1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify UseRTMForStackLocks option processing on CPU with 29 * rtm support when VM supports rtm locking. 30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary 31 * @build TestUseRTMForStackLocksOptionOnSupportedConfig 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI 36 * TestUseRTMForStackLocksOptionOnSupportedConfig 37 */ 38 39 import com.oracle.java.testlibrary.*; 40 import com.oracle.java.testlibrary.cli.*; 41 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; 42 import rtm.predicate.SupportedCPU; 43 import rtm.predicate.SupportedVM; 44 45 public class TestUseRTMForStackLocksOptionOnSupportedConfig 46 extends CommandLineOptionTest { 47 private static final String DEFAULT_VALUE = "false"; 48 49 private TestUseRTMForStackLocksOptionOnSupportedConfig() { 50 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 51 } 52 53 @Override 54 public void runTestCases() throws Throwable { 55 String errorMessage 56 = CommandLineOptionTest.getExperimentalOptionErrorMessage( 57 "UseRTMForStackLocks"); 58 String warningMessage 59 = RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING; 60 61 CommandLineOptionTest.verifySameJVMStartup( 62 new String[] { errorMessage }, null, ExitCode.FAIL, 63 "-XX:+UseRTMForStackLocks"); 64 // verify that we get a warning when trying to use rtm for stack 65 // lock, but not using rtm locking. 66 CommandLineOptionTest.verifySameJVMStartup( 67 new String[] { warningMessage }, null, ExitCode.OK, 68 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 69 "-XX:+UseRTMForStackLocks", 70 "-XX:-UseRTMLocking"); 71 // verify that we don't get a warning when no using rtm for stack 72 // lock and not using rtm locking. 73 CommandLineOptionTest.verifySameJVMStartup(null, 74 new String[] { warningMessage }, ExitCode.OK, 75 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 76 "-XX:-UseRTMForStackLocks", 77 "-XX:-UseRTMLocking"); 78 // verify that we don't get a warning when using rtm for stack 79 // lock and using rtm locking. 80 CommandLineOptionTest.verifySameJVMStartup(null, 81 new String[] { warningMessage }, ExitCode.OK, 82 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 83 "-XX:+UseRTMForStackLocks", 84 "-XX:+UseRTMLocking"); 85 // verify that default value if false 86 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", 87 TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE, 88 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); 89 // verify that default value is false even with +UseRTMLocking 90 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", 91 TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE, 92 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 93 "-XX:+UseRTMLocking"); 94 // verify that we can turn the option on 95 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks", 96 "true", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 97 "-XX:+UseRTMLocking", "-XX:+UseRTMForStackLocks"); 98 } 99 100 public static void main(String args[]) throws Throwable { 101 new TestUseRTMForStackLocksOptionOnSupportedConfig().test(); 102 } 103 }