List of usage examples for java.lang.management MonitorInfo getLockedStackDepth
public int getLockedStackDepth()
From source file:com.workplacesystems.utilsj.ThreadDumperJdk16.java
@Override int outputMonitors(ThreadInfo info, int stack_depth, int monitor_pointer, StringBuffer buffer) { MonitorInfo[] locked_monitors = info.getLockedMonitors(); boolean check_next_monitor; do {//from w w w.j ava 2 s . c o m check_next_monitor = false; if (monitor_pointer < locked_monitors.length) { MonitorInfo monitor_info = locked_monitors[monitor_pointer]; if (monitor_info.getLockedStackDepth() == stack_depth) { formatLock(monitor_info, "locked", buffer); buffer.append("\n"); monitor_pointer++; check_next_monitor = true; } } } while (check_next_monitor); return monitor_pointer; }
From source file:DeadlockDetector.java
private void printMonitorInfo(ThreadInfo threadInfo, MonitorInfo[] monitorInfos) { sb.append(INDENT + "Locked monitors: count = " + monitorInfos.length + "\n"); for (MonitorInfo monitorInfo : monitorInfos) { sb.append(INDENT + " - " + monitorInfo + " locked at " + "\n"); sb.append(INDENT + " " + monitorInfo.getLockedStackDepth() + " " + monitorInfo.getLockedStackFrame() + "\n"); }/*w w w . ja v a 2s .c o m*/ }
From source file:hudson.Functions.java
@IgnoreJRERequirement public static String dumpThreadInfo(ThreadInfo ti) { StringBuilder sb = new StringBuilder( "\"" + ti.getThreadName() + "\"" + " Id=" + ti.getThreadId() + " " + ti.getThreadState()); if (ti.getLockName() != null) { sb.append(" on " + ti.getLockName()); }/*from ww w .j a va2 s .c o m*/ if (ti.getLockOwnerName() != null) { sb.append(" owned by \"" + ti.getLockOwnerName() + "\" Id=" + ti.getLockOwnerId()); } if (ti.isSuspended()) { sb.append(" (suspended)"); } if (ti.isInNative()) { sb.append(" (in native)"); } sb.append('\n'); StackTraceElement[] stackTrace = ti.getStackTrace(); for (int i = 0; i < stackTrace.length; i++) { StackTraceElement ste = stackTrace[i]; sb.append("\tat " + ste.toString()); sb.append('\n'); if (i == 0 && ti.getLockInfo() != null) { Thread.State ts = ti.getThreadState(); switch (ts) { case BLOCKED: sb.append("\t- blocked on " + ti.getLockInfo()); sb.append('\n'); break; case WAITING: sb.append("\t- waiting on " + ti.getLockInfo()); sb.append('\n'); break; case TIMED_WAITING: sb.append("\t- waiting on " + ti.getLockInfo()); sb.append('\n'); break; default: } } for (MonitorInfo mi : ti.getLockedMonitors()) { if (mi.getLockedStackDepth() == i) { sb.append("\t- locked " + mi); sb.append('\n'); } } } LockInfo[] locks = ti.getLockedSynchronizers(); if (locks.length > 0) { sb.append("\n\tNumber of locked synchronizers = " + locks.length); sb.append('\n'); for (LockInfo li : locks) { sb.append("\t- " + li); sb.append('\n'); } } sb.append('\n'); return sb.toString(); }
From source file:FullThreadDump.java
private void printThreadInfo(ThreadInfo ti) { // print thread information printThread(ti);/*w w w .j av a 2 s.c o m*/ // print stack trace with locks StackTraceElement[] stacktrace = ti.getStackTrace(); MonitorInfo[] monitors = ti.getLockedMonitors(); for (int i = 0; i < stacktrace.length; i++) { StackTraceElement ste = stacktrace[i]; System.out.println(INDENT + "at " + ste.toString()); for (MonitorInfo mi : monitors) { if (mi.getLockedStackDepth() == i) { System.out.println(INDENT + " - locked " + mi); } } } System.out.println(); }
From source file:com.streamsets.datacollector.bundles.content.SdcInfoContentGenerator.java
public void threadDump(BundleWriter writer) throws IOException { writer.markStartOfFile("runtime/threads.txt"); ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); ThreadInfo[] threads = threadMXBean.dumpAllThreads(true, true); // Sadly we can't easily do info.toString() as the implementation is hardcoded to cut the stack trace only to 8 // items which does not serve our purpose well. Hence we have custom implementation that prints entire stack trace // for all threads. for (ThreadInfo info : threads) { StringBuilder sb = new StringBuilder( "\"" + info.getThreadName() + "\"" + " Id=" + info.getThreadId() + " " + info.getThreadState()); if (info.getLockName() != null) { sb.append(" on " + info.getLockName()); }/* w w w . j a v a 2 s . c om*/ if (info.getLockOwnerName() != null) { sb.append(" owned by \"" + info.getLockOwnerName() + "\" Id=" + info.getLockOwnerId()); } if (info.isSuspended()) { sb.append(" (suspended)"); } if (info.isInNative()) { sb.append(" (in native)"); } sb.append('\n'); int i = 0; for (StackTraceElement ste : info.getStackTrace()) { if (i == 0 && info.getLockInfo() != null) { Thread.State ts = info.getThreadState(); switch (ts) { case BLOCKED: sb.append("\t- blocked on " + info.getLockInfo()); sb.append('\n'); break; case WAITING: sb.append("\t- waiting on " + info.getLockInfo()); sb.append('\n'); break; case TIMED_WAITING: sb.append("\t- waiting on " + info.getLockInfo()); sb.append('\n'); break; default: } } sb.append("\tat " + ste.toString()); sb.append('\n'); i++; for (MonitorInfo mi : info.getLockedMonitors()) { if (mi.getLockedStackDepth() == i) { sb.append("\t- locked " + mi); sb.append('\n'); } } } LockInfo[] locks = info.getLockedSynchronizers(); if (locks.length > 0) { sb.append("\n\tNumber of locked synchronizers = " + locks.length); sb.append('\n'); for (LockInfo li : locks) { sb.append("\t- " + li); sb.append('\n'); } } sb.append('\n'); writer.write(sb.toString()); } writer.markEndOfFile(); }
From source file:FullThreadDump.java
private void printMonitorInfo(ThreadInfo ti, MonitorInfo[] monitors) { System.out.println(INDENT + "Locked monitors: count = " + monitors.length); for (MonitorInfo mi : monitors) { System.out.println(INDENT + " - " + mi + " locked at "); System.out.println(INDENT + " " + mi.getLockedStackDepth() + " " + mi.getLockedStackFrame()); }/*from w w w.j a v a 2 s . co m*/ }
From source file:fullThreadDump.java
private String printThreadInfo(ThreadInfo ti) { // print stack trace with locks StackTraceElement[] stacktrace = ti.getStackTrace(); MonitorInfo[] monitors = ti.getLockedMonitors(); currentThreadInfo result = new currentThreadInfo(ti); StringBuilder threadOutput = new StringBuilder(result.getThreadName()); threadOutput.append(result.getThreadStateDesc()); if (stats == true) { threadOutput.append(result.getThreadStats()); }//from ww w .j a v a 2 s. c o m for (int i = 0; i < stacktrace.length; i++) { StackTraceElement ste = stacktrace[i]; if (i == 0) { threadOutput.append("\n java.lang.Thread.State: " + result.getThreadState()); threadOutput.append("\n" + INDENT + "at " + ste.toString()); if (ste.toString().contains("java.lang.Object.wait(Native Method)") && result.getLockName() != null) { threadOutput.append("\n" + INDENT + "- waiting on " + result.getLockName()); } if (ste.toString().contains("sun.misc.Unsafe.park(Native Method)") && result.getLockName() != null) { threadOutput.append("\n" + INDENT + "- parking to wait for " + result.getLockName()); } if (result.getThreadStateDesc().contains("BLOCKED") && result.getLockName() != null) { threadOutput.append("\n" + INDENT + "- waiting to lock " + result.getLockName()); } } else { threadOutput.append("\n" + INDENT + "at " + ste.toString()); } for (MonitorInfo mi : monitors) { if (mi.getLockedStackDepth() == i) { threadOutput.append("\n" + INDENT + " - locked " + mi); } } } threadOutput.append("\n"); //System.out.print(threadOutput.toString()); //printMonitorInfo(ti, monitors); return threadOutput.toString(); }
From source file:com.thoughtworks.go.server.service.support.ThreadInformationProvider.java
private TreeMap<Long, Map<String, Object>> getStackTraceInformation(ThreadMXBean threadMXBean) { TreeMap<Long, Map<String, Object>> traces = new TreeMap<>(); ThreadInfo[] threadInfos = threadMXBean.dumpAllThreads(true, true); for (ThreadInfo threadInfo : threadInfos) { LinkedHashMap<String, Object> threadStackTrace = new LinkedHashMap<>(); threadStackTrace.put("Id", threadInfo.getThreadId()); threadStackTrace.put("Name", threadInfo.getThreadName()); threadStackTrace.put("State", threadInfo.getThreadState()); LinkedHashMap<String, Object> lockMonitorInfo = new LinkedHashMap<>(); MonitorInfo[] lockedMonitors = threadInfo.getLockedMonitors(); ArrayList<Map<String, Object>> lockedMonitorsJson = new ArrayList<>(); for (MonitorInfo lockedMonitor : lockedMonitors) { LinkedHashMap<String, Object> lockedMonitorJson = new LinkedHashMap<>(); lockedMonitorJson.put("Class", lockedMonitor.getClassName()); lockedMonitorJson.put("IdentityHashCode", lockedMonitor.getIdentityHashCode()); lockedMonitorJson.put("LockedStackDepth", lockedMonitor.getLockedStackDepth()); lockedMonitorJson.put("StackFrame", lockedMonitor.getLockedStackFrame().toString()); lockedMonitorsJson.add(lockedMonitorJson); }//from w w w .j av a 2 s . com lockMonitorInfo.put("Locked Monitors", lockedMonitorsJson); lockMonitorInfo.put("Locked Synchronizers", asJSON(threadInfo.getLockedSynchronizers())); threadStackTrace.put("Lock Monitor Info", lockMonitorInfo); LinkedHashMap<String, Object> blockedInfo = new LinkedHashMap<>(); blockedInfo.put("Blocked Time", threadInfo.getBlockedTime() == -1 ? null : threadInfo.getBlockedTime()); blockedInfo.put("Blocked Count", threadInfo.getBlockedCount()); threadStackTrace.put("Blocked Info", blockedInfo); LinkedHashMap<String, Object> timeInfo = new LinkedHashMap<>(); timeInfo.put("Waited Time", threadInfo.getWaitedTime() == -1 ? null : threadInfo.getWaitedTime()); timeInfo.put("Waited Count", threadInfo.getWaitedCount()); threadStackTrace.put("Time Info", timeInfo); LinkedHashMap<String, Object> lockInfoMap = new LinkedHashMap<>(); LockInfo lockInfo = threadInfo.getLockInfo(); lockInfoMap.put("Locked On", asJSON(lockInfo)); lockInfoMap.put("Lock Owner Thread Id", threadInfo.getLockOwnerId() == -1 ? null : threadInfo.getLockOwnerId()); lockInfoMap.put("Lock Owner Thread Name", threadInfo.getLockOwnerName()); threadStackTrace.put("Lock Info", lockInfoMap); LinkedHashMap<String, Object> stateInfo = new LinkedHashMap<>(); stateInfo.put("Suspended", threadInfo.isSuspended()); stateInfo.put("InNative", threadInfo.isInNative()); threadStackTrace.put("State Info", stateInfo); threadStackTrace.put("Stack Trace", asJSON(threadInfo.getStackTrace())); traces.put(threadInfo.getThreadId(), threadStackTrace); } return traces; }
From source file:fullThreadDump.java
private void printMonitorInfo(ThreadInfo ti, MonitorInfo[] monitors) { System.out.println(INDENT + "Locked monitors: count = " + monitors.length); for (MonitorInfo mi : monitors) { System.out.println(INDENT + " - " + mi + " locked at "); System.out.println(INDENT + " " + mi.getLockedStackDepth() + " " + mi.getLockedStackFrame()); }/* w ww . ja va 2s .co m*/ }
From source file:org.ScripterRon.JavaBitcoin.RpcHandler.java
/** * Process 'getstacktraces' request/*from w w w . ja v a 2s . co m*/ * * Response parameters: * locks - An array of lock objects for locks with waiters * threads - An array of thread objects * * Lock object: * name - Lock class name * hash - Lock identity hash code * thread - Identifier of thread holding the lock * * Monitor object: * name - Monitor class name * hash - Monitor identity hash * depth - Stack depth where monitor locked * trace - Stack element where monitor locked * * Thread object: * blocked - Lock object if thread is waiting on a lock * id - Thread identifier * locks - Array of monitor objects for locks held by this thread * name - Thread name * state - Thread state * trace - Array of stack trace elements * * @return Response as a JSONObject */ private JSONObject getStackTraces() { JSONArray threadsJSON = new JSONArray(); JSONArray locksJSON = new JSONArray(); ThreadMXBean tmxBean = ManagementFactory.getThreadMXBean(); boolean tmxMI = tmxBean.isObjectMonitorUsageSupported(); ThreadInfo[] tList = tmxBean.dumpAllThreads(tmxMI, false); // // Generate the response // for (ThreadInfo tInfo : tList) { JSONObject threadJSON = new JSONObject(); // // General thread information // threadJSON.put("id", tInfo.getThreadId()); threadJSON.put("name", tInfo.getThreadName()); threadJSON.put("state", tInfo.getThreadState().toString()); // // Gather lock usage // if (tmxMI) { MonitorInfo[] mList = tInfo.getLockedMonitors(); if (mList.length > 0) { JSONArray monitorsJSON = new JSONArray(); for (MonitorInfo mInfo : mList) { JSONObject lockJSON = new JSONObject(); lockJSON.put("name", mInfo.getClassName()); lockJSON.put("hash", mInfo.getIdentityHashCode()); lockJSON.put("depth", mInfo.getLockedStackDepth()); lockJSON.put("trace", mInfo.getLockedStackFrame().toString()); monitorsJSON.add(lockJSON); } threadJSON.put("locks", monitorsJSON); } if (tInfo.getThreadState() == Thread.State.BLOCKED) { LockInfo lInfo = tInfo.getLockInfo(); if (lInfo != null) { JSONObject lockJSON = new JSONObject(); lockJSON.put("name", lInfo.getClassName()); lockJSON.put("hash", lInfo.getIdentityHashCode()); lockJSON.put("thread", tInfo.getLockOwnerId()); threadJSON.put("blocked", lockJSON); boolean addLock = true; for (Object lock : locksJSON) { if (((String) ((JSONObject) lock).get("name")).equals(lInfo.getClassName())) { addLock = false; break; } } if (addLock) locksJSON.add(lockJSON); } } } // // Add the stack trace // StackTraceElement[] elements = tInfo.getStackTrace(); JSONArray traceJSON = new JSONArray(); for (StackTraceElement element : elements) traceJSON.add(element.toString()); threadJSON.put("trace", traceJSON); // // Add the thread to the response // threadsJSON.add(threadJSON); } // // Return the response // JSONObject response = new JSONObject(); response.put("threads", threadsJSON); response.put("locks", locksJSON); return response; }