diff -r aa83cdd8d7f1 -r 918bbbe51796 hotspot/test/compiler/codecache/jmx/UsageThresholdExceededTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/test/compiler/codecache/jmx/UsageThresholdExceededTest.java Sat Dec 13 00:13:05 2014 +0300 @@ -0,0 +1,73 @@ +/* + * 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 java.lang.management.MemoryPoolMXBean; +import sun.hotspot.code.BlobType; + +/* + * @test UsageThresholdExceededTest + * @library /testlibrary /../../test/lib + * @build UsageThresholdExceededTest + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * sun.hotspot.WhiteBox$WhiteBoxPermission + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache -XX:-UseCodeCacheFlushing + * -XX:-MethodFlushing -XX:CompileCommand=compileonly,null::* + * UsageThresholdExceededTest + * @summary verifying that getUsageThresholdCount() returns correct value + * after threshold has been hit + */ +public class UsageThresholdExceededTest { + + protected final int iterations; + private final BlobType btype; + + public UsageThresholdExceededTest(BlobType btype, int iterations) { + this.btype = btype; + this.iterations = iterations; + } + + public static void main(String[] args) { + int iterationsCount = + Integer.getInteger("com.oracle.java.testlibrary.iterations", 1); + for (BlobType btype : BlobType.getAvailable()) { + if (CodeCacheUtils.isCodeHeapPredictable(btype)) { + new UsageThresholdExceededTest(btype, iterationsCount) + .runTest(); + } + } + } + + protected void runTest() { + MemoryPoolMXBean bean = btype.getMemoryPool(); + long oldValue = bean.getUsageThresholdCount(); + for (int i = 0; i < iterations; i++) { + CodeCacheUtils.hitUsageThreshold(bean, btype); + } + Asserts.assertEQ(bean.getUsageThresholdCount(), oldValue + iterations, + "Unexpected threshold usage count"); + System.out.printf("INFO: Scenario finished successfully for %s%n", + bean.getName()); + } +}