Ejemplo n.º 1
0
 // Return thread IDs of deadlocked threads or null if any.
 // It finds deadlocks involving only monitors if it's a Tiger VM.
 // Otherwise, it finds deadlocks involving both monitors and
 // the concurrent locks.
 public long[] findDeadlockedThreads() throws IOException {
   ThreadMXBean tm = getThreadMXBean();
   if (supportsLockUsage && tm.isSynchronizerUsageSupported()) {
     return tm.findDeadlockedThreads();
   } else {
     return tm.findMonitorDeadlockedThreads();
   }
 }
Ejemplo n.º 2
0
  synchronized Result formatSummary() {
    Result result = new Result();
    ProxyClient proxyClient = vmPanel.getProxyClient();
    if (proxyClient.isDead()) {
      return null;
    }

    buf = new StringBuilder();
    append("<table cellpadding=1>");

    try {
      RuntimeMXBean rmBean = proxyClient.getRuntimeMXBean();
      CompilationMXBean cmpMBean = proxyClient.getCompilationMXBean();
      ThreadMXBean tmBean = proxyClient.getThreadMXBean();
      MemoryMXBean memoryBean = proxyClient.getMemoryMXBean();
      ClassLoadingMXBean clMBean = proxyClient.getClassLoadingMXBean();
      OperatingSystemMXBean osMBean = proxyClient.getOperatingSystemMXBean();
      com.sun.management.OperatingSystemMXBean sunOSMBean =
          proxyClient.getSunOperatingSystemMXBean();

      append("<tr><td colspan=4>");
      append("<center><b>" + Messages.SUMMARY_TAB_TAB_NAME + "</b></center>");
      String dateTime = headerDateTimeFormat.format(System.currentTimeMillis());
      append("<center>" + dateTime + "</center>");

      append(newDivider);

      { // VM info
        append(newLeftTable);
        append(Messages.CONNECTION_NAME, vmPanel.getDisplayName());
        append(
            Messages.VIRTUAL_MACHINE,
            Resources.format(
                Messages.SUMMARY_TAB_VM_VERSION, rmBean.getVmName(), rmBean.getVmVersion()));
        append(Messages.VENDOR, rmBean.getVmVendor());
        append(Messages.NAME, rmBean.getName());
        append(endTable);

        append(newRightTable);
        result.upTime = rmBean.getUptime();
        append(Messages.UPTIME, formatTime(result.upTime));
        if (sunOSMBean != null) {
          result.processCpuTime = sunOSMBean.getProcessCpuTime();
          append(Messages.PROCESS_CPU_TIME, formatNanoTime(result.processCpuTime));
        }

        if (cmpMBean != null) {
          append(Messages.JIT_COMPILER, cmpMBean.getName());
          append(
              Messages.TOTAL_COMPILE_TIME,
              cmpMBean.isCompilationTimeMonitoringSupported()
                  ? formatTime(cmpMBean.getTotalCompilationTime())
                  : Messages.UNAVAILABLE);
        } else {
          append(Messages.JIT_COMPILER, Messages.UNAVAILABLE);
        }
        append(endTable);
      }

      append(newDivider);

      { // Threads and Classes
        append(newLeftTable);
        int tlCount = tmBean.getThreadCount();
        int tdCount = tmBean.getDaemonThreadCount();
        int tpCount = tmBean.getPeakThreadCount();
        long ttCount = tmBean.getTotalStartedThreadCount();
        String[] strings1 =
            formatLongs(
                tlCount, tpCount,
                tdCount, ttCount);
        append(Messages.LIVE_THREADS, strings1[0]);
        append(Messages.PEAK, strings1[1]);
        append(Messages.DAEMON_THREADS, strings1[2]);
        append(Messages.TOTAL_THREADS_STARTED, strings1[3]);
        append(endTable);

        append(newRightTable);
        long clCount = clMBean.getLoadedClassCount();
        long cuCount = clMBean.getUnloadedClassCount();
        long ctCount = clMBean.getTotalLoadedClassCount();
        String[] strings2 = formatLongs(clCount, cuCount, ctCount);
        append(Messages.CURRENT_CLASSES_LOADED, strings2[0]);
        append(Messages.TOTAL_CLASSES_LOADED, strings2[2]);
        append(Messages.TOTAL_CLASSES_UNLOADED, strings2[1]);
        append(null, "");
        append(endTable);
      }

      append(newDivider);

      { // Memory
        MemoryUsage u = memoryBean.getHeapMemoryUsage();

        append(newLeftTable);
        String[] strings1 = formatKByteStrings(u.getUsed(), u.getMax());
        append(Messages.CURRENT_HEAP_SIZE, strings1[0]);
        append(Messages.MAXIMUM_HEAP_SIZE, strings1[1]);
        append(endTable);

        append(newRightTable);
        String[] strings2 = formatKByteStrings(u.getCommitted());
        append(Messages.COMMITTED_MEMORY, strings2[0]);
        append(
            Messages.SUMMARY_TAB_PENDING_FINALIZATION_LABEL,
            Messages.SUMMARY_TAB_PENDING_FINALIZATION_VALUE,
            memoryBean.getObjectPendingFinalizationCount());
        append(endTable);

        append(newTable);
        Collection<GarbageCollectorMXBean> garbageCollectors =
            proxyClient.getGarbageCollectorMXBeans();
        for (GarbageCollectorMXBean garbageCollectorMBean : garbageCollectors) {
          String gcName = garbageCollectorMBean.getName();
          long gcCount = garbageCollectorMBean.getCollectionCount();
          long gcTime = garbageCollectorMBean.getCollectionTime();

          append(
              Messages.GARBAGE_COLLECTOR,
              Resources.format(
                  Messages.GC_INFO,
                  gcName,
                  gcCount,
                  (gcTime >= 0) ? formatTime(gcTime) : Messages.UNAVAILABLE),
              4);
        }
        append(endTable);
      }

      append(newDivider);

      { // Operating System info
        append(newLeftTable);
        String osName = osMBean.getName();
        String osVersion = osMBean.getVersion();
        String osArch = osMBean.getArch();
        result.nCPUs = osMBean.getAvailableProcessors();
        append(Messages.OPERATING_SYSTEM, osName + " " + osVersion);
        append(Messages.ARCHITECTURE, osArch);
        append(Messages.NUMBER_OF_PROCESSORS, result.nCPUs + "");

        if (pathSeparator == null) {
          // Must use separator of remote OS, not File.pathSeparator
          // from this local VM. In the future, consider using
          // RuntimeMXBean to get the remote system property.
          pathSeparator = osName.startsWith("Windows ") ? ";" : ":";
        }

        if (sunOSMBean != null) {
          String[] kbStrings1 = formatKByteStrings(sunOSMBean.getCommittedVirtualMemorySize());

          String[] kbStrings2 =
              formatKByteStrings(
                  sunOSMBean.getTotalPhysicalMemorySize(),
                  sunOSMBean.getFreePhysicalMemorySize(),
                  sunOSMBean.getTotalSwapSpaceSize(),
                  sunOSMBean.getFreeSwapSpaceSize());

          append(Messages.COMMITTED_VIRTUAL_MEMORY, kbStrings1[0]);
          append(endTable);

          append(newRightTable);
          append(Messages.TOTAL_PHYSICAL_MEMORY, kbStrings2[0]);
          append(Messages.FREE_PHYSICAL_MEMORY, kbStrings2[1]);
          append(Messages.TOTAL_SWAP_SPACE, kbStrings2[2]);
          append(Messages.FREE_SWAP_SPACE, kbStrings2[3]);
        }

        append(endTable);
      }

      append(newDivider);

      { // VM arguments and paths
        append(newTable);
        String args = "";
        java.util.List<String> inputArguments = rmBean.getInputArguments();
        for (String arg : inputArguments) {
          args += arg + " ";
        }
        append(Messages.VM_ARGUMENTS, args, 4);
        append(Messages.CLASS_PATH, rmBean.getClassPath(), 4);
        append(Messages.LIBRARY_PATH, rmBean.getLibraryPath(), 4);
        append(
            Messages.BOOT_CLASS_PATH,
            rmBean.isBootClassPathSupported() ? rmBean.getBootClassPath() : Messages.UNAVAILABLE,
            4);
        append(endTable);
      }
    } catch (IOException e) {
      if (JConsole.isDebug()) {
        e.printStackTrace();
      }
      proxyClient.markAsDead();
      return null;
    } catch (UndeclaredThrowableException e) {
      if (JConsole.isDebug()) {
        e.printStackTrace();
      }
      proxyClient.markAsDead();
      return null;
    }

    append("</table>");

    result.timeStamp = System.currentTimeMillis();
    result.summary = buf.toString();

    return result;
  }