Examples of ThreadInfo

de.danet.an.workflow.internalapi.ThreadInfo
This class provides information about the predecessors of an activity, i.e. about the execution thread. @author @version $Revision: 2384 $
gov.nasa.jpf.vm.ThreadInfo
java.lang.management.ThreadInfo
Thread information. ThreadInfo contains the information about a thread including:
General thread information
- Thread ID.
- Name of the thread.
Execution information
- Thread state.
- The object upon which the thread is blocked due to:
  - waiting to enter a synchronization block/method, or
  - waiting to be notified in a {@link Object#wait Object.wait} method,or
  - parking due to a {@link java.util.concurrent.locks.LockSupport#park LockSupport.park} call.
- The ID of the thread that owns the object that the thread is blocked.
- Stack trace of the thread.
- List of object monitors locked by the thread.
- List of ownable synchronizers locked by the thread.
Synchronization Statistics
- The number of times that the thread has blocked for synchronization or waited for notification.
- The accumulated elapsed time that the thread has blocked for synchronization or waited for notification since {@link ThreadMXBean#setThreadContentionMonitoringEnabled thread contention monitoring}was enabled. Some Java virtual machine implementation may not support this. The {@link ThreadMXBean#isThreadContentionMonitoringSupported()}method can be used to determine if a Java virtual machine supports this.
This thread information class is designed for use in monitoring of the system, not for synchronization control.
MXBean Mapping
ThreadInfo is mapped to a {@link CompositeData CompositeData}with attributes as specified in the {@link #from from} method. @see ThreadMXBean#getThreadInfo @see ThreadMXBean#dumpAllThreads @author Mandy Chung @version 1.25, 05/05/06 @since 1.5
org.apache.jmeter.monitor.model.ThreadInfo
@version $Revision: 1.2 $ on $Date: 2004/03/13 22:45:17 $
org.tod.meta.ThreadInfo
@author jeff

Examples of java.lang.management.ThreadInfo

   * @return the blocking thread, or null if there is none
   * @throws NullPointerException
   *           if the blocked thread is null
   */
  public static Thread getBlockingThread(final Thread blockedThread) {
    final ThreadInfo info = getThreadInfo(blockedThread);
    if (info == null)
      return null;
    final long id = info.getLockOwnerId();
    if (id == -1)
      return null;
    return getThread(id);
  }

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Examples of java.lang.management.ThreadInfo

                mb.setThreadContentionMonitoringEnabled(false);
                Thread.yield();
            }// end while


            // Check that a ThreadInfo returns -1 where expected.
            ThreadInfo info = mb.getThreadInfo(Thread.currentThread().getId());
            assertEquals(-1, info.getBlockedTime());
            assertEquals(-1, info.getWaitedTime());


            // re-enable tcm
            while (!mb.isThreadContentionMonitoringEnabled()) {
                mb.setThreadContentionMonitoringEnabled(true);
                Thread.yield();
            }// end while


            // Check that waited time and blocked time are now no longer
            // set to -1.
            ThreadInfo info2 = mb.getThreadInfo(Thread.currentThread().getId());
            assertTrue(info2.getBlockedTime() > -1);
            assertTrue(info2.getWaitedTime() > -1);
        } else {
            try {
                mb.isThreadContentionMonitoringEnabled();
                fail("Should have thrown UnsupportedOperationException!");
            } catch (UnsupportedOperationException ignore) {

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Examples of java.lang.management.ThreadInfo

                .isCurrentThreadCpuTimeSupported());
        assertEquals(mb.isThreadContentionMonitoringSupported(), proxy
                .isThreadContentionMonitoringSupported());
        assertEquals(mb.isThreadCpuTimeSupported(), proxy
                .isThreadCpuTimeSupported());
        ThreadInfo info1 = mb.getThreadInfo(Thread.currentThread().getId());
        ThreadInfo info2 = proxy.getThreadInfo(Thread.currentThread().getId());
        // RI does not appear to override equals() for ThreadInfo so we take
        // the scenic route to check for equality...
        assertEquals(info1.getThreadId(), info2.getThreadId());
        assertEquals(info1.getBlockedCount(), info2.getBlockedCount());
        assertEquals(info1.getBlockedTime(), info2.getBlockedTime());
        assertEquals(info1.getThreadName(), info2.getThreadName());
        assertEquals(info1.getWaitedCount(), info2.getWaitedCount());
        assertEquals(info1.getLockName(), info2.getLockName());
    }

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Examples of java.lang.management.ThreadInfo

            sb.append(sm.getString("no.deadlock"));
        }
        else {
            sb.append(sm.getString("deadlocks.found"));
            for (final long dt : dts) {
                final ThreadInfo ti = tmx.getThreadInfo(dt);
                sb.append(this.dumpThread(ti));
            }
        }
        return ( sb.toString() );
    }

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Examples of java.lang.management.ThreadInfo




    protected static void _printThreads(ThreadMXBean bean, long[] ids, StringBuilder sb) {
        ThreadInfo[] threads=bean.getThreadInfo(ids, 20);
        for(int i=0; i < threads.length; i++) {
            ThreadInfo info=threads[i];
            if(info == null)
                continue;
            sb.append(info.getThreadName()).append(":\n");
            StackTraceElement[] stack_trace=info.getStackTrace();
            for(int j=0; j < stack_trace.length; j++) {
                StackTraceElement el=stack_trace[j];
                sb.append("    at ").append(el.getClassName()).append(".").append(el.getMethodName());
                sb.append("(").append(el.getFileName()).append(":").append(el.getLineNumber()).append(")");
                sb.append("\n");

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Examples of java.lang.management.ThreadInfo

        long threadId = record.getThreadID();
        String threadName = "" + record.getThreadID();
        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
        for (long id : threadMXBean.getAllThreadIds()) {
            if (id == threadId) {
                ThreadInfo threadInfo = threadMXBean.getThreadInfo(id);
                if (threadInfo != null) {
                    threadName = threadInfo.getThreadName();
                }
                break;
            }
        }

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Examples of java.lang.management.ThreadInfo

            final long endTime = clock.time();


            final long roundBlockedTime;
            if (supportsThreadContention) {
                final long threadId = Thread.currentThread().getId();
                final ThreadInfo threadInfo = threadMXBean.getThreadInfo(threadId);
                final long threadBlockedTime = threadInfo.getBlockedTime();
                final long previousValue = previousThreadBlockedTime.get().getAndSet(threadBlockedTime);
                roundBlockedTime = threadBlockedTime - previousValue;
            } else {
                roundBlockedTime = 0;
            }

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Examples of java.lang.management.ThreadInfo

            if ( null != threads ) {
                StringBuffer sb = new StringBuffer( 256 );
                ThreadInfo[] infos = threadMXBean.getThreadInfo( threads, Integer.MAX_VALUE );


                for (int i = 0; i < infos.length; i ++) {
                    ThreadInfo info = infos[i];
                    sb.append( info.getThreadName() )
                        .append( " blocked on " )
                        .append( info.getLockName() )
                        .append( " owned by " )
                        .append( info.getLockOwnerName() )
                        .append( "\n" );
                }


                for (int i = 0; i < infos.length; i ++) {
                    ThreadInfo info = infos[i];
                    sb.append( "\nStack for " ).append( info.getThreadName() ).append( "\n" );
                    StackTraceElement[] stackTrace = info.getStackTrace();
                    for (int j = 0; j < stackTrace.length; j ++) {
                        sb.append( "\t" ).append( stackTrace[j] ).append( "\n" );
                    }
                }

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Examples of java.lang.management.ThreadInfo

    boolean contention = threadBean.isThreadContentionMonitoringEnabled();
    long[] threadIds = threadBean.getAllThreadIds();
    stream.println("Process Thread Dump: " + title);
    stream.println(threadIds.length + " active threads");
    for (long tid: threadIds) {
      ThreadInfo info = threadBean.getThreadInfo(tid, STACK_DEPTH);
      if (info == null) {
        stream.println("  Inactive");
        continue;
      }
      stream.println("Thread " + 
                     getTaskName(info.getThreadId(),
                                 info.getThreadName()) + ":");
      Thread.State state = info.getThreadState();
      stream.println("  State: " + state);
      stream.println("  Blocked count: " + info.getBlockedCount());
      stream.println("  Waited count: " + info.getWaitedCount());
      if (contention) {
        stream.println("  Blocked time: " + info.getBlockedTime());
        stream.println("  Waited time: " + info.getWaitedTime());
      }
      if (state == Thread.State.WAITING) {
        stream.println("  Waiting on " + info.getLockName());
      } else  if (state == Thread.State.BLOCKED) {
        stream.println("  Blocked on " + info.getLockName());
        stream.println("  Blocked by " + 
                       getTaskName(info.getLockOwnerId(),
                                   info.getLockOwnerName()));
      }
      stream.println("  Stack:");
      for (StackTraceElement frame: info.getStackTrace()) {
        stream.println("    " + frame.toString());
      }
    }
    stream.flush();
  }

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Examples of java.lang.management.ThreadInfo

        StringBuilder sb=new StringBuilder();
        ThreadMXBean bean=ManagementFactory.getThreadMXBean();
        long[] ids=bean.getAllThreadIds();
        ThreadInfo[] threads=bean.getThreadInfo(ids, 20);
        for(int i=0; i < threads.length; i++) {
            ThreadInfo info=threads[i];
            if(info == null)
                continue;
            sb.append(info.getThreadName()).append(":\n");
            StackTraceElement[] stack_trace=info.getStackTrace();
            for(int j=0; j < stack_trace.length; j++) {
                StackTraceElement el=stack_trace[j];
                sb.append("    at ").append(el.getClassName()).append(".").append(el.getMethodName());
                sb.append("(").append(el.getFileName()).append(":").append(el.getLineNumber()).append(")");
                sb.append("\n");

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Examples of ThreadInfo

General thread information

Execution information

Synchronization Statistics

MXBean Mapping

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo

Examples of java.lang.management.ThreadInfo