| /* |
| * Copyright (c) 2014, 2016, 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 8031320 |
| * @summary Verify that RTMLockingCalculationDelay affect when |
| * abort ratio calculation is started. |
| * @library /test/lib / |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI |
| * compiler.rtm.locking.TestRTMLockingCalculationDelay |
| */ |
| |
| package compiler.rtm.locking; |
| |
| import compiler.testlibrary.rtm.AbortProvoker; |
| import compiler.testlibrary.rtm.AbortType; |
| import compiler.testlibrary.rtm.RTMTestBase; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.cli.CommandLineOptionTest; |
| |
| /** |
| * Test verifies that abort ratio calculation could be delayed using |
| * RTMLockingCalculationDelay option. |
| */ |
| public class TestRTMLockingCalculationDelay { |
| private static final boolean INFLATE_MONITOR = true; |
| |
| protected void runTestCases() throws Throwable { |
| // verify that calculation will be started immediately |
| verifyLockingCalculationDelay(0, 0, true); |
| |
| // verify that calculation will not be started during |
| // first 10 minutes, while test will be started immediately |
| verifyLockingCalculationDelay(600000, 0, false); |
| |
| // verify that calculation will be started after a second |
| verifyLockingCalculationDelay(1000, 1000, true); |
| } |
| |
| private void verifyLockingCalculationDelay(long delay, long testDelay, |
| boolean deoptExpected) throws Throwable { |
| AbortProvoker provoker = AbortType.XABORT.provoker(); |
| String logFileName = String.format("rtm_delay_%d_%d.xml", delay, |
| testDelay); |
| |
| OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( |
| logFileName, |
| provoker, |
| "-XX:+UseRTMDeopt", |
| CommandLineOptionTest.prepareNumericFlag( |
| "RTMLockingCalculationDelay", delay), |
| "-XX:RTMAbortRatio=0", |
| "-XX:RTMAbortThreshold=0", |
| AbortProvoker.class.getName(), |
| AbortType.XABORT.toString(), |
| Boolean.toString( |
| TestRTMLockingCalculationDelay.INFLATE_MONITOR), |
| Long.toString(AbortProvoker.DEFAULT_ITERATIONS), |
| Long.toString(testDelay) |
| ); |
| |
| outputAnalyzer.shouldHaveExitValue(0); |
| |
| int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName); |
| |
| if (deoptExpected) { |
| Asserts.assertGT(deopts, 0, "At least one deoptimization due to " |
| + "rtm_state_chage is expected"); |
| } else { |
| Asserts.assertEQ(deopts, 0, "No deoptimizations due to " |
| + "rtm_state_chage are expected"); |
| } |
| } |
| |
| public static void main(String args[]) throws Throwable { |
| new TestRTMLockingCalculationDelay().runTestCases(); |
| } |
| } |