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 that UseRTMDeopt affects uncommon trap installation in
  29  *          copmpiled methods with synchronized block.
  30  * @library /testlibrary /../../test/lib /compiler/testlibrary
  31  * @build TestUseRTMDeopt
  32  * @run main ClassFileInstaller jdk.testlib.WhiteBox
  33  *                              jdk.testlib.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestUseRTMDeopt
  36  */
  37 
  38 import com.oracle.java.testlibrary.*;
  39 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  40 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  41 import rtm.*;
  42 import rtm.predicate.SupportedCPU;
  43 import rtm.predicate.SupportedVM;
  44 
  45 /**
  46  * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage
  47  * for methods that use locking.
  48  */
  49 public class TestUseRTMDeopt extends CommandLineOptionTest {
  50     private TestUseRTMDeopt() {
  51         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  52     }
  53 
  54     @Override
  55     protected void runTestCases() throws Throwable {
  56         verifyUseRTMDeopt(false);
  57         verifyUseRTMDeopt(true);
  58     }
  59 
  60     private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable {
  61         AbortProvoker provoker = AbortType.XABORT.provoker();
  62         String logFileName = String.format("rtm_%s_deopt.xml",
  63                 useRTMDeopt ? "use" : "no");
  64 
  65         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  66                 logFileName,
  67                 provoker,
  68                 CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",
  69                         useRTMDeopt),
  70                 AbortProvoker.class.getName(),
  71                 AbortType.XABORT.toString()
  72         );
  73 
  74         outputAnalyzer.shouldHaveExitValue(0);
  75 
  76         int expectedUncommonTraps = useRTMDeopt ? 1 : 0;
  77         int installedUncommonTraps
  78                 = RTMTestBase.installedRTMStateChangeTraps(logFileName);
  79 
  80         Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps,
  81                 String.format("Expected to find %d uncommon traps "
  82                               + "installed with reason rtm_state_change.",
  83                         expectedUncommonTraps));
  84     }
  85 
  86     public static void main(String args[]) throws Throwable {
  87         new TestUseRTMDeopt().test();
  88     }
  89 }