Mercurial > hg > truffle
annotate test/compiler/rtm/locking/TestUseRTMAfterLockInflation.java @ 20821:1bfa14fd1275
Cache the reflection Field in HotSpotResolvedFieldImpl, since it is accessed repeatedly when accessing the annotations of the field
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 08 Apr 2015 21:58:46 -0700 |
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1 /* |
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 /** |
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26 * @test |
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27 * @bug 8031320 |
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28 * @summary Verify that rtm locking is used for stack locks before |
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29 * inflation and after it used for inflated locks. |
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30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary |
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31 * @build TestUseRTMAfterLockInflation |
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32 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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34 * -XX:+WhiteBoxAPI TestUseRTMAfterLockInflation |
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35 */ |
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36 |
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37 import java.util.List; |
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38 |
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39 import com.oracle.java.testlibrary.*; |
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40 import com.oracle.java.testlibrary.cli.CommandLineOptionTest; |
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41 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; |
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42 import rtm.*; |
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43 import rtm.predicate.SupportedCPU; |
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44 import rtm.predicate.SupportedVM; |
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45 |
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46 /** |
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47 * Test verifies that RTM is used after lock inflation by executing compiled |
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48 * method with RTM-based lock elision using stack lock first, then that lock |
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49 * is inflated and the same compiled method invoked again. |
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50 * |
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51 * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times before |
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52 * lock inflation and the same amount of times after inflation. |
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53 * As a result total locks count should be equal to |
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54 * {@code 2*AbortProvoker.DEFAULT_ITERATIONS}. |
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55 * It is a pretty strict assertion which could fail if some retriable abort |
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56 * happened: it could be {@code AbortType.RETRIABLE} or |
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57 * {@code AbortType.MEM_CONFLICT}, but unfortunately abort can has both these |
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58 * reasons simultaneously. In order to avoid false negative failures related |
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59 * to incorrect aborts counting, -XX:RTMRetryCount=0 is used. |
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60 */ |
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61 public class TestUseRTMAfterLockInflation extends CommandLineOptionTest { |
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62 private static final long EXPECTED_LOCKS |
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63 = 2L * AbortProvoker.DEFAULT_ITERATIONS; |
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64 |
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65 private TestUseRTMAfterLockInflation() { |
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66 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); |
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67 } |
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68 |
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69 @Override |
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70 protected void runTestCases() throws Throwable { |
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71 AbortProvoker provoker = AbortType.XABORT.provoker(); |
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72 long totalLocksCount = 0; |
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73 |
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74 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( |
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75 provoker, |
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76 "-XX:+UseRTMForStackLocks", |
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77 "-XX:RTMTotalCountIncrRate=1", |
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78 "-XX:RTMRetryCount=0", |
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79 "-XX:+PrintPreciseRTMLockingStatistics", |
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80 Test.class.getName(), |
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81 AbortType.XABORT.toString()); |
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82 |
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83 outputAnalyzer.shouldHaveExitValue(0); |
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84 |
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85 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( |
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86 provoker.getMethodWithLockName(), outputAnalyzer.getOutput()); |
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87 |
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88 Asserts.assertEQ(statistics.size(), 2, |
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89 "VM output should contain two rtm locking statistics entries " |
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90 + "for method " + provoker.getMethodWithLockName()); |
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91 |
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92 for (RTMLockingStatistics s : statistics) { |
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93 totalLocksCount += s.getTotalLocks(); |
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94 } |
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95 |
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96 Asserts.assertEQ(totalLocksCount, |
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97 TestUseRTMAfterLockInflation.EXPECTED_LOCKS, |
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98 "Total lock count should be greater or equal to " |
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99 + TestUseRTMAfterLockInflation.EXPECTED_LOCKS); |
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100 } |
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101 |
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102 public static class Test { |
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103 |
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104 /** |
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105 * Usage: |
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106 * Test <provoker type> |
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107 */ |
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108 public static void main(String args[]) throws Throwable { |
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109 Asserts.assertGT(args.length, 0, |
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110 "AbortType name is expected as first argument."); |
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111 |
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112 AbortProvoker provoker |
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113 = AbortType.lookup(Integer.valueOf(args[0])).provoker(); |
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114 for (int i = 0; i < AbortProvoker.DEFAULT_ITERATIONS; i++) { |
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115 provoker.forceAbort(); |
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116 } |
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117 provoker.inflateMonitor(); |
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118 for (int i = 0; i < AbortProvoker.DEFAULT_ITERATIONS; i++) { |
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119 provoker.forceAbort(); |
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120 } |
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121 } |
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122 } |
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123 |
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124 public static void main(String args[]) throws Throwable { |
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125 new TestUseRTMAfterLockInflation().test(); |
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126 } |
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127 } |