content: //
  // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you 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.cloud.server;
  
  import java.util.Date;
  import java.util.List;
  
  /**
   * management server related stats
   */
  public interface ManagementServerHostStats {
      Date getCollectionTime();
  
      Date getSystemBootTime();
  
      long getManagementServerHostId();
  
      String getManagementServerHostUuid();
  
      long getManagementServerRunId();
  
      long getSessions();
  
      double getCpuUtilization();
  
      long getTotalJvmMemoryBytes();
  
      double getFreeJvmMemoryBytes();
  
      long getProcessJvmMemoryBytes();
  
      long getJvmUptime();
  
      long getJvmStartTime();
  
      int getAvailableProcessors();
  
      double getLoadAverage();
  
      long getTotalInit();
  
      long getTotalUsed();
  
      long getMaxJvmMemoryBytes();
  
      long getTotalCommitted();
  
      long getPid();
  
      String getJvmName();
  
      String getJvmVendor();
  
      String getJvmVersion();
  
      String getOsDistribution();
  
      List<String> getLastAgents();
  
      List<String> getAgents();
  
      int getAgentCount();
  
      long getHeapMemoryUsed();
  
      long getHeapMemoryTotal();
  
      int getThreadsBlockedCount();
  
      int getThreadsTotalCount();
  
      int getThreadsDaemonCount();
  
      int getThreadsRunnableCount();
  
      int getThreadsTerminatedCount();
  
      int getThreadsWaitingCount();
  
      long getSystemMemoryTotal();
  
      long getSystemMemoryFree();
  
      long getSystemMemoryUsed();
  
      long getSystemMemoryVirtualSize();
  
      String getLogInfo();
  
      /**
       * @return in mega hertz
       */
      double getSystemTotalCpuCycles();
  
      double[] getSystemLoadAverages();
  
      long[] getSystemCyclesUsage();
  
      boolean isDbLocal();
  
      boolean isUsageLocal();
  
      String getKernelVersion();
  }
  