117 lines
4.7 KiB
Java
117 lines
4.7 KiB
Java
/*
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* Copyright (c) 2014, 2022, 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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/*
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* @test ThresholdNotificationsTest
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* @summary testing of getUsageThreshold()
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* @library /test/lib /
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* @modules java.base/jdk.internal.misc
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* java.management
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*
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
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* -XX:+WhiteBoxAPI -XX:-MethodFlushing -XX:CompileCommand=compileonly,null::*
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* -XX:+SegmentedCodeCache
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* compiler.codecache.jmx.ThresholdNotificationsTest
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
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* -XX:+WhiteBoxAPI -XX:-MethodFlushing -XX:CompileCommand=compileonly,null::*
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* -XX:-SegmentedCodeCache
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* compiler.codecache.jmx.ThresholdNotificationsTest
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*/
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package compiler.codecache.jmx;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.Utils;
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import jdk.test.whitebox.code.BlobType;
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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 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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public class ThresholdNotificationsTest implements NotificationListener {
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private final static long WAIT_TIME = 10000L;
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private volatile long counter;
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private final BlobType btype;
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public static void main(String[] args) {
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for (BlobType bt : BlobType.getAvailable()) {
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if (CodeCacheUtils.isCodeHeapPredictable(bt)) {
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new ThresholdNotificationsTest(bt).runTest();
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}
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}
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}
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public ThresholdNotificationsTest(BlobType btype) {
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this.btype = btype;
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counter = 0L;
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CodeCacheUtils.disableCollectionUsageThresholds();
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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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if (poolName.equals(btype.getMemoryPool().getName())) {
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counter++;
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}
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}
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}
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protected void runTest() {
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int iterationsCount
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= Integer.getInteger("jdk.test.lib.iterations", 1);
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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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for (int i = 0; i < iterationsCount; i++) {
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CodeCacheUtils.hitUsageThreshold(bean, btype);
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}
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Asserts.assertTrue(
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Utils.waitForCondition(
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() -> (CodeCacheUtils.isCodeHeapPredictable(btype) ?
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(counter == iterationsCount) : (counter >= iterationsCount)),
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WAIT_TIME),
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"Couldn't receive expected notifications count");
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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 finished successfully for %s%n",
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bean.getName());
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}
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}
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