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annotate test/gc/g1/TestGCLogMessages.java @ 24234:ea6f94ab283b default tip

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Added tag jvmci-0.36 for changeset 8128b98d4736
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Mon, 18 Sep 2017 18:49:45 +0200
parents a5b77ac78ad2
children
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1 /*
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2 * Copyright (c) 2014, 2015, 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 * @test TestGCLogMessages
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26 * @bug 8035406 8027295 8035398 8019342 8027959 8048179 8027962
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27 * @summary Ensure that the PrintGCDetails output for a minor GC with G1
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28 * includes the expected necessary messages.
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29 * @key gc
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30 * @library /testlibrary
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31 */
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32
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33 import com.oracle.java.testlibrary.ProcessTools;
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34 import com.oracle.java.testlibrary.OutputAnalyzer;
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35
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36 public class TestGCLogMessages {
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37
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38 private enum Level {
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39 OFF, FINER, FINEST;
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40 public boolean lessOrEqualTo(Level other) {
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41 return this.compareTo(other) < 0;
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42 }
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43 }
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44
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45 private class LogMessageWithLevel {
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46 String message;
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47 Level level;
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48
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49 public LogMessageWithLevel(String message, Level level) {
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50 this.message = message;
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51 this.level = level;
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52 }
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53 };
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54
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55 private LogMessageWithLevel allLogMessages[] = new LogMessageWithLevel[] {
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56 // Ext Root Scan
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57 new LogMessageWithLevel("Thread Roots (ms)", Level.FINEST),
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58 new LogMessageWithLevel("StringTable Roots (ms)", Level.FINEST),
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59 new LogMessageWithLevel("Universe Roots (ms)", Level.FINEST),
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60 new LogMessageWithLevel("JNI Handles Roots (ms)", Level.FINEST),
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61 new LogMessageWithLevel("ObjectSynchronizer Roots (ms)", Level.FINEST),
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62 new LogMessageWithLevel("FlatProfiler Roots", Level.FINEST),
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63 new LogMessageWithLevel("Management Roots", Level.FINEST),
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64 new LogMessageWithLevel("SystemDictionary Roots", Level.FINEST),
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65 new LogMessageWithLevel("CLDG Roots", Level.FINEST),
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66 new LogMessageWithLevel("JVMTI Roots", Level.FINEST),
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67 new LogMessageWithLevel("CodeCache Roots", Level.FINEST),
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68 new LogMessageWithLevel("SATB Filtering", Level.FINEST),
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69 new LogMessageWithLevel("CM RefProcessor Roots", Level.FINEST),
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70 new LogMessageWithLevel("Wait For Strong CLD", Level.FINEST),
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71 new LogMessageWithLevel("Weak CLD Roots", Level.FINEST),
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72 // Redirty Cards
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73 new LogMessageWithLevel("Redirty Cards", Level.FINER),
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74 new LogMessageWithLevel("Parallel Redirty", Level.FINEST),
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75 new LogMessageWithLevel("Redirtied Cards", Level.FINEST),
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76 // Misc Top-level
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77 new LogMessageWithLevel("Code Root Purge", Level.FINER),
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78 new LogMessageWithLevel("String Dedup Fixup", Level.FINER),
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79 // Free CSet
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80 new LogMessageWithLevel("Young Free CSet", Level.FINEST),
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81 new LogMessageWithLevel("Non-Young Free CSet", Level.FINEST),
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82 // Humongous Eager Reclaim
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83 new LogMessageWithLevel("Humongous Reclaim", Level.FINER),
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84 new LogMessageWithLevel("Humongous Register", Level.FINER),
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85 };
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86
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87 void checkMessagesAtLevel(OutputAnalyzer output, LogMessageWithLevel messages[], Level level) throws Exception {
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88 for (LogMessageWithLevel l : messages) {
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89 if (level.lessOrEqualTo(l.level)) {
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90 output.shouldNotContain(l.message);
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91 } else {
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92 output.shouldContain(l.message);
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93 }
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94 }
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95 }
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96
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97 public static void main(String[] args) throws Exception {
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98 new TestGCLogMessages().testNormalLogs();
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99 new TestGCLogMessages().testWithToSpaceExhaustionLogs();
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100 }
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101
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102 private void testNormalLogs() throws Exception {
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103
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104 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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105 "-Xmx10M",
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106 GCTest.class.getName());
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107
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108 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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109 checkMessagesAtLevel(output, allLogMessages, Level.OFF);
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110 output.shouldHaveExitValue(0);
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111
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112 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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113 "-XX:+UseStringDeduplication",
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114 "-Xmx10M",
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115 "-XX:+PrintGCDetails",
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116 GCTest.class.getName());
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117
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118 output = new OutputAnalyzer(pb.start());
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119 checkMessagesAtLevel(output, allLogMessages, Level.FINER);
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120
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121 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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122 "-XX:+UseStringDeduplication",
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123 "-Xmx10M",
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124 "-XX:+PrintGCDetails",
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125 "-XX:+UnlockExperimentalVMOptions",
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126 "-XX:G1LogLevel=finest",
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127 GCTest.class.getName());
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128
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129 output = new OutputAnalyzer(pb.start());
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130 checkMessagesAtLevel(output, allLogMessages, Level.FINEST);
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131 output.shouldHaveExitValue(0);
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132 }
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133
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134 LogMessageWithLevel exhFailureMessages[] = new LogMessageWithLevel[] {
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135 new LogMessageWithLevel("Evacuation Failure", Level.FINER),
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136 new LogMessageWithLevel("Recalculate Used", Level.FINEST),
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137 new LogMessageWithLevel("Remove Self Forwards", Level.FINEST),
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138 new LogMessageWithLevel("Restore RemSet", Level.FINEST),
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139 };
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140
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141 private void testWithToSpaceExhaustionLogs() throws Exception {
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142 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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143 "-Xmx32M",
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144 "-Xmn16M",
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145 "-XX:+PrintGCDetails",
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146 GCTestWithToSpaceExhaustion.class.getName());
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147
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148 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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149 checkMessagesAtLevel(output, exhFailureMessages, Level.FINER);
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150 output.shouldHaveExitValue(0);
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151
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152 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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153 "-Xmx32M",
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154 "-Xmn16M",
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155 "-XX:+PrintGCDetails",
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156 "-XX:+UnlockExperimentalVMOptions",
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157 "-XX:G1LogLevel=finest",
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158 GCTestWithToSpaceExhaustion.class.getName());
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159
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160 output = new OutputAnalyzer(pb.start());
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161 checkMessagesAtLevel(output, exhFailureMessages, Level.FINEST);
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162 output.shouldHaveExitValue(0);
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163 }
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164
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165 static class GCTest {
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166 private static byte[] garbage;
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167 public static void main(String [] args) {
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168 System.out.println("Creating garbage");
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169 // create 128MB of garbage. This should result in at least one GC
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170 for (int i = 0; i < 1024; i++) {
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171 garbage = new byte[128 * 1024];
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172 }
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173 System.out.println("Done");
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174 }
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175 }
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176
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177 static class GCTestWithToSpaceExhaustion {
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178 private static byte[] garbage;
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179 private static byte[] largeObject;
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180 public static void main(String [] args) {
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181 largeObject = new byte[16*1024*1024];
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182 System.out.println("Creating garbage");
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183 // create 128MB of garbage. This should result in at least one GC,
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184 // some of them with to-space exhaustion.
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185 for (int i = 0; i < 1024; i++) {
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186 garbage = new byte[128 * 1024];
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187 }
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188 System.out.println("Done");
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189 }
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190 }
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191 }
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192