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 UseRTMDeopt option processing on CPUs with rtm support 29 * when rtm locking is supported by VM. 30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary 31 * @build TestUseRTMDeoptOptionOnSupportedConfig 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnSupportedConfig 36 */ 37 38 import com.oracle.java.testlibrary.ExitCode; 39 import com.oracle.java.testlibrary.cli.CommandLineOptionTest; 40 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; 41 import rtm.predicate.SupportedCPU; 42 import rtm.predicate.SupportedVM; 43 44 public class TestUseRTMDeoptOptionOnSupportedConfig 45 extends CommandLineOptionTest { 46 private static final String DEFAULT_VALUE = "false"; 47 48 private TestUseRTMDeoptOptionOnSupportedConfig() { 49 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 50 } 51 52 @Override 53 public void runTestCases() throws Throwable { 54 // verify that option could be turned on 55 CommandLineOptionTest.verifySameJVMStartup( 56 null, null, ExitCode.OK, "-XX:+UseRTMDeopt"); 57 // verify that option could be turned off 58 CommandLineOptionTest.verifySameJVMStartup( 59 null, null, ExitCode.OK, "-XX:-UseRTMDeopt"); 60 // verify default value 61 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 62 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE); 63 // verify default value 64 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", 65 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE, 66 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 67 "-XX:+UseRTMLocking"); 68 // verify that option is off when UseRTMLocking is off 69 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "false", 70 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 71 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt"); 72 // verify that option could be turned on 73 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true", 74 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS, 75 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt"); 76 } 77 78 public static void main(String args[]) throws Throwable { 79 new TestUseRTMDeoptOptionOnSupportedConfig().test(); 80 } 81 }