/* * 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 UseRTMDeopt affects uncommon trap installation in * copmpiled methods with synchronized block. * @library /test/lib / * @modules java.base/jdk.internal.misc * java.management * @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.TestUseRTMDeopt */ package compiler.rtm.locking; import compiler.testlibrary.rtm.AbortProvoker; import compiler.testlibrary.rtm.AbortType; import compiler.testlibrary.rtm.RTMTestBase; import compiler.testlibrary.rtm.predicate.SupportedCPU; import compiler.testlibrary.rtm.predicate.SupportedOS; import compiler.testlibrary.rtm.predicate.SupportedVM; import jdk.test.lib.Asserts; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.cli.CommandLineOptionTest; import jdk.test.lib.cli.predicate.AndPredicate; /** * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage * for methods that use locking. */ public class TestUseRTMDeopt extends CommandLineOptionTest { private TestUseRTMDeopt() { super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM())); } @Override protected void runTestCases() throws Throwable { verifyUseRTMDeopt(false); verifyUseRTMDeopt(true); } private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable { AbortProvoker provoker = AbortType.XABORT.provoker(); String logFileName = String.format("rtm_%s_deopt.xml", useRTMDeopt ? "use" : "no"); OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( logFileName, provoker, CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt", useRTMDeopt), AbortProvoker.class.getName(), AbortType.XABORT.toString() ); outputAnalyzer.shouldHaveExitValue(0); int expectedUncommonTraps = useRTMDeopt ? 1 : 0; int installedUncommonTraps = RTMTestBase.installedRTMStateChangeTraps(logFileName); Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps, String.format("Expected to find %d uncommon traps " + "installed with reason rtm_state_change.", expectedUncommonTraps)); } public static void main(String args[]) throws Throwable { new TestUseRTMDeopt().test(); } }