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 RTMLockingCalculationDelay affect when 29 * abort ratio calculation is started. 30 * @library /testlibrary /../../test/lib /compiler/testlibrary 31 * @modules java.base/sun.misc 32 * java.management 33 * @build TestRTMLockingCalculationDelay 34 * @run main ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI TestRTMLockingCalculationDelay 38 */ 39 40 import jdk.test.lib.*; 41 import jdk.test.lib.cli.CommandLineOptionTest; 42 import jdk.test.lib.cli.predicate.AndPredicate; 43 import rtm.*; 44 import rtm.predicate.SupportedCPU; 45 import rtm.predicate.SupportedVM; 46 47 /** 48 * Test verifies that abort ratio calculation could be delayed using 49 * RTMLockingCalculationDelay option. 50 */ 51 public class TestRTMLockingCalculationDelay extends CommandLineOptionTest { 52 private static final boolean INFLATE_MONITOR = true; 53 54 private TestRTMLockingCalculationDelay() { 55 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); 56 } 57 58 @Override 59 protected void runTestCases() throws Throwable { 60 // verify that calculation will be started immediately 61 verifyLockingCalculationDelay(0, 0, true); 62 63 // verify that calculation will not be started during 64 // first 10 minutes, while test will be started immediately 65 verifyLockingCalculationDelay(600000, 0, false); 66 67 // verify that calculation will be started after a second 68 verifyLockingCalculationDelay(1000, 1000, true); 69 } 70 71 private void verifyLockingCalculationDelay(long delay, long testDelay, 72 boolean deoptExpected) throws Throwable { 73 AbortProvoker provoker = AbortType.XABORT.provoker(); 74 String logFileName = String.format("rtm_delay_%d_%d.xml", delay, 75 testDelay); 76 77 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( 78 logFileName, 79 provoker, 80 "-XX:+UseRTMDeopt", 81 CommandLineOptionTest.prepareNumericFlag( 82 "RTMLockingCalculationDelay", delay), 83 "-XX:RTMAbortRatio=0", 84 "-XX:RTMAbortThreshold=0", 85 AbortProvoker.class.getName(), 86 AbortType.XABORT.toString(), 87 Boolean.toString( 88 TestRTMLockingCalculationDelay.INFLATE_MONITOR), 89 Long.toString(AbortProvoker.DEFAULT_ITERATIONS), 90 Long.toString(testDelay) 91 ); 92 93 outputAnalyzer.shouldHaveExitValue(0); 94 95 int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName); 96 97 if (deoptExpected) { 98 Asserts.assertGT(deopts, 0, "At least one deoptimization due to " 99 + "rtm_state_chage is expected"); 100 } else { 101 Asserts.assertEQ(deopts, 0, "No deoptimizations due to " 102 + "rtm_state_chage are expected"); 103 } 104 } 105 106 public static void main(String args[]) throws Throwable { 107 new TestRTMLockingCalculationDelay().test(); 108 } 109 }