1 /* 2 * Copyright (c) 2014, 2019, 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 RTMLockingCalculationDelay affect when 28 * abort ratio calculation is started. 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @requires vm.rtm.cpu & vm.rtm.compiler 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm/native -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI 38 * compiler.rtm.locking.TestRTMLockingCalculationDelay 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 abort ratio calculation could be delayed using 52 * RTMLockingCalculationDelay option. 53 */ 54 public class TestRTMLockingCalculationDelay { 55 private static final boolean INFLATE_MONITOR = true; 56 57 protected void runTestCases() throws Throwable { 58 // verify that calculation will be started immediately 59 verifyLockingCalculationDelay(0, 0, true); 60 61 // verify that calculation will not be started during 62 // first 10 minutes, while test will be started immediately 63 verifyLockingCalculationDelay(600000, 0, false); 64 65 // verify that calculation will be started after a second 66 verifyLockingCalculationDelay(1000, 1000, true); 67 } 68 69 private void verifyLockingCalculationDelay(long delay, long testDelay, 70 boolean deoptExpected) throws Throwable { 71 AbortProvoker provoker = AbortType.XABORT.provoker(); 72 String logFileName = String.format("rtm_delay_%d_%d.xml", delay, 73 testDelay); 74 75 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( 76 logFileName, 77 provoker, 78 "-XX:+UseRTMDeopt", 79 CommandLineOptionTest.prepareNumericFlag( 80 "RTMLockingCalculationDelay", delay), 81 "-XX:RTMAbortRatio=0", 82 "-XX:RTMAbortThreshold=0", 83 AbortProvoker.class.getName(), 84 AbortType.XABORT.toString(), 85 Boolean.toString( 86 TestRTMLockingCalculationDelay.INFLATE_MONITOR), 87 Long.toString(AbortProvoker.DEFAULT_ITERATIONS), 88 Long.toString(testDelay) 89 ); 90 91 outputAnalyzer.shouldHaveExitValue(0); 92 93 int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName); 94 95 if (deoptExpected) { 96 Asserts.assertGT(deopts, 0, "At least one deoptimization due to " 97 + "rtm_state_chage is expected"); 98 } else { 99 Asserts.assertEQ(deopts, 0, "No deoptimizations due to " 100 + "rtm_state_chage are expected"); 101 } 102 } 103 104 public static void main(String args[]) throws Throwable { 105 new TestRTMLockingCalculationDelay().runTestCases(); 106 } 107 }