1 /* 2 * Copyright (c) 2014, 2016, 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 * @test 26 * @bug 8031320 27 * @summary Verify UseRTMLocking option processing on CPU with rtm support and 28 * on VM with rtm-locking support. 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI 38 * compiler.rtm.cli.TestUseRTMLockingOptionOnSupportedConfig 39 */ 40 41 package compiler.rtm.cli; 42 43 import jdk.test.lib.process.ExitCode; 44 import jdk.test.lib.cli.CommandLineOptionTest; 45 46 public class TestUseRTMLockingOptionOnSupportedConfig { 47 private static final String DEFAULT_VALUE = "false"; 48 49 public void runTestCases() throws Throwable { 50 String unrecongnizedOption 51 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage( 52 "UseRTMLocking"); 53 String shouldPassMessage = "VM option 'UseRTMLocking' is experimental" 54 + "%nJVM startup should pass with " 55 + "-XX:+UnlockExperimentalVMOptions flag"; 56 // verify that there are no warning or error in VM output 57 CommandLineOptionTest.verifySameJVMStartup(null, 58 new String[]{ 59 RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR, 60 unrecongnizedOption 61 }, shouldPassMessage, "There should not be any warning when use" 62 + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK, 63 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 64 "-XX:+UseRTMLocking" 65 ); 66 67 CommandLineOptionTest.verifySameJVMStartup(null, 68 new String[]{ 69 RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR, 70 unrecongnizedOption 71 }, shouldPassMessage, "There should not be any warning when use" 72 + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK, 73 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 74 "-XX:-UseRTMLocking" 75 ); 76 // verify that UseRTMLocking is of by default 77 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking", 78 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE, 79 String.format("Default value of option 'UseRTMLocking' should " 80 + "be '%s'", DEFAULT_VALUE), 81 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS); 82 // verify that we can change UseRTMLocking value 83 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking", 84 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE, 85 String.format("Default value of option 'UseRTMLocking' should " 86 + "be '%s'", DEFAULT_VALUE), 87 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 88 "-XX:-UseRTMLocking"); 89 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking", 90 "true", "Value of 'UseRTMLocking' should be set " 91 + "to 'true' if -XX:+UseRTMLocking flag set", 92 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 93 "-XX:+UseRTMLocking"); 94 } 95 96 public static void main(String args[]) throws Throwable { 97 new TestUseRTMLockingOptionOnSupportedConfig().runTestCases(); 98 } 99 }