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