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

Example 21 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project Gargoyle by callakrsos.

the class CPUUsageTest method showCPU.

/*
	 * cpu 사용량
	 */
public static void showCPU() {
    OperatingSystemMXBean osbean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
    RuntimeMXBean runbean = ManagementFactory.getRuntimeMXBean();
    long bfprocesstime = osbean.getProcessCpuTime();
    long bfuptime = runbean.getUptime();
    long ncpus = osbean.getAvailableProcessors();
    //		for (int i = 0; i < 1000000; ++i) {
    //			ncpus = osbean.getAvailableProcessors();
    //		}
    long afprocesstime = osbean.getProcessCpuTime();
    long afuptime = runbean.getUptime();
    float cal = (afprocesstime - bfprocesstime) / ((afuptime - bfuptime) * 10000f);
    float usage = Math.min(99f, cal);
    System.out.println("Calculation: " + cal);
    System.out.println("CPU Usage: " + usage);
}

Example 22 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project searchcode-server by boyter.

the class StatsService method getUptime.

/**
     * Returns how long the application has been up in seconds, minutes or hours using larger
     * time units where appropriate
     * TODO add in larger time units such as days
     * TODO change to display something such as 3 days 4 hours 45 minutes 23 seconds
     */
public String getUptime() {
    RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    int upTime = (int) (runtimeBean.getUptime() / 1000);
    int minutes = upTime / 60;
    int hours = minutes / 60;
    if (upTime < 120) {
        return upTime + " seconds";
    }
    if (minutes < 120) {
        return minutes + " minutes";
    }
    return hours + " hours";
}

Example 23 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project geode by apache.

the class MBeanProcessController method checkPidMatches.

/**
   * Ensures that the other process identifies itself by the same pid used by this stopper to
   * connect to that process. NOT USED EXCEPT IN TEST.
   * 
   * @return true if the pid matches
   * 
   * @throws IllegalStateException if the other process identifies itself by a different pid
   * @throws IOException if a communication problem occurred when accessing the
   *         MBeanServerConnection
   * @throws PidUnavailableException if parsing the pid from the RuntimeMXBean name fails
   */
boolean checkPidMatches() throws IllegalStateException, IOException, PidUnavailableException {
    final RuntimeMXBean proxy = ManagementFactory.newPlatformMXBeanProxy(this.server, ManagementFactory.RUNTIME_MXBEAN_NAME, RuntimeMXBean.class);
    final int remotePid = ProcessUtils.identifyPid(proxy.getName());
    if (remotePid != this.pid) {
        throw new IllegalStateException("Process has different pid '" + remotePid + "' than expected pid '" + this.pid + "'");
    } else {
        return true;
    }
}

Example 24 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project geode by apache.

the class Banner method print.

/**
   * Print information about this process to the specified stream.
   *
   * @param args possibly null list of command line arguments
   */
static void print(PrintWriter out, String[] args) {
    // fix for 46822
    Map sp = new TreeMap((Properties) System.getProperties().clone());
    int processId = -1;
    final String SEPERATOR = "---------------------------------------------------------------------------";
    try {
        processId = OSProcess.getId();
    } catch (VirtualMachineError err) {
        SystemFailure.initiateFailure(err);
        // now, so don't let this thread continue.
        throw err;
    } catch (Throwable t) {
        // Whenever you catch Error or Throwable, you must also
        // catch VirtualMachineError (see above). However, there is
        // _still_ a possibility that you are dealing with a cascading
        // error condition, so you also need to check to see if the JVM
        // is still usable:
        SystemFailure.checkFailure();
    }
    out.println();
    final String productName = GemFireVersion.getProductName();
    out.println(SEPERATOR);
    out.println("  ");
    out.println("  Licensed to the Apache Software Foundation (ASF) under one or more");
    out.println("  contributor license agreements.  See the NOTICE file distributed with this");
    out.println("  work for additional information regarding copyright ownership.");
    out.println("   ");
    out.println("  The ASF licenses this file to You under the Apache License, Version 2.0");
    out.println("  (the \"License\"); you may not use this file except in compliance with the");
    out.println("  License.  You may obtain a copy of the License at");
    out.println("  ");
    out.println("  http://www.apache.org/licenses/LICENSE-2.0");
    out.println("  ");
    out.println("  Unless required by applicable law or agreed to in writing, software");
    out.println("  distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT");
    out.println("  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the");
    out.println("  License for the specific language governing permissions and limitations");
    out.println("  under the License.");
    out.println("  ");
    out.println(SEPERATOR);
    GemFireVersion.print(out);
    out.println("Communications version: " + Version.CURRENT_ORDINAL);
    out.println("Process ID: " + processId);
    out.println("User: " + sp.get("user.name"));
    sp.remove("user.name");
    sp.remove("os.name");
    sp.remove("os.arch");
    out.println("Current dir: " + sp.get("user.dir"));
    sp.remove("user.dir");
    out.println("Home dir: " + sp.get("user.home"));
    sp.remove("user.home");
    List<String> allArgs = new ArrayList<>();
    {
        RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
        if (runtimeBean != null) {
            // fixes 45353
            allArgs.addAll(runtimeBean.getInputArguments());
        }
    }
    if (args != null && args.length != 0) {
        Collections.addAll(allArgs, args);
    }
    if (!allArgs.isEmpty()) {
        out.println("Command Line Parameters:");
        for (String arg : allArgs) {
            out.println("  " + ArgumentRedactor.redact(arg));
        }
    }
    out.println("Class Path:");
    prettyPrintPath((String) sp.get("java.class.path"), out);
    sp.remove("java.class.path");
    out.println("Library Path:");
    prettyPrintPath((String) sp.get("java.library.path"), out);
    sp.remove("java.library.path");
    if (Boolean.getBoolean(DistributionConfig.GEMFIRE_PREFIX + "disableSystemPropertyLogging")) {
        out.println("System property logging disabled.");
    } else {
        out.println("System Properties:");
        Iterator it = sp.entrySet().iterator();
        while (it.hasNext()) {
            Map.Entry me = (Map.Entry) it.next();
            String key = me.getKey().toString();
            out.println("    " + key + " = " + ArgumentRedactor.redact(String.valueOf(me.getValue())));
        }
        out.println("Log4J 2 Configuration:");
        out.println("    " + LogService.getConfigInformation());
    }
    out.println(SEPERATOR);
}

Example 25 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project warn-report by saaavsaaa.

the class TestAgentVMAttacher method test.

// consult: http://ayufox.iteye.com/blog/653214
/*
    * HotSpotDiagnosticMXBean
    * ClassLoadingMXBean
    * CompilationMXBean
    * GarbageCollectorMXBean
    * MemoryManagerMXBean
    * MemoryPoolMXBean
    * OperatingSystemMXBean
    * RuntimeMXBean
    * ThreadMXBeanisolatering
    * */
@Test
public void test() throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {
    // args[0]传入的是某个jvm进程的pid
    String targetPid = "9527";
    VirtualMachine virtualmachine = VirtualMachine.attach(targetPid);
    // 让JVM加载jmx Agent
    String javaHome = virtualmachine.getSystemProperties().getProperty("java.home");
    String jmxAgent = javaHome + File.separator + "lib" + File.separator + "management-agent.jar";
    virtualmachine.loadAgent(jmxAgent, "com.sun.management.jmxremote");
    // 获得连接地址
    Properties properties = virtualmachine.getAgentProperties();
    String address = (String) properties.get("com.sun.management.jmxremote.localConnectorAddress");
    // Detach
    virtualmachine.detach();
    // 通过jxm address来获取RuntimeMXBean对象，从而得到虚拟机运行时相关信息
    JMXServiceURL url = new JMXServiceURL(address);
    JMXConnector connector = JMXConnectorFactory.connect(url);
    RuntimeMXBean rmxb = ManagementFactory.newPlatformMXBeanProxy(connector.getMBeanServerConnection(), "java.lang:type=Runtime", RuntimeMXBean.class);
    // 得到目标虚拟机占用cpu时间
    System.out.println(rmxb.getInputArguments());
}