1 /*
   2  * Copyright (c) 2014, 2019, 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 that RTMLockingCalculationDelay affect when
  28  *          abort ratio calculation is started.
  29  * @library /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @requires vm.rtm.cpu & vm.rtm.compiler
  33  * @build sun.hotspot.WhiteBox
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm/native -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 jdk.test.lib.Asserts;
  47 import jdk.test.lib.process.OutputAnalyzer;
  48 import jdk.test.lib.cli.CommandLineOptionTest;
  49 
  50 /**
  51  * Test verifies that abort ratio calculation could be delayed using
  52  * RTMLockingCalculationDelay option.
  53  */
  54 public class TestRTMLockingCalculationDelay {
  55     private static final boolean INFLATE_MONITOR = true;
  56 
  57     protected void runTestCases() throws Throwable {
  58         // verify that calculation will be started immediately
  59         verifyLockingCalculationDelay(0, 0, true);
  60 
  61         // verify that calculation will not be started during
  62         // first 10 minutes, while test will be started immediately
  63         verifyLockingCalculationDelay(600000, 0, false);
  64 
  65         // verify that calculation will be started after a second
  66         verifyLockingCalculationDelay(1000, 1000, true);
  67     }
  68 
  69     private void verifyLockingCalculationDelay(long delay, long testDelay,
  70             boolean deoptExpected) throws Throwable {
  71         AbortProvoker provoker = AbortType.XABORT.provoker();
  72         String logFileName = String.format("rtm_delay_%d_%d.xml", delay,
  73                 testDelay);
  74 
  75         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  76                 logFileName,
  77                 provoker,
  78                 "-XX:+UseRTMDeopt",
  79                 CommandLineOptionTest.prepareNumericFlag(
  80                         "RTMLockingCalculationDelay", delay),
  81                 "-XX:RTMAbortRatio=0",
  82                 "-XX:RTMAbortThreshold=0",
  83                 AbortProvoker.class.getName(),
  84                 AbortType.XABORT.toString(),
  85                 Boolean.toString(
  86                         TestRTMLockingCalculationDelay.INFLATE_MONITOR),
  87                 Long.toString(AbortProvoker.DEFAULT_ITERATIONS),
  88                 Long.toString(testDelay)
  89         );
  90 
  91         outputAnalyzer.shouldHaveExitValue(0);
  92 
  93         int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName);
  94 
  95         if (deoptExpected) {
  96             Asserts.assertGT(deopts, 0, "At least one deoptimization due to "
  97                     + "rtm_state_chage is expected");
  98         } else {
  99             Asserts.assertEQ(deopts, 0, "No deoptimizations due to "
 100                     + "rtm_state_chage are expected");
 101         }
 102     }
 103 
 104     public static void main(String args[]) throws Throwable {
 105         new TestRTMLockingCalculationDelay().runTestCases();
 106     }
 107 }