Mercurial > hg > truffle
annotate test/compiler/rtm/locking/TestRTMDeoptOnHighAbortRatio.java @ 20162:ba0f264a71cf
added support for inlining graphs derived from InvocationPlugins
author | Doug Simon <doug.simon@oracle.com> |
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date | Sat, 04 Apr 2015 19:47:04 +0200 |
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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 on high abort ratio method will be recompiled |
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29 * without rtm locking. |
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30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary |
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31 * @build TestRTMDeoptOnHighAbortRatio |
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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 TestRTMDeoptOnHighAbortRatio |
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35 */ |
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36 |
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37 import java.util.List; |
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38 import com.oracle.java.testlibrary.*; |
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39 import com.oracle.java.testlibrary.cli.CommandLineOptionTest; |
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40 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; |
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41 import rtm.*; |
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42 import rtm.predicate.SupportedCPU; |
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43 import rtm.predicate.SupportedVM; |
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44 |
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45 /** |
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46 * Test verifies that on high abort ratio method wil be deoptimized with |
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47 * <i>rtm_state_change</i> reason and after that RTM-based lock elision will not |
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48 * be used for that method. |
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49 * This test make asserts on total locks count done by compiled method, |
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50 * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used. |
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51 * For more details on that issue see {@link TestUseRTMAfterLockInflation}. |
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52 */ |
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53 public class TestRTMDeoptOnHighAbortRatio extends CommandLineOptionTest { |
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54 private static final long ABORT_THRESHOLD |
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55 = AbortProvoker.DEFAULT_ITERATIONS / 2L; |
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56 |
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57 private TestRTMDeoptOnHighAbortRatio() { |
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58 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); |
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59 } |
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60 |
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61 @Override |
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62 protected void runTestCases() throws Throwable { |
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63 verifyDeopt(false); |
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64 verifyDeopt(true); |
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65 } |
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66 |
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67 private void verifyDeopt(boolean useStackLock) throws Throwable { |
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68 AbortProvoker provoker = AbortType.XABORT.provoker(); |
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69 String logFileName = String.format("rtm_deopt_%s_stack_lock.xml", |
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70 (useStackLock ? "use" : "no")); |
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71 |
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72 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( |
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73 logFileName, |
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74 provoker, |
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75 "-XX:+UseRTMDeopt", |
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76 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks", |
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77 useStackLock), |
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78 "-XX:RTMRetryCount=0", |
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79 CommandLineOptionTest.prepareNumericFlag("RTMAbortThreshold", |
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80 TestRTMDeoptOnHighAbortRatio.ABORT_THRESHOLD), |
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81 "-XX:RTMAbortRatio=100", |
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82 "-XX:CompileThreshold=1", |
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83 "-XX:RTMTotalCountIncrRate=1", |
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84 "-XX:+PrintPreciseRTMLockingStatistics", |
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85 AbortProvoker.class.getName(), |
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86 AbortType.XABORT.toString(), |
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87 Boolean.toString(!useStackLock) |
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88 ); |
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89 |
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90 outputAnalyzer.shouldHaveExitValue(0); |
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91 |
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92 int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName); |
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93 |
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94 Asserts.assertEQ(firedTraps, 1, "Expected to get only one " |
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95 + "deoptimization due to rtm state change"); |
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96 |
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97 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( |
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98 provoker.getMethodWithLockName(), outputAnalyzer.getOutput()); |
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99 |
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100 Asserts.assertEQ(statistics.size(), 1, "VM output should contain " |
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101 + "exactly one RTM locking statistics entry for method " |
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102 + provoker.getMethodWithLockName()); |
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103 |
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104 Asserts.assertEQ(statistics.get(0).getTotalLocks(), |
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105 TestRTMDeoptOnHighAbortRatio.ABORT_THRESHOLD, |
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106 "After AbortThreshold was reached, method should be" |
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107 + " recompiled without rtm lock eliding."); |
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108 } |
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109 |
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110 public static void main(String args[]) throws Throwable { |
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111 new TestRTMDeoptOnHighAbortRatio().test(); |
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112 } |
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113 } |
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114 |