Examples with OperatingSystemMXBean java.lang.management.OperatingSystemMXBean used on opensource projects

Example 1 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project flink by apache.

the class MetricUtils method instantiateCPUMetrics.

private static void instantiateCPUMetrics(MetricGroup metrics) {
    try {
        final OperatingSystemMXBean mxBean = ManagementFactory.getOperatingSystemMXBean();
        final Method fetchCPULoadMethod = Class.forName("com.sun.management.OperatingSystemMXBean").getMethod("getProcessCpuLoad");
        // verify that we can invoke the method
        fetchCPULoadMethod.invoke(mxBean);
        final Method fetchCPUTimeMethod = Class.forName("com.sun.management.OperatingSystemMXBean").getMethod("getProcessCpuTime");
        // verify that we can invoke the method
        fetchCPUTimeMethod.invoke(mxBean);
        metrics.gauge("Load", new Gauge<Double>() {

            @Override
            public Double getValue() {
                try {
                    return (Double) fetchCPULoadMethod.invoke(mxBean);
                } catch (IllegalAccessException | InvocationTargetException | IllegalArgumentException ignored) {
                    return -1.0;
                }
            }
        });
        metrics.gauge("Time", new Gauge<Long>() {

            @Override
            public Long getValue() {
                try {
                    return (Long) fetchCPUTimeMethod.invoke(mxBean);
                } catch (IllegalAccessException | InvocationTargetException | IllegalArgumentException ignored) {
                    return -1L;
                }
            }
        });
    } catch (ClassNotFoundException | InvocationTargetException | SecurityException | NoSuchMethodException | IllegalArgumentException | IllegalAccessException ignored) {
        LOG.warn("Cannot access com.sun.management.OperatingSystemMXBean.getProcessCpuLoad()" + " - CPU load metrics will not be available.");
        // make sure that a metric still exists for the given name
        metrics.gauge("Load", new Gauge<Double>() {

            @Override
            public Double getValue() {
                return -1.0;
            }
        });
        metrics.gauge("Time", new Gauge<Long>() {

            @Override
            public Long getValue() {
                return -1L;
            }
        });
    }
}

Example 2 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project opennms by OpenNMS.

the class OSReportPlugin method getEntries.

@Override
public Map<String, Resource> getEntries() {
    final Map<String, Resource> map = new TreeMap<String, Resource>();
    map.put("Name", getResourceFromProperty("os.name"));
    map.put("Architecture", getResourceFromProperty("os.arch"));
    map.put("Version", getResourceFromProperty("os.version"));
    map.put("Distribution", map.get("Name"));
    OperatingSystemMXBean osBean = getBean(ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME, OperatingSystemMXBean.class);
    if (osBean == null) {
        LOG.info("falling back to local VM OperatingSystemMXBean");
        osBean = ManagementFactory.getOperatingSystemMXBean();
    }
    LOG.trace("bean = {}", osBean);
    addGetters(osBean, map);
    File lsb = new File("/bin/lsb_release");
    File solaris = new File("/var/sadm/softinfo/INST_RELEASE");
    if (lsb.exists()) {
        final String text = slurpCommand(new String[] { "/bin/lsb_release", "-a" });
        final Map<String, String> distMap = splitMultilineString(": +", text);
        for (final Map.Entry<String, String> entry : distMap.entrySet()) {
            map.put("Distribution " + entry.getKey(), getResource(entry.getValue()));
        }
    } else if (solaris.exists()) {
        map.put("Distribution OS", getResource("Solaris"));
        final String solarisText = slurp(solaris);
        final Map<String, String> distMap = splitMultilineString("=", solarisText);
        for (final Map.Entry<String, String> entry : distMap.entrySet()) {
            map.put("Distribution " + entry.getKey().toLowerCase().replaceFirst("^.", entry.getKey().substring(0, 1).toUpperCase()), getResource(entry.getValue()));
        }
        if (map.containsKey("Distribution OS")) {
            map.put("Distribution", map.remove("Distribution OS"));
        }
        File isainfo = new File("/usr/bin/isainfo");
        if (isainfo.exists()) {
            final String arch = slurpCommand(new String[] { "/usr/bin/isainfo", "-n" });
            if (arch != null) {
                map.put("Instruction Set", getResource(arch));
            }
        }
    } else {
        for (final Map.Entry<String, String> entry : m_oses.entrySet()) {
            final String description = slurp(new File(entry.getKey()));
            if (description != null) {
                map.put("Distribution", getResource(entry.getValue()));
                map.put("Description", getResource(description.trim()));
            }
        }
    }
    if (map.containsKey("Distribution Distributor ID")) {
        map.put("Distribution", map.remove("Distribution Distributor ID"));
    }
    if (map.containsKey("Distribution Description")) {
        map.put("Description", map.remove("Distribution Description"));
    }
    return map;
}

Example 3 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project jdk8u_jdk by JetBrains.

the class MXBeanInteropTest1 method doOperatingSystemMXBeanTest.

private final int doOperatingSystemMXBeanTest(MBeanServerConnection mbsc) {
    int errorCount = 0;
    System.out.println("---- OperatingSystemMXBean");
    try {
        ObjectName operationName = new ObjectName(ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME);
        MBeanInfo mbInfo = mbsc.getMBeanInfo(operationName);
        errorCount += checkNonEmpty(mbInfo);
        System.out.println("getMBeanInfo\t\t" + mbInfo);
        OperatingSystemMXBean operation = null;
        operation = JMX.newMXBeanProxy(mbsc, operationName, OperatingSystemMXBean.class);
        System.out.println("getArch\t\t" + operation.getArch());
        System.out.println("getAvailableProcessors\t\t" + operation.getAvailableProcessors());
        System.out.println("getName\t\t" + operation.getName());
        System.out.println("getVersion\t\t" + operation.getVersion());
        System.out.println("---- OK\n");
    } catch (Exception e) {
        Utils.printThrowable(e, true);
        errorCount++;
        System.out.println("---- ERROR\n");
    }
    return errorCount;
}

Example 4 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project dubbo by alibaba.

the class LoadStatusChecker method check.

public Status check() {
    OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
    double load;
    try {
        Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage", new Class<?>[0]);
        load = (Double) method.invoke(operatingSystemMXBean, new Object[0]);
    } catch (Throwable e) {
        load = -1;
    }
    int cpu = operatingSystemMXBean.getAvailableProcessors();
    return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), "Load: " + load + " / CPU: " + cpu);
}

Example 5 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project gerrit by GerritCodeReview.

the class GetSummary method getJvmSummary.

private JvmSummaryInfo getJvmSummary() {
    OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
    RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    JvmSummaryInfo jvmSummary = new JvmSummaryInfo();
    jvmSummary.vmVendor = runtimeBean.getVmVendor();
    jvmSummary.vmName = runtimeBean.getVmName();
    jvmSummary.vmVersion = runtimeBean.getVmVersion();
    jvmSummary.osName = osBean.getName();
    jvmSummary.osVersion = osBean.getVersion();
    jvmSummary.osArch = osBean.getArch();
    jvmSummary.user = System.getProperty("user.name");
    try {
        jvmSummary.host = InetAddress.getLocalHost().getHostName();
    } catch (UnknownHostException e) {
    // Ignored
    }
    jvmSummary.currentWorkingDirectory = path(Paths.get(".").toAbsolutePath().getParent());
    jvmSummary.site = path(sitePath);
    return jvmSummary;
}