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 UseRTMDeopt option processing on CPUs with rtm support 28 * when rtm locking is supported by VM. 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.TestUseRTMDeoptOptionOnSupportedConfig 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 TestUseRTMDeoptOptionOnSupportedConfig { 47 private static final String DEFAULT_VALUE = "false"; 48 49 public void runTestCases() throws Throwable { 50 String shouldPassMessage = " JVM should startup with option '" 51 + "-XX:+UseRTMDeopt' without any warnings"; 52 // verify that option could be turned on 53 CommandLineOptionTest.verifySameJVMStartup( 54 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK, 55 "-XX:+UseRTMDeopt"); 56 shouldPassMessage = " JVM should startup with option '" 57 + "-XX:-UseRTMDeopt' without any warnings"; 58 // verify that option could be turned off 59 CommandLineOptionTest.verifySameJVMStartup( 60 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK, 61 "-XX:-UseRTMDeopt"); 62 String defValMessage = String.format("UseRTMDeopt should have '%s'" 63 + "default value", 64 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE); 65 // verify default value 66 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 67 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE, 68 defValMessage); 69 // verify default value 70 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 71 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE, 72 defValMessage, 73 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 74 "-XX:+UseRTMLocking"); 75 // verify that option is off when UseRTMLocking is off 76 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 77 "false", "UseRTMDeopt should be off when UseRTMLocking is off", 78 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 79 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt"); 80 // verify that option could be turned on 81 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true", 82 "UseRTMDeopt should be on when UseRTMLocking is on and " 83 + "'-XX:+UseRTMDeopt' flag set", 84 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 85 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt"); 86 } 87 88 public static void main(String args[]) throws Throwable { 89 new TestUseRTMDeoptOptionOnSupportedConfig().runTestCases(); 90 } 91 }