Java 类java.lang.management.RuntimeMXBean 实例源码

项目：sstable-adaptor 文件：HeapUtils.java

/**
 * Retrieves the value of the <code>HeapDumpPath</code> JVM option.
 * @return the value of the <code>HeapDumpPath</code> JVM option or <code>null</code> if the value has not been
 * specified.
 */
private static String getHeapDumpPathOption()
{
    RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
    List<String> inputArguments = runtimeMxBean.getInputArguments();
    String heapDumpPathOption = null;
    for (String argument : inputArguments)
    {
        if (argument.startsWith("-XX:HeapDumpPath="))
        {
            heapDumpPathOption = argument;
            // We do not break in case the option has been specified several times.
            // In general it seems that JVMs use the right-most argument as the winner.
        }
    }

    if (heapDumpPathOption == null)
        return null;

    return heapDumpPathOption.substring(17, heapDumpPathOption.length());
}

项目：cdep 文件：CDep.java

private boolean handleStartupInfo(@NotNull List<String> args) {
  if (args.size() > 0 && "startup-info".equals(args.get(0))) {
    String jvmLocation = API.getJvmLocation();
    infoln("%s", jvmLocation);
    RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
    List<String> jvmArgs = bean.getInputArguments();

    for (String jvmArg : jvmArgs) {
      infoln(jvmArg);
    }
    infoln("-classpath " + System.getProperty("java.class.path"));
    // print the non-JVM command line arguments
    // print name of the main class with its arguments, like org.ClassName param1 param2
    infoln(System.getProperty("sun.java.command"));
    return true;
  }
  return false;
}

项目：incubator-netbeans 文件：InternalSampler.java

private static synchronized boolean isDebugged() {
    if (debugMode == null) {
        debugMode = Boolean.FALSE;

        // check if we are debugged
        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        List<String> args = runtime.getInputArguments();
        if (args.contains(X_DEBUG_ARG)) {
            debugMode = Boolean.TRUE;
        } else if (args.contains(JDWP_DEBUG_ARG)) {
            debugMode = Boolean.TRUE;
        } else {
            for (String arg : args) {
                if (arg.startsWith(JDWP_DEBUG_ARG_PREFIX)) {
                    debugMode = Boolean.TRUE;
                    break;
                }
            }
        }
    }
    return debugMode.booleanValue();
}

项目：incubator-netbeans 文件：MiscUtils.java

private static boolean checkIfDebugged() {
    try {
        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        List<String> args = runtime.getInputArguments();
        for (String arg : args) {
            if ("-Xdebug".equals(arg)) { // NOI18N
                return true;                        
            } else if ("-agentlib:jdwp".equals(arg)) { // NOI18N
                // The idea of checking -agentlib:jdwp 
                // is taken from org.netbeans.modules.sampler.InternalSampler
                return true;
            } else if (arg.startsWith("-agentlib:jdwp=")) { // NOI18N
                return true;
            }
        }
    } catch (SecurityException ex) {                
    }
    return false;
}

项目：JRediClients 文件：RedissonTestRunListener.java

@Override
public void testRunStarted(Description description) throws Exception {
    super.testRunStarted(description);
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        running.set(Boolean.FALSE);
    }));
    new Thread(() -> {
        final RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
        final AtomicLong u = new AtomicLong(runtimeBean.getUptime());
        while (running.get()) {
            try {
                long upTime = runtimeBean.getUptime();
                if (upTime >= u.get() + 10000) {
                    u.set(upTime);
                    System.out.printf("Test Up Time    = %.3f (s)%n", upTime / 1000d);
                    System.out.printf("Heap Usage      = %.3f (MB)%n", ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().getUsed() / 1024d / 1024d);
                    System.out.printf("None Heap Usage = %.3f (MB)%n", ManagementFactory.getMemoryMXBean().getNonHeapMemoryUsage().getUsed() / 1024d / 1024d);
                    System.out.println("=============================");
                }
                Thread.currentThread().sleep(10000l);
            } catch (InterruptedException ex) {
                Logger.getLogger(RedissonTestRunListener.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }).start();
}

项目：chimera 文件：SysDeployer.java

public void start() throws Exception
{
    ConfigurableEnvironment ce = (ConfigurableEnvironment) applicationContext.getEnvironment();
    RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    String jvmName = runtimeBean.getName();
    long pid = Long.valueOf(jvmName.split("@")[0]);

    final File tmpDir = new File(".", ".tmp_" + pid);
    if (tmpDir.exists())
    {
        deleteRecursive(tmpDir);
    }

    //noinspection ResultOfMethodCallIgnored
    tmpDir.mkdir();

    Runtime.getRuntime().addShutdownHook(new Thread(this::stop));

    baseDir = tmpDir.getAbsolutePath();
    PropertyResolver resolver = new SpringPropertyResolver(ce);
    resolver.initialize();

    deployer = ResourceDeployer.newInstance(resolver, tmpDir);
    deployer.installRuntimeResources();
    deployer.startConfigMonitoring();
}

项目：cornerstone 文件：AppInfo.java

@Override
public void refresh() {
    if(HostInfo.isTomcat()){
        webInfo = "view";
    }
    RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    upTime = runtimeBean.getUptime();
    EnApp enApp = EnFactory.getEnApp();
    enApp.refresh();
    appid = nullToNA(EnFactory.getEnBase().getAppId());
    appName = nullToNA(enApp.getName());
    appChineseName = nullToNA(enApp.getChineseName());
    appOwner = nullToNA(enApp.getOwner());
    appOwnerEmail = nullToNA(enApp.getOwnerContact());
    appBackup = nullToNA(enApp.getBackup());
    appVersion = nullToNA(enApp.getVersion());
    buildTime = nullToNA(enApp.getBuildTime());
    getStatus();
}

项目：mycat-src-1.6.1-RELEASE 文件：EnvironmentInformation.java

/**
 * Gets the system parameters and environment parameters that were passed to the JVM on startup.
 *
 * @return The options passed to the JVM on startup.
 */
public static String getJvmStartupOptions() {
    try {
        final RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
        final StringBuilder bld = new StringBuilder();

        for (String s : bean.getInputArguments()) {
            bld.append(s).append(' ');
        }

        return bld.toString();
    }
    catch (Throwable t) {
        return UNKNOWN;
    }
}

项目：log4j-aws-appenders 文件：Substitutions.java

public Substitutions(Date currentDate, int sequence)
{
    RuntimeMXBean runtimeMx = ManagementFactory.getRuntimeMXBean();
    String vmName = runtimeMx.getName();

    pid = (vmName.indexOf('@') > 0)
        ? vmName.substring(0, vmName.indexOf('@'))
        : "unknown";

    hostname = (vmName.indexOf('@') > 0)
             ? vmName.substring(vmName.indexOf('@') + 1, vmName.length())
             : "unknown";

    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
    dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
    date = dateFormat.format(currentDate);

    SimpleDateFormat timestampFormat = new SimpleDateFormat("yyyyMMddHHmmss");
    timestampFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
    timestamp = timestampFormat.format(currentDate);
    hourlyTimestamp = timestamp.substring(0, 10) + "0000";  // yeah, it's a hack
    startupTimestamp = timestampFormat.format(new Date(runtimeMx.getStartTime()));

    this.sequence = String.valueOf(sequence);
}

项目：DecompiledMinecraft 文件：PlayerUsageSnooper.java

private void addJvmArgsToSnooper()
{
    RuntimeMXBean runtimemxbean = ManagementFactory.getRuntimeMXBean();
    List<String> list = runtimemxbean.getInputArguments();
    int i = 0;

    for (String s : list)
    {
        if (s.startsWith("-X"))
        {
            this.addClientStat("jvm_arg[" + i++ + "]", s);
        }
    }

    this.addClientStat("jvm_args", Integer.valueOf(i));
}

项目：DecompiledMinecraft 文件：PlayerUsageSnooper.java

private void addJvmArgsToSnooper()
{
    RuntimeMXBean runtimemxbean = ManagementFactory.getRuntimeMXBean();
    List<String> list = runtimemxbean.getInputArguments();
    int i = 0;

    for (String s : list)
    {
        if (s.startsWith("-X"))
        {
            this.addClientStat("jvm_arg[" + i++ + "]", s);
        }
    }

    this.addClientStat("jvm_args", Integer.valueOf(i));
}

项目：flume-release-1.7.0 文件：DirectMemoryUtils.java

public static long getDirectMemorySize() {
  RuntimeMXBean RuntimemxBean = ManagementFactory.getRuntimeMXBean();
  List<String> arguments = Lists.reverse(RuntimemxBean.getInputArguments());
  long multiplier = 1; //for the byte case.
  for (String s : arguments) {
    if (s.contains(MAX_DIRECT_MEMORY_PARAM)) {
      String memSize = s.toLowerCase(Locale.ENGLISH)
          .replace(MAX_DIRECT_MEMORY_PARAM.toLowerCase(Locale.ENGLISH), "").trim();

      if (memSize.contains("k")) {
        multiplier = 1024;
      } else if (memSize.contains("m")) {
        multiplier = 1048576;
      } else if (memSize.contains("g")) {
        multiplier = 1073741824;
      }
      memSize = memSize.replaceAll("[^\\d]", "");
      long retValue = Long.parseLong(memSize);
      return retValue * multiplier;
    }
  }
  return DEFAULT_SIZE;
}

项目：hawkular-java-toolbox 文件：CPUMonitoring.java

private Optional<Double> reportCPU(OperatingSystemMXBean operatingSystemMXBean, RuntimeMXBean runtimeMXBean) {
    int availableProcessors = divideByNbCores ? operatingSystemMXBean.getAvailableProcessors() : 1;
    long upTime = runtimeMXBean.getUptime();
    long processCpuTime = operatingSystemMXBean.getProcessCpuTime();

    if (lastMeasures == null
            || lastMeasures.availableProcessors != availableProcessors
            || lastMeasures.processCpuTime < 0) {
        lastMeasures = new Measures(availableProcessors, upTime, processCpuTime);
        return Optional.empty();
    }

    long elapsedCpu = processCpuTime - lastMeasures.processCpuTime;
    long elapsedTime = upTime - lastMeasures.upTime;
    lastMeasures = new Measures(availableProcessors, upTime, processCpuTime);

    return Optional.of(Math.min(99D, elapsedCpu / (elapsedTime * 10000D * availableProcessors)));
}

项目：validator-web 文件：FileJavaScriptHandler.java

@Override
protected long getLastModifiedTime() {
    try {
        URL url = ResourceUtils.getResourceAsUrl(resource);
        if ("file".equals(url.getProtocol())) {
            File file = new File(url.getFile());
            return file.lastModified();
        }
    } catch (IOException ex) {
        // ignore
    }
    RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
    long startTime = runtimeMXBean.getStartTime();
    // Container start time (browsers are only accurate to the second)
    return startTime - (startTime % 1000);
}

项目：BaseClient 文件：PlayerUsageSnooper.java

private void addJvmArgsToSnooper()
{
    RuntimeMXBean runtimemxbean = ManagementFactory.getRuntimeMXBean();
    List<String> list = runtimemxbean.getInputArguments();
    int i = 0;

    for (String s : list)
    {
        if (s.startsWith("-X"))
        {
            this.addClientStat("jvm_arg[" + i++ + "]", s);
        }
    }

    this.addClientStat("jvm_args", Integer.valueOf(i));
}

项目：traccar-service 文件：Log.java

public static void logSystemInfo() {
    try {
        OperatingSystemMXBean operatingSystemBean = ManagementFactory.getOperatingSystemMXBean();
        Log.info("Operating system"
                + " name: " + operatingSystemBean.getName()
                + " version: " + operatingSystemBean.getVersion()
                + " architecture: " + operatingSystemBean.getArch());

        RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
        Log.info("Java runtime"
                + " name: " + runtimeBean.getVmName()
                + " vendor: " + runtimeBean.getVmVendor()
                + " version: " + runtimeBean.getVmVersion());

        MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
        Log.info("Memory limit"
                + " heap: " + memoryBean.getHeapMemoryUsage().getMax() / (1024 * 1024) + "mb"
                + " non-heap: " + memoryBean.getNonHeapMemoryUsage().getMax() / (1024 * 1024) + "mb");

        Log.info("Character encoding: "
                + System.getProperty("file.encoding") + " charset: " + Charset.defaultCharset());

    } catch (Exception error) {
        Log.warning("Failed to get system info");
    }
}

项目：OpenJSharp 文件：JdpController.java

private static Integer getProcessId() {
    try {
        // Get the current process id using a reflection hack
        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        Field jvm = runtime.getClass().getDeclaredField("jvm");
        jvm.setAccessible(true);

        VMManagement mgmt = (sun.management.VMManagement) jvm.get(runtime);
        Method pid_method = mgmt.getClass().getDeclaredMethod("getProcessId");
        pid_method.setAccessible(true);
        Integer pid = (Integer) pid_method.invoke(mgmt);
        return pid;
    } catch(Exception ex) {
        return null;
    }
}

项目：monarch 文件：ProcessManager.java

/**
 * Get the java agent passed to this process and pass it to the child VMs.
 * This was added to support jacoco code coverage reports
 */
private String getAgentString() {
  RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
  if (runtimeBean != null) {
    for(String arg: runtimeBean.getInputArguments()) {
      if(arg.contains("-javaagent:")) {
        //HACK for gradle bug  GRADLE-2859. Jacoco is passing a relative path
        //That won't work when we pass this to dunit VMs in a different
        //directory
        arg = arg.replace("-javaagent:..", "-javaagent:" + System.getProperty("user.dir") + File.separator + "src/main");
        arg = arg.replace("destfile=..", "destfile=" + System.getProperty("user.dir") + File.separator + "src/main");
        return arg;
      }
    }
  }

  return "-DdummyArg=true";
}

项目：monarch 文件：LocatorStatusResponse.java

public LocatorStatusResponse initialize(final int locatorPort, final String locatorHost,
    final String locatorLogFile, final String locatorName) {
  final RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
  this.pid = identifyPid();
  this.jvmArgs = runtimeBean.getInputArguments();
  this.uptime = runtimeBean.getUptime();
  this.classpath = runtimeBean.getClassPath();
  this.gemfireVersion = GemFireVersion.getGemFireVersion();
  this.javaVersion = System.getProperty("java.version");
  this.workingDirectory = System.getProperty("user.dir");
  this.logFile = locatorLogFile;
  this.host = locatorHost;
  this.port = locatorPort;
  this.name = locatorName;
  return this;
}

项目：dice 文件：PersonalizationSource.java

private byte[] runtimeData() throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
    final Runtime rt = Runtime.getRuntime();

    bos.write(runtimeMXBean.getName().getBytes(StandardCharsets.UTF_8));
    bos.write(runtimeMXBean.getVmName().getBytes(StandardCharsets.UTF_8));
    bos.write(runtimeMXBean.getVmVendor().getBytes(StandardCharsets.UTF_8));
    bos.write(runtimeMXBean.getVmVersion().getBytes(StandardCharsets.UTF_8));
    bos.write(runtimeMXBean.getClassPath().getBytes(StandardCharsets.UTF_8));
    bos.write(ByteBuffer.allocate(Long.BYTES).putLong(runtimeMXBean.getStartTime()).array());

    bos.write(ByteBuffer.allocate(Long.BYTES).putLong(rt.totalMemory()).array());
    bos.write(ByteBuffer.allocate(Long.BYTES).putLong(rt.freeMemory()).array());

    return bos.toByteArray();
}

项目：avaire 文件：StatsCommand.java

private String applicationUptime() {
    RuntimeMXBean rb = ManagementFactory.getRuntimeMXBean();
    long seconds = rb.getUptime() / 1000;
    long d = (long) Math.floor(seconds / 86400);
    long h = (long) Math.floor((seconds % 86400) / 3600);
    long m = (long) Math.floor(((seconds % 86400) % 3600) / 60);
    long s = (long) Math.floor(((seconds % 86400) % 3600) % 60);

    if (d > 0) {
        return String.format("%sd %sh %sm %ss", d, h, m, s);
    }

    if (h > 0) {
        return String.format("%sh %sm %ss", h, m, s);
    }

    if (m > 0) {
        return String.format("%sm %ss", m, s);
    }
    return String.format("%ss", s);
}

项目：jdk8u-jdk 文件：JdpController.java

private static Integer getProcessId() {
    try {
        // Get the current process id using a reflection hack
        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        Field jvm = runtime.getClass().getDeclaredField("jvm");
        jvm.setAccessible(true);

        VMManagement mgmt = (sun.management.VMManagement) jvm.get(runtime);
        Method pid_method = mgmt.getClass().getDeclaredMethod("getProcessId");
        pid_method.setAccessible(true);
        Integer pid = (Integer) pid_method.invoke(mgmt);
        return pid;
    } catch(Exception ex) {
        return null;
    }
}

项目：jdk8u-jdk 文件：TestManager.java

private static void connect(String pid, String address) throws Exception {
    if (address == null) {
        throw new RuntimeException("Local connector address for " +
                                   pid + " is null");
    }

    System.out.println("Connect to process " + pid + " via: " + address);

    JMXServiceURL url = new JMXServiceURL(address);
    JMXConnector c = JMXConnectorFactory.connect(url);
    MBeanServerConnection server = c.getMBeanServerConnection();

    System.out.println("Connected.");

    RuntimeMXBean rt = newPlatformMXBeanProxy(server,
        RUNTIME_MXBEAN_NAME, RuntimeMXBean.class);
    System.out.println(rt.getName());

    // close the connection
    c.close();
}

项目：uavstack 文件：JVMToolHelper.java

/**
 * obtain current process cpu utilization if jdk version is 1.6 by-hongqiangwei
 */
@SuppressWarnings("restriction")
public static double getProcessCpuUtilization() {

    com.sun.management.OperatingSystemMXBean osMBean = (com.sun.management.OperatingSystemMXBean) ManagementFactory
            .getOperatingSystemMXBean();
    RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();

    long processCpuTime1 = osMBean.getProcessCpuTime();
    long runtime1 = runtimeMXBean.getUptime();

    ThreadHelper.suspend(50);

    long processCpuTime2 = osMBean.getProcessCpuTime();
    long runtime2 = runtimeMXBean.getUptime();

    long deltaProcessTime = processCpuTime2 - processCpuTime1;
    long deltaRunTime = (runtime2 - runtime1) * 1000000L;
    int cpuNumber = Runtime.getRuntime().availableProcessors();
    double cpuUtilization = (double) deltaProcessTime / (deltaRunTime * cpuNumber);

    return cpuUtilization;
}

项目：openjdk-jdk10 文件：TestManager.java

private static void connect(String pid, String address) throws Exception {
    if (address == null) {
        throw new RuntimeException("Local connector address for " +
                                   pid + " is null");
    }

    System.out.println("Connect to process " + pid + " via: " + address);

    JMXServiceURL url = new JMXServiceURL(address);
    JMXConnector c = JMXConnectorFactory.connect(url);
    MBeanServerConnection server = c.getMBeanServerConnection();

    System.out.println("Connected.");

    RuntimeMXBean rt = newPlatformMXBeanProxy(server,
        RUNTIME_MXBEAN_NAME, RuntimeMXBean.class);
    System.out.println(rt.getName());

    // close the connection
    c.close();
}

项目：Backmemed 文件：Snooper.java

private void addJvmArgsToSnooper()
{
    RuntimeMXBean runtimemxbean = ManagementFactory.getRuntimeMXBean();
    List<String> list = runtimemxbean.getInputArguments();
    int i = 0;

    for (String s : list)
    {
        if (s.startsWith("-X"))
        {
            this.addClientStat("jvm_arg[" + i++ + "]", s);
        }
    }

    this.addClientStat("jvm_args", Integer.valueOf(i));
}

项目：swage 文件：RuntimeSensor.java

@Override
public void sense(final MetricRecorder.Context metricContext)
{
    RuntimeMXBean mxBean = ManagementFactory.getRuntimeMXBean();

    metricContext.record(UPTIME, mxBean.getUptime(), Unit.MILLISECOND);
}

项目：incubator-netbeans 文件：Installer.java

static File getHeapDump() {
    String heapDumpPath = null;
    RuntimeMXBean RuntimemxBean = ManagementFactory.getRuntimeMXBean();
    List<String> lst = RuntimemxBean.getInputArguments();
    for (String arg : lst) {
        if (arg.contains("XX:HeapDumpPath")){
            int index = arg.indexOf('=');
            heapDumpPath = arg.substring(index+1);
        }
    }

    if (heapDumpPath == null){
        LOG.info("XX:HeapDumpPath parametter not specified");
        return null;
    }
    File heapDumpFile = new File(heapDumpPath);
    if (heapDumpFile.exists() && heapDumpFile.canRead() && heapDumpFile.length() > 0) {
        return heapDumpFile;
    }
    LOG.log(Level.INFO, "heap dump was not created at {0}", heapDumpPath);
    LOG.log(Level.INFO, "heapdump file: exists():{0}, canRead():{1}, length:{2}",new Object[] 
            {heapDumpFile.exists(), heapDumpFile.canRead(), heapDumpFile.length()});
    // no heap dump file found - this can happen in case of OOME: unable to create new native thread
    // try to create heap dump 
    dumpHeap(heapDumpFile.getAbsolutePath());
    if (heapDumpFile.exists() && heapDumpFile.canRead() && heapDumpFile.length() > 0) {
        return heapDumpFile;
    }        
    LOG.log(Level.INFO, "heap dump failed for {0}", heapDumpPath);
    return null;
}

项目：marathonv5 文件：JavaServer.java

public JSONObject getInfo(JSONObject query, JSONObject uriParams) {
    JSONObject v = new JSONObject();
    RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
    v.put("boot-class-path", bean.getBootClassPath());
    v.put("start-time", bean.getStartTime());
    v.put("commandline", System.getProperty("sun.java.command"));
    return v;
}

项目：marathonv5 文件：JavaServer.java

public JSONObject getInfo(JSONObject query, JSONObject uriParams) {
    JSONObject v = new JSONObject();
    RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
    v.put("boot-class-path", bean.getBootClassPath());
    v.put("start-time", bean.getStartTime());
    v.put("commandline", System.getProperty("sun.java.command"));
    return v;
}

项目：opencron 文件：Bootstrap.java

private static Integer getPid() {
    RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
    String name = runtime.getName();
    try {
        return Integer.parseInt(name.substring(0, name.indexOf('@')));
    } catch (Exception e) {
    }
    return -1;
}

项目：mycat-src-1.6.1-RELEASE 文件：EnvironmentInformation.java

/**
 * Gets the version of the JVM in the form "VM_Name - Vendor  - Spec/Version".
 *
 * @return The JVM version.
 */
public static String getJvmVersion() {
    try {
        final RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
        return bean.getVmName() + " - " + bean.getVmVendor() + " - " + bean.getSpecVersion() + '/' + bean.getVmVersion();
    }
    catch (Throwable t) {
        return UNKNOWN;
    }
}

项目：mycat-src-1.6.1-RELEASE 文件：EnvironmentInformation.java

/**
 * Gets the system parameters and environment parameters that were passed to the JVM on startup.
 *
 * @return The options passed to the JVM on startup.
 */
public static String[] getJvmStartupOptionsArray() {
    try {
        RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
        List<String> options = bean.getInputArguments();
        return options.toArray(new String[options.size()]);
    }
    catch (Throwable t) {
        return new String[0];
    }
}

项目：cljbuck 文件：Event.java

public static JsonKeyPair uptime() {
    final RuntimeMXBean mgmt = ManagementFactory.getRuntimeMXBean();
    return jsonPair()
            .add(NAME, "java -jar")
            .add(TIMESTAMP, mgmt.getStartTime() * 1000)
            .add(EVENT_TYPE, COMPLETE)
            .add(THREAD_ID, Thread.currentThread().getId())
            .add(DURATION, mgmt.getUptime() * 1000)
            .add(PROCESS_ID, 0);
}

项目：ditb 文件：ServerCommandLine.java

/**
 * Log information about the currently running JVM.
 */
public static void logJVMInfo() {
  // Print out vm stats before starting up.
  RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
  if (runtime != null) {
    LOG.info("vmName=" + runtime.getVmName() + ", vmVendor=" +
             runtime.getVmVendor() + ", vmVersion=" + runtime.getVmVersion());
    LOG.info("vmInputArguments=" + runtime.getInputArguments());
  }
}

项目：java-memory-assistant 文件：MBeanMonitor.java

JavaVirtualMachine findCurrentJvm()
    throws JavaVirtualMachine.UnsupportedJavaVirtualMachineException {
  final RuntimeMXBean runtimeBean = getRuntimeMxBean();
  final String specVendor = runtimeBean.getSpecVendor();
  final String specVersion = runtimeBean.getSpecVersion();
  final String vmVendor = runtimeBean.getVmVendor();
  final String vmVersion = runtimeBean.getVmVersion();

  logger.debug("JVM spec vendor: '%s'; spec version: '%s'; vm vendor: '%s'; vm version: '%s'",
      specVendor, specVersion, vmVendor, vmVersion);

  return JavaVirtualMachine.Supported.find(vmVendor, specVersion);
}

项目：log4j-aws-appenders 文件：TestSubstitutions.java

@Test
public void testStartupTimestamp() throws Exception
{
    Substitutions subs = new Substitutions(TEST_DATE, 0);

    SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
    formatter.setTimeZone(TimeZone.getTimeZone("UTC"));

    RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
    String expected = formatter.format(new Date(runtimeMxBean.getStartTime()));

    assertEquals(expected, subs.perform("{startupTimestamp}"));
}