List of usage examples for java.lang.management ThreadInfo getThreadId
public long getThreadId()
From source file:Main.java
public static void printThreadInfo(ThreadInfo info, StringBuilder builder) { builder.append("Thread ").append(info.getThreadName()).append("\" (").append(info.getThreadId()) .append(") -- "); formatState(builder, info);//from w w w .java2 s .co m if (info.isSuspended()) { builder.append(" (suspended)"); } if (info.isInNative()) { builder.append(" (in native)"); } builder.append("\n"); // The waited lock. LockInfo li = info.getLockInfo(); if (li != null) { builder.append("Waiting for "); formatLock(builder, li); if (info.getLockOwnerName() != null) { builder.append(" owned by ").append(info.getLockOwnerName()).append("(") .append(info.getLockOwnerId()).append(")"); } builder.append("\n"); } // The stack builder.append("Stack:\n"); printStack(info, builder, getStackForThread(info.getThreadId())); }
From source file:Main.java
/** * Get the thread for the given thread info. A null * is returned if the thread cannot be found. * * @param info the thread info to search for * @return the thread, or null if not found * @throws NullPointerException// w w w . j a v a2 s . com * if info is null */ public static Thread getThread(final ThreadInfo info) { if (info == null) throw new NullPointerException("Null info"); return getThread(info.getThreadId()); }
From source file:ReflectionUtils.java
/** * Print all of the thread's information and stack traces. * // www . j a v a 2 s.c o m * @param stream * the stream to * @param title * a string title for the stack trace */ public static void printThreadInfo(PrintWriter stream, String title) { final int STACK_DEPTH = 20; 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(); }
From source file:Main.java
/** * Get the thread for the given thread info. A null is returned if the * thread cannot be found./*from w w w . j a va2 s . com*/ * * @param info * the thread info to search for * @return the thread, or null if not found * @throws NullPointerException * if info is null */ public static Thread getThread(final ThreadInfo info) { if (info == null) { throw new NullPointerException("Null info"); } return getThread(info.getThreadId()); }
From source file:org.apache.hadoop.hbase.util.ReflectionUtils.java
/** * Print all of the thread's information and stack traces. * * @param stream the stream to// w w w . j a va 2s .com * @param title a string title for the stack trace */ private static void printThreadInfo(PrintStream stream, String title) { final int STACK_DEPTH = 20; 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(); }
From source file:org.apache.hama.util.ReflectionUtils.java
/** * Print all of the thread's information and stack traces. * /* ww w . j ava 2 s . c o m*/ * @param stream the stream to * @param title a string title for the stack trace */ public synchronized static void printThreadInfo(PrintWriter stream, String title) { final int STACK_DEPTH = 20; 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(); }
From source file:EventDispatchThreadHangMonitor.java
private static void checkForDeadlock() { ThreadMXBean threadBean = ManagementFactory.getThreadMXBean(); long[] threadIds = threadBean.findMonitorDeadlockedThreads(); if (threadIds == null) { return;// w ww . j a va 2 s .co m } Log.warn("deadlock detected involving the following threads:"); ThreadInfo[] threadInfos = threadBean.getThreadInfo(threadIds, Integer.MAX_VALUE); for (ThreadInfo info : threadInfos) { Log.warn("Thread #" + info.getThreadId() + " " + info.getThreadName() + " (" + info.getThreadState() + ") waiting on " + info.getLockName() + " held by " + info.getLockOwnerName() + stackTraceToString(info.getStackTrace())); } }
From source file:org.apache.hadoop.util.ReflectionUtils.java
/** * Print all of the thread's information and stack traces. * * @param stream the stream to//from w w w.j a va 2 s . c o m * @param title a string title for the stack trace */ public static synchronized void printThreadInfo(PrintWriter stream, String title) { final int stackDepth = 20; 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, stackDepth); 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(); }
From source file:com.buaa.cfs.utils.ReflectionUtils.java
/** * Print all of the thread's information and stack traces. * * @param stream the stream to//from w w w. j a va2 s . c o m * @param title a string title for the stack trace */ public synchronized static void printThreadInfo(PrintStream stream, String title) { final int STACK_DEPTH = 20; 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(); }
From source file:com.alicloud.tablestore.adaptor.client.IntegratedTest.java
public static void printThreadInfo() { String title = "Automatic Stack Trace"; PrintWriter stream = new PrintWriter(System.out); int STACK_DEPTH = 20; 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, 20); if (info == null) { stream.println(" Inactive"); } else {/*from w ww. java 2 s. c o m*/ 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(); }