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annotate test/compiler/rtm/locking/TestUseRTMXendForLockBusy.java @ 18781:941761f6b736

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Truffle-DSL: fixed thrown exception messages should provide more contextual information. (reported by Benoit Daloze)
author Christian Humer <christian.humer@gmail.com>
date Mon, 05 Jan 2015 20:23:22 +0100
parents ba8268c23fa2
children
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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 UseRTMXendForLockBusy option affects
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29 * method behaviour if lock is busy.
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30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
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31 * @build TestUseRTMXendForLockBusy
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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 TestUseRTMXendForLockBusy
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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 with +UseRTMXendForLockBusy there will be no aborts
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48 * forced by the test.
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49 */
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50 public class TestUseRTMXendForLockBusy extends CommandLineOptionTest {
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51 private final static int LOCKING_TIME = 5000;
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52
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53 private TestUseRTMXendForLockBusy() {
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54 super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
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55 }
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56
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57 @Override
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58 protected void runTestCases() throws Throwable {
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59 // inflated lock, xabort on lock busy
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60 verifyXendForLockBusy(true, false);
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61 // inflated lock, xend on lock busy
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62 verifyXendForLockBusy(true, true);
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63 // stack lock, xabort on lock busy
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64 verifyXendForLockBusy(false, false);
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65 // stack lock, xend on lock busy
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66 verifyXendForLockBusy(false, true);
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67 }
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68
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69 private void verifyXendForLockBusy(boolean inflateMonitor,
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70 boolean useXend) throws Throwable {
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71 CompilableTest test = new BusyLock();
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72
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73 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
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74 test,
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75 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
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76 inflateMonitor),
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77 CommandLineOptionTest.prepareBooleanFlag(
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78 "UseRTMXendForLockBusy",
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79 useXend),
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80 "-XX:RTMRetryCount=0",
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81 "-XX:RTMTotalCountIncrRate=1",
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82 "-XX:+PrintPreciseRTMLockingStatistics",
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83 BusyLock.class.getName(),
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84 Boolean.toString(inflateMonitor),
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85 Integer.toString(TestUseRTMXendForLockBusy.LOCKING_TIME)
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86 );
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87
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88 outputAnalyzer.shouldHaveExitValue(0);
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89
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90 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
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91 test.getMethodWithLockName(), outputAnalyzer.getOutput());
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92
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93 Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
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94 + "exactly one rtm locking statistics entry for method "
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95 + test.getMethodWithLockName());
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96
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97 long aborts = statistics.get(0).getAborts(AbortType.XABORT);
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98
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99 if (useXend) {
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100 Asserts.assertEQ(aborts, 0L,
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101 "Expected to get no aborts on busy lock");
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102 } else {
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103 Asserts.assertGT(aborts, 0L,
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104 "Expected to get at least one abort on busy lock");
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105 }
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106 }
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107
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108 public static void main(String args[]) throws Throwable {
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109 new TestUseRTMXendForLockBusy().test();
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110 }
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111 }