1 /* 2 * Copyright (c) 2014, 2015, 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 UseRTMDeopt option processing on CPUs with rtm support 29 * when rtm locking is supported by VM. 30 * @library /testlibrary /../../test/lib /compiler/testlibrary 31 * @modules java.base/sun.misc 32 * java.management 33 * @build TestUseRTMDeoptOptionOnSupportedConfig 34 * @run main ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnSupportedConfig 38 */ 39 40 import jdk.test.lib.ExitCode; 41 import jdk.test.lib.cli.CommandLineOptionTest; 42 import jdk.test.lib.cli.predicate.AndPredicate; 43 import rtm.predicate.SupportedCPU; 44 import rtm.predicate.SupportedVM; 45 46 public class TestUseRTMDeoptOptionOnSupportedConfig 47 extends CommandLineOptionTest { 48 private static final String DEFAULT_VALUE = "false"; 49 50 private TestUseRTMDeoptOptionOnSupportedConfig() { 51 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 52 } 53 54 @Override 55 public void runTestCases() throws Throwable { 56 String shouldPassMessage = " JVM should startup with option '" 57 + "-XX:+UseRTMDeopt' without any warnings"; 58 // verify that option could be turned on 59 CommandLineOptionTest.verifySameJVMStartup( 60 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK, 61 "-XX:+UseRTMDeopt"); 62 shouldPassMessage = " JVM should startup with option '" 63 + "-XX:-UseRTMDeopt' without any warnings"; 64 // verify that option could be turned off 65 CommandLineOptionTest.verifySameJVMStartup( 66 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK, 67 "-XX:-UseRTMDeopt"); 68 String defValMessage = String.format("UseRTMDeopt should have '%s'" 69 + "default value", 70 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE); 71 // verify default value 72 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 73 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE, 74 defValMessage); 75 // verify default value 76 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 77 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE, 78 defValMessage, 79 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 80 "-XX:+UseRTMLocking"); 81 // verify that option is off when UseRTMLocking is off 82 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 83 "false", "UseRTMDeopt should be off when UseRTMLocking is off", 84 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 85 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt"); 86 // verify that option could be turned on 87 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true", 88 "UseRTMDeopt should be on when UseRTMLocking is on and " 89 + "'-XX:+UseRTMDeopt' flag set", 90 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 91 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt"); 92 } 93 94 public static void main(String args[]) throws Throwable { 95 new TestUseRTMDeoptOptionOnSupportedConfig().test(); 96 } 97 }