content: /*
   * Copyright (C) 2006 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 com.android.server;
  
  import static android.os.IServiceManager.DUMP_FLAG_PRIORITY_CRITICAL;
  import static android.os.IServiceManager.DUMP_FLAG_PRIORITY_HIGH;
  import static android.os.IServiceManager.DUMP_FLAG_PRIORITY_NORMAL;
  import static android.os.IServiceManager.DUMP_FLAG_PROTO;
  import static android.view.Display.DEFAULT_DISPLAY;
  
  import android.annotation.NonNull;
  import android.annotation.StringRes;
  import android.app.ActivityThread;
  import android.app.INotificationManager;
  import android.app.usage.UsageStatsManagerInternal;
  import android.content.ComponentName;
  import android.content.ContentResolver;
  import android.content.Context;
  import android.content.Intent;
  import android.content.pm.PackageItemInfo;
  import android.content.pm.PackageManager;
  import android.content.res.Configuration;
  import android.content.res.Resources.Theme;
  import android.database.sqlite.SQLiteCompatibilityWalFlags;
  import android.database.sqlite.SQLiteGlobal;
  import android.hardware.display.DisplayManagerInternal;
  import android.net.NetworkStackClient;
  import android.os.BaseBundle;
  import android.os.Binder;
  import android.os.Build;
  import android.os.Environment;
  import android.os.FactoryTest;
  import android.os.FileUtils;
  import android.os.IIncidentManager;
  import android.os.Looper;
  import android.os.Message;
  import android.os.Parcel;
  import android.os.PowerManager;
  import android.os.Process;
  import android.os.ServiceManager;
  import android.os.StrictMode;
  import android.os.SystemClock;
  import android.os.SystemProperties;
  import android.os.Trace;
  import android.os.UserHandle;
  import android.os.storage.IStorageManager;
  import android.provider.DeviceConfig;
  import android.provider.Settings;
  import android.sysprop.VoldProperties;
  import android.text.TextUtils;
  import android.util.DisplayMetrics;
  import android.util.EventLog;
  import android.util.Slog;
  import android.util.TimingsTraceLog;
  import android.view.WindowManager;
  import android.view.contentcapture.ContentCaptureManager;
  import android.view.inputmethod.InputMethodSystemProperty;
  
  import com.android.internal.R;
  import com.android.internal.logging.MetricsLogger;
  import com.android.internal.notification.SystemNotificationChannels;
  import com.android.internal.os.BinderInternal;
  import com.android.internal.util.ConcurrentUtils;
  import com.android.internal.util.EmergencyAffordanceManager;
  import com.android.internal.widget.ILockSettings;
  import com.android.server.am.ActivityManagerService;
  import com.android.server.appbinding.AppBindingService;
  import com.android.server.attention.AttentionManagerService;
  import com.android.server.audio.AudioService;
  import com.android.server.biometrics.BiometricService;
  import com.android.server.biometrics.face.FaceService;
  import com.android.server.biometrics.fingerprint.FingerprintService;
  import com.android.server.biometrics.iris.IrisService;
  import com.android.server.broadcastradio.BroadcastRadioService;
  import com.android.server.camera.CameraServiceProxy;
  import com.android.server.clipboard.ClipboardService;
  import com.android.server.connectivity.IpConnectivityMetrics;
  import com.android.server.contentcapture.ContentCaptureManagerInternal;
  import com.android.server.coverage.CoverageService;
  import com.android.server.devicepolicy.DevicePolicyManagerService;
  import com.android.server.display.DisplayManagerService;
  import com.android.server.display.color.ColorDisplayService;
  import com.android.server.dreams.DreamManagerService;
  import com.android.server.emergency.EmergencyAffordanceService;
  import com.android.server.gpu.GpuService;
  import com.android.server.hdmi.HdmiControlService;
  import com.android.server.incident.IncidentCompanionService;
  import com.android.server.input.InputManagerService;
  import com.android.server.inputmethod.InputMethodManagerService;
  import com.android.server.inputmethod.MultiClientInputMethodManagerService;
  import com.android.server.job.JobSchedulerService;
  import com.android.server.lights.LightsService;
  import com.android.server.media.MediaResourceMonitorService;
  import com.android.server.media.MediaRouterService;
  import com.android.server.media.MediaSessionService;
  import com.android.server.media.projection.MediaProjectionManagerService;
  import com.android.server.net.NetworkPolicyManagerService;
  import com.android.server.net.NetworkStatsService;
  import com.android.server.net.watchlist.NetworkWatchlistService;
  import com.android.server.notification.NotificationManagerService;
  import com.android.server.oemlock.OemLockService;
  import com.android.server.om.OverlayManagerService;
  import com.android.server.os.BugreportManagerService;
  import com.android.server.os.DeviceIdentifiersPolicyService;
  import com.android.server.os.SchedulingPolicyService;
  import com.android.server.pm.BackgroundDexOptService;
  import com.android.server.pm.CrossProfileAppsService;
  import com.android.server.pm.DynamicCodeLoggingService;
  import com.android.server.pm.Installer;
  import com.android.server.pm.LauncherAppsService;
  import com.android.server.pm.OtaDexoptService;
  import com.android.server.pm.PackageManagerService;
  import com.android.server.pm.ShortcutService;
  import com.android.server.pm.UserManagerService;
  import com.android.server.policy.PermissionPolicyService;
  import com.android.server.policy.PhoneWindowManager;
  import com.android.server.policy.role.LegacyRoleResolutionPolicy;
  import com.android.server.power.PowerManagerService;
  import com.android.server.power.ShutdownThread;
  import com.android.server.power.ThermalManagerService;
  import com.android.server.restrictions.RestrictionsManagerService;
  import com.android.server.role.RoleManagerService;
  import com.android.server.rollback.RollbackManagerService;
  import com.android.server.security.KeyAttestationApplicationIdProviderService;
  import com.android.server.security.KeyChainSystemService;
  import com.android.server.signedconfig.SignedConfigService;
  import com.android.server.soundtrigger.SoundTriggerService;
  import com.android.server.stats.StatsCompanionService;
  import com.android.server.statusbar.StatusBarManagerService;
  import com.android.server.storage.DeviceStorageMonitorService;
  import com.android.server.telecom.TelecomLoaderService;
  import com.android.server.testharness.TestHarnessModeService;
  import com.android.server.textclassifier.TextClassificationManagerService;
  import com.android.server.textservices.TextServicesManagerService;
  import com.android.server.trust.TrustManagerService;
  import com.android.server.tv.TvInputManagerService;
  import com.android.server.tv.TvRemoteService;
  import com.android.server.twilight.TwilightService;
  import com.android.server.uri.UriGrantsManagerService;
  import com.android.server.usage.UsageStatsService;
  import com.android.server.vr.VrManagerService;
  import com.android.server.webkit.WebViewUpdateService;
  import com.android.server.wm.ActivityTaskManagerService;
  import com.android.server.wm.WindowManagerGlobalLock;
  import com.android.server.wm.WindowManagerService;
  
  import dalvik.system.VMRuntime;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Locale;
  import java.util.Timer;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.Future;
  
  public final class SystemServer {
  
      private static final String TAG = "SystemServer";
  
      // Tag for timing measurement of main thread.
      private static final String SYSTEM_SERVER_TIMING_TAG = "SystemServerTiming";
      // Tag for timing measurement of non-main asynchronous operations.
      private static final String SYSTEM_SERVER_TIMING_ASYNC_TAG = SYSTEM_SERVER_TIMING_TAG + "Async";
  
      private static final TimingsTraceLog BOOT_TIMINGS_TRACE_LOG
              = new TimingsTraceLog(SYSTEM_SERVER_TIMING_TAG, Trace.TRACE_TAG_SYSTEM_SERVER);
  
      private static final String ENCRYPTING_STATE = "trigger_restart_min_framework";
      private static final String ENCRYPTED_STATE = "1";
  
      private static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr
  
      // The earliest supported time.  We pick one day into 1970, to
      // give any timezone code room without going into negative time.
      private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000;
  
      private static final long SLOW_DISPATCH_THRESHOLD_MS = 100;
      private static final long SLOW_DELIVERY_THRESHOLD_MS = 200;
  
      /*
       * Implementation class names. TODO: Move them to a codegen class or load
       * them from the build system somehow.
       */
      private static final String BACKUP_MANAGER_SERVICE_CLASS =
              "com.android.server.backup.BackupManagerService$Lifecycle";
      private static final String APPWIDGET_SERVICE_CLASS =
              "com.android.server.appwidget.AppWidgetService";
      private static final String VOICE_RECOGNITION_MANAGER_SERVICE_CLASS =
              "com.android.server.voiceinteraction.VoiceInteractionManagerService";
      private static final String PRINT_MANAGER_SERVICE_CLASS =
              "com.android.server.print.PrintManagerService";
      private static final String COMPANION_DEVICE_MANAGER_SERVICE_CLASS =
              "com.android.server.companion.CompanionDeviceManagerService";
      private static final String USB_SERVICE_CLASS =
              "com.android.server.usb.UsbService$Lifecycle";
      private static final String MIDI_SERVICE_CLASS =
              "com.android.server.midi.MidiService$Lifecycle";
      private static final String WIFI_SERVICE_CLASS =
              "com.android.server.wifi.WifiService";
      private static final String WIFI_AWARE_SERVICE_CLASS =
              "com.android.server.wifi.aware.WifiAwareService";
      private static final String WIFI_P2P_SERVICE_CLASS =
              "com.android.server.wifi.p2p.WifiP2pService";
      private static final String LOWPAN_SERVICE_CLASS =
              "com.android.server.lowpan.LowpanService";
      private static final String ETHERNET_SERVICE_CLASS =
              "com.android.server.ethernet.EthernetService";
      private static final String JOB_SCHEDULER_SERVICE_CLASS =
              "com.android.server.job.JobSchedulerService";
      private static final String LOCK_SETTINGS_SERVICE_CLASS =
              "com.android.server.locksettings.LockSettingsService$Lifecycle";
      private static final String STORAGE_MANAGER_SERVICE_CLASS =
              "com.android.server.StorageManagerService$Lifecycle";
      private static final String STORAGE_STATS_SERVICE_CLASS =
              "com.android.server.usage.StorageStatsService$Lifecycle";
      private static final String SEARCH_MANAGER_SERVICE_CLASS =
              "com.android.server.search.SearchManagerService$Lifecycle";
      private static final String THERMAL_OBSERVER_CLASS =
              "com.google.android.clockwork.ThermalObserver";
      private static final String WEAR_CONNECTIVITY_SERVICE_CLASS =
              "com.android.clockwork.connectivity.WearConnectivityService";
      private static final String WEAR_POWER_SERVICE_CLASS =
              "com.android.clockwork.power.WearPowerService";
      private static final String WEAR_SIDEKICK_SERVICE_CLASS =
              "com.google.android.clockwork.sidekick.SidekickService";
      private static final String WEAR_DISPLAY_SERVICE_CLASS =
              "com.google.android.clockwork.display.WearDisplayService";
      private static final String WEAR_LEFTY_SERVICE_CLASS =
              "com.google.android.clockwork.lefty.WearLeftyService";
      private static final String WEAR_TIME_SERVICE_CLASS =
              "com.google.android.clockwork.time.WearTimeService";
      private static final String WEAR_GLOBAL_ACTIONS_SERVICE_CLASS =
              "com.android.clockwork.globalactions.GlobalActionsService";
      private static final String ACCOUNT_SERVICE_CLASS =
              "com.android.server.accounts.AccountManagerService$Lifecycle";
      private static final String CONTENT_SERVICE_CLASS =
              "com.android.server.content.ContentService$Lifecycle";
      private static final String WALLPAPER_SERVICE_CLASS =
              "com.android.server.wallpaper.WallpaperManagerService$Lifecycle";
      private static final String AUTO_FILL_MANAGER_SERVICE_CLASS =
              "com.android.server.autofill.AutofillManagerService";
      private static final String CONTENT_CAPTURE_MANAGER_SERVICE_CLASS =
              "com.android.server.contentcapture.ContentCaptureManagerService";
      private static final String SYSTEM_CAPTIONS_MANAGER_SERVICE_CLASS =
              "com.android.server.systemcaptions.SystemCaptionsManagerService";
      private static final String TIME_ZONE_RULES_MANAGER_SERVICE_CLASS =
              "com.android.server.timezone.RulesManagerService$Lifecycle";
      private static final String IOT_SERVICE_CLASS =
              "com.android.things.server.IoTSystemService";
      private static final String SLICE_MANAGER_SERVICE_CLASS =
              "com.android.server.slice.SliceManagerService$Lifecycle";
      private static final String CAR_SERVICE_HELPER_SERVICE_CLASS =
              "com.android.internal.car.CarServiceHelperService";
      private static final String TIME_DETECTOR_SERVICE_CLASS =
              "com.android.server.timedetector.TimeDetectorService$Lifecycle";
      private static final String ACCESSIBILITY_MANAGER_SERVICE_CLASS =
              "com.android.server.accessibility.AccessibilityManagerService$Lifecycle";
      private static final String ADB_SERVICE_CLASS =
              "com.android.server.adb.AdbService$Lifecycle";
      private static final String APP_PREDICTION_MANAGER_SERVICE_CLASS =
              "com.android.server.appprediction.AppPredictionManagerService";
      private static final String CONTENT_SUGGESTIONS_SERVICE_CLASS =
              "com.android.server.contentsuggestions.ContentSuggestionsManagerService";
  
      private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
  
      private static final String UNCRYPT_PACKAGE_FILE = "/cache/recovery/uncrypt_file";
      private static final String BLOCK_MAP_FILE = "/cache/recovery/block.map";
  
      private static final String GSI_RUNNING_PROP = "ro.gsid.image_running";
  
      // maximum number of binder threads used for system_server
      // will be higher than the system default
      private static final int sMaxBinderThreads = 31;
  
      /**
       * Default theme used by the system context. This is used to style system-provided dialogs, such
       * as the Power Off dialog, and other visual content.
       */
      private static final int DEFAULT_SYSTEM_THEME =
              com.android.internal.R.style.Theme_DeviceDefault_System;
  
      private final int mFactoryTestMode;
      private Timer mProfilerSnapshotTimer;
  
      private Context mSystemContext;
      private SystemServiceManager mSystemServiceManager;
  
      // TODO: remove all of these references by improving dependency resolution and boot phases
      private PowerManagerService mPowerManagerService;
      private ActivityManagerService mActivityManagerService;
      private WindowManagerGlobalLock mWindowManagerGlobalLock;
      private WebViewUpdateService mWebViewUpdateService;
      private DisplayManagerService mDisplayManagerService;
      private PackageManagerService mPackageManagerService;
      private PackageManager mPackageManager;
      private ContentResolver mContentResolver;
      private EntropyMixer mEntropyMixer;
  
      private boolean mOnlyCore;
      private boolean mFirstBoot;
      private final int mStartCount;
      private final boolean mRuntimeRestart;
      private final long mRuntimeStartElapsedTime;
      private final long mRuntimeStartUptime;
  
      private static final String START_SENSOR_SERVICE = "StartSensorService";
      private static final String START_HIDL_SERVICES = "StartHidlServices";
  
      private static final String SYSPROP_START_COUNT = "sys.system_server.start_count";
      private static final String SYSPROP_START_ELAPSED = "sys.system_server.start_elapsed";
      private static final String SYSPROP_START_UPTIME = "sys.system_server.start_uptime";
  
      private Future<?> mSensorServiceStart;
      private Future<?> mZygotePreload;
  
      /**
       * Start the sensor service. This is a blocking call and can take time.
       */
      private static native void startSensorService();
  
      /**
       * Start all HIDL services that are run inside the system server. This may take some time.
       */
      private static native void startHidlServices();
  
      /**
       * Mark this process' heap as profileable. Only for debug builds.
       */
      private static native void initZygoteChildHeapProfiling();
  
      /**
       * The main entry point from zygote.
       */
      public static void main(String[] args) {
          new SystemServer().run();
      }
  
      public SystemServer() {
          // Check for factory test mode.
          mFactoryTestMode = FactoryTest.getMode();
  
          // Record process start information.
          // Note SYSPROP_START_COUNT will increment by *2* on a FDE device when it fully boots;
          // one for the password screen, second for the actual boot.
          mStartCount = SystemProperties.getInt(SYSPROP_START_COUNT, 0) + 1;
          mRuntimeStartElapsedTime = SystemClock.elapsedRealtime();
          mRuntimeStartUptime = SystemClock.uptimeMillis();
  
          // Remember if it's runtime restart(when sys.boot_completed is already set) or reboot
          // We don't use "mStartCount > 1" here because it'll be wrong on a FDE device.
          // TODO: mRuntimeRestart will *not* be set to true if the proccess crashes before
          // sys.boot_completed is set. Fix it.
          mRuntimeRestart = "1".equals(SystemProperties.get("sys.boot_completed"));
      }
  
      private void run() {
          try {
              traceBeginAndSlog("InitBeforeStartServices");
  
              // Record the process start information in sys props.
              SystemProperties.set(SYSPROP_START_COUNT, String.valueOf(mStartCount));
              SystemProperties.set(SYSPROP_START_ELAPSED, String.valueOf(mRuntimeStartElapsedTime));
              SystemProperties.set(SYSPROP_START_UPTIME, String.valueOf(mRuntimeStartUptime));
  
              EventLog.writeEvent(EventLogTags.SYSTEM_SERVER_START,
                      mStartCount, mRuntimeStartUptime, mRuntimeStartElapsedTime);
  
              // If a device's clock is before 1970 (before 0), a lot of
              // APIs crash dealing with negative numbers, notably
              // java.io.File#setLastModified, so instead we fake it and
              // hope that time from cell towers or NTP fixes it shortly.
              if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) {
                  Slog.w(TAG, "System clock is before 1970; setting to 1970.");
                  SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME);
              }
  
              //
              // Default the timezone property to GMT if not set.
              //
              String timezoneProperty = SystemProperties.get("persist.sys.timezone");
              if (timezoneProperty == null || timezoneProperty.isEmpty()) {
                  Slog.w(TAG, "Timezone not set; setting to GMT.");
                  SystemProperties.set("persist.sys.timezone", "GMT");
              }
  
              // If the system has "persist.sys.language" and friends set, replace them with
              // "persist.sys.locale". Note that the default locale at this point is calculated
              // using the "-Duser.locale" command line flag. That flag is usually populated by
              // AndroidRuntime using the same set of system properties, but only the system_server
              // and system apps are allowed to set them.
              //
              // NOTE: Most changes made here will need an equivalent change to
              // core/jni/AndroidRuntime.cpp
              if (!SystemProperties.get("persist.sys.language").isEmpty()) {
                  final String languageTag = Locale.getDefault().toLanguageTag();
  
                  SystemProperties.set("persist.sys.locale", languageTag);
                  SystemProperties.set("persist.sys.language", "");
                  SystemProperties.set("persist.sys.country", "");
                  SystemProperties.set("persist.sys.localevar", "");
              }
  
              // The system server should never make non-oneway calls
              Binder.setWarnOnBlocking(true);
              // The system server should always load safe labels
              PackageItemInfo.forceSafeLabels();
  
              // Default to FULL within the system server.
              SQLiteGlobal.sDefaultSyncMode = SQLiteGlobal.SYNC_MODE_FULL;
  
              // Deactivate SQLiteCompatibilityWalFlags until settings provider is initialized
              SQLiteCompatibilityWalFlags.init(null);
  
              // Here we go!
              Slog.i(TAG, "Entered the Android system server!");
              int uptimeMillis = (int) SystemClock.elapsedRealtime();
              EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, uptimeMillis);
              if (!mRuntimeRestart) {
                  MetricsLogger.histogram(null, "boot_system_server_init", uptimeMillis);
              }
  
              // In case the runtime switched since last boot (such as when
              // the old runtime was removed in an OTA), set the system
              // property so that it is in sync. We can | xq oqi't do this in
              // libnativehelper's JniInvocation::Init code where we already
              // had to fallback to a different runtime because it is
              // running as root and we need to be the system user to set
              // the property. http://b/11463182
              SystemProperties.set("persist.sys.dalvik.vm.lib.2", VMRuntime.getRuntime().vmLibrary());
  
              // Mmmmmm... more memory!
              VMRuntime.getRuntime().clearGrowthLimit();
  
              // The system server has to run all of the time, so it needs to be
              // as efficient as possible with its memory usage.
              VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);
  
              // Some devices rely on runtime fingerprint generation, so make sure
              // we've defined it before booting further.
              Build.ensureFingerprintProperty();
  
              // Within the system server, it is an error to access Environment paths without
              // explicitly specifying a user.
              Environment.setUserRequired(true);
  
              // Within the system server, any incoming Bundles should be defused
              // to avoid throwing BadParcelableException.
              BaseBundle.setShouldDefuse(true);
  
              // Within the system server, when parceling exceptions, include the stack trace
              Parcel.setStackTraceParceling(true);
  
              // Ensure binder calls into the system always run at foreground priority.
              BinderInternal.disableBackgroundScheduling(true);
  
              // Increase the number of binder threads in system_server
              BinderInternal.setMaxThreads(sMaxBinderThreads);
  
              // Prepare the main looper thread (this thread).
              android.os.Process.setThreadPriority(
                      android.os.Process.THREAD_PRIORITY_FOREGROUND);
              android.os.Process.setCanSelfBackground(false);
              Looper.prepareMainLooper();
              Looper.getMainLooper().setSlowLogThresholdMs(
                      SLOW_DISPATCH_THRESHOLD_MS, SLOW_DELIVERY_THRESHOLD_MS);
  
              // Initialize native services.
              System.loadLibrary("android_servers");
  
              // Debug builds - allow heap profiling.
              if (Build.IS_DEBUGGABLE) {
                  initZygoteChildHeapProfiling();
              }
  
              // Check whether we failed to shut down last time we tried.
              // This call may not return.
              performPendingShutdown();
  
              // Initialize the system context.
              createSystemContext();
  
              // Create the system service manager.
              mSystemServiceManager = new SystemServiceManager(mSystemContext);
              mSystemServiceManager.setStartInfo(mRuntimeRestart,
                      mRuntimeStartElapsedTime, mRuntimeStartUptime);
              LocalServices.addService(SystemServiceManager.class, mSystemServiceManager);
              // Prepare the thread pool for init tasks that can be parallelized
              SystemServerInitThreadPool.get();
          } finally {
              traceEnd();  // InitBeforeStartServices
          }
  
          // Start services.
          try {
              traceBeginAndSlog("StartServices");
              startBootstrapServices();
              startCoreServices();
              startOtherServices();
              SystemServerInitThreadPool.shutdown();
          } catch (Throwable ex) {
              Slog.e("System", "******************************************");
              Slog.e("System", "************ Failure starting system services", ex);
              throw ex;
          } finally {
              traceEnd();
          }
  
          StrictMode.initVmDefaults(null);
  
          if (!mRuntimeRestart && !isFirstBootOrUpgrade()) {
              int uptimeMillis = (int) SystemClock.elapsedRealtime();
              MetricsLogger.histogram(null, "boot_system_server_ready", uptimeMillis);
              final int MAX_UPTIME_MILLIS = 60 * 1000;
              if (uptimeMillis > MAX_UPTIME_MILLIS) {
                  Slog.wtf(SYSTEM_SERVER_TIMING_TAG,
                          "SystemServer init took too long. uptimeMillis=" + uptimeMillis);
              }
          }
  
          // Diagnostic to ensure that the system is in a base healthy state. Done here as a common
          // non-zygote process.
          if (!VMRuntime.hasBootImageSpaces()) {
              Slog.wtf(TAG, "Runtime is not running with a boot image!");
          }
  
          // Loop forever.
          Looper.loop();
          throw new RuntimeException("Main thread loop unexpectedly exited");
      }
  
      private boolean isFirstBootOrUpgrade() {
          return mPackageManagerService.isFirstBoot() || mPackageManagerService.isDeviceUpgrading();
      }
  
      private void reportWtf(String msg, Throwable e) {
          Slog.w(TAG, "***********************************************");
          Slog.wtf(TAG, "BOOT FAILURE " + msg, e);
      }
  
      private void performPendingShutdown() {
          final String shutdownAction = SystemProperties.get(
                  ShutdownThread.SHUTDOWN_ACTION_PROPERTY, "");
          if (shutdownAction != null && shutdownAction.length() > 0) {
              boolean reboot = (shutdownAction.charAt(0) == '1');
  
              final String reason;
              if (shutdownAction.length() > 1) {
                  reason = shutdownAction.substring(1, shutdownAction.length());
              } else {
                  reason = null;
              }
  
              // If it's a pending reboot into recovery to apply an update,
              // always make sure uncrypt gets executed properly when needed.
              // If '/cache/recovery/block.map' hasn't been created, stop the
              // reboot which will fail for sure, and get a chance to capture a
              // bugreport when that's still feasible. (Bug: 26444951)
              if (reason != null && reason.startsWith(PowerManager.REBOOT_RECOVERY_UPDATE)) {
                  File packageFile = new File(UNCRYPT_PACKAGE_FILE);
                  if (packageFile.exists()) {
                      String filename = null;
                      try {
                          filename = FileUtils.readTextFile(packageFile, 0, null);
                      } catch (IOException e) {
                          Slog.e(TAG, "Error reading uncrypt package file", e);
                      }
  
                      if (filename != null && filename.startsWith("/data")) {
                          if (!new File(BLOCK_MAP_FILE).exists()) {
                              Slog.e(TAG, "Can't find block map file, uncrypt failed or " +
                                      "unexpected runtime restart?");
                              return;
                          }
                      }
                  }
              }
              Runnable runnable = new Runnable() {
                  @Override
                  public void run() {
                      synchronized (this) {
                          ShutdownThread.rebootOrShutdown(null, reboot, reason);
                      }
                  }
              };
  
              // ShutdownThread must run on a looper capable of displaying the UI.
              Message msg = Message.obtain(UiThread.getHandler(), runnable);
              msg.setAsynchronous(true);
              UiThread.getHandler().sendMessage(msg);
  
          }
      }
  
      private void createSystemContext() {
          ActivityThread activityThread = ActivityThread.systemMain();
          mSystemContext = activityThread.getSystemContext();
          mSystemContext.setTheme(DEFAULT_SYSTEM_THEME);
  
          final Context systemUiContext = activityThread.getSystemUiContext();
          systemUiContext.setTheme(DEFAULT_SYSTEM_THEME);
      }
  
      /**
       * Starts the small tangle of critical services that are needed to get the system off the
       * ground.  These services have complex mutual dependencies which is why we initialize them all
       * in one place here.  Unless your service is also entwined in these dependencies, it should be
       * initialized in one of the other functions.
       */
      private void startBootstrapServices() {
          // Start the watchdog as early as possible so we can crash the system server
          // if we deadlock during early boot
          traceBeginAndSlog("StartWatchdog");
          final Watchdog watchdog = Watchdog.getInstance();
          watchdog.start();
          traceEnd();
  
          Slog.i(TAG, "Reading configuration...");
          final String TAG_SYSTEM_CONFIG = "ReadingSystemConfig";
          traceBeginAndSlog(TAG_SYSTEM_CONFIG);
          SystemServerInitThreadPool.get().submit(SystemConfig::getInstance, TAG_SYSTEM_CONFIG);
          traceEnd();
  
          // Wait for installd to finish starting up so that it has a chance to
          // create critical directories such as /data/user with the appropriate
          // permissions.  We need this to complete before we initialize other services.
          traceBeginAndSlog("StartInstaller");
          Installer installer = mSystemServiceManager.startService(Installer.class);
          traceEnd();
  
          // In some cases after launching an app we need to access device identifiers,
          // therefore register the device identifier policy before the activity manager.
          traceBeginAndSlog("DeviceIdentifiersPolicyService");
          mSystemServiceManager.startService(DeviceIdentifiersPolicyService.class);
          traceEnd();
  
          // Uri Grants Manager.
          traceBeginAndSlog("UriGrantsManagerService");
          mSystemServiceManager.startService(UriGrantsManagerService.Lifecycle.class);
          traceEnd();
  
          // Activity manager runs the show.
          traceBeginAndSlog("StartActivityManager");
          // TODO: Might need to move after migration to WM.
          ActivityTaskManagerService atm = mSystemServiceManager.startService(
                  ActivityTaskManagerService.Lifecycle.class).getService();
          mActivityManagerService = ActivityManagerService.Lifecycle.startService(
                  mSystemServiceManager, atm);
          mActivityManagerService.setSystemServiceManager(mSystemServiceManager);
          mActivityManagerService.setInstaller(installer);
          mWindowManagerGlobalLock = atm.getGlobalLock();
          traceEnd();
  
          // Power manager needs to be started early because other services need it.
          // Native daemons may be watching for it to be registered so it must be ready
          // to handle incoming binder calls immediately (including being able to verify
          // the permissions for those calls).
          traceBeginAndSlog("StartPowerManager");
          mPowerManagerService = mSystemServiceManager.startService(PowerManagerService.class);
          traceEnd();
  
          traceBeginAndSlog("StartThermalManager");
          mSystemServiceManager.startService(ThermalManagerService.class);
          traceEnd();
  
          // Now that the power manager has been started, let the activity manager
          // initialize power management features.
          traceBeginAndSlog("InitPowerManagement");
          mActivityManagerService.initPowerManagement();
          traceEnd();
  
          // Bring up recovery system in case a rescue party needs a reboot
          traceBeginAndSlog("StartRecoverySystemService");
          mSystemServiceManager.startService(RecoverySystemService.class);
          traceEnd();
  
          // Now that we have the bare essentials of the OS up and running, take
          // note that we just booted, which might send out a rescue party if
          // we're stuck in a runtime restart loop.
          RescueParty.noteBoot(mSystemContext);
  
          // Manages LEDs and display backlight so we need it to bring up the display.
          traceBeginAndSlog("StartLightsService");
          mSystemServiceManager.startService(LightsService.class);
          traceEnd();
  
          traceBeginAndSlog("StartSidekickService");
          // Package manager isn't started yet; need to use SysProp not hardware feature
          if (SystemProperties.getBoolean("config.enable_sidekick_graphics", false)) {
              mSystemServiceManager.startService(WEAR_SIDEKICK_SERVICE_CLASS);
          }
          traceEnd();
  
          // Display manager is needed to provide display metrics before package manager
          // starts up.
          traceBeginAndSlog("StartDisplayManager");
          mDisplayManagerService = mSystemServiceManager.startService(DisplayManagerService.class);
          traceEnd();
  
          // We need the default display before we can initialize the package manager.
          traceBeginAndSlog("WaitForDisplay");
          mSystemServiceManager.startBootPhase(SystemService.PHASE_WAIT_FOR_DEFAULT_DISPLAY);
          traceEnd();
  
          // Only run "core" apps if we're encrypting the device.
          String cryptState = VoldProperties.decrypt().orElse("");
          if (ENCRYPTING_STATE.equals(cryptState)) {
              Slog.w(TAG, "Detected encryption in progress - only parsing core apps");
              mOnlyCore = true;
          } else if (ENCRYPTED_STATE.equals(cryptState)) {
              Slog.w(TAG, "Device encrypted - only parsing core apps");
              mOnlyCore = true;
          }
  
          // Start the package manager.
          if (!mRuntimeRestart) {
              MetricsLogger.histogram(null, "boot_package_manager_init_start",
                      (int) SystemClock.elapsedRealtime());
          }
          traceBeginAndSlog("StartPackageManagerService");
          try {
              Watchdog.getInstance().pauseWatchingCurrentThread("packagemanagermain");
              mPackageManagerService = PackageManagerService.main(mSystemContext, installer,
                      mFactoryTestMode != FactoryTest.FACTORY_TEST_OFF, mOnlyCore);
          } finally {
              Watchdog.getInstance().resumeWatchingCurrentThread("packagemanagermain");
          }
          mFirstBoot = mPackageManagerService.isFirstBoot();
          mPackageManager = mSystemContext.getPackageManager();
          traceEnd();
          if (!mRuntimeRestart && !isFirstBootOrUpgrade()) {
              MetricsLogger.histogram(null, "boot_package_manager_init_ready",
                      (int) SystemClock.elapsedRealtime());
          }
          // Manages A/B OTA dexopting. This is a bootstrap service as we need it to rename
          // A/B artifacts after boot, before anything else might touch/need them.
          // Note: this isn't needed during decryption (we don't have /data anyways).
          if (!mOnlyCore) {
              boolean disableOtaDexopt = SystemProperties.getBoolean("config.disable_otadexopt",
                      false);
              if (!disableOtaDexopt) {
                  traceBeginAndSlog("StartOtaDexOptService");
                  try {
                      Watchdog.getInstance().pauseWatchingCurrentThread("moveab");
                      OtaDexoptService.main(mSystemContext, mPackageManagerService);
                  } catch (Throwable e) {
                      reportWtf("starting OtaDexOptService", e);
                  } finally {
                      Watchdog.getInstance().resumeWatchingCurrentThread("moveab");
                      traceEnd();
                  }
              }
          }
  
          traceBeginAndSlog("StartUserManagerService");
          mSystemServiceManager.startService(UserManagerService.LifeCycle.class);
          traceEnd();
  
          // Initialize attribute cache used to cache resources from packages.
          traceBeginAndSlog("InitAttributerCache");
          AttributeCache.init(mSystemContext);
          traceEnd();
  
          // Set up the Application instance for the system process and get started.
          traceBeginAndSlog("SetSystemProcess");
          mActivityManagerService.setSystemProcess();
          traceEnd();
  
          // Complete the watchdog setup with an ActivityManager instance and listen for reboots
          // Do this only after the ActivityManagerService is properly started as a system process
          traceBeginAndSlog("InitWatchdog");
          watchdog.init(mSystemContext, mActivityManagerService);
          traceEnd();
  
          // DisplayManagerService needs to setup android.display scheduling related policies
          // since setSystemProcess() would have overridden policies due to setProcessGroup
          mDisplayManagerService.setupSchedulerPolicies();
  
          // Manages Overlay packages
          traceBeginAndSlog("StartOverlayManagerService");
          mSystemServiceManager.startService(new OverlayManagerService(mSystemContext, installer));
          traceEnd();
  
          traceBeginAndSlog("StartSensorPrivacyService");
          mSystemServiceManager.startService(new SensorPrivacyService(mSystemContext));
          traceEnd();
  
          if (SystemProperties.getInt("persist.sys.displayinset.top", 0) > 0) {
              // DisplayManager needs the overlay immediately.
              mActivityManagerService.updateSystemUiContext();
              LocalServices.getService(DisplayManagerInternal.class).onOverlayChanged();
          }
  
          // The sensor service needs access to package manager service, app ops
          // service, and permissions service, therefore we start it after them.
          // Start sensor service in a separate thread. Completion should be checked
          // before using it.
          mSensorServiceStart = SystemServerInitThreadPool.get().submit(() -> {
              TimingsTraceLog traceLog = new TimingsTraceLog(
                      SYSTEM_SERVER_TIMING_ASYNC_TAG, Trace.TRACE_TAG_SYSTEM_SERVER);
              traceLog.traceBegin(START_SENSOR_SERVICE);
              startSensorService();
              traceLog.traceEnd();
          }, START_SENSOR_SERVICE);
      }
  
      /**
       * Starts some essential services that are not tangled up in the bootstrap process.
       */
      private void startCoreServices() {
          traceBeginAndSlog("StartBatteryService");
          // Tracks the battery level.  Requires LightService.
          mSystemServiceManager.startService(BatteryService.class);
          traceEnd();
  
          // Tracks application usage stats.
          traceBeginAndSlog("StartUsageService");
          mSystemServiceManager.startService(UsageStatsService.class);
          mActivityManagerService.setUsageStatsManager(
                  LocalServices.getService(UsageStatsManagerInternal.class));
          traceEnd();
  
          // Tracks whether the updatable WebView is in a ready state and watches for update installs.
          if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_WEBVIEW)) {
              traceBeginAndSlog("StartWebViewUpdateService");
              mWebViewUpdateService = mSystemServiceManager.startService(WebViewUpdateService.class);
              traceEnd();
          }
  
          // Tracks and caches the device state.
          traceBeginAndSlog("StartCachedDeviceStateService");
          mSystemServiceManager.startService(CachedDeviceStateService.class);
          traceEnd();
  
          // Tracks cpu time spent in binder calls
          traceBeginAndSlog("StartBinderCallsStatsService");
          mSystemServiceManager.startService(BinderCallsStatsService.LifeCycle.class);
          traceEnd();
  
          // Tracks time spent in handling messages in handlers.
          traceBeginAndSlog("StartLooperStatsService");
          mSystemServiceManager.startService(LooperStatsService.Lifecycle.class);
          traceEnd();
  
          // Manages apk rollbacks.
          traceBeginAndSlog("StartRollbackManagerService");
          mSystemServiceManager.startService(RollbackManagerService.class);
          traceEnd();
  
          // Service to capture bugreports.
          traceBeginAndSlog("StartBugreportManagerService");
          mSystemServiceManager.startService(BugreportManagerService.class);
          traceEnd();
  
          // Serivce for GPU and GPU driver.
          traceBeginAndSlog("GpuService");
          mSystemServiceManager.startService(GpuService.class);
          traceEnd();
      }
  
      /**
       * Starts a miscellaneous grab bag of stuff that has yet to be refactored and organized.
       */
      private void startOtherServices() {
          final Context context = mSystemContext;
          VibratorService vibrator = null;
          DynamicSystemService dynamicSystem = null;
          IStorageManager storageManager = null;
          NetworkManagementService networkManagement = null;
          IpSecService ipSecService = null;
          NetworkStatsService networkStats = null;
          NetworkPolicyManagerService networkPolicy = null;
          ConnectivityService connectivity = null;
          NsdService serviceDiscovery = null;
          WindowManagerService wm = null;
          SerialService serial = null;
          NetworkTimeUpdateService networkTimeUpdater = null;
          InputManagerService inputManager = null;
          TelephonyRegistry telephonyRegistry = null;
          ConsumerIrService consumerIr = null;
          MmsServiceBroker mmsService = null;
          HardwarePropertiesManagerService hardwarePropertiesService = null;
  
          boolean disableSystemTextClassifier = SystemProperties.getBoolean(
                  "config.disable_systemtextclassifier", false);
  
          boolean disableNetworkTime = SystemProperties.getBoolean("config.disable_networktime",
                  false);
          boolean disableCameraService = SystemProperties.getBoolean("config.disable_cameraservice",
                  false);
          boolean disableSlices = SystemProperties.getBoolean("config.disable_slices", false);
          boolean enableLeftyService = SystemProperties.getBoolean("config.enable_lefty", false);
  
          boolean isEmulator = SystemProperties.get("ro.kernel.qemu").equals("1");
  
          boolean isWatch = context.getPackageManager().hasSystemFeature(
                  PackageManager.FEATURE_WATCH);
  
          boolean isArc = context.getPackageManager().hasSystemFeature(
                  "org.chromium.arc");
  
          boolean enableVrService = context.getPackageManager().hasSystemFeature(
                  PackageManager.FEATURE_VR_MODE_HIGH_PERFORMANCE);
  
          // For debugging RescueParty
          if (Build.IS_DEBUGGABLE && SystemProperties.getBoolean("debug.crash_system", false)) {
              throw new RuntimeException();
          }
  
          try {
              final String SECONDARY_ZYGOTE_PRELOAD = "SecondaryZygotePreload";
              // We start the preload ~1s before the webview factory preparation, to
              // ensure that it completes before the 32 bit relro process is forked
              // from the zygote. In the event that it takes too long, the webview
              // RELRO process will block, but it will do so without holding any locks.
              mZygotePreload = SystemServerInitThreadPool.get().submit(() -> {
                  try {
                      Slog.i(TAG, SECONDARY_ZYGOTE_PRELOAD);
                      TimingsTraceLog traceLog = new TimingsTraceLog(
                              SYSTEM_SERVER_TIMING_ASYNC_TAG, Trace.TRACE_TAG_SYSTEM_SERVER);
                      traceLog.traceBegin(SECONDARY_ZYGOTE_PRELOAD);
                      if (!Process.ZYGOTE_PROCESS.preloadDefault(Build.SUPPORTED_32_BIT_ABIS[0])) {
                          Slog.e(TAG, "Unable to preload default resources");
                      }
                      traceLog.traceEnd();
                  } catch (Exception ex) {
                      Slog.e(TAG, "Exception preloading default resources", ex);
                  }
              }, SECONDARY_ZYGOTE_PRELOAD);
  
              traceBeginAndSlog("StartKeyAttestationApplicationIdProviderService");
              ServiceManager.addService("sec_key_att_app_id_provider",
                      new KeyAttestationApplicationIdProviderService(context));
              traceEnd();
  
              traceBeginAndSlog("StartKeyChainSystemService");
              mSystemServiceManager.startService(KeyChainSystemService.class);
              traceEnd();
  
              traceBeginAndSlog("StartSchedulingPolicyService");
              ServiceManager.addService("scheduling_policy", new SchedulingPolicyService());
              traceEnd();
  
              traceBeginAndSlog("StartTelecomLoaderService");
              mSystemServiceManager.startService(TelecomLoaderService.class);
              traceEnd();
  
              traceBeginAndSlog("StartTelephonyRegistry");
              telephonyRegistry = new TelephonyRegistry(context);
              ServiceManager.addService("telephony.registry", telephonyRegistry);
              traceEnd();
  
              traceBeginAndSlog("StartEntropyMixer");
              mEntropyMixer = new EntropyMixer(context);
              traceEnd();
  
              mContentResolver = context.getContentResolver();
  
              // The AccountManager must come before the ContentService
              traceBeginAndSlog("StartAccountManagerService");
              mSystemServiceManager.startService(ACCOUNT_SERVICE_CLASS);
              traceEnd();
  
              traceBeginAndSlog("StartContentService");
              mSystemServiceManager.startService(CONTENT_SERVICE_CLASS);
              traceEnd();
  
              traceBeginAndSlog("InstallSystemProviders");
              mActivityManagerService.installSystemProviders();
              // Now that SettingsProvider is ready, reactivate SQLiteCompatibilityWalFlags
              SQLiteCompatibilityWalFlags.reset();
              traceEnd();
  
              // Records errors and logs, for example wtf()
              // Currently this service indirectly depends on SettingsProvider so do this after
              // InstallSystemProviders.
              traceBeginAndSlog("StartDropBoxManager");
              mSystemServiceManager.startService(DropBoxManagerService.class);
              traceEnd();
  
              traceBeginAndSlog("StartVibratorService");
              vibrator = new VibratorService(context);
              ServiceManager.addService("vibrator", vibrator);
              traceEnd();
  
              traceBeginAndSlog("StartDynamicSystemService");
              dynamicSystem = new DynamicSystemService(context);
              ServiceManager.addService("dynamic_system", dynamicSystem);
              traceEnd();
  
              if (!isWatch) {
                  traceBeginAndSlog("StartConsumerIrService");
                  consumerIr = new ConsumerIrService(context);
                  ServiceManager.addService(Context.CONSUMER_IR_SERVICE, consumerIr);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartAlarmManagerService");
              mSystemServiceManager.startService(new AlarmManagerService(context));
              traceEnd();
  
              traceBeginAndSlog("StartInputManagerService");
              inputManager = new InputManagerService(context);
              traceEnd();
  
              traceBeginAndSlog("StartWindowManagerService");
              // WMS needs sensor service ready
              ConcurrentUtils.waitForFutureNoInterrupt(mSensorServiceStart, START_SENSOR_SERVICE);
              mSensorServiceStart = null;
              wm = WindowManagerService.main(context, inputManager, !mFirstBoot, mOnlyCore,
                      new PhoneWindowManager(), mActivityManagerService.mActivityTaskManager);
              ServiceManager.addService(Context.WINDOW_SERVICE, wm, /* allowIsolated= */ false,
                      DUMP_FLAG_PRIORITY_CRITICAL | DUMP_FLAG_PROTO);
              ServiceManager.addService(Context.INPUT_SERVICE, inputManager,
                      /* allowIsolated= */ false, DUMP_FLAG_PRIORITY_CRITICAL);
              traceEnd();
  
              traceBeginAndSlog("SetWindowManagerService");
              mActivityManagerService.setWindowManager(wm);
              traceEnd();
  
              traceBeginAndSlog("WindowManagerServiceOnInitReady");
              wm.onInitReady();
              traceEnd();
  
              // Start receiving calls from HIDL services. Start in in a separate thread
              // because it need to connect to SensorManager. This have to start
              // after START_SENSOR_SERVICE is done.
              SystemServerInitThreadPool.get().submit(() -> {
                  TimingsTraceLog traceLog = new TimingsTraceLog(
                          SYSTEM_SERVER_TIMING_ASYNC_TAG, Trace.TRACE_TAG_SYSTEM_SERVER);
                  traceLog.traceBegin(START_HIDL_SERVICES);
                  startHidlServices();
                  traceLog.traceEnd();
              }, START_HIDL_SERVICES);
  
              if (!isWatch && enableVrService) {
                  traceBeginAndSlog("StartVrManagerService");
                  mSystemServiceManager.startService(VrManagerService.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartInputManager");
              inputManager.setWindowManagerCallbacks(wm.getInputManagerCallback());
              inputManager.start();
              traceEnd();
  
              // TODO: Use service dependencies instead.
              traceBeginAndSlog("DisplayManagerWindowManagerAndInputReady");
              mDisplayManagerService.windowManagerAndInputReady();
              traceEnd();
  
              if (mFactoryTestMode == FactoryTest.FACTORY_TEST_LOW_LEVEL) {
                  Slog.i(TAG, "No Bluetooth Service (factory test)");
              } else if (!context.getPackageManager().hasSystemFeature
                      (PackageManager.FEATURE_BLUETOOTH)) {
                  Slog.i(TAG, "No Bluetooth Service (Bluetooth Hardware Not Present)");
              } else {
                  traceBeginAndSlog("StartBluetoothService");
                  mSystemServiceManager.startService(BluetoothService.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("IpConnectivityMetrics");
              mSystemServiceManager.startService(IpConnectivityMetrics.class);
              traceEnd();
  
              traceBeginAndSlog("NetworkWatchlistService");
              mSystemServiceManager.startService(NetworkWatchlistService.Lifecycle.class);
              traceEnd();
  
              traceBeginAndSlog("PinnerService");
              mSystemServiceManager.startService(PinnerService.class);
              traceEnd();
  
              traceBeginAndSlog("SignedConfigService");
              SignedConfigService.registerUpdateReceiver(mSystemContext);
              traceEnd();
          } catch (RuntimeException e) {
              Slog.e("System", "******************************************");
              Slog.e("System", "************ Failure starting core service", e);
          }
  
          // Before things start rolling, be sure we have decided whether
          // we are in safe mode.
          final boolean safeMode = wm.detectSafeMode();
          if (safeMode) {
              // If yes, immediately turn on the global setting for airplane mode.
              // Note that this does not send broadcasts at this stage because
              // subsystems are not yet up. We will send broadcasts later to ensure
              // all listeners have the chance to react with special handling.
              Settings.Global.putInt(context.getContentResolver(),
                      Settings.Global.AIRPLANE_MODE_ON, 1);
          }
  
          StatusBarManagerService statusBar = null;
          INotificationManager notification = null;
          LocationManagerService location = null;
          CountryDetectorService countryDetector = null;
          ILockSettings lockSettings = null;
          MediaRouterService mediaRouter = null;
  
          // Bring up services needed for UI.
          if (mFactoryTestMode != FactoryTest.FACTORY_TEST_LOW_LEVEL) {
              traceBeginAndSlog("StartInputMethodManagerLifecycle");
              if (InputMethodSystemProperty.MULTI_CLIENT_IME_ENABLED) {
                  mSystemServiceManager.startService(
                          MultiClientInputMethodManagerService.Lifecycle.class);
              } else {
                  mSystemServiceManager.startService(InputMethodManagerService.Lifecycle.class);
              }
              traceEnd();
  
              traceBeginAndSlog("StartAccessibilityManagerService");
              try {
                  mSystemServiceManager.startService(ACCESSIBILITY_MANAGER_SERVICE_CLASS);
              } catch (Throwable e) {
                  reportWtf("starting Accessibility Manager", e);
              }
              traceEnd();
          }
  
          traceBeginAndSlog("MakeDisplayReady");
          try {
              wm.displayReady();
          } catch (Throwable e) {
              reportWtf("making display ready", e);
          }
          traceEnd();
  
          if (mFactoryTestMode != FactoryTest.FACTORY_TEST_LOW_LEVEL) {
              if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) {
                  traceBeginAndSlog("StartStorageManagerService");
                  try {
                      /*
                       * NotificationManagerService is dependant on StorageManagerService,
                       * (for media / usb notifications) so we must start StorageManagerService first.
                       */
                      mSystemServiceManager.startService(STORAGE_MANAGER_SERVICE_CLASS);
                      storageManager = IStorageManager.Stub.asInterface(
                              ServiceManager.getService("mount"));
                  } catch (Throwable e) {
                      reportWtf("starting StorageManagerService", e);
                  }
                  traceEnd();
  
                  traceBeginAndSlog("StartStorageStatsService");
                  try {
                      mSystemServiceManager.startService(STORAGE_STATS_SERVICE_CLASS);
                  } catch (Throwable e) {
                      reportWtf("starting StorageStatsService", e);
                  }
                  traceEnd();
              }
          }
  
          // We start this here so that we update our configuration to set watch or television
          // as appropriate.
          traceBeginAndSlog("StartUiModeManager");
          mSystemServiceManager.startService(UiModeManagerService.class);
          traceEnd();
  
          if (!mOnlyCore) {
              traceBeginAndSlog("UpdatePackagesIfNeeded");
              try {
                  Watchdog.getInstance().pauseWatchingCurrentThread("dexopt");
                  mPackageManagerService.updatePackagesIfNeeded();
              } catch (Throwable e) {
                  reportWtf("update packages", e);
              } finally {
                  Watchdog.getInstance().resumeWatchingCurrentThread("dexopt");
              }
              traceEnd();
          }
  
          traceBeginAndSlog("PerformFstrimIfNeeded");
          try {
              mPackageManagerService.performFstrimIfNeeded();
          } catch (Throwable e) {
              reportWtf("performing fstrim", e);
          }
          traceEnd();
  
          if (mFactoryTestMode != FactoryTest.FACTORY_TEST_LOW_LEVEL) {
              traceBeginAndSlog("StartLockSettingsService");
              try {
                  mSystemServiceManager.startService(LOCK_SETTINGS_SERVICE_CLASS);
                  lockSettings = ILockSettings.Stub.asInterface(
                          ServiceManager.getService("lock_settings"));
              } catch (Throwable e) {
                  reportWtf("starting LockSettingsService service", e);
              }
              traceEnd();
  
              final boolean hasPdb = !SystemProperties.get(PERSISTENT_DATA_BLOCK_PROP).equals("");
              final boolean hasGsi = SystemProperties.getInt(GSI_RUNNING_PROP, 0) > 0;
              if (hasPdb && !hasGsi) {
                  traceBeginAndSlog("StartPersistentDataBlock");
                  mSystemServiceManager.startService(PersistentDataBlockService.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartTestHarnessMode");
              mSystemServiceManager.startService(TestHarnessModeService.class);
              traceEnd();
  
              if (hasPdb || OemLockService.isHalPresent()) {
                  // Implementation depends on pdb or the OemLock HAL
                  traceBeginAndSlog("StartOemLockService");
                  mSystemServiceManager.startService(OemLockService.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartDeviceIdleController");
              mSystemServiceManager.startService(DeviceIdleController.class);
              traceEnd();
  
              // Always start the Device Policy Manager, so that the API is compatible with
              // API8.
              traceBeginAndSlog("StartDevicePolicyManager");
              mSystemServiceManager.startService(DevicePolicyManagerService.Lifecycle.class);
              traceEnd();
  
              if (!isWatch) {
                  traceBeginAndSlog("StartStatusBarManagerService");
                  try {
                      statusBar = new StatusBarManagerService(context, wm);
                      ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
                  } catch (Throwable e) {
                      reportWtf("starting StatusBarManagerService", e);
                  }
                  traceEnd();
              }
  
              startContentCaptureService(context);
              startAttentionService(context);
  
              startSystemCaptionsManagerService(context);
  
              // App prediction manager service
              if (deviceHasConfigString(context, R.string.config_defaultAppPredictionService)) {
                  traceBeginAndSlog("StartAppPredictionService");
                  mSystemServiceManager.startService(APP_PREDICTION_MANAGER_SERVICE_CLASS);
                  traceEnd();
              } else {
                  Slog.d(TAG, "AppPredictionService not defined by OEM");
              }
  
              // Content suggestions manager service
              if (deviceHasConfigString(context, R.string.config_defaultContentSuggestionsService)) {
                  traceBeginAndSlog("StartContentSuggestionsService");
                  mSystemServiceManager.startService(CONTENT_SUGGESTIONS_SERVICE_CLASS);
                  traceEnd();
              } else {
                  Slog.d(TAG, "ContentSuggestionsService not defined by OEM");
              }
  
              traceBeginAndSlog("InitNetworkStackClient");
              try {
                  NetworkStackClient.getInstance().init();
              } catch (Throwable e) {
                  reportWtf("initializing NetworkStackClient", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartNetworkManagementService");
              try {
                  networkManagement = NetworkManagementService.create(context);
                  ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement);
              } catch (Throwable e) {
                  reportWtf("starting NetworkManagement Service", e);
              }
              traceEnd();
  
  
              traceBeginAndSlog("StartIpSecService");
              try {
                  ipSecService = IpSecService.create(context);
                  ServiceManager.addService(Context.IPSEC_SERVICE, ipSecService);
              } catch (Throwable e) {
                  reportWtf("starting IpSec Service", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartTextServicesManager");
              mSystemServiceManager.startService(TextServicesManagerService.Lifecycle.class);
              traceEnd();
  
              if (!disableSystemTextClassifier) {
                  traceBeginAndSlog("StartTextClassificationManagerService");
                  mSystemServiceManager
                          .startService(TextClassificationManagerService.Lifecycle.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartNetworkScoreService");
              mSystemServiceManager.startService(NetworkScoreService.Lifecycle.class);
              traceEnd();
  
              traceBeginAndSlog("StartNetworkStatsService");
              try {
                  networkStats = NetworkStatsService.create(context, networkManagement);
                  ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats);
              } catch (Throwable e) {
                  reportWtf("starting NetworkStats Service", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartNetworkPolicyManagerService");
              try {
                  networkPolicy = new NetworkPolicyManagerService(context, mActivityManagerService,
                          networkManagement);
                  ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy);
              } catch (Throwable e) {
                  reportWtf("starting NetworkPolicy Service", e);
              }
              traceEnd();
  
              if (context.getPackageManager().hasSystemFeature(
                      PackageManager.FEATURE_WIFI)) {
                  // Wifi Service must be started first for wifi-related services.
                  traceBeginAndSlog("StartWifi");
                  mSystemServiceManager.startService(WIFI_SERVICE_CLASS);
                  traceEnd();
                  traceBeginAndSlog("StartWifiScanning");
                  mSystemServiceManager.startService(
                          "com.android.server.wifi.scanner.WifiScanningService");
                  traceEnd();
              }
  
              if (context.getPackageManager().hasSystemFeature(
                      PackageManager.FEATURE_WIFI_RTT)) {
                  traceBeginAndSlog("StartRttService");
                  mSystemServiceManager.startService(
                          "com.android.server.wifi.rtt.RttService");
                  traceEnd();
              }
  
              if (context.getPackageManager().hasSystemFeature(
                      PackageManager.FEATURE_WIFI_AWARE)) {
                  traceBeginAndSlog("StartWifiAware");
                  mSystemServiceManager.startService(WIFI_AWARE_SERVICE_CLASS);
                  traceEnd();
              }
  
              if (context.getPackageManager().hasSystemFeature(
                      PackageManager.FEATURE_WIFI_DIRECT)) {
                  traceBeginAndSlog("StartWifiP2P");
                  mSystemServiceManager.startService(WIFI_P2P_SERVICE_CLASS);
                  traceEnd();
              }
  
              if (context.getPackageManager().hasSystemFeature(
                      PackageManager.FEATURE_LOWPAN)) {
                  traceBeginAndSlog("StartLowpan");
                  mSystemServiceManager.startService(LOWPAN_SERVICE_CLASS);
                  traceEnd();
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_ETHERNET) ||
                      mPackageManager.hasSystemFeature(PackageManager.FEATURE_USB_HOST)) {
                  traceBeginAndSlog("StartEthernet");
                  mSystemServiceManager.startService(ETHERNET_SERVICE_CLASS);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartConnectivityService");
              try {
                  connectivity = new ConnectivityService(
                          context, networkManagement, networkStats, networkPolicy);
                  ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity,
                          /* allowIsolated= */ false,
                          DUMP_FLAG_PRIORITY_HIGH | DUMP_FLAG_PRIORITY_NORMAL);
                  networkPolicy.bindConnectivityManager(connectivity);
              } catch (Throwable e) {
                  reportWtf("starting Connectivity Service", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartNsdService");
              try {
                  serviceDiscovery = NsdService.create(context);
                  ServiceManager.addService(
                          Context.NSD_SERVICE, serviceDiscovery);
              } catch (Throwable e) {
                  reportWtf("starting Service Discovery Service", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartSystemUpdateManagerService");
              try {
                  ServiceManager.addService(Context.SYSTEM_UPDATE_SERVICE,
                          new SystemUpdateManagerService(context));
              } catch (Throwable e) {
                  reportWtf("starting SystemUpdateManagerService", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartUpdateLockService");
              try {
                  ServiceManager.addService(Context.UPDATE_LOCK_SERVICE,
                          new UpdateLockService(context));
              } catch (Throwable e) {
                  reportWtf("starting UpdateLockService", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartNotificationManager");
              mSystemServiceManager.startService(NotificationManagerService.class);
              SystemNotificationChannels.removeDeprecated(context);
              SystemNotificationChannels.createAll(context);
              notification = INotificationManager.Stub.asInterface(
                      ServiceManager.getService(Context.NOTIFICATION_SERVICE));
              traceEnd();
  
              traceBeginAndSlog("StartDeviceMonitor");
              mSystemServiceManager.startService(DeviceStorageMonitorService.class);
              traceEnd();
  
              traceBeginAndSlog("StartLocationManagerService");
              try {
                  location = new LocationManagerService(context);
                  ServiceManager.addService(Context.LOCATION_SERVICE, location);
              } catch (Throwable e) {
                  reportWtf("starting Location Manager", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartCountryDetectorService");
              try {
                  countryDetector = new CountryDetectorService(context);
                  ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector);
              } catch (Throwable e) {
                  reportWtf("starting Country Detector", e);
              }
              traceEnd();
  
              final boolean useNewTimeServices = true;
              if (useNewTimeServices) {
                  traceBeginAndSlog("StartTimeDetectorService");
                  try {
                      mSystemServiceManager.startService(TIME_DETECTOR_SERVICE_CLASS);
                  } catch (Throwable e) {
                      reportWtf("starting StartTimeDetectorService service", e);
                  }
                  traceEnd();
              }
  
              if (!isWatch) {
                  traceBeginAndSlog("StartSearchManagerService");
                  try {
                      mSystemServiceManager.startService(SEARCH_MANAGER_SERVICE_CLASS);
                  } catch (Throwable e) {
                      reportWtf("starting Search Service", e);
                  }
                  traceEnd();
              }
  
              if (context.getResources().getBoolean(R.bool.config_enableWallpaperService)) {
                  traceBeginAndSlog("StartWallpaperManagerService");
                  mSystemServiceManager.startService(WALLPAPER_SERVICE_CLASS);
                  traceEnd();
              } else {
                  Slog.i(TAG, "Wallpaper service disabled by config");
              }
  
              traceBeginAndSlog("StartAudioService");
              if (!isArc) {
                  mSystemServiceManager.startService(AudioService.Lifecycle.class);
              } else {
                  String className = context.getResources()
                          .getString(R.string.config_deviceSpecificAudioService);
                  try {
                      mSystemServiceManager.startService(className + "$Lifecycle");
                  } catch (Throwable e) {
                      reportWtf("starting " + className, e);
                  }
              }
              traceEnd();
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_BROADCAST_RADIO)) {
                  traceBeginAndSlog("StartBroadcastRadioService");
                  mSystemServiceManager.startService(BroadcastRadioService.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartDockObserver");
              mSystemServiceManager.startService(DockObserver.class);
              traceEnd();
  
              if (isWatch) {
                  traceBeginAndSlog("StartThermalObserver");
                  mSystemServiceManager.startService(THERMAL_OBSERVER_CLASS);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartWiredAccessoryManager");
              try {
                  // Listen for wired headset changes
                  inputManager.setWiredAccessoryCallbacks(
                          new WiredAccessoryManager(context, inputManager));
              } catch (Throwable e) {
                  reportWtf("starting WiredAccessoryManager", e);
              }
              traceEnd();
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_MIDI)) {
                  // Start MIDI Manager service
                  traceBeginAndSlog("StartMidiManager");
                  mSystemServiceManager.startService(MIDI_SERVICE_CLASS);
                  traceEnd();
              }
  
              // Start ADB Debugging Service
              traceBeginAndSlog("StartAdbService");
              try {
                  mSystemServiceManager.startService(ADB_SERVICE_CLASS);
              } catch (Throwable e) {
                  Slog.e(TAG, "Failure starting AdbService");
              }
              traceEnd();
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_USB_HOST)
                      || mPackageManager.hasSystemFeature(
                      PackageManager.FEATURE_USB_ACCESSORY)
                      || isEmulator) {
                  // Manage USB host and device support
                  traceBeginAndSlog("StartUsbService");
                  mSystemServiceManager.startService(USB_SERVICE_CLASS);
                  traceEnd();
              }
  
              if (!isWatch) {
                  traceBeginAndSlog("StartSerialService");
                  try {
                      // Serial port support
                      serial = new SerialService(context);
                      ServiceManager.addService(Context.SERIAL_SERVICE, serial);
                  } catch (Throwable e) {
                      Slog.e(TAG, "Failure starting SerialService", e);
                  }
                  traceEnd();
              }
  
              traceBeginAndSlog("StartHardwarePropertiesManagerService");
              try {
                  hardwarePropertiesService = new HardwarePropertiesManagerService(context);
                  ServiceManager.addService(Context.HARDWARE_PROPERTIES_SERVICE,
                          hardwarePropertiesService);
              } catch (Throwable e) {
                  Slog.e(TAG, "Failure starting HardwarePropertiesManagerService", e);
              }
              traceEnd();
  
              traceBeginAndSlog("StartTwilightService");
              mSystemServiceManager.startService(TwilightService.class);
              traceEnd();
  
              traceBeginAndSlog("StartColorDisplay");
              mSystemServiceManager.startService(ColorDisplayService.class);
              traceEnd();
  
              traceBeginAndSlog("StartJobScheduler");
              mSystemServiceManager.startService(JobSchedulerService.class);
              traceEnd();
  
              traceBeginAndSlog("StartSoundTrigger");
              mSystemServiceManager.startService(SoundTriggerService.class);
              traceEnd();
  
              traceBeginAndSlog("StartTrustManager");
              mSystemServiceManager.startService(TrustManagerService.class);
              traceEnd();
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_BACKUP)) {
                  traceBeginAndSlog("StartBackupManager");
                  mSystemServiceManager.startService(BACKUP_MANAGER_SERVICE_CLASS);
                  traceEnd();
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_APP_WIDGETS)
                      || context.getResources().getBoolean(R.bool.config_enableAppWidgetService)) {
                  traceBeginAndSlog("StartAppWidgetService");
                  mSystemServiceManager.startService(APPWIDGET_SERVICE_CLASS);
                  traceEnd();
              }
  
              // Grants default permissions and defines roles
              traceBeginAndSlog("StartRoleManagerService");
              mSystemServiceManager.startService(new RoleManagerService(
                      mSystemContext, new LegacyRoleResolutionPolicy(mSystemContext)));
              traceEnd();
  
              // We need to always start this service, regardless of whether the
              // FEATURE_VOICE_RECOGNIZERS feature is set, because it needs to take care
              // of initializing various settings.  It will internally modify its behavior
              // based on that feature.
              traceBeginAndSlog("StartVoiceRecognitionManager");
              mSystemServiceManager.startService(VOICE_RECOGNITION_MANAGER_SERVICE_CLASS);
              traceEnd();
  
              if (GestureLauncherService.isGestureLauncherEnabled(context.getResources())) {
                  traceBeginAndSlog("StartGestureLauncher");
                  mSystemServiceManager.startService(GestureLauncherService.class);
                  traceEnd();
              }
              traceBeginAndSlog("StartSensorNotification");
              mSystemServiceManager.startService(SensorNotificationService.class);
              traceEnd();
  
              traceBeginAndSlog("StartContextHubSystemService");
              mSystemServiceManager.startService(ContextHubSystemService.class);
              traceEnd();
  
              traceBeginAndSlog("StartDiskStatsService");
              try {
                  ServiceManager.addService("diskstats", new DiskStatsService(context));
              } catch (Throwable e) {
                  reportWtf("starting DiskStats Service", e);
              }
              traceEnd();
  
              traceBeginAndSlog("RuntimeService");
              try {
                  ServiceManager.addService("runtime", new RuntimeService(context));
              } catch (Throwable e) {
                  reportWtf("starting RuntimeService", e);
              }
              traceEnd();
  
              // timezone.RulesManagerService will prevent a device starting up if the chain of trust
              // required for safe time zone updates might be broken. RuleManagerService cannot do
              // this check when mOnlyCore == true, so we don't enable the service in this case.
              // This service requires that JobSchedulerService is already started when it starts.
              final boolean startRulesManagerService =
                      !mOnlyCore && context.getResources().getBoolean(
                              R.bool.config_enableUpdateableTimeZoneRules);
              if (startRulesManagerService) {
                  traceBeginAndSlog("StartTimeZoneRulesManagerService");
                  mSystemServiceManager.startService(TIME_ZONE_RULES_MANAGER_SERVICE_CLASS);
                  traceEnd();
              }
  
              if (!isWatch && !disableNetworkTime) {
                  traceBeginAndSlog("StartNetworkTimeUpdateService");
                  try {
                      if (useNewTimeServices) {
                          networkTimeUpdater = new NewNetworkTimeUpdateService(context);
                      } else {
                          networkTimeUpdater = new OldNetworkTimeUpdateService(context);
                      }
                      Slog.d(TAG, "Using networkTimeUpdater class=" + networkTimeUpdater.getClass());
                      ServiceManager.addService("network_time_update_service", networkTimeUpdater);
                  } catch (Throwable e) {
                      reportWtf("starting NetworkTimeUpdate service", e);
                  }
                  traceEnd();
              }
  
              traceBeginAndSlog("CertBlacklister");
              try {
                  CertBlacklister blacklister = new CertBlacklister(context);
              } catch (Throwable e) {
                  reportWtf("starting CertBlacklister", e);
              }
              traceEnd();
  
              if (EmergencyAffordanceManager.ENABLED) {
                  // EmergencyMode service
                  traceBeginAndSlog("StartEmergencyAffordanceService");
                  mSystemServiceManager.startService(EmergencyAffordanceService.class);
                  traceEnd();
              }
  
              // Dreams (interactive idle-time views, a/k/a screen savers, and doze mode)
              traceBeginAndSlog("StartDreamManager");
              mSystemServiceManager.startService(DreamManagerService.class);
              traceEnd();
  
              traceBeginAndSlog("AddGraphicsStatsService");
              ServiceManager.addService(GraphicsStatsService.GRAPHICS_STATS_SERVICE,
                      new GraphicsStatsService(context));
              traceEnd();
  
              if (CoverageService.ENABLED) {
                  traceBeginAndSlog("AddCoverageService");
                  ServiceManager.addService(CoverageService.COVERAGE_SERVICE, new CoverageService());
                  traceEnd();
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_PRINTING)) {
                  traceBeginAndSlog("StartPrintManager");
                  mSystemServiceManager.startService(PRINT_MANAGER_SERVICE_CLASS);
                  traceEnd();
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_COMPANION_DEVICE_SETUP)) {
                  traceBeginAndSlog("StartCompanionDeviceManager");
                  mSystemServiceManager.startService(COMPANION_DEVICE_MANAGER_SERVICE_CLASS);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartRestrictionManager");
              mSystemServiceManager.startService(RestrictionsManagerService.class);
              traceEnd();
  
              traceBeginAndSlog("StartMediaSessionService");
              mSystemServiceManager.startService(MediaSessionService.class);
              traceEnd();
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_HDMI_CEC)) {
                  traceBeginAndSlog("StartHdmiControlService");
                  mSystemServiceManager.startService(HdmiControlService.class);
                  traceEnd();
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_LIVE_TV)
                      || mPackageManager.hasSystemFeature(PackageManager.FEATURE_LEANBACK)) {
                  traceBeginAndSlog("StartTvInputManager");
                  mSystemServiceManager.startService(TvInputManagerService.class);
                  traceEnd();
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_PICTURE_IN_PICTURE)) {
                  traceBeginAndSlog("StartMediaResourceMonitor");
                  mSystemServiceManager.startService(MediaResourceMonitorService.class);
                  traceEnd();
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_LEANBACK)) {
                  traceBeginAndSlog("StartTvRemoteService");
                  mSystemServiceManager.startService(TvRemoteService.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartMediaRouterService");
              try {
                  mediaRouter = new MediaRouterService(context);
                  ServiceManager.addService(Context.MEDIA_ROUTER_SERVICE, mediaRouter);
              } catch (Throwable e) {
                  reportWtf("starting MediaRouterService", e);
              }
              traceEnd();
  
              final boolean hasFeatureFace
                      = mPackageManager.hasSystemFeature(PackageManager.FEATURE_FACE);
              final boolean hasFeatureIris
                      = mPackageManager.hasSystemFeature(PackageManager.FEATURE_IRIS);
              final boolean hasFeatureFingerprint
                      = mPackageManager.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT);
  
              if (hasFeatureFace) {
                  traceBeginAndSlog("StartFaceSensor");
                  mSystemServiceManager.startService(FaceService.class);
                  traceEnd();
              }
  
              if (hasFeatureIris) {
                  traceBeginAndSlog("StartIrisSensor");
                  mSystemServiceManager.startService(IrisService.class);
                  traceEnd();
              }
  
              if (hasFeatureFingerprint) {
                  traceBeginAndSlog("StartFingerprintSensor");
                  mSystemServiceManager.startService(FingerprintService.class);
                  traceEnd();
              }
  
              if (hasFeatureFace || hasFeatureIris || hasFeatureFingerprint) {
                  // Start this service after all biometric services.
                  traceBeginAndSlog("StartBiometricService");
                  mSystemServiceManager.startService(BiometricService.class);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartBackgroundDexOptService");
              try {
                  BackgroundDexOptService.schedule(context);
              } catch (Throwable e) {
                  reportWtf("starting StartBackgroundDexOptService", e);
              }
              traceEnd();
  
              if (!isWatch) {
                  // We don't run this on watches as there are no plans to use the data logged
                  // on watch devices.
                  traceBeginAndSlog("StartDynamicCodeLoggingService");
                  try {
                      DynamicCodeLoggingService.schedule(context);
                  } catch (Throwable e) {
                      reportWtf("starting DynamicCodeLoggingService", e);
                  }
                  traceEnd();
              }
  
              if (!isWatch) {
                  traceBeginAndSlog("StartPruneInstantAppsJobService");
                  try {
                      PruneInstantAppsJobService.schedule(context);
                  } catch (Throwable e) {
                      reportWtf("StartPruneInstantAppsJobService", e);
                  }
                  traceEnd();
              }
  
              // LauncherAppsService uses ShortcutService.
              traceBeginAndSlog("StartShortcutServiceLifecycle");
              mSystemServiceManager.startService(ShortcutService.Lifecycle.class);
              traceEnd();
  
              traceBeginAndSlog("StartLauncherAppsService");
              mSystemServiceManager.startService(LauncherAppsService.class);
              traceEnd();
  
              traceBeginAndSlog("StartCrossProfileAppsService");
              mSystemServiceManager.startService(CrossProfileAppsService.class);
              traceEnd();
          }
  
          if (!isWatch) {
              traceBeginAndSlog("StartMediaProjectionManager");
              mSystemServiceManager.startService(MediaProjectionManagerService.class);
              traceEnd();
          }
  
          if (isWatch) {
              // Must be started before services that depend it, e.g. WearConnectivityService
              traceBeginAndSlog("StartWearPowerService");
              mSystemServiceManager.startService(WEAR_POWER_SERVICE_CLASS);
              traceEnd();
  
              traceBeginAndSlog("StartWearConnectivityService");
              mSystemServiceManager.startService(WEAR_CONNECTIVITY_SERVICE_CLASS);
              traceEnd();
  
              traceBeginAndSlog("StartWearDisplayService");
              mSystemServiceManager.startService(WEAR_DISPLAY_SERVICE_CLASS);
              traceEnd();
  
              traceBeginAndSlog("StartWearTimeService");
              mSystemServiceManager.startService(WEAR_TIME_SERVICE_CLASS);
              traceEnd();
  
              if (enableLeftyService) {
                  traceBeginAndSlog("StartWearLeftyService");
                  mSystemServiceManager.startService(WEAR_LEFTY_SERVICE_CLASS);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartWearGlobalActionsService");
              mSystemServiceManager.startService(WEAR_GLOBAL_ACTIONS_SERVICE_CLASS);
              traceEnd();
          }
  
          if (!disableSlices) {
              traceBeginAndSlog("StartSliceManagerService");
              mSystemServiceManager.startService(SLICE_MANAGER_SERVICE_CLASS);
              traceEnd();
          }
  
          if (!disableCameraService) {
              traceBeginAndSlog("StartCameraServiceProxy");
              mSystemServiceManager.startService(CameraServiceProxy.class);
              traceEnd();
          }
  
          if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_EMBEDDED)) {
              traceBeginAndSlog("StartIoTSystemService");
              mSystemServiceManager.startService(IOT_SERVICE_CLASS);
              traceEnd();
          }
  
          // Statsd helper
          traceBeginAndSlog("StartStatsCompanionService");
          mSystemServiceManager.startService(StatsCompanionService.Lifecycle.class);
          traceEnd();
  
          // Incidentd and dumpstated helper
          traceBeginAndSlog("StartIncidentCompanionService");
          mSystemServiceManager.startService(IncidentCompanionService.class);
          traceEnd();
  
          if (safeMode) {
              mActivityManagerService.enterSafeMode();
          }
  
          // MMS service broker
          traceBeginAndSlog("StartMmsService");
          mmsService = mSystemServiceManager.startService(MmsServiceBroker.class);
          traceEnd();
  
          if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_AUTOFILL)) {
              traceBeginAndSlog("StartAutoFillService");
              mSystemServiceManager.startService(AUTO_FILL_MANAGER_SERVICE_CLASS);
              traceEnd();
          }
  
          // NOTE: ClipboardService depends on ContentCapture and Autofill
          traceBeginAndSlog("StartClipboardService");
          mSystemServiceManager.startService(ClipboardService.class);
          traceEnd();
  
          traceBeginAndSlog("AppServiceManager");
          mSystemServiceManager.startService(AppBindingService.Lifecycle.class);
          traceEnd();
  
          // It is now time to start up the app processes...
  
          traceBeginAndSlog("MakeVibratorServiceReady");
          try {
              vibrator.systemReady();
          } catch (Throwable e) {
              reportWtf("making Vibrator Service ready", e);
          }
          traceEnd();
  
          traceBeginAndSlog("MakeLockSettingsServiceReady");
          if (lockSettings != null) {
              try {
                  lockSettings.systemReady();
              } catch (Throwable e) {
                  reportWtf("making Lock Settings Service ready", e);
              }
          }
          traceEnd();
  
          // Needed by DevicePolicyManager for initialization
          traceBeginAndSlog("StartBootPhaseLockSettingsReady");
          mSystemServiceManager.startBootPhase(SystemService.PHASE_LOCK_SETTINGS_READY);
          traceEnd();
  
          traceBeginAndSlog("StartBootPhaseSystemServicesReady");
          mSystemServiceManager.startBootPhase(SystemService.PHASE_SYSTEM_SERVICES_READY);
          traceEnd();
  
          traceBeginAndSlog("MakeWindowManagerServiceReady");
          try {
              wm.systemReady();
          } catch (Throwable e) {
              reportWtf("making Window Manager Service ready", e);
          }
          traceEnd();
  
          if (safeMode) {
              mActivityManagerService.showSafeModeOverlay();
          }
  
          // Update the configuration for this context by hand, because we're going
          // to start using it before the config change done in wm.systemReady() will
          // propagate to it.
          final Configuration config = wm.computeNewConfiguration(DEFAULT_DISPLAY);
          DisplayMetrics metrics = new DisplayMetrics();
          WindowManager w = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
          w.getDefaultDisplay().getMetrics(metrics);
          context.getResources().updateConfiguration(config, metrics);
  
          // The system context's theme may be configuration-dependent.
          final Theme systemTheme = context.getTheme();
          if (systemTheme.getChangingConfigurations() != 0) {
              systemTheme.rebase();
          }
  
          traceBeginAndSlog("MakePowerManagerServiceReady");
          try {
              // TODO: use boot phase
              mPowerManagerService.systemReady(mActivityManagerService.getAppOpsService());
          } catch (Throwable e) {
              reportWtf("making Power Manager Service ready", e);
          }
          traceEnd();
  
          // Permission policy service
          traceBeginAndSlog("StartPermissionPolicyService");
          mSystemServiceManager.startService(PermissionPolicyService.class);
          traceEnd();
  
          traceBeginAndSlog("MakePackageManagerServiceReady");
          mPackageManagerService.systemReady();
          traceEnd();
  
          traceBeginAndSlog("MakeDisplayManagerServiceReady");
          try {
              // TODO: use boot phase and communicate these flags some other way
              mDisplayManagerService.systemReady(safeMode, mOnlyCore);
          } catch (Throwable e) {
              reportWtf("making Display Manager Service ready", e);
          }
          traceEnd();
  
          mSystemServiceManager.setSafeMode(safeMode);
  
          // Start device specific services
          traceBeginAndSlog("StartDeviceSpecificServices");
          final String[] classes = mSystemContext.getResources().getStringArray(
                  R.array.config_deviceSpecificSystemServices);
          for (final String className : classes) {
              traceBeginAndSlog("StartDeviceSpecificServices " + className);
              try {
                  mSystemServiceManager.startService(className);
              } catch (Throwable e) {
                  reportWtf("starting " + className, e);
              }
              traceEnd();
          }
          traceEnd();
  
          traceBeginAndSlog("StartBootPhaseDeviceSpecificServicesReady");
          mSystemServiceManager.startBootPhase(SystemService.PHASE_DEVICE_SPECIFIC_SERVICES_READY);
          traceEnd();
  
          // These are needed to propagate to the runnable below.
          final NetworkManagementService networkManagementF = networkManagement;
          final NetworkStatsService networkStatsF = networkStats;
          final NetworkPolicyManagerService networkPolicyF = networkPolicy;
          final ConnectivityService connectivityF = connectivity;
          final LocationManagerService locationF = location;
          final CountryDetectorService countryDetectorF = countryDetector;
          final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater;
          final InputManagerService inputManagerF = inputManager;
          final TelephonyRegistry telephonyRegistryF = telephonyRegistry;
          final MediaRouterService mediaRouterF = mediaRouter;
          final MmsServiceBroker mmsServiceF = mmsService;
          final IpSecService ipSecServiceF = ipSecService;
          final WindowManagerService windowManagerF = wm;
  
          // We now tell the activity manager it is okay to run third party
          // code.  It will call back into us once it has gotten to the state
          // where third party code can really run (but before it has actually
          // started launching the initial applications), for us to complete our
          // initialization.
          mActivityManagerService.systemReady(() -> {
              Slog.i(TAG, "Making services ready");
              traceBeginAndSlog("StartActivityManagerReadyPhase");
              mSystemServiceManager.startBootPhase(
                      SystemService.PHASE_ACTIVITY_MANAGER_READY);
              traceEnd();
              traceBeginAndSlog("StartObservingNativeCrashes");
              try {
                  mActivityManagerService.startObservingNativeCrashes();
              } catch (Throwable e) {
                  reportWtf("observing native crashes", e);
              }
              traceEnd();
  
              // No dependency on Webview preparation in system server. But this should
              // be completed before allowing 3rd party
              final String WEBVIEW_PREPARATION = "WebViewFactoryPreparation";
              Future<?> webviewPrep = null;
              if (!mOnlyCore && mWebViewUpdateService != null) {
                  webviewPrep = SystemServerInitThreadPool.get().submit(() -> {
                      Slog.i(TAG, WEBVIEW_PREPARATION);
                      TimingsTraceLog traceLog = new TimingsTraceLog(
                              SYSTEM_SERVER_TIMING_ASYNC_TAG, Trace.TRACE_TAG_SYSTEM_SERVER);
                      traceLog.traceBegin(WEBVIEW_PREPARATION);
                      ConcurrentUtils.waitForFutureNoInterrupt(mZygotePreload, "Zygote preload");
                      mZygotePreload = null;
                      mWebViewUpdateService.prepareWebViewInSystemServer();
                      traceLog.traceEnd();
                  }, WEBVIEW_PREPARATION);
              }
  
              if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE)) {
                  traceBeginAndSlog("StartCarServiceHelperService");
                  mSystemServiceManager.startService(CAR_SERVICE_HELPER_SERVICE_CLASS);
                  traceEnd();
              }
  
              traceBeginAndSlog("StartSystemUI");
              try {
                  startSystemUi(context, windowManagerF);
              } catch (Throwable e) {
                  reportWtf("starting System UI", e);
              }
              traceEnd();
              // Enable airplane mode in safe mode. setAirplaneMode() cannot be called
              // earlier as it sends broadcasts to other services.
              // TODO: This may actually be too late if radio firmware already started leaking
              // RF before the respective services start. However, fixing this requires changes
              // to radio firmware and interfaces.
              if (safeMode) {
                  traceBeginAndSlog("EnableAirplaneModeInSafeMode");
                  try {
                      connectivityF.setAirplaneMode(true);
                  } catch (Throwable e) {
                      reportWtf("enabling Airplane Mode during Safe Mode bootup", e);
                  }
                  traceEnd();
              }
              traceBeginAndSlog("MakeNetworkManagementServiceReady");
              try {
                  if (networkManagementF != null) {
                      networkManagementF.systemReady();
                  }
              } catch (Throwable e) {
                  reportWtf("making Network Managment Service ready", e);
              }
              CountDownLatch networkPolicyInitReadySignal = null;
              if (networkPolicyF != null) {
                  networkPolicyInitReadySignal = networkPolicyF
                          .networkScoreAndNetworkManagementServiceReady();
              }
              traceEnd();
              traceBeginAndSlog("MakeIpSecServiceReady");
              try {
                  if (ipSecServiceF != null) {
                      ipSecServiceF.systemReady();
                  }
              } catch (Throwable e) {
                  reportWtf("making IpSec Service ready", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeNetworkStatsServiceReady");
              try {
                  if (networkStatsF != null) {
                      networkStatsF.systemReady();
                  }
              } catch (Throwable e) {
                  reportWtf("making Network Stats Service ready", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeConnectivityServiceReady");
              try {
                  if (connectivityF != null) {
                      connectivityF.systemReady();
                  }
              } catch (Throwable e) {
                  reportWtf("making Connectivity Service ready", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeNetworkPolicyServiceReady");
              try {
                  if (networkPolicyF != null) {
                      networkPolicyF.systemReady(networkPolicyInitReadySignal);
                  }
              } catch (Throwable e) {
                  reportWtf("making Network Policy Service ready", e);
              }
              traceEnd();
  
              // Wait for all packages to be prepared
              mPackageManagerService.waitForAppDataPrepared();
  
              // It is now okay to let the various system services start their
              // third party code...
              traceBeginAndSlog("PhaseThirdPartyAppsCanStart");
              // confirm webview completion before starting 3rd party
              if (webviewPrep != null) {
                  ConcurrentUtils.waitForFutureNoInterrupt(webviewPrep, WEBVIEW_PREPARATION);
              }
              mSystemServiceManager.startBootPhase(
                      SystemService.PHASE_THIRD_PARTY_APPS_CAN_START);
              traceEnd();
  
              traceBeginAndSlog("StartNetworkStack");
              try {
                  // Note : the network stack is creating on-demand objects that need to send
                  // broadcasts, which means it currently depends on being started after
                  // ActivityManagerService.mSystemReady and ActivityManagerService.mProcessesReady
                  // are set to true. Be careful if moving this to a different place in the
                  // startup sequence.
                  NetworkStackClient.getInstance().start(context);
              } catch (Throwable e) {
                  reportWtf("starting Network Stack", e);
              }
              traceEnd();
  
              traceBeginAndSlog("MakeLocationServiceReady");
              try {
                  if (locationF != null) {
                      locationF.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying Location Service running", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeCountryDetectionServiceReady");
              try {
                  if (countryDetectorF != null) {
                      countryDetectorF.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying CountryDetectorService running", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeNetworkTimeUpdateReady");
              try {
                  if (networkTimeUpdaterF != null) {
                      networkTimeUpdaterF.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying NetworkTimeService running", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeInputManagerServiceReady");
              try {
                  // TODO(BT) Pass parameter to input manager
                  if (inputManagerF != null) {
                      inputManagerF.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying InputManagerService running", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeTelephonyRegistryReady");
              try {
                  if (telephonyRegistryF != null) {
                      telephonyRegistryF.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying TelephonyRegistry running", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeMediaRouterServiceReady");
              try {
                  if (mediaRouterF != null) {
                      mediaRouterF.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying MediaRouterService running", e);
              }
              traceEnd();
              traceBeginAndSlog("MakeMmsServiceReady");
              try {
                  if (mmsServiceF != null) {
                      mmsServiceF.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying MmsService running", e);
              }
              traceEnd();
  
              traceBeginAndSlog("IncidentDaemonReady");
              try {
                  // TODO: Switch from checkService to getService once it's always
                  // in the build and should reliably be there.
                  final IIncidentManager incident = IIncidentManager.Stub.asInterface(
                          ServiceManager.getService(Context.INCIDENT_SERVICE));
                  if (incident != null) {
                      incident.systemRunning();
                  }
              } catch (Throwable e) {
                  reportWtf("Notifying incident daemon running", e);
              }
              traceEnd();
          }, BOOT_TIMINGS_TRACE_LOG);
      }
  
      private boolean deviceHasConfigString(@NonNull Context context, @StringRes int resId) {
          String serviceName = context.getString(resId);
          return !TextUtils.isEmpty(serviceName);
      }
  
      private void startSystemCaptionsManagerService(@NonNull Context context) {
          if (!deviceHasConfigString(context, R.string.config_defaultSystemCaptionsManagerService)) {
              Slog.d(TAG, "SystemCaptionsManagerService disabled because resource is not overlaid");
              return;
          }
  
          traceBeginAndSlog("StartSystemCaptionsManagerService");
          mSystemServiceManager.startService(SYSTEM_CAPTIONS_MANAGER_SERVICE_CLASS);
          traceEnd();
      }
  
      private void startContentCaptureService(@NonNull Context context) {
          // First check if it was explicitly enabled by DeviceConfig
          boolean explicitlyEnabled = false;
          String settings = DeviceConfig.getProperty(DeviceConfig.NAMESPACE_CONTENT_CAPTURE,
                  ContentCaptureManager.DEVICE_CONFIG_PROPERTY_SERVICE_EXPLICITLY_ENABLED);
          if (settings != null && !settings.equalsIgnoreCase("default")) {
              explicitlyEnabled = Boolean.parseBoolean(settings);
              if (explicitlyEnabled) {
                  Slog.d(TAG, "ContentCaptureService explicitly enabled by DeviceConfig");
              } else {
                  Slog.d(TAG, "ContentCaptureService explicitly disabled by DeviceConfig");
                  return;
              }
          }
  
          // Then check if OEM overlaid the resource that defines the service.
          if (!explicitlyEnabled) {
              if (!deviceHasConfigString(context, R.string.config_defaultContentCaptureService)) {
                  Slog.d(TAG, "ContentCaptureService disabled because resource is not overlaid");
                  return;
              }
          }
  
          traceBeginAndSlog("StartContentCaptureService");
          mSystemServiceManager.startService(CONTENT_CAPTURE_MANAGER_SERVICE_CLASS);
  
          ContentCaptureManagerInternal ccmi =
                  LocalServices.getService(ContentCaptureManagerInternal.class);
          if (ccmi != null && mActivityManagerService != null) {
              mActivityManagerService.setContentCaptureManager(ccmi);
          }
  
          traceEnd();
      }
  
      private void startAttentionService(@NonNull Context context) {
          if (!AttentionManagerService.isServiceConfigured(context)) {
              Slog.d(TAG, "AttentionService is not configured on this device");
              return;
          }
  
          traceBeginAndSlog("StartAttentionManagerService");
          mSystemServiceManager.startService(AttentionManagerService.class);
          traceEnd();
      }
  
      private static void startSystemUi(Context context, WindowManagerService windowManager) {
          Intent intent = new Intent();
          intent.setComponent(new ComponentName("com.android.systemui",
                  "com.android.systemui.SystemUIService"));
          intent.addFlags(Intent.FLAG_DEBUG_TRIAGED_MISSING);
          //Slog.d(TAG, "Starting service: " + intent);
          context.startServiceAsUser(intent, UserHandle.SYSTEM);
          windowManager.onSystemUiStarted();
      }
  
      private static void traceBeginAndSlog(@NonNull String name) {
          Slog.i(TAG, name);
          BOOT_TIMINGS_TRACE_LOG.traceBegin(name);
      }
  
      private static void traceEnd() {
          BOOT_TIMINGS_TRACE_LOG.traceEnd();
      }
  }
  