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/*
* Copyright (c) 2014, 2019, 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 UseRTMDeopt affects uncommon trap installation in
* compiled methods with synchronized block.
* @library /test/lib /
* @modules java.base/jdk.internal.misc
* java.management
* @requires vm.rtm.cpu & vm.rtm.compiler
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm/native -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI
* compiler.rtm.locking.TestUseRTMDeopt
*/
package compiler.rtm.locking;
import compiler.testlibrary.rtm.AbortProvoker;
import compiler.testlibrary.rtm.AbortType;
import compiler.testlibrary.rtm.RTMTestBase;
import jdk.test.lib.Asserts;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.cli.CommandLineOptionTest;
/**
* Test verifies that usage of UseRTMDeopt option affects uncommon traps usage
* for methods that use locking.
*/
public class TestUseRTMDeopt {
protected void runTestCases() throws Throwable {
verifyUseRTMDeopt(false);
verifyUseRTMDeopt(true);
}
private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable {
AbortProvoker provoker = AbortType.XABORT.provoker();
String logFileName = String.format("rtm_%s_deopt.xml",
useRTMDeopt ? "use" : "no");
OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
logFileName,
provoker,
CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",
useRTMDeopt),
AbortProvoker.class.getName(),
AbortType.XABORT.toString()
);
outputAnalyzer.shouldHaveExitValue(0);
int expectedUncommonTraps = useRTMDeopt ? 1 : 0;
int installedUncommonTraps
= RTMTestBase.installedRTMStateChangeTraps(logFileName);
Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps,
String.format("Expected to find %d uncommon traps "
+ "installed with reason rtm_state_change.",
expectedUncommonTraps));
}
public static void main(String args[]) throws Throwable {
new TestUseRTMDeopt().runTestCases();
}
}
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