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/*
* Copyright (c) 2014, 2016, 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 processing of UseRTMLocking and UseBiasedLocking
* options combination on CPU and VM with rtm support.
* @library /test/lib /
* @modules java.base/jdk.internal.misc
* java.management
* @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI
* compiler.rtm.cli.TestUseRTMLockingOptionWithBiasedLocking
*/
package compiler.rtm.cli;
import jdk.test.lib.process.ExitCode;
import jdk.test.lib.cli.CommandLineOptionTest;
public class TestUseRTMLockingOptionWithBiasedLocking {
public void runTestCases() throws Throwable {
String warningMessage
= RTMGenericCommandLineOptionTest.RTM_BIASED_LOCKING_WARNING;
String shouldPassMessage = "JVM startup should pass with both "
+ "-XX:+UseRTMLocking and "
+ "-XX:-UseBiasedLocking flags set without any warnings";
// verify that we will not get a warning
CommandLineOptionTest.verifySameJVMStartup(null,
new String[] { warningMessage }, shouldPassMessage,
shouldPassMessage, ExitCode.OK,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking", "-XX:-UseBiasedLocking");
// verify that we will get a warning
CommandLineOptionTest.verifySameJVMStartup(
new String[] { warningMessage }, null,
"JVM startup should pass when both -XX:+UseRTMLocking and "
+ "-XX:+UseBiasedLocking flags set",
"Flags -XX:+UseRTMLocking"
+ " and -XX:+UseBiasedLocking conflicts. "
+ "Warning should be shown.", ExitCode.OK,
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
// verify that UseBiasedLocking is false when we use rtm locking
CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",
"false",
"Value of option 'UseBiasedLocking' should be false if"
+ "-XX:+UseRTMLocking flag set.",
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking");
// verify that we can't turn on biased locking when
// using rtm locking
CommandLineOptionTest
.verifyOptionValueForSameVM(
"UseBiasedLocking",
"false",
"Value of option 'UseBiasedLocking' should be false if"
+ "both -XX:+UseRTMLocking and "
+ "-XX:+UseBiasedLocking flags set.",
CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
"-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
}
public static void main(String args[]) throws Throwable {
new TestUseRTMLockingOptionWithBiasedLocking().runTestCases();
}
}
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