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

Example 86 with ThreadInfo

use of java.lang.management.ThreadInfo in project pinpoint by naver.

the class AgentEventMessageSerDesTest method createTCommandThreadDumpResponse.

private TCommandThreadDumpResponse createTCommandThreadDumpResponse() {
    final TCommandThreadDumpResponse threadDumpResponse = new TCommandThreadDumpResponse();
    ThreadInfo[] threadInfos = ThreadMXBeanUtils.dumpAllThread();
    for (ThreadInfo threadInfo : threadInfos) {
        final TThreadDump threadDump = createTThreadDump(threadInfo);
        threadDumpResponse.addToThreadDumps(threadDump);
    }
    return threadDumpResponse;
}

Example 87 with ThreadInfo

use of java.lang.management.ThreadInfo in project pinpoint by naver.

the class ThreadMXBeanUtils method findThread.

public static List<ThreadInfo> findThread(String threadName) {
    Asserts.notNull(threadName, "threadName may not be null.");
    ThreadInfo[] threadInfos = dumpAllThread();
    if (threadInfos == null) {
        return Collections.emptyList();
    }
    ArrayList<ThreadInfo> threadInfoList = new ArrayList<ThreadInfo>(1);
    for (ThreadInfo threadInfo : threadInfos) {
        if (threadName.equals(threadInfo.getThreadName())) {
            threadInfoList.add(threadInfo);
        }
    }
    return threadInfoList;
}

Example 88 with ThreadInfo

use of java.lang.management.ThreadInfo in project pinpoint by naver.

the class ThreadDumpService method requestCommandService.

@Override
public TBase<?, ?> requestCommandService(TBase tbase) {
    logger.info("{} execute {}.", this, tbase);
    TCommandThreadDump param = (TCommandThreadDump) tbase;
    TThreadDumpType type = param.getType();
    List<ThreadInfo> threadInfoList = null;
    if (TThreadDumpType.TARGET == type) {
        threadInfoList = getThreadInfo(param.getName());
    } else if (TThreadDumpType.PENDING == type) {
        threadInfoList = getThreadInfo(param.getPendingTimeMillis());
    } else {
        threadInfoList = Arrays.asList(getAllThreadInfo());
    }
    TCommandThreadDumpResponse response = new TCommandThreadDumpResponse();
    for (ThreadInfo info : threadInfoList) {
        TThreadDump dump = new TThreadDump();
        dump.setThreadName(info.getThreadName());
        dump.setThreadId(info.getThreadId());
        dump.setBlockedTime(info.getBlockedTime());
        dump.setBlockedCount(info.getBlockedCount());
        dump.setWaitedTime(info.getWaitedTime());
        dump.setWaitedCount(info.getWaitedCount());
        dump.setLockName(info.getLockName());
        dump.setLockOwnerId(info.getLockOwnerId());
        dump.setLockOwnerName(info.getLockOwnerName());
        dump.setInNative(info.isInNative());
        dump.setSuspended(info.isSuspended());
        dump.setThreadState(getThreadState(info));
        StackTraceElement[] stackTraceElements = info.getStackTrace();
        for (StackTraceElement each : stackTraceElements) {
            dump.addToStackTrace(each.toString());
        }
        MonitorInfo[] monitorInfos = info.getLockedMonitors();
        for (MonitorInfo each : monitorInfos) {
            TMonitorInfo tMonitorInfo = new TMonitorInfo();
            tMonitorInfo.setStackDepth(each.getLockedStackDepth());
            tMonitorInfo.setStackFrame(each.getLockedStackFrame().toString());
            dump.addToLockedMonitors(tMonitorInfo);
        }
        LockInfo[] lockInfos = info.getLockedSynchronizers();
        for (LockInfo lockInfo : lockInfos) {
            dump.addToLockedSynchronizers(lockInfo.toString());
        }
        response.addToThreadDumps(dump);
    }
    return response;
}

Example 89 with ThreadInfo

use of java.lang.management.ThreadInfo in project druid by alibaba.

the class Case1 method p0.

private void p0(final DataSource dataSource, String name, int threadCount) throws Exception {
    final CountDownLatch startLatch = new CountDownLatch(1);
    final CountDownLatch endLatch = new CountDownLatch(threadCount);
    final CountDownLatch dumpLatch = new CountDownLatch(1);
    Thread[] threads = new Thread[threadCount];
    for (int i = 0; i < threadCount; ++i) {
        Thread thread = new Thread() {

            public void run() {
                try {
                    startLatch.await();
                    for (int i = 0; i < LOOP_COUNT; ++i) {
                        Connection conn = dataSource.getConnection();
                        conn.close();
                    }
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
                endLatch.countDown();
                try {
                    dumpLatch.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        };
        threads[i] = thread;
        thread.start();
    }
    long startMillis = System.currentTimeMillis();
    long startYGC = TestUtil.getYoungGC();
    long startFullGC = TestUtil.getFullGC();
    startLatch.countDown();
    endLatch.await();
    long[] threadIdArray = new long[threads.length];
    for (int i = 0; i < threads.length; ++i) {
        threadIdArray[i] = threads[i].getId();
    }
    ThreadInfo[] threadInfoArray = ManagementFactory.getThreadMXBean().getThreadInfo(threadIdArray);
    dumpLatch.countDown();
    long blockedCount = 0;
    long waitedCount = 0;
    for (int i = 0; i < threadInfoArray.length; ++i) {
        ThreadInfo threadInfo = threadInfoArray[i];
        blockedCount += threadInfo.getBlockedCount();
        waitedCount += threadInfo.getWaitedCount();
    }
    long millis = System.currentTimeMillis() - startMillis;
    long ygc = TestUtil.getYoungGC() - startYGC;
    long fullGC = TestUtil.getFullGC() - startFullGC;
    System.out.println("thread " + threadCount + " " + name + " millis : " + NumberFormat.getInstance().format(millis) + "; YGC " + ygc + " FGC " + fullGC + " blocked " + //
    NumberFormat.getInstance().format(blockedCount) + " waited " + NumberFormat.getInstance().format(waitedCount) + " physicalConn " + physicalConnStat.get());
}

Example 90 with ThreadInfo

use of java.lang.management.ThreadInfo in project druid by alibaba.

the class Case2 method p0.

private void p0(final DataSource dataSource, String name, int threadCount) throws Exception {
    final CountDownLatch startLatch = new CountDownLatch(1);
    final CountDownLatch endLatch = new CountDownLatch(threadCount);
    final AtomicLong blockedStat = new AtomicLong();
    final AtomicLong waitedStat = new AtomicLong();
    for (int i = 0; i < threadCount; ++i) {
        Thread thread = new Thread() {

            public void run() {
                try {
                    startLatch.await();
                    long threadId = Thread.currentThread().getId();
                    long startBlockedCount, startWaitedCount;
                    {
                        ThreadInfo threadInfo = ManagementFactory.getThreadMXBean().getThreadInfo(threadId);
                        startBlockedCount = threadInfo.getBlockedCount();
                        startWaitedCount = threadInfo.getWaitedCount();
                    }
                    for (int i = 0; i < LOOP_COUNT; ++i) {
                        Connection conn = dataSource.getConnection();
                        conn.close();
                    }
                    ThreadInfo threadInfo = ManagementFactory.getThreadMXBean().getThreadInfo(threadId);
                    long blockedCount = threadInfo.getBlockedCount() - startBlockedCount;
                    long waitedCount = threadInfo.getWaitedCount() - startWaitedCount;
                    blockedStat.addAndGet(blockedCount);
                    waitedStat.addAndGet(waitedCount);
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
                endLatch.countDown();
            }
        };
        thread.start();
    }
    long startMillis = System.currentTimeMillis();
    long startYGC = TestUtil.getYoungGC();
    long startFullGC = TestUtil.getFullGC();
    startLatch.countDown();
    endLatch.await();
    long millis = System.currentTimeMillis() - startMillis;
    long ygc = TestUtil.getYoungGC() - startYGC;
    long fullGC = TestUtil.getFullGC() - startFullGC;
    System.out.println("thread " + threadCount + " " + name + " millis : " + NumberFormat.getInstance().format(millis) + ", YGC " + ygc + " FGC " + fullGC + " blockedCount " + blockedStat.get() + " waitedCount " + waitedStat.get());
}