author | dpochepk |
Fri, 16 Jan 2015 20:59:23 +0400 | |
changeset 28645 | 509f04dcfa9f |
parent 28491 | fa9243da0080 |
child 30219 | a39816ded4d8 |
permissions | -rw-r--r-- |
28384 | 1 |
/* |
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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import com.oracle.java.testlibrary.Asserts; |
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import com.oracle.java.testlibrary.Utils; |
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import java.lang.management.ManagementFactory; |
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import java.lang.management.MemoryNotificationInfo; |
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import java.lang.management.MemoryPoolMXBean; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import javax.management.ListenerNotFoundException; |
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import javax.management.Notification; |
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import javax.management.NotificationEmitter; |
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import javax.management.NotificationListener; |
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import sun.hotspot.code.BlobType; |
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/* |
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* @test PoolsIndependenceTest |
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28491
fa9243da0080
8068746: Exclude hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java from nightly runs
dlong
parents:
28384
diff
changeset
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* @ignore 8068385 |
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* @library /testlibrary /../../test/lib |
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* @build PoolsIndependenceTest |
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* @run main ClassFileInstaller sun.hotspot.WhiteBox |
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* sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing |
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* -XX:-MethodFlushing -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
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* -XX:+SegmentedCodeCache PoolsIndependenceTest |
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* @summary testing of getUsageThreshold() |
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*/ |
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public class PoolsIndependenceTest implements NotificationListener { |
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private final Map<String, AtomicInteger> counters; |
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private final BlobType btype; |
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private volatile long lastEventTimestamp; |
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public PoolsIndependenceTest(BlobType btype) { |
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counters = new HashMap<>(); |
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for (BlobType bt : BlobType.getAvailable()) { |
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counters.put(bt.getMemoryPool().getName(), new AtomicInteger(0)); |
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} |
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this.btype = btype; |
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lastEventTimestamp = 0; |
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CodeCacheUtils.disableCollectionUsageThresholds(); |
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} |
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public static void main(String[] args) { |
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for (BlobType bt : BlobType.getAvailable()) { |
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new PoolsIndependenceTest(bt).runTest(); |
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} |
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} |
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protected void runTest() { |
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MemoryPoolMXBean bean = btype.getMemoryPool(); |
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((NotificationEmitter) ManagementFactory.getMemoryMXBean()). |
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addNotificationListener(this, null, null); |
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bean.setUsageThreshold(bean.getUsage().getUsed() + 1); |
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long beginTimestamp = System.currentTimeMillis(); |
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CodeCacheUtils.WB.allocateCodeBlob( |
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CodeCacheUtils.ALLOCATION_SIZE, btype.id); |
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CodeCacheUtils.WB.fullGC(); |
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/* waiting for expected event to be received plus double the time took |
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to receive expected event(for possible unexpected) and |
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plus 1 second in case expected event received (almost)immediately */ |
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Utils.waitForCondition(() -> { |
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long currentTimestamp = System.currentTimeMillis(); |
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int eventsCount |
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= counters.get(btype.getMemoryPool().getName()).get(); |
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if (eventsCount > 0) { |
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if (eventsCount > 1) { |
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return true; |
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} |
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long timeLastEventTook |
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= beginTimestamp - lastEventTimestamp; |
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long timeoutValue |
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= 1000L + beginTimestamp + 3L * timeLastEventTook; |
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return currentTimestamp > timeoutValue; |
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} |
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return false; |
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}); |
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for (BlobType bt : BlobType.getAvailable()) { |
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28645
509f04dcfa9f
8068385: [TESTBUG] hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java sometimes fails(unstable behaviour)
dpochepk
parents:
28491
diff
changeset
|
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if (CodeCacheUtils.isCodeHeapPredictable(bt)) { |
509f04dcfa9f
8068385: [TESTBUG] hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java sometimes fails(unstable behaviour)
dpochepk
parents:
28491
diff
changeset
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int expectedNotificationsAmount = bt.equals(btype) ? 1 : 0; |
509f04dcfa9f
8068385: [TESTBUG] hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java sometimes fails(unstable behaviour)
dpochepk
parents:
28491
diff
changeset
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Asserts.assertEQ(counters.get(bt.getMemoryPool().getName()).get(), |
509f04dcfa9f
8068385: [TESTBUG] hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java sometimes fails(unstable behaviour)
dpochepk
parents:
28491
diff
changeset
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expectedNotificationsAmount, String.format("Unexpected " |
509f04dcfa9f
8068385: [TESTBUG] hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java sometimes fails(unstable behaviour)
dpochepk
parents:
28491
diff
changeset
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+ "amount of notifications for pool: %s", |
509f04dcfa9f
8068385: [TESTBUG] hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java sometimes fails(unstable behaviour)
dpochepk
parents:
28491
diff
changeset
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bt.getMemoryPool().getName())); |
509f04dcfa9f
8068385: [TESTBUG] hotspot/test/compiler/codecache/jmx/PoolsIndependenceTest.java sometimes fails(unstable behaviour)
dpochepk
parents:
28491
diff
changeset
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} |
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} |
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try { |
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((NotificationEmitter) ManagementFactory.getMemoryMXBean()). |
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removeNotificationListener(this); |
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} catch (ListenerNotFoundException ex) { |
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throw new AssertionError("Can't remove notification listener", ex); |
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} |
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System.out.printf("INFO: Scenario with %s finished%n", bean.getName()); |
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} |
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@Override |
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public void handleNotification(Notification notification, Object handback) { |
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String nType = notification.getType(); |
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String poolName |
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= CodeCacheUtils.getPoolNameFromNotification(notification); |
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// consider code cache events only |
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if (CodeCacheUtils.isAvailableCodeHeapPoolName(poolName)) { |
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Asserts.assertEQ(MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED, |
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nType, "Unexpected event received: " + nType); |
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// receiving events from available CodeCache-related beans only |
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if (counters.get(poolName) != null) { |
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counters.get(poolName).incrementAndGet(); |
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lastEventTimestamp = System.currentTimeMillis(); |
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} |
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} |
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} |
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} |