1 /* 2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8031320 27 * @summary Verify that UseRTMDeopt affects uncommon trap installation in 28 * copmpiled methods with synchronized block. 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI 38 * compiler.rtm.locking.TestUseRTMDeopt 39 */ 40 41 package compiler.rtm.locking; 42 43 import compiler.testlibrary.rtm.AbortProvoker; 44 import compiler.testlibrary.rtm.AbortType; 45 import compiler.testlibrary.rtm.RTMTestBase; 46 import jdk.test.lib.Asserts; 47 import jdk.test.lib.process.OutputAnalyzer; 48 import jdk.test.lib.cli.CommandLineOptionTest; 49 50 /** 51 * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage 52 * for methods that use locking. 53 */ 54 public class TestUseRTMDeopt { 55 56 protected void runTestCases() throws Throwable { 57 verifyUseRTMDeopt(false); 58 verifyUseRTMDeopt(true); 59 } 60 61 private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable { 62 AbortProvoker provoker = AbortType.XABORT.provoker(); 63 String logFileName = String.format("rtm_%s_deopt.xml", 64 useRTMDeopt ? "use" : "no"); 65 66 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( 67 logFileName, 68 provoker, 69 CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt", 70 useRTMDeopt), 71 AbortProvoker.class.getName(), 72 AbortType.XABORT.toString() 73 ); 74 75 outputAnalyzer.shouldHaveExitValue(0); 76 77 int expectedUncommonTraps = useRTMDeopt ? 1 : 0; 78 int installedUncommonTraps 79 = RTMTestBase.installedRTMStateChangeTraps(logFileName); 80 81 Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps, 82 String.format("Expected to find %d uncommon traps " 83 + "installed with reason rtm_state_change.", 84 expectedUncommonTraps)); 85 } 86 87 public static void main(String args[]) throws Throwable { 88 new TestUseRTMDeopt().runTestCases(); 89 } 90 }