Package java.lang.management

Examples of java.lang.management.OperatingSystemMXBean

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  public DefaultHealthReportProvider() {
  }

  @Override
  public Map<String, String> getRecentHealthReport() {
    OperatingSystemMXBean osMxBean = ManagementFactory.getOperatingSystemMXBean();
    long freeJvmMemory = Runtime.getRuntime().freeMemory();
    long totalJvmMemory = Runtime.getRuntime().totalMemory();
    int availableCPUs = osMxBean.getAvailableProcessors();
    double avgSystemLoad = osMxBean.getSystemLoadAverage();
    long freePhysicalMemory = Long.MAX_VALUE;

    try {
      // if( osMxBean instanceof com.sun.management.OperatingSystemMXBean)
      // {
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        outPW.printf(INDENT_KEY_VALUE_FORMAT, "framework", bundleContext.getBundle(0).getSymbolicName() + " - " +
                bundleContext.getBundle(0).getVersion()).println();
    }

    private void dumpOSInformation(final PrintWriter outPW) {
        final OperatingSystemMXBean mxBean = ManagementFactory.getOperatingSystemMXBean();
        if( null == mxBean) {
            return;
        }
        outPW.printf(KEY_VALUE_FORMAT, "Operating System", mxBean.getName() + ' ' + mxBean.getVersion()).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "architecture", mxBean.getArch()).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "processors", mxBean.getAvailableProcessors()).println();
//        outPW.printf(INDENT_KEY_VALUE_FORMAT, "current system load average", mxBean.getSystemLoadAverage()).println();
    }
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    protected Object doExecute() throws Exception {
        int maxNameLen;

        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("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()));
        try {
            printValue("Total physical memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getTotalPhysicalMemorySize")));
            printValue("Free physical memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getFreePhysicalMemorySize")));
            printValue("Committed virtual memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getCommittedVirtualMemorySize")));
            printValue("Total swap space", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getTotalSwapSpaceSize")));
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    protected Object doExecute() throws Exception {
        int maxNameLen;

        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()));
        try {
            printValue("Total physical memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getTotalPhysicalMemorySize")));
            printValue("Free physical memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getFreePhysicalMemorySize")));
            printValue("Committed virtual memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getCommittedVirtualMemorySize")));
            printValue("Total swap space", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getTotalSwapSpaceSize")));
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import static org.apache.sirona.reporting.web.plugin.api.graph.Graphs.generateReport;

public class JVMEndpoints {
    @Regex
    public Template home() {
        final OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
        final MemoryMXBean memory = ManagementFactory.getMemoryMXBean();

        final Map<String,Object> params = new HashMap<String, Object>();
        if (!Environment.isCollector()) {
            params.put("architecture", os.getArch());
            params.put("name", os.getName());
            params.put("version", os.getVersion());
            params.put("numberProcessor", os.getAvailableProcessors());
            params.put("maxMemory", memory.getHeapMemoryUsage().getMax());
            params.put( "initMemory", memory.getHeapMemoryUsage().getInit() );
            params.put("maxNonHeapMemory", memory.getNonHeapMemoryUsage().getMax());
            params.put("initNonHeapMemory", memory.getNonHeapMemoryUsage().getInit());
        }
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    }

    public void tearDown() throws Exception {
        LOG.info("TearDown started");

        OperatingSystemMXBean osMbean = ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos = (UnixOperatingSystemMXBean) osMbean;
            LOG.info("fdcount after test is: " + unixos.getOpenFileDescriptorCount());
        }
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        /* some useful information - log the number of fds used before
         * and after a test is run. Helps to verify we are freeing resources
         * correctly. Unfortunately this only works on unix systems (the
         * only place sun has implemented as part of the mgmt bean api.
         */
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("Initial fdcount is: "
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        /* some useful information - log the number of fds used before
         * and after a test is run. Helps to verify we are freeing resources
         * correctly. Unfortunately this only works on unix systems (the
         * only place sun has implemented as part of the mgmt bean api.
         */
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("fdcount after test is: "
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        s4dir = ClientBase.createTmpDir();
        s5dir = ClientBase.createTmpDir();

        startServers(withObservers);

        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("Initial fdcount is: "
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    @After
    @Override
    protected void tearDown() throws Exception {
        LOG.info("TearDown started");
       
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("fdcount after test is: "
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