123 lines
6.0 KiB
Java
123 lines
6.0 KiB
Java
/*
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* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8031320
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* @summary Verify UseRTMForStackLocks option processing on CPU with
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* rtm support when VM supports rtm locking.
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* @library /test/lib /
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* @modules java.base/jdk.internal.misc
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* java.management
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* @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os
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* @build sun.hotspot.WhiteBox
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* compiler.rtm.cli.TestUseRTMForStackLocksOptionOnSupportedConfig
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*/
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package compiler.rtm.cli;
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import jdk.test.lib.process.ExitCode;
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import jdk.test.lib.cli.CommandLineOptionTest;
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public class TestUseRTMForStackLocksOptionOnSupportedConfig {
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private static final String DEFAULT_VALUE = "false";
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public void runTestCases() throws Throwable {
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String errorMessage
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= CommandLineOptionTest.getExperimentalOptionErrorMessage(
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"UseRTMForStackLocks");
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String warningMessage
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= RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING;
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String shouldFailMessage = " VM option 'UseRTMForStackLocks' is "
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+ "experimental%nJVM startup should fail without "
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+ "-XX:+UnlockExperimentalVMOptions flag";
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CommandLineOptionTest.verifySameJVMStartup(
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new String[] { errorMessage }, null, shouldFailMessage,
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shouldFailMessage + "%nError message expected", ExitCode.FAIL,
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"-XX:+UseRTMForStackLocks");
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String shouldPassMessage = " VM option 'UseRTMForStackLocks'"
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+ " is experimental%nJVM startup should pass with "
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+ "-XX:+UnlockExperimentalVMOptions flag";
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// verify that we get a warning when trying to use rtm for stack
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// lock, but not using rtm locking.
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CommandLineOptionTest.verifySameJVMStartup(
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new String[] { warningMessage }, null, shouldPassMessage,
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"There should be warning when trying to use rtm for stack "
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+ "lock, but not using rtm locking", ExitCode.OK,
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CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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"-XX:+UseRTMForStackLocks",
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"-XX:-UseRTMLocking");
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// verify that we don't get a warning when no using rtm for stack
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// lock and not using rtm locking.
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CommandLineOptionTest.verifySameJVMStartup(null,
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new String[] { warningMessage }, shouldPassMessage,
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"There should not be any warning when use both "
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+ "-XX:-UseRTMForStackLocks and -XX:-UseRTMLocking "
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+ "flags",
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ExitCode.OK,
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CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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"-XX:-UseRTMForStackLocks",
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"-XX:-UseRTMLocking");
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// verify that we don't get a warning when using rtm for stack
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// lock and using rtm locking.
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CommandLineOptionTest.verifySameJVMStartup(null,
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new String[] { warningMessage }, shouldPassMessage,
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"There should not be any warning when use both "
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+ "-XX:+UseRTMForStackLocks and -XX:+UseRTMLocking"
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+ " flags",
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ExitCode.OK,
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CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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"-XX:+UseRTMForStackLocks",
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"-XX:+UseRTMLocking");
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// verify that default value if false
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CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
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TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,
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"Default value of option 'UseRTMForStackLocks' should be false",
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CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
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// verify that default value is false even with +UseRTMLocking
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CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
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TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,
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"Default value of option 'UseRTMForStackLocks' should be false",
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CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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"-XX:+UseRTMLocking");
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// verify that we can turn the option on
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CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
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"true", "Value of option 'UseRTMForStackLocks' should "
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+ "be able to be set as 'true' when both "
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+ "-XX:+UseRTMForStackLocks and "
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+ "-XX:+UseRTMLocking flags used",
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CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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"-XX:+UseRTMLocking", "-XX:+UseRTMForStackLocks");
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}
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public static void main(String args[]) throws Throwable {
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new TestUseRTMForStackLocksOptionOnSupportedConfig().runTestCases();
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}
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}
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