Mercurial > hg > truffle
annotate test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java @ 21328:de17f6676a43
LinearScan: encapsulate opIdToBlockMap and opIdToInstructionMap.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 12 May 2015 12:19:39 +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 UseRTMLockEliding option could be applied to |
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29 * specified method and that such method will not be deoptimized |
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30 * on high abort ratio. |
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31 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary |
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32 * @build TestUseRTMLockElidingOption |
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33 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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35 * -XX:+WhiteBoxAPI TestUseRTMLockElidingOption |
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36 */ |
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37 |
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38 import java.util.List; |
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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 method tagged with option <i>UseRTMLockElidingOption</i> |
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48 * will use RTM-based lock elision, but will be never deoptimized with |
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49 * <i>rtm_state_change reason</i>. |
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50 * Test invokes compiled method and checks that no deoptimization with |
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51 * <i>rtm_state_change</i> reason had happened and that that VM output |
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52 * contains RTM locking statistics for compiled method and that total locks |
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53 * count equals to method's invocations. |
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54 * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order |
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55 * to avoid issue with retriable aborts described in |
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56 * {@link TestUseRTMAfterLockInflation}. |
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57 */ |
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58 public class TestUseRTMLockElidingOption extends CommandLineOptionTest { |
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59 private TestUseRTMLockElidingOption() { |
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60 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); |
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61 } |
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62 |
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63 @Override |
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64 public void runTestCases() throws Throwable { |
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65 verifyOption(false); |
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66 verifyOption(true); |
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67 } |
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68 |
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69 public void verifyOption(boolean useStackLock) throws Throwable { |
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70 AbortProvoker provoker = AbortType.XABORT.provoker(); |
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71 String logFileName = String.format("rtm_deopt_%s_stack_lock.xml", |
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72 (useStackLock ? "use" : "no")); |
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73 String methodOption = String.format("-XX:CompileCommand=option," + |
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74 "%s,UseRTMLockEliding", provoker.getMethodWithLockName()); |
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75 |
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76 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( |
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77 logFileName, |
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78 provoker, |
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79 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks", |
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80 useStackLock), |
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81 methodOption, |
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82 "-XX:RTMTotalCountIncrRate=1", |
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83 "-XX:RTMRetryCount=0", |
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84 "-XX:+UseRTMDeopt", |
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85 "-XX:+PrintPreciseRTMLockingStatistics", |
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86 provoker.getClass().getName(), |
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87 AbortType.XABORT.toString(), |
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88 Boolean.toString(!useStackLock) |
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89 ); |
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90 |
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91 outputAnalyzer.shouldHaveExitValue(0); |
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92 |
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93 int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName); |
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94 |
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95 Asserts.assertEQ(firedTraps, 0, |
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96 "Method deoptimization with rtm_state_change is unexpected"); |
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97 |
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98 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( |
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99 provoker.getMethodWithLockName(), outputAnalyzer.getOutput()); |
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100 |
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101 Asserts.assertEQ(statistics.size(), 1, |
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102 "VM output should contain exactly one RTM locking " |
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103 + "statistics entry for method " |
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104 + provoker.getMethodWithLockName()); |
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105 |
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106 RTMLockingStatistics lock = statistics.get(0); |
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107 |
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108 Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS, |
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109 "Expected to get total locks count equal to total amount of " |
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110 + "lock attempts."); |
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111 } |
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112 |
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113 public static void main(String args[]) throws Throwable { |
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114 new TestUseRTMLockElidingOption().test(); |
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115 } |
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116 } |