# HG changeset patch # User dcubed # Date 1568854153 14400 # Node ID 778fc2dcbdaa8981e07e929a2cacef979c72261e # Parent ee37c9b2eb616efaeefa189bd18b545688f0adff 8231210: [BACKOUT] JDK-8207266 ThreadMXBean::getThreadAllocatedBytes() can be quicker for self thread Reviewed-by: phh, dholmes diff -r ee37c9b2eb61 -r 778fc2dcbdaa src/hotspot/share/include/jmm.h --- a/src/hotspot/share/include/jmm.h Wed Sep 18 17:31:35 2019 -0400 +++ b/src/hotspot/share/include/jmm.h Wed Sep 18 20:49:13 2019 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -239,9 +239,6 @@ jobject (JNICALL *GetMemoryPoolUsage) (JNIEnv* env, jobject pool); jobject (JNICALL *GetPeakMemoryPoolUsage) (JNIEnv* env, jobject pool); - jlong (JNICALL *GetOneThreadAllocatedMemory) - (JNIEnv *env, - jlong thread_id); void (JNICALL *GetThreadAllocatedMemory) (JNIEnv *env, jlongArray ids, diff -r ee37c9b2eb61 -r 778fc2dcbdaa src/hotspot/share/services/management.cpp --- a/src/hotspot/share/services/management.cpp Wed Sep 18 17:31:35 2019 -0400 +++ b/src/hotspot/share/services/management.cpp Wed Sep 18 20:49:13 2019 -0400 @@ -2068,31 +2068,6 @@ } #endif // INCLUDE_MANAGEMENT -// Gets the amount of memory allocated on the Java heap for a single thread. -// Returns -1 if the thread does not exist or has terminated. -JVM_ENTRY(jlong, jmm_GetOneThreadAllocatedMemory(JNIEnv *env, jlong thread_id)) - if (thread_id < 0) { - THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(), - "Invalid thread ID", -1); - } - - if (thread_id == 0) { - // current thread - if (THREAD->is_Java_thread()) { - return ((JavaThread*)THREAD)->cooked_allocated_bytes(); - } - return -1; - } - - ThreadsListHandle tlh; - JavaThread* java_thread = tlh.list()->find_JavaThread_from_java_tid(thread_id); - - if (java_thread != NULL) { - return java_thread->cooked_allocated_bytes(); - } - return -1; -JVM_END - // Gets an array containing the amount of memory allocated on the Java // heap for a set of threads (in bytes). Each element of the array is // the amount of memory allocated for the thread ID specified in the @@ -2217,7 +2192,6 @@ jmm_GetMemoryManagers, jmm_GetMemoryPoolUsage, jmm_GetPeakMemoryPoolUsage, - jmm_GetOneThreadAllocatedMemory, jmm_GetThreadAllocatedMemory, jmm_GetMemoryUsage, jmm_GetLongAttribute, diff -r ee37c9b2eb61 -r 778fc2dcbdaa src/java.management/share/classes/java/lang/management/ThreadMXBean.java --- a/src/java.management/share/classes/java/lang/management/ThreadMXBean.java Wed Sep 18 17:31:35 2019 -0400 +++ b/src/java.management/share/classes/java/lang/management/ThreadMXBean.java Wed Sep 18 20:49:13 2019 -0400 @@ -160,7 +160,7 @@ * * @return an array of {@code long}, each is a thread ID. * - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). */ @@ -199,7 +199,7 @@ * it does not exist. * * @throws IllegalArgumentException if {@code id <= 0}. - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). */ @@ -237,7 +237,7 @@ * * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <= 0}. - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). */ @@ -284,7 +284,7 @@ * * @throws IllegalArgumentException if {@code id <= 0}. * @throws IllegalArgumentException if {@code maxDepth is negative}. - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). * @@ -337,7 +337,7 @@ * @throws IllegalArgumentException if {@code maxDepth is negative}. * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <= 0}. - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). * @@ -360,7 +360,7 @@ * @return {@code true} if thread contention monitoring is enabled; * {@code false} otherwise. * - * @throws UnsupportedOperationException if the Java virtual + * @throws java.lang.UnsupportedOperationException if the Java virtual * machine does not support thread contention monitoring. * * @see #isThreadContentionMonitoringSupported @@ -374,10 +374,10 @@ * @param enable {@code true} to enable; * {@code false} to disable. * - * @throws UnsupportedOperationException if the Java + * @throws java.lang.UnsupportedOperationException if the Java * virtual machine does not support thread contention monitoring. * - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("control"). * @@ -394,7 +394,7 @@ * the current thread has executed in user mode or system mode. * *

- * This is a convenience method for local management use and is + * This is a convenient method for local management use and is * equivalent to calling: *

      *   {@link #getThreadCpuTime getThreadCpuTime}(Thread.currentThread().getId());
@@ -403,7 +403,7 @@
      * @return the total CPU time for the current thread if CPU time
      * measurement is enabled; {@code -1} otherwise.
      *
-     * @throws UnsupportedOperationException if the Java
+     * @throws java.lang.UnsupportedOperationException if the Java
      * virtual machine does not support CPU time measurement for
      * the current thread.
      *
@@ -421,7 +421,7 @@
      * not necessarily nanoseconds accuracy.
      *
      * 

- * This is a convenience method for local management use and is + * This is a convenient method for local management use and is * equivalent to calling: *

      *   {@link #getThreadUserTime getThreadUserTime}(Thread.currentThread().getId());
@@ -430,7 +430,7 @@
      * @return the user-level CPU time for the current thread if CPU time
      * measurement is enabled; {@code -1} otherwise.
      *
-     * @throws UnsupportedOperationException if the Java
+     * @throws java.lang.UnsupportedOperationException if the Java
      * virtual machine does not support CPU time measurement for
      * the current thread.
      *
@@ -467,7 +467,7 @@
      * {@code -1} otherwise.
      *
      * @throws IllegalArgumentException if {@code id <= 0}.
-     * @throws UnsupportedOperationException if the Java
+     * @throws java.lang.UnsupportedOperationException if the Java
      * virtual machine does not support CPU time measurement for
      * other threads.
      *
@@ -502,7 +502,7 @@
      * {@code -1} otherwise.
      *
      * @throws IllegalArgumentException if {@code id <= 0}.
-     * @throws UnsupportedOperationException if the Java
+     * @throws java.lang.UnsupportedOperationException if the Java
      * virtual machine does not support CPU time measurement for
      * other threads.
      *
@@ -548,7 +548,7 @@
      * @return {@code true} if thread CPU time measurement is enabled;
      *         {@code false} otherwise.
      *
-     * @throws UnsupportedOperationException if the Java virtual
+     * @throws java.lang.UnsupportedOperationException if the Java virtual
      * machine does not support CPU time measurement for other threads
      * nor for the current thread.
      *
@@ -564,11 +564,11 @@
      * @param enable {@code true} to enable;
      *               {@code false} to disable.
      *
-     * @throws UnsupportedOperationException if the Java
+     * @throws java.lang.UnsupportedOperationException if the Java
      * virtual machine does not support CPU time measurement for
      * any threads nor for the current thread.
      *
-     * @throws SecurityException if a security manager
+     * @throws java.lang.SecurityException if a security manager
      *         exists and the caller does not have
      *         ManagementPermission("control").
      *
@@ -604,7 +604,7 @@
      * @return an array of IDs of the threads that are monitor
      * deadlocked, if any; {@code null} otherwise.
      *
-     * @throws SecurityException if a security manager
+     * @throws java.lang.SecurityException if a security manager
      *         exists and the caller does not have
      *         ManagementPermission("monitor").
      *
@@ -616,7 +616,7 @@
      * Resets the peak thread count to the current number of
      * live threads.
      *
-     * @throws SecurityException if a security manager
+     * @throws java.lang.SecurityException if a security manager
      *         exists and the caller does not have
      *         ManagementPermission("control").
      *
@@ -642,10 +642,10 @@
      * deadlocked waiting for object monitors or ownable synchronizers, if any;
      * {@code null} otherwise.
      *
-     * @throws SecurityException if a security manager
+     * @throws java.lang.SecurityException if a security manager
      *         exists and the caller does not have
      *         ManagementPermission("monitor").
-     * @throws UnsupportedOperationException if the Java virtual
+     * @throws java.lang.UnsupportedOperationException if the Java virtual
      * machine does not support monitoring of ownable synchronizer usage.
      *
      * @see #isSynchronizerUsageSupported
@@ -704,10 +704,10 @@
      * information about a thread whose ID is in the corresponding
      * element of the input array of IDs.
      *
-     * @throws SecurityException if a security manager
+     * @throws java.lang.SecurityException if a security manager
      *         exists and the caller does not have
      *         ManagementPermission("monitor").
-     * @throws UnsupportedOperationException
+     * @throws java.lang.UnsupportedOperationException
      *         
    *
  • if {@code lockedMonitors} is {@code true} but * the Java virtual machine does not support monitoring @@ -794,10 +794,10 @@ * element of the input array of IDs. * * @throws IllegalArgumentException if {@code maxDepth} is negative. - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). - * @throws UnsupportedOperationException + * @throws java.lang.UnsupportedOperationException *
      *
    • if {@code lockedMonitors} is {@code true} but * the Java virtual machine does not support monitoring @@ -835,10 +835,10 @@ * * @return an array of {@link ThreadInfo} for all live threads. * - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). - * @throws UnsupportedOperationException + * @throws java.lang.UnsupportedOperationException *
        *
      • if {@code lockedMonitors} is {@code true} but * the Java virtual machine does not support monitoring @@ -884,10 +884,10 @@ * @return an array of {@link ThreadInfo} for all live threads. * * @throws IllegalArgumentException if {@code maxDepth} is negative. - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("monitor"). - * @throws UnsupportedOperationException + * @throws java.lang.UnsupportedOperationException *
          *
        • if {@code lockedMonitors} is {@code true} but * the Java virtual machine does not support monitoring diff -r ee37c9b2eb61 -r 778fc2dcbdaa src/java.management/share/classes/sun/management/ThreadImpl.java --- a/src/java.management/share/classes/sun/management/ThreadImpl.java Wed Sep 18 17:31:35 2019 -0400 +++ b/src/java.management/share/classes/sun/management/ThreadImpl.java Wed Sep 18 20:49:13 2019 -0400 @@ -29,7 +29,6 @@ import java.lang.management.ThreadInfo; import java.lang.management.ThreadMXBean; import javax.management.ObjectName; -import java.util.Objects; /** * Implementation for java.lang.management.ThreadMXBean as well as providing the @@ -113,15 +112,11 @@ return cpuTimeEnabled; } - private void ensureThreadAllocatedMemorySupported() { + protected boolean isThreadAllocatedMemoryEnabled() { if (!isThreadAllocatedMemorySupported()) { throw new UnsupportedOperationException( - "Thread allocated memory measurement is not supported."); + "Thread allocated memory measurement is not supported"); } - } - - protected boolean isThreadAllocatedMemoryEnabled() { - ensureThreadAllocatedMemorySupported(); return allocatedMemoryEnabled; } @@ -160,18 +155,16 @@ return getThreadInfo(ids, 0); } - private void verifyThreadId(long id) { - if (id <= 0) { - throw new IllegalArgumentException( - "Invalid thread ID parameter: " + id); + private void verifyThreadIds(long[] ids) { + if (ids == null) { + throw new NullPointerException("Null ids parameter."); } - } - - private void verifyThreadIds(long[] ids) { - Objects.requireNonNull(ids); for (int i = 0; i < ids.length; i++) { - verifyThreadId(ids[i]); + if (ids[i] <= 0) { + throw new IllegalArgumentException( + "Invalid thread ID parameter: " + ids[i]); + } } } @@ -349,41 +342,26 @@ } } - protected long getCurrentThreadAllocatedBytes() { - if (isThreadAllocatedMemoryEnabled()) { - return getThreadAllocatedMemory0(0); - } - return -1; - } - - private boolean verifyThreadAllocatedMemory(long id) { - verifyThreadId(id); - return isThreadAllocatedMemoryEnabled(); - } - protected long getThreadAllocatedBytes(long id) { - boolean verified = verifyThreadAllocatedMemory(id); - - if (verified) { - return getThreadAllocatedMemory0( - Thread.currentThread().getId() == id ? 0 : id); - } - return -1; + long[] ids = new long[1]; + ids[0] = id; + final long[] sizes = getThreadAllocatedBytes(ids); + return sizes[0]; } private boolean verifyThreadAllocatedMemory(long[] ids) { verifyThreadIds(ids); + + // check if Thread allocated memory measurement is supported. + if (!isThreadAllocatedMemorySupported()) { + throw new UnsupportedOperationException( + "Thread allocated memory measurement is not supported."); + } + return isThreadAllocatedMemoryEnabled(); } protected long[] getThreadAllocatedBytes(long[] ids) { - Objects.requireNonNull(ids); - - if (ids.length == 1) { - long size = getThreadAllocatedBytes(ids[0]); - return new long[] { size }; - } - boolean verified = verifyThreadAllocatedMemory(ids); long[] sizes = new long[ids.length]; @@ -396,7 +374,10 @@ } protected void setThreadAllocatedMemoryEnabled(boolean enable) { - ensureThreadAllocatedMemorySupported(); + if (!isThreadAllocatedMemorySupported()) { + throw new UnsupportedOperationException( + "Thread allocated memory measurement is not supported."); + } Util.checkControlAccess(); synchronized (this) { @@ -530,7 +511,6 @@ private static native void getThreadTotalCpuTime1(long[] ids, long[] result); private static native long getThreadUserCpuTime0(long id); private static native void getThreadUserCpuTime1(long[] ids, long[] result); - private static native long getThreadAllocatedMemory0(long id); private static native void getThreadAllocatedMemory1(long[] ids, long[] result); private static native void setThreadCpuTimeEnabled0(boolean enable); private static native void setThreadAllocatedMemoryEnabled0(boolean enable); diff -r ee37c9b2eb61 -r 778fc2dcbdaa src/java.management/share/native/libmanagement/ThreadImpl.c --- a/src/java.management/share/native/libmanagement/ThreadImpl.c Wed Sep 18 17:31:35 2019 -0400 +++ b/src/java.management/share/native/libmanagement/ThreadImpl.c Wed Sep 18 20:49:13 2019 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -94,13 +94,6 @@ JNI_FALSE /* user */); } -JNIEXPORT jlong JNICALL -Java_sun_management_ThreadImpl_getThreadAllocatedMemory0 - (JNIEnv *env, jclass cls, jlong tid) -{ - return jmm_interface->GetOneThreadAllocatedMemory(env, tid); -} - JNIEXPORT void JNICALL Java_sun_management_ThreadImpl_getThreadAllocatedMemory1 (JNIEnv *env, jclass cls, jlongArray ids, jlongArray sizeArray) diff -r ee37c9b2eb61 -r 778fc2dcbdaa src/jdk.management/share/classes/com/sun/management/ThreadMXBean.java --- a/src/jdk.management/share/classes/com/sun/management/ThreadMXBean.java Wed Sep 18 17:31:35 2019 -0400 +++ b/src/jdk.management/share/classes/com/sun/management/ThreadMXBean.java Wed Sep 18 20:49:13 2019 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -61,7 +61,7 @@ * @throws NullPointerException if {@code ids} is {@code null} * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <=} {@code 0}. - * @throws UnsupportedOperationException if the Java + * @throws java.lang.UnsupportedOperationException if the Java * virtual machine implementation does not support CPU time * measurement. * @@ -95,7 +95,7 @@ * @throws NullPointerException if {@code ids} is {@code null} * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <=} {@code 0}. - * @throws UnsupportedOperationException if the Java + * @throws java.lang.UnsupportedOperationException if the Java * virtual machine implementation does not support CPU time * measurement. * @@ -109,44 +109,13 @@ /** * Returns an approximation of the total amount of memory, in bytes, - * allocated in heap memory for the current thread. - * The returned value is an approximation because some Java virtual machine - * implementations may use object allocation mechanisms that result in a - * delay between the time an object is allocated and the time its size is - * recorded. - * - *

          - * This is a convenience method for local management use and is - * equivalent to calling: - *

          -     *   {@link #getThreadAllocatedBytes getThreadAllocatedBytes}(Thread.currentThread().getId());
          -     * 
          - * - * @return an approximation of the total memory allocated, in bytes, in - * heap memory for the current thread - * if thread memory allocation measurement is enabled; - * {@code -1} otherwise. - * - * @throws UnsupportedOperationException if the Java virtual - * machine implementation does not support thread memory allocation - * measurement. - * - * @see #isThreadAllocatedMemorySupported - * @see #isThreadAllocatedMemoryEnabled - * @see #setThreadAllocatedMemoryEnabled - * @since 14 - */ - public long getCurrentThreadAllocatedBytes(); - - /** - * Returns an approximation of the total amount of memory, in bytes, - * allocated in heap memory for the thread with the specified ID. + * allocated in heap memory for the thread of the specified ID. * The returned value is an approximation because some Java virtual machine * implementations may use object allocation mechanisms that result in a * delay between the time an object is allocated and the time its size is * recorded. *

          - * If the thread with the specified ID is not alive or does not exist, + * If the thread of the specified ID is not alive or does not exist, * this method returns {@code -1}. If thread memory allocation measurement * is disabled, this method returns {@code -1}. * A thread is alive if it has been started and has not yet died. @@ -158,13 +127,13 @@ * * @param id the thread ID of a thread * @return an approximation of the total memory allocated, in bytes, in - * heap memory for the thread with the specified ID - * if the thread with the specified ID exists, the thread is alive, + * heap memory for a thread of the specified ID + * if the thread of the specified ID exists, the thread is alive, * and thread memory allocation measurement is enabled; * {@code -1} otherwise. * * @throws IllegalArgumentException if {@code id} {@code <=} {@code 0}. - * @throws UnsupportedOperationException if the Java virtual + * @throws java.lang.UnsupportedOperationException if the Java virtual * machine implementation does not support thread memory allocation * measurement. * @@ -196,7 +165,7 @@ * @throws NullPointerException if {@code ids} is {@code null} * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <=} {@code 0}. - * @throws UnsupportedOperationException if the Java virtual + * @throws java.lang.UnsupportedOperationException if the Java virtual * machine implementation does not support thread memory allocation * measurement. * @@ -225,7 +194,7 @@ * @return {@code true} if thread memory allocation measurement is enabled; * {@code false} otherwise. * - * @throws UnsupportedOperationException if the Java virtual + * @throws java.lang.UnsupportedOperationException if the Java virtual * machine does not support thread memory allocation measurement. * * @see #isThreadAllocatedMemorySupported @@ -239,10 +208,10 @@ * @param enable {@code true} to enable; * {@code false} to disable. * - * @throws UnsupportedOperationException if the Java virtual + * @throws java.lang.UnsupportedOperationException if the Java virtual * machine does not support thread memory allocation measurement. * - * @throws SecurityException if a security manager + * @throws java.lang.SecurityException if a security manager * exists and the caller does not have * ManagementPermission("control"). * diff -r ee37c9b2eb61 -r 778fc2dcbdaa src/jdk.management/share/classes/com/sun/management/internal/HotSpotThreadImpl.java --- a/src/jdk.management/share/classes/com/sun/management/internal/HotSpotThreadImpl.java Wed Sep 18 17:31:35 2019 -0400 +++ b/src/jdk.management/share/classes/com/sun/management/internal/HotSpotThreadImpl.java Wed Sep 18 20:49:13 2019 -0400 @@ -58,11 +58,6 @@ } @Override - public long getCurrentThreadAllocatedBytes() { - return super.getCurrentThreadAllocatedBytes(); - } - - @Override public long getThreadAllocatedBytes(long id) { return super.getThreadAllocatedBytes(id); } diff -r ee37c9b2eb61 -r 778fc2dcbdaa test/jdk/com/sun/management/ThreadMXBean/ThreadAllocatedMemory.java --- a/test/jdk/com/sun/management/ThreadMXBean/ThreadAllocatedMemory.java Wed Sep 18 17:31:35 2019 -0400 +++ b/test/jdk/com/sun/management/ThreadMXBean/ThreadAllocatedMemory.java Wed Sep 18 20:49:13 2019 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -23,7 +23,7 @@ /* * @test - * @bug 6173675 8207266 + * @bug 6173675 * @summary Basic test of ThreadMXBean.getThreadAllocatedBytes * @author Paul Hohensee */ @@ -33,8 +33,9 @@ public class ThreadAllocatedMemory { private static com.sun.management.ThreadMXBean mbean = (com.sun.management.ThreadMXBean)ManagementFactory.getThreadMXBean(); - private static volatile boolean done = false; - private static volatile boolean done1 = false; + private static boolean testFailed = false; + private static boolean done = false; + private static boolean done1 = false; private static Object obj = new Object(); private static final int NUM_THREADS = 10; private static Thread[] threads = new Thread[NUM_THREADS]; @@ -43,22 +44,6 @@ public static void main(String[] argv) throws Exception { - testSupportEnableDisable(); - - // Test current thread two ways - testGetCurrentThreadAllocatedBytes(); - testCurrentThreadGetThreadAllocatedBytes(); - - // Test a single thread that is not this one - testGetThreadAllocatedBytes(); - - // Test many threads that are not this one - testGetThreadsAllocatedBytes(); - - System.out.println("Test passed"); - } - - private static void testSupportEnableDisable() { if (!mbean.isThreadAllocatedMemorySupported()) { return; } @@ -73,7 +58,10 @@ "ThreadAllocatedMemory is expected to be disabled"); } - long s = mbean.getCurrentThreadAllocatedBytes(); + Thread curThread = Thread.currentThread(); + long id = curThread.getId(); + + long s = mbean.getThreadAllocatedBytes(id); if (s != -1) { throw new RuntimeException( "Invalid ThreadAllocatedBytes returned = " + @@ -89,106 +77,63 @@ throw new RuntimeException( "ThreadAllocatedMemory is expected to be enabled"); } - } - - private static void testGetCurrentThreadAllocatedBytes() { - long size = mbean.getCurrentThreadAllocatedBytes(); - ensureValidSize(size); - - // do some more allocation - doit(); - - checkResult(Thread.currentThread(), size, - mbean.getCurrentThreadAllocatedBytes()); - } - - private static void testCurrentThreadGetThreadAllocatedBytes() { - Thread curThread = Thread.currentThread(); - long id = curThread.getId(); long size = mbean.getThreadAllocatedBytes(id); - ensureValidSize(size); + // implementation could have started measurement when + // measurement was enabled, in which case size can be 0 + if (size < 0) { + throw new RuntimeException( + "Invalid allocated bytes returned = " + size); + } - // do some more allocation doit(); - checkResult(curThread, size, mbean.getThreadAllocatedBytes(id)); - } + // Expected to be size1 >= size + long size1 = mbean.getThreadAllocatedBytes(id); + if (size1 < size) { + throw new RuntimeException("Allocated bytes " + size1 + + " expected >= " + size); + } + System.out.println(curThread.getName() + + " Current thread allocated bytes = " + size + + " allocated bytes = " + size1); - private static void testGetThreadAllocatedBytes() - throws Exception { - // start a thread - done = false; done1 = false; - Thread curThread = new MyThread("MyThread"); - curThread.start(); - long id = curThread.getId(); + // start threads, wait for them to block + for (int i = 0; i < NUM_THREADS; i++) { + threads[i] = new MyThread("MyThread-" + i); + threads[i].start(); + } - // wait for thread to block after doing some allocation - waitUntilThreadBlocked(curThread); + // threads block after doing some allocation + waitUntilThreadBlocked(); - long size = mbean.getThreadAllocatedBytes(id); - ensureValidSize(size); + for (int i = 0; i < NUM_THREADS; i++) { + sizes[i] = mbean.getThreadAllocatedBytes(threads[i].getId()); + } - // let thread go to do some more allocation + // let threads go and do some more allocation synchronized (obj) { done = true; obj.notifyAll(); } - // wait for thread to get going again. we don't care if we - // catch it in mid-execution or if it hasn't - // restarted after we're done sleeping. - goSleep(400); - - checkResult(curThread, size, mbean.getThreadAllocatedBytes(id)); - - // let thread exit - synchronized (obj) { - done1 = true; - obj.notifyAll(); - } - - try { - curThread.join(); - } catch (InterruptedException e) { - System.out.println("Unexpected exception is thrown."); - e.printStackTrace(System.out); - } - } - - private static void testGetThreadsAllocatedBytes() - throws Exception { - - // start threads - done = false; done1 = false; - for (int i = 0; i < NUM_THREADS; i++) { - threads[i] = new MyThread("MyThread-" + i); - threads[i].start(); - } - - // wait for threads to block after doing some allocation - waitUntilThreadsBlocked(); - - for (int i = 0; i < NUM_THREADS; i++) { - sizes[i] = mbean.getThreadAllocatedBytes(threads[i].getId()); - ensureValidSize(sizes[i]); - } - - // let threads go to do some more allocation - synchronized (obj) { - done = true; - obj.notifyAll(); - } - - // wait for threads to get going again. we don't care if we + // wait for threads to get going again. we don't care if we // catch them in mid-execution or if some of them haven't // restarted after we're done sleeping. goSleep(400); for (int i = 0; i < NUM_THREADS; i++) { - checkResult(threads[i], sizes[i], - mbean.getThreadAllocatedBytes(threads[i].getId())); + long newSize = mbean.getThreadAllocatedBytes(threads[i].getId()); + if (sizes[i] > newSize) { + throw new RuntimeException("TEST FAILED: " + + threads[i].getName() + + " previous allocated bytes = " + sizes[i] + + " > current allocated bytes = " + newSize); + } + System.out.println(threads[i].getName() + + " Previous allocated bytes = " + sizes[i] + + " Current allocated bytes = " + newSize); } // let threads exit @@ -203,30 +148,17 @@ } catch (InterruptedException e) { System.out.println("Unexpected exception is thrown."); e.printStackTrace(System.out); + testFailed = true; break; } } - } + if (testFailed) { + throw new RuntimeException("TEST FAILED"); + } - private static void ensureValidSize(long size) { - // implementation could have started measurement when - // measurement was enabled, in which case size can be 0 - if (size < 0) { - throw new RuntimeException( - "Invalid allocated bytes returned = " + size); - } + System.out.println("Test passed"); } - private static void checkResult(Thread curThread, - long prev_size, long curr_size) { - if (curr_size < prev_size) { - throw new RuntimeException("Allocated bytes " + curr_size + - " expected >= " + prev_size); - } - System.out.println(curThread.getName() + - " Previous allocated bytes = " + prev_size + - " Current allocated bytes = " + curr_size); - } private static void goSleep(long ms) throws Exception { try { @@ -237,18 +169,7 @@ } } - private static void waitUntilThreadBlocked(Thread thread) - throws Exception { - while (true) { - goSleep(100); - ThreadInfo info = mbean.getThreadInfo(thread.getId()); - if (info.getThreadState() == Thread.State.WAITING) { - break; - } - } - } - - private static void waitUntilThreadsBlocked() + private static void waitUntilThreadBlocked() throws Exception { int count = 0; while (count != NUM_THREADS) { @@ -289,6 +210,7 @@ } catch (InterruptedException e) { System.out.println("Unexpected exception is thrown."); e.printStackTrace(System.out); + testFailed = true; break; } } @@ -303,7 +225,7 @@ " ThreadAllocatedBytes = " + size2); if (size1 > size2) { - throw new RuntimeException(getName() + + throw new RuntimeException("TEST FAILED: " + getName() + " ThreadAllocatedBytes = " + size1 + " > ThreadAllocatedBytes = " + size2); } @@ -315,6 +237,7 @@ } catch (InterruptedException e) { System.out.println("Unexpected exception is thrown."); e.printStackTrace(System.out); + testFailed = true; break; } }