Mercurial > hg > truffle
view test/compiler/rtm/locking/TestRTMRetryCount.java @ 19752:15bb034480d7
Add unit test for conditional elimination of IntegerTestNode.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 10 Mar 2015 15:28:02 +0100 |
parents | ba8268c23fa2 |
children |
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/* * 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 RTMRetryCount affects actual amount of retries. * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary * @build TestRTMRetryCount * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions * -XX:+WhiteBoxAPI TestRTMRetryCount */ import java.util.List; 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 RTMRetryCount option actually affects amount of * retries on lock busy. */ public class TestRTMRetryCount extends CommandLineOptionTest { /** * Time in ms, during which busy lock will be locked. */ private static final int LOCKING_TIME = 5000; private static final boolean INFLATE_MONITOR = true; private TestRTMRetryCount() { super(new AndPredicate(new SupportedCPU(), new SupportedVM())); } @Override protected void runTestCases() throws Throwable { verifyRTMRetryCount(0); verifyRTMRetryCount(1); verifyRTMRetryCount(5); verifyRTMRetryCount(10); } private void verifyRTMRetryCount(int retryCount) throws Throwable { CompilableTest busyLock = new BusyLock(); long expectedAborts = retryCount + 1L; OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( busyLock, "-XX:-UseRTMXendForLockBusy", "-XX:RTMTotalCountIncrRate=1", CommandLineOptionTest.prepareNumericFlag("RTMRetryCount", retryCount), "-XX:RTMTotalCountIncrRate=1", "-XX:+PrintPreciseRTMLockingStatistics", BusyLock.class.getName(), Boolean.toString(TestRTMRetryCount.INFLATE_MONITOR), Integer.toString(TestRTMRetryCount.LOCKING_TIME) ); outputAnalyzer.shouldHaveExitValue(0); List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( busyLock.getMethodWithLockName(), outputAnalyzer.getStdout()); Asserts.assertEQ(statistics.size(), 1, "VM output should contain " + "exactly one rtm locking statistics entry for method " + busyLock.getMethodWithLockName()); Asserts.assertEQ(statistics.get(0).getTotalAborts(), expectedAborts, String.format("It is expected to get %d aborts", expectedAborts)); } public static void main(String args[]) throws Throwable { new TestRTMRetryCount().test(); } }