Mercurial > hg > truffle
annotate test/compiler/rtm/locking/TestUseRTMForStackLocks.java @ 19131:cd49455040c1
LIRGeneratorTool: change return type from Value to Variable for most emit methods.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Wed, 04 Feb 2015 14:33:27 +0100 |
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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. |
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29 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary |
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30 * @build TestUseRTMForStackLocks |
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31 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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33 * -XX:+WhiteBoxAPI TestUseRTMForStackLocks |
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34 */ |
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35 |
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36 import java.util.List; |
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37 |
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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 RTM-based lock elision could be used for stack locks |
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47 * by calling compiled method that use RTM-based lock elision and using |
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48 * stack lock. |
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49 * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times, |
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50 * so total locks count should be the same. |
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51 * This test could also be affected by retriable aborts, so -XX:RTMRetryCount=0 |
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52 * is used. For more information abort that issue see |
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53 * {@link TestUseRTMAfterLockInflation}. |
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54 */ |
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55 public class TestUseRTMForStackLocks extends CommandLineOptionTest { |
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56 private static final boolean INFLATE_MONITOR = false; |
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57 |
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58 private TestUseRTMForStackLocks() { |
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59 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); |
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60 } |
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61 |
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62 @Override |
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63 protected void runTestCases() throws Throwable { |
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64 AbortProvoker provoker = AbortType.XABORT.provoker(); |
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65 RTMLockingStatistics lock; |
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66 |
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67 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( |
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68 provoker, |
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69 "-XX:+UseRTMForStackLocks", |
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70 "-XX:RTMTotalCountIncrRate=1", |
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71 "-XX:RTMRetryCount=0", |
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72 "-XX:+PrintPreciseRTMLockingStatistics", |
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73 AbortProvoker.class.getName(), |
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74 AbortType.XABORT.toString(), |
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75 Boolean.toString(TestUseRTMForStackLocks.INFLATE_MONITOR)); |
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76 |
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77 outputAnalyzer.shouldHaveExitValue(0); |
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78 |
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79 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( |
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80 provoker.getMethodWithLockName(), outputAnalyzer.getOutput()); |
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81 |
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82 Asserts.assertEQ(statistics.size(), 1, |
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83 "VM output should contain exactly one rtm locking statistics " |
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84 + "entry for method " + provoker.getMethodWithLockName()); |
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85 |
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86 lock = statistics.get(0); |
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87 Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS, |
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88 "Total locks count should be greater or equal to " |
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89 + AbortProvoker.DEFAULT_ITERATIONS); |
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90 } |
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91 |
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92 public static void main(String args[]) throws Throwable { |
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93 new TestUseRTMForStackLocks().test(); |
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94 } |
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95 } |