Mercurial > hg > truffle
diff test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java @ 17873:ba8268c23fa2
8037860: Add tests to cover Intel RTM instructions support
Reviewed-by: kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com
author | iignatyev |
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date | Fri, 11 Apr 2014 00:35:23 +0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java Fri Apr 11 00:35:23 2014 +0400 @@ -0,0 +1,116 @@ +/* + * 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 UseRTMLockEliding option could be applied to + * specified method and that such method will not be deoptimized + * on high abort ratio. + * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary + * @build TestUseRTMLockElidingOption + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI TestUseRTMLockElidingOption + */ + +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 method tagged with option <i>UseRTMLockElidingOption</i> + * will use RTM-based lock elision, but will be never deoptimized with + * <i>rtm_state_change reason</i>. + * Test invokes compiled method and checks that no deoptimization with + * <i>rtm_state_change</i> reason had happened and that that VM output + * contains RTM locking statistics for compiled method and that total locks + * count equals to method's invocations. + * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order + * to avoid issue with retriable aborts described in + * {@link TestUseRTMAfterLockInflation}. + */ +public class TestUseRTMLockElidingOption extends CommandLineOptionTest { + private TestUseRTMLockElidingOption() { + super(new AndPredicate(new SupportedCPU(), new SupportedVM())); + } + + @Override + public void runTestCases() throws Throwable { + verifyOption(false); + verifyOption(true); + } + + public void verifyOption(boolean useStackLock) throws Throwable { + AbortProvoker provoker = AbortType.XABORT.provoker(); + String logFileName = String.format("rtm_deopt_%s_stack_lock.xml", + (useStackLock ? "use" : "no")); + String methodOption = String.format("-XX:CompileCommand=option," + + "%s,UseRTMLockEliding", provoker.getMethodWithLockName()); + + OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( + logFileName, + provoker, + CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks", + useStackLock), + methodOption, + "-XX:RTMTotalCountIncrRate=1", + "-XX:RTMRetryCount=0", + "-XX:+UseRTMDeopt", + "-XX:+PrintPreciseRTMLockingStatistics", + provoker.getClass().getName(), + AbortType.XABORT.toString(), + Boolean.toString(!useStackLock) + ); + + outputAnalyzer.shouldHaveExitValue(0); + + int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName); + + Asserts.assertEQ(firedTraps, 0, + "Method deoptimization with rtm_state_change is unexpected"); + + 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()); + + RTMLockingStatistics lock = statistics.get(0); + + Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS, + "Expected to get total locks count equal to total amount of " + + "lock attempts."); + } + + public static void main(String args[]) throws Throwable { + new TestUseRTMLockElidingOption().test(); + } +}