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 RTMLockingCalculationDelay affect when
  29  *          abort ratio calculation is started.
  30  * @library /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  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.locking.TestRTMLockingCalculationDelay
  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.process.OutputAnalyzer;
  50 import jdk.test.lib.cli.CommandLineOptionTest;
  51 import jdk.test.lib.cli.predicate.AndPredicate;
  52 
  53 /**
  54  * Test verifies that abort ratio calculation could be delayed using
  55  * RTMLockingCalculationDelay option.
  56  */
  57 public class TestRTMLockingCalculationDelay extends CommandLineOptionTest {
  58     private static final boolean INFLATE_MONITOR = true;
  59 
  60     private TestRTMLockingCalculationDelay() {
  61         super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
  62     }
  63 
  64     @Override
  65     protected void runTestCases() throws Throwable {
  66         // verify that calculation will be started immediately
  67         verifyLockingCalculationDelay(0, 0, true);
  68 
  69         // verify that calculation will not be started during
  70         // first 10 minutes, while test will be started immediately
  71         verifyLockingCalculationDelay(600000, 0, false);
  72 
  73         // verify that calculation will be started after a second
  74         verifyLockingCalculationDelay(1000, 1000, true);
  75     }
  76 
  77     private void verifyLockingCalculationDelay(long delay, long testDelay,
  78             boolean deoptExpected) throws Throwable {
  79         AbortProvoker provoker = AbortType.XABORT.provoker();
  80         String logFileName = String.format("rtm_delay_%d_%d.xml", delay,
  81                 testDelay);
  82 
  83         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  84                 logFileName,
  85                 provoker,
  86                 "-XX:+UseRTMDeopt",
  87                 CommandLineOptionTest.prepareNumericFlag(
  88                         "RTMLockingCalculationDelay", delay),
  89                 "-XX:RTMAbortRatio=0",
  90                 "-XX:RTMAbortThreshold=0",
  91                 AbortProvoker.class.getName(),
  92                 AbortType.XABORT.toString(),
  93                 Boolean.toString(
  94                         TestRTMLockingCalculationDelay.INFLATE_MONITOR),
  95                 Long.toString(AbortProvoker.DEFAULT_ITERATIONS),
  96                 Long.toString(testDelay)
  97         );
  98 
  99         outputAnalyzer.shouldHaveExitValue(0);
 100 
 101         int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName);
 102 
 103         if (deoptExpected) {
 104             Asserts.assertGT(deopts, 0, "At least one deoptimization due to "
 105                     + "rtm_state_chage is expected");
 106         } else {
 107             Asserts.assertEQ(deopts, 0, "No deoptimizations due to "
 108                     + "rtm_state_chage are expected");
 109         }
 110     }
 111 
 112     public static void main(String args[]) throws Throwable {
 113         new TestRTMLockingCalculationDelay().test();
 114     }
 115 }