Mercurial > hg > truffle
annotate test/compiler/whitebox/CompilerWhiteBoxTest.java @ 12782:92b7ec34ddfa
Add RandomAccess interface to NodeList
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 19 Nov 2013 17:44:26 +0100 |
parents | 303826f477c6 |
children | 600c83f8e6a5 |
rev | line source |
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8051 | 1 /* |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
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; |
27 import sun.management.ManagementFactoryHelper; | |
28 | |
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29 import java.lang.reflect.Constructor; |
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30 import java.lang.reflect.Executable; |
8051 | 31 import java.lang.reflect.Method; |
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32 import java.util.Objects; |
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33 import java.util.concurrent.Callable; |
8051 | 34 |
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35 /** |
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36 * Abstract class for WhiteBox testing of JIT. |
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37 * |
8051 | 38 * @author igor.ignatyev@oracle.com |
39 */ | |
40 public abstract class CompilerWhiteBoxTest { | |
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41 /** {@code CompLevel::CompLevel_none} -- Interpreter */ |
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42 protected static int COMP_LEVEL_NONE = 0; |
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43 /** {@code CompLevel::CompLevel_any}, {@code CompLevel::CompLevel_all} */ |
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44 protected static int COMP_LEVEL_ANY = -1; |
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45 /** {@code CompLevel::CompLevel_simple} -- C1 */ |
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46 protected static int COMP_LEVEL_SIMPLE = 1; |
12073 | 47 /** {@code CompLevel::CompLevel_limited_profile} -- C1, invocation & backedge counters */ |
48 protected static int COMP_LEVEL_LIMITED_PROFILE = 2; | |
49 /** {@code CompLevel::CompLevel_full_profile} -- C1, invocation & backedge counters + mdo */ | |
50 protected static int COMP_LEVEL_FULL_PROFILE = 3; | |
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51 /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */ |
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52 protected static int COMP_LEVEL_FULL_OPTIMIZATION = 4; |
12073 | 53 /** Maximal value for CompLeveL */ |
54 protected static int COMP_LEVEL_MAX = COMP_LEVEL_FULL_OPTIMIZATION; | |
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55 |
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56 /** Instance of WhiteBox */ |
8051 | 57 protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); |
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58 /** Value of {@code -XX:CompileThreshold} */ |
8051 | 59 protected static final int COMPILE_THRESHOLD |
60 = Integer.parseInt(getVMOption("CompileThreshold", "10000")); | |
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61 /** Value of {@code -XX:BackgroundCompilation} */ |
8766 | 62 protected static final boolean BACKGROUND_COMPILATION |
63 = Boolean.valueOf(getVMOption("BackgroundCompilation", "true")); | |
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64 /** Value of {@code -XX:TieredCompilation} */ |
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65 protected static final boolean TIERED_COMPILATION |
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66 = Boolean.valueOf(getVMOption("TieredCompilation", "false")); |
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67 /** Value of {@code -XX:TieredStopAtLevel} */ |
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68 protected static final int TIERED_STOP_AT_LEVEL |
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69 = Integer.parseInt(getVMOption("TieredStopAtLevel", "0")); |
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70 /** Flag for verbose output, true if {@code -Dverbose} specified */ |
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71 protected static final boolean IS_VERBOSE |
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72 = System.getProperty("verbose") != null; |
12073 | 73 /** count of invocation to triger compilation */ |
74 protected static final int THRESHOLD; | |
75 /** count of invocation to triger OSR compilation */ | |
76 protected static final long BACKEDGE_THRESHOLD; | |
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77 /** Value of {@code java.vm.info} (interpreted|mixed|comp mode) */ |
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78 protected static final String MODE |
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79 = System.getProperty("java.vm.info"); |
12073 | 80 |
81 static { | |
82 if (TIERED_COMPILATION) { | |
83 THRESHOLD = 150000; | |
84 BACKEDGE_THRESHOLD = 0xFFFFFFFFL; | |
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 /** tested method */ |
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138 protected final Executable method; |
12073 | 139 protected final TestCase testCase; |
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140 |
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141 /** |
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142 * Constructor. |
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143 * |
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144 * @param testCase object, that contains tested method and way to invoke it. |
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145 */ |
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146 protected CompilerWhiteBoxTest(TestCase testCase) { |
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147 Objects.requireNonNull(testCase); |
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148 System.out.println("TEST CASE:" + testCase.name()); |
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149 method = testCase.executable; |
12073 | 150 this.testCase = testCase; |
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151 } |
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152 |
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153 /** |
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154 * Template method for testing. Prints tested method's info before |
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155 * {@linkplain #test()} and after {@linkplain #test()} or on thrown |
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156 * exception. |
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157 * |
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158 * @throws RuntimeException if method {@linkplain #test()} throws any |
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159 * exception |
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160 * @see #test() |
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161 */ |
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162 protected final void runTest() { |
8051 | 163 if (ManagementFactoryHelper.getCompilationMXBean() == null) { |
164 System.err.println( | |
165 "Warning: test is not applicable in interpreted mode"); | |
166 return; | |
167 } | |
168 System.out.println("at test's start:"); | |
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169 printInfo(); |
8051 | 170 try { |
171 test(); | |
172 } catch (Exception e) { | |
173 System.out.printf("on exception '%s':", e.getMessage()); | |
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174 printInfo(); |
8766 | 175 e.printStackTrace(); |
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176 if (e instanceof RuntimeException) { |
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177 throw (RuntimeException) e; |
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178 } |
8051 | 179 throw new RuntimeException(e); |
180 } | |
181 System.out.println("at test's end:"); | |
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182 printInfo(); |
8051 | 183 } |
184 | |
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185 /** |
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186 * Checks, that {@linkplain #method} is not compiled. |
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187 * |
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188 * @throws RuntimeException if {@linkplain #method} is in compiler queue or |
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189 * is compiled, or if {@linkplain #method} has zero |
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190 * compilation level. |
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191 */ |
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192 protected final void checkNotCompiled() { |
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193 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
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194 throw new RuntimeException(method + " must not be in queue"); |
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195 } |
12073 | 196 if (WHITE_BOX.isMethodCompiled(method, false)) { |
8051 | 197 throw new RuntimeException(method + " must be not compiled"); |
198 } | |
12073 | 199 if (WHITE_BOX.getMethodCompilationLevel(method, false) != 0) { |
8051 | 200 throw new RuntimeException(method + " comp_level must be == 0"); |
201 } | |
12073 | 202 if (WHITE_BOX.isMethodCompiled(method, true)) { |
203 throw new RuntimeException(method + " must be not osr_compiled"); | |
204 } | |
205 if (WHITE_BOX.getMethodCompilationLevel(method, true) != 0) { | |
206 throw new RuntimeException(method + " osr_comp_level must be == 0"); | |
207 } | |
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208 } |
8051 | 209 |
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210 /** |
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211 * Checks, that {@linkplain #method} is compiled. |
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212 * |
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213 * @throws RuntimeException if {@linkplain #method} isn't in compiler queue |
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214 * and isn't compiled, or if {@linkplain #method} |
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215 * has nonzero compilation level |
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216 */ |
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217 protected final void checkCompiled() { |
8051 | 218 final long start = System.currentTimeMillis(); |
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219 waitBackgroundCompilation(); |
8051 | 220 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
221 System.err.printf("Warning: %s is still in queue after %dms%n", | |
222 method, System.currentTimeMillis() - start); | |
223 return; | |
224 } | |
12073 | 225 if (!WHITE_BOX.isMethodCompiled(method, testCase.isOsr)) { |
226 throw new RuntimeException(method + " must be " | |
227 + (testCase.isOsr ? "osr_" : "") + "compiled"); | |
228 } | |
229 if (WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr) == 0) { | |
230 throw new RuntimeException(method | |
231 + (testCase.isOsr ? " osr_" : " ") | |
232 + "comp_level must be != 0"); | |
233 } | |
234 } | |
235 | |
236 protected final void deoptimize() { | |
237 WHITE_BOX.deoptimizeMethod(method, testCase.isOsr); | |
238 if (testCase.isOsr) { | |
239 WHITE_BOX.deoptimizeMethod(method, false); | |
8051 | 240 } |
12073 | 241 } |
242 | |
243 protected final int getCompLevel() { | |
244 return WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr); | |
245 } | |
246 | |
247 protected final boolean isCompilable() { | |
248 return WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, | |
249 testCase.isOsr); | |
250 } | |
251 | |
252 protected final boolean isCompilable(int compLevel) { | |
253 return WHITE_BOX.isMethodCompilable(method, compLevel, testCase.isOsr); | |
254 } | |
255 | |
256 protected final void makeNotCompilable() { | |
257 WHITE_BOX.makeMethodNotCompilable(method, COMP_LEVEL_ANY, | |
258 testCase.isOsr); | |
259 } | |
260 | |
261 protected final void makeNotCompilable(int compLevel) { | |
262 WHITE_BOX.makeMethodNotCompilable(method, compLevel, testCase.isOsr); | |
8051 | 263 } |
264 | |
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265 /** |
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266 * Waits for completion of background compilation of {@linkplain #method}. |
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267 */ |
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268 protected final void waitBackgroundCompilation() { |
8766 | 269 if (!BACKGROUND_COMPILATION) { |
270 return; | |
271 } | |
8051 | 272 final Object obj = new Object(); |
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273 for (int i = 0; i < 10 |
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274 && WHITE_BOX.isMethodQueuedForCompilation(method); ++i) { |
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275 synchronized (obj) { |
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276 try { |
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277 obj.wait(1000); |
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278 } catch (InterruptedException e) { |
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279 Thread.currentThread().interrupt(); |
8051 | 280 } |
281 } | |
282 } | |
283 } | |
284 | |
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285 /** |
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286 * Prints information about {@linkplain #method}. |
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287 */ |
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288 protected final void printInfo() { |
8051 | 289 System.out.printf("%n%s:%n", method); |
290 System.out.printf("\tcompilable:\t%b%n", | |
12073 | 291 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, false)); |
8051 | 292 System.out.printf("\tcompiled:\t%b%n", |
12073 | 293 WHITE_BOX.isMethodCompiled(method, false)); |
8051 | 294 System.out.printf("\tcomp_level:\t%d%n", |
12073 | 295 WHITE_BOX.getMethodCompilationLevel(method, false)); |
296 System.out.printf("\tosr_compilable:\t%b%n", | |
297 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, true)); | |
298 System.out.printf("\tosr_compiled:\t%b%n", | |
299 WHITE_BOX.isMethodCompiled(method, true)); | |
300 System.out.printf("\tosr_comp_level:\t%d%n", | |
301 WHITE_BOX.getMethodCompilationLevel(method, true)); | |
302 System.out.printf("\tin_queue:\t%b%n", | |
8051 | 303 WHITE_BOX.isMethodQueuedForCompilation(method)); |
304 System.out.printf("compile_queues_size:\t%d%n%n", | |
305 WHITE_BOX.getCompileQueuesSize()); | |
306 } | |
307 | |
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308 /** |
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309 * Executes testing. |
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310 */ |
8051 | 311 protected abstract void test() throws Exception; |
312 | |
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313 /** |
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314 * Tries to trigger compilation of {@linkplain #method} by call |
12073 | 315 * {@linkplain #testCase.callable} enough times. |
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316 * |
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317 * @return accumulated result |
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318 * @see #compile(int) |
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319 */ |
8051 | 320 protected final int compile() { |
12073 | 321 if (testCase.isOsr) { |
322 return compile(1); | |
323 } else { | |
324 return compile(THRESHOLD); | |
325 } | |
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326 } |
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327 |
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328 /** |
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329 * Tries to trigger compilation of {@linkplain #method} by call |
12073 | 330 * {@linkplain #testCase.callable} specified times. |
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331 * |
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332 * @param count invocation count |
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333 * @return accumulated result |
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334 */ |
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335 protected final int compile(int count) { |
8051 | 336 int result = 0; |
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337 Integer tmp; |
8766 | 338 for (int i = 0; i < count; ++i) { |
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339 try { |
12073 | 340 tmp = testCase.callable.call(); |
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341 } catch (Exception e) { |
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342 tmp = null; |
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343 } |
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344 result += tmp == null ? 0 : tmp; |
8051 | 345 } |
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346 if (IS_VERBOSE) { |
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347 System.out.println("method was invoked " + count + " times"); |
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348 } |
8051 | 349 return result; |
350 } | |
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351 } |
8051 | 352 |
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353 /** |
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354 * Utility structure containing tested method and object to invoke it. |
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355 */ |
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356 enum TestCase { |
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357 /** constructor test case */ |
12073 | 358 CONSTRUCTOR_TEST(Helper.CONSTRUCTOR, Helper.CONSTRUCTOR_CALLABLE, false), |
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359 /** method test case */ |
12073 | 360 METOD_TEST(Helper.METHOD, Helper.METHOD_CALLABLE, false), |
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361 /** static method test case */ |
12073 | 362 STATIC_TEST(Helper.STATIC, Helper.STATIC_CALLABLE, false), |
363 | |
364 /** OSR constructor test case */ | |
365 OSR_CONSTRUCTOR_TEST(Helper.OSR_CONSTRUCTOR, | |
366 Helper.OSR_CONSTRUCTOR_CALLABLE, true), | |
367 /** OSR method test case */ | |
368 OSR_METOD_TEST(Helper.OSR_METHOD, Helper.OSR_METHOD_CALLABLE, true), | |
369 /** OSR static method test case */ | |
370 OSR_STATIC_TEST(Helper.OSR_STATIC, Helper.OSR_STATIC_CALLABLE, true); | |
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371 |
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372 /** tested method */ |
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373 final Executable executable; |
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374 /** object to invoke {@linkplain #executable} */ |
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375 final Callable<Integer> callable; |
12073 | 376 /** flag for OSR test case */ |
377 final boolean isOsr; | |
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378 |
12073 | 379 private TestCase(Executable executable, Callable<Integer> callable, |
380 boolean isOsr) { | |
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381 this.executable = executable; |
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382 this.callable = callable; |
12073 | 383 this.isOsr = isOsr; |
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384 } |
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385 |
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386 private static class Helper { |
12073 | 387 |
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388 private static final Callable<Integer> CONSTRUCTOR_CALLABLE |
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389 = new Callable<Integer>() { |
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390 @Override |
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391 public Integer call() throws Exception { |
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392 return new Helper(1337).hashCode(); |
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393 } |
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394 }; |
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395 |
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396 private static final Callable<Integer> METHOD_CALLABLE |
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397 = new Callable<Integer>() { |
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398 private final Helper helper = new Helper(); |
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399 |
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400 @Override |
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401 public Integer call() throws Exception { |
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402 return helper.method(); |
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403 } |
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404 }; |
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405 |
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406 private static final Callable<Integer> STATIC_CALLABLE |
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407 = new Callable<Integer>() { |
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408 @Override |
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409 public Integer call() throws Exception { |
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410 return staticMethod(); |
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411 } |
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412 }; |
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413 |
12073 | 414 private static final Callable<Integer> OSR_CONSTRUCTOR_CALLABLE |
415 = new Callable<Integer>() { | |
416 @Override | |
417 public Integer call() throws Exception { | |
418 return new Helper(null).hashCode(); | |
419 } | |
420 }; | |
421 | |
422 private static final Callable<Integer> OSR_METHOD_CALLABLE | |
423 = new Callable<Integer>() { | |
424 private final Helper helper = new Helper(); | |
425 | |
426 @Override | |
427 public Integer call() throws Exception { | |
428 return helper.osrMethod(); | |
429 } | |
430 }; | |
431 | |
432 private static final Callable<Integer> OSR_STATIC_CALLABLE | |
433 = new Callable<Integer>() { | |
434 @Override | |
435 public Integer call() throws Exception { | |
436 return osrStaticMethod(); | |
437 } | |
438 }; | |
439 | |
440 | |
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441 private static final Constructor CONSTRUCTOR; |
12073 | 442 private static final Constructor OSR_CONSTRUCTOR; |
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443 private static final Method METHOD; |
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444 private static final Method STATIC; |
12073 | 445 private static final Method OSR_METHOD; |
446 private static final Method OSR_STATIC; | |
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447 |
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448 static { |
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449 try { |
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450 CONSTRUCTOR = Helper.class.getDeclaredConstructor(int.class); |
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451 } catch (NoSuchMethodException | SecurityException e) { |
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452 throw new RuntimeException( |
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453 "exception on getting method Helper.<init>(int)", e); |
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454 } |
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455 try { |
12073 | 456 OSR_CONSTRUCTOR = Helper.class.getDeclaredConstructor( |
457 Object.class); | |
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458 } catch (NoSuchMethodException | SecurityException e) { |
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459 throw new RuntimeException( |
12073 | 460 "exception on getting method Helper.<init>(Object)", e); |
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461 } |
12073 | 462 METHOD = getMethod("method"); |
463 STATIC = getMethod("staticMethod"); | |
464 OSR_METHOD = getMethod("osrMethod"); | |
465 OSR_STATIC = getMethod("osrStaticMethod"); | |
466 } | |
467 | |
468 private static Method getMethod(String name) { | |
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469 try { |
12073 | 470 return Helper.class.getDeclaredMethod(name); |
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471 } catch (NoSuchMethodException | SecurityException e) { |
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472 throw new RuntimeException( |
12073 | 473 "exception on getting method Helper." + name, e); |
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474 } |
12073 | 475 |
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476 } |
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477 |
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478 private static int staticMethod() { |
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479 return 1138; |
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480 } |
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481 |
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482 private int method() { |
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483 return 42; |
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484 } |
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485 |
12073 | 486 private static int osrStaticMethod() { |
487 int result = 0; | |
488 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) { | |
489 result += staticMethod(); | |
490 } | |
491 return result; | |
492 } | |
493 | |
494 private int osrMethod() { | |
495 int result = 0; | |
496 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) { | |
497 result += method(); | |
498 } | |
499 return result; | |
500 } | |
501 | |
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502 private final int x; |
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503 |
12073 | 504 // for method and OSR method test case |
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505 public Helper() { |
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506 x = 0; |
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507 } |
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508 |
12073 | 509 // for OSR constructor test case |
510 private Helper(Object o) { | |
511 int result = 0; | |
512 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) { | |
513 result += method(); | |
514 } | |
515 x = result; | |
516 } | |
517 | |
518 // for constructor test case | |
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519 private Helper(int x) { |
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520 this.x = x; |
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521 } |
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522 |
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523 @Override |
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524 public int hashCode() { |
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525 return x; |
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526 } |
8051 | 527 } |
528 } |