Package java.lang.management

Examples of java.lang.management.ThreadInfo

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        return buf;
    }

    public static String[] getStackTrace(long threadID) {
        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
        ThreadInfo threadInfo = threadMXBean.getThreadInfo(threadID, Integer.MAX_VALUE);

        List<String> buf = new ArrayList<String>();

        if (threadInfo == null) {
            return buf.toArray((String[])Array.newInstance(String.class, buf.size()));
        }

        StackTraceElement[] stackTrace = threadInfo.getStackTrace();
        for (int i = 0; i < stackTrace.length; i++) {
            StackTraceElement ste = stackTrace[i];
            buf.add("\t" + ste.toString());

            if (i == 0 && threadInfo.getLockInfo() != null) {
                Thread.State ts = threadInfo.getThreadState();
                switch (ts) {
                    case BLOCKED:
                        buf.add("\t-  blocked on " + threadInfo.getLockInfo());
                        break;
                    case WAITING:
                        buf.add("\t-  waiting on " + threadInfo.getLockInfo());
                        break;
                    case TIMED_WAITING:
                        buf.add("\t-  waiting on " + threadInfo.getLockInfo());
                        break;
                    default:
                }
            }

            for (MonitorInfo mi : threadInfo.getLockedMonitors()) {
                if (mi.getLockedStackDepth() == i) {
                    buf.add("\t-  locked " + mi);
                }
            }
        }

        LockInfo[] locks = threadInfo.getLockedSynchronizers();
        if (locks.length > 0) {
            buf.add("\n\tNumber of locked synchronizers = " + locks.length);
            for (LockInfo li : locks) {
                buf.add("\t- " + li);
            }
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        return buf.toArray((String[])Array.newInstance(String.class, buf.size()));
    }

    public static void dumpThreadStatus(long threadID, Indentor dumper) {
        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
        ThreadInfo threadInfo = threadMXBean.getThreadInfo(threadID, Integer.MAX_VALUE);
        dumpThreadStatus(threadInfo, dumper);
    }
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        }
    }

    public static String getThreadHeadline(long threadID) {
        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
        ThreadInfo threadInfo = threadMXBean.getThreadInfo(threadID, Integer.MAX_VALUE);
        return getThreadHeadline(threadInfo);
    }
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        validator.validate(operation);
        ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
        try {
            long id = operation.require(PlatformMBeanConstants.ID).asLong();
            ThreadInfo info;
            if (operation.hasDefined(PlatformMBeanConstants.MAX_DEPTH)) {
                info = mbean.getThreadInfo(id, operation.require(PlatformMBeanConstants.MAX_DEPTH).asInt());
            } else {
                info = mbean.getThreadInfo(id);
            }
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        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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        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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        nThreadsAnalyzed++;

        if ( DEBUG ) logger.warn("UpdateThreadInfo called");

        final long threadID = thread.getId();
        final ThreadInfo info = bean.getThreadInfo(thread.getId());
        final long totalTimeNano = bean.getThreadCpuTime(threadID);
        final long userTimeNano = bean.getThreadUserTime(threadID);
        final long systemTimeNano = totalTimeNano - userTimeNano;
        final long userTimeInMilliseconds = nanoToMilli(userTimeNano);
        final long systemTimeInMilliseconds = nanoToMilli(systemTimeNano);

        if ( info != null ) {
            if ( DEBUG ) logger.warn("Updating thread with user runtime " + userTimeInMilliseconds + " and system runtime " + systemTimeInMilliseconds + " of which blocked " + info.getBlockedTime() + " and waiting " + info.getWaitedTime());
            incTimes(State.BLOCKING, info.getBlockedTime());
            incTimes(State.WAITING, info.getWaitedTime());
            incTimes(State.USER_CPU, userTimeInMilliseconds);
            incTimes(State.WAITING_FOR_IO, systemTimeInMilliseconds);
        }
    }
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        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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        validator.validate(operation);
        ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
        try {
            long id = operation.require(PlatformMBeanConstants.ID).asLong();
            ThreadInfo info;
            if (operation.hasDefined(PlatformMBeanConstants.MAX_DEPTH)) {
                info = mbean.getThreadInfo(id, operation.require(PlatformMBeanConstants.MAX_DEPTH).asInt());
            } else {
                info = mbean.getThreadInfo(id);
            }
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      long[] threads = threadMXBean.getAllThreadIds();
      for (int i = 0; i < threads.length; ++i)
      {
         Long id = new Long(threads[i]);
         Long cpuTime = threadMXBean.getThreadCpuTime(id);
         ThreadInfo threadInfo = threadMXBean.getThreadInfo(id, ZERO );
         if (threadInfo != null)
         {
            String name = threadInfo.getThreadName();
            result.add(new ThreadCPU(name, cpuTime.longValue()));
         }
      }
      return result;
   }
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