Java Code Examples for java.lang.management.MonitorInfo

The following examples show how to use java.lang.management.MonitorInfo. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source Project: dragonwell8_jdk Source File: ThreadMonitor.java License: GNU General Public License v2.0

6 votes

private void printThreadInfo(ThreadInfo ti) {
   // print thread information
   printThread(ti);

   // 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();
}

Example 2

Source Project: Nukkit Source File: Watchdog.java License: GNU General Public License v3.0

6 votes

private static void dumpThread(ThreadInfo thread, Logger logger) {
    logger.emergency("Current Thread: " + thread.getThreadName());
    logger.emergency("\tPID: " + thread.getThreadId() + " | Suspended: " + thread.isSuspended() + " | Native: " + thread.isInNative() + " | State: " + thread.getThreadState());
    // Monitors
    if (thread.getLockedMonitors().length != 0) {
        logger.emergency("\tThread is waiting on monitor(s):");
        for (MonitorInfo monitor : thread.getLockedMonitors()) {
            logger.emergency("\t\tLocked on:" + monitor.getLockedStackFrame());
        }
    }

    logger.emergency("\tStack:");
    for (StackTraceElement stack : thread.getStackTrace()) {
        logger.emergency("\t\t" + stack);
    }
}

Example 3

Source Project: Kettle Source File: WatchdogThread.java License: GNU General Public License v3.0

6 votes

private static void dumpThread(ThreadInfo thread, Logger log) {
    log.log(Level.SEVERE, "------------------------------");
    //
    log.log(Level.SEVERE, "Current Thread: " + thread.getThreadName());
    log.log(Level.SEVERE, "\tPID: " + thread.getThreadId()
            + " | Suspended: " + thread.isSuspended()
            + " | Native: " + thread.isInNative()
            + " | State: " + thread.getThreadState());
    if (thread.getLockedMonitors().length != 0) {
        log.log(Level.SEVERE, "\tThread is waiting on monitor(s):");
        for (MonitorInfo monitor : thread.getLockedMonitors()) {
            log.log(Level.SEVERE, "\t\tLocked on:" + monitor.getLockedStackFrame());
        }
    }
    log.log(Level.SEVERE, "\tStack:");
    //
    for (StackTraceElement stack : thread.getStackTrace()) {
        log.log(Level.SEVERE, "\t\t" + stack);
    }
}

Example 4

Source Project: tda Source File: MBeanDumper.java License: GNU Lesser General Public License v2.1

6 votes

private void printThreadInfo(ThreadInfo ti, StringBuilder dump) {
   // print thread information
   printThread(ti, dump);

   // 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];
       dump.append(INDENT + "at " + ste.toString());
       dump.append("\n");
       for (int j = 1; j < monitors.length; j++) {
           MonitorInfo mi = monitors[j];
           if (mi.getLockedStackDepth() == i) {
               dump.append(INDENT + "  - locked " + mi);
               dump.append("\n");
           }
       }
   }
   dump.append("\n");
}

Example 5

Source Project: netbeans Source File: Detector.java License: Apache License 2.0

6 votes

private void printThreadInfo(ThreadInfo ti, PrintStream out) {
   printThread(ti, out);

   // 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];
       out.println(INDENT + "at " + ste.toString()); // NOI18N
       for (MonitorInfo mi : monitors) {
           if (mi.getLockedStackDepth() == i) {
               out.println(INDENT + "  - locked " + mi); // NOI18N
           }
       }
   }
   out.println();
}

Example 6

Source Project: netbeans Source File: NbTestCase.java License: Apache License 2.0

6 votes

private static StringBuilder printThreadInfo(ThreadInfo ti, StringBuilder sb) {
    // print thread information
    printThread(ti, sb);

    // 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];
        sb.append("\t at " + ste.toString()).append("\n");
        for (MonitorInfo mi : monitors) {
            if (mi.getLockedStackDepth() == i) {
                sb.append("\t  - locked " + mi).append("\n");
            }
        }
    }
    sb.append("\n");
    return sb;
}

Example 7

Source Project: openjdk-jdk8u-backup Source File: ThreadMonitor.java License: GNU General Public License v2.0

6 votes

private void printThreadInfo(ThreadInfo ti) {
   // print thread information
   printThread(ti);

   // 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();
}

Example 8

Source Project: openjdk-8-source Source File: ThreadMonitor.java License: GNU General Public License v2.0

6 votes

private void printThreadInfo(ThreadInfo ti) {
   // print thread information
   printThread(ti);

   // 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();
}

Example 9

Source Project: jdk8u-dev-jdk Source File: ThreadMonitor.java License: GNU General Public License v2.0

6 votes

private void printThreadInfo(ThreadInfo ti) {
   // print thread information
   printThread(ti);

   // 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();
}

Example 10

Source Project: mapleLemon Source File: DeadlockDetector.java License: GNU General Public License v2.0

6 votes

private void printThreadInfo(ThreadInfo threadInfo) {
    printThread(threadInfo);
    this.sb.append(INDENT).append(threadInfo.toString()).append("\n");
    StackTraceElement[] stacktrace = threadInfo.getStackTrace();
    MonitorInfo[] monitors = threadInfo.getLockedMonitors();

    for (int i = 0; i < stacktrace.length; i++) {
        StackTraceElement ste = stacktrace[i];
        this.sb.append(INDENT).append("at ").append(ste.toString()).append("\n");
        for (MonitorInfo mi : monitors) {
            if (mi.getLockedStackDepth() == i) {
                this.sb.append(INDENT).append("  - locked ").append(mi).append("\n");
            }
        }
    }
}

Example 11

Source Project: hadoop Source File: TimedOutTestsListener.java License: Apache License 2.0

6 votes

private static void printThreadInfo(ThreadInfo ti, PrintWriter out) {
  // print thread information
  printThread(ti, out);

  // 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];
    out.println(INDENT + "at " + ste.toString());
    for (MonitorInfo mi : monitors) {
      if (mi.getLockedStackDepth() == i) {
        out.println(INDENT + "  - locked " + mi);
      }
    }
  }
  out.println();
}

Example 12

Source Project: jdk8u-jdk Source File: ThreadMonitor.java License: GNU General Public License v2.0

6 votes

private void printThreadInfo(ThreadInfo ti) {
   // print thread information
   printThread(ti);

   // 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();
}

Example 13

Source Project: distributedlog Source File: TimedOutTestsListener.java License: Apache License 2.0

6 votes

private static void printThreadInfo(ThreadInfo ti, PrintWriter out) {
    // print thread information
    printThread(ti, out);

    // 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];
        out.println(indent + "at " + ste.toString());
        for (MonitorInfo mi : monitors) {
            if (mi.getLockedStackDepth() == i) {
                out.println(indent + "  - locked " + mi);
            }
        }
    }
    out.println();
}

Example 14

Source Project: jdk8u-jdk Source File: MappedMXBeanType.java License: GNU General Public License v2.0

5 votes

Object toOpenTypeData(Object data) throws OpenDataException {
    if (data instanceof MemoryUsage) {
        return MemoryUsageCompositeData.toCompositeData((MemoryUsage) data);
    }

    if (data instanceof ThreadInfo) {
        return ThreadInfoCompositeData.toCompositeData((ThreadInfo) data);
    }

    if (data instanceof LockInfo) {
        if (data instanceof java.lang.management.MonitorInfo) {
            return MonitorInfoCompositeData.toCompositeData((MonitorInfo) data);
        }
        return LockInfoCompositeData.toCompositeData((LockInfo) data);
    }

    if (data instanceof MemoryNotificationInfo) {
        return MemoryNotifInfoCompositeData.
            toCompositeData((MemoryNotificationInfo) data);
    }

    if (data instanceof VMOption) {
        return VMOptionCompositeData.toCompositeData((VMOption) data);
    }

    if (isCompositeData) {
        // Classes that implement CompositeData
        //
        // construct a new CompositeDataSupport object
        // so that no other classes are sent over the wire
        CompositeData cd = (CompositeData) data;
        CompositeType ct = cd.getCompositeType();
        String[] itemNames = ct.keySet().toArray(new String[0]);
        Object[] itemValues = cd.getAll(itemNames);
        return new CompositeDataSupport(ct, itemNames, itemValues);
    }

    throw new OpenDataException(javaClass.getName() +
        " is not supported for platform MXBeans");
}

Example 15

Source Project: dragonwell8_jdk Source File: MappedMXBeanType.java License: GNU General Public License v2.0

5 votes

Object toOpenTypeData(Object data) throws OpenDataException {
    if (data instanceof MemoryUsage) {
        return MemoryUsageCompositeData.toCompositeData((MemoryUsage) data);
    }

    if (data instanceof ThreadInfo) {
        return ThreadInfoCompositeData.toCompositeData((ThreadInfo) data);
    }

    if (data instanceof LockInfo) {
        if (data instanceof java.lang.management.MonitorInfo) {
            return MonitorInfoCompositeData.toCompositeData((MonitorInfo) data);
        }
        return LockInfoCompositeData.toCompositeData((LockInfo) data);
    }

    if (data instanceof MemoryNotificationInfo) {
        return MemoryNotifInfoCompositeData.
            toCompositeData((MemoryNotificationInfo) data);
    }

    if (data instanceof VMOption) {
        return VMOptionCompositeData.toCompositeData((VMOption) data);
    }

    if (isCompositeData) {
        // Classes that implement CompositeData
        //
        // construct a new CompositeDataSupport object
        // so that no other classes are sent over the wire
        CompositeData cd = (CompositeData) data;
        CompositeType ct = cd.getCompositeType();
        String[] itemNames = ct.keySet().toArray(new String[0]);
        Object[] itemValues = cd.getAll(itemNames);
        return new CompositeDataSupport(ct, itemNames, itemValues);
    }

    throw new OpenDataException(javaClass.getName() +
        " is not supported for platform MXBeans");
}

Example 16

Source Project: dragonwell8_jdk Source File: ThreadInfoCompositeData.java License: GNU General Public License v2.0

5 votes

public MonitorInfo[] lockedMonitors() {
    CompositeData[] lockedMonitorsData =
        (CompositeData[]) cdata.get(LOCKED_MONITORS);

    // The LockedMonitors item cannot be null, but if it is we will get
    // a NullPointerException when we ask for its length.
    MonitorInfo[] monitors =
        new MonitorInfo[lockedMonitorsData.length];
    for (int i = 0; i < lockedMonitorsData.length; i++) {
        CompositeData cdi = lockedMonitorsData[i];
        monitors[i] = MonitorInfo.from(cdi);
    }
    return monitors;
}

Example 17

Source Project: tda Source File: MBeanDumper.java License: GNU Lesser General Public License v2.1

5 votes

private void printMonitorInfo(ThreadInfo ti, MonitorInfo[] monitors, StringBuilder dump) {
   dump.append(INDENT + "Locked monitors: count = " + monitors.length);
    for (int j = 0; j < monitors.length; j++) {
        MonitorInfo mi = monitors[j];
        dump.append(INDENT + "  - " + mi + " locked at \n");
        
        dump.append(INDENT + "      " + mi.getLockedStackDepth() +
                                              " " + mi.getLockedStackFrame());
        dump.append("\n");
   }
}

Example 18

Source Project: jdk8u-dev-jdk Source File: MappedMXBeanType.java License: GNU General Public License v2.0

5 votes

Object toOpenTypeData(Object data) throws OpenDataException {
    if (data instanceof MemoryUsage) {
        return MemoryUsageCompositeData.toCompositeData((MemoryUsage) data);
    }

    if (data instanceof ThreadInfo) {
        return ThreadInfoCompositeData.toCompositeData((ThreadInfo) data);
    }

    if (data instanceof LockInfo) {
        if (data instanceof java.lang.management.MonitorInfo) {
            return MonitorInfoCompositeData.toCompositeData((MonitorInfo) data);
        }
        return LockInfoCompositeData.toCompositeData((LockInfo) data);
    }

    if (data instanceof MemoryNotificationInfo) {
        return MemoryNotifInfoCompositeData.
            toCompositeData((MemoryNotificationInfo) data);
    }

    if (data instanceof VMOption) {
        return VMOptionCompositeData.toCompositeData((VMOption) data);
    }

    if (isCompositeData) {
        // Classes that implement CompositeData
        //
        // construct a new CompositeDataSupport object
        // so that no other classes are sent over the wire
        CompositeData cd = (CompositeData) data;
        CompositeType ct = cd.getCompositeType();
        String[] itemNames = ct.keySet().toArray(new String[0]);
        Object[] itemValues = cd.getAll(itemNames);
        return new CompositeDataSupport(ct, itemNames, itemValues);
    }

    throw new OpenDataException(javaClass.getName() +
        " is not supported for platform MXBeans");
}

Example 19

Source Project: visualvm Source File: ThreadDumpWindow.java License: GNU General Public License v2.0

5 votes

private void printMonitors(final StringBuilder sb, final MonitorInfo[] monitors, final int index) {
    if (monitors != null) {
        for (MonitorInfo mi : monitors) {
            if (mi.getLockedStackDepth() == index) {
                sb.append("    - locked ");   // NOI18N
                printLock(sb, mi);
                sb.append("<br>");    // NOI18N
            }
        }
    }
}

Example 20

Source Project: TencentKona-8 Source File: MappedMXBeanType.java License: GNU General Public License v2.0

5 votes

Object toOpenTypeData(Object data) throws OpenDataException {
    if (data instanceof MemoryUsage) {
        return MemoryUsageCompositeData.toCompositeData((MemoryUsage) data);
    }

    if (data instanceof ThreadInfo) {
        return ThreadInfoCompositeData.toCompositeData((ThreadInfo) data);
    }

    if (data instanceof LockInfo) {
        if (data instanceof java.lang.management.MonitorInfo) {
            return MonitorInfoCompositeData.toCompositeData((MonitorInfo) data);
        }
        return LockInfoCompositeData.toCompositeData((LockInfo) data);
    }

    if (data instanceof MemoryNotificationInfo) {
        return MemoryNotifInfoCompositeData.
            toCompositeData((MemoryNotificationInfo) data);
    }

    if (data instanceof VMOption) {
        return VMOptionCompositeData.toCompositeData((VMOption) data);
    }

    if (isCompositeData) {
        // Classes that implement CompositeData
        //
        // construct a new CompositeDataSupport object
        // so that no other classes are sent over the wire
        CompositeData cd = (CompositeData) data;
        CompositeType ct = cd.getCompositeType();
        String[] itemNames = ct.keySet().toArray(new String[0]);
        Object[] itemValues = cd.getAll(itemNames);
        return new CompositeDataSupport(ct, itemNames, itemValues);
    }

    throw new OpenDataException(javaClass.getName() +
        " is not supported for platform MXBeans");
}

Example 21

Source Project: TencentKona-8 Source File: ThreadInfoCompositeData.java License: GNU General Public License v2.0

5 votes

public MonitorInfo[] lockedMonitors() {
    CompositeData[] lockedMonitorsData =
        (CompositeData[]) cdata.get(LOCKED_MONITORS);

    // The LockedMonitors item cannot be null, but if it is we will get
    // a NullPointerException when we ask for its length.
    MonitorInfo[] monitors =
        new MonitorInfo[lockedMonitorsData.length];
    for (int i = 0; i < lockedMonitorsData.length; i++) {
        CompositeData cdi = lockedMonitorsData[i];
        monitors[i] = MonitorInfo.from(cdi);
    }
    return monitors;
}

Example 22

Source Project: swift-k Source File: HangChecker.java License: Apache License 2.0

5 votes

private void printThreadInfo(PrintStream pw, ThreadInfo ti) {
    pw.println("\tThread \"" + ti.getThreadName() + "\" (" + hex(ti.getThreadId()) + ") " + ti.getThreadState());
    LockInfo l = ti.getLockInfo();
    if (l != null) {
        pw.println("\t\twaiting for " + format(l) + 
                (ti.getLockOwnerName() == null ? "" : " held by " + ti.getLockOwnerName() + " (" + hex(ti.getLockOwnerId()) + ")"));
    }
    Map<StackTraceElement, MonitorInfo> mlocs = new HashMap<StackTraceElement, MonitorInfo>();
    MonitorInfo[] mis = ti.getLockedMonitors();
    if (mis.length > 0) {
        pw.println("\tMonitors held:");
        for (MonitorInfo mi : mis) {
            mlocs.put(mi.getLockedStackFrame(), mi);
            pw.println("\t\t" + format(mi));
        }
    }
    LockInfo[] lis = ti.getLockedSynchronizers();
    if (lis.length > 0) {
        pw.println("\tSynchronizers held:");
        for (LockInfo li : lis) {
            pw.println("\t\t" + format(li));
        }
    }
    pw.println("\tStack trace:");
    StackTraceElement[] stes = ti.getStackTrace();
    for (StackTraceElement ste : stes) {
        pw.print("\t\t" + ste.getClassName() + "." + ste.getMethodName() + formatLineNumber(":", ste.getLineNumber()));
        if (mlocs.containsKey(ste)) {
            pw.print(" -> locked " + format(mlocs.get(ste)));
        }
        pw.println();
    }
    pw.println();
}

Example 23

Source Project: hottub Source File: ThreadInfoCompositeData.java License: GNU General Public License v2.0

5 votes

public MonitorInfo[] lockedMonitors() {
    CompositeData[] lockedMonitorsData =
        (CompositeData[]) cdata.get(LOCKED_MONITORS);

    // The LockedMonitors item cannot be null, but if it is we will get
    // a NullPointerException when we ask for its length.
    MonitorInfo[] monitors =
        new MonitorInfo[lockedMonitorsData.length];
    for (int i = 0; i < lockedMonitorsData.length; i++) {
        CompositeData cdi = lockedMonitorsData[i];
        monitors[i] = MonitorInfo.from(cdi);
    }
    return monitors;
}

Example 24

Source Project: jdk8u60 Source File: ThreadMonitor.java License: GNU General Public License v2.0

5 votes

private void printMonitorInfo(ThreadInfo ti) {
   MonitorInfo[] monitors = ti.getLockedMonitors();
   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());
   }
}

Example 25

Source Project: openjdk-8 Source File: ThreadInfoCompositeData.java License: GNU General Public License v2.0

5 votes

public MonitorInfo[] lockedMonitors() {
    CompositeData[] lockedMonitorsData =
        (CompositeData[]) cdata.get(LOCKED_MONITORS);

    // The LockedMonitors item cannot be null, but if it is we will get
    // a NullPointerException when we ask for its length.
    MonitorInfo[] monitors =
        new MonitorInfo[lockedMonitorsData.length];
    for (int i = 0; i < lockedMonitorsData.length; i++) {
        CompositeData cdi = lockedMonitorsData[i];
        monitors[i] = MonitorInfo.from(cdi);
    }
    return monitors;
}

Example 26

Source Project: jdk8u-jdk Source File: ThreadMonitor.java License: GNU General Public License v2.0

5 votes

private void printMonitorInfo(ThreadInfo ti) {
   MonitorInfo[] monitors = ti.getLockedMonitors();
   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());
   }
}

Example 27

Source Project: jdk8u60 Source File: ThreadInfoCompositeData.java License: GNU General Public License v2.0

5 votes

public MonitorInfo[] lockedMonitors() {
    CompositeData[] lockedMonitorsData =
        (CompositeData[]) cdata.get(LOCKED_MONITORS);

    // The LockedMonitors item cannot be null, but if it is we will get
    // a NullPointerException when we ask for its length.
    MonitorInfo[] monitors =
        new MonitorInfo[lockedMonitorsData.length];
    for (int i = 0; i < lockedMonitorsData.length; i++) {
        CompositeData cdi = lockedMonitorsData[i];
        monitors[i] = MonitorInfo.from(cdi);
    }
    return monitors;
}

Example 28

Source Project: openjdk-jdk8u Source File: ThreadMonitor.java License: GNU General Public License v2.0

5 votes

private void printMonitorInfo(ThreadInfo ti) {
   MonitorInfo[] monitors = ti.getLockedMonitors();
   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());
   }
}

Example 29

Source Project: dsl-devkit Source File: TestRunRecording.java License: Eclipse Public License 1.0

5 votes

/**
 * Prints the owned locks for the thread.
 * Must have explicitly obtained Monitor and Synchronizer information for anything to show up from here.
 *
 * @param info
 *          the {@code:ThreadInfo} for the thread in question, must not be {@code:null}
 * @return the owned lock information
 */
private static String getOwnedLockInfo(final ThreadInfo info) {
  StringBuilder trace = new StringBuilder("  Holding locks for:\r\n");
  for (LockInfo lock : info.getLockedSynchronizers()) {
    trace.append("    " + lock.toString() + "\r\n");
  }
  for (MonitorInfo monitor : info.getLockedMonitors()) {
    trace.append("    " + monitor.toString() + "\r\n");
  }
  return trace.toString();
}

Example 30

Source Project: openjdk-8 Source File: ThreadMonitor.java License: GNU General Public License v2.0

5 votes

private void printMonitorInfo(ThreadInfo ti) {
   MonitorInfo[] monitors = ti.getLockedMonitors();
   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());
   }
}