Mercurial > hg > graal-compiler
annotate test/compiler/rtm/locking/TestRTMRetryCount.java @ 20082:5ea03a00828a
allow direct call derived from constant MethodHandle if JDK version >= 1.8.0_60
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 30 Mar 2015 17:49:15 +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 RTMRetryCount affects actual amount of retries. |
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29 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary |
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30 * @build TestRTMRetryCount |
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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 TestRTMRetryCount |
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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 RTMRetryCount option actually affects amount of |
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47 * retries on lock busy. |
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48 */ |
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49 public class TestRTMRetryCount extends CommandLineOptionTest { |
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50 /** |
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51 * Time in ms, during which busy lock will be locked. |
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52 */ |
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53 private static final int LOCKING_TIME = 5000; |
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54 private static final boolean INFLATE_MONITOR = true; |
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55 |
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56 private TestRTMRetryCount() { |
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57 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); |
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58 } |
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59 |
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60 @Override |
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61 protected void runTestCases() throws Throwable { |
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62 verifyRTMRetryCount(0); |
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63 verifyRTMRetryCount(1); |
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64 verifyRTMRetryCount(5); |
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65 verifyRTMRetryCount(10); |
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66 } |
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67 |
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68 private void verifyRTMRetryCount(int retryCount) throws Throwable { |
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69 CompilableTest busyLock = new BusyLock(); |
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70 long expectedAborts = retryCount + 1L; |
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71 |
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72 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( |
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73 busyLock, |
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74 "-XX:-UseRTMXendForLockBusy", |
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75 "-XX:RTMTotalCountIncrRate=1", |
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76 CommandLineOptionTest.prepareNumericFlag("RTMRetryCount", |
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77 retryCount), |
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78 "-XX:RTMTotalCountIncrRate=1", |
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79 "-XX:+PrintPreciseRTMLockingStatistics", |
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80 BusyLock.class.getName(), |
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81 Boolean.toString(TestRTMRetryCount.INFLATE_MONITOR), |
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82 Integer.toString(TestRTMRetryCount.LOCKING_TIME) |
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83 ); |
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84 |
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85 outputAnalyzer.shouldHaveExitValue(0); |
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86 |
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87 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( |
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88 busyLock.getMethodWithLockName(), outputAnalyzer.getStdout()); |
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89 |
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90 Asserts.assertEQ(statistics.size(), 1, "VM output should contain " |
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91 + "exactly one rtm locking statistics entry for method " |
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92 + busyLock.getMethodWithLockName()); |
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93 |
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94 Asserts.assertEQ(statistics.get(0).getTotalAborts(), expectedAborts, |
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95 String.format("It is expected to get %d aborts", |
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96 expectedAborts)); |
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97 } |
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98 |
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99 public static void main(String args[]) throws Throwable { |
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100 new TestRTMRetryCount().test(); |
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101 } |
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102 } |