コード例 #1
0
  private void createRuntimeProps(MemberStateImpl memberState) {
    Runtime runtime = Runtime.getRuntime();
    ThreadMXBean threadMxBean = ManagementFactory.getThreadMXBean();
    RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
    ClassLoadingMXBean clMxBean = ManagementFactory.getClassLoadingMXBean();
    MemoryMXBean memoryMxBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage heapMemory = memoryMxBean.getHeapMemoryUsage();
    MemoryUsage nonHeapMemory = memoryMxBean.getNonHeapMemoryUsage();

    Map<String, Long> map = new HashMap<String, Long>();
    map.put(
        "runtime.availableProcessors", Integer.valueOf(runtime.availableProcessors()).longValue());
    map.put("date.startTime", runtimeMxBean.getStartTime());
    map.put("seconds.upTime", runtimeMxBean.getUptime());

    map.put("memory.maxMemory", runtime.maxMemory());
    map.put("memory.freeMemory", runtime.freeMemory());
    map.put("memory.totalMemory", runtime.totalMemory());
    map.put("memory.heapMemoryMax", heapMemory.getMax());
    map.put("memory.heapMemoryUsed", heapMemory.getUsed());
    map.put("memory.nonHeapMemoryMax", nonHeapMemory.getMax());
    map.put("memory.nonHeapMemoryUsed", nonHeapMemory.getUsed());
    map.put("runtime.totalLoadedClassCount", clMxBean.getTotalLoadedClassCount());
    map.put(
        "runtime.loadedClassCount", Integer.valueOf(clMxBean.getLoadedClassCount()).longValue());
    map.put("runtime.unloadedClassCount", clMxBean.getUnloadedClassCount());
    map.put("runtime.totalStartedThreadCount", threadMxBean.getTotalStartedThreadCount());
    map.put("runtime.threadCount", Integer.valueOf(threadMxBean.getThreadCount()).longValue());
    map.put(
        "runtime.peakThreadCount", Integer.valueOf(threadMxBean.getPeakThreadCount()).longValue());
    map.put(
        "runtime.daemonThreadCount",
        Integer.valueOf(threadMxBean.getDaemonThreadCount()).longValue());
    memberState.setRuntimeProps(map);
  }
コード例 #2
0
 /** Add class loading metrics. */
 protected void addClassLoadingMetrics(Collection<Metric<?>> result) {
   ClassLoadingMXBean classLoadingMxBean = ManagementFactory.getClassLoadingMXBean();
   result.add(new Metric<Long>("classes", new Long(classLoadingMxBean.getLoadedClassCount())));
   result.add(
       new Metric<Long>(
           "classes.loaded", new Long(classLoadingMxBean.getTotalLoadedClassCount())));
   result.add(
       new Metric<Long>("classes.unloaded", new Long(classLoadingMxBean.getUnloadedClassCount())));
 }
コード例 #3
0
ファイル: Diagnostics.java プロジェクト: xiaobao2110/tomcat
public class Diagnostics {

  private static final String PACKAGE = "org.apache.tomcat.util";

  private static final String INDENT1 = "  ";
  private static final String INDENT2 = "\t";
  private static final String INDENT3 = "   ";
  private static final String CRLF = "\r\n";
  private static final String vminfoSystemProperty = "java.vm.info";

  private static final SimpleDateFormat timeformat =
      new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");

  /* Some platform MBeans */
  private static final ClassLoadingMXBean classLoadingMXBean =
      ManagementFactory.getClassLoadingMXBean();
  private static final CompilationMXBean compilationMXBean =
      ManagementFactory.getCompilationMXBean();
  private static final OperatingSystemMXBean operatingSystemMXBean =
      ManagementFactory.getOperatingSystemMXBean();
  private static final RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
  private static final ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();

  // XXX Not sure whether the following MBeans should better
  // be retrieved on demand, i.e. whether they can change
  // dynamically in the MBeanServer.
  private static final LoggingMXBean loggingMXBean = LogManager.getLoggingMXBean();
  private static final MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
  private static final List<GarbageCollectorMXBean> garbageCollectorMXBeans =
      ManagementFactory.getGarbageCollectorMXBeans();
  private static final List<MemoryManagerMXBean> memoryManagerMXBeans =
      ManagementFactory.getMemoryManagerMXBeans();
  private static final List<MemoryPoolMXBean> memoryPoolMXBeans =
      ManagementFactory.getMemoryPoolMXBeans();

  /**
   * Formats the thread dump header for one thread.
   *
   * @param ti the ThreadInfo describing the thread
   * @return the formatted thread dump header
   */
  private static String getThreadDumpHeader(ThreadInfo ti) {
    StringBuilder sb = new StringBuilder("\"" + ti.getThreadName() + "\"");
    sb.append(" Id=" + ti.getThreadId());
    sb.append(" cpu=" + threadMXBean.getThreadCpuTime(ti.getThreadId()) + " ns");
    sb.append(" usr="******" ns");
    sb.append(" blocked " + ti.getBlockedCount() + " for " + ti.getBlockedTime() + " ms");
    sb.append(" waited " + ti.getWaitedCount() + " for " + ti.getWaitedTime() + " ms");

    if (ti.isSuspended()) {
      sb.append(" (suspended)");
    }
    if (ti.isInNative()) {
      sb.append(" (running in native)");
    }
    sb.append(CRLF);
    sb.append(INDENT3 + "java.lang.Thread.State: " + ti.getThreadState());
    sb.append(CRLF);
    return sb.toString();
  }

  /**
   * Formats the thread dump for one thread.
   *
   * @param ti the ThreadInfo describing the thread
   * @return the formatted thread dump
   */
  private static String getThreadDump(ThreadInfo ti) {
    StringBuilder sb = new StringBuilder(getThreadDumpHeader(ti));
    for (LockInfo li : ti.getLockedSynchronizers()) {
      sb.append(INDENT2 + "locks " + li.toString() + CRLF);
    }
    boolean start = true;
    StackTraceElement[] stes = ti.getStackTrace();
    Object[] monitorDepths = new Object[stes.length];
    MonitorInfo[] mis = ti.getLockedMonitors();
    for (int i = 0; i < mis.length; i++) {
      monitorDepths[mis[i].getLockedStackDepth()] = mis[i];
    }
    for (int i = 0; i < stes.length; i++) {
      StackTraceElement ste = stes[i];
      sb.append(INDENT2 + "at " + ste.toString() + CRLF);
      if (start) {
        if (ti.getLockName() != null) {
          sb.append(INDENT2 + "- waiting on (a " + ti.getLockName() + ")");
          if (ti.getLockOwnerName() != null) {
            sb.append(" owned by " + ti.getLockOwnerName() + " Id=" + ti.getLockOwnerId());
          }
          sb.append(CRLF);
        }
        start = false;
      }
      if (monitorDepths[i] != null) {
        MonitorInfo mi = (MonitorInfo) monitorDepths[i];
        sb.append(
            INDENT2
                + "- locked (a "
                + mi.toString()
                + ")"
                + " index "
                + mi.getLockedStackDepth()
                + " frame "
                + mi.getLockedStackFrame().toString());
        sb.append(CRLF);
      }
    }
    return sb.toString();
  }

  /**
   * Formats the thread dump for a list of threads.
   *
   * @param tinfos the ThreadInfo array describing the thread list
   * @return the formatted thread dump
   */
  private static String getThreadDump(ThreadInfo[] tinfos) {
    StringBuilder sb = new StringBuilder();
    for (ThreadInfo tinfo : tinfos) {
      sb.append(getThreadDump(tinfo));
      sb.append(CRLF);
    }
    return sb.toString();
  }

  /**
   * Check if any threads are deadlocked. If any, print the thread dump for those threads.
   *
   * @return a deadlock message and the formatted thread dump of the deadlocked threads
   */
  private static String findDeadlock() {
    ThreadInfo[] tinfos = null;
    long[] ids = threadMXBean.findDeadlockedThreads();
    if (ids != null) {
      tinfos = threadMXBean.getThreadInfo(threadMXBean.findDeadlockedThreads(), true, true);
      if (tinfos != null) {
        StringBuilder sb = new StringBuilder("Deadlock found between the following threads:");
        sb.append(CRLF);
        sb.append(getThreadDump(tinfos));
        return sb.toString();
      }
    }
    return "";
  }

  /**
   * Retrieves a formatted JVM thread dump. The given list of locales will be used to retrieve a
   * StringManager.
   *
   * @param requestedLocales list of locales to use
   * @return the formatted JVM thread dump
   */
  public static String getThreadDump(Enumeration<Locale> requestedLocales) {
    return getThreadDump(StringManager.getManager(PACKAGE, requestedLocales));
  }

  /**
   * Retrieve a JVM thread dump formatted using the given StringManager.
   *
   * @param requestedSm the StringManager to use
   * @return the formatted JVM thread dump
   */
  private static String getThreadDump(StringManager requestedSm) {
    StringBuilder sb = new StringBuilder();

    synchronized (timeformat) {
      sb.append(timeformat.format(new Date()));
    }
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.threadDumpTitle"));
    sb.append(" ");
    sb.append(runtimeMXBean.getVmName());
    sb.append(" (");
    sb.append(runtimeMXBean.getVmVersion());
    String vminfo = System.getProperty(vminfoSystemProperty);
    if (vminfo != null) {
      sb.append(" " + vminfo);
    }
    sb.append("):" + CRLF);
    sb.append(CRLF);

    ThreadInfo[] tis = threadMXBean.dumpAllThreads(true, true);
    sb.append(getThreadDump(tis));

    sb.append(findDeadlock());
    return sb.toString();
  }

  /**
   * Format contents of a MemoryUsage object.
   *
   * @param name a text prefix used in formatting
   * @param usage the MemoryUsage object to format
   * @return the formatted contents
   */
  private static String formatMemoryUsage(String name, MemoryUsage usage) {
    if (usage != null) {
      StringBuilder sb = new StringBuilder();
      sb.append(INDENT1 + name + " init: " + usage.getInit() + CRLF);
      sb.append(INDENT1 + name + " used: " + usage.getUsed() + CRLF);
      sb.append(INDENT1 + name + " committed: " + usage.getCommitted() + CRLF);
      sb.append(INDENT1 + name + " max: " + usage.getMax() + CRLF);
      return sb.toString();
    }
    return "";
  }

  /**
   * Retrieves a formatted JVM information text. The given list of locales will be used to retrieve
   * a StringManager.
   *
   * @param requestedLocales list of locales to use
   * @return the formatted JVM information text
   */
  public static String getVMInfo(Enumeration<Locale> requestedLocales) {
    return getVMInfo(StringManager.getManager(PACKAGE, requestedLocales));
  }

  /**
   * Retrieve a JVM information text formatted using the given StringManager.
   *
   * @param requestedSm the StringManager to use
   * @return the formatted JVM information text
   */
  private static String getVMInfo(StringManager requestedSm) {
    StringBuilder sb = new StringBuilder();

    synchronized (timeformat) {
      sb.append(timeformat.format(new Date()));
    }
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoRuntime"));
    sb.append(":" + CRLF);
    sb.append(INDENT1 + "vmName: " + runtimeMXBean.getVmName() + CRLF);
    sb.append(INDENT1 + "vmVersion: " + runtimeMXBean.getVmVersion() + CRLF);
    sb.append(INDENT1 + "vmVendor: " + runtimeMXBean.getVmVendor() + CRLF);
    sb.append(INDENT1 + "specName: " + runtimeMXBean.getSpecName() + CRLF);
    sb.append(INDENT1 + "specVersion: " + runtimeMXBean.getSpecVersion() + CRLF);
    sb.append(INDENT1 + "specVendor: " + runtimeMXBean.getSpecVendor() + CRLF);
    sb.append(
        INDENT1 + "managementSpecVersion: " + runtimeMXBean.getManagementSpecVersion() + CRLF);
    sb.append(INDENT1 + "name: " + runtimeMXBean.getName() + CRLF);
    sb.append(INDENT1 + "startTime: " + runtimeMXBean.getStartTime() + CRLF);
    sb.append(INDENT1 + "uptime: " + runtimeMXBean.getUptime() + CRLF);
    sb.append(
        INDENT1 + "isBootClassPathSupported: " + runtimeMXBean.isBootClassPathSupported() + CRLF);
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoOs"));
    sb.append(":" + CRLF);
    sb.append(INDENT1 + "name: " + operatingSystemMXBean.getName() + CRLF);
    sb.append(INDENT1 + "version: " + operatingSystemMXBean.getVersion() + CRLF);
    sb.append(INDENT1 + "architecture: " + operatingSystemMXBean.getArch() + CRLF);
    sb.append(
        INDENT1 + "availableProcessors: " + operatingSystemMXBean.getAvailableProcessors() + CRLF);
    sb.append(
        INDENT1 + "systemLoadAverage: " + operatingSystemMXBean.getSystemLoadAverage() + CRLF);
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoThreadMxBean"));
    sb.append(":" + CRLF);
    sb.append(
        INDENT1
            + "isCurrentThreadCpuTimeSupported: "
            + threadMXBean.isCurrentThreadCpuTimeSupported()
            + CRLF);
    sb.append(
        INDENT1 + "isThreadCpuTimeSupported: " + threadMXBean.isThreadCpuTimeSupported() + CRLF);
    sb.append(INDENT1 + "isThreadCpuTimeEnabled: " + threadMXBean.isThreadCpuTimeEnabled() + CRLF);
    sb.append(
        INDENT1
            + "isObjectMonitorUsageSupported: "
            + threadMXBean.isObjectMonitorUsageSupported()
            + CRLF);
    sb.append(
        INDENT1
            + "isSynchronizerUsageSupported: "
            + threadMXBean.isSynchronizerUsageSupported()
            + CRLF);
    sb.append(
        INDENT1
            + "isThreadContentionMonitoringSupported: "
            + threadMXBean.isThreadContentionMonitoringSupported()
            + CRLF);
    sb.append(
        INDENT1
            + "isThreadContentionMonitoringEnabled: "
            + threadMXBean.isThreadContentionMonitoringEnabled()
            + CRLF);
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoThreadCounts"));
    sb.append(":" + CRLF);
    sb.append(INDENT1 + "daemon: " + threadMXBean.getDaemonThreadCount() + CRLF);
    sb.append(INDENT1 + "total: " + threadMXBean.getThreadCount() + CRLF);
    sb.append(INDENT1 + "peak: " + threadMXBean.getPeakThreadCount() + CRLF);
    sb.append(INDENT1 + "totalStarted: " + threadMXBean.getTotalStartedThreadCount() + CRLF);
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoStartup"));
    sb.append(":" + CRLF);
    for (String arg : runtimeMXBean.getInputArguments()) {
      sb.append(INDENT1 + arg + CRLF);
    }
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoPath"));
    sb.append(":" + CRLF);
    sb.append(INDENT1 + "bootClassPath: " + runtimeMXBean.getBootClassPath() + CRLF);
    sb.append(INDENT1 + "classPath: " + runtimeMXBean.getClassPath() + CRLF);
    sb.append(INDENT1 + "libraryPath: " + runtimeMXBean.getLibraryPath() + CRLF);
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoClassLoading"));
    sb.append(":" + CRLF);
    sb.append(INDENT1 + "loaded: " + classLoadingMXBean.getLoadedClassCount() + CRLF);
    sb.append(INDENT1 + "unloaded: " + classLoadingMXBean.getUnloadedClassCount() + CRLF);
    sb.append(INDENT1 + "totalLoaded: " + classLoadingMXBean.getTotalLoadedClassCount() + CRLF);
    sb.append(INDENT1 + "isVerbose: " + classLoadingMXBean.isVerbose() + CRLF);
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoClassCompilation"));
    sb.append(":" + CRLF);
    sb.append(INDENT1 + "name: " + compilationMXBean.getName() + CRLF);
    sb.append(
        INDENT1 + "totalCompilationTime: " + compilationMXBean.getTotalCompilationTime() + CRLF);
    sb.append(
        INDENT1
            + "isCompilationTimeMonitoringSupported: "
            + compilationMXBean.isCompilationTimeMonitoringSupported()
            + CRLF);
    sb.append(CRLF);

    for (MemoryManagerMXBean mbean : memoryManagerMXBeans) {
      sb.append(requestedSm.getString("diagnostics.vmInfoMemoryManagers", mbean.getName()));
      sb.append(":" + CRLF);
      sb.append(INDENT1 + "isValid: " + mbean.isValid() + CRLF);
      sb.append(INDENT1 + "mbean.getMemoryPoolNames: " + CRLF);
      String[] names = mbean.getMemoryPoolNames();
      Arrays.sort(names);
      for (String name : names) {
        sb.append(INDENT2 + name + CRLF);
      }
      sb.append(CRLF);
    }

    for (GarbageCollectorMXBean mbean : garbageCollectorMXBeans) {
      sb.append(requestedSm.getString("diagnostics.vmInfoGarbageCollectors", mbean.getName()));
      sb.append(":" + CRLF);
      sb.append(INDENT1 + "isValid: " + mbean.isValid() + CRLF);
      sb.append(INDENT1 + "mbean.getMemoryPoolNames: " + CRLF);
      String[] names = mbean.getMemoryPoolNames();
      Arrays.sort(names);
      for (String name : names) {
        sb.append(INDENT2 + name + CRLF);
      }
      sb.append(INDENT1 + "getCollectionCount: " + mbean.getCollectionCount() + CRLF);
      sb.append(INDENT1 + "getCollectionTime: " + mbean.getCollectionTime() + CRLF);
      sb.append(CRLF);
    }

    sb.append(requestedSm.getString("diagnostics.vmInfoMemory"));
    sb.append(":" + CRLF);
    sb.append(INDENT1 + "isVerbose: " + memoryMXBean.isVerbose() + CRLF);
    sb.append(
        INDENT1
            + "getObjectPendingFinalizationCount: "
            + memoryMXBean.getObjectPendingFinalizationCount()
            + CRLF);
    sb.append(formatMemoryUsage("heap", memoryMXBean.getHeapMemoryUsage()));
    sb.append(formatMemoryUsage("non-heap", memoryMXBean.getNonHeapMemoryUsage()));
    sb.append(CRLF);

    for (MemoryPoolMXBean mbean : memoryPoolMXBeans) {
      sb.append(requestedSm.getString("diagnostics.vmInfoMemoryPools", mbean.getName()));
      sb.append(":" + CRLF);
      sb.append(INDENT1 + "isValid: " + mbean.isValid() + CRLF);
      sb.append(INDENT1 + "getType: " + mbean.getType() + CRLF);
      sb.append(INDENT1 + "mbean.getMemoryManagerNames: " + CRLF);
      String[] names = mbean.getMemoryManagerNames();
      Arrays.sort(names);
      for (String name : names) {
        sb.append(INDENT2 + name + CRLF);
      }
      sb.append(INDENT1 + "isUsageThresholdSupported: " + mbean.isUsageThresholdSupported() + CRLF);
      try {
        sb.append(INDENT1 + "isUsageThresholdExceeded: " + mbean.isUsageThresholdExceeded() + CRLF);
      } catch (UnsupportedOperationException ex) {
        // IGNORE
      }
      sb.append(
          INDENT1
              + "isCollectionUsageThresholdSupported: "
              + mbean.isCollectionUsageThresholdSupported()
              + CRLF);
      try {
        sb.append(
            INDENT1
                + "isCollectionUsageThresholdExceeded: "
                + mbean.isCollectionUsageThresholdExceeded()
                + CRLF);
      } catch (UnsupportedOperationException ex) {
        // IGNORE
      }
      try {
        sb.append(INDENT1 + "getUsageThreshold: " + mbean.getUsageThreshold() + CRLF);
      } catch (UnsupportedOperationException ex) {
        // IGNORE
      }
      try {
        sb.append(INDENT1 + "getUsageThresholdCount: " + mbean.getUsageThresholdCount() + CRLF);
      } catch (UnsupportedOperationException ex) {
        // IGNORE
      }
      try {
        sb.append(
            INDENT1 + "getCollectionUsageThreshold: " + mbean.getCollectionUsageThreshold() + CRLF);
      } catch (UnsupportedOperationException ex) {
        // IGNORE
      }
      try {
        sb.append(
            INDENT1
                + "getCollectionUsageThresholdCount: "
                + mbean.getCollectionUsageThresholdCount()
                + CRLF);
      } catch (UnsupportedOperationException ex) {
        // IGNORE
      }
      sb.append(formatMemoryUsage("current", mbean.getUsage()));
      sb.append(formatMemoryUsage("collection", mbean.getCollectionUsage()));
      sb.append(formatMemoryUsage("peak", mbean.getPeakUsage()));
      sb.append(CRLF);
    }

    sb.append(requestedSm.getString("diagnostics.vmInfoSystem"));
    sb.append(":" + CRLF);
    Map<String, String> props = runtimeMXBean.getSystemProperties();
    ArrayList<String> keys = new ArrayList<String>(props.keySet());
    Collections.sort(keys);
    for (String prop : keys) {
      sb.append(INDENT1 + prop + ": " + props.get(prop) + CRLF);
    }
    sb.append(CRLF);

    sb.append(requestedSm.getString("diagnostics.vmInfoLogger"));
    sb.append(":" + CRLF);
    List<String> loggers = loggingMXBean.getLoggerNames();
    Collections.sort(loggers);
    for (String logger : loggers) {
      sb.append(
          INDENT1
              + logger
              + ": level="
              + loggingMXBean.getLoggerLevel(logger)
              + ", parent="
              + loggingMXBean.getParentLoggerName(logger)
              + CRLF);
    }
    sb.append(CRLF);

    return sb.toString();
  }
}
コード例 #4
0
ファイル: JvmStats.java プロジェクト: BlueSir/framework
  /** Exports stats related to the JVM and runtime environment. */
  public static void export() {
    final OperatingSystemMXBean osMbean = ManagementFactory.getOperatingSystemMXBean();
    if (osMbean instanceof com.sun.management.OperatingSystemMXBean) {
      final com.sun.management.OperatingSystemMXBean sunOsMbean =
          (com.sun.management.OperatingSystemMXBean) osMbean;

      Stats.exportAll(
          ImmutableList.<Stat<? extends Number>>builder()
              .add(
                  new StatImpl<Long>("system_free_physical_memory_mb") {
                    @Override
                    public Long read() {
                      return sunOsMbean.getFreePhysicalMemorySize() / BYTES_PER_MB;
                    }
                  })
              .add(
                  new StatImpl<Long>("system_free_swap_mb") {
                    @Override
                    public Long read() {
                      return sunOsMbean.getFreeSwapSpaceSize() / BYTES_PER_MB;
                    }
                  })
              .add(
                  Rate.of(
                          new StatImpl<Long>("process_cpu_time_nanos") {
                            @Override
                            public Long read() {
                              return sunOsMbean.getProcessCpuTime();
                            }
                          })
                      .withName("process_cpu_cores_utilized")
                      .withScaleFactor(SECS_PER_NANO)
                      .build())
              .build());
    }
    if (osMbean instanceof com.sun.management.UnixOperatingSystemMXBean) {
      final com.sun.management.UnixOperatingSystemMXBean unixOsMbean =
          (com.sun.management.UnixOperatingSystemMXBean) osMbean;

      Stats.exportAll(
          ImmutableList.<Stat<? extends Number>>builder()
              .add(
                  new StatImpl<Long>("process_max_fd_count") {
                    @Override
                    public Long read() {
                      return unixOsMbean.getMaxFileDescriptorCount();
                    }
                  })
              .add(
                  new StatImpl<Long>("process_open_fd_count") {
                    @Override
                    public Long read() {
                      return unixOsMbean.getOpenFileDescriptorCount();
                    }
                  })
              .build());
    }

    final Runtime runtime = Runtime.getRuntime();
    final ClassLoadingMXBean classLoadingBean = ManagementFactory.getClassLoadingMXBean();
    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    final MemoryUsage heapUsage = memoryBean.getHeapMemoryUsage();
    final MemoryUsage nonHeapUsage = memoryBean.getNonHeapMemoryUsage();
    final ThreadMXBean threads = ManagementFactory.getThreadMXBean();
    final RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();

    Stats.exportAll(
        ImmutableList.<Stat<? extends Number>>builder()
            .add(
                new StatImpl<Long>("jvm_time_ms") {
                  @Override
                  public Long read() {
                    return System.currentTimeMillis();
                  }
                })
            .add(
                new StatImpl<Integer>("jvm_available_processors") {
                  @Override
                  public Integer read() {
                    return runtime.availableProcessors();
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_free_mb") {
                  @Override
                  public Long read() {
                    return runtime.freeMemory() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_max_mb") {
                  @Override
                  public Long read() {
                    return runtime.maxMemory() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_mb_total") {
                  @Override
                  public Long read() {
                    return runtime.totalMemory() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Integer>("jvm_class_loaded_count") {
                  @Override
                  public Integer read() {
                    return classLoadingBean.getLoadedClassCount();
                  }
                })
            .add(
                new StatImpl<Long>("jvm_class_total_loaded_count") {
                  @Override
                  public Long read() {
                    return classLoadingBean.getTotalLoadedClassCount();
                  }
                })
            .add(
                new StatImpl<Long>("jvm_class_unloaded_count") {
                  @Override
                  public Long read() {
                    return classLoadingBean.getUnloadedClassCount();
                  }
                })
            .add(
                new StatImpl<Long>("jvm_gc_collection_time_ms") {
                  @Override
                  public Long read() {
                    long collectionTimeMs = 0;
                    for (GarbageCollectorMXBean bean :
                        ManagementFactory.getGarbageCollectorMXBeans()) {
                      collectionTimeMs += bean.getCollectionTime();
                    }
                    return collectionTimeMs;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_gc_collection_count") {
                  @Override
                  public Long read() {
                    long collections = 0;
                    for (GarbageCollectorMXBean bean :
                        ManagementFactory.getGarbageCollectorMXBeans()) {
                      collections += bean.getCollectionCount();
                    }
                    return collections;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_heap_mb_used") {
                  @Override
                  public Long read() {
                    return heapUsage.getUsed() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_heap_mb_committed") {
                  @Override
                  public Long read() {
                    return heapUsage.getCommitted() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_heap_mb_max") {
                  @Override
                  public Long read() {
                    return heapUsage.getMax() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_non_heap_mb_used") {
                  @Override
                  public Long read() {
                    return nonHeapUsage.getUsed() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_non_heap_mb_committed") {
                  @Override
                  public Long read() {
                    return nonHeapUsage.getCommitted() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_memory_non_heap_mb_max") {
                  @Override
                  public Long read() {
                    return nonHeapUsage.getMax() / BYTES_PER_MB;
                  }
                })
            .add(
                new StatImpl<Long>("jvm_uptime_secs") {
                  @Override
                  public Long read() {
                    return runtimeMXBean.getUptime() / 1000;
                  }
                })
            .add(
                new StatImpl<Double>("system_load_avg") {
                  @Override
                  public Double read() {
                    return osMbean.getSystemLoadAverage();
                  }
                })
            .add(
                new StatImpl<Integer>("jvm_threads_peak") {
                  @Override
                  public Integer read() {
                    return threads.getPeakThreadCount();
                  }
                })
            .add(
                new StatImpl<Long>("jvm_threads_started") {
                  @Override
                  public Long read() {
                    return threads.getTotalStartedThreadCount();
                  }
                })
            .add(
                new StatImpl<Integer>("jvm_threads_daemon") {
                  @Override
                  public Integer read() {
                    return threads.getDaemonThreadCount();
                  }
                })
            .add(
                new StatImpl<Integer>("jvm_threads_active") {
                  @Override
                  public Integer read() {
                    return threads.getThreadCount();
                  }
                })
            .build());

    // Export per memory pool gc time and cycle count like Ostrich
    // This is based on code in Bridcage: https://cgit.twitter.biz/birdcage/tree/ \
    // ostrich/src/main/scala/com/twitter/ostrich/stats/StatsCollection.scala
    Stats.exportAll(
        Iterables.transform(
            ManagementFactory.getGarbageCollectorMXBeans(),
            new Function<GarbageCollectorMXBean, Stat<? extends Number>>() {
              @Override
              public Stat<? extends Number> apply(final GarbageCollectorMXBean gcMXBean) {
                return new StatImpl<Long>(
                    "jvm_gc_" + Stats.normalizeName(gcMXBean.getName()) + "_collection_count") {
                  @Override
                  public Long read() {
                    return gcMXBean.getCollectionCount();
                  }
                };
              }
            }));

    Stats.exportAll(
        Iterables.transform(
            ManagementFactory.getGarbageCollectorMXBeans(),
            new Function<GarbageCollectorMXBean, Stat<? extends Number>>() {
              @Override
              public Stat<? extends Number> apply(final GarbageCollectorMXBean gcMXBean) {
                return new StatImpl<Long>(
                    "jvm_gc_" + Stats.normalizeName(gcMXBean.getName()) + "_collection_time_ms") {
                  @Override
                  public Long read() {
                    return gcMXBean.getCollectionTime();
                  }
                };
              }
            }));

    Stats.exportString(
        new StatImpl<String>("jvm_input_arguments") {
          @Override
          public String read() {
            return runtimeMXBean.getInputArguments().toString();
          }
        });

    for (final String property : System.getProperties().stringPropertyNames()) {
      Stats.exportString(
          new StatImpl<String>("jvm_prop_" + Stats.normalizeName(property)) {
            @Override
            public String read() {
              return System.getProperty(property);
            }
          });
    }
  }
コード例 #5
0
 public ClassLoadingGaugeSet() {
   this(ManagementFactory.getClassLoadingMXBean());
 }