| /* |
| * 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 UseRTMForStackLocks option processing on CPU with |
| * rtm support when VM supports rtm locking. |
| * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary |
| * @build TestUseRTMForStackLocksOptionOnSupportedConfig |
| * @run main ClassFileInstaller sun.hotspot.WhiteBox |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI |
| * TestUseRTMForStackLocksOptionOnSupportedConfig |
| */ |
| |
| import com.oracle.java.testlibrary.*; |
| import com.oracle.java.testlibrary.cli.*; |
| import com.oracle.java.testlibrary.cli.predicate.AndPredicate; |
| import rtm.predicate.SupportedCPU; |
| import rtm.predicate.SupportedVM; |
| |
| 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; |
| |
| CommandLineOptionTest.verifySameJVMStartup( |
| new String[] { errorMessage }, null, ExitCode.FAIL, |
| "-XX:+UseRTMForStackLocks"); |
| // 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, 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 }, 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 }, ExitCode.OK, |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:+UseRTMForStackLocks", |
| "-XX:+UseRTMLocking"); |
| // verify that default value if false |
| CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", |
| TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE, |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); |
| // verify that default value is false even with +UseRTMLocking |
| CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", |
| TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE, |
| CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:+UseRTMLocking"); |
| // verify that we can turn the option on |
| CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", |
| "true", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, |
| "-XX:+UseRTMLocking", "-XX:+UseRTMForStackLocks"); |
| } |
| |
| public static void main(String args[]) throws Throwable { |
| new TestUseRTMForStackLocksOptionOnSupportedConfig().test(); |
| } |
| } |