Mercurial > hg > truffle
annotate test/compiler/whitebox/CompilerWhiteBoxTest.java @ 20606:d1e732bbe4e5
8061486: [TESTBUG] compiler/whitebox/ tests fail : must be osr_compiled (reappeared in nightlies)
Summary: Call warmup code from OSR triggering method to make sure no non-OSR compilation is triggered in the loop.
Reviewed-by: kvn
author | thartmann |
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date | Fri, 24 Oct 2014 08:35:29 +0200 |
parents | 564d97997064 |
children | f5f752e74840 |
rev | line source |
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8051 | 1 /* |
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
8051 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
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24 import com.sun.management.HotSpotDiagnosticMXBean; |
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25 import com.sun.management.VMOption; |
8051 | 26 import sun.hotspot.WhiteBox; |
17817 | 27 import sun.hotspot.code.NMethod; |
8051 | 28 import sun.management.ManagementFactoryHelper; |
29 | |
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30 import java.lang.reflect.Constructor; |
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31 import java.lang.reflect.Executable; |
8051 | 32 import java.lang.reflect.Method; |
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33 import java.util.Objects; |
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34 import java.util.concurrent.Callable; |
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35 import java.util.function.Function; |
8051 | 36 |
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37 /** |
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38 * Abstract class for WhiteBox testing of JIT. |
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39 * |
8051 | 40 * @author igor.ignatyev@oracle.com |
41 */ | |
42 public abstract class CompilerWhiteBoxTest { | |
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43 /** {@code CompLevel::CompLevel_none} -- Interpreter */ |
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44 protected static int COMP_LEVEL_NONE = 0; |
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45 /** {@code CompLevel::CompLevel_any}, {@code CompLevel::CompLevel_all} */ |
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46 protected static int COMP_LEVEL_ANY = -1; |
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47 /** {@code CompLevel::CompLevel_simple} -- C1 */ |
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48 protected static int COMP_LEVEL_SIMPLE = 1; |
12073 | 49 /** {@code CompLevel::CompLevel_limited_profile} -- C1, invocation & backedge counters */ |
50 protected static int COMP_LEVEL_LIMITED_PROFILE = 2; | |
51 /** {@code CompLevel::CompLevel_full_profile} -- C1, invocation & backedge counters + mdo */ | |
52 protected static int COMP_LEVEL_FULL_PROFILE = 3; | |
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53 /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */ |
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54 protected static int COMP_LEVEL_FULL_OPTIMIZATION = 4; |
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55 /** Maximal value for CompLevel */ |
12073 | 56 protected static int COMP_LEVEL_MAX = COMP_LEVEL_FULL_OPTIMIZATION; |
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57 |
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58 /** Instance of WhiteBox */ |
8051 | 59 protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); |
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60 /** Value of {@code -XX:CompileThreshold} */ |
8051 | 61 protected static final int COMPILE_THRESHOLD |
62 = Integer.parseInt(getVMOption("CompileThreshold", "10000")); | |
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63 /** Value of {@code -XX:BackgroundCompilation} */ |
8766 | 64 protected static final boolean BACKGROUND_COMPILATION |
65 = Boolean.valueOf(getVMOption("BackgroundCompilation", "true")); | |
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66 /** Value of {@code -XX:TieredCompilation} */ |
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67 protected static final boolean TIERED_COMPILATION |
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68 = Boolean.valueOf(getVMOption("TieredCompilation", "false")); |
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69 /** Value of {@code -XX:TieredStopAtLevel} */ |
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70 protected static final int TIERED_STOP_AT_LEVEL |
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71 = Integer.parseInt(getVMOption("TieredStopAtLevel", "0")); |
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72 /** Flag for verbose output, true if {@code -Dverbose} specified */ |
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73 protected static final boolean IS_VERBOSE |
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74 = System.getProperty("verbose") != null; |
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75 /** invocation count to trigger compilation */ |
12073 | 76 protected static final int THRESHOLD; |
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77 /** invocation count to trigger OSR compilation */ |
12073 | 78 protected static final long BACKEDGE_THRESHOLD; |
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79 /** Value of {@code java.vm.info} (interpreted|mixed|comp mode) */ |
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80 protected static final String MODE = System.getProperty("java.vm.info"); |
12073 | 81 |
82 static { | |
83 if (TIERED_COMPILATION) { | |
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84 BACKEDGE_THRESHOLD = THRESHOLD = 150000; |
12073 | 85 } else { |
86 THRESHOLD = COMPILE_THRESHOLD; | |
87 BACKEDGE_THRESHOLD = COMPILE_THRESHOLD * Long.parseLong(getVMOption( | |
88 "OnStackReplacePercentage")); | |
89 } | |
90 } | |
8051 | 91 |
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92 /** |
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93 * Returns value of VM option. |
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94 * |
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95 * @param name option's name |
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96 * @return value of option or {@code null}, if option doesn't exist |
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97 * @throws NullPointerException if name is null |
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98 */ |
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99 protected static String getVMOption(String name) { |
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100 Objects.requireNonNull(name); |
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101 HotSpotDiagnosticMXBean diagnostic |
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102 = ManagementFactoryHelper.getDiagnosticMXBean(); |
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103 VMOption tmp; |
8051 | 104 try { |
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105 tmp = diagnostic.getVMOption(name); |
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106 } catch (IllegalArgumentException e) { |
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107 tmp = null; |
8051 | 108 } |
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109 return (tmp == null ? null : tmp.getValue()); |
8051 | 110 } |
111 | |
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112 /** |
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113 * Returns value of VM option or default value. |
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114 * |
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115 * @param name option's name |
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116 * @param defaultValue default value |
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117 * @return value of option or {@code defaultValue}, if option doesn't exist |
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118 * @throws NullPointerException if name is null |
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119 * @see #getVMOption(String) |
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120 */ |
8766 | 121 protected static String getVMOption(String name, String defaultValue) { |
122 String result = getVMOption(name); | |
8051 | 123 return result == null ? defaultValue : result; |
124 } | |
125 | |
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126 /** copy of is_c1_compile(int) from utilities/globalDefinitions.hpp */ |
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127 protected static boolean isC1Compile(int compLevel) { |
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128 return (compLevel > COMP_LEVEL_NONE) |
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129 && (compLevel < COMP_LEVEL_FULL_OPTIMIZATION); |
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130 } |
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131 |
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132 /** copy of is_c2_compile(int) from utilities/globalDefinitions.hpp */ |
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133 protected static boolean isC2Compile(int compLevel) { |
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134 return compLevel == COMP_LEVEL_FULL_OPTIMIZATION; |
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135 } |
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136 |
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137 protected static void main( |
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138 Function<TestCase, CompilerWhiteBoxTest> constructor, |
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139 String[] args) { |
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140 if (args.length == 0) { |
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141 for (TestCase test : SimpleTestCase.values()) { |
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142 constructor.apply(test).runTest(); |
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143 } |
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144 } else { |
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145 for (String name : args) { |
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146 constructor.apply(SimpleTestCase.valueOf(name)).runTest(); |
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147 } |
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148 } |
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149 } |
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150 |
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151 /** tested method */ |
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152 protected final Executable method; |
12073 | 153 protected final TestCase testCase; |
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154 |
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155 /** |
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156 * Constructor. |
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157 * |
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158 * @param testCase object, that contains tested method and way to invoke it. |
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159 */ |
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160 protected CompilerWhiteBoxTest(TestCase testCase) { |
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161 Objects.requireNonNull(testCase); |
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162 System.out.println("TEST CASE:" + testCase.name()); |
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163 method = testCase.getExecutable(); |
12073 | 164 this.testCase = testCase; |
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165 } |
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166 |
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167 /** |
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168 * Template method for testing. Prints tested method's info before |
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169 * {@linkplain #test()} and after {@linkplain #test()} or on thrown |
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170 * exception. |
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171 * |
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172 * @throws RuntimeException if method {@linkplain #test()} throws any |
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173 * exception |
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174 * @see #test() |
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175 */ |
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176 protected final void runTest() { |
8051 | 177 if (ManagementFactoryHelper.getCompilationMXBean() == null) { |
178 System.err.println( | |
179 "Warning: test is not applicable in interpreted mode"); | |
180 return; | |
181 } | |
182 System.out.println("at test's start:"); | |
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183 printInfo(); |
8051 | 184 try { |
185 test(); | |
186 } catch (Exception e) { | |
187 System.out.printf("on exception '%s':", e.getMessage()); | |
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188 printInfo(); |
8766 | 189 e.printStackTrace(); |
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190 if (e instanceof RuntimeException) { |
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191 throw (RuntimeException) e; |
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192 } |
8051 | 193 throw new RuntimeException(e); |
194 } | |
195 System.out.println("at test's end:"); | |
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196 printInfo(); |
8051 | 197 } |
198 | |
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199 /** |
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200 * Checks, that {@linkplain #method} is not compiled at the given compilation |
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201 * level or above. |
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202 * |
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203 * @param compLevel |
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204 * |
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205 * @throws RuntimeException if {@linkplain #method} is in compiler queue or |
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206 * is compiled, or if {@linkplain #method} has zero |
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207 * compilation level. |
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208 */ |
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209 |
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210 protected final void checkNotCompiled(int compLevel) { |
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211 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
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212 throw new RuntimeException(method + " must not be in queue"); |
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213 } |
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214 if (WHITE_BOX.getMethodCompilationLevel(method, false) >= compLevel) { |
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215 throw new RuntimeException(method + " comp_level must be >= maxCompLevel"); |
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216 } |
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217 if (WHITE_BOX.getMethodCompilationLevel(method, true) >= compLevel) { |
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218 throw new RuntimeException(method + " osr_comp_level must be >= maxCompLevel"); |
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219 } |
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220 } |
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221 |
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222 /** |
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223 * Checks, that {@linkplain #method} is not compiled. |
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224 * |
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225 * @throws RuntimeException if {@linkplain #method} is in compiler queue or |
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226 * is compiled, or if {@linkplain #method} has zero |
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227 * compilation level. |
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228 */ |
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229 protected final void checkNotCompiled() { |
12073 | 230 if (WHITE_BOX.isMethodCompiled(method, false)) { |
8051 | 231 throw new RuntimeException(method + " must be not compiled"); |
232 } | |
12073 | 233 if (WHITE_BOX.getMethodCompilationLevel(method, false) != 0) { |
8051 | 234 throw new RuntimeException(method + " comp_level must be == 0"); |
235 } | |
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236 checkNotOsrCompiled(); |
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237 } |
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238 |
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239 protected final void checkNotOsrCompiled() { |
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240 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
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241 throw new RuntimeException(method + " must not be in queue"); |
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242 } |
12073 | 243 if (WHITE_BOX.isMethodCompiled(method, true)) { |
244 throw new RuntimeException(method + " must be not osr_compiled"); | |
245 } | |
246 if (WHITE_BOX.getMethodCompilationLevel(method, true) != 0) { | |
247 throw new RuntimeException(method + " osr_comp_level must be == 0"); | |
248 } | |
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249 } |
8051 | 250 |
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251 /** |
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252 * Checks, that {@linkplain #method} is compiled. |
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253 * |
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254 * @throws RuntimeException if {@linkplain #method} isn't in compiler queue |
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255 * and isn't compiled, or if {@linkplain #method} |
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256 * has nonzero compilation level |
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257 */ |
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258 protected final void checkCompiled() { |
8051 | 259 final long start = System.currentTimeMillis(); |
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260 waitBackgroundCompilation(); |
8051 | 261 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
262 System.err.printf("Warning: %s is still in queue after %dms%n", | |
263 method, System.currentTimeMillis() - start); | |
264 return; | |
265 } | |
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266 if (!WHITE_BOX.isMethodCompiled(method, testCase.isOsr())) { |
12073 | 267 throw new RuntimeException(method + " must be " |
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268 + (testCase.isOsr() ? "osr_" : "") + "compiled"); |
12073 | 269 } |
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270 if (WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr()) |
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271 == 0) { |
12073 | 272 throw new RuntimeException(method |
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273 + (testCase.isOsr() ? " osr_" : " ") |
12073 | 274 + "comp_level must be != 0"); |
275 } | |
276 } | |
277 | |
278 protected final void deoptimize() { | |
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279 WHITE_BOX.deoptimizeMethod(method, testCase.isOsr()); |
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280 if (testCase.isOsr()) { |
12073 | 281 WHITE_BOX.deoptimizeMethod(method, false); |
8051 | 282 } |
12073 | 283 } |
284 | |
285 protected final int getCompLevel() { | |
17817 | 286 NMethod nm = NMethod.get(method, testCase.isOsr()); |
287 return nm == null ? COMP_LEVEL_NONE : nm.comp_level; | |
12073 | 288 } |
289 | |
290 protected final boolean isCompilable() { | |
291 return WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, | |
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292 testCase.isOsr()); |
12073 | 293 } |
294 | |
295 protected final boolean isCompilable(int compLevel) { | |
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296 return WHITE_BOX |
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297 .isMethodCompilable(method, compLevel, testCase.isOsr()); |
12073 | 298 } |
299 | |
300 protected final void makeNotCompilable() { | |
301 WHITE_BOX.makeMethodNotCompilable(method, COMP_LEVEL_ANY, | |
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302 testCase.isOsr()); |
12073 | 303 } |
304 | |
305 protected final void makeNotCompilable(int compLevel) { | |
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306 WHITE_BOX.makeMethodNotCompilable(method, compLevel, testCase.isOsr()); |
8051 | 307 } |
308 | |
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309 /** |
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310 * Waits for completion of background compilation of {@linkplain #method}. |
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311 */ |
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312 protected final void waitBackgroundCompilation() { |
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313 waitBackgroundCompilation(method); |
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314 } |
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315 |
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316 /** |
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317 * Waits for completion of background compilation of the given executable. |
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318 * |
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319 * @param executable Executable |
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320 */ |
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321 protected static final void waitBackgroundCompilation(Executable executable) { |
8766 | 322 if (!BACKGROUND_COMPILATION) { |
323 return; | |
324 } | |
8051 | 325 final Object obj = new Object(); |
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326 for (int i = 0; i < 10 |
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327 && WHITE_BOX.isMethodQueuedForCompilation(executable); ++i) { |
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328 synchronized (obj) { |
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329 try { |
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330 obj.wait(1000); |
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331 } catch (InterruptedException e) { |
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332 Thread.currentThread().interrupt(); |
8051 | 333 } |
334 } | |
335 } | |
336 } | |
337 | |
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338 /** |
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339 * Prints information about {@linkplain #method}. |
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340 */ |
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341 protected final void printInfo() { |
8051 | 342 System.out.printf("%n%s:%n", method); |
343 System.out.printf("\tcompilable:\t%b%n", | |
12073 | 344 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, false)); |
8051 | 345 System.out.printf("\tcompiled:\t%b%n", |
12073 | 346 WHITE_BOX.isMethodCompiled(method, false)); |
8051 | 347 System.out.printf("\tcomp_level:\t%d%n", |
12073 | 348 WHITE_BOX.getMethodCompilationLevel(method, false)); |
349 System.out.printf("\tosr_compilable:\t%b%n", | |
350 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, true)); | |
351 System.out.printf("\tosr_compiled:\t%b%n", | |
352 WHITE_BOX.isMethodCompiled(method, true)); | |
353 System.out.printf("\tosr_comp_level:\t%d%n", | |
354 WHITE_BOX.getMethodCompilationLevel(method, true)); | |
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355 System.out.printf("\tin_queue:\t%b%n", |
8051 | 356 WHITE_BOX.isMethodQueuedForCompilation(method)); |
357 System.out.printf("compile_queues_size:\t%d%n%n", | |
358 WHITE_BOX.getCompileQueuesSize()); | |
359 } | |
360 | |
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361 /** |
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362 * Executes testing. |
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363 */ |
8051 | 364 protected abstract void test() throws Exception; |
365 | |
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366 /** |
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367 * Tries to trigger compilation of {@linkplain #method} by call |
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368 * {@linkplain TestCase#getCallable()} enough times. |
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369 * |
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370 * @return accumulated result |
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371 * @see #compile(int) |
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372 */ |
8051 | 373 protected final int compile() { |
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374 if (testCase.isOsr()) { |
12073 | 375 return compile(1); |
376 } else { | |
377 return compile(THRESHOLD); | |
378 } | |
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379 } |
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380 |
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381 /** |
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382 * Tries to trigger compilation of {@linkplain #method} by call |
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383 * {@linkplain TestCase#getCallable()} specified times. |
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384 * |
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385 * @param count invocation count |
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386 * @return accumulated result |
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387 */ |
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388 protected final int compile(int count) { |
8051 | 389 int result = 0; |
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390 Integer tmp; |
8766 | 391 for (int i = 0; i < count; ++i) { |
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392 try { |
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393 tmp = testCase.getCallable().call(); |
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394 } catch (Exception e) { |
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395 tmp = null; |
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396 } |
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397 result += tmp == null ? 0 : tmp; |
8051 | 398 } |
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399 if (IS_VERBOSE) { |
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400 System.out.println("method was invoked " + count + " times"); |
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401 } |
8051 | 402 return result; |
403 } | |
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404 |
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405 /** |
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406 * Utility interface provides tested method and object to invoke it. |
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407 */ |
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408 public interface TestCase { |
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409 /** the name of test case */ |
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410 String name(); |
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411 |
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412 /** tested method */ |
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413 Executable getExecutable(); |
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414 |
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415 /** object to invoke {@linkplain #getExecutable()} */ |
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416 Callable<Integer> getCallable(); |
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417 |
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418 /** flag for OSR test case */ |
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419 boolean isOsr(); |
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420 } |
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421 |
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422 /** |
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423 * @return {@code true} if the current test case is OSR and the mode is |
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424 * Xcomp, otherwise {@code false} |
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425 */ |
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426 protected boolean skipXcompOSR() { |
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427 boolean result = testCase.isOsr() |
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428 && CompilerWhiteBoxTest.MODE.startsWith("compiled "); |
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429 if (result && IS_VERBOSE) { |
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430 System.err.printf("Warning: %s is not applicable in %s%n", |
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431 testCase.name(), CompilerWhiteBoxTest.MODE); |
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432 } |
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433 return result; |
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434 } |
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435 } |
8051 | 436 |
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437 enum SimpleTestCase implements CompilerWhiteBoxTest.TestCase { |
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438 /** constructor test case */ |
12073 | 439 CONSTRUCTOR_TEST(Helper.CONSTRUCTOR, Helper.CONSTRUCTOR_CALLABLE, false), |
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440 /** method test case */ |
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441 METHOD_TEST(Helper.METHOD, Helper.METHOD_CALLABLE, false), |
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442 /** static method test case */ |
12073 | 443 STATIC_TEST(Helper.STATIC, Helper.STATIC_CALLABLE, false), |
444 /** OSR constructor test case */ | |
445 OSR_CONSTRUCTOR_TEST(Helper.OSR_CONSTRUCTOR, | |
446 Helper.OSR_CONSTRUCTOR_CALLABLE, true), | |
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447 /** OSR method test case */ |
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448 OSR_METHOD_TEST(Helper.OSR_METHOD, Helper.OSR_METHOD_CALLABLE, true), |
12073 | 449 /** OSR static method test case */ |
450 OSR_STATIC_TEST(Helper.OSR_STATIC, Helper.OSR_STATIC_CALLABLE, true); | |
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451 |
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452 private final Executable executable; |
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453 private final Callable<Integer> callable; |
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454 private final boolean isOsr; |
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455 |
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456 private SimpleTestCase(Executable executable, Callable<Integer> callable, |
12073 | 457 boolean isOsr) { |
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458 this.executable = executable; |
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459 this.callable = callable; |
12073 | 460 this.isOsr = isOsr; |
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461 } |
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462 |
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463 @Override |
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464 public Executable getExecutable() { |
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465 return executable; |
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466 } |
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467 |
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468 @Override |
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469 public Callable<Integer> getCallable() { |
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470 return callable; |
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471 } |
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472 |
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473 @Override |
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474 public boolean isOsr() { |
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475 return isOsr; |
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476 } |
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477 |
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478 private static class Helper { |
12073 | 479 |
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480 private static final Callable<Integer> CONSTRUCTOR_CALLABLE |
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481 = new Callable<Integer>() { |
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482 @Override |
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483 public Integer call() throws Exception { |
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484 return new Helper(1337).hashCode(); |
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485 } |
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486 }; |
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487 |
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488 private static final Callable<Integer> METHOD_CALLABLE |
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489 = new Callable<Integer>() { |
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490 private final Helper helper = new Helper(); |
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491 |
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492 @Override |
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493 public Integer call() throws Exception { |
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494 return helper.method(); |
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495 } |
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496 }; |
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497 |
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498 private static final Callable<Integer> STATIC_CALLABLE |
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499 = new Callable<Integer>() { |
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500 @Override |
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501 public Integer call() throws Exception { |
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502 return staticMethod(); |
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503 } |
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504 }; |
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505 |
12073 | 506 private static final Callable<Integer> OSR_CONSTRUCTOR_CALLABLE |
507 = new Callable<Integer>() { | |
508 @Override | |
509 public Integer call() throws Exception { | |
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510 return new Helper(null, CompilerWhiteBoxTest.BACKEDGE_THRESHOLD).hashCode(); |
12073 | 511 } |
512 }; | |
513 | |
514 private static final Callable<Integer> OSR_METHOD_CALLABLE | |
515 = new Callable<Integer>() { | |
516 private final Helper helper = new Helper(); | |
517 | |
518 @Override | |
519 public Integer call() throws Exception { | |
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520 return helper.osrMethod(CompilerWhiteBoxTest.BACKEDGE_THRESHOLD); |
12073 | 521 } |
522 }; | |
523 | |
524 private static final Callable<Integer> OSR_STATIC_CALLABLE | |
525 = new Callable<Integer>() { | |
526 @Override | |
527 public Integer call() throws Exception { | |
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528 return osrStaticMethod(CompilerWhiteBoxTest.BACKEDGE_THRESHOLD); |
12073 | 529 } |
530 }; | |
531 | |
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532 private static final Constructor CONSTRUCTOR; |
12073 | 533 private static final Constructor OSR_CONSTRUCTOR; |
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534 private static final Method METHOD; |
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535 private static final Method STATIC; |
12073 | 536 private static final Method OSR_METHOD; |
537 private static final Method OSR_STATIC; | |
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538 |
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539 static { |
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540 try { |
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541 CONSTRUCTOR = Helper.class.getDeclaredConstructor(int.class); |
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542 } catch (NoSuchMethodException | SecurityException e) { |
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543 throw new RuntimeException( |
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544 "exception on getting method Helper.<init>(int)", e); |
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545 } |
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546 try { |
12073 | 547 OSR_CONSTRUCTOR = Helper.class.getDeclaredConstructor( |
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548 Object.class, long.class); |
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549 } catch (NoSuchMethodException | SecurityException e) { |
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550 throw new RuntimeException( |
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551 "exception on getting method Helper.<init>(Object, long)", e); |
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552 } |
12073 | 553 METHOD = getMethod("method"); |
554 STATIC = getMethod("staticMethod"); | |
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555 OSR_METHOD = getMethod("osrMethod", long.class); |
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556 OSR_STATIC = getMethod("osrStaticMethod", long.class); |
12073 | 557 } |
558 | |
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559 private static Method getMethod(String name, Class<?>... parameterTypes) { |
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560 try { |
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561 return Helper.class.getDeclaredMethod(name, parameterTypes); |
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562 } catch (NoSuchMethodException | SecurityException e) { |
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563 throw new RuntimeException( |
12073 | 564 "exception on getting method Helper." + name, e); |
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565 } |
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566 } |
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567 |
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568 private static int staticMethod() { |
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569 return 1138; |
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570 } |
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571 |
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572 private int method() { |
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573 return 42; |
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574 } |
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575 |
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576 /** |
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577 * Deoptimizes all non-osr versions of the given executable after |
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578 * compilation finished. |
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579 * |
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580 * @param e Executable |
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581 * @throws Exception |
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582 */ |
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583 private static void waitAndDeoptimize(Executable e) { |
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584 CompilerWhiteBoxTest.waitBackgroundCompilation(e); |
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585 if (WhiteBox.getWhiteBox().isMethodQueuedForCompilation(e)) { |
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586 throw new RuntimeException(e + " must not be in queue"); |
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587 } |
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588 // Deoptimize non-osr versions of executable |
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589 WhiteBox.getWhiteBox().deoptimizeMethod(e, false); |
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590 } |
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591 |
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592 /** |
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593 * Executes the method multiple times to make sure we have |
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594 * enough profiling information before triggering an OSR |
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595 * compilation. Otherwise the C2 compiler may add uncommon traps. |
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596 * |
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597 * @param m Method to be executed |
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598 * @return Number of times the method was executed |
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599 * @throws Exception |
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600 */ |
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601 private static int warmup(Method m) throws Exception { |
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602 waitAndDeoptimize(m); |
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603 Helper helper = new Helper(); |
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604 int result = 0; |
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605 for (long i = 0; i < CompilerWhiteBoxTest.THRESHOLD; ++i) { |
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606 result += (int)m.invoke(helper, 1); |
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607 } |
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608 // Wait to make sure OSR compilation is not blocked by |
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609 // non-OSR compilation in the compile queue |
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610 CompilerWhiteBoxTest.waitBackgroundCompilation(m); |
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611 return result; |
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612 } |
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613 |
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614 /** |
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615 * Executes the constructor multiple times to make sure we |
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616 * have enough profiling information before triggering an OSR |
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617 * compilation. Otherwise the C2 compiler may add uncommon traps. |
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618 * |
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619 * @param c Constructor to be executed |
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620 * @return Number of times the constructor was executed |
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621 * @throws Exception |
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622 */ |
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623 private static int warmup(Constructor c) throws Exception { |
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624 waitAndDeoptimize(c); |
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625 int result = 0; |
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626 for (long i = 0; i < CompilerWhiteBoxTest.THRESHOLD; ++i) { |
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627 result += c.newInstance(null, 1).hashCode(); |
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628 } |
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629 // Wait to make sure OSR compilation is not blocked by |
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630 // non-OSR compilation in the compile queue |
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631 CompilerWhiteBoxTest.waitBackgroundCompilation(c); |
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632 return result; |
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633 } |
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634 |
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635 private static int osrStaticMethod(long limit) throws Exception { |
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636 int result = 0; |
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637 if (limit != 1) { |
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638 result = warmup(OSR_STATIC); |
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639 } |
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640 // Trigger osr compilation |
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641 for (long i = 0; i < limit; ++i) { |
12073 | 642 result += staticMethod(); |
643 } | |
644 return result; | |
645 } | |
646 | |
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647 private int osrMethod(long limit) throws Exception { |
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648 int result = 0; |
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649 if (limit != 1) { |
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650 result = warmup(OSR_METHOD); |
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651 } |
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652 // Trigger osr compilation |
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653 for (long i = 0; i < limit; ++i) { |
12073 | 654 result += method(); |
655 } | |
656 return result; | |
657 } | |
658 | |
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659 private final int x; |
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660 |
12073 | 661 // for method and OSR method test case |
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662 public Helper() { |
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663 x = 0; |
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664 } |
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665 |
12073 | 666 // for OSR constructor test case |
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667 private Helper(Object o, long limit) throws Exception { |
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668 int result = 0; |
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669 if (limit != 1) { |
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670 result = warmup(OSR_CONSTRUCTOR); |
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671 } |
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672 // Trigger osr compilation |
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673 for (long i = 0; i < limit; ++i) { |
12073 | 674 result += method(); |
675 } | |
676 x = result; | |
677 } | |
678 | |
679 // for constructor test case | |
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680 private Helper(int x) { |
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681 this.x = x; |
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682 } |
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683 |
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684 @Override |
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685 public int hashCode() { |
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686 return x; |
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687 } |
8051 | 688 } |
689 } |