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Java ThreadMXBean.setThreadCpuTimeEnabled方法代碼示例

本文整理匯總了Java中java.lang.management.ThreadMXBean.setThreadCpuTimeEnabled方法的典型用法代碼示例。如果您正苦於以下問題:Java ThreadMXBean.setThreadCpuTimeEnabled方法的具體用法?Java ThreadMXBean.setThreadCpuTimeEnabled怎麽用?Java ThreadMXBean.setThreadCpuTimeEnabled使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在java.lang.management.ThreadMXBean的用法示例。


在下文中一共展示了ThreadMXBean.setThreadCpuTimeEnabled方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: setJvmThreadCpuTimeMonitoring

import java.lang.management.ThreadMXBean; //導入方法依賴的package包/類
/**
 * Setter for the "JvmThreadCpuTimeMonitoring" variable.
 */
public void setJvmThreadCpuTimeMonitoring(EnumJvmThreadCpuTimeMonitoring x)
    throws SnmpStatusException {

    ThreadMXBean mbean = getThreadMXBean();

    // We can trust the received value, it has been checked in
    // checkJvmThreadCpuTimeMonitoring
    if(JvmThreadCpuTimeMonitoringEnabled.intValue() == x.intValue())
        mbean.setThreadCpuTimeEnabled(true);
    else
        mbean.setThreadCpuTimeEnabled(false);
}
 
開發者ID:SunburstApps,項目名稱:OpenJSharp,代碼行數:16,代碼來源:JvmThreadingImpl.java

示例2: doThreadMeasurement

import java.lang.management.ThreadMXBean; //導入方法依賴的package包/類
/**
 * Does the thread measurement. For this, a single thread will be started and the results 
 * will be transfered to the specified {@link ThreadProtocolReceiver}.
 * 
 * @see ThreadProtocolReceiver
 *
 * @param timestamp the time stamp of the initial request
 * @param threadProtocolReceiver the {@link ThreadProtocolReceiver}
 */
public static void doThreadMeasurement(final long timestamp, final ThreadProtocolReceiver threadProtocolReceiver) {

	if (timestamp!=threadMeasurementLastTimeStamp) {

		// --- Remind this time stamp in order to avoid double work -------
		threadMeasurementLastTimeStamp = timestamp;
		
		// --- Start Thread to do0 the work -------------------------------
		Runnable threadMeasurement = new Runnable() {
			@Override
			public void run() {
				
				// --- Create a protocol instance -------------------------
				ThreadProtocol tp = new ThreadProtocol(timestamp, getLoadCPU());

				// --- Configure ThreadMXBean if possible and needed ------ 
				ThreadMXBean tmxb = ManagementFactory.getThreadMXBean();
		        if (tmxb.isThreadCpuTimeSupported()==true){
		        	if(tmxb.isThreadCpuTimeEnabled()==false){
		        		tmxb.setThreadCpuTimeEnabled(true);  
		        	}	
		        } else{
		        	System.err.println("ThreadTimeMeasurement not supported !!");
		        	threadProtocolReceiver.receiveThreadProtocol(null);
		        	return;
		        }
		        
		        // --- Do measurement ------------------------------------- 
		        String threadName;
		        long nanosCpuTime = 0L;
		        long nanosUserTime = 0L;
		        long factorMiliseconds = 1000000;

		        long[] threadIDs = tmxb.getAllThreadIds();
		        for (int i = 0; i < threadIDs.length; i++) {
		        	
		        	long threadID = threadIDs[i];
		            nanosCpuTime = tmxb.getThreadCpuTime(threadID);
		            nanosUserTime = tmxb.getThreadUserTime(threadID);
		            if (nanosCpuTime==-1 || nanosUserTime==-1) {
		            	continue;   // Thread died
		            }

		        	threadName = tmxb.getThreadInfo(threadID).getThreadName();
		        	// --- add times, converted to milliseconds, to thread-Protocol
		        	tp.getThreadDetails().add(new ThreadDetail(threadName, (nanosCpuTime/factorMiliseconds), (nanosUserTime/factorMiliseconds)));
		        }
		        // --- Send protocol to the requester of the measurement --
		        threadProtocolReceiver.receiveThreadProtocol(tp);
			}
		};
		// --- Start measurement thread -----------------------------------
		threadMeasurement.run();
	}
}
 
開發者ID:EnFlexIT,項目名稱:AgentWorkbench,代碼行數:65,代碼來源:LoadMeasureThread.java


注:本文中的java.lang.management.ThreadMXBean.setThreadCpuTimeEnabled方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。