com.satori.mods.suite.StatsJvmMod Maven / Gradle / Ivy

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package com.satori.mods.suite;

import com.satori.mods.core.stats.*;

import java.lang.management.*;

import com.sun.management.OperatingSystemMXBean;
import org.slf4j.*;

public class StatsJvmMod extends Mod {
  public static final Logger log = LoggerFactory.getLogger(StatsJvmMod.class);
  public static final Runtime runtime = Runtime.getRuntime();
  public static final OperatingSystemMXBean osBean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
  public static final int coresNum = osBean.getAvailableProcessors();
  
  public StatsJvmMod() throws Exception {
  }
  
  @Override
  public void onStats(StatsCycle cycle, IStatsCollector collector) {
    double memFree = runtime.freeMemory();
    double memCommitted = runtime.totalMemory();
    double memMax = runtime.maxMemory();
    collector.avg("mem.free", memFree);
    collector.avg("mem.committed", memCommitted);
    collector.avg("mem.allocated", memCommitted - memFree);
    collector.avg("mem.usage", (memCommitted - memFree) / memMax);
    
    collector.avg("cpu.usage", osBean.getProcessCpuLoad() * coresNum);
  }
  
}