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

Example 51 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project Mycat-Server by MyCATApache.

the class EnvironmentInformation method getJvmStartupOptionsArray.

/**
	 * 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];
    }
}

Example 52 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project redisson by redisson.

the class RedissonTestRunListener method testRunStarted.

@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();
}

Example 53 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project quasar by puniverse.

the class ProcessUtil method getCurrentPid.

public static int getCurrentPid() {
    try {
        RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
        Field jvmField = runtimeMXBean.getClass().getDeclaredField("jvm");
        jvmField.setAccessible(true);
        VMManagement vmManagement = (VMManagement) jvmField.get(runtimeMXBean);
        Method getProcessIdMethod = vmManagement.getClass().getDeclaredMethod("getProcessId");
        getProcessIdMethod.setAccessible(true);
        return (Integer) getProcessIdMethod.invoke(vmManagement);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 54 with RuntimeMXBean

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

the class ConfigUtils method getPid.

public static int getPid() {
    if (PID < 0) {
        try {
            RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
            // format: "pid@hostname"  
            String name = runtime.getName();
            PID = Integer.parseInt(name.substring(0, name.indexOf('@')));
        } catch (Throwable e) {
            PID = 0;
        }
    }
    return PID;
}

Example 55 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project mc-dev by Bukkit.

the class CrashReportJVMFlags method a.

public String a() {
    RuntimeMXBean runtimemxbean = ManagementFactory.getRuntimeMXBean();
    List list = runtimemxbean.getInputArguments();
    int i = 0;
    StringBuilder stringbuilder = new StringBuilder();
    Iterator iterator = list.iterator();
    while (iterator.hasNext()) {
        String s = (String) iterator.next();
        if (s.startsWith("-X")) {
            if (i++ > 0) {
                stringbuilder.append(" ");
            }
            stringbuilder.append(s);
        }
    }
    return String.format("%d total; %s", new Object[] { Integer.valueOf(i), stringbuilder.toString() });
}