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