| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| /** |
| * @test |
| * @bug 8031320 |
| * @summary Verify that rtm locking statistics contain proper information |
| * on overall aborts and locks count and count of aborts of |
| * different types. Test also verify that VM output does not |
| * contain rtm locking statistics when it should not. |
| * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary |
| * @build TestPrintPreciseRTMLockingStatistics |
| * @run main ClassFileInstaller sun.hotspot.WhiteBox |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI TestPrintPreciseRTMLockingStatistics |
| */ |
| |
| import java.util.*; |
| |
| import com.oracle.java.testlibrary.*; |
| import com.oracle.java.testlibrary.cli.CommandLineOptionTest; |
| import com.oracle.java.testlibrary.cli.predicate.AndPredicate; |
| import rtm.*; |
| import rtm.predicate.SupportedCPU; |
| import rtm.predicate.SupportedVM; |
| |
| /** |
| * Test verifies that VM output does not contain RTM locking statistics when it |
| * should not (when PrintPreciseRTMLockingStatistics is off) and that with |
| * -XX:+PrintPreciseRTMLockingStatistics locking statistics contains sane |
| * total locks and aborts count as well as for specific abort types. |
| */ |
| public class TestPrintPreciseRTMLockingStatistics |
| extends CommandLineOptionTest { |
| private TestPrintPreciseRTMLockingStatistics() { |
| super(new AndPredicate(new SupportedCPU(), new SupportedVM())); |
| } |
| |
| @Override |
| public void runTestCases() throws Throwable { |
| verifyNoStatistics(); |
| verifyStatistics(); |
| } |
| |
| // verify that VM output does not contain |
| // rtm locking statistics |
| private void verifyNoStatistics() throws Throwable { |
| verifyNoStatistics(AbortType.XABORT); |
| |
| verifyNoStatistics(AbortType.XABORT, |
| "-XX:-PrintPreciseRTMLockingStatistics"); |
| |
| verifyNoStatistics(AbortType.XABORT, "-XX:-UseRTMLocking", |
| "-XX:+PrintPreciseRTMLockingStatistics"); |
| } |
| |
| // verify that rtm locking statistics contain information |
| // about each type of aborts |
| private void verifyStatistics() throws Throwable { |
| verifyAbortsCount(AbortType.XABORT); |
| verifyAbortsCount(AbortType.MEM_CONFLICT); |
| verifyAbortsCount(AbortType.BUF_OVERFLOW); |
| verifyAbortsCount(AbortType.NESTED_ABORT); |
| } |
| |
| private void verifyNoStatistics(AbortType abortProvokerType, |
| String... vmOpts) throws Throwable { |
| AbortProvoker provoker = abortProvokerType.provoker(); |
| List<String> finalVMOpts = new LinkedList<>(); |
| Collections.addAll(finalVMOpts, vmOpts); |
| Collections.addAll(finalVMOpts, AbortProvoker.class.getName(), |
| abortProvokerType.toString()); |
| |
| OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(provoker, |
| finalVMOpts.toArray(new String[finalVMOpts.size()])); |
| |
| outputAnalyzer.shouldHaveExitValue(0); |
| |
| List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( |
| outputAnalyzer.getOutput()); |
| |
| Asserts.assertEQ(statistics.size(), 0, "VM output should not contain " |
| + "any RTM locking statistics"); |
| } |
| |
| private void verifyAbortsCount(AbortType abortType) throws Throwable { |
| AbortProvoker provoker = abortType.provoker(); |
| |
| OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( |
| provoker, |
| "-XX:+PrintPreciseRTMLockingStatistics", |
| AbortProvoker.class.getName(), |
| abortType.toString()); |
| |
| outputAnalyzer.shouldHaveExitValue(0); |
| |
| List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( |
| provoker.getMethodWithLockName(),outputAnalyzer.getOutput()); |
| |
| Asserts.assertGT(statistics.size(), 0, "VM output should contain one " |
| + "rtm locking statistics entry for method " |
| + provoker.getMethodWithLockName()); |
| |
| RTMLockingStatistics lock = statistics.get(0); |
| |
| Asserts.assertGT(lock.getTotalLocks(), 0L, "RTM locking statistics " |
| + "should contain non zero total locks count"); |
| |
| Asserts.assertGT(lock.getTotalAborts(), 0L, |
| "RTM locking statistics should contain non zero total aborts " |
| + "count"); |
| |
| Asserts.assertGT(lock.getAborts(abortType), 0L, String.format( |
| "RTM locking statistics should contain non zero aborts count " |
| + "for abort reason %s", abortType)); |
| } |
| |
| public static void main(String args[]) throws Throwable { |
| new TestPrintPreciseRTMLockingStatistics().test(); |
| } |
| } |