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 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify UseRTMDeopt option processing on CPUs without rtm support 29 * or on VMs without rtm locking support. 30 * @library /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * 34 * @build sun.hotspot.WhiteBox 35 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 36 * sun.hotspot.WhiteBox$WhiteBoxPermission 37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 38 * -XX:+WhiteBoxAPI 39 * compiler.rtm.cli.TestUseRTMDeoptOptionOnUnsupportedConfig 40 */ 41 42 package compiler.rtm.cli; 43 44 import compiler.testlibrary.rtm.predicate.SupportedCPU; 45 import compiler.testlibrary.rtm.predicate.SupportedOS; 46 import compiler.testlibrary.rtm.predicate.SupportedVM; 47 import jdk.test.lib.cli.CommandLineOptionTest; 48 import jdk.test.lib.cli.predicate.AndPredicate; 49 import jdk.test.lib.cli.predicate.NotPredicate; 50 51 public class TestUseRTMDeoptOptionOnUnsupportedConfig 52 extends RTMGenericCommandLineOptionTest { 53 private static final String DEFAULT_VALUE = "false"; 54 55 private TestUseRTMDeoptOptionOnUnsupportedConfig() { 56 super(new NotPredicate( 57 new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM())), 58 "UseRTMDeopt", true, false, 59 TestUseRTMDeoptOptionOnUnsupportedConfig.DEFAULT_VALUE, 60 "true"); 61 } 62 63 @Override 64 protected void runX86SupportedVMTestCases() throws Throwable { 65 super.verifyJVMStartup(); 66 // verify default value 67 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 68 defaultValue, String.format("'%s' should have '%s' " 69 + "default value on unsupported configs.", 70 optionName, DEFAULT_VALUE)); 71 // verify that until RTMLocking is not used, value 72 // will be set to default false. 73 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, 74 defaultValue, String.format("'%s' should be off on unsupported" 75 + " configs even if '-XX:+%s' flag set", optionName, 76 optionName), 77 "-XX:+UseRTMDeopt"); 78 } 79 80 public static void main(String args[]) throws Throwable { 81 new TestUseRTMDeoptOptionOnUnsupportedConfig().test(); 82 } 83 }