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 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify that rtm locking statistics contain proper information 29 * on overall aborts and locks count and count of aborts of 30 * different types. Test also verify that VM output does not 31 * contain rtm locking statistics when it should not. 32 * @library /test/lib / 33 * @modules java.base/jdk.internal.misc 34 * java.management 35 * @build sun.hotspot.WhiteBox 36 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 37 * sun.hotspot.WhiteBox$WhiteBoxPermission 38 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 39 * -XX:+WhiteBoxAPI 40 * compiler.rtm.print.TestPrintPreciseRTMLockingStatistics 41 */ 42 43 44 package compiler.rtm.print; 45 46 import compiler.testlibrary.rtm.AbortProvoker; 47 import compiler.testlibrary.rtm.AbortType; 48 import compiler.testlibrary.rtm.RTMLockingStatistics; 49 import compiler.testlibrary.rtm.RTMTestBase; 50 import compiler.testlibrary.rtm.predicate.SupportedCPU; 51 import compiler.testlibrary.rtm.predicate.SupportedVM; 52 import jdk.test.lib.Asserts; 53 import jdk.test.lib.process.OutputAnalyzer; 54 import jdk.test.lib.cli.CommandLineOptionTest; 55 import jdk.test.lib.cli.predicate.AndPredicate; 56 57 import java.util.Collections; 58 import java.util.LinkedList; 59 import java.util.List; 60 61 /** 62 * Test verifies that VM output does not contain RTM locking statistics when it 63 * should not (when PrintPreciseRTMLockingStatistics is off) and that with 64 * -XX:+PrintPreciseRTMLockingStatistics locking statistics contains sane 65 * total locks and aborts count as well as for specific abort types. 66 */ 67 public class TestPrintPreciseRTMLockingStatistics 68 extends CommandLineOptionTest { 69 private TestPrintPreciseRTMLockingStatistics() { 70 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); 71 } 72 73 @Override 74 public void runTestCases() throws Throwable { 75 verifyNoStatistics(); 76 verifyStatistics(); 77 } 78 79 // verify that VM output does not contain 80 // rtm locking statistics 81 private void verifyNoStatistics() throws Throwable { 82 verifyNoStatistics(AbortType.XABORT); 83 84 verifyNoStatistics(AbortType.XABORT, 85 "-XX:-PrintPreciseRTMLockingStatistics"); 86 87 verifyNoStatistics(AbortType.XABORT, "-XX:-UseRTMLocking", 88 "-XX:+PrintPreciseRTMLockingStatistics"); 89 } 90 91 // verify that rtm locking statistics contain information 92 // about each type of aborts 93 private void verifyStatistics() throws Throwable { 94 verifyAbortsCount(AbortType.XABORT); 95 verifyAbortsCount(AbortType.MEM_CONFLICT); 96 verifyAbortsCount(AbortType.BUF_OVERFLOW); 97 verifyAbortsCount(AbortType.NESTED_ABORT); 98 } 99 100 private void verifyNoStatistics(AbortType abortProvokerType, 101 String... vmOpts) throws Throwable { 102 AbortProvoker provoker = abortProvokerType.provoker(); 103 List<String> finalVMOpts = new LinkedList<>(); 104 Collections.addAll(finalVMOpts, vmOpts); 105 Collections.addAll(finalVMOpts, AbortProvoker.class.getName(), 106 abortProvokerType.toString()); 107 108 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(provoker, 109 finalVMOpts.toArray(new String[finalVMOpts.size()])); 110 111 outputAnalyzer.shouldHaveExitValue(0); 112 113 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( 114 outputAnalyzer.getOutput()); 115 116 Asserts.assertEQ(statistics.size(), 0, "VM output should not contain " 117 + "any RTM locking statistics"); 118 } 119 120 private void verifyAbortsCount(AbortType abortType) throws Throwable { 121 AbortProvoker provoker = abortType.provoker(); 122 123 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( 124 provoker, 125 "-XX:+PrintPreciseRTMLockingStatistics", 126 AbortProvoker.class.getName(), 127 abortType.toString()); 128 129 outputAnalyzer.shouldHaveExitValue(0); 130 131 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( 132 provoker.getMethodWithLockName(),outputAnalyzer.getOutput()); 133 134 Asserts.assertGT(statistics.size(), 0, "VM output should contain one " 135 + "rtm locking statistics entry for method " 136 + provoker.getMethodWithLockName()); 137 138 RTMLockingStatistics lock = statistics.get(0); 139 140 Asserts.assertGT(lock.getTotalAborts(), 0L, 141 "RTM locking statistics should contain non zero total aborts " 142 + "count"); 143 144 Asserts.assertGT(lock.getAborts(abortType), 0L, String.format( 145 "RTM locking statistics should contain non zero aborts count " 146 + "for abort reason %s", abortType)); 147 } 148 149 public static void main(String args[]) throws Throwable { 150 new TestPrintPreciseRTMLockingStatistics().test(); 151 } 152 }