Package java.lang.management

Examples of java.lang.management.ClassLoadingMXBean

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      throws Throwable
   {
      MBeanServer server = ManagementFactory.getPlatformMBeanServer();

      // ClassLoadingMXBean
      ClassLoadingMXBean clmbean = ManagementFactory.getClassLoadingMXBean();
      ObjectName clname = new ObjectName(ManagementFactory.CLASS_LOADING_MXBEAN_NAME);
      PlatformMBeanIDC clidc = new PlatformMBeanIDC(server, clname, clmbean);
      mbeans.put(clname.getCanonicalName(), clidc);

      // CompilationMXBean
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        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
        ThreadMXBean threads = ManagementFactory.getThreadMXBean();
        MemoryMXBean mem = ManagementFactory.getMemoryMXBean();
        ClassLoadingMXBean cl = ManagementFactory.getClassLoadingMXBean();

        //
        // print Karaf informations
        //
        maxNameLen = 25;
        System.out.println("Karaf");
        printValue("Karaf home", maxNameLen, System.getProperty("karaf.home"));
        printValue("Karaf base", maxNameLen, System.getProperty("karaf.base"));
        printValue("OSGi Framework", maxNameLen, bundleContext.getBundle(0).getSymbolicName() + " - " +
                bundleContext.getBundle(0).getVersion());
        System.out.println();

        System.out.println("JVM");
        printValue("Java Virtual Machine", maxNameLen, runtime.getVmName() + " version " + runtime.getVmVersion());
        printValue("Version", maxNameLen, System.getProperty("java.version"));
        printValue("Vendor", maxNameLen, runtime.getVmVendor());
        printValue("Uptime", maxNameLen, printDuration(runtime.getUptime()));
        try {
            printValue("Process CPU time", maxNameLen, printDuration(getSunOsValueAsLong(os, "getProcessCpuTime") / 1000000));
        } catch (Throwable t) {
        }
        printValue("Total compile time", maxNameLen, printDuration(ManagementFactory.getCompilationMXBean().getTotalCompilationTime()));

        System.out.println("Threads");
        printValue("Live threads", maxNameLen, Integer.toString(threads.getThreadCount()));
        printValue("Daemon threads", maxNameLen, Integer.toString(threads.getDaemonThreadCount()));
        printValue("Peak", maxNameLen, Integer.toString(threads.getPeakThreadCount()));
        printValue("Total started", maxNameLen, Long.toString(threads.getTotalStartedThreadCount()));

        System.out.println("Memory");
        printValue("Current heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getUsed()));
        printValue("Maximum heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getMax()));
        printValue("Committed heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getCommitted()));
        printValue("Pending objects", maxNameLen, Integer.toString(mem.getObjectPendingFinalizationCount()));
        for (GarbageCollectorMXBean gc : ManagementFactory.getGarbageCollectorMXBeans()) {
            String val = "Name = '" + gc.getName() + "', Collections = " + gc.getCollectionCount() + ", Time = " + printDuration(gc.getCollectionTime());
            printValue("Garbage collector", maxNameLen, val);
        }

        System.out.println("Classes");
        printValue("Current classes loaded", maxNameLen, printLong(cl.getLoadedClassCount()));
        printValue("Total classes loaded", maxNameLen, printLong(cl.getTotalLoadedClassCount()));
        printValue("Total classes unloaded", maxNameLen, printLong(cl.getUnloadedClassCount()));

        System.out.println("Operating system");
        printValue("Name", maxNameLen, os.getName() + " version " + os.getVersion());
        printValue("Architecture", maxNameLen, os.getArch());
        printValue("Processors", maxNameLen, Integer.toString(os.getAvailableProcessors()));
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    @Test
    public void testClassLoadingMXBean() throws IOException {
        DescribedResource describedResource = basicResourceTest("class-loading", null);

        ClassLoadingMXBean mbean = ManagementFactory.getClassLoadingMXBean();
        boolean verbose = describedResource.resource.get("verbose").asBoolean();
        Assert.assertEquals(mbean.isVerbose(), verbose);

        ModelNode op = getOperation("write-attribute", "class-loading", null);
        op.get("name").set("verbose");
        op.get("value").set(!verbose);
        executeOp(op, false);
        Assert.assertEquals(mbean.isVerbose(), !verbose);

        // Restore
        mbean.setVerbose(verbose);
    }
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    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());
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      throws Throwable
   {
      MBeanServer server = ManagementFactory.getPlatformMBeanServer();

      // ClassLoadingMXBean
      ClassLoadingMXBean clmbean = ManagementFactory.getClassLoadingMXBean();
      ObjectName clname = new ObjectName(ManagementFactory.CLASS_LOADING_MXBEAN_NAME);
      PlatformMBeanIDC clidc = new PlatformMBeanIDC(server, clname, clmbean);
      mbeans.put(clname.getCanonicalName(), clidc);

      // CompilationMXBean
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  public void test(TestHarness h)
  {
    try
      {
  Exception caught = null;
  ClassLoadingMXBean bean = ManagementFactory.getClassLoadingMXBean();

  bg.install();

  // Check getName
        caught = null;
        try
          {
            bean.setVerbose(true);
          }
        catch (Exception ex)
          {
            caught = ex;
          }
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        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
        ThreadMXBean threads = ManagementFactory.getThreadMXBean();
        MemoryMXBean mem = ManagementFactory.getMemoryMXBean();
        ClassLoadingMXBean cl = ManagementFactory.getClassLoadingMXBean();

        //
        // print Karaf informations
        //
        maxNameLen = 25;
        System.out.println("Karaf");
        printValue("Karaf version", maxNameLen, System.getProperty("karaf.version"));
        printValue("Karaf home", maxNameLen, System.getProperty("karaf.home"));
        printValue("Karaf base", maxNameLen, System.getProperty("karaf.base"));
        printValue("OSGi Framework", maxNameLen, bundleContext.getBundle(0).getSymbolicName() + " - " +
                bundleContext.getBundle(0).getVersion());
        System.out.println();

        System.out.println("JVM");
        printValue("Java Virtual Machine", maxNameLen, runtime.getVmName() + " version " + runtime.getVmVersion());
        printValue("Version", maxNameLen, System.getProperty("java.version"));
        printValue("Vendor", maxNameLen, runtime.getVmVendor());
        printValue("Uptime", maxNameLen, printDuration(runtime.getUptime()));
        try {
            printValue("Process CPU time", maxNameLen, printDuration(getSunOsValueAsLong(os, "getProcessCpuTime") / 1000000));
        } catch (Throwable t) {
        }
        printValue("Total compile time", maxNameLen, printDuration(ManagementFactory.getCompilationMXBean().getTotalCompilationTime()));

        System.out.println("Threads");
        printValue("Live threads", maxNameLen, Integer.toString(threads.getThreadCount()));
        printValue("Daemon threads", maxNameLen, Integer.toString(threads.getDaemonThreadCount()));
        printValue("Peak", maxNameLen, Integer.toString(threads.getPeakThreadCount()));
        printValue("Total started", maxNameLen, Long.toString(threads.getTotalStartedThreadCount()));

        System.out.println("Memory");
        printValue("Current heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getUsed()));
        printValue("Maximum heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getMax()));
        printValue("Committed heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getCommitted()));
        printValue("Pending objects", maxNameLen, Integer.toString(mem.getObjectPendingFinalizationCount()));
        for (GarbageCollectorMXBean gc : ManagementFactory.getGarbageCollectorMXBeans()) {
            String val = "Name = '" + gc.getName() + "', Collections = " + gc.getCollectionCount() + ", Time = " + printDuration(gc.getCollectionTime());
            printValue("Garbage collector", maxNameLen, val);
        }

        System.out.println("Classes");
        printValue("Current classes loaded", maxNameLen, printLong(cl.getLoadedClassCount()));
        printValue("Total classes loaded", maxNameLen, printLong(cl.getTotalLoadedClassCount()));
        printValue("Total classes unloaded", maxNameLen, printLong(cl.getUnloadedClassCount()));

        System.out.println("Operating system");
        printValue("Name", maxNameLen, os.getName() + " version " + os.getVersion());
        printValue("Architecture", maxNameLen, os.getArch());
        printValue("Processors", maxNameLen, Integer.toString(os.getAvailableProcessors()));
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        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
        ThreadMXBean threads = ManagementFactory.getThreadMXBean();
        MemoryMXBean mem = ManagementFactory.getMemoryMXBean();
        ClassLoadingMXBean cl = ManagementFactory.getClassLoadingMXBean();

        //
        // print Karaf informations
        //
        maxNameLen = 25;
        System.out.println("Karaf");
        printValue("Karaf version", maxNameLen, System.getProperty("karaf.version"));
        printValue("Karaf home", maxNameLen, System.getProperty("karaf.home"));
        printValue("Karaf base", maxNameLen, System.getProperty("karaf.base"));
        printValue("Karaf etc", maxNameLen, System.getProperty("karaf.etc"));
        printValue("OSGi Framework", maxNameLen, bundleContext.getBundle(0).getSymbolicName() + " - " +
                bundleContext.getBundle(0).getVersion());
        System.out.println();

        System.out.println("JVM");
        printValue("Java Virtual Machine", maxNameLen, runtime.getVmName() + " version " + runtime.getVmVersion());
        printValue("Version", maxNameLen, System.getProperty("java.version"));
        printValue("Vendor", maxNameLen, runtime.getVmVendor());
        printValue("Pid", maxNameLen, getPid());
        printValue("Uptime", maxNameLen, printDuration(runtime.getUptime()));
        try {
            printValue("Process CPU time", maxNameLen, printDuration(getSunOsValueAsLong(os, "getProcessCpuTime") / 1000000));
        } catch (Throwable t) {
        }
        printValue("Total compile time", maxNameLen, printDuration(ManagementFactory.getCompilationMXBean().getTotalCompilationTime()));

        System.out.println("Threads");
        printValue("Live threads", maxNameLen, Integer.toString(threads.getThreadCount()));
        printValue("Daemon threads", maxNameLen, Integer.toString(threads.getDaemonThreadCount()));
        printValue("Peak", maxNameLen, Integer.toString(threads.getPeakThreadCount()));
        printValue("Total started", maxNameLen, Long.toString(threads.getTotalStartedThreadCount()));

        System.out.println("Memory");
        printValue("Current heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getUsed()));
        printValue("Maximum heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getMax()));
        printValue("Committed heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getCommitted()));
        printValue("Pending objects", maxNameLen, Integer.toString(mem.getObjectPendingFinalizationCount()));
        for (GarbageCollectorMXBean gc : ManagementFactory.getGarbageCollectorMXBeans()) {
            String val = "Name = '" + gc.getName() + "', Collections = " + gc.getCollectionCount() + ", Time = " + printDuration(gc.getCollectionTime());
            printValue("Garbage collector", maxNameLen, val);
        }

        System.out.println("Classes");
        printValue("Current classes loaded", maxNameLen, printLong(cl.getLoadedClassCount()));
        printValue("Total classes loaded", maxNameLen, printLong(cl.getTotalLoadedClassCount()));
        printValue("Total classes unloaded", maxNameLen, printLong(cl.getUnloadedClassCount()));

        System.out.println("Operating system");
        printValue("Name", maxNameLen, os.getName() + " version " + os.getVersion());
        printValue("Architecture", maxNameLen, os.getArch());
        printValue("Processors", maxNameLen, Integer.toString(os.getAvailableProcessors()));
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        outPW.printf(INDENT_KEY_VALUE_FORMAT, "peak", formatLong(mxBean.getPeakThreadCount())).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "total", formatLong(mxBean.getTotalStartedThreadCount())).println();
    }

    private void dumpClassesInformation(final PrintWriter outPW) {
        final ClassLoadingMXBean mxBean = ManagementFactory.getClassLoadingMXBean();
        if( null == mxBean) {
            return;
        }
        outPW.println("Classes:");
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "loaded", formatLong(mxBean.getLoadedClassCount())).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "total", formatLong(mxBean.getTotalLoadedClassCount())).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "unloaded", formatLong(mxBean.getUnloadedClassCount())).println();
    }
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        outPW.printf(INDENT_KEY_VALUE_FORMAT, "peak", formatLong(mxBean.getPeakThreadCount())).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "total", formatLong(mxBean.getTotalStartedThreadCount())).println();
    }

    private void dumpClassesInformation(final PrintWriter outPW) {
        final ClassLoadingMXBean mxBean = ManagementFactory.getClassLoadingMXBean();
        if( null == mxBean) {
            return;
        }
        outPW.println("Classes:");
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "loaded", formatLong(mxBean.getLoadedClassCount())).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "total", formatLong(mxBean.getTotalLoadedClassCount())).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "unloaded", formatLong(mxBean.getUnloadedClassCount())).println();
    }
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