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Java MemoryPoolMXBean.getName方法代碼示例

本文整理匯總了Java中java.lang.management.MemoryPoolMXBean.getName方法的典型用法代碼示例。如果您正苦於以下問題：Java MemoryPoolMXBean.getName方法的具體用法？Java MemoryPoolMXBean.getName怎麽用？Java MemoryPoolMXBean.getName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類java.lang.management.MemoryPoolMXBean的用法示例。


在下文中一共展示了MemoryPoolMXBean.getName方法的15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: run

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
@Override
public void run() {
    List<GarbageCollectorMXBean> garbageCollectorMXBeans = ManagementFactory.getGarbageCollectorMXBeans();
    GarbageCollectorMXBean garbageCollectorMXBean = CollectionUtils.findFirst(garbageCollectorMXBeans, new Spec<GarbageCollectorMXBean>() {
        @Override
        public boolean isSatisfiedBy(GarbageCollectorMXBean mbean) {
            return mbean.getName().equals(garbageCollector);
        }
    });

    List<MemoryPoolMXBean> memoryPoolMXBeans = ManagementFactory.getMemoryPoolMXBeans();
    for (MemoryPoolMXBean memoryPoolMXBean : memoryPoolMXBeans) {
        String pool = memoryPoolMXBean.getName();
        if (memoryPools.contains(pool)) {
            GarbageCollectionEvent event = new GarbageCollectionEvent(System.currentTimeMillis(), memoryPoolMXBean.getCollectionUsage(), garbageCollectorMXBean.getCollectionCount());
            events.get(pool).slideAndInsert(event);
        }
    }
}
開發者ID:lxxlxx888，項目名稱:Reer，代碼行數:20，代碼來源:GarbageCollectionCheck.java

示例2: reportUsage

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
private void reportUsage(MemoryPoolMXBean mxBean, MetricRecorder.Context metricContext)
{
    String name = mxBean.getName();
    Metric usedMetric = Metric.define("MemoryPoolUsed_" + name);
    Metric maxMetric = Metric.define("MemoryPoolMax_" + name);
    Metric percMetric = Metric.define("MemoryPoolUsage_" + name);

    MemoryUsage usage = mxBean.getUsage();
    long used = usage.getUsed();
    long max = usage.getMax();

    metricContext.record(usedMetric, used / M, Unit.MEGABYTE);

    // max can be undefined (-1) https://docs.oracle.com/javase/8/docs/api/java/lang/management/MemoryUsage.html
    if (max >= 0) {
        metricContext.record(maxMetric, max / M, Unit.MEGABYTE);

        double used_percent = 100.0 * ((double)used/(double)max);
        metricContext.record(percMetric, used_percent, Unit.PERCENT);
    }

}
開發者ID:awslabs，項目名稱:swage，代碼行數:23，代碼來源:MemoryPoolSensor.java

示例3: buildPoolIndexMap

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
/**
 * Builds a map pool-name => pool-index from the SnmpTableHandler
 * of the JvmMemPoolTable.
 **/
private static Map<String, SnmpOid> buildPoolIndexMap(SnmpTableHandler handler) {
    // optimization...
    if (handler instanceof SnmpCachedData)
        return buildPoolIndexMap((SnmpCachedData)handler);

    // not optimizable... too bad.
    final Map<String, SnmpOid> m = new HashMap<>();
    SnmpOid index=null;
    while ((index = handler.getNext(index))!=null) {
        final MemoryPoolMXBean mpm =
            (MemoryPoolMXBean)handler.getData(index);
        if (mpm == null) continue;
        final String name = mpm.getName();
        if (name == null) continue;
        m.put(name,index);
    }
    return m;
}
開發者ID:SunburstApps，項目名稱:OpenJSharp，代碼行數:23，代碼來源:JvmMemMgrPoolRelTableMetaImpl.java

示例4: isTenured

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
/**
 * Determines if the name of the memory pool MXBean provided matches a list of known tenured pool
 * names.
 * 
 * Package private for testing.
 * 
 * @param memoryPoolMXBean The memory pool MXBean to check.
 * @return True if the pool name matches a known tenured pool name, false otherwise.
 */
static boolean isTenured(MemoryPoolMXBean memoryPoolMXBean) {
  if (memoryPoolMXBean.getType() != MemoryType.HEAP) {
    return false;
  }

  String name = memoryPoolMXBean.getName();

  return name.equals("CMS Old Gen") // Sun Concurrent Mark Sweep GC
      || name.equals("PS Old Gen") // Sun Parallel GC
      || name.equals("G1 Old Gen") // Sun G1 GC
      || name.equals("Old Space") // BEA JRockit 1.5, 1.6 GC
      || name.equals("Tenured Gen") // Hitachi 1.5 GC
      || name.equals("Java heap") // IBM 1.5, 1.6 GC
      || name.equals("GenPauseless Old Gen") // azul C4/GPGC collector

      // Allow an unknown pool name to monitor
      || (HEAP_POOL != null && name.equals(HEAP_POOL));
}
開發者ID:ampool，項目名稱:monarch，代碼行數:28，代碼來源:HeapMemoryMonitor.java

示例5: initCodeSizeLimits

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
public static void initCodeSizeLimits(int nMaxSizeMemPoolCodeCache, int nMaxSizeMemPoolPermGen)
{
	// PJD remove ibm JMV
	List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
	for (MemoryPoolMXBean p: pools)
	{
		if(p.getType().compareTo(MemoryType.NON_HEAP) == 0)
		{
			String cs = p.getName();
			if(cs.equalsIgnoreCase("Code Cache"))
				p.setUsageThreshold((long)nMaxSizeMemPoolCodeCache * 1024L * 1024L);
			else if(cs.equalsIgnoreCase("Perm Gen"))
				p.setUsageThreshold((long)nMaxSizeMemPoolPermGen * 1024L * 1024L);
		}
	}
}
開發者ID:costea7，項目名稱:ChronoBike，代碼行數:17，代碼來源:CodeManager.java

示例6: setMemThreshold

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
private void setMemThreshold()
{
	m_bMaxPermanentHeap_MoSet = false;

	List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
	for (MemoryPoolMXBean p: pools)
	{
		if(p.getType().compareTo(MemoryType.HEAP) == 0)
		{
			String cs = p.getName();
			if(cs.equalsIgnoreCase("Tenured gen"))
			{
				long l = 1024L * 1024L * (long)m_nMaxPermanentHeap_Mo;
				p.setUsageThreshold(l);
				m_tenuredPool = p;
			}				
		}
	}
}
開發者ID:costea7，項目名稱:ChronoBike，代碼行數:20，代碼來源:ThreadStatementGC.java

示例7: poolSummaries

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
/**
 * Returns a summary information about the memory pools.
 */
public static String poolSummaries() {
    // Why ? list-archive?4273859
    // How ? http://stackoverflow.com/questions/697336/how-do-i-programmatically-find-out-my-permgen-space-usage
    //       http://stackoverflow.com/questions/8356416/xxmaxpermsize-with-or-without-xxpermsize
    StringBuilder sb = new StringBuilder();
    Iterator<MemoryPoolMXBean> iter =
            ManagementFactory.getMemoryPoolMXBeans().iterator();
    while (iter.hasNext()) {
        MemoryPoolMXBean item = iter.next();
        String name = item.getName();
        MemoryType type = item.getType();
        MemoryUsage usage = item.getUsage();
        MemoryUsage peak = item.getPeakUsage();
        MemoryUsage collections = item.getCollectionUsage();
        sb.append(String.format("Memory pool name: " + name
                                + ", type: " + type
                                + ", usage: " + usage
                                + ", peak: " + peak
                                + ", collections: " + collections
                                + "\n"));
    }
    return sb.toString();
}
開發者ID:aws，項目名稱:aws-sdk-java-v2，代碼行數:27，代碼來源:Memory.java

示例8: main

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
public static void main(String[] args) {
    List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
    boolean verified = false;
    for (MemoryPoolMXBean i : pools) {
        if ((i.getUsage().getMax() >= TWO_G)
                && i.isUsageThresholdSupported()) {
            i.setUsageThreshold(TWO_G);
            if(i.getUsageThreshold() != TWO_G)
                throw new RuntimeException("Usage threshold for"
                        + " pool '" + i.getName() + "' is " + i.getUsageThreshold()
                        + " and not equal to 2GB");
            verified = true;
        }
    }
    System.out.println("Ability to use big heap thresholds has "
            + (verified ? "" : "NOT ") + "been verified");
}
開發者ID:AdoptOpenJDK，項目名稱:openjdk-jdk10，代碼行數:18，代碼來源:LargeHeapThresholdTest.java

示例9: JvmGcMetrics

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
public JvmGcMetrics(Iterable<Tag> tags) {
    for (MemoryPoolMXBean mbean : ManagementFactory.getMemoryPoolMXBeans()) {
        if (isYoungGenPool(mbean.getName()))
            youngGenPoolName = mbean.getName();
        if (isOldGenPool(mbean.getName()))
            oldGenPoolName = mbean.getName();
    }
    this.tags = tags;
}
開發者ID:micrometer-metrics，項目名稱:micrometer，代碼行數:10，代碼來源:JvmGcMetrics.java

示例10: getAllPoolNames

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
synchronized String[] getAllPoolNames() {
    if (poolNames == null) {
        List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
        poolNames = new String[pools.size()];
        int i = 0;
        for (MemoryPoolMXBean m : pools) {
            poolNames[i++] = m.getName();
        }
    }
    return poolNames;
}
開發者ID:SunburstApps，項目名稱:OpenJSharp，代碼行數:12，代碼來源:GarbageCollectorImpl.java

示例11: checkGcInfo

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
private static void checkGcInfo(String name, GcInfo info) throws Exception {
    System.out.println("GC statistic for : " + name);
    System.out.print("GC #" + info.getId());
    System.out.print(" start:" + info.getStartTime());
    System.out.print(" end:" + info.getEndTime());
    System.out.println(" (" + info.getDuration() + "ms)");
    Map usage = info.getMemoryUsageBeforeGc();

    List pnames = new ArrayList();
    for (Iterator iter = usage.entrySet().iterator(); iter.hasNext(); ) {
        Map.Entry entry = (Map.Entry) iter.next();
        String poolname = (String) entry.getKey();
        pnames.add(poolname);
        MemoryUsage busage = (MemoryUsage) entry.getValue();
        MemoryUsage ausage = (MemoryUsage) info.getMemoryUsageAfterGc().get(poolname);
        if (ausage == null) {
            throw new RuntimeException("After Gc Memory does not exist" +
                " for " + poolname);
        }
        System.out.println("Usage for pool " + poolname);
        System.out.println("   Before GC: " + busage);
        System.out.println("   After GC: " + ausage);
    }

    // check if memory usage for all memory pools are returned
    List pools = ManagementFactory.getMemoryPoolMXBeans();
    for (Iterator iter = pools.iterator(); iter.hasNext(); ) {
        MemoryPoolMXBean p = (MemoryPoolMXBean) iter.next();
        if (!pnames.contains(p.getName())) {
            throw new RuntimeException("GcInfo does not contain " +
                "memory usage for pool " + p.getName());
        }
    }
}
開發者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數:35，代碼來源:LastGCInfo.java

示例12: getAllPoolNames

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
private synchronized String[] getAllPoolNames() {
    if (poolNames == null) {
        List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
        poolNames = new String[pools.size()];
        int i = 0;
        for (MemoryPoolMXBean m : pools) {
            poolNames[i++] = m.getName();
        }
    }
    return poolNames;
}
開發者ID:AdoptOpenJDK，項目名稱:openjdk-jdk10，代碼行數:12，代碼來源:GarbageCollectorExtImpl.java

示例13: format

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
String format(LogParams logParams, int n)
{
	 
	if(n == 0)
	{
		String csMessage = logParams.toString();
		csMessage = logParams.toString();
		StackTraceElement stackElem = logParams.m_caller;
		String csOut;
		if(stackElem != null)
		{
			String csFile = stackElem.getFileName();
			int nLine = stackElem.getLineNumber();
			csOut = csFile+"("+nLine+"):"+csMessage;
		}
		else
		{
			csOut = "():"+csMessage;
		}
		csOut += "\r\n******** Mem:";
		int nMem = 0;
		List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
		for (MemoryPoolMXBean p: pools)
		{
			if(p.getType().compareTo(MemoryType.HEAP) == 0)
			{
				String cs = p.getName();
				MemoryUsage mem = p.getUsage();
				long l = mem.getUsed();
				long lOldMem = m_mem[nMem];
				long lOffset = l - lOldMem; 
				csOut += cs+"="+l+"["+lOffset+"];";
				m_mem[nMem] = l;
				nMem++;
			}
		}
		csOut += "\r\n";
		return csOut;
	}
	return null;
}
開發者ID:costea7，項目名稱:ChronoBike，代碼行數:42，代碼來源:PatternLayoutSTCheck.java

示例14: VMInfo

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
private VMInfo() {
    //初始化靜態信息
    osMXBean = java.lang.management.ManagementFactory.getOperatingSystemMXBean();
    runtimeMXBean = java.lang.management.ManagementFactory.getRuntimeMXBean();
    garbageCollectorMXBeanList = java.lang.management.ManagementFactory.getGarbageCollectorMXBeans();
    memoryPoolMXBeanList = java.lang.management.ManagementFactory.getMemoryPoolMXBeans();

    osInfo = runtimeMXBean.getVmVendor() + " " + runtimeMXBean.getSpecVersion() + " " + runtimeMXBean.getVmVersion();
    jvmInfo = osMXBean.getName() + " " + osMXBean.getArch() + " " + osMXBean.getVersion();
    totalProcessorCount = osMXBean.getAvailableProcessors();

    //構建startPhyOSStatus
    startPhyOSStatus = new PhyOSStatus();
    LOG.info("VMInfo# operatingSystem class => " + osMXBean.getClass().getName());
    if (VMInfo.isSunOsMBean(osMXBean)) {
        {
            startPhyOSStatus.totalPhysicalMemory = VMInfo.getLongFromOperatingSystem(osMXBean, "getTotalPhysicalMemorySize");
            startPhyOSStatus.freePhysicalMemory = VMInfo.getLongFromOperatingSystem(osMXBean, "getFreePhysicalMemorySize");
            startPhyOSStatus.maxFileDescriptorCount = VMInfo.getLongFromOperatingSystem(osMXBean, "getMaxFileDescriptorCount");
            startPhyOSStatus.currentOpenFileDescriptorCount = VMInfo.getLongFromOperatingSystem(osMXBean, "getOpenFileDescriptorCount");
        }
    }

    //初始化processGCStatus;
    for (GarbageCollectorMXBean garbage : garbageCollectorMXBeanList) {
        GCStatus gcStatus = new GCStatus();
        gcStatus.name = garbage.getName();
        processGCStatus.gcStatusMap.put(garbage.getName(), gcStatus);
    }

    //初始化processMemoryStatus
    if (memoryPoolMXBeanList != null && !memoryPoolMXBeanList.isEmpty()) {
        for (MemoryPoolMXBean pool : memoryPoolMXBeanList) {
            MemoryStatus memoryStatus = new MemoryStatus();
            memoryStatus.name = pool.getName();
            memoryStatus.initSize = pool.getUsage().getInit();
            memoryStatus.maxSize = pool.getUsage().getMax();
            processMomoryStatus.memoryStatusMap.put(pool.getName(), memoryStatus);
        }
    }
}
開發者ID:yaogdu，項目名稱:datax，代碼行數:42，代碼來源:VMInfo.java

示例15: getDelta

import java.lang.management.MemoryPoolMXBean; //導入方法依賴的package包/類
public synchronized void getDelta(boolean print) {

        try {
            if (VMInfo.isSunOsMBean(osMXBean)) {
                long curUptime = runtimeMXBean.getUptime();
                long curProcessTime = getLongFromOperatingSystem(osMXBean, "getProcessCpuTime");
                //百分比， uptime是ms，processTime是nano
                if ((curUptime > lastUpTime) && (curProcessTime >= lastProcessCpuTime)) {
                    float curDeltaCpu = (float) (curProcessTime - lastProcessCpuTime) / ((curUptime - lastUpTime) * totalProcessorCount * 10000);
                    processCpuStatus.setMaxMinCpu(curDeltaCpu);
                    processCpuStatus.averageCpu = (float) curProcessTime / (curUptime * totalProcessorCount * 10000);

                    lastUpTime = curUptime;
                    lastProcessCpuTime = curProcessTime;
                }
            }

            for (GarbageCollectorMXBean garbage : garbageCollectorMXBeanList) {

                GCStatus gcStatus = processGCStatus.gcStatusMap.get(garbage.getName());
                if (gcStatus == null) {
                    gcStatus = new GCStatus();
                    gcStatus.name = garbage.getName();
                    processGCStatus.gcStatusMap.put(garbage.getName(), gcStatus);
                }

                long curTotalGcCount = garbage.getCollectionCount();
                gcStatus.setCurTotalGcCount(curTotalGcCount);

                long curtotalGcTime = garbage.getCollectionTime();
                gcStatus.setCurTotalGcTime(curtotalGcTime);
            }

            if (memoryPoolMXBeanList != null && !memoryPoolMXBeanList.isEmpty()) {
                for (MemoryPoolMXBean pool : memoryPoolMXBeanList) {

                    MemoryStatus memoryStatus = processMomoryStatus.memoryStatusMap.get(pool.getName());
                    if (memoryStatus == null) {
                        memoryStatus = new MemoryStatus();
                        memoryStatus.name = pool.getName();
                        processMomoryStatus.memoryStatusMap.put(pool.getName(), memoryStatus);
                    }
                    memoryStatus.commitedSize = pool.getUsage().getCommitted();
                    memoryStatus.setMaxMinUsedSize(pool.getUsage().getUsed());
                    long maxMemory = memoryStatus.commitedSize > 0 ? memoryStatus.commitedSize : memoryStatus.maxSize;
                    memoryStatus.setMaxMinPercent(maxMemory > 0 ? (float) 100 * memoryStatus.usedSize / maxMemory : -1);
                }
            }

            if (print) {
                LOG.info(processCpuStatus.getDeltaString() + processMomoryStatus.getDeltaString() + processGCStatus.getDeltaString());
            }

        } catch (Exception e) {
            LOG.warn("no need care, the fail is ignored : vmInfo getDelta failed " + e.getMessage(), e);
        }
    }
開發者ID:yaogdu，項目名稱:datax，代碼行數:58，代碼來源:VMInfo.java


注：本文中的java.lang.management.MemoryPoolMXBean.getName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。