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annotate test/compiler/rtm/print/TestPrintPreciseRTMLockingStatistics.java @ 19148:276bc2752feb

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author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 05 Feb 2015 03:42:23 +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 rtm locking statistics contain proper information
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29 * on overall aborts and locks count and count of aborts of
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30 * different types. Test also verify that VM output does not
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31 * contain rtm locking statistics when it should not.
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32 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
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33 * @build TestPrintPreciseRTMLockingStatistics
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34 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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36 * -XX:+WhiteBoxAPI TestPrintPreciseRTMLockingStatistics
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37 */
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38
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39 import java.util.*;
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40
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41 import com.oracle.java.testlibrary.*;
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42 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
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43 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
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44 import rtm.*;
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45 import rtm.predicate.SupportedCPU;
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46 import rtm.predicate.SupportedVM;
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47
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48 /**
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49 * Test verifies that VM output does not contain RTM locking statistics when it
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50 * should not (when PrintPreciseRTMLockingStatistics is off) and that with
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51 * -XX:+PrintPreciseRTMLockingStatistics locking statistics contains sane
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52 * total locks and aborts count as well as for specific abort types.
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53 */
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54 public class TestPrintPreciseRTMLockingStatistics
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55 extends CommandLineOptionTest {
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56 private TestPrintPreciseRTMLockingStatistics() {
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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 public void runTestCases() throws Throwable {
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62 verifyNoStatistics();
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63 verifyStatistics();
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64 }
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65
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66 // verify that VM output does not contain
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67 // rtm locking statistics
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68 private void verifyNoStatistics() throws Throwable {
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69 verifyNoStatistics(AbortType.XABORT);
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70
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71 verifyNoStatistics(AbortType.XABORT,
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72 "-XX:-PrintPreciseRTMLockingStatistics");
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73
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74 verifyNoStatistics(AbortType.XABORT, "-XX:-UseRTMLocking",
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75 "-XX:+PrintPreciseRTMLockingStatistics");
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76 }
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77
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78 // verify that rtm locking statistics contain information
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79 // about each type of aborts
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80 private void verifyStatistics() throws Throwable {
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81 verifyAbortsCount(AbortType.XABORT);
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82 verifyAbortsCount(AbortType.MEM_CONFLICT);
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83 verifyAbortsCount(AbortType.BUF_OVERFLOW);
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84 verifyAbortsCount(AbortType.NESTED_ABORT);
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85 }
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86
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87 private void verifyNoStatistics(AbortType abortProvokerType,
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88 String... vmOpts) throws Throwable {
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89 AbortProvoker provoker = abortProvokerType.provoker();
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90 List<String> finalVMOpts = new LinkedList<>();
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91 Collections.addAll(finalVMOpts, vmOpts);
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92 Collections.addAll(finalVMOpts, AbortProvoker.class.getName(),
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93 abortProvokerType.toString());
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94
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95 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(provoker,
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96 finalVMOpts.toArray(new String[finalVMOpts.size()]));
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97
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98 outputAnalyzer.shouldHaveExitValue(0);
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99
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100 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
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101 outputAnalyzer.getOutput());
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102
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103 Asserts.assertEQ(statistics.size(), 0, "VM output should not contain "
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104 + "any RTM locking statistics");
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105 }
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106
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107 private void verifyAbortsCount(AbortType abortType) throws Throwable {
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108 AbortProvoker provoker = abortType.provoker();
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109
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110 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
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111 provoker,
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112 "-XX:+PrintPreciseRTMLockingStatistics",
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113 AbortProvoker.class.getName(),
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114 abortType.toString());
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115
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116 outputAnalyzer.shouldHaveExitValue(0);
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117
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118 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
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119 provoker.getMethodWithLockName(),outputAnalyzer.getOutput());
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120
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121 Asserts.assertGT(statistics.size(), 0, "VM output should contain one "
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122 + "rtm locking statistics entry for method "
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123 + provoker.getMethodWithLockName());
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124
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125 RTMLockingStatistics lock = statistics.get(0);
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126
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127 Asserts.assertGT(lock.getTotalLocks(), 0L, "RTM locking statistics "
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128 + "should contain non zero total locks count");
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129
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130 Asserts.assertGT(lock.getTotalAborts(), 0L,
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131 "RTM locking statistics should contain non zero total aborts "
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132 + "count");
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133
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134 Asserts.assertGT(lock.getAborts(abortType), 0L, String.format(
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135 "RTM locking statistics should contain non zero aborts count "
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136 + "for abort reason %s", abortType));
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137 }
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138
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139 public static void main(String args[]) throws Throwable {
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140 new TestPrintPreciseRTMLockingStatistics().test();
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141 }
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142 }