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 that UseRTMDeopt affects uncommon trap installation in
  29  *          copmpiled methods with synchronized block.
  30  * @library /testlibrary /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build compiler.rtm.locking.TestUseRTMDeopt
  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.locking.TestUseRTMDeopt
  39  */
  40 
  41 package compiler.rtm.locking;
  42 
  43 import compiler.testlibrary.rtm.AbortProvoker;
  44 import compiler.testlibrary.rtm.AbortType;
  45 import compiler.testlibrary.rtm.RTMTestBase;
  46 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  47 import compiler.testlibrary.rtm.predicate.SupportedVM;
  48 import jdk.test.lib.Asserts;
  49 import jdk.test.lib.OutputAnalyzer;
  50 import jdk.test.lib.cli.CommandLineOptionTest;
  51 import jdk.test.lib.cli.predicate.AndPredicate;
  52 
  53 /**
  54  * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage
  55  * for methods that use locking.
  56  */
  57 public class TestUseRTMDeopt extends CommandLineOptionTest {
  58     private TestUseRTMDeopt() {
  59         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  60     }
  61 
  62     @Override
  63     protected void runTestCases() throws Throwable {
  64         verifyUseRTMDeopt(false);
  65         verifyUseRTMDeopt(true);
  66     }
  67 
  68     private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable {
  69         AbortProvoker provoker = AbortType.XABORT.provoker();
  70         String logFileName = String.format("rtm_%s_deopt.xml",
  71                 useRTMDeopt ? "use" : "no");
  72 
  73         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  74                 logFileName,
  75                 provoker,
  76                 CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",
  77                         useRTMDeopt),
  78                 AbortProvoker.class.getName(),
  79                 AbortType.XABORT.toString()
  80         );
  81 
  82         outputAnalyzer.shouldHaveExitValue(0);
  83 
  84         int expectedUncommonTraps = useRTMDeopt ? 1 : 0;
  85         int installedUncommonTraps
  86                 = RTMTestBase.installedRTMStateChangeTraps(logFileName);
  87 
  88         Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps,
  89                 String.format("Expected to find %d uncommon traps "
  90                               + "installed with reason rtm_state_change.",
  91                         expectedUncommonTraps));
  92     }
  93 
  94     public static void main(String args[]) throws Throwable {
  95         new TestUseRTMDeopt().test();
  96     }
  97 }