| /* |
| * 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 |
| * @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.TestUseRTMDeopt |
| */ |
| |
| 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 usage of UseRTMDeopt option affects uncommon traps usage |
| * for methods that use locking. |
| */ |
| public class TestUseRTMDeopt { |
| |
| 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().runTestCases(); |
| } |
| } |