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:gridool.util.system.SystemUtils.java

/** return in nano-seconds */
@Deprecated/*from  ww w.ja v  a 2s .c o m*/
public static long getProcessCpuTime() {
    if (preferSigar) {
        throw new UnsupportedOperationException(
                "SystemUtils#getProcessCpuTime() is not supported when using Hyperic Sigar");
    } else {
        OperatingSystemMXBean mx = ManagementFactory.getOperatingSystemMXBean();
        com.sun.management.OperatingSystemMXBean sunmx = (com.sun.management.OperatingSystemMXBean) mx;
        return sunmx.getProcessCpuTime();
    }
}

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

public static double getCpuLoadAverage() {
    if (preferSigar) {
        final Double cpuload;
        try {/* w  ww.j a va2 s. c  o m*/
            cpuload = (Double) sigarCpuCombinedMtd.invoke(sigarCpuPercMtd.invoke(sigarInstance));
        } catch (Exception e) {
            LogFactory.getLog(SystemUtils.class).error("Failed to obtain CPU load via Hyperic Sigar", e);
            return -1d;
        }
        return cpuload.doubleValue();
    } else if (useSunJdk6) {
        OperatingSystemMXBean mx = ManagementFactory.getOperatingSystemMXBean();
        com.sun.management.OperatingSystemMXBean sunmx = (com.sun.management.OperatingSystemMXBean) mx;
        double d = sunmx.getSystemLoadAverage();
        if (d > 0) {
            return d / NPROCS;
        }
        return d;
    } else {
        return -1d;
    }
}

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From source file:com.searchbox.framework.web.SystemController.java

@ModelAttribute("systemInfo")
private Map<String, Object> getSystemInfo() {
    Map<String, Object> info = new HashMap<String, Object>();
    OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
    info.put("name", os.getName());
    info.put("version", os.getVersion());
    info.put("arch", os.getArch());
    info.put("systemLoadAverage", os.getSystemLoadAverage());

    // com.sun.management.OperatingSystemMXBean
    addGetterIfAvaliable(os, "committedVirtualMemorySize", info);
    addGetterIfAvaliable(os, "freePhysicalMemorySize", info);
    addGetterIfAvaliable(os, "freeSwapSpaceSize", info);
    addGetterIfAvaliable(os, "processCpuTime", info);
    addGetterIfAvaliable(os, "totalPhysicalMemorySize", info);
    addGetterIfAvaliable(os, "totalSwapSpaceSize", info);

    // com.sun.management.UnixOperatingSystemMXBean
    addGetterIfAvaliable(os, "openFileDescriptorCount", info);
    addGetterIfAvaliable(os, "maxFileDescriptorCount", info);

    try {/*from  w  w w.  j  av a 2  s .c o  m*/
        if (!os.getName().toLowerCase(Locale.ROOT).startsWith("windows")) {
            // Try some command line things
            info.put("uname", execute("uname -a"));
            info.put("uptime", execute("uptime"));
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return info;
}

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

/** return in nano-seconds */
@Deprecated/*from  w ww.j  a v  a2  s.  c om*/
public static long getProcessCpuTime() {
    if (preferSigar) {
        throw new UnsupportedOperationException(
                "SystemUtils#getProcessCpuTime() is not supported when using Hyperic Sigar");
    } else if (useSunJdk6) {
        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) */
    }
}

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From source file:it.isislab.dmason.util.SystemManagement.Worker.Updater.java

public static URL getSimulationJar(StartUpData data) {
    setSeparator();/*from   w  w  w  . j ava  2  s.  c  o m*/
    FTPIP = data.getFTPAddress().getIPaddress();
    FTPPORT = data.getFTPAddress().getPort();

    //System.out.println("FTP IP: "+FTPIP+"FTP PORT: "+FTPPORT);

    downloadJar(data.getJarName(), "sim");

    File f = new File(DOWNLOADED_JAR_PATH + SEPARATOR + data.getJarName());

    //System.out.println("file:"+File.separator+f.getAbsolutePath());
    URL url = null;
    try {
        OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();

        if (os.getName().contains("Linux") || os.getName().contains("OSX"))
            url = new URL("file:" + File.separator + File.separator + f.getAbsolutePath());
        else
            url = new URL("file:" + File.separator + f.getAbsolutePath());

    } catch (MalformedURLException e) {
        System.out.println("Invalid URL: ");
    }
    return url;

}

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From source file:net.bull.javamelody.internal.model.JavaInformations.java

private static long buildProcessCpuTimeMillis() {
    final OperatingSystemMXBean operatingSystem = ManagementFactory.getOperatingSystemMXBean();
    if (isSunOsMBean(operatingSystem)) {
        // nano-secondes converties en milli-secondes
        return MemoryInformations.getLongFromOperatingSystem(operatingSystem, "getProcessCpuTime") / 1000000;
    }//from w w w. ja v a  2s.c o m
    return -1;
}

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From source file:com.ethercamp.harmony.service.BlockchainInfoService.java

@Scheduled(fixedRate = 5000)
private void doUpdateMachineInfoStatus() {
    final OperatingSystemMXBean bean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();

    machineInfo.set(new MachineInfoDTO(((Double) (bean.getSystemCpuLoad() * 100)).intValue(),
            bean.getFreePhysicalMemorySize(), bean.getTotalPhysicalMemorySize(), getFreeDiskSpace()));

    clientMessageService.sendToTopic("/topic/machineInfo", machineInfo.get());
}

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From source file:net.bull.javamelody.internal.model.JavaInformations.java

private static long buildOpenFileDescriptorCount() {
    final OperatingSystemMXBean operatingSystem = ManagementFactory.getOperatingSystemMXBean();
    if (isSunOsMBean(operatingSystem) && isSunUnixMBean(operatingSystem)) {
        try {// w w  w.  jav  a  2 s  .  com
            return MemoryInformations.getLongFromOperatingSystem(operatingSystem, "getOpenFileDescriptorCount");
        } catch (final Error e) {
            // pour issue 16 (using jsvc on ubuntu or debian)
            return -1;
        }
    }
    return -1;
}

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From source file:it.isislab.dmason.util.SystemManagement.Worker.Updater.java

private static void setSeparator() {
    OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();

    if (os.getName().contains("Windows"))
        SEPARATOR = "\\";
    if (os.getName().contains("Linux") || os.getName().contains("OS X"))
        SEPARATOR = "/";
}

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From source file:com.eurelis.opencms.admin.systeminformation.CmsSystemInformationOverviewDialog.java

/**
 * Initializes the infos object.<p>
 *///from www  .j av  a 2  s  .  c o  m
protected void initInfosObject() {

    com.sun.management.OperatingSystemMXBean sunOsBean = (com.sun.management.OperatingSystemMXBean) ManagementFactory
            .getOperatingSystemMXBean();
    java.lang.management.OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
    java.lang.management.ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
    java.lang.management.RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    java.lang.management.ClassLoadingMXBean classesBean = ManagementFactory.getClassLoadingMXBean();

    //JVM uptime
    Date date = new Date(runtimeBean.getUptime());
    java.text.SimpleDateFormat simpleFormatH = new java.text.SimpleDateFormat("HH");
    java.text.SimpleDateFormat simpleFormatM = new java.text.SimpleDateFormat("mm");
    java.text.SimpleDateFormat simpleFormatS = new java.text.SimpleDateFormat("ss");
    String jvmuptimestring = simpleFormatH.format(date) + "h " + simpleFormatM.format(date) + "min "
            + simpleFormatS.format(date) + "s ";

    //JVM start time
    date = new Date(runtimeBean.getStartTime());
    String jvmstarttimestring = simpleFormatH.format(date) + "h " + simpleFormatM.format(date) + "min "
            + simpleFormatS.format(date) + "s ";

    //OpenCms runtime
    date = new Date(OpenCms.getSystemInfo().getRuntime());
    String opencmsruntimestring = simpleFormatH.format(date) + "h " + simpleFormatM.format(date) + "min "
            + simpleFormatS.format(date) + "s ";

    //OpenCms startup time
    date = new Date(OpenCms.getSystemInfo().getStartupTime());
    String opencmsstartuptimestring = simpleFormatH.format(date) + "h " + simpleFormatM.format(date) + "min "
            + simpleFormatS.format(date) + "s ";

    setOperatingSystem("" + osBean.getName());
    setJavaVersion(System.getProperty("java.version"));
    setJvmUptime("" + jvmuptimestring);
    setJvmStarttime("" + jvmstarttimestring);
    setOpenCmsVersion(OpenCms.getSystemInfo().getVersionNumber());
    setOpenCmsRuntime("" + opencmsruntimestring);
    setOpenCmsStartupTime("" + opencmsstartuptimestring);

    Object o;
    if (CmsStringUtil.isEmpty(getParamAction())) {
        o = new CmsAdminSettings(getSession());
    } else {
        // this is not the initial call, get the job object from session
        o = getDialogObject();
    }
    if (!(o instanceof CmsAdminSettings)) {
        // create a new history settings handler object
        m_adminSettings = new CmsAdminSettings(getSession());
    } else {
        // reuse html import handler object stored in session
        m_adminSettings = (CmsAdminSettings) o;
    }

}

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