Example usage for java.lang.management ManagementFactory getOperatingSystemMXBean

Introduction

In this page you can find the example usage for java.lang.management ManagementFactory getOperatingSystemMXBean.

Prototype

public static OperatingSystemMXBean getOperatingSystemMXBean()

Source Link

Document

Returns the managed bean for the operating system on which the Java virtual machine is running.

Usage

From source file:org.apache.stratos.load.balance.agent.LoadBalanceAgentService.java

/**
 * gets the load average of the system/* w ww .  jav a 2 s  .  c  om*/
 *
 * @return load average. Returns zero if the load average couldn't be read.
 * Zero is treated as load-average not read, in the relevant places and ignored in the
 * load balancer and autoscalar algorithms appropriately.
 */
public double getLoadAverage() {
    double systemLoadAverage = 0;
    try {
        systemLoadAverage = ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage();
    } catch (Exception e) {
        if (log.isDebugEnabled()) {
            log.debug("Error in retrieving the load average of the instance");
        }
    }
    return systemLoadAverage;
}

From source file:ee.ria.xroad.common.util.SystemMetrics.java

/**
 * Initializes system metrics internals.
 *///from   w w  w . j a  v a  2 s  .co  m
public static void init() {
    OperatingSystemMXBean osStatsBean = ManagementFactory.getOperatingSystemMXBean();
    if (osStatsBean instanceof UnixOperatingSystemMXBean) {
        stats = ((UnixOperatingSystemMXBean) osStatsBean);
    } else {
        throw new RuntimeException("Unexpected OperatingSystemMXBean " + osStatsBean);
    }
    memoryStats = ManagementFactory.getMemoryMXBean();
}

From source file:com.thoughtworks.go.server.service.support.ServerRuntimeInformationProvider.java

@Override
public void appendInformation(InformationStringBuilder infoCollector) {
    osInfo(ManagementFactory.getOperatingSystemMXBean(), infoCollector);
    runtimeInfo(ManagementFactory.getRuntimeMXBean(), infoCollector);
    gcInfo(ManagementFactory.getGarbageCollectorMXBeans(), infoCollector);
    memoryInfo(ManagementFactory.getMemoryMXBean(), infoCollector);
    poolInfo(infoCollector);//w ww  .  jav a 2 s .  co  m
    threadInfo(ManagementFactory.getThreadMXBean(), infoCollector);
}

From source file:com.ery.ertc.estorm.util.JVM.java

/**
 * Constructor. Get the running Operating System instance
 */
public JVM() {
    this.osMbean = ManagementFactory.getOperatingSystemMXBean();
}

From source file:test.Test_db.java

public void awd() {

    OperatingSystemMXBean bean = ManagementFactory.getOperatingSystemMXBean();
    System.out.println(bean.getSystemLoadAverage());

}

From source file:com.netflix.genie.web.health.GenieCpuHealthIndicator.java

/**
 * Constructor./*from   ww w  .  j  a v a  2s  .c  om*/
 *
 * @param healthProperties The maximum physical memory threshold
 * @param registry         Registry
 * @param taskScheduler    task scheduler
 */
@Autowired
public GenieCpuHealthIndicator(@NotNull final HealthProperties healthProperties,
        @NotNull final Registry registry, @NotNull final TaskScheduler taskScheduler) {
    this(healthProperties.getMaxCpuLoadPercent(), healthProperties.getMaxCpuLoadConsecutiveOccurrences(),
            (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean(),
            new BasicDistributionSummary(MonitorConfig.builder("genie.cpuLoad").build()), taskScheduler);
}

From source file:functionaltests.policy.ram.TestRamPolicy.java

public String getHalfLocalRam() {
    long memorySize = ((com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean())
            .getTotalPhysicalMemorySize();

    return FileUtils.byteCountToDisplaySize(memorySize / 2).replaceAll(" GB", "");

}

From source file:uk.ac.sanger.cgp.wwdocker.beans.WorkerResources.java

public void init() {
    OperatingSystemMXBean osmxb = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
    if (availableProcessors == -1) {
        base_init(osmxb);//from w w w  .j av  a  2  s  .  c om
    }
    sysLoadAvg = osmxb.getSystemLoadAverage();
    freeMemBytes = osmxb.getFreePhysicalMemorySize();
}

From source file:com.snowstore.mercury.core.metric.SystemPublicMetrics.java

/**
 * Add metrics from ManagementFactory if possible. Note that
 * ManagementFactory is not available on Google App Engine.
 *///  w ww . ja v a2  s.co m
private void addManagementMetrics(Collection<Metric<?>> result) {
    try {
        // Add JVM up time in ms
        result.add(new Metric<Long>("uptime", ManagementFactory.getRuntimeMXBean().getUptime()));
        result.add(new Metric<Double>("systemload.average",
                ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage()));
        addHeapMetrics(result);
        addNoHeapMetrics(result);
        addThreadMetrics(result);
        addClassLoadingMetrics(result);
        addGarbageCollectionMetrics(result);
    } catch (NoClassDefFoundError ex) {
        // Expected on Google App Engine
    }
}

From source file:xbird.util.system.SystemUtils.java

private static void initializeSunJdk() {
    boolean useSunMx = false;
    if (IS_SUN_VM) {
        OperatingSystemMXBean mx = ManagementFactory.getOperatingSystemMXBean();
        com.sun.management.OperatingSystemMXBean sunmx = (com.sun.management.OperatingSystemMXBean) mx;
        long testval = sunmx.getProcessCpuTime();
        if (testval != -1L) {
            useSunMx = true;//from w ww .j ava2s.c om
        }
    }
    if (!useSunMx) {
        if (System.getProperty("xbird.use_jni") != null) {
            throw new IllegalStateException("Please set `xbird.use_jni' system property");
        }
        try {
            System.loadLibrary("xbird_util_lang_SystemUtils");
        } catch (UnsatisfiedLinkError le) {
            LogFactory.getLog(SystemUtils.class).warn(
                    "Performance monitoring is not supported for this JVM. Please ensure that 'xbird.profiling' property is not enabled in your 'xbird.properties'");
        }
    }
    useSunJdk6 = useSunMx;
}