| /* |
| * 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 |
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| * |
| */ |
| |
| /** |
| * @test |
| * @bug 8031320 |
| * @summary Verify UseRTMForStackLocks option processing on CPU with |
| * rtm support when VM supports rtm locking. |
| * @library /test/lib / |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * |
| * @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.TestUseRTMForStackLocksOptionOnSupportedConfig |
| */ |
| |
| package compiler.rtm.cli; |
| |
| import compiler.testlibrary.rtm.predicate.SupportedCPU; |
| import compiler.testlibrary.rtm.predicate.SupportedVM; |
| import jdk.test.lib.process.ExitCode; |
| import jdk.test.lib.cli.CommandLineOptionTest; |
| import jdk.test.lib.cli.predicate.AndPredicate; |
| |
| public class TestUseRTMForStackLocksOptionOnSupportedConfig |
| extends CommandLineOptionTest { |
| private static final String DEFAULT_VALUE = "false"; |
| |
| private TestUseRTMForStackLocksOptionOnSupportedConfig() { |
| super(new AndPredicate(new SupportedVM(), new SupportedCPU())); |
| } |
| |
| @Override |
| public void runTestCases() throws Throwable { |
| String errorMessage |
| = CommandLineOptionTest.getExperimentalOptionErrorMessage( |
| "UseRTMForStackLocks"); |
| String warningMessage |
| = RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING; |
| |
| String shouldFailMessage = " VM option 'UseRTMForStackLocks' is " |
| + "experimental%nJVM startup should fail without " |
| + "-XX:+UnlockExperimentalVMOptions flag"; |
| |
| CommandLineOptionTest.verifySameJVMStartup( |
| new String[] { errorMessage }, null, shouldFailMessage, |
| shouldFailMessage + "%nError message expected", ExitCode.FAIL, |
| "-XX:+UseRTMForStackLocks"); |
| String shouldPassMessage = " VM option 'UseRTMForStackLocks'" |
| + " is experimental%nJVM startup should pass with " |
| + "-XX:+UnlockExperimentalVMOptions flag"; |
| // verify that we get a warning when trying to use rtm for stack |
| // lock, but not using rtm locking. |
| CommandLineOptionTest.verifySameJVMStartup( |
| new String[] { warningMessage }, null, shouldPassMessage, |
| "There should be warning when trying to use rtm for stack " |
| + "lock, but not using rtm locking", ExitCode.OK, |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:+UseRTMForStackLocks", |
| "-XX:-UseRTMLocking"); |
| // verify that we don't get a warning when no using rtm for stack |
| // lock and not using rtm locking. |
| CommandLineOptionTest.verifySameJVMStartup(null, |
| new String[] { warningMessage }, shouldPassMessage, |
| "There should not be any warning when use both " |
| + "-XX:-UseRTMForStackLocks and -XX:-UseRTMLocking " |
| + "flags", |
| ExitCode.OK, |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:-UseRTMForStackLocks", |
| "-XX:-UseRTMLocking"); |
| // verify that we don't get a warning when using rtm for stack |
| // lock and using rtm locking. |
| CommandLineOptionTest.verifySameJVMStartup(null, |
| new String[] { warningMessage }, shouldPassMessage, |
| "There should not be any warning when use both " |
| + "-XX:+UseRTMForStackLocks and -XX:+UseRTMLocking" |
| + " flags", |
| ExitCode.OK, |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:+UseRTMForStackLocks", |
| "-XX:+UseRTMLocking"); |
| // verify that default value if false |
| CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", |
| TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE, |
| "Default value of option 'UseRTMForStackLocks' should be false", |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); |
| // verify that default value is false even with +UseRTMLocking |
| CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", |
| TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE, |
| "Default value of option 'UseRTMForStackLocks' should be false", |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:+UseRTMLocking"); |
| // verify that we can turn the option on |
| CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", |
| "true", "Value of option 'UseRTMForStackLocks' should " |
| + "be able to be set as 'true' when both " |
| + "-XX:+UseRTMForStackLocks and " |
| + "-XX:+UseRTMLocking flags used", |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:+UseRTMLocking", "-XX:+UseRTMForStackLocks"); |
| } |
| |
| public static void main(String args[]) throws Throwable { |
| new TestUseRTMForStackLocksOptionOnSupportedConfig().test(); |
| } |
| } |