  
                  if (actualTotalPartialWakelock != 0 || actualBgPartialWakelock != 0 ||
                          totalFullWakelock != 0 || totalPartialWakelock != 0 ||
                          totalWindowWakelock != 0) {
                      sb.setLength(0);
                      sb.append(prefix);
                      sb.append("    TOTAL wake: ");
                      boolean needComma = false;
                      if (totalFullWakelock != 0) {
                          needComma = true;
                          formatTimeMs(sb, totalFullWakelock);
                          sb.append("full");
                      }
                      if (totalPartialWakelock != 0) {
                          if (needComma) {
                              sb.append(", ");
                          }
                          needComma = true;
                          formatTimeMs(sb, totalPartialWakelock);
                          sb.append("blamed partial");
                      }
                      if (actualTotalPartialWakelock != 0) {
                          if (needComma) {
                              sb.append(", ");
                          }
                          needComma = true;
                          formatTimeMs(sb, actualTotalPartialWakelock);
                          sb.append("actual partial");
                      }
                      if (actualBgPartialWakelock != 0) {
                          if (needComma) {
                              sb.append(", ");
                          }
                          needComma = true;
                          formatTimeMs(sb, actualBgPartialWakelock);
                          sb.append("actual background partial");
                      }
                      if (totalWindowWakelock != 0) {
                          if (needComma) {
                              sb.append(", ");
                          }
                          needComma = true;
                          formatTimeMs(sb, totalWindowWakelock);
                          sb.append("window");
                      }
                      if (totalDrawWakelock != 0) {
                          if (needComma) {
                              sb.append(",");
                          }
                          needComma = true;
                          formatTimeMs(sb, totalDrawWakelock);
                          sb.append("draw");
                      }
                      sb.append(" realtime");
                      pw.println(sb.toString());
                  }
              }
  
              // Calculate multicast wakelock stats
              final Timer mcTimer = u.getMulticastWakelockStats();
              if (mcTimer != null) {
                  final long multicastWakeLockTimeMicros = mcTimer.getTotalTimeLocked(rawRealtime, which);
                  final int multicastWakeLockCount = mcTimer.getCountLocked(which);
  
                  if (multicastWakeLockTimeMicros > 0) {
                      sb.setLength(0);
                      sb.append(prefix);
                      sb.append("    WiFi Multicast Wakelock");
                      sb.append(" count = ");
                      sb.append(multicastWakeLockCount);
                      sb.append(" time = ");
                      formatTimeMsNoSpace(sb, (multicastWakeLockTimeMicros + 500) / 1000);
                      pw.println(sb.toString());
                  }
              }
  
              final ArrayMap<String, ? extends Timer> syncs = u.getSyncStats();
              for (int isy=syncs.size()-1; isy>=0; isy--) {
                  final Timer timer = syncs.valueAt(isy);
                  // Convert from microseconds to milliseconds with rounding
                  final long totalTime = (timer.getTotalTimeLocked(rawRealtime, which) + 500) / 1000;
                  final int count = timer.getCountLocked(which);
                  final Timer bgTimer = timer.getSubTimer();
                  final long bgTime = bgTimer != null ?
                          bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : -1;
                  final int bgCount = bgTimer != null ? bgTimer.getCountLocked(which) : -1;
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    Sync ");
                  sb.append(syncs.keyAt(isy));
                  sb.append(": ");
                  if (totalTime != 0) {
                      formatTimeMs(sb, totalTime);
                      sb.append("realtime (");
                      sb.append(count);
                      sb.append(" times)");
                      if (bgTime > 0) {
                          sb.append(", ");
                          formatTimeMs(sb, bgTime);
                          sb.append("background (");
                          sb.append(bgCount);
                          sb.append(" times)");
                      }
                  } else {
                      sb.append("(not used)");
                  }
                  pw.println(sb.toString());
                  uidActivity = true;
              }
  
              final ArrayMap<String, ? extends Timer> jobs = u.getJobStats();
              for (int ij=jobs.size()-1; ij>=0; ij--) {
                  final Timer timer = jobs.valueAt(ij);
                  // Convert from microseconds to milliseconds with rounding
                  final long totalTime = (timer.getTotalTimeLocked(rawRealtime, which) + 500) / 1000;
                  final int count = timer.getCountLocked(which);
                  final Timer bgTimer = timer.getSubTimer();
                  final long bgTime = bgTimer != null ?
                          bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : -1;
                  final int bgCount = bgTimer != null ? bgTimer.getCountLocked(which) : -1;
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    Job ");
                  sb.append(jobs.keyAt(ij));
                  sb.append(": ");
                  if (totalTime != 0) {
                      formatTimeMs(sb, totalTime);
                      sb.append("realtime (");
                      sb.append(count);
                      sb.append(" times)");
                      if (bgTime > 0) {
                          sb.append(", ");
                          formatTimeMs(sb, bgTime);
                          sb.append("background (");
                          sb.append(bgCount);
                          sb.append(" times)");
                      }
                  } else {
                      sb.append("(not used)");
                  }
                  pw.println(sb.toString());
                  uidActivity = true;
              }
  
              final ArrayMap<String, SparseIntArray> completions = u.getJobCompletionStats();
              for (int ic=completions.size()-1; ic>=0; ic--) {
                  SparseIntArray types = completions.valueAt(ic);
                  if (types != null) {
                      pw.print(prefix);
                      pw.print("    Job Completions ");
                      pw.print(completions.keyAt(ic));
                      pw.print(":");
                      for (int it=0; it<types.size(); it++) {
                          pw.print(" ");
                          pw.print(JobParameters.getReasonName(types.keyAt(it)));
                          pw.print("(");
                          pw.print(types.valueAt(it));
                          pw.print("x)");
                      }
                      pw.println();
                  }
              }
  
              u.getDeferredJobsLineLocked(sb, which);
              if (sb.length() > 0) {
                  pw.print("    Jobs deferred on launch "); pw.println(sb.toString());
              }
  
              uidActivity |= printTimer(pw, sb, u.getFlashlightTurnedOnTimer(), rawRealtime, which,
                      prefix, "Flashlight");
              uidActivity |= printTimer(pw, sb, u.getCameraTurnedOnTimer(), rawRealtime, which,
                      prefix, "Camera");
              uidActivity |= printTimer(pw, sb, u.getVideoTurnedOnTimer(), rawRealtime, which,
                      prefix, "Video");
              uidActivity |= printTimer(pw, sb, u.getAudioTurnedOnTimer(), rawRealtime, which,
                      prefix, "Audio");
  
              final SparseArray<? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
              final int NSE = sensors.size();
              for (int ise=0; ise<NSE; ise++) {
                  final Uid.Sensor se = sensors.valueAt(ise);
                  final int sensorNumber = sensors.keyAt(ise);
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    Sensor ");
                  int handle = se.getHandle();
                  if (handle == Uid.Sensor.GPS) {
                      sb.append("GPS");
                  } else {
                      sb.append(handle);
                  }
                  sb.append(": ");
  
                  final Timer timer = se.getSensorTime();
                  if (timer != null) {
                      // Convert from microseconds to milliseconds with rounding
                      final long totalTime = (timer.getTotalTimeLocked(rawRealtime, which) + 500)
                              / 1000;
                      final int count = timer.getCountLocked(which);
                      final Timer bgTimer = se.getSensorBackgroundTime();
                      final int bgCount = bgTimer != null ? bgTimer.getCountLocked(which) : 0;
                      // 'actualTime' are unpooled and always since reset (regardless of 'which')
                      final long actualTime = timer.getTotalDurationMsLocked(rawRealtimeMs);
                      final long bgActualTime = bgTimer != null ?
                              bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : 0;
  
                      //timer.logState();
                      if (totalTime != 0) {
                          if (actualTime != totalTime) {
                              formatTimeMs(sb, totalTime);
                              sb.append("blamed realtime, ");
                          }
  
                          formatTimeMs(sb, actualTime); // since reset, regardless of 'which'
                          sb.append("realtime (");
                          sb.append(count);
                          sb.append(" times)");
  
                          if (bgActualTime != 0 || bgCount > 0) {
                              sb.append(", ");
                              formatTimeMs(sb, bgActualTime); // since reset, regardless of 'which'
                              sb.append("background (");
                              sb.append(bgCount);
                              sb.append(" times)");
                          }
                      } else {
                          sb.append("(not used)");
                      }
                  } else {
                      sb.append("(not used)");
                  }
  
                  pw.println(sb.toString());
                  uidActivity = true;
              }
  
              uidActivity |= printTimer(pw, sb, u.getVibratorOnTimer(), rawRealtime, which, prefix,
                      "Vibrator");
              uidActivity |= printTimer(pw, sb, u.getForegroundActivityTimer(), rawRealtime, which,
                      prefix, "Foreground activities");
              uidActivity |= printTimer(pw, sb, u.getForegroundServiceTimer(), rawRealtime, which,
                      prefix, "Foreground services");
  
              long totalStateTime = 0;
              for (int ips=0; ips<Uid.NUM_PROCESS_STATE; ips++) {
                  long time = u.getProcessStateTime(ips, rawRealtime, which);
                  if (time > 0) {
                      totalStateTime += time;
                      sb.setLength(0);
                      sb.append(prefix);
                      sb.append("    ");
                      sb.append(Uid.PROCESS_STATE_NAMES[ips]);
                      sb.append(" for: ");
                      formatTimeMs(sb, (time + 500) / 1000);
                      pw.println(sb.toString());
                      uidActivity = true;
                  }
              }
              if (totalStateTime > 0) {
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    Total running: ");
                  formatTimeMs(sb, (totalStateTime + 500) / 1000);
                  pw.println(sb.toString());
              }
  
              final long userCpuTimeUs = u.getUserCpuTimeUs(which);
              final long systemCpuTimeUs = u.getSystemCpuTimeUs(which);
              if (userCpuTimeUs > 0 || systemCpuTimeUs > 0) {
                  sb.setLength(0);
                  sb.append(prefix);
                  sb.append("    Total cpu time: u=");
                  formatTimeMs(sb, userCpuTimeUs / 1000);
                  sb.append("s=");
                  formatTimeMs(sb, systemCpuTimeUs / 1000);
                  pw.println(sb.toString());
              }
  
              final long[] cpuFreqTimes = u.getCpuFreqTimes(which);
              if (cpuFreqTimes != null) {
                  sb.setLength(0);
                  sb.append("    Total cpu time per freq:");
                  for (int i = 0; i < cpuFreqTimes.length; ++i) {
                      sb.append(" " + cpuFreqTimes[i]);
                  }
                  pw.println(sb.toString());
              }
              final long[] screenOffCpuFreqTimes = u.getScreenOffCpuFreqTimes(which);
              if (screenOffCpuFreqTimes != null) {
                  sb.setLength(0);
                  sb.append("    Total screen-off cpu time per freq:");
                  for (int i = 0; i < screenOffCpuFreqTimes.length; ++i) {
                      sb.append(" " + screenOffCpuFreqTimes[i]);
                  }
                  pw.println(sb.toString());
              }
  
              for (int procState = 0; procState < Uid.NUM_PROCESS_STATE; ++procState) {
                  final long[] cpuTimes = u.getCpuFreqTimes(which, procState);
                  if (cpuTimes != null) {
                      sb.setLength(0);
                      sb.append("    Cpu times per freq at state "
                              + Uid.PROCESS_STATE_NAMES[procState] + ":");
                      for (int i = 0; i < cpuTimes.length; ++i) {
                          sb.append(" " + cpuTimes[i]);
                      }
                      pw.println(sb.toString());
                  }
  
                  final long[] screenOffCpuTimes = u.getScreenOffCpuFreqTimes(which, procState);
                  if (screenOffCpuTimes != null) {
                      sb.setLength(0);
                      sb.append("   Screen-off cpu times per freq at state "
                              + Uid.PROCESS_STATE_NAMES[procState] + ":");
                      for (int i = 0; i < screenOffCpuTimes.length; ++i) {
                          sb.append(" " + screenOffCpuTimes[i]);
                      }
                      pw.println(sb.toString());
                  }
              }
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Proc> processStats
                      = u.getProcessStats();
              for (int ipr=processStats.size()-1; ipr>=0; ipr--) {
                  final Uid.Proc ps = processStats.valueAt(ipr);
                  long userTime;
                  long systemTime;
                  long foregroundTime;
                  int starts;
                  int numExcessive;
  
                  userTime = ps.getUserTime(which);
                  systemTime = ps.getSystemTime(which);
                  foregroundTime = ps.getForegroundTime(which);
                  starts = ps.getStarts(which);
                  final int numCrashes = ps.getNumCrashes(which);
                  final int numAnrs = ps.getNumAnrs(which);
                  numExcessive = which == STATS_SINCE_CHARGED
                          ? ps.countExcessivePowers() : 0;
  
                  if (userTime != 0 || systemTime != 0 || foregroundTime != 0 || starts != 0
                          || numExcessive != 0 || numCrashes != 0 || numAnrs != 0) {
                      sb.setLength(0);
                      sb.append(prefix); sb.append("    Proc ");
                              sb.append(processStats.keyAt(ipr)); sb.append(":\n");
                      sb.append(prefix); sb.append("      CPU: ");
                              formatTimeMs(sb, userTime); sb.append("usr + ");
                              formatTimeMs(sb, systemTime); sb.append("krn ; ");
                              formatTimeMs(sb, foregroundTime); sb.append("fg");
                      if (starts != 0 || numCrashes != 0 || numAnrs != 0) {
                          sb.append("\n"); sb.append(prefix); sb.append("      ");
                          boolean hasOne = false;
                          if (starts != 0) {
                              hasOne = true;
                              sb.append(starts); sb.append(" starts");
                          }
                          if (numCrashes != 0) {
                              if (hasOne) {
                                  sb.append(", ");
                              }
                              hasOne = true;
                              sb.append(numCrashes); sb.append(" crashes");
                          }
                          if (numAnrs != 0) {
                              if (hasOne) {
                                  sb.append(", ");
                              }
                              sb.append(numAnrs); sb.append(" anrs");
                          }
                      }
                      pw.println(sb.toString());
                      for (int e=0; e<numExcessive; e++) {
                          Uid.Proc.ExcessivePower ew = ps.getExcessivePower(e);
                          if (ew != null) {
                              pw.print(prefix); pw.print("      * Killed for ");
                                      if (ew.type == Uid.Proc.ExcessivePower.TYPE_CPU) {
                                          pw.print("cpu");
                                      } else {
                                          pw.print("unknown");
                                      }
                                      pw.print(" use: ");
                                      TimeUtils.formatDuration(ew.usedTime, pw);
                                      pw.print(" over ");
                                      TimeUtils.formatDuration(ew.overTime, pw);
                                      if (ew.overTime != 0) {
                                          pw.print(" (");
                                          pw.print((ew.usedTime*100)/ew.overTime);
                                          pw.println("%)");
                                      }
                          }
                      }
                      uidActivity = true;
                  }
              }
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Pkg> packageStats
                      = u.getPackageStats();
              for (int ipkg=packageStats.size()-1; ipkg>=0; ipkg--) {
                  pw.print(prefix); pw.print("    Apk "); pw.print(packageStats.keyAt(ipkg));
                  pw.println(":");
                  boolean apkActivity = false;
                  final Uid.Pkg ps = packageStats.valueAt(ipkg);
                  final ArrayMap<String, ? extends Counter> alarms = ps.getWakeupAlarmStats();
                  for (int iwa=alarms.size()-1; iwa>=0; iwa--) {
                      pw.print(prefix); pw.print("      Wakeup alarm ");
                              pw.print(alarms.keyAt(iwa)); pw.print(": ");
                              pw.print(alarms.valueAt(iwa).getCountLocked(which));
                              pw.println(" times");
                      apkActivity = true;
                  }
                  final ArrayMap<String, ? extends  Uid.Pkg.Serv> serviceStats = ps.getServiceStats();
                  for (int isvc=serviceStats.size()-1; isvc>=0; isvc--) {
                      final BatteryStats.Uid.Pkg.Serv ss = serviceStats.valueAt(isvc);
                      final long startTime = ss.getStartTime(batteryUptime, which);
                      final int starts = ss.getStarts(which);
                      final int launches = ss.getLaunches(which);
                      if (startTime != 0 || starts != 0 || launches != 0) {
                          sb.setLength(0);
                          sb.append(prefix); sb.append("      Service ");
                                  sb.append(serviceStats.keyAt(isvc)); sb.append(":\n");
                          sb.append(prefix); sb.append("        Created for: ");
                                  formatTimeMs(sb, startTime / 1000);
                                  sb.append("uptime\n");
                          sb.append(prefix); sb.append("        Starts: ");
                                  sb.append(starts);
                                  sb.append(", launches: "); sb.append(launches);
                          pw.println(sb.toString());
                          apkActivity = true;
                      }
                  }
                  if (!apkActivity) {
                      pw.print(prefix); pw.println("      (nothing executed)");
                  }
                  uidActivity = true;
              }
              if (!uidActivity) {
                  pw.print(prefix); pw.println("    (nothing executed)");
              }
          }
      }
  
      static void printBitDescriptions(StringBuilder sb, int oldval, int newval,
              HistoryTag wakelockTag, BitDescription[] descriptions, boolean longNames) {
          int diff = oldval ^ newval;
          if (diff == 0) return;
          boolean didWake = false;
          for (int i=0; i<descriptions.length; i++) {
              BitDescription bd = descriptions[i];
              if ((diff&bd.mask) != 0) {
                  sb.append(longNames ? " " : ",");
                  if (bd.shift < 0) {
                      sb.append((newval & bd.mask) != 0 ? "+" : "-");
                      sb.append(longNames ? bd.name : bd.shortName);
                      if (bd.mask == HistoryItem.STATE_WAKE_LOCK_FLAG && wakelockTag != null) {
                          didWake = true;
                          sb.append("=");
                          if (longNames) {
                              UserHandle.formatUid(sb, wakelockTag.uid);
                              sb.append(":\"");
                              sb.append(wakelockTag.string);
                              sb.append("\"");
                          } else {
                              sb.append(wakelockTag.poolIdx);
                          }
                      }
                  } else {
                      sb.append(longNames ? bd.name : bd.shortName);
                      sb.append("=");
                      int val = (newval&bd.mask)>>bd.shift;
                      if (bd.values != null && val >= 0 && val < bd.values.length) {
                          sb.append(longNames ? bd.values[val] : bd.shortValues[val]);
                      } else {
                          sb.append(val);
                      }
                  }
              }
          }
          if (!didWake && wakelockTag != null) {
              sb.append(longNames ? " wake_lock=" : ",w=");
              if (longNames) {
                  UserHandle.formatUid(sb, wakelockTag.uid);
                  sb.append(":\"");
                  sb.append(wakelockTag.string);
                  sb.append("\"");
              } else {
                  sb.append(wakelockTag.poolIdx);
              }
          }
      }
  
      public void prepareForDumpLocked() {
          // We don't need to require subclasses implement this.
      }
  
      public static class HistoryPrinter {
          int oldState = 0;
          int oldState2 = 0;
          int oldLevel = -1;
          int oldStatus = -1;
          int oldHealth = -1;
          int oldPlug = -1;
          int oldTemp = -1;
          int oldVolt = -1;
          int oldChargeMAh = -1;
          double oldModemRailChargeMah = -1;
          double oldWifiRailChargeMah = -1;
          long lastTime = -1;
  
          void reset() {
              oldState = oldState2 = 0;
              oldLevel = -1;
              oldStatus = -1;
              oldHealth = -1;
              oldPlug = -1;
              oldTemp = -1;
              oldVolt = -1;
              oldChargeMAh = -1;
              oldModemRailChargeMah = -1;
              oldWifiRailChargeMah = -1;
          }
  
          public void printNextItem(PrintWriter pw, HistoryItem rec, long baseTime, boolean checkin,
                  boolean verbose) {
              pw.print(printNextItem(rec, baseTime, checkin, verbose));
          }
  
          /** Print the next history item to proto. */
          public void printNextItem(ProtoOutputStream proto, HistoryItem rec, long baseTime,
                  boolean verbose) {
              String item = printNextItem(rec, baseTime, true, verbose);
              for (String line : item.split("\n")) {
                  proto.write(BatteryStatsServiceDumpHistoryProto.CSV_LINES, line);
              }
          }
  
          private String printNextItem(HistoryItem rec, long baseTime, boolean checkin,
                  boolean verbose) {
              StringBuilder item = new StringBuilder();
              if (!checkin) {
                  item.append("  ");
                  TimeUtils.formatDuration(
                          rec.time - baseTime, item, TimeUtils.HUNDRED_DAY_FIELD_LEN);
                  item.append(" (");
                  item.append(rec.numReadInts);
                  item.append(") ");
              } else {
                  item.append(BATTERY_STATS_CHECKIN_VERSION); item.append(',');
                  item.append(HISTORY_DATA); item.append(',');
                  if (lastTime < 0) {
                      item.append(rec.time - baseTime);
                  } else {
                      item.append(rec.time - lastTime);
                  }
                  lastTime = rec.time;
              }
              if (rec.cmd == HistoryItem.CMD_START) {
                  if (checkin) {
                      item.append(":");
                  }
                  item.append("START\n");
                  reset();
              } else if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
                      || rec.cmd == HistoryItem.CMD_RESET) {
                  if (checkin) {
                      item.append(":");
                  }
                  if (rec.cmd == HistoryItem.CMD_RESET) {
                      item.append("RESET:");
                      reset();
                  }
                  item.append("TIME:");
                  if (checkin) {
                      item.append(rec.currentTime);
                      item.append("\n");
                  } else {
                      item.append(" ");
                      item.append(DateFormat.format("yyyy-MM-dd-HH-mm-ss",
                              rec.currentTime).toString());
                      item.append("\n");
                  }
              } else if (rec.cmd == HistoryItem.CMD_SHUTDOWN) {
                  if (checkin) {
                      item.append(":");
                  }
                  item.append("SHUTDOWN\n");
              } else if (rec.cmd == HistoryItem.CMD_OVERFLOW) {
                  if (checkin) {
                      item.append(":");
                  }
                  item.append("*OVERFLOW*\n");
              } else {
                  if (!checkin) {
                      if (rec.batteryLevel < 10) item.append("00");
                      else if (rec.batteryLevel < 100) item.append("0");
                      item.append(rec.batteryLevel);
                      if (verbose) {
                          item.append(" ");
                          if (rec.states < 0) ;
                          else if (rec.states < 0x10) item.append("0000000");
                          else if (rec.states < 0x100) item.append("000000");
                          else if (rec.states < 0x1000) item.append("00000");
                          else if (rec.states < 0x10000) item.append("0000");
                          else if (rec.states < 0x100000) item.append("000");
                          else if (rec.states < 0x1000000) item.append("00");
                          else if (rec.states < 0x10000000) item.append("0");
                          item.append(Integer.toHexString(rec.states));
                      }
                  } else {
                      if (oldLevel != rec.batteryLevel) {
                          oldLevel = rec.batteryLevel;
                          item.append(",Bl="); item.append(rec.batteryLevel);
                      }
                  }
                  if (oldStatus != rec.batteryStatus) {
                      oldStatus = rec.batteryStatus;
                      item.append(checkin ? ",Bs=" : " status=");
                      switch (oldStatus) {
                          case BatteryManager.BATTERY_STATUS_UNKNOWN:
                              item.append(checkin ? "?" : "unknown");
                              break;
                          case BatteryManager.BATTERY_STATUS_CHARGING:
                              item.append(checkin ? "c" : "charging");
                              break;
                          case BatteryManager.BATTERY_STATUS_DISCHARGING:
                              item.append(checkin ? "d" : "discharging");
                              break;
                          case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
                              item.append(checkin ? "n" : "not-charging");
                              break;
                          case BatteryManager.BATTERY_STATUS_FULL:
                              item.append(checkin ? "f" : "full");
                              break;
                          default:
                              item.append(oldStatus);
                              break;
                      }
                  }
                  if (oldHealth != rec.batteryHealth) {
                      oldHealth = rec.batteryHealth;
                      item.append(checkin ? ",Bh=" : " health=");
                      switch (oldHealth) {
                          case BatteryManager.BATTERY_HEALTH_UNKNOWN:
                              item.append(checkin ? "?" : "unknown");
                              break;
                          case BatteryManager.BATTERY_HEALTH_GOOD:
                              item.append(checkin ? "g" : "good");
                              break;
                          case BatteryManager.BATTERY_HEALTH_OVERHEAT:
                              item.append(checkin ? "h" : "overheat");
                              break;
                          case BatteryManager.BATTERY_HEALTH_DEAD:
                              item.append(checkin ? "d" : "dead");
                              break;
                          case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
                              item.append(checkin ? "v" : "over-voltage");
                              break;
                          case BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE:
                              item.append(checkin ? "f" : "failure");
                              break;
                          case BatteryManager.BATTERY_HEALTH_COLD:
                              item.append(checkin ? "c" : "cold");
                              break;
                          default:
                              item.append(oldHealth);
                              break;
                      }
                  }
                  if (oldPlug != rec.batteryPlugType) {
                      oldPlug = rec.batteryPlugType;
                      item.append(checkin ? ",Bp=" : " plug=");
                      switch (oldPlug) {
                          case 0:
                              item.append(checkin ? "n" : "none");
                              break;
                          case BatteryManager.BATTERY_PLUGGED_AC:
                              item.append(checkin ? "a" : "ac");
                              break;
                          case BatteryManager.BATTERY_PLUGGED_USB:
                              item.append(checkin ? "u" : "usb");
                              break;
                          case BatteryManager.BATTERY_PLUGGED_WIRELESS:
                              item.append(checkin ? "w" : "wireless");
                              break;
                          default:
                              item.append(oldPlug);
                              break;
                      }
                  }
                  if (oldTemp != rec.batteryTemperature) {
                      oldTemp = rec.batteryTemperature;
                      item.append(checkin ? ",Bt=" : " temp=");
                      item.append(oldTemp);
                  }
                  if (oldVolt != rec.batteryVoltage) {
                      oldVolt = rec.batteryVoltage;
                      item.append(checkin ? ",Bv=" : " volt=");
                      item.append(oldVolt);
                  }
                  final int chargeMAh = rec.batteryChargeUAh / 1000;
                  if (oldChargeMAh != chargeMAh) {
                      oldChargeMAh = chargeMAh;
                      item.append(checkin ? ",Bcc=" : " charge=");
                      item.append(oldChargeMAh);
                  }
                  if (oldModemRailChargeMah != rec.modemRailChargeMah) {
                      oldModemRailChargeMah = rec.modemRailChargeMah;
                      item.append(checkin ? ",Mrc=" : " modemRailChargemAh=");
                      item.append(new DecimalFormat("#.##").format(oldModemRailChargeMah));
                  }
                  if (oldWifiRailChargeMah != rec.wifiRailChargeMah) {
                      oldWifiRailChargeMah = rec.wifiRailChargeMah;
                      item.append(checkin ? ",Wrc=" : " wifiRailChargemAh=");
                      item.append(new DecimalFormat("#.##").format(oldWifiRailChargeMah));
                  }
                  printBitDescriptions(item, oldState, rec.states, rec.wakelockTag,
                          HISTORY_STATE_DESCRIPTIONS, !checkin);
                  printBitDescriptions(item, oldState2, rec.states2, null,
                          HISTORY_STATE2_DESCRIPTIONS, !checkin);
                  if (rec.wakeReasonTag != null) {
                      if (checkin) {
                          item.append(",wr=");
                          item.append(rec.wakeReasonTag.poolIdx);
                      } else {
                          item.append(" wake_reason=");
                          item.append(rec.wakeReasonTag.uid);
                          item.append(":\"");
                          item.append(rec.wakeReasonTag.string);
                          item.append("\"");
                      }
                  }
                  if (rec.eventCode != HistoryItem.EVENT_NONE) {
                      item.append(checkin ? "," : " ");
                      if ((rec.eventCode&HistoryItem.EVENT_FLAG_START) != 0) {
                          item.append("+");
                      } else if ((rec.eventCode&HistoryItem.EVENT_FLAG_FINISH) != 0) {
                          item.append("-");
                      }
                      String[] eventNames = checkin ? HISTORY_EVENT_CHECKIN_NAMES
                              : HISTORY_EVENT_NAMES;
                      int idx = rec.eventCode & ~(HistoryItem.EVENT_FLAG_START
                              | HistoryItem.EVENT_FLAG_FINISH);
                      if (idx >= 0 && idx < eventNames.length) {
                          item.append(eventNames[idx]);
                      } else {
                          item.append(checkin ? "Ev" : "event");
                          item.append(idx);
                      }
                      item.append("=");
                      if (checkin) {
                          item.append(rec.eventTag.poolIdx);
                      } else {
                          item.append(HISTORY_EVENT_INT_FORMATTERS[idx]
                                  .applyAsString(rec.eventTag.uid));
                          item.append(":\"");
                          item.append(rec.eventTag.string);
                          item.append("\"");
                      }
                  }
                  item.append("\n");
                  if (rec.stepDetails != null) {
                      if (!checkin) {
                          item.append("                 Details: cpu=");
                          item.append(rec.stepDetails.userTime);
                          item.append("u+");
                          item.append(rec.stepDetails.systemTime);
                          item.append("s");
                          if (rec.stepDetails.appCpuUid1 >= 0) {
                              item.append(" (");
                              printStepCpuUidDetails(item, rec.stepDetails.appCpuUid1,
                                      rec.stepDetails.appCpuUTime1, rec.stepDetails.appCpuSTime1);
                              if (rec.stepDetails.appCpuUid2 >= 0) {
                                  item.append(", ");
                                  printStepCpuUidDetails(item, rec.stepDetails.appCpuUid2,
                                          rec.stepDetails.appCpuUTime2, rec.stepDetails.appCpuSTime2);
                              }
                              if (rec.stepDetails.appCpuUid3 >= 0) {
                                  item.append(", ");
                                  printStepCpuUidDetails(item, rec.stepDetails.appCpuUid3,
                                          rec.stepDetails.appCpuUTime3, rec.stepDetails.appCpuSTime3);
                              }
                              item.append(')');
                          }
                          item.append("\n");
                          item.append("                          /proc/stat=");
                          item.append(rec.stepDetails.statUserTime);
                          item.append(" usr, ");
                          item.append(rec.stepDetails.statSystemTime);
                          item.append(" sys, ");
                          item.append(rec.stepDetails.statIOWaitTime);
                          item.append(" io, ");
                          item.append(rec.stepDetails.statIrqTime);
                          item.append(" irq, ");
                          item.append(rec.stepDetails.statSoftIrqTime);
                          item.append(" sirq, ");
                          item.append(rec.stepDetails.statIdlTime);
                          item.append(" idle");
                          int totalRun = rec.stepDetails.statUserTime + rec.stepDetails.statSystemTime
                                  + rec.stepDetails.statIOWaitTime + rec.stepDetails.statIrqTime
                                  + rec.stepDetails.statSoftIrqTime;
                          int total = totalRun + rec.stepDetails.statIdlTime;
                          if (total > 0) {
                              item.append(" (");
                              float perc = ((float)totalRun) / ((float)total) * 100;
                              item.append(String.format("%.1f%%", perc));
                              item.append(" of ");
                              StringBuilder sb = new StringBuilder(64);
                              formatTimeMsNoSpace(sb, total*10);
                              item.append(sb);
                              item.append(")");
                          }
                          item.append(", PlatformIdleStat ");
                          item.append(rec.stepDetails.statPlatformIdleState);
                          item.append("\n");
  
                          item.append(", SubsystemPowerState ");
                          item.append(rec.stepDetails.statSubsystemPowerState);
                          item.append("\n");
                      } else {
                          item.append(BATTERY_STATS_CHECKIN_VERSION); item.append(',');
                          item.append(HISTORY_DATA); item.append(",0,Dcpu=");
                          item.append(rec.stepDetails.userTime);
                          item.append(":");
                          item.append(rec.stepDetails.systemTime);
                          if (rec.stepDetails.appCpuUid1 >= 0) {
                              printStepCpuUidCheckinDetails(item, rec.stepDetails.appCpuUid1,
                                      rec.stepDetails.appCpuUTime1, rec.stepDetails.appCpuSTime1);
                              if (rec.stepDetails.appCpuUid2 >= 0) {
                                  printStepCpuUidCheckinDetails(item, rec.stepDetails.appCpuUid2,
                                          rec.stepDetails.appCpuUTime2, rec.stepDetails.appCpuSTime2);
                              }
                              if (rec.stepDetails.appCpuUid3 >= 0) {
                                  printStepCpuUidCheckinDetails(item, rec.stepDetails.appCpuUid3,
                                          rec.stepDetails.appCpuUTime3, rec.stepDetails.appCpuSTime3);
                              }
                          }
                          item.append("\n");
                          item.append(BATTERY_STATS_CHECKIN_VERSION); item.append(',');
                          item.append(HISTORY_DATA); item.append(",0,Dpst=");
                          item.append(rec.stepDetails.statUserTime);
                          item.append(',');
                          item.append(rec.stepDetails.statSystemTime);
                          item.append(',');
                          item.append(rec.stepDetails.statIOWaitTime);
                          item.append(',');
                          item.append(rec.stepDetails.statIrqTime);
                          item.append(',');
                          item.append(rec.stepDetails.statSoftIrqTime);
                          item.append(',');
                          item.append(rec.stepDetails.statIdlTime);
                          item.append(',');
                          if (rec.stepDetails.statPlatformIdleState != null) {
                              item.append(rec.stepDetails.statPlatformIdleState);
                              if (rec.stepDetails.statSubsystemPowerState != null) {
                                  item.append(',');
                              }
                          }
  
                          if (rec.stepDetails.statSubsystemPowerState != null) {
                              item.append(rec.stepDetails.statSubsystemPowerState);
                          }
                          item.append("\n");
                      }
                  }
                  oldState = rec.states;
                  oldState2 = rec.states2;
                  // Clear High Tx Power Flag for volta positioning
                  if ((rec.states2 & HistoryItem.STATE2_CELLULAR_HIGH_TX_POWER_FLAG) != 0) {
                      rec.states2 &= ~HistoryItem.STATE2_CELLULAR_HIGH_TX_POWER_FLAG;
                  }
              }
  
              return item.toString();
          }
  
          private void printStepCpuUidDetails(StringBuilder sb, int uid, int utime, int stime) {
              UserHandle.formatUid(sb, uid);
              sb.append("=");
              sb.append(utime);
              sb.append("u+");
              sb.append(stime);
              sb.append("s");
          }
  
          private void printStepCpuUidCheckinDetails(StringBuilder sb, int uid, int utime,
                  int stime) {
              sb.append('/');
              sb.append(uid);
              sb.append(":");
              sb.append(utime);
              sb.append(":");
              sb.append(stime);
          }
      }
  
      private void printSizeValue(PrintWriter pw, long size) {
          float result = size;
          String suffix = "";
          if (result >= 10*1024) {
              suffix = "KB";
              result = result / 1024;
          }
          if (result >= 10*1024) {
              suffix = "MB";
              result = result / 1024;
          }
          if (result >= 10*1024) {
              suffix = "GB";
              result = result / 1024;
          }
          if (result >= 10*1024) {
              suffix = "TB";
              result = result / 1024;
          }
          if (result >= 10*1024) {
              suffix = "PB";
              result = result / 1024;
          }
          pw.print((int)result);
          pw.print(suffix);
      }
  
      private static boolean dumpTimeEstimate(PrintWriter pw, String label1, String label2,
              String label3, long estimatedTime) {
          if (estimatedTime < 0) {
              return false;
          }
          pw.print(label1);
          pw.print(label2);
          pw.print(label3);
          StringBuilder sb = new StringBuilder(64);
          formatTimeMs(sb, estimatedTime);
          pw.print(sb);
          pw.println();
          return true;
      }
  
      private static boolean dumpDurationSteps(PrintWriter pw, String prefix, String header,
              LevelStepTracker steps, boolean checkin) {
          if (steps == null) {
              return false;
          }
          int count = steps.mNumStepDurations;
          if (count <= 0) {
              return false;
          }
          if (!checkin) {
              pw.println(header);
          }
          String[] lineArgs = new String[5];
          for (int i=0; i<count; i++) {
              long duration = steps.getDurationAt(i);
              int level = steps.getLevelAt(i);
              long initMode = steps.getInitModeAt(i);
              long modMode = steps.getModModeAt(i);
              if (checkin) {
                  lineArgs[0] = Long.toString(duration);
                  lineArgs[1] = Integer.toString(level);
                  if ((modMode&STEP_LEVEL_MODE_SCREEN_STATE) == 0) {
                      switch ((int)(initMode&STEP_LEVEL_MODE_SCREEN_STATE) + 1) {
                          case Display.STATE_OFF: lineArgs[2] = "s-"; break;
                          case Display.STATE_ON: lineArgs[2] = "s+"; break;
                          case Display.STATE_DOZE: lineArgs[2] = "sd"; break;
                          case Display.STATE_DOZE_SUSPEND: lineArgs[2] = "sds"; break;
                          default: lineArgs[2] = "?"; break;
                      }
                  } else {
                      lineArgs[2] = "";
                  }
                  if ((modMode&STEP_LEVEL_MODE_POWER_SAVE) == 0) {
                      lineArgs[3] = (initMode&STEP_LEVEL_MODE_POWER_SAVE) != 0 ? "p+" : "p-";
                  } else {
                      lineArgs[3] = "";
                  }
                  if ((modMode&STEP_LEVEL_MODE_DEVICE_IDLE) == 0) {
                      lineArgs[4] = (initMode&STEP_LEVEL_MODE_DEVICE_IDLE) != 0 ? "i+" : "i-";
                  } else {
                      lineArgs[4] = "";
                  }
                  dumpLine(pw, 0 /* uid */, "i" /* category */, header, (Object[])lineArgs);
              } else {
                  pw.print(prefix);
                  pw.print("#"); pw.print(i); pw.print(": ");
                  TimeUtils.formatDuration(duration, pw);
                  pw.print(" to "); pw.print(level);
                  boolean haveModes = false;
                  if ((modMode&STEP_LEVEL_MODE_SCREEN_STATE) == 0) {
                      pw.print(" (");
                      switch ((int)(initMode&STEP_LEVEL_MODE_SCREEN_STATE) + 1) {
                          case Display.STATE_OFF: pw.print("screen-off"); break;
                          case Display.STATE_ON: pw.print("screen-on"); break;
                          case Display.STATE_DOZE: pw.print("screen-doze"); break;
                          case Display.STATE_DOZE_SUSPEND: pw.print("screen-doze-suspend"); break;
                          default: pw.print("screen-?"); break;
                      }
                      haveModes = true;
                  }
                  if ((modMode&STEP_LEVEL_MODE_POWER_SAVE) == 0) {
                      pw.print(haveModes ? ", " : " (");
                      pw.print((initMode&STEP_LEVEL_MODE_POWER_SAVE) != 0
                              ? "power-save-on" : "power-save-off");
                      haveModes = true;
                  }
                  if ((modMode&STEP_LEVEL_MODE_DEVICE_IDLE) == 0) {
                      pw.print(haveModes ? ", " : " (");
                      pw.print((initMode&STEP_LEVEL_MODE_DEVICE_IDLE) != 0
                              ? "device-idle-on" : "device-idle-off");
                      haveModes = true;
                  }
                  if (haveModes) {
                      pw.print(")");
                  }
                  pw.println();
              }
          }
          return true;
      }
  
      private static void dumpDurationSteps(ProtoOutputStream proto, long fieldId,
              LevelStepTracker steps) {
          if (steps == null) {
              return;
          }
          int count = steps.mNumStepDurations;
          for (int i = 0; i < count; ++i) {
              long token = proto.start(fieldId);
              proto.write(SystemProto.BatteryLevelStep.DURATION_MS, steps.getDurationAt(i));
              proto.write(SystemProto.BatteryLevelStep.LEVEL, steps.getLevelAt(i));
  
              final long initMode = steps.getInitModeAt(i);
              final long modMode = steps.getModModeAt(i);
  
              int ds = SystemProto.BatteryLevelStep.DS_MIXED;
              if ((modMode & STEP_LEVEL_MODE_SCREEN_STATE) == 0) {
                  switch ((int) (initMode & STEP_LEVEL_MODE_SCREEN_STATE) + 1) {
                      case Display.STATE_OFF:
                          ds = SystemProto.BatteryLevelStep.DS_OFF;
                          break;
                      case Display.STATE_ON:
                          ds = SystemProto.BatteryLevelStep.DS_ON;
                          break;
                      case Display.STATE_DOZE:
                          ds = SystemProto.BatteryLevelStep.DS_DOZE;
                          break;
                      case Display.STATE_DOZE_SUSPEND:
                          ds = SystemProto.BatteryLevelStep.DS_DOZE_SUSPEND;
                          break;
                      default:
                          ds = SystemProto.BatteryLevelStep.DS_ERROR;
                          break;
                  }
              }
              proto.write(SystemProto.BatteryLevelStep.DISPLAY_STATE, ds);
  
              int psm = SystemProto.BatteryLevelStep.PSM_MIXED;
              if ((modMode & STEP_LEVEL_MODE_POWER_SAVE) == 0) {
                  psm = (initMode & STEP_LEVEL_MODE_POWER_SAVE) != 0
                      ? SystemProto.BatteryLevelStep.PSM_ON : SystemProto.BatteryLevelStep.PSM_OFF;
              }
              proto.write(SystemProto.BatteryLevelStep.POWER_SAVE_MODE, psm);
  
              int im = SystemProto.BatteryLevelStep.IM_MIXED;
              if ((modMode & STEP_LEVEL_MODE_DEVICE_IDLE) == 0) {
                  im = (initMode & STEP_LEVEL_MODE_DEVICE_IDLE) != 0
                      ? SystemProto.BatteryLevelStep.IM_ON : SystemProto.BatteryLevelStep.IM_OFF;
              }
              proto.write(SystemProto.BatteryLevelStep.IDLE_MODE, im);
  
              proto.end(token);
          }
      }
  
      public static final int DUMP_CHARGED_ONLY = 1<<1;
      public static final int DUMP_DAILY_ONLY = 1<<2;
      public static final int DUMP_HISTORY_ONLY = 1<<3;
      public static final int DUMP_INCLUDE_HISTORY = 1<<4;
      public static final int DUMP_VERBOSE = 1<<5;
      public static final int DUMP_DEVICE_WIFI_ONLY = 1<<6;
  
      private void dumpHistoryLocked(PrintWriter pw, int flags, long histStart, boolean checkin) {
          final HistoryPrinter hprinter = new HistoryPrinter();
          final HistoryItem rec = new HistoryItem();
          long lastTime = -1;
          long baseTime = -1;
          boolean printed = false;
          HistoryEventTracker tracker = null;
          while (getNextHistoryLocked(rec)) {
              lastTime = rec.time;
              if (baseTime < 0) {
                  baseTime = lastTime;
              }
              if (rec.time >= histStart) {
                  if (histStart >= 0 && !printed) {
                      if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
                              || rec.cmd == HistoryItem.CMD_RESET
                              || rec.cmd == HistoryItem.CMD_START
                              || rec.cmd == HistoryItem.CMD_SHUTDOWN) {
                          printed = true;
                          hprinter.printNextItem(pw, rec, baseTime, checkin,
                                  (flags&DUMP_VERBOSE) != 0);
                          rec.cmd = HistoryItem.CMD_UPDATE;
                      } else if (rec.currentTime != 0) {
                          printed = true;
                          byte cmd = rec.cmd;
                          rec.cmd = HistoryItem.CMD_CURRENT_TIME;
                          hprinter.printNextItem(pw, rec, baseTime, checkin,
                                  (flags&DUMP_VERBOSE) != 0);
                          rec.cmd = cmd;
                      }
                      if (tracker != null) {
                          if (rec.cmd != HistoryItem.CMD_UPDATE) {
                              hprinter.printNextItem(pw, rec, baseTime, checkin,
                                      (flags&DUMP_VERBOSE) != 0);
                              rec.cmd = HistoryItem.CMD_UPDATE;
                          }
                          int oldEventCode = rec.eventCode;
                          HistoryTag oldEventTag = rec.eventTag;
                          rec.eventTag = new HistoryTag();
                          for (int i=0; i<HistoryItem.EVENT_COUNT; i++) {
                              HashMap<String, SparseIntArray> active
                                      = tracker.getStateForEvent(i);
                              if (active == null) {
                                  continue;
                              }
                              for (HashMap.Entry<String, SparseIntArray> ent
                                      : active.entrySet()) {
                                  SparseIntArray uids = ent.getValue();
                                  for (int j=0; j<uids.size(); j++) {
                                      rec.eventCode = i;
                                      rec.eventTag.string = ent.getKey();
                                      rec.eventTag.uid = uids.keyAt(j);
                                      rec.eventTag.poolIdx = uids.valueAt(j);
                                      hprinter.printNextItem(pw, rec, baseTime, checkin,
                                              (flags&DUMP_VERBOSE) != 0);
                                      rec.wakeReasonTag = null;
                                      rec.wakelockTag = null;
                                  }
                              }
                          }
                          rec.eventCode = oldEventCode;
                          rec.eventTag = oldEventTag;
                          tracker = null;
                      }
                  }
                  hprinter.printNextItem(pw, rec, baseTime, checkin,
                          (flags&DUMP_VERBOSE) != 0);
              } else if (false && rec.eventCode != HistoryItem.EVENT_NONE) {
                  // This is an attempt to aggregate the previous state and generate
                  // fake events to reflect that state at the point where we start
                  // printing real events.  It doesn't really work right, so is turned off.
                  if (tracker == null) {
                      tracker = new HistoryEventTracker();
                  }
                  tracker.updateState(rec.eventCode, rec.eventTag.string,
                          rec.eventTag.uid, rec.eventTag.poolIdx);
              }
          }
          if (histStart >= 0) {
              commitCurrentHistoryBatchLocked();
              pw.print(checkin ? "NEXT: " : "  NEXT: "); pw.println(lastTime+1);
          }
      }
  
      private void dumpDailyLevelStepSummary(PrintWriter pw, String prefix, String label,
              LevelStepTracker steps, StringBuilder tmpSb, int[] tmpOutInt) {
          if (steps == null) {
              return;
          }
          long timeRemaining = steps.computeTimeEstimate(0, 0, tmpOutInt);
          if (timeRemaining >= 0) {
              pw.print(prefix); pw.print(label); pw.print(" total time: ");
              tmpSb.setLength(0);
              formatTimeMs(tmpSb, timeRemaining);
              pw.print(tmpSb);
              pw.print(" (from "); pw.print(tmpOutInt[0]);
              pw.println(" steps)");
          }
          for (int i=0; i< STEP_LEVEL_MODES_OF_INTEREST.length; i++) {
              long estimatedTime = steps.computeTimeEstimate(STEP_LEVEL_MODES_OF_INTEREST[i],
                      STEP_LEVEL_MODE_VALUES[i], tmpOutInt);
              if (estimatedTime > 0) {
                  pw.print(prefix); pw.print(label); pw.print(" ");
                  pw.print(STEP_LEVEL_MODE_LABELS[i]);
                  pw.print(" time: ");
                  tmpSb.setLength(0);
                  formatTimeMs(tmpSb, estimatedTime);
                  pw.print(tmpSb);
                  pw.print(" (from "); pw.print(tmpOutInt[0]);
                  pw.println(" steps)");
              }
          }
      }
  
      private void dumpDailyPackageChanges(PrintWriter pw, String prefix,
              ArrayList<PackageChange> changes) {
          if (changes == null) {
              return;
          }
          pw.print(prefix); pw.println("Package changes:");
          for (int i=0; i<changes.size(); i++) {
              PackageChange pc = changes.get(i);
              if (pc.mUpdate) {
                  pw.print(prefix); pw.print("  Update "); pw.print(pc.mPackageName);
                  pw.print(" vers="); pw.println(pc.mVersionCode);
              } else {
                  pw.print(prefix); pw.print("  Uninstall "); pw.println(pc.mPackageName);
              }
          }
      }
  
      /**
       * Dumps a human-readable summary of the battery statistics to the given PrintWriter.
       *
       * @param pw a Printer to receive the dump output.
       */
      @SuppressWarnings("unused")
      public void dumpLocked(Context context, PrintWriter pw, int flags, int reqUid, long histStart) {
          prepareForDumpLocked();
  
          final boolean filtering = (flags
                  & (DUMP_HISTORY_ONLY|DUMP_CHARGED_ONLY|DUMP_DAILY_ONLY)) != 0;
  
          if ((flags&DUMP_HISTORY_ONLY) != 0 || !filtering) {
              final long historyTotalSize = getHistoryTotalSize();
              final long historyUsedSize = getHistoryUsedSize();
              if (startIteratingHistoryLocked()) {
                  try {
                      pw.print("Battery History (");
                      pw.print((100*historyUsedSize)/historyTotalSize);
                      pw.print("% used, ");
                      printSizeValue(pw, historyUsedSize);
                      pw.print(" used of ");
                      printSizeValue(pw, historyTotalSize);
                      pw.print(", ");
                      pw.print(getHistoryStringPoolSize());
                      pw.print(" strings using ");
                      printSizeValue(pw, getHistoryStringPoolBytes());
                      pw.println("):");
                      dumpHistoryLocked(pw, flags, histStart, false);
                      pw.println();
                  } finally {
                      finishIteratingHistoryLocked();
                  }
              }
  
              if (startIteratingOldHistoryLocked()) {
                  try {
                      final HistoryItem rec = new HistoryItem();
                      pw.println("Old battery History:");
                      HistoryPrinter hprinter = new HistoryPrinter();
                      long baseTime = -1;
                      while (getNextOldHistoryLocked(rec)) {
                          if (baseTime < 0) {
                              baseTime = rec.time;
                          }
                          hprinter.printNextItem(pw, rec, baseTime, false, (flags&DUMP_VERBOSE) != 0);
                      }
                      pw.println();
                  } finally {
                      finishIteratingOldHistoryLocked();
                  }
              }
          }
  
          if (filtering && (flags&(DUMP_CHARGED_ONLY|DUMP_DAILY_ONLY)) == 0) {
              return;
          }
  
          if (!filtering) {
              SparseArray<? extends Uid> uidStats = getUidStats();
              final int NU = uidStats.size();
              boolean didPid = false;
              long nowRealtime = SystemClock.elapsedRealtime();
              for (int i=0; i<NU; i++) {
                  Uid uid = uidStats.valueAt(i);
                  SparseArray<? extends Uid.Pid> pids = uid.getPidStats();
                  if (pids != null) {
                      for (int j=0; j<pids.size(); j++) {
                          Uid.Pid pid = pids.valueAt(j);
                          if (!didPid) {
                              pw.println("Per-PID Stats:");
                              didPid = true;
                          }
                          long time = pid.mWakeSumMs + (pid.mWakeNesting > 0
                                  ? (nowRealtime - pid.mWakeStartMs) : 0);
                          pw.print("  PID "); pw.print(pids.keyAt(j));
                                  pw.print(" wake time: ");
                                  TimeUtils.formatDuration(time, pw);
                                  pw.println("");
                      }
                  }
              }
              if (didPid) {
                  pw.println();
              }
          }
  
          if (!filtering || (flags&DUMP_CHARGED_ONLY) != 0) {
              if (dumpDurationSteps(pw, "  ", "Discharge step durations:",
                      getDischargeLevelStepTracker(), false)) {
                  long timeRemaining = computeBatteryTimeRemaining(
                      SystemClock.elapsedRealtime() * 1000);
                  if (timeRemaining >= 0) {
                      pw.print("  Estimated discharge time remaining: ");
                      TimeUtils.formatDuration(timeRemaining / 1000, pw);
                      pw.println();
                  }
                  final LevelStepTracker steps = getDischargeLevelStepTracker();
                  for (int i=0; i< STEP_LEVEL_MODES_OF_INTEREST.length; i++) {
                      dumpTimeEstimate(pw, "  Estimated ", STEP_LEVEL_MODE_LABELS[i], " time: ",
                              steps.computeTimeEstimate(STEP_LEVEL_MODES_OF_INTEREST[i],
                                      STEP_LEVEL_MODE_VALUES[i], null));
                  }
                  pw.println();
              }
              if (dumpDurationSteps(pw, "  ", "Charge step durations:",
                      getChargeLevelStepTracker(), false)) {
                  long timeRemaining = computeChargeTimeRemaining(
                      SystemClock.elapsedRealtime() * 1000);
                  if (timeRemaining >= 0) {
                      pw.print("  Estimated charge time remaining: ");
                      TimeUtils.formatDuration(timeRemaining / 1000, pw);
                      pw.println();
                  }
                  pw.println();
              }
          }
          if (!filtering || (flags & DUMP_DAILY_ONLY) != 0) {
              pw.println("Daily stats:");
              pw.print("  Current start time: ");
              pw.println(DateFormat.format("yyyy-MM-dd-HH-mm-ss",
                      getCurrentDailyStartTime()).toString());
              pw.print("  Next min deadline: ");
              pw.println(DateFormat.format("yyyy-MM-dd-HH-mm-ss",
                      getNextMinDailyDeadline()).toString());
              pw.print("  Next max deadline: ");
              pw.println(DateFormat.format("yyyy-MM-dd-HH-mm-ss",
                      getNextMaxDailyDeadline()).toString());
              StringBuilder sb = new StringBuilder(64);
              int[] outInt = new int[1];
              LevelStepTracker dsteps = getDailyDischargeLevelStepTracker();
              LevelStepTracker csteps = getDailyChargeLevelStepTracker();
              ArrayList<PackageChange> pkgc = getDailyPackageChanges();
              if (dsteps.mNumStepDurations > 0 || csteps.mNumStepDurations > 0 || pkgc != null) {
                  if ((flags&DUMP_DAILY_ONLY) != 0 || !filtering) {
                      if (dumpDurationSteps(pw, "    ", "  Current daily discharge step durations:",
                              dsteps, false)) {
                          dumpDailyLevelStepSummary(pw, "      ", "Discharge", dsteps,
                                  sb, outInt);
                      }
                      if (dumpDurationSteps(pw, "    ", "  Current daily charge step durations:",
                              csteps, false)) {
                          dumpDailyLevelStepSummary(pw, "      ", "Charge", csteps,
                                  sb, outInt);
                      }
                      dumpDailyPackageChanges(pw, "    ", pkgc);
                  } else {
                      pw.println("  Current daily steps:");
                      dumpDailyLevelStepSummary(pw, "    ", "Discharge", dsteps,
                              sb, outInt);
                      dumpDailyLevelStepSummary(pw, "    ", "Charge", csteps,
                              sb, outInt);
                  }
              }
              DailyItem dit;
              int curIndex = 0;
              while ((dit=getDailyItemLocked(curIndex)) != null) {
                  curIndex++;
                  if ((flags&DUMP_DAILY_ONLY) != 0) {
                      pw.println();
                  }
                  pw.print("  Daily from ");
                  pw.print(DateFormat.format("yyyy-MM-dd-HH-mm-ss", dit.mStartTime).toString());
                  pw.print(" to ");
                  pw.print(DateFormat.format("yyyy-MM-dd-HH-mm-ss", dit.mEndTime).toString());
                  pw.println(":");
                  if ((flags&DUMP_DAILY_ONLY) != 0 || !filtering) {
                      if (dumpDurationSteps(pw, "      ",
                              "    Discharge step durations:", dit.mDischargeSteps, false)) {
                          dumpDailyLevelStepSummary(pw, "        ", "Discharge", dit.mDischargeSteps,
                                  sb, outInt);
                      }
                      if (dumpDurationSteps(pw, "      ",
                              "    Charge step durations:", dit.mChargeSteps, false)) {
                          dumpDailyLevelStepSummary(pw, "        ", "Charge", dit.mChargeSteps,
                                  sb, outInt);
                      }
                      dumpDailyPackageChanges(pw, "    ", dit.mPackageChanges);
                  } else {
                      dumpDailyLevelStepSummary(pw, "    ", "Discharge", dit.mDischargeSteps,
                              sb, outInt);
                      dumpDailyLevelStepSummary(pw, "    ", "Charge", dit.mChargeSteps,
                              sb, outInt);
                  }
              }
              pw.println();
          }
          if (!filtering || (flags&DUMP_CHARGED_ONLY) != 0) {
              pw.println("Statistics since last charge:");
              pw.println("  System starts: " + getStartCount()
                      + ", currently on battery: " + getIsOnBattery());
              dumpLocked(context, pw, "", STATS_SINCE_CHARGED, reqUid,
                      (flags&DUMP_DEVICE_WIFI_ONLY) != 0);
              pw.println();
          }
      }
  
      // This is called from BatteryStatsService.
      @SuppressWarnings("unused")
      public void dumpCheckinLocked(Context context, PrintWriter pw,
              List<ApplicationInfo> apps, int flags, long histStart) {
          prepareForDumpLocked();
  
          dumpLine(pw, 0 /* uid */, "i" /* category */, VERSION_DATA,
                  CHECKIN_VERSION, getParcelVersion(), getStartPlatformVersion(),
                  getEndPlatformVersion());
  
          long now = getHistoryBaseTime() + SystemClock.elapsedRealtime();
  
          if ((flags & (DUMP_INCLUDE_HISTORY | DUMP_HISTORY_ONLY)) != 0) {
              if (startIteratingHistoryLocked()) {
                  try {
                      for (int i=0; i<getHistoryStringPoolSize(); i++) {
                          pw.print(BATTERY_STATS_CHECKIN_VERSION); pw.print(',');
                          pw.print(HISTORY_STRING_POOL); pw.print(',');
                          pw.print(i);
                          pw.print(",");
                          pw.print(getHistoryTagPoolUid(i));
                          pw.print(",\"");
                          String str = getHistoryTagPoolString(i);
                          str = str.replace("\\", "\\\\");
                          str = str.replace("\"", "\\\"");
                          pw.print(str);
                          pw.print("\"");
                          pw.println();
                      }
                      dumpHistoryLocked(pw, flags, histStart, true);
                  } finally {
                      finishIteratingHistoryLocked();
                  }
              }
          }
  
          if ((flags & DUMP_HISTORY_ONLY) != 0) {
              return;
          }
  
          if (apps != null) {
              SparseArray<Pair<ArrayList<String>, MutableBoolean>> uids = new SparseArray<>();
              for (int i=0; i<apps.size(); i++) {
                  ApplicationInfo ai = apps.get(i);
                  Pair<ArrayList<String>, MutableBoolean> pkgs = uids.get(
                          UserHandle.getAppId(ai.uid));
                  if (pkgs == null) {
                      pkgs = new Pair<>(new ArrayList<String>(), new MutableBoolean(false));
                      uids.put(UserHandle.getAppId(ai.uid), pkgs);
                  }
                  pkgs.first.add(ai.packageName);
              }
              SparseArray<? extends Uid> uidStats = getUidStats();
              final int NU = uidStats.size();
              String[] lineArgs = new String[2];
              for (int i=0; i<NU; i++) {
                  int uid = UserHandle.getAppId(uidStats.keyAt(i));
                  Pair<ArrayList<String>, MutableBoolean> pkgs = uids.get(uid);
                  if (pkgs != null && !pkgs.second.value) {
                      pkgs.second.value = true;
                      for (int j=0; j<pkgs.first.size(); j++) {
                          lineArgs[0] = Integer.toString(uid);
                          lineArgs[1] = pkgs.first.get(j);
                          dumpLine(pw, 0 /* uid */, "i" /* category */, UID_DATA,
                                  (Object[])lineArgs);
                      }
                  }
              }
          }
          if ((flags & DUMP_DAILY_ONLY) == 0) {
              dumpDurationSteps(pw, "", DISCHARGE_STEP_DATA, getDischargeLevelStepTracker(), true);
              String[] lineArgs = new String[1];
              long timeRemaining = computeBatteryTimeRemaining(SystemClock.elapsedRealtime() * 1000);
              if (timeRemaining >= 0) {
                  lineArgs[0] = Long.toString(timeRemaining);
                  dumpLine(pw, 0 /* uid */, "i" /* category */, DISCHARGE_TIME_REMAIN_DATA,
                          (Object[])lineArgs);
              }
              dumpDurationSteps(pw, "", CHARGE_STEP_DATA, getChargeLevelStepTracker(), true);
              timeRemaining = computeChargeTimeRemaining(SystemClock.elapsedRealtime() * 1000);
              if (timeRemaining >= 0) {
                  lineArgs[0] = Long.toString(timeRemaining);
                  dumpLine(pw, 0 /* uid */, "i" /* category */, CHARGE_TIME_REMAIN_DATA,
                          (Object[])lineArgs);
              }
              dumpCheckinLocked(context, pw, STATS_SINCE_CHARGED, -1,
                      (flags&DUMP_DEVICE_WIFI_ONLY) != 0);
          }
      }
  
      /**
       * Dump #STATS_SINCE_CHARGED batterystats data to a proto. If the flags include
       * DUMP_INCLUDE_HISTORY or DUMP_HISTORY_ONLY, only the history will be dumped.
       * @hide
       */
      public void dumpProtoLocked(Context context, FileDescriptor fd, List<ApplicationInfo> apps,
              int flags, long histStart) {
          final ProtoOutputStream proto = new ProtoOutputStream(fd);
          prepareForDumpLocked();
  
          if ((flags & (DUMP_INCLUDE_HISTORY | DUMP_HISTORY_ONLY)) != 0) {
              dumpProtoHistoryLocked(proto, flags, histStart);
              proto.flush();
              return;
          }
  
          final long bToken = proto.start(BatteryStatsServiceDumpProto.BATTERYSTATS);
  
          proto.write(BatteryStatsProto.REPORT_VERSION, CHECKIN_VERSION);
          proto.write(BatteryStatsProto.PARCEL_VERSION, getParcelVersion());
          proto.write(BatteryStatsProto.START_PLATFORM_VERSION, getStartPlatformVersion());
          proto.write(BatteryStatsProto.END_PLATFORM_VERSION, getEndPlatformVersion());
  
          if ((flags & DUMP_DAILY_ONLY) == 0) {
              final BatteryStatsHelper helper = new BatteryStatsHelper(context, false,
                      (flags & DUMP_DEVICE_WIFI_ONLY) != 0);
              helper.create(this);
              helper.refreshStats(STATS_SINCE_CHARGED, UserHandle.USER_ALL);
  
              dumpProtoAppsLocked(proto, helper, apps);
              dumpProtoSystemLocked(proto, helper);
          }
  
          proto.end(bToken);
          proto.flush();
      }
  
      private void dumpProtoAppsLocked(ProtoOutputStream proto, BatteryStatsHelper helper,
              List<ApplicationInfo> apps) {
          final int which = STATS_SINCE_CHARGED;
          final long rawUptimeUs = SystemClock.uptimeMillis() * 1000;
          final long rawRealtimeMs = SystemClock.elapsedRealtime();
          final long rawRealtimeUs = rawRealtimeMs * 1000;
          final long batteryUptimeUs = getBatteryUptime(rawUptimeUs);
  
          SparseArray<ArrayList<String>> aidToPackages = new SparseArray<>();
          if (apps != null) {
              for (int i = 0; i < apps.size(); ++i) {
                  ApplicationInfo ai = apps.get(i);
                  int aid = UserHandle.getAppId(ai.uid);
                  ArrayList<String> pkgs = aidToPackages.get(aid);
                  if (pkgs == null) {
                      pkgs = new ArrayList<String>();
                      aidToPackages.put(aid, pkgs);
                  }
                  pkgs.add(ai.packageName);
              }
          }
  
          SparseArray<BatterySipper> uidToSipper = new SparseArray<>();
          final List<BatterySipper> sippers = helper.getUsageList();
          if (sippers != null) {
              for (int i = 0; i < sippers.size(); ++i) {
                  final BatterySipper bs = sippers.get(i);
                  if (bs.drainType != BatterySipper.DrainType.APP) {
                      // Others are handled by dumpProtoSystemLocked()
                      continue;
                  }
                  uidToSipper.put(bs.uidObj.getUid(), bs);
              }
          }
  
          SparseArray<? extends Uid> uidStats = getUidStats();
          final int n = uidStats.size();
          for (int iu = 0; iu < n; ++iu) {
              final long uTkn = proto.start(BatteryStatsProto.UIDS);
              final Uid u = uidStats.valueAt(iu);
  
              final int uid = uidStats.keyAt(iu);
              proto.write(UidProto.UID, uid);
  
              // Print packages and apk stats (UID_DATA & APK_DATA)
              ArrayList<String> pkgs = aidToPackages.get(UserHandle.getAppId(uid));
              if (pkgs == null) {
                  pkgs = new ArrayList<String>();
              }
              final ArrayMap<String, ? extends BatteryStats.Uid.Pkg> packageStats =
                      u.getPackageStats();
              for (int ipkg = packageStats.size() - 1; ipkg >= 0; --ipkg) {
                  String pkg = packageStats.keyAt(ipkg);
                  final ArrayMap<String, ? extends  Uid.Pkg.Serv> serviceStats =
                          packageStats.valueAt(ipkg).getServiceStats();
                  if (serviceStats.size() == 0) {
                      // Due to the way ActivityManagerService logs wakeup alarms, some packages (for
                      // example, "android") may be included in the packageStats that aren't part of
                      // the UID. If they don't have any services, then they shouldn't be listed here.
                      // These packages won't be a part in the pkgs List.
                      continue;
                  }
  
                  final long pToken = proto.start(UidProto.PACKAGES);
                  proto.write(UidProto.Package.NAME, pkg);
                  // Remove from the packages list since we're logging it here.
                  pkgs.remove(pkg);
  
                  for (int isvc = serviceStats.size() - 1; isvc >= 0; --isvc) {
                      final BatteryStats.Uid.Pkg.Serv ss = serviceStats.valueAt(isvc);
  
                      final long startTimeMs = roundUsToMs(ss.getStartTime(batteryUptimeUs, which));
                      final int starts = ss.getStarts(which);
                      final int launches = ss.getLaunches(which);
                      if (startTimeMs == 0 && starts == 0 && launches == 0) {
                          continue;
                      }
  
                      long sToken = proto.start(UidProto.Package.SERVICES);
  
                      proto.write(UidProto.Package.Service.NAME, serviceStats.keyAt(isvc));
                      proto.write(UidProto.Package.Service.START_DURATION_MS, startTimeMs);
                      proto.write(UidProto.Package.Service.START_COUNT, starts);
                      proto.write(UidProto.Package.Service.LAUNCH_COUNT, launches);
  
                      proto.end(sToken);
                  }
                  proto.end(pToken);
              }
              // Print any remaining packages that weren't in the packageStats map. pkgs is pulled
              // from PackageManager data. Packages are only included in packageStats if there was
              // specific data tracked for them (services and wakeup alarms, etc.).
              for (String p : pkgs) {
                  final long pToken = proto.start(UidProto.PACKAGES);
                  proto.write(UidProto.Package.NAME, p);
                  proto.end(pToken);
              }
  
              // Total wakelock data (AGGREGATED_WAKELOCK_DATA)
              if (u.getAggregatedPartialWakelockTimer() != null) {
                  final Timer timer = u.getAggregatedPartialWakelockTimer();
                  // Times are since reset (regardless of 'which')
                  final long totTimeMs = timer.getTotalDurationMsLocked(rawRealtimeMs);
                  final Timer bgTimer = timer.getSubTimer();
                  final long bgTimeMs = bgTimer != null
                          ? bgTimer.getTotalDurationMsLocked(rawRealtimeMs) : 0;
                  final long awToken = proto.start(UidProto.AGGREGATED_WAKELOCK);
                  proto.write(UidProto.AggregatedWakelock.PARTIAL_DURATION_MS, totTimeMs);
                  proto.write(UidProto.AggregatedWakelock.BACKGROUND_PARTIAL_DURATION_MS, bgTimeMs);
                  proto.end(awToken);
              }
  
              // Audio (AUDIO_DATA)
              dumpTimer(proto, UidProto.AUDIO, u.getAudioTurnedOnTimer(), rawRealtimeUs, which);
  
              // Bluetooth Controller (BLUETOOTH_CONTROLLER_DATA)
              dumpControllerActivityProto(proto, UidProto.BLUETOOTH_CONTROLLER,
                      u.getBluetoothControllerActivity(), which);
  
              // BLE scans (BLUETOOTH_MISC_DATA) (uses totalDurationMsLocked and MaxDurationMsLocked)
              final Timer bleTimer = u.getBluetoothScanTimer();
              if (bleTimer != null) {
                  final long bmToken = proto.start(UidProto.BLUETOOTH_MISC);
  
                  dumpTimer(proto, UidProto.BluetoothMisc.APPORTIONED_BLE_SCAN, bleTimer,
                          rawRealtimeUs, which);
                  dumpTimer(proto, UidProto.BluetoothMisc.BACKGROUND_BLE_SCAN,
                          u.getBluetoothScanBackgroundTimer(), rawRealtimeUs, which);
                  // Unoptimized scan timer. Unpooled and since reset (regardless of 'which').
                  dumpTimer(proto, UidProto.BluetoothMisc.UNOPTIMIZED_BLE_SCAN,
                          u.getBluetoothUnoptimizedScanTimer(), rawRealtimeUs, which);
                  // Unoptimized bg scan timer. Unpooled and since reset (regardless of 'which').
                  dumpTimer(proto, UidProto.BluetoothMisc.BACKGROUND_UNOPTIMIZED_BLE_SCAN,
                          u.getBluetoothUnoptimizedScanBackgroundTimer(), rawRealtimeUs, which);
                  // Result counters
                  proto.write(UidProto.BluetoothMisc.BLE_SCAN_RESULT_COUNT,
                          u.getBluetoothScanResultCounter() != null
                              ? u.getBluetoothScanResultCounter().getCountLocked(which) : 0);
                  proto.write(UidProto.BluetoothMisc.BACKGROUND_BLE_SCAN_RESULT_COUNT,
                          u.getBluetoothScanResultBgCounter() != null
                              ? u.getBluetoothScanResultBgCounter().getCountLocked(which) : 0);
  
                  proto.end(bmToken);
              }
  
              // Camera (CAMERA_DATA)
              dumpTimer(proto, UidProto.CAMERA, u.getCameraTurnedOnTimer(), rawRealtimeUs, which);
  
              // CPU stats (CPU_DATA & CPU_TIMES_AT_FREQ_DATA)
              final long cpuToken = proto.start(UidProto.CPU);
              proto.write(UidProto.Cpu.USER_DURATION_MS, roundUsToMs(u.getUserCpuTimeUs(which)));
              proto.write(UidProto.Cpu.SYSTEM_DURATION_MS, roundUsToMs(u.getSystemCpuTimeUs(which)));
  
              final long[] cpuFreqs = getCpuFreqs();
              if (cpuFreqs != null) {
                  final long[] cpuFreqTimeMs = u.getCpuFreqTimes(which);
                  // If total cpuFreqTimes is null, then we don't need to check for
                  // screenOffCpuFreqTimes.
                  if (cpuFreqTimeMs != null && cpuFreqTimeMs.length == cpuFreqs.length) {
                      long[] screenOffCpuFreqTimeMs = u.getScreenOffCpuFreqTimes(which);
                      if (screenOffCpuFreqTimeMs == null) {
                          screenOffCpuFreqTimeMs = new long[cpuFreqTimeMs.length];
                      }
                      for (int ic = 0; ic < cpuFreqTimeMs.length; ++ic) {
                          long cToken = proto.start(UidProto.Cpu.BY_FREQUENCY);
                          proto.write(UidProto.Cpu.ByFrequency.FREQUENCY_INDEX, ic + 1);
                          proto.write(UidProto.Cpu.ByFrequency.TOTAL_DURATION_MS,
                                  cpuFreqTimeMs[ic]);
                          proto.write(UidProto.Cpu.ByFrequency.SCREEN_OFF_DURATION_MS,
                                  screenOffCpuFreqTimeMs[ic]);
                          proto.end(cToken);
                      }
                  }
              }
  
              for (int procState = 0; procState < Uid.NUM_PROCESS_STATE; ++procState) {
                  final long[] timesMs = u.getCpuFreqTimes(which, procState);
                  if (timesMs != null && timesMs.length == cpuFreqs.length) {
                      long[] screenOffTimesMs = u.getScreenOffCpuFreqTimes(which, procState);
                      if (screenOffTimesMs == null) {
                          screenOffTimesMs = new long[timesMs.length];
                      }
                      final long procToken = proto.start(UidProto.Cpu.BY_PROCESS_STATE);
                      proto.write(UidProto.Cpu.ByProcessState.PROCESS_STATE, procState);
                      for (int ic = 0; ic < timesMs.length; ++ic) {
                          long cToken = proto.start(UidProto.Cpu.ByProcessState.BY_FREQUENCY);
                          proto.write(UidProto.Cpu.ByFrequency.FREQUENCY_INDEX, ic + 1);
                          proto.write(UidProto.Cpu.ByFrequency.TOTAL_DURATION_MS,
                                  timesMs[ic]);
                          proto.write(UidProto.Cpu.ByFrequency.SCREEN_OFF_DURATION_MS,
                                  screenOffTimesMs[ic]);
                          proto.end(cToken);
                      }
                      proto.end(procToken);
                  }
              }
              proto.end(cpuToken);
  
              // Flashlight (FLASHLIGHT_DATA)
              dumpTimer(proto, UidProto.FLASHLIGHT, u.getFlashlightTurnedOnTimer(),
                      rawRealtimeUs, which);
  
              // Foreground activity (FOREGROUND_ACTIVITY_DATA)
              dumpTimer(proto, UidProto.FOREGROUND_ACTIVITY, u.getForegroundActivityTimer(),
                      rawRealtimeUs, which);
  
              // Foreground service (FOREGROUND_SERVICE_DATA)
              dumpTimer(proto, UidProto.FOREGROUND_SERVICE, u.getForegroundServiceTimer(),
                      rawRealtimeUs, which);
  
              // Job completion (JOB_COMPLETION_DATA)
              final ArrayMap<String, SparseIntArray> completions = u.getJobCompletionStats();
              final int[] reasons = new int[]{
                  JobParameters.REASON_CANCELED,
                  JobParameters.REASON_CONSTRAINTS_NOT_SATISFIED,
                  JobParameters.REASON_PREEMPT,
                  JobParameters.REASON_TIMEOUT,
                  JobParameters.REASON_DEVICE_IDLE,
              };
              for (int ic = 0; ic < completions.size(); ++ic) {
                  SparseIntArray types = completions.valueAt(ic);
                  if (types != null) {
                      final long jcToken = proto.start(UidProto.JOB_COMPLETION);
  
                      proto.write(UidProto.JobCompletion.NAME, completions.keyAt(ic));
  
                      for (int r : reasons) {
                          long rToken = proto.start(UidProto.JobCompletion.REASON_COUNT);
                          proto.write(UidProto.JobCompletion.ReasonCount.NAME, r);
                          proto.write(UidProto.JobCompletion.ReasonCount.COUNT, types.get(r, 0));
                          proto.end(rToken);
                      }
  
                      proto.end(jcToken);
                  }
              }
  
              // Scheduled jobs (JOB_DATA)
              final ArrayMap<String, ? extends Timer> jobs = u.getJobStats();
              for (int ij = jobs.size() - 1; ij >= 0; --ij) {
                  final Timer timer = jobs.valueAt(ij);
                  final Timer bgTimer = timer.getSubTimer();
                  final long jToken = proto.start(UidProto.JOBS);
  
                  proto.write(UidProto.Job.NAME, jobs.keyAt(ij));
                  // Background uses totalDurationMsLocked, while total uses totalTimeLocked
                  dumpTimer(proto, UidProto.Job.TOTAL, timer, rawRealtimeUs, which);
                  dumpTimer(proto, UidProto.Job.BACKGROUND, bgTimer, rawRealtimeUs, which);
  
                  proto.end(jToken);
              }
  
              // Modem Controller (MODEM_CONTROLLER_DATA)
              dumpControllerActivityProto(proto, UidProto.MODEM_CONTROLLER,
                      u.getModemControllerActivity(), which);
  
              // Network stats (NETWORK_DATA)
              final long nToken = proto.start(UidProto.NETWORK);
              proto.write(UidProto.Network.MOBILE_BYTES_RX,
                      u.getNetworkActivityBytes(NETWORK_MOBILE_RX_DATA, which));
              proto.write(UidProto.Network.MOBILE_BYTES_TX,
                      u.getNetworkActivityBytes(NETWORK_MOBILE_TX_DATA, which));
              proto.write(UidProto.Network.WIFI_BYTES_RX,
                      u.getNetworkActivityBytes(NETWORK_WIFI_RX_DATA, which));
              proto.write(UidProto.Network.WIFI_BYTES_TX,
                      u.getNetworkActivityBytes(NETWORK_WIFI_TX_DATA, which));
              proto.write(UidProto.Network.BT_BYTES_RX,
                      u.getNetworkActivityBytes(NETWORK_BT_RX_DATA, which));
              proto.write(UidProto.Network.BT_BYTES_TX,
                      u.getNetworkActivityBytes(NETWORK_BT_TX_DATA, which));
              proto.write(UidProto.Network.MOBILE_PACKETS_RX,
                      u.getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, which));
              proto.write(UidProto.Network.MOBILE_PACKETS_TX,
                      u.getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, which));
              proto.write(UidProto.Network.WIFI_PACKETS_RX,
                      u.getNetworkActivityPackets(NETWORK_WIFI_RX_DATA, which));
              proto.write(UidProto.Network.WIFI_PACKETS_TX,
                      u.getNetworkActivityPackets(NETWORK_WIFI_TX_DATA, which));
              proto.write(UidProto.Network.MOBILE_ACTIVE_DURATION_MS,
                      roundUsToMs(u.getMobileRadioActiveTime(which)));
              proto.write(UidProto.Network.MOBILE_ACTIVE_COUNT,
                      u.getMobileRadioActiveCount(which));
              proto.write(UidProto.Network.MOBILE_WAKEUP_COUNT,
                      u.getMobileRadioApWakeupCount(which));
              proto.write(UidProto.Network.WIFI_WAKEUP_COUNT,
                      u.getWifiRadioApWakeupCount(which));
              proto.write(UidProto.Network.MOBILE_BYTES_BG_RX,
                      u.getNetworkActivityBytes(NETWORK_MOBILE_BG_RX_DATA, which));
              proto.write(UidProto.Network.MOBILE_BYTES_BG_TX,
                      u.getNetworkActivityBytes(NETWORK_MOBILE_BG_TX_DATA, which));
              proto.write(UidProto.Network.WIFI_BYTES_BG_RX,
                      u.getNetworkActivityBytes(NETWORK_WIFI_BG_RX_DATA, which));
              proto.write(UidProto.Network.WIFI_BYTES_BG_TX,
                      u.getNetworkActivityBytes(NETWORK_WIFI_BG_TX_DATA, which));
              proto.write(UidProto.Network.MOBILE_PACKETS_BG_RX,
                      u.getNetworkActivityPackets(NETWORK_MOBILE_BG_RX_DATA, which));
              proto.write(UidProto.Network.MOBILE_PACKETS_BG_TX,
                      u.getNetworkActivityPackets(NETWORK_MOBILE_BG_TX_DATA, which));
              proto.write(UidProto.Network.WIFI_PACKETS_BG_RX,
                      u.getNetworkActivityPackets(NETWORK_WIFI_BG_RX_DATA, which));
              proto.write(UidProto.Network.WIFI_PACKETS_BG_TX,
                      u.getNetworkActivityPackets(NETWORK_WIFI_BG_TX_DATA, which));
              proto.end(nToken);
  
              // Power use item (POWER_USE_ITEM_DATA)
              BatterySipper bs = uidToSipper.get(uid);
              if (bs != null) {
                  final long bsToken = proto.start(UidProto.POWER_USE_ITEM);
                  proto.write(UidProto.PowerUseItem.COMPUTED_POWER_MAH, bs.totalPowerMah);
                  proto.write(UidProto.PowerUseItem.SHOULD_HIDE, bs.shouldHide);
                  proto.write(UidProto.PowerUseItem.SCREEN_POWER_MAH, bs.screenPowerMah);
                  proto.write(UidProto.PowerUseItem.PROPORTIONAL_SMEAR_MAH,
                          bs.proportionalSmearMah);
                  proto.end(bsToken);
              }
  
              // Processes (PROCESS_DATA)
              final ArrayMap<String, ? extends BatteryStats.Uid.Proc> processStats =
                      u.getProcessStats();
              for (int ipr = processStats.size() - 1; ipr >= 0; --ipr) {
                  final Uid.Proc ps = processStats.valueAt(ipr);
                  final long prToken = proto.start(UidProto.PROCESS);
  
                  proto.write(UidProto.Process.NAME, processStats.keyAt(ipr));
                  proto.write(UidProto.Process.USER_DURATION_MS, ps.getUserTime(which));
                  proto.write(UidProto.Process.SYSTEM_DURATION_MS, ps.getSystemTime(which));
                  proto.write(UidProto.Process.FOREGROUND_DURATION_MS, ps.getForegroundTime(which));
                  proto.write(UidProto.Process.START_COUNT, ps.getStarts(which));
                  proto.write(UidProto.Process.ANR_COUNT, ps.getNumAnrs(which));
                  proto.write(UidProto.Process.CRASH_COUNT, ps.getNumCrashes(which));
  
                  proto.end(prToken);
              }
  
              // Sensors (SENSOR_DATA)
              final SparseArray<? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
              for (int ise = 0; ise < sensors.size(); ++ise) {
                  final Uid.Sensor se = sensors.valueAt(ise);
                  final Timer timer = se.getSensorTime();
                  if (timer == null) {
                      continue;
                  }
                  final Timer bgTimer = se.getSensorBackgroundTime();
                  final int sensorNumber = sensors.keyAt(ise);
                  final long seToken = proto.start(UidProto.SENSORS);
  
                  proto.write(UidProto.Sensor.ID, sensorNumber);
                  // Background uses totalDurationMsLocked, while total uses totalTimeLocked
                  dumpTimer(proto, UidProto.Sensor.APPORTIONED, timer, rawRealtimeUs, which);
                  dumpTimer(proto, UidProto.Sensor.BACKGROUND, bgTimer, rawRealtimeUs, which);
  
                  proto.end(seToken);
              }
  
              // State times (STATE_TIME_DATA)
              for (int ips = 0; ips < Uid.NUM_PROCESS_STATE; ++ips) {
                  long durMs = roundUsToMs(u.getProcessStateTime(ips, rawRealtimeUs, which));
                  if (durMs == 0) {
                      continue;
                  }
                  final long stToken = proto.start(UidProto.STATES);
                  proto.write(UidProto.StateTime.STATE, ips);
                  proto.write(UidProto.StateTime.DURATION_MS, durMs);
                  proto.end(stToken);
              }
  
              // Syncs (SYNC_DATA)
              final ArrayMap<String, ? extends Timer> syncs = u.getSyncStats();
              for (int isy = syncs.size() - 1; isy >= 0; --isy) {
                  final Timer timer = syncs.valueAt(isy);
                  final Timer bgTimer = timer.getSubTimer();
                  final long syToken = proto.start(UidProto.SYNCS);
  
                  proto.write(UidProto.Sync.NAME, syncs.keyAt(isy));
                  // Background uses totalDurationMsLocked, while total uses totalTimeLocked
                  dumpTimer(proto, UidProto.Sync.TOTAL, timer, rawRealtimeUs, which);
                  dumpTimer(proto, UidProto.Sync.BACKGROUND, bgTimer, rawRealtimeUs, which);
  
                  proto.end(syToken);
              }
  
              // User activity (USER_ACTIVITY_DATA)
              if (u.hasUserActivity()) {
                  for (int i = 0; i < Uid.NUM_USER_ACTIVITY_TYPES; ++i) {
                      int val = u.getUserActivityCount(i, which);
                      if (val != 0) {
                          final long uaToken = proto.start(UidProto.USER_ACTIVITY);
                          proto.write(UidProto.UserActivity.NAME, i);
                          proto.write(UidProto.UserActivity.COUNT, val);
                          proto.end(uaToken);
                      }
                  }
              }
  
              // Vibrator (VIBRATOR_DATA)
              dumpTimer(proto, UidProto.VIBRATOR, u.getVibratorOnTimer(), rawRealtimeUs, which);
  
              // Video (VIDEO_DATA)
              dumpTimer(proto, UidProto.VIDEO, u.getVideoTurnedOnTimer(), rawRealtimeUs, which);
  
              // Wakelocks (WAKELOCK_DATA)
              final ArrayMap<String, ? extends Uid.Wakelock> wakelocks = u.getWakelockStats();
              for (int iw = wakelocks.size() - 1; iw >= 0; --iw) {
                  final Uid.Wakelock wl = wakelocks.valueAt(iw);
                  final long wToken = proto.start(UidProto.WAKELOCKS);
                  proto.write(UidProto.Wakelock.NAME, wakelocks.keyAt(iw));
                  dumpTimer(proto, UidProto.Wakelock.FULL, wl.getWakeTime(WAKE_TYPE_FULL),
                          rawRealtimeUs, which);
                  final Timer pTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
                  if (pTimer != null) {
                      dumpTimer(proto, UidProto.Wakelock.PARTIAL, pTimer, rawRealtimeUs, which);
                      dumpTimer(proto, UidProto.Wakelock.BACKGROUND_PARTIAL, pTimer.getSubTimer(),
                              rawRealtimeUs, which);
                  }
                  dumpTimer(proto, UidProto.Wakelock.WINDOW, wl.getWakeTime(WAKE_TYPE_WINDOW),
                          rawRealtimeUs, which);
                  proto.end(wToken);
              }
  
              // Wifi Multicast Wakelock (WIFI_MULTICAST_WAKELOCK_DATA)
              dumpTimer(proto, UidProto.WIFI_MULTICAST_WAKELOCK, u.getMulticastWakelockStats(),
                      rawRealtimeUs, which);
  
              // Wakeup alarms (WAKEUP_ALARM_DATA)
              for (int ipkg = packageStats.size() - 1; ipkg >= 0; --ipkg) {
                  final Uid.Pkg ps = packageStats.valueAt(ipkg);
                  final ArrayMap<String, ? extends Counter> alarms = ps.getWakeupAlarmStats();
                  for (int iwa = alarms.size() - 1; iwa >= 0; --iwa) {
                      final long waToken = proto.start(UidProto.WAKEUP_ALARM);
                      proto.write(UidProto.WakeupAlarm.NAME, alarms.keyAt(iwa));
                      proto.write(UidProto.WakeupAlarm.COUNT,
                              alarms.valueAt(iwa).getCountLocked(which));
                      proto.end(waToken);
                  }
              }
  
              // Wifi Controller (WIFI_CONTROLLER_DATA)
              dumpControllerActivityProto(proto, UidProto.WIFI_CONTROLLER,
                      u.getWifiControllerActivity(), which);
  
              // Wifi data (WIFI_DATA)
              final long wToken = proto.start(UidProto.WIFI);
              proto.write(UidProto.Wifi.FULL_WIFI_LOCK_DURATION_MS,
                      roundUsToMs(u.getFullWifiLockTime(rawRealtimeUs, which)));
              dumpTimer(proto, UidProto.Wifi.APPORTIONED_SCAN, u.getWifiScanTimer(),
                      rawRealtimeUs, which);
              proto.write(UidProto.Wifi.RUNNING_DURATION_MS,
                      roundUsToMs(u.getWifiRunningTime(rawRealtimeUs, which)));
              dumpTimer(proto, UidProto.Wifi.BACKGROUND_SCAN, u.getWifiScanBackgroundTimer(),
                      rawRealtimeUs, which);
              proto.end(wToken);
  
              proto.end(uTkn);
          }
      }
  
      private void dumpProtoHistoryLocked(ProtoOutputStream proto, int flags, long histStart) {
          if (!startIteratingHistoryLocked()) {
              return;
          }
  
          proto.write(BatteryStatsServiceDumpHistoryProto.REPORT_VERSION, CHECKIN_VERSION);
          proto.write(BatteryStatsServiceDumpHistoryProto.PARCEL_VERSION, getParcelVersion());
          proto.write(BatteryStatsServiceDumpHistoryProto.START_PLATFORM_VERSION,
                  getStartPlatformVersion());
          proto.write(BatteryStatsServiceDumpHistoryProto.END_PLATFORM_VERSION,
                  getEndPlatformVersion());
          try {
              long token;
              // History string pool (HISTORY_STRING_POOL)
              for (int i = 0; i < getHistoryStringPoolSize(); ++i) {
                  token = proto.start(BatteryStatsServiceDumpHistoryProto.KEYS);
                  proto.write(BatteryStatsServiceDumpHistoryProto.Key.INDEX, i);
                  proto.write(BatteryStatsServiceDumpHistoryProto.Key.UID, getHistoryTagPoolUid(i));
                  proto.write(BatteryStatsServiceDumpHistoryProto.Key.TAG,
                          getHistoryTagPoolString(i));
                  proto.end(token);
              }
  
              // History data (HISTORY_DATA)
              final HistoryPrinter hprinter = new HistoryPrinter();
              final HistoryItem rec = new HistoryItem();
              long lastTime = -1;
              long baseTime = -1;
              boolean printed = false;
              HistoryEventTracker tracker = null;
              while (getNextHistoryLocked(rec)) {
                  lastTime = rec.time;
                  if (baseTime < 0) {
                      baseTime = lastTime;
                  }
                  if (rec.time >= histStart) {
                      if (histStart >= 0 && !printed) {
                          if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
                                  || rec.cmd == HistoryItem.CMD_RESET
                                  || rec.cmd == HistoryItem.CMD_START
                                  || rec.cmd == HistoryItem.CMD_SHUTDOWN) {
                              printed = true;
                              hprinter.printNextItem(proto, rec, baseTime,
                                      (flags & DUMP_VERBOSE) != 0);
                              rec.cmd = HistoryItem.CMD_UPDATE;
                          } else if (rec.currentTime != 0) {
                              printed = true;
                              byte cmd = rec.cmd;
                              rec.cmd = HistoryItem.CMD_CURRENT_TIME;
                              hprinter.printNextItem(proto, rec, baseTime,
                                      (flags & DUMP_VERBOSE) != 0);
                              rec.cmd = cmd;
                          }
                          if (tracker != null) {
                              if (rec.cmd != HistoryItem.CMD_UPDATE) {
                                  hprinter.printNextItem(proto, rec, baseTime,
                                          (flags & DUMP_VERBOSE) != 0);
                                  rec.cmd = HistoryItem.CMD_UPDATE;
                              }
                              int oldEventCode = rec.eventCode;
                              HistoryTag oldEventTag = rec.eventTag;
                              rec.eventTag = new HistoryTag();
                              for (int i = 0; i < HistoryItem.EVENT_COUNT; i++) {
                                  HashMap<String, SparseIntArray> active =
                                          tracker.getStateForEvent(i);
                                  if (active == null) {
                                      continue;
                                  }
                                  for (HashMap.Entry<String, SparseIntArray> ent
                                          : active.entrySet()) {
                                      SparseIntArray uids = ent.getValue();
                                      for (int j = 0; j < uids.size(); j++) {
                                          rec.eventCode = i;
                                          rec.eventTag.string = ent.getKey();
                                          rec.eventTag.uid = uids.keyAt(j);
                                          rec.eventTag.poolIdx = uids.valueAt(j);
                                          hprinter.printNextItem(proto, rec, baseTime,
                                                  (flags & DUMP_VERBOSE) != 0);
                                          rec.wakeReasonTag = null;
                                          rec.wakelockTag = null;
                                      }
                                  }
                              }
                              rec.eventCode = oldEventCode;
                              rec.eventTag = oldEventTag;
                              tracker = null;
                          }
                      }
                      hprinter.printNextItem(proto, rec, baseTime,
                              (flags & DUMP_VERBOSE) != 0);
                  }
              }
              if (histStart >= 0) {
                  commitCurrentHistoryBatchLocked();
                  proto.write(BatteryStatsServiceDumpHistoryProto.CSV_LINES,
                          "NEXT: " + (lastTime + 1));
              }
          } finally {
              finishIteratingHistoryLocked();
          }
      }
  
      private void dumpProtoSystemLocked(ProtoOutputStream proto, BatteryStatsHelper helper) {
          final long sToken = proto.start(BatteryStatsProto.SYSTEM);
          final long rawUptimeUs = SystemClock.uptimeMillis() * 1000;
          final long rawRealtimeMs = SystemClock.elapsedRealtime();
          final long rawRealtimeUs = rawRealtimeMs * 1000;
          final int which = STATS_SINCE_CHARGED;
  
          // Battery data (BATTERY_DATA)
          final long bToken = proto.start(SystemProto.BATTERY);
          proto.write(SystemProto.Battery.START_CLOCK_TIME_MS, getStartClockTime());
          proto.write(SystemProto.Battery.START_COUNT, getStartCount());
          proto.write(SystemProto.Battery.TOTAL_REALTIME_MS,
                  computeRealtime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Battery.TOTAL_UPTIME_MS,
                  computeUptime(rawUptimeUs, which) / 1000);
          proto.write(SystemProto.Battery.BATTERY_REALTIME_MS,
                  computeBatteryRealtime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Battery.BATTERY_UPTIME_MS,
                  computeBatteryUptime(rawUptimeUs, which) / 1000);
          proto.write(SystemProto.Battery.SCREEN_OFF_REALTIME_MS,
                  computeBatteryScreenOffRealtime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Battery.SCREEN_OFF_UPTIME_MS,
                  computeBatteryScreenOffUptime(rawUptimeUs, which) / 1000);
          proto.write(SystemProto.Battery.SCREEN_DOZE_DURATION_MS,
                  getScreenDozeTime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Battery.ESTIMATED_BATTERY_CAPACITY_MAH,
                  getEstimatedBatteryCapacity());
          proto.write(SystemProto.Battery.MIN_LEARNED_BATTERY_CAPACITY_UAH,
                  getMinLearnedBatteryCapacity());
          proto.write(SystemProto.Battery.MAX_LEARNED_BATTERY_CAPACITY_UAH,
                  getMaxLearnedBatteryCapacity());
          proto.end(bToken);
  
          // Battery discharge (BATTERY_DISCHARGE_DATA)
          final long bdToken = proto.start(SystemProto.BATTERY_DISCHARGE);
          proto.write(SystemProto.BatteryDischarge.LOWER_BOUND_SINCE_CHARGE,
                  getLowDischargeAmountSinceCharge());
          proto.write(SystemProto.BatteryDischarge.UPPER_BOUND_SINCE_CHARGE,
                  getHighDischargeAmountSinceCharge());
          proto.write(SystemProto.BatteryDischarge.SCREEN_ON_SINCE_CHARGE,
                  getDischargeAmountScreenOnSinceCharge());
          proto.write(SystemProto.BatteryDischarge.SCREEN_OFF_SINCE_CHARGE,
                  getDischargeAmountScreenOffSinceCharge());
          proto.write(SystemProto.BatteryDischarge.SCREEN_DOZE_SINCE_CHARGE,
                  getDischargeAmountScreenDozeSinceCharge());
          proto.write(SystemProto.BatteryDischarge.TOTAL_MAH,
                  getUahDischarge(which) / 1000);
          proto.write(SystemProto.BatteryDischarge.TOTAL_MAH_SCREEN_OFF,
                  getUahDischargeScreenOff(which) / 1000);
          proto.write(SystemProto.BatteryDischarge.TOTAL_MAH_SCREEN_DOZE,
                  getUahDischargeScreenDoze(which) / 1000);
          proto.write(SystemProto.BatteryDischarge.TOTAL_MAH_LIGHT_DOZE,
                  getUahDischargeLightDoze(which) / 1000);
          proto.write(SystemProto.BatteryDischarge.TOTAL_MAH_DEEP_DOZE,
                  getUahDischargeDeepDoze(which) / 1000);
          proto.end(bdToken);
  
          // Time remaining
          long timeRemainingUs = computeChargeTimeRemaining(rawRealtimeUs);
          // These are part of a oneof, so we should only set one of them.
          if (timeRemainingUs >= 0) {
              // Charge time remaining (CHARGE_TIME_REMAIN_DATA)
              proto.write(SystemProto.CHARGE_TIME_REMAINING_MS, timeRemainingUs / 1000);
          } else {
              timeRemainingUs = computeBatteryTimeRemaining(rawRealtimeUs);
              // Discharge time remaining (DISCHARGE_TIME_REMAIN_DATA)
              if (timeRemainingUs >= 0) {
                  proto.write(SystemProto.DISCHARGE_TIME_REMAINING_MS, timeRemainingUs / 1000);
              } else {
                  proto.write(SystemProto.DISCHARGE_TIME_REMAINING_MS, -1);
              }
          }
  
          // Charge step (CHARGE_STEP_DATA)
          dumpDurationSteps(proto, SystemProto.CHARGE_STEP, getChargeLevelStepTracker());
  
          // Phone data connection (DATA_CONNECTION_TIME_DATA and DATA_CONNECTION_COUNT_DATA)
          for (int i = 0; i < NUM_DATA_CONNECTION_TYPES; ++i) {
              // Map OTHER to TelephonyManager.NETWORK_TYPE_UNKNOWN and mark NONE as a boolean.
              boolean isNone = (i == DATA_CONNECTION_OUT_OF_SERVICE);
              int telephonyNetworkType = i;
              if (i == DATA_CONNECTION_OTHER || i == DATA_CONNECTION_EMERGENCY_SERVICE) {
                  telephonyNetworkType = TelephonyManager.NETWORK_TYPE_UNKNOWN;
              }
              final long pdcToken = proto.start(SystemProto.DATA_CONNECTION);
              if (isNone) {
                  proto.write(SystemProto.DataConnection.IS_NONE, isNone);
              } else {
                  proto.write(SystemProto.DataConnection.NAME, telephonyNetworkType);
              }
              dumpTimer(proto, SystemProto.DataConnection.TOTAL, getPhoneDataConnectionTimer(i),
                      rawRealtimeUs, which);
              proto.end(pdcToken);
          }
  
          // Discharge step (DISCHARGE_STEP_DATA)
          dumpDurationSteps(proto, SystemProto.DISCHARGE_STEP, getDischargeLevelStepTracker());
  
          // CPU frequencies (GLOBAL_CPU_FREQ_DATA)
          final long[] cpuFreqs = getCpuFreqs();
          if (cpuFreqs != null) {
              for (long i : cpuFreqs) {
                  proto.write(SystemProto.CPU_FREQUENCY, i);
              }
          }
  
          // Bluetooth controller (GLOBAL_BLUETOOTH_CONTROLLER_DATA)
          dumpControllerActivityProto(proto, SystemProto.GLOBAL_BLUETOOTH_CONTROLLER,
                  getBluetoothControllerActivity(), which);
  
          // Modem controller (GLOBAL_MODEM_CONTROLLER_DATA)
          dumpControllerActivityProto(proto, SystemProto.GLOBAL_MODEM_CONTROLLER,
                  getModemControllerActivity(), which);
  
          // Global network data (GLOBAL_NETWORK_DATA)
          final long gnToken = proto.start(SystemProto.GLOBAL_NETWORK);
          proto.write(SystemProto.GlobalNetwork.MOBILE_BYTES_RX,
                  getNetworkActivityBytes(NETWORK_MOBILE_RX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.MOBILE_BYTES_TX,
                  getNetworkActivityBytes(NETWORK_MOBILE_TX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.MOBILE_PACKETS_RX,
                  getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.MOBILE_PACKETS_TX,
                  getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.WIFI_BYTES_RX,
                  getNetworkActivityBytes(NETWORK_WIFI_RX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.WIFI_BYTES_TX,
                  getNetworkActivityBytes(NETWORK_WIFI_TX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.WIFI_PACKETS_RX,
                  getNetworkActivityPackets(NETWORK_WIFI_RX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.WIFI_PACKETS_TX,
                  getNetworkActivityPackets(NETWORK_WIFI_TX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.BT_BYTES_RX,
                  getNetworkActivityBytes(NETWORK_BT_RX_DATA, which));
          proto.write(SystemProto.GlobalNetwork.BT_BYTES_TX,
                  getNetworkActivityBytes(NETWORK_BT_TX_DATA, which));
          proto.end(gnToken);
  
          // Wifi controller (GLOBAL_WIFI_CONTROLLER_DATA)
          dumpControllerActivityProto(proto, SystemProto.GLOBAL_WIFI_CONTROLLER,
                  getWifiControllerActivity(), which);
  
  
          // Global wifi (GLOBAL_WIFI_DATA)
          final long gwToken = proto.start(SystemProto.GLOBAL_WIFI);
          proto.write(SystemProto.GlobalWifi.ON_DURATION_MS,
                  getWifiOnTime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.GlobalWifi.RUNNING_DURATION_MS,
                  getGlobalWifiRunningTime(rawRealtimeUs, which) / 1000);
          proto.end(gwToken);
  
          // Kernel wakelock (KERNEL_WAKELOCK_DATA)
          final Map<String, ? extends Timer> kernelWakelocks = getKernelWakelockStats();
          for (Map.Entry<String, ? extends Timer> ent : kernelWakelocks.entrySet()) {
              final long kwToken = proto.start(SystemProto.KERNEL_WAKELOCK);
              proto.write(SystemProto.KernelWakelock.NAME, ent.getKey());
              dumpTimer(proto, SystemProto.KernelWakelock.TOTAL, ent.getValue(),
                      rawRealtimeUs, which);
              proto.end(kwToken);
          }
  
          // Misc (MISC_DATA)
          // Calculate wakelock times across all uids.
          long fullWakeLockTimeTotalUs = 0;
          long partialWakeLockTimeTotalUs = 0;
  
          final SparseArray<? extends Uid> uidStats = getUidStats();
          for (int iu = 0; iu < uidStats.size(); iu++) {
              final Uid u = uidStats.valueAt(iu);
  
              final ArrayMap<String, ? extends BatteryStats.Uid.Wakelock> wakelocks =
                      u.getWakelockStats();
              for (int iw = wakelocks.size() - 1; iw >= 0; --iw) {
                  final Uid.Wakelock wl = wakelocks.valueAt(iw);
  
                  final Timer fullWakeTimer = wl.getWakeTime(WAKE_TYPE_FULL);
                  if (fullWakeTimer != null) {
                      fullWakeLockTimeTotalUs += fullWakeTimer.getTotalTimeLocked(rawRealtimeUs,
                              which);
                  }
  
                  final Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
                  if (partialWakeTimer != null) {
                      partialWakeLockTimeTotalUs += partialWakeTimer.getTotalTimeLocked(
                          rawRealtimeUs, which);
                  }
              }
          }
          final long mToken = proto.start(SystemProto.MISC);
          proto.write(SystemProto.Misc.SCREEN_ON_DURATION_MS,
                  getScreenOnTime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.PHONE_ON_DURATION_MS,
                  getPhoneOnTime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.FULL_WAKELOCK_TOTAL_DURATION_MS,
                  fullWakeLockTimeTotalUs / 1000);
          proto.write(SystemProto.Misc.PARTIAL_WAKELOCK_TOTAL_DURATION_MS,
                  partialWakeLockTimeTotalUs / 1000);
          proto.write(SystemProto.Misc.MOBILE_RADIO_ACTIVE_DURATION_MS,
                  getMobileRadioActiveTime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.MOBILE_RADIO_ACTIVE_ADJUSTED_TIME_MS,
                  getMobileRadioActiveAdjustedTime(which) / 1000);
          proto.write(SystemProto.Misc.MOBILE_RADIO_ACTIVE_COUNT,
                  getMobileRadioActiveCount(which));
          proto.write(SystemProto.Misc.MOBILE_RADIO_ACTIVE_UNKNOWN_DURATION_MS,
                  getMobileRadioActiveUnknownTime(which) / 1000);
          proto.write(SystemProto.Misc.INTERACTIVE_DURATION_MS,
                  getInteractiveTime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.BATTERY_SAVER_MODE_ENABLED_DURATION_MS,
                  getPowerSaveModeEnabledTime(rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.NUM_CONNECTIVITY_CHANGES,
                  getNumConnectivityChange(which));
          proto.write(SystemProto.Misc.DEEP_DOZE_ENABLED_DURATION_MS,
                  getDeviceIdleModeTime(DEVICE_IDLE_MODE_DEEP, rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.DEEP_DOZE_COUNT,
                  getDeviceIdleModeCount(DEVICE_IDLE_MODE_DEEP, which));
          proto.write(SystemProto.Misc.DEEP_DOZE_IDLING_DURATION_MS,
                  getDeviceIdlingTime(DEVICE_IDLE_MODE_DEEP, rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.DEEP_DOZE_IDLING_COUNT,
                  getDeviceIdlingCount(DEVICE_IDLE_MODE_DEEP, which));
          proto.write(SystemProto.Misc.LONGEST_DEEP_DOZE_DURATION_MS,
                  getLongestDeviceIdleModeTime(DEVICE_IDLE_MODE_DEEP));
          proto.write(SystemProto.Misc.LIGHT_DOZE_ENABLED_DURATION_MS,
                  getDeviceIdleModeTime(DEVICE_IDLE_MODE_LIGHT, rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.LIGHT_DOZE_COUNT,
                  getDeviceIdleModeCount(DEVICE_IDLE_MODE_LIGHT, which));
          proto.write(SystemProto.Misc.LIGHT_DOZE_IDLING_DURATION_MS,
                  getDeviceIdlingTime(DEVICE_IDLE_MODE_LIGHT, rawRealtimeUs, which) / 1000);
          proto.write(SystemProto.Misc.LIGHT_DOZE_IDLING_COUNT,
                  getDeviceIdlingCount(DEVICE_IDLE_MODE_LIGHT, which));
          proto.write(SystemProto.Misc.LONGEST_LIGHT_DOZE_DURATION_MS,
                  getLongestDeviceIdleModeTime(DEVICE_IDLE_MODE_LIGHT));
          proto.end(mToken);
  
          // Wifi multicast wakelock total stats (WIFI_MULTICAST_WAKELOCK_TOTAL_DATA)
          final long multicastWakeLockTimeTotalUs =
                  getWifiMulticastWakelockTime(rawRealtimeUs, which);
          final int multicastWakeLockCountTotal = getWifiMulticastWakelockCount(which);
          final long wmctToken = proto.start(SystemProto.WIFI_MULTICAST_WAKELOCK_TOTAL);
          proto.write(SystemProto.WifiMulticastWakelockTotal.DURATION_MS,
                  multicastWakeLockTimeTotalUs / 1000);
          proto.write(SystemProto.WifiMulticastWakelockTotal.COUNT,
                  multicastWakeLockCountTotal);
          proto.end(wmctToken);
  
          // Power use item (POWER_USE_ITEM_DATA)
          final List<BatterySipper> sippers = helper.getUsageList();
          if (sippers != null) {
              for (int i = 0; i < sippers.size(); ++i) {
                  final BatterySipper bs = sippers.get(i);
                  int n = SystemProto.PowerUseItem.UNKNOWN_SIPPER;
                  int uid = 0;
                  switch (bs.drainType) {
                      case AMBIENT_DISPLAY:
                          n = SystemProto.PowerUseItem.AMBIENT_DISPLAY;
                          break;
                      case IDLE:
                          n = SystemProto.PowerUseItem.IDLE;
                          break;
                      case CELL:
                          n = SystemProto.PowerUseItem.CELL;
                          break;
                      case PHONE:
                          n = SystemProto.PowerUseItem.PHONE;
                          break;
                      case WIFI:
                          n = SystemProto.PowerUseItem.WIFI;
                          break;
                      case BLUETOOTH:
                          n = SystemProto.PowerUseItem.BLUETOOTH;
                          break;
                      case SCREEN:
                          n = SystemProto.PowerUseItem.SCREEN;
                          break;
                      case FLASHLIGHT:
                          n = SystemProto.PowerUseItem.FLASHLIGHT;
                          break;
                      case APP:
                          // dumpProtoAppsLocked will handle this.
                          continue;
                      case USER:
                          n = SystemProto.PowerUseItem.USER;
                          uid = UserHandle.getUid(bs.userId, 0);
                          break;
                      case UNACCOUNTED:
                          n = SystemProto.PowerUseItem.UNACCOUNTED;
                          break;
                      case OVERCOUNTED:
                          n = SystemProto.PowerUseItem.OVERCOUNTED;
                          break;
                      case CAMERA:
                          n = SystemProto.PowerUseItem.CAMERA;
                          break;
                      case MEMORY:
                          n = SystemProto.PowerUseItem.MEMORY;
                          break;
                  }
                  final long puiToken = proto.start(SystemProto.POWER_USE_ITEM);
                  proto.write(SystemProto.PowerUseItem.NAME, n);
                  proto.write(SystemProto.PowerUseItem.UID, uid);
                  proto.write(SystemProto.PowerUseItem.COMPUTED_POWER_MAH, bs.totalPowerMah);
                  proto.write(SystemProto.PowerUseItem.SHOULD_HIDE, bs.shouldHide);
                  proto.write(SystemProto.PowerUseItem.SCREEN_POWER_MAH, bs.screenPowerMah);
                  proto.write(SystemProto.PowerUseItem.PROPORTIONAL_SMEAR_MAH,
                          bs.proportionalSmearMah);
                  proto.end(puiToken);
              }
          }
  
          // Power use summary (POWER_USE_SUMMARY_DATA)
          final long pusToken = proto.start(SystemProto.POWER_USE_SUMMARY);
          proto.write(SystemProto.PowerUseSummary.BATTERY_CAPACITY_MAH,
                  helper.getPowerProfile().getBatteryCapacity());
          proto.write(SystemProto.PowerUseSummary.COMPUTED_POWER_MAH, helper.getComputedPower());
          proto.write(SystemProto.PowerUseSummary.MIN_DRAINED_POWER_MAH, helper.getMinDrainedPower());
          proto.write(SystemProto.PowerUseSummary.MAX_DRAINED_POWER_MAH, helper.getMaxDrainedPower());
          proto.end(pusToken);
  
          // RPM stats (RESOURCE_POWER_MANAGER_DATA)
          final Map<String, ? extends Timer> rpmStats = getRpmStats();
          final Map<String, ? extends Timer> screenOffRpmStats = getScreenOffRpmStats();
          for (Map.Entry<String, ? extends Timer> ent : rpmStats.entrySet()) {
              final long rpmToken = proto.start(SystemProto.RESOURCE_POWER_MANAGER);
              proto.write(SystemProto.ResourcePowerManager.NAME, ent.getKey());
              dumpTimer(proto, SystemProto.ResourcePowerManager.TOTAL,
                      ent.getValue(), rawRealtimeUs, which);
              dumpTimer(proto, SystemProto.ResourcePowerManager.SCREEN_OFF,
                      screenOffRpmStats.get(ent.getKey()), rawRealtimeUs, which);
              proto.end(rpmToken);
          }
  
          // Screen brightness (SCREEN_BRIGHTNESS_DATA)
          for (int i = 0; i < NUM_SCREEN_BRIGHTNESS_BINS; ++i) {
              final long sbToken = proto.start(SystemProto.SCREEN_BRIGHTNESS);
              proto.write(SystemProto.ScreenBrightness.NAME, i);
              dumpTimer(proto, SystemProto.ScreenBrightness.TOTAL, getScreenBrightnessTimer(i),
                      rawRealtimeUs, which);
              proto.end(sbToken);
          }
  
          // Signal scanning time (SIGNAL_SCANNING_TIME_DATA)
          dumpTimer(proto, SystemProto.SIGNAL_SCANNING, getPhoneSignalScanningTimer(), rawRealtimeUs,
                  which);
  
          // Phone signal strength (SIGNAL_STRENGTH_TIME_DATA and SIGNAL_STRENGTH_COUNT_DATA)
          for (int i = 0; i < SignalStrength.NUM_SIGNAL_STRENGTH_BINS; ++i) {
              final long pssToken = proto.start(SystemProto.PHONE_SIGNAL_STRENGTH);
              proto.write(SystemProto.PhoneSignalStrength.NAME, i);
              dumpTimer(proto, SystemProto.PhoneSignalStrength.TOTAL, getPhoneSignalStrengthTimer(i),
                      rawRealtimeUs, which);
              proto.end(pssToken);
          }
  
          // Wakeup reasons (WAKEUP_REASON_DATA)
          final Map<String, ? extends Timer> wakeupReasons = getWakeupReasonStats();
          for (Map.Entry<String, ? extends Timer> ent : wakeupReasons.entrySet()) {
              final long wrToken = proto.start(SystemProto.WAKEUP_REASON);
              proto.write(SystemProto.WakeupReason.NAME, ent.getKey());
              dumpTimer(proto, SystemProto.WakeupReason.TOTAL, ent.getValue(), rawRealtimeUs, which);
              proto.end(wrToken);
          }
  
          // Wifi signal strength (WIFI_SIGNAL_STRENGTH_TIME_DATA and WIFI_SIGNAL_STRENGTH_COUNT_DATA)
          for (int i = 0; i < NUM_WIFI_SIGNAL_STRENGTH_BINS; ++i) {
              final long wssToken = proto.start(SystemProto.WIFI_SIGNAL_STRENGTH);
              proto.write(SystemProto.WifiSignalStrength.NAME, i);
              dumpTimer(proto, SystemProto.WifiSignalStrength.TOTAL, getWifiSignalStrengthTimer(i),
                      rawRealtimeUs, which);
              proto.end(wssToken);
          }
  
          // Wifi state (WIFI_STATE_TIME_DATA and WIFI_STATE_COUNT_DATA)
          for (int i = 0; i < NUM_WIFI_STATES; ++i) {
              final long wsToken = proto.start(SystemProto.WIFI_STATE);
              proto.write(SystemProto.WifiState.NAME, i);
              dumpTimer(proto, SystemProto.WifiState.TOTAL, getWifiStateTimer(i),
                      rawRealtimeUs, which);
              proto.end(wsToken);
          }
  
          // Wifi supplicant state (WIFI_SUPPL_STATE_TIME_DATA and WIFI_SUPPL_STATE_COUNT_DATA)
          for (int i = 0; i < NUM_WIFI_SUPPL_STATES; ++i) {
              final long wssToken = proto.start(SystemProto.WIFI_SUPPLICANT_STATE);
              proto.write(SystemProto.WifiSupplicantState.NAME, i);
              dumpTimer(proto, SystemProto.WifiSupplicantState.TOTAL, getWifiSupplStateTimer(i),
                      rawRealtimeUs, which);
              proto.end(wssToken);
          }
  
          proto.end(sToken);
      }
  }
  