Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompileTheWorld.java @ 21522:28cbfacd0518
Merge
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Thu, 28 May 2015 17:44:05 +0200 |
parents | cecb4e39521c 23f9cba1f250 |
children | 47bebae7454f |
rev | line source |
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9108 | 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 package com.oracle.graal.hotspot; | |
24 | |
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25 import static com.oracle.graal.compiler.common.GraalOptions.*; |
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26 import static com.oracle.graal.debug.internal.MemUseTrackerImpl.*; |
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27 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; |
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28 import static com.oracle.graal.nodes.StructuredGraph.*; |
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29 |
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30 import java.io.*; |
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31 import java.lang.reflect.*; |
9108 | 32 import java.net.*; |
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33 import java.util.*; |
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34 import java.util.concurrent.*; |
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35 import java.util.concurrent.atomic.*; |
9108 | 36 import java.util.jar.*; |
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37 import java.util.stream.*; |
9108 | 38 |
39 import com.oracle.graal.api.meta.*; | |
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40 import com.oracle.graal.bytecode.*; |
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41 import com.oracle.graal.compiler.*; |
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42 import com.oracle.graal.compiler.CompilerThreadFactory.DebugConfigAccess; |
9108 | 43 import com.oracle.graal.debug.*; |
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44 import com.oracle.graal.debug.internal.*; |
9108 | 45 import com.oracle.graal.hotspot.meta.*; |
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46 import com.oracle.graal.options.*; |
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47 import com.oracle.graal.options.OptionUtils.OptionConsumer; |
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48 import com.oracle.graal.options.OptionValue.OverrideScope; |
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49 import com.oracle.graal.printer.*; |
9108 | 50 import com.oracle.graal.replacements.*; |
51 | |
52 /** | |
53 * This class implements compile-the-world functionality in Graal. | |
54 */ | |
55 public final class CompileTheWorld { | |
56 | |
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57 /** |
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58 * Magic token to trigger reading files from the boot class path. |
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59 */ |
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60 public static final String SUN_BOOT_CLASS_PATH = "sun.boot.class.path"; |
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61 |
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62 public static class Options { |
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63 // @formatter:off |
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64 @Option(help = "Compile all methods in all classes on given class path", type = OptionType.Debug) |
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65 public static final OptionValue<String> CompileTheWorldClasspath = new OptionValue<>(SUN_BOOT_CLASS_PATH); |
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66 @Option(help = "Verbose CompileTheWorld operation", type = OptionType.Debug) |
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67 public static final OptionValue<Boolean> CompileTheWorldVerbose = new OptionValue<>(true); |
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68 @Option(help = "The number of CompileTheWorld iterations to perform", type = OptionType.Debug) |
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69 public static final OptionValue<Integer> CompileTheWorldIterations = new OptionValue<>(1); |
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70 @Option(help = "Only compile methods matching this filter", type = OptionType.Debug) |
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71 public static final OptionValue<String> CompileTheWorldMethodFilter = new OptionValue<>(null); |
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72 @Option(help = "Exclude methods matching this filter from compilation", type = OptionType.Debug) |
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73 public static final OptionValue<String> CompileTheWorldExcludeMethodFilter = new OptionValue<>(null); |
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74 @Option(help = "First class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug) |
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75 public static final OptionValue<Integer> CompileTheWorldStartAt = new OptionValue<>(1); |
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76 @Option(help = "Last class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug) |
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77 public static final OptionValue<Integer> CompileTheWorldStopAt = new OptionValue<>(Integer.MAX_VALUE); |
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78 @Option(help = "Option value overrides to use during compile the world. For example, " + |
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79 "to disable inlining and partial escape analysis specify '-PartialEscapeAnalysis -Inline'. " + |
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80 "The format for each option is the same as on the command line just without the '-G:' prefix.", type = OptionType.Debug) |
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81 public static final OptionValue<String> CompileTheWorldConfig = new OptionValue<>(null); |
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82 |
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83 @Option(help = "Run CTW using as many threads as there are processors on the system", type = OptionType.Debug) |
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84 public static final OptionValue<Boolean> CompileTheWorldMultiThreaded = new OptionValue<>(false); |
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85 @Option(help = "Number of threads to use for multithreaded CTW. Defaults to Runtime.getRuntime().availableProcessors()", type = OptionType.Debug) |
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86 public static final OptionValue<Integer> CompileTheWorldThreads = new OptionValue<>(0); |
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87 // @formatter:on |
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88 |
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89 /** |
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90 * Overrides {@link #CompileTheWorldStartAt} and {@link #CompileTheWorldStopAt} from |
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91 * {@code -XX} HotSpot options of the same name if the latter have non-default values. |
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92 */ |
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93 static void overrideWithNativeOptions(HotSpotVMConfig c) { |
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94 if (c.compileTheWorldStartAt != 1) { |
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95 CompileTheWorldStartAt.setValue(c.compileTheWorldStartAt); |
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96 } |
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97 if (c.compileTheWorldStopAt != Integer.MAX_VALUE) { |
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98 CompileTheWorldStopAt.setValue(c.compileTheWorldStopAt); |
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99 } |
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100 } |
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101 } |
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102 |
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103 /** |
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104 * A mechanism for overriding Graal options that affect compilation. A {@link Config} object |
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105 * should be used in a try-with-resources statement to ensure overriding of options is scoped |
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106 * properly. For example: |
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108 * <pre> |
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109 * Config config = ...; |
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110 * try (AutoCloseable s = config == null ? null : config.apply()) { |
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111 * // perform a Graal compilation |
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112 * } |
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113 * </pre> |
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114 */ |
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115 @SuppressWarnings("serial") |
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116 public static class Config extends HashMap<OptionValue<?>, Object> implements OptionConsumer { |
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117 /** |
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118 * Creates a {@link Config} object by parsing a set of space separated override options. |
14906 | 119 * |
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120 * @param options a space separated set of option value settings with each option setting in |
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121 * a format compatible with |
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122 * {@link OptionUtils#parseOption(String, OptionConsumer)}. Ignored if null. |
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123 */ |
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124 public Config(String options) { |
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125 if (options != null) { |
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126 for (String option : options.split("\\s+")) { |
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127 OptionUtils.parseOption(option, this); |
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128 } |
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129 } |
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130 } |
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131 |
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132 /** |
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133 * Applies the overrides represented by this object. The overrides are in effect until |
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134 * {@link OverrideScope#close()} is called on the returned object. |
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135 */ |
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136 OverrideScope apply() { |
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137 return OptionValue.override(this); |
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138 } |
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139 |
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140 public void set(OptionDescriptor desc, Object value) { |
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141 put(desc.getOptionValue(), value); |
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142 } |
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143 } |
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144 |
9108 | 145 // Some runtime instances we need. |
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146 private final HotSpotGraalRuntimeProvider runtime = runtime(); |
9108 | 147 |
14906 | 148 /** List of Zip/Jar files to compile (see {@link Options#CompileTheWorldClasspath}). */ |
9108 | 149 private final String files; |
150 | |
14906 | 151 /** Class index to start compilation at (see {@link Options#CompileTheWorldStartAt}). */ |
9108 | 152 private final int startAt; |
153 | |
14906 | 154 /** Class index to stop compilation at (see {@link Options#CompileTheWorldStopAt}). */ |
9108 | 155 private final int stopAt; |
156 | |
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157 /** Only compile methods matching one of the filters in this array if the array is non-null. */ |
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158 private final MethodFilter[] methodFilters; |
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159 |
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160 /** Exclude methods matching one of the filters in this array if the array is non-null. */ |
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161 private final MethodFilter[] excludeMethodFilters; |
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162 |
9108 | 163 // Counters |
164 private int classFileCounter = 0; | |
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165 private AtomicLong compiledMethodsCounter = new AtomicLong(); |
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166 private AtomicLong compileTime = new AtomicLong(); |
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167 private AtomicLong memoryUsed = new AtomicLong(); |
9108 | 168 |
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169 private boolean verbose; |
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170 private final Config config; |
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171 |
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172 /** |
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173 * Signal that the threads should start compiling in multithreaded mode. |
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174 */ |
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175 private boolean running; |
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176 |
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177 private ThreadPoolExecutor threadPool; |
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178 |
9108 | 179 /** |
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180 * Creates a compile-the-world instance. |
14906 | 181 * |
9108 | 182 * @param files {@link File#pathSeparator} separated list of Zip/Jar files to compile |
183 * @param startAt index of the class file to start compilation at | |
184 * @param stopAt index of the class file to stop compilation at | |
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185 * @param methodFilters |
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186 * @param excludeMethodFilters |
9108 | 187 */ |
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188 public CompileTheWorld(String files, Config config, int startAt, int stopAt, String methodFilters, String excludeMethodFilters, boolean verbose) { |
9108 | 189 this.files = files; |
190 this.startAt = startAt; | |
191 this.stopAt = stopAt; | |
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192 this.methodFilters = methodFilters == null || methodFilters.isEmpty() ? null : MethodFilter.parse(methodFilters); |
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193 this.excludeMethodFilters = excludeMethodFilters == null || excludeMethodFilters.isEmpty() ? null : MethodFilter.parse(excludeMethodFilters); |
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194 this.verbose = verbose; |
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195 this.config = config; |
9108 | 196 |
13113 | 197 // We don't want the VM to exit when a method fails to compile... |
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198 config.putIfAbsent(ExitVMOnException, false); |
13113 | 199 |
200 // ...but we want to see exceptions. | |
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201 config.putIfAbsent(PrintBailout, true); |
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202 config.putIfAbsent(PrintStackTraceOnException, true); |
9108 | 203 } |
204 | |
205 /** | |
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206 * Compiles all methods in all classes in the Zip/Jar archive files in |
14906 | 207 * {@link Options#CompileTheWorldClasspath}. If {@link Options#CompileTheWorldClasspath} |
208 * contains the magic token {@link #SUN_BOOT_CLASS_PATH} passed up from HotSpot we take the | |
209 * files from the boot class path. | |
9108 | 210 */ |
211 public void compile() throws Throwable { | |
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212 // By default only report statistics for the CTW threads themselves |
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213 if (GraalDebugConfig.DebugValueThreadFilter.hasDefaultValue()) { |
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214 GraalDebugConfig.DebugValueThreadFilter.setValue("^CompileTheWorld"); |
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215 } |
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216 |
9108 | 217 if (SUN_BOOT_CLASS_PATH.equals(files)) { |
218 final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator); | |
219 String bcpFiles = ""; | |
220 for (int i = 0; i < entries.length; i++) { | |
221 final String entry = entries[i]; | |
222 | |
223 // We stop at rt.jar, unless it is the first boot class path entry. | |
224 if (entry.endsWith("rt.jar") && (i > 0)) { | |
225 break; | |
226 } | |
227 if (i > 0) { | |
228 bcpFiles += File.pathSeparator; | |
229 } | |
230 bcpFiles += entry; | |
231 } | |
232 compile(bcpFiles); | |
233 } else { | |
234 compile(files); | |
235 } | |
236 } | |
237 | |
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238 public void println() { |
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239 println(""); |
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240 } |
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241 |
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242 public void println(String format, Object... args) { |
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243 println(String.format(format, args)); |
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244 } |
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245 |
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246 public void println(String s) { |
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247 if (verbose) { |
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248 TTY.println(s); |
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249 } |
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250 } |
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251 |
9108 | 252 /** |
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253 * Compiles all methods in all classes in the Zip/Jar files passed. |
14906 | 254 * |
9108 | 255 * @param fileList {@link File#pathSeparator} separated list of Zip/Jar files to compile |
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256 * @throws IOException |
9108 | 257 */ |
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258 private void compile(String fileList) throws IOException { |
9108 | 259 final String[] entries = fileList.split(File.pathSeparator); |
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260 long start = System.currentTimeMillis(); |
9108 | 261 |
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262 CompilerThreadFactory factory = new CompilerThreadFactory("CompileTheWorld", new DebugConfigAccess() { |
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263 public GraalDebugConfig getDebugConfig() { |
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264 if (Debug.isEnabled() && DebugScope.getConfig() == null) { |
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265 return DebugEnvironment.initialize(System.out); |
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266 } |
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267 return null; |
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268 } |
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269 }); |
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270 |
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271 /* |
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272 * Always use a thread pool, even for single threaded mode since it simplifies the use of |
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273 * DebugValueThreadFilter to filter on the thread names. |
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274 */ |
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275 int threadCount = 1; |
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276 if (Options.CompileTheWorldMultiThreaded.getValue()) { |
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277 threadCount = Options.CompileTheWorldThreads.getValue(); |
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278 if (threadCount == 0) { |
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279 threadCount = Runtime.getRuntime().availableProcessors(); |
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280 } |
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281 } else { |
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282 running = true; |
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283 } |
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284 threadPool = new ThreadPoolExecutor(threadCount, threadCount, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), factory); |
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285 |
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286 try (OverrideScope s = config.apply()) { |
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287 for (int i = 0; i < entries.length; i++) { |
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288 final String entry = entries[i]; |
9108 | 289 |
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290 // For now we only compile all methods in all classes in zip/jar files. |
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291 if (!entry.endsWith(".zip") && !entry.endsWith(".jar")) { |
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292 println("CompileTheWorld : Skipped classes in " + entry); |
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293 println(); |
9108 | 294 continue; |
295 } | |
296 | |
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297 if (methodFilters == null || methodFilters.length == 0) { |
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298 println("CompileTheWorld : Compiling all classes in " + entry); |
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299 } else { |
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300 String include = Arrays.asList(methodFilters).stream().map(MethodFilter::toString).collect(Collectors.joining(", ")); |
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301 println("CompileTheWorld : Compiling all methods in " + entry + " matching one of the following filters: " + include); |
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302 } |
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303 if (excludeMethodFilters != null && excludeMethodFilters.length > 0) { |
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304 String exclude = Arrays.asList(excludeMethodFilters).stream().map(MethodFilter::toString).collect(Collectors.joining(", ")); |
21283 | 305 println("CompileTheWorld : Excluding all methods matching one of the following filters: " + exclude); |
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306 } |
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307 println(); |
9108 | 308 |
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309 URL url = new URL("jar", "", "file:" + entry + "!/"); |
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310 ClassLoader loader = new URLClassLoader(new URL[]{url}); |
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311 |
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312 JarFile jarFile = new JarFile(entry); |
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313 Enumeration<JarEntry> e = jarFile.entries(); |
9108 | 314 |
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315 while (e.hasMoreElements()) { |
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316 JarEntry je = e.nextElement(); |
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317 if (je.isDirectory() || !je.getName().endsWith(".class")) { |
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318 continue; |
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319 } |
9108 | 320 |
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321 // Are we done? |
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322 if (classFileCounter >= stopAt) { |
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323 break; |
9108 | 324 } |
325 | |
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326 String className = je.getName().substring(0, je.getName().length() - ".class".length()); |
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327 String dottedClassName = className.replace('/', '.'); |
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328 classFileCounter++; |
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329 |
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330 if (methodFilters != null && !MethodFilter.matchesClassName(methodFilters, dottedClassName)) { |
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331 continue; |
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332 } |
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333 if (excludeMethodFilters != null && MethodFilter.matchesClassName(excludeMethodFilters, dottedClassName)) { |
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334 continue; |
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335 } |
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336 |
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337 if (dottedClassName.startsWith("jdk.management.") || dottedClassName.startsWith("jdk.internal.cmm.*")) { |
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338 continue; |
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339 } |
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340 |
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341 try { |
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342 // Load and initialize class |
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343 Class<?> javaClass = Class.forName(dottedClassName, true, loader); |
9108 | 344 |
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345 // Pre-load all classes in the constant pool. |
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346 try { |
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347 HotSpotResolvedObjectType objectType = HotSpotResolvedObjectTypeImpl.fromObjectClass(javaClass); |
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348 ConstantPool constantPool = objectType.constantPool(); |
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349 for (int cpi = 1; cpi < constantPool.length(); cpi++) { |
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350 constantPool.loadReferencedType(cpi, Bytecodes.LDC); |
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351 } |
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352 } catch (Throwable t) { |
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353 // If something went wrong during pre-loading we just ignore it. |
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354 println("Preloading failed for (%d) %s: %s", classFileCounter, className, t); |
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355 } |
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356 |
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357 // Are we compiling this class? |
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358 MetaAccessProvider metaAccess = runtime.getHostProviders().getMetaAccess(); |
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359 if (classFileCounter >= startAt) { |
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360 println("CompileTheWorld (%d) : %s", classFileCounter, className); |
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361 |
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362 // Compile each constructor/method in the class. |
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363 for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) { |
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364 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(constructor); |
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365 if (canBeCompiled(javaMethod, constructor.getModifiers())) { |
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366 compileMethod(javaMethod); |
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367 } |
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368 } |
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369 for (Method method : javaClass.getDeclaredMethods()) { |
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370 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method); |
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371 if (canBeCompiled(javaMethod, method.getModifiers())) { |
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372 compileMethod(javaMethod); |
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373 } |
9108 | 374 } |
375 } | |
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376 } catch (Throwable t) { |
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377 println("CompileTheWorld (%d) : Skipping %s %s", classFileCounter, className, t.toString()); |
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378 t.printStackTrace(); |
9108 | 379 } |
380 } | |
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381 jarFile.close(); |
9108 | 382 } |
383 } | |
384 | |
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385 if (!running) { |
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386 startThreads(); |
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387 } |
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388 int wakeups = 0; |
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389 while (threadPool.getCompletedTaskCount() != threadPool.getTaskCount()) { |
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390 if (wakeups % 15 == 0) { |
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391 TTY.println("CompileTheWorld : Waiting for " + (threadPool.getTaskCount() - threadPool.getCompletedTaskCount()) + " compiles"); |
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392 } |
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393 try { |
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394 threadPool.awaitTermination(1, TimeUnit.SECONDS); |
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395 wakeups++; |
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396 } catch (InterruptedException e) { |
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397 } |
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398 } |
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399 threadPool = null; |
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400 |
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401 long elapsedTime = System.currentTimeMillis() - start; |
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402 |
13199
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403 println(); |
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404 if (Options.CompileTheWorldMultiThreaded.getValue()) { |
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405 TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms elapsed, %d ms compile time, %d bytes of memory used)", classFileCounter, compiledMethodsCounter.get(), elapsedTime, |
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406 compileTime.get(), memoryUsed.get()); |
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407 } else { |
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408 TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms, %d bytes of memory used)", classFileCounter, compiledMethodsCounter.get(), compileTime.get(), memoryUsed.get()); |
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409 } |
9108 | 410 } |
411 | |
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412 private synchronized void startThreads() { |
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413 running = true; |
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414 // Wake up any waiting threads |
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415 notifyAll(); |
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416 } |
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417 |
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418 private synchronized void waitToRun() { |
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419 while (!running) { |
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420 try { |
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421 wait(); |
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422 } catch (InterruptedException e) { |
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423 } |
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424 } |
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425 } |
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426 |
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427 class CTWCompilationTask extends CompilationTask { |
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428 |
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429 CTWCompilationTask(HotSpotBackend backend, HotSpotResolvedJavaMethod method) { |
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430 super(backend, method, INVOCATION_ENTRY_BCI, 0L, method.allocateCompileId(INVOCATION_ENTRY_BCI), false); |
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431 } |
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432 |
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433 /** |
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434 * Returns empty profiling info to be as close to the CTW behavior of C1 and C2 as possible. |
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435 */ |
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436 @Override |
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437 protected ProfilingInfo getProfilingInfo() { |
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438 // Be optimistic and return false for exceptionSeen. |
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439 return DefaultProfilingInfo.get(TriState.FALSE); |
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440 } |
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441 } |
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442 |
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443 private void compileMethod(HotSpotResolvedJavaMethod method) throws InterruptedException, ExecutionException { |
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444 if (methodFilters != null && !MethodFilter.matches(methodFilters, method)) { |
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445 return; |
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446 } |
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447 if (excludeMethodFilters != null && MethodFilter.matches(excludeMethodFilters, method)) { |
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448 return; |
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449 } |
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450 Future<?> task = threadPool.submit(new Runnable() { |
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451 public void run() { |
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452 waitToRun(); |
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453 try (OverrideScope s = config.apply()) { |
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454 compileMethod(method, classFileCounter); |
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455 } |
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456 } |
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457 }); |
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458 if (threadPool.getCorePoolSize() == 1) { |
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459 task.get(); |
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460 } |
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461 } |
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462 |
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463 /** |
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464 * Compiles a method and gathers some statistics. |
9108 | 465 */ |
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466 private void compileMethod(HotSpotResolvedJavaMethod method, int counter) { |
9108 | 467 try { |
468 long start = System.currentTimeMillis(); | |
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469 long allocatedAtStart = getCurrentThreadAllocatedBytes(); |
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470 |
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471 HotSpotBackend backend = runtime.getHostBackend(); |
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472 CompilationTask task = new CTWCompilationTask(backend, method); |
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473 task.runCompilation(); |
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474 |
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475 memoryUsed.getAndAdd(getCurrentThreadAllocatedBytes() - allocatedAtStart); |
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476 compileTime.getAndAdd(System.currentTimeMillis() - start); |
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477 compiledMethodsCounter.incrementAndGet(); |
9108 | 478 } catch (Throwable t) { |
479 // Catch everything and print a message | |
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480 println("CompileTheWorld (%d) : Error compiling method: %s", counter, method.format("%H.%n(%p):%r")); |
9108 | 481 t.printStackTrace(TTY.cachedOut); |
482 } | |
483 } | |
484 | |
485 /** | |
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486 * Determines if a method should be compiled (Cf. CompilationPolicy::can_be_compiled). |
14906 | 487 * |
9108 | 488 * @return true if it can be compiled, false otherwise |
489 */ | |
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490 private boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) { |
9108 | 491 if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) { |
492 return false; | |
493 } | |
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494 HotSpotVMConfig c = runtime.getConfig(); |
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495 if (c.dontCompileHugeMethods && javaMethod.getCodeSize() > c.hugeMethodLimit) { |
9108 | 496 return false; |
497 } | |
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498 // Allow use of -XX:CompileCommand=dontinline to exclude problematic methods |
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499 if (!javaMethod.canBeInlined()) { |
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500 return false; |
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501 } |
9108 | 502 // Skip @Snippets for now |
503 if (javaMethod.getAnnotation(Snippet.class) != null) { | |
504 return false; | |
505 } | |
506 return true; | |
507 } | |
508 | |
509 } |