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.SupportedOS; 52 import compiler.testlibrary.rtm.predicate.SupportedVM; 53 import jdk.test.lib.Asserts; 54 import jdk.test.lib.process.OutputAnalyzer; 55 import jdk.test.lib.cli.CommandLineOptionTest; 56 import jdk.test.lib.cli.predicate.AndPredicate; 57 58 import java.util.Collections; 59 import java.util.LinkedList; 60 import java.util.List; 61 62 /** 63 * Test verifies that VM output does not contain RTM locking statistics when it 64 * should not (when PrintPreciseRTMLockingStatistics is off) and that with 65 * -XX:+PrintPreciseRTMLockingStatistics locking statistics contains sane 66 * total locks and aborts count as well as for specific abort types. 67 */ 68 public class TestPrintPreciseRTMLockingStatistics 69 extends CommandLineOptionTest { 70 private TestPrintPreciseRTMLockingStatistics() { 71 super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM())); 72 } 73 74 @Override 75 public void runTestCases() throws Throwable { 76 verifyNoStatistics(); 77 verifyStatistics(); 78 } 79 80 // verify that VM output does not contain 81 // rtm locking statistics 82 private void verifyNoStatistics() throws Throwable { 83 verifyNoStatistics(AbortType.XABORT); 84 85 verifyNoStatistics(AbortType.XABORT, 86 "-XX:-PrintPreciseRTMLockingStatistics"); 87 88 verifyNoStatistics(AbortType.XABORT, "-XX:-UseRTMLocking", 89 "-XX:+PrintPreciseRTMLockingStatistics"); 90 } 91 92 // verify that rtm locking statistics contain information 93 // about each type of aborts 94 private void verifyStatistics() throws Throwable { 95 verifyAbortsCount(AbortType.XABORT); 96 verifyAbortsCount(AbortType.MEM_CONFLICT); 97 verifyAbortsCount(AbortType.BUF_OVERFLOW); 98 verifyAbortsCount(AbortType.NESTED_ABORT); 99 } 100 101 private void verifyNoStatistics(AbortType abortProvokerType, 102 String... vmOpts) throws Throwable { 103 AbortProvoker provoker = abortProvokerType.provoker(); 104 List<String> finalVMOpts = new LinkedList<>(); 105 Collections.addAll(finalVMOpts, vmOpts); 106 Collections.addAll(finalVMOpts, AbortProvoker.class.getName(), 107 abortProvokerType.toString()); 108 109 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(provoker, 110 finalVMOpts.toArray(new String[finalVMOpts.size()])); 111 112 outputAnalyzer.shouldHaveExitValue(0); 113 114 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( 115 outputAnalyzer.getOutput()); 116 117 Asserts.assertEQ(statistics.size(), 0, "VM output should not contain " 118 + "any RTM locking statistics"); 119 } 120 121 private void verifyAbortsCount(AbortType abortType) throws Throwable { 122 AbortProvoker provoker = abortType.provoker(); 123 124 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( 125 provoker, 126 "-XX:+PrintPreciseRTMLockingStatistics", 127 AbortProvoker.class.getName(), 128 abortType.toString()); 129 130 outputAnalyzer.shouldHaveExitValue(0); 131 132 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( 133 provoker.getMethodWithLockName(),outputAnalyzer.getOutput()); 134 135 Asserts.assertGT(statistics.size(), 0, "VM output should contain one " 136 + "rtm locking statistics entry for method " 137 + provoker.getMethodWithLockName()); 138 139 RTMLockingStatistics lock = statistics.get(0); 140 141 Asserts.assertGT(lock.getTotalAborts(), 0L, 142 "RTM locking statistics should contain non zero total aborts " 143 + "count"); 144 145 Asserts.assertGT(lock.getAborts(abortType), 0L, String.format( 146 "RTM locking statistics should contain non zero aborts count " 147 + "for abort reason %s", abortType)); 148 } 149 150 public static void main(String args[]) throws Throwable { 151 new TestPrintPreciseRTMLockingStatistics().test(); 152 } 153 }