1 /* 2 * Copyright (c) 2014, 2015, 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 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify that UseRTMDeopt affects uncommon trap installation in 29 * copmpiled methods with synchronized block. 30 * @library /testlibrary /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build TestUseRTMDeopt 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI TestUseRTMDeopt 38 */ 39 40 import jdk.test.lib.*; 41 import jdk.test.lib.cli.CommandLineOptionTest; 42 import jdk.test.lib.cli.predicate.AndPredicate; 43 import compiler.testlibrary.rtm.*; 44 import compiler.testlibrary.rtm.predicate.SupportedCPU; 45 import compiler.testlibrary.rtm.predicate.SupportedVM; 46 47 /** 48 * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage 49 * for methods that use locking. 50 */ 51 public class TestUseRTMDeopt extends CommandLineOptionTest { 52 private TestUseRTMDeopt() { 53 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 54 } 55 56 @Override 57 protected void runTestCases() throws Throwable { 58 verifyUseRTMDeopt(false); 59 verifyUseRTMDeopt(true); 60 } 61 62 private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable { 63 AbortProvoker provoker = AbortType.XABORT.provoker(); 64 String logFileName = String.format("rtm_%s_deopt.xml", 65 useRTMDeopt ? "use" : "no"); 66 67 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( 68 logFileName, 69 provoker, 70 CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt", 71 useRTMDeopt), 72 AbortProvoker.class.getName(), 73 AbortType.XABORT.toString() 74 ); 75 76 outputAnalyzer.shouldHaveExitValue(0); 77 78 int expectedUncommonTraps = useRTMDeopt ? 1 : 0; 79 int installedUncommonTraps 80 = RTMTestBase.installedRTMStateChangeTraps(logFileName); 81 82 Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps, 83 String.format("Expected to find %d uncommon traps " 84 + "installed with reason rtm_state_change.", 85 expectedUncommonTraps)); 86 } 87 88 public static void main(String args[]) throws Throwable { 89 new TestUseRTMDeopt().test(); 90 } 91 }