Mercurial > hg > graal-compiler
annotate test/compiler/rtm/locking/TestUseRTMXendForLockBusy.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 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 } |