--- /dev/null 2014-12-02 13:47:03.829845816 +0300 +++ new/test/compiler/codecache/jmx/ThresholdNotificationsTest.java 2014-12-04 21:15:00.916585417 +0300 @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2014, 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 + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +import com.oracle.java.testlibrary.Asserts; +import com.oracle.java.testlibrary.Utils; +import java.lang.management.ManagementFactory; +import java.lang.management.MemoryNotificationInfo; +import java.lang.management.MemoryPoolMXBean; +import java.util.concurrent.atomic.AtomicInteger; +import javax.management.ListenerNotFoundException; +import javax.management.Notification; +import javax.management.NotificationEmitter; +import javax.management.NotificationListener; +import sun.hotspot.code.BlobType; + +/* + * @test ThresholdNotificationsTest + * @library /testlibrary /testlibrary/whitebox + * @build ThresholdNotificationsTest + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * sun.hotspot.WhiteBox$WhiteBoxPermission + * @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing + * -XX:-MethodFlushing -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI + * -XX:+SegmentedCodeCache -XX:CompileCommand=compileonly,null::* + * ThresholdNotificationsTest + * @summary testing of getUsageThreashold() + */ +public class ThresholdNotificationsTest implements NotificationListener { + + private volatile long counter; + private final BlobType btype; + + public static void main(String[] args) { + for (BlobType bt : BlobType.getAvailable()) { + new ThresholdNotificationsTest(bt).runTest(); + } + } + + public ThresholdNotificationsTest(BlobType btype) { + this.btype = btype; + counter = 0L; + CodeCacheUtils.disableCollectionUsageThresholds(); + } + + @Override + public void handleNotification(Notification notification, Object handback) { + String nType = notification.getType(); + String poolName + = CodeCacheUtils.getPoolNameFromNotification(notification); + // consider code cache events only + if (CodeCacheUtils.isAvailableCodeHeapPoolName(poolName)) { + Asserts.assertEQ(MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED, + nType, "Unexpected event received: " + nType); + if (poolName.equals(btype.getMemoryPool().getName())) { + counter++; + } + } + } + + protected void runTest() { + MemoryPoolMXBean bean = btype.getMemoryPool(); + ((NotificationEmitter) ManagementFactory.getMemoryMXBean()). + addNotificationListener(this, null, null); + for (int i = 0; i < Utils.ITERATIONS_COUNT; i++) { + CodeCacheUtils.hitUsageThreshold(bean, btype); + } + Utils.waitForCondition(() -> counter == Utils.ITERATIONS_COUNT); + try { + ((NotificationEmitter) ManagementFactory.getMemoryMXBean()). + removeNotificationListener(this); + } catch (ListenerNotFoundException ex) { + throw new AssertionError("Can't remove notification listener", ex); + } + System.out.printf("INFO: Scenario finished successfully for %s%n", + bean.getName()); + } +}