Package java.lang.management

Examples of java.lang.management.OperatingSystemMXBean

25
26
27
28
29
30
31
32
33
34
35
36
37
38
         if (connection == null) {
            log.warn("MBean connection is not open, cannot read open files stats");
            return;
         }

         OperatingSystemMXBean osBean = ManagementFactory.newPlatformMXBeanProxy(connection, ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME,
               OperatingSystemMXBean.class);
         Long openFiles = (Long) connection.getAttribute(osBean.getObjectName(), OPEN_FILE_DESCRIPTOR_COUNT);
         Long maxOpenFiles = (Long) connection.getAttribute(osBean.getObjectName(), MAX_FILE_DESCRIPTOR_COUNT);
         if (openFiles != null) {
            timeline.addValue(OPEN_FILES, new Timeline.Value(openFiles));
         }
         log.tracef("Open files: open=%s, max=%s", openFiles, maxOpenFiles);
      } catch (Exception e) {
View Full Code Here
32
33
34
35
36
37
38
39
40
41
42
43
44
            log.warn("MBean connection is not open, cannot read CPU stats");
            return;
         }

         long cpuTimeMultiplier = getCpuMultiplier(connection);
         OperatingSystemMXBean os = ManagementFactory.newPlatformMXBeanProxy(connection,
               ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME, OperatingSystemMXBean.class);
         int procCount = os.getAvailableProcessors();

         long jmxCpuTime = (Long) connection.getAttribute(OS_NAME, PROCESS_CPU_TIME_ATTR);
         long cpuTime = jmxCpuTime * cpuTimeMultiplier;
         long upTime = (Long) connection.getAttribute(RUNTIME_NAME, PROCESS_UP_TIME);

View Full Code Here
21
22
23
24
25
26
27
28
29
30
31
    public Gauge<Long> create(MetricsRegistry metricsRegistry, final ServiceContext context) {
        return metricsRegistry.newGauge(JeevesEngine.class, "Free files descriptors" ,new Gauge<Long>() {
            @Override
            public Long value () {
                try {
                    OperatingSystemMXBean osMbean = ManagementFactory.getOperatingSystemMXBean();
                    if(osMbean instanceof UnixOperatingSystemMXBean) {
                        UnixOperatingSystemMXBean unixMXBean = (UnixOperatingSystemMXBean) osMbean;
                        return unixMXBean.getMaxFileDescriptorCount() - unixMXBean.getOpenFileDescriptorCount();
                    }
                    return -1L;
View Full Code Here
21
22
23
24
25
26
27
28
29
30
31
    public HealthCheck create(ServiceContext context) {
        return new HealthCheck("Sufficient free file handles") {
            @Override
            protected Result check() throws Exception {
                try {
                    OperatingSystemMXBean osMbean = ManagementFactory.getOperatingSystemMXBean();
                    if(osMbean instanceof UnixOperatingSystemMXBean) {
                        UnixOperatingSystemMXBean unixMXBean = (UnixOperatingSystemMXBean) osMbean;
                        long free = unixMXBean.getMaxFileDescriptorCount() - unixMXBean.getOpenFileDescriptorCount();
                        double fivePercent = Math.max(2.0, ((double) unixMXBean.getMaxFileDescriptorCount()) * 0.01);
                        if (free < fivePercent) {
View Full Code Here
174
175
176
177
178
179
180
181
182
183
184
        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());

        OperatingSystemMXBean osMxBean = ManagementFactory.getOperatingSystemMXBean();
        map.put("osMemory.freePhysicalMemory", get(osMxBean, "getFreePhysicalMemorySize", 0L));
        map.put("osMemory.committedVirtualMemory", get(osMxBean, "getCommittedVirtualMemorySize", 0L));
        map.put("osMemory.totalPhysicalMemory", get(osMxBean, "getTotalPhysicalMemorySize", 0L));

        map.put("osSwap.freeSwapSpace", get(osMxBean, "getFreeSwapSpaceSize", 0L));
View Full Code Here
166
167
168
169
170
171
172
173
174
175
176
    }

    /** return in nano-seconds */
    public static long getProcessCpuTime() {
        if(USE_SUN_MXBEAN) {
            OperatingSystemMXBean mx = ManagementFactory.getOperatingSystemMXBean();
            com.sun.management.OperatingSystemMXBean sunmx = (com.sun.management.OperatingSystemMXBean) mx;
            return sunmx.getProcessCpuTime();
        } else {
            return _getProcessCpuTime() * 1000000L; /* milli to nano (10^6) */
        }
View Full Code Here
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
    }
  }

  @Override
  public void visitOs(OsInfo os) {
    OperatingSystemMXBean bean = ManagementFactory.getOperatingSystemMXBean();

    os.setArch(bean.getArch());
    os.setName(bean.getName());
    os.setVersion(bean.getVersion());
    os.setAvailableProcessors(bean.getAvailableProcessors());
    os.setSystemLoadAverage(bean.getSystemLoadAverage());

    // for Sun JDK
    if (isInstanceOfInterface(bean.getClass(), "com.sun.management.OperatingSystemMXBean")) {
      com.sun.management.OperatingSystemMXBean b = (com.sun.management.OperatingSystemMXBean) bean;

      os.setTotalPhysicalMemory(b.getTotalPhysicalMemorySize());
      os.setFreePhysicalMemory(b.getFreePhysicalMemorySize());
      os.setTotalSwapSpace(b.getTotalSwapSpaceSize());
View Full Code Here
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
    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 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")));
View Full Code Here
362
363
364
365
366
367
368
369
370
371
372
        /* 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;
            initialFdCount = unixos.getOpenFileDescriptorCount();
View Full Code Here
443
444
445
446
447
448
449
450
451
452
453
        /* 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;
            long fdCount = unixos.getOpenFileDescriptorCount();
View Full Code Here
TOP

Related Classes of java.lang.management.OperatingSystemMXBean

  • com.alibaba.dubbo.common.status.support.LoadStatusChecker
  • com.alibaba.dubbo.governance.status.LoadStatusChecker
  • com.alibaba.dubbo.registry.common.status.LoadStatusChecker
  • com.alibaba.otter.node.etl.OtterController
  • com.alibaba.rocketmq.store.StoreUtil
  • com.atlauncher.utils.Utils
  • com.cloudera.flume.util.SystemInfo
  • com.codahale.metrics.jvm.FileDescriptorRatioGaugeTest
  • com.dianping.cat.status.StatusInfoCollector
  • com.google.gerrit.sshd.commands.ShowCaches
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.