Mercurial > hg > graal-compiler
view test/compiler/rtm/locking/TestRTMAbortThreshold.java @ 21451:24dd9af9ac26
SPARCArithmetic: add register hint for Unary2Op.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Thu, 21 May 2015 15:00:11 +0200 |
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 RTMAbortThreshold option affects * amount of aborts after which abort ratio is calculated. * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary * @build TestRTMAbortThreshold * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions * -XX:+WhiteBoxAPI TestRTMAbortThreshold */ 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 on RTMAbortThreshold option actually affects how soon * method will be deoptimized on high abort ratio. */ public class TestRTMAbortThreshold extends CommandLineOptionTest { private TestRTMAbortThreshold() { super(new AndPredicate(new SupportedCPU(), new SupportedVM())); } @Override protected void runTestCases() throws Throwable { verifyAbortThreshold(false, 1); verifyAbortThreshold(false, 10); verifyAbortThreshold(false, 1000); verifyAbortThreshold(true, 1); verifyAbortThreshold(true, 10); verifyAbortThreshold(true, 1000); } private void verifyAbortThreshold(boolean useStackLock, long abortThreshold) throws Throwable { AbortProvoker provoker = AbortType.XABORT.provoker(); OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( provoker, "-XX:+UseRTMDeopt", "-XX:RTMAbortRatio=0", CommandLineOptionTest.prepareNumericFlag("RTMAbortThreshold", abortThreshold), CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks", useStackLock), "-XX:RTMTotalCountIncrRate=1", "-XX:+PrintPreciseRTMLockingStatistics", AbortProvoker.class.getName(), AbortType.XABORT.toString(), Boolean.toString(!useStackLock)); outputAnalyzer.shouldHaveExitValue(0); List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( provoker.getMethodWithLockName(), outputAnalyzer.getOutput()); Asserts.assertEQ(statistics.size(), 1, "VM output should contain " + "exactly one RTM locking statistics entry for method " + provoker.getMethodWithLockName()); Asserts.assertEQ(statistics.get(0).getTotalLocks(), abortThreshold, String.format("Expected that method with rtm lock elision was" + " deoptimized after %d lock attempts", abortThreshold)); } public static void main(String args[]) throws Throwable { new TestRTMAbortThreshold().test(); } }