Mercurial > hg > truffle
annotate jvmci/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/CompileTheWorld.java @ 21798:395ac43a8578
moved JVMCI sources from graal/ to jvmci/ directory
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 09 Jun 2015 00:22:49 +0200 |
parents | graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/CompileTheWorld.java@5b9adb645217 |
children | 90e3fecd4143 |
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 */ | |
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23 package com.oracle.jvmci.hotspot; |
9108 | 24 |
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25 import static com.oracle.jvmci.compiler.Compiler.*; |
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26 import static com.oracle.jvmci.debug.internal.MemUseTrackerImpl.*; |
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27 |
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28 import java.io.*; |
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29 import java.lang.annotation.*; |
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30 import java.lang.reflect.*; |
9108 | 31 import java.net.*; |
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32 import java.util.*; |
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33 import java.util.concurrent.*; |
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34 import java.util.concurrent.atomic.*; |
9108 | 35 import java.util.jar.*; |
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36 import java.util.stream.*; |
9108 | 37 |
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38 import com.oracle.jvmci.compiler.*; |
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39 import com.oracle.jvmci.compiler.CompilerThreadFactory.DebugConfigAccess; |
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40 import com.oracle.jvmci.compiler.Compiler; |
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41 import com.oracle.jvmci.debug.*; |
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42 import com.oracle.jvmci.debug.internal.*; |
21562 | 43 import com.oracle.jvmci.meta.*; |
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44 import com.oracle.jvmci.options.*; |
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45 import com.oracle.jvmci.options.OptionUtils.OptionConsumer; |
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46 import com.oracle.jvmci.options.OptionValue.OverrideScope; |
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47 import com.oracle.jvmci.runtime.*; |
9108 | 48 |
49 /** | |
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50 * This class implements compile-the-world functionality with JVMCI. |
9108 | 51 */ |
52 public final class CompileTheWorld { | |
53 | |
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54 /** |
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55 * Magic token to trigger reading files from the boot class path. |
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56 */ |
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57 public static final String SUN_BOOT_CLASS_PATH = "sun.boot.class.path"; |
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58 |
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59 public static class Options { |
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60 // @formatter:off |
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61 @Option(help = "Compile all methods in all classes on given class path", type = OptionType.Debug) |
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62 public static final OptionValue<String> CompileTheWorldClasspath = new OptionValue<>(SUN_BOOT_CLASS_PATH); |
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63 @Option(help = "Verbose CompileTheWorld operation", type = OptionType.Debug) |
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64 public static final OptionValue<Boolean> CompileTheWorldVerbose = new OptionValue<>(true); |
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65 @Option(help = "The number of CompileTheWorld iterations to perform", type = OptionType.Debug) |
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66 public static final OptionValue<Integer> CompileTheWorldIterations = new OptionValue<>(1); |
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67 @Option(help = "Only compile methods matching this filter", type = OptionType.Debug) |
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68 public static final OptionValue<String> CompileTheWorldMethodFilter = new OptionValue<>(null); |
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69 @Option(help = "Exclude methods matching this filter from compilation", type = OptionType.Debug) |
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70 public static final OptionValue<String> CompileTheWorldExcludeMethodFilter = new OptionValue<>(null); |
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71 @Option(help = "First class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug) |
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72 public static final OptionValue<Integer> CompileTheWorldStartAt = new OptionValue<>(1); |
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73 @Option(help = "Last class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug) |
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74 public static final OptionValue<Integer> CompileTheWorldStopAt = new OptionValue<>(Integer.MAX_VALUE); |
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75 @Option(help = "Option value overrides to use during compile the world. For example, " + |
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76 "to disable inlining and partial escape analysis specify '-PartialEscapeAnalysis -Inline'. " + |
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77 "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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78 public static final OptionValue<String> CompileTheWorldConfig = new OptionValue<>(null); |
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79 |
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80 @Option(help = "Run CTW using as many threads as there are processors on the system", type = OptionType.Debug) |
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81 public static final OptionValue<Boolean> CompileTheWorldMultiThreaded = new OptionValue<>(false); |
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82 @Option(help = "Number of threads to use for multithreaded CTW. Defaults to Runtime.getRuntime().availableProcessors()", type = OptionType.Debug) |
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83 public static final OptionValue<Integer> CompileTheWorldThreads = new OptionValue<>(0); |
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84 // @formatter:on |
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85 |
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86 /** |
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87 * Overrides {@link #CompileTheWorldStartAt} and {@link #CompileTheWorldStopAt} from |
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88 * {@code -XX} HotSpot options of the same name if the latter have non-default values. |
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89 */ |
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90 public static void overrideWithNativeOptions(HotSpotVMConfig c) { |
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91 if (c.compileTheWorldStartAt != 1) { |
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92 CompileTheWorldStartAt.setValue(c.compileTheWorldStartAt); |
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93 } |
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94 if (c.compileTheWorldStopAt != Integer.MAX_VALUE) { |
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95 CompileTheWorldStopAt.setValue(c.compileTheWorldStopAt); |
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96 } |
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97 } |
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98 } |
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99 |
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100 /** |
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101 * A mechanism for overriding JVMCI options that affect compilation. A {@link Config} object |
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102 * should be used in a try-with-resources statement to ensure overriding of options is scoped |
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103 * properly. For example: |
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105 * <pre> |
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106 * Config config = ...; |
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107 * try (AutoCloseable s = config == null ? null : config.apply()) { |
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108 * // perform a JVMCI compilation |
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109 * } |
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110 * </pre> |
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111 */ |
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112 @SuppressWarnings("serial") |
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113 public static class Config extends HashMap<OptionValue<?>, Object> implements OptionConsumer { |
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114 /** |
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115 * Creates a {@link Config} object by parsing a set of space separated override options. |
14906 | 116 * |
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117 * @param options a space separated set of option value settings with each option setting in |
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118 * a format compatible with |
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119 * {@link OptionUtils#parseOption(String, OptionConsumer)}. Ignored if null. |
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120 */ |
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121 public Config(String options) { |
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122 if (options != null) { |
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123 for (String option : options.split("\\s+")) { |
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124 OptionUtils.parseOption(option, this); |
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125 } |
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126 } |
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127 } |
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128 |
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129 /** |
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130 * Applies the overrides represented by this object. The overrides are in effect until |
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131 * {@link OverrideScope#close()} is called on the returned object. |
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132 */ |
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133 OverrideScope apply() { |
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134 return OptionValue.override(this); |
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135 } |
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136 |
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137 public void set(OptionDescriptor desc, Object value) { |
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138 put(desc.getOptionValue(), value); |
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139 } |
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140 } |
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141 |
14906 | 142 /** List of Zip/Jar files to compile (see {@link Options#CompileTheWorldClasspath}). */ |
9108 | 143 private final String files; |
144 | |
14906 | 145 /** Class index to start compilation at (see {@link Options#CompileTheWorldStartAt}). */ |
9108 | 146 private final int startAt; |
147 | |
14906 | 148 /** Class index to stop compilation at (see {@link Options#CompileTheWorldStopAt}). */ |
9108 | 149 private final int stopAt; |
150 | |
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151 /** Only compile methods matching one of the filters in this array if the array is non-null. */ |
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152 private final MethodFilter[] methodFilters; |
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153 |
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154 /** Exclude methods matching one of the filters in this array if the array is non-null. */ |
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155 private final MethodFilter[] excludeMethodFilters; |
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156 |
9108 | 157 // Counters |
158 private int classFileCounter = 0; | |
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159 private AtomicLong compiledMethodsCounter = new AtomicLong(); |
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160 private AtomicLong compileTime = new AtomicLong(); |
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161 private AtomicLong memoryUsed = new AtomicLong(); |
9108 | 162 |
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163 private boolean verbose; |
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164 private final Config config; |
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165 |
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166 /** |
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167 * Signal that the threads should start compiling in multithreaded mode. |
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168 */ |
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169 private boolean running; |
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170 |
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171 private ThreadPoolExecutor threadPool; |
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172 |
9108 | 173 /** |
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174 * Creates a compile-the-world instance. |
14906 | 175 * |
9108 | 176 * @param files {@link File#pathSeparator} separated list of Zip/Jar files to compile |
177 * @param startAt index of the class file to start compilation at | |
178 * @param stopAt index of the class file to stop compilation at | |
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179 * @param methodFilters |
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180 * @param excludeMethodFilters |
9108 | 181 */ |
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182 public CompileTheWorld(String files, Config config, int startAt, int stopAt, String methodFilters, String excludeMethodFilters, boolean verbose) { |
9108 | 183 this.files = files; |
184 this.startAt = startAt; | |
185 this.stopAt = stopAt; | |
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186 this.methodFilters = methodFilters == null || methodFilters.isEmpty() ? null : MethodFilter.parse(methodFilters); |
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187 this.excludeMethodFilters = excludeMethodFilters == null || excludeMethodFilters.isEmpty() ? null : MethodFilter.parse(excludeMethodFilters); |
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188 this.verbose = verbose; |
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189 this.config = config; |
9108 | 190 |
13113 | 191 // We don't want the VM to exit when a method fails to compile... |
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192 config.putIfAbsent(ExitVMOnException, false); |
13113 | 193 |
194 // ...but we want to see exceptions. | |
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195 config.putIfAbsent(PrintBailout, true); |
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196 config.putIfAbsent(PrintStackTraceOnException, true); |
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197 config.putIfAbsent(HotSpotResolvedJavaMethodImpl.Options.UseProfilingInformation, false); |
9108 | 198 } |
199 | |
200 /** | |
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201 * Compiles all methods in all classes in the Zip/Jar archive files in |
14906 | 202 * {@link Options#CompileTheWorldClasspath}. If {@link Options#CompileTheWorldClasspath} |
203 * contains the magic token {@link #SUN_BOOT_CLASS_PATH} passed up from HotSpot we take the | |
204 * files from the boot class path. | |
9108 | 205 */ |
206 public void compile() throws Throwable { | |
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207 // By default only report statistics for the CTW threads themselves |
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208 if (JVMCIDebugConfig.DebugValueThreadFilter.hasDefaultValue()) { |
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209 JVMCIDebugConfig.DebugValueThreadFilter.setValue("^CompileTheWorld"); |
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210 } |
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211 |
9108 | 212 if (SUN_BOOT_CLASS_PATH.equals(files)) { |
213 final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator); | |
214 String bcpFiles = ""; | |
215 for (int i = 0; i < entries.length; i++) { | |
216 final String entry = entries[i]; | |
217 | |
218 // We stop at rt.jar, unless it is the first boot class path entry. | |
219 if (entry.endsWith("rt.jar") && (i > 0)) { | |
220 break; | |
221 } | |
222 if (i > 0) { | |
223 bcpFiles += File.pathSeparator; | |
224 } | |
225 bcpFiles += entry; | |
226 } | |
227 compile(bcpFiles); | |
228 } else { | |
229 compile(files); | |
230 } | |
231 } | |
232 | |
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233 public void println() { |
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234 println(""); |
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235 } |
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236 |
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237 public void println(String format, Object... args) { |
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238 println(String.format(format, args)); |
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239 } |
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240 |
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241 public void println(String s) { |
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242 if (verbose) { |
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243 TTY.println(s); |
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244 } |
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245 } |
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246 |
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247 @SuppressWarnings("unused") |
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248 private static void dummy() { |
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249 } |
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250 |
9108 | 251 /** |
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252 * Compiles all methods in all classes in the Zip/Jar files passed. |
14906 | 253 * |
9108 | 254 * @param fileList {@link File#pathSeparator} separated list of Zip/Jar files to compile |
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255 * @throws IOException |
9108 | 256 */ |
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257 private void compile(String fileList) throws IOException { |
9108 | 258 final String[] entries = fileList.split(File.pathSeparator); |
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259 long start = System.currentTimeMillis(); |
9108 | 260 |
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261 CompilerThreadFactory factory = new CompilerThreadFactory("CompileTheWorld", new DebugConfigAccess() { |
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262 public JVMCIDebugConfig getDebugConfig() { |
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263 if (Debug.isEnabled() && DebugScope.getConfig() == null) { |
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264 return DebugEnvironment.initialize(System.out); |
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265 } |
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266 return null; |
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267 } |
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268 }); |
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269 |
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270 try { |
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271 // compile dummy method to get compiler initilized outside of the config debug override. |
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272 HotSpotResolvedJavaMethod dummyMethod = (HotSpotResolvedJavaMethod) JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess().lookupJavaMethod( |
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273 CompileTheWorld.class.getDeclaredMethod("dummy")); |
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274 CompilationTask task = new CompilationTask(dummyMethod, Compiler.INVOCATION_ENTRY_BCI, 0L, dummyMethod.allocateCompileId(Compiler.INVOCATION_ENTRY_BCI), false); |
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275 task.runCompilation(); |
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276 } catch (NoSuchMethodException | SecurityException e1) { |
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277 e1.printStackTrace(); |
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278 } |
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279 |
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280 /* |
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281 * Always use a thread pool, even for single threaded mode since it simplifies the use of |
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282 * DebugValueThreadFilter to filter on the thread names. |
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283 */ |
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284 int threadCount = 1; |
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285 if (Options.CompileTheWorldMultiThreaded.getValue()) { |
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286 threadCount = Options.CompileTheWorldThreads.getValue(); |
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287 if (threadCount == 0) { |
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288 threadCount = Runtime.getRuntime().availableProcessors(); |
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289 } |
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290 } else { |
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291 running = true; |
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292 } |
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293 threadPool = new ThreadPoolExecutor(threadCount, threadCount, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), factory); |
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294 |
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295 try (OverrideScope s = config.apply()) { |
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296 for (int i = 0; i < entries.length; i++) { |
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297 final String entry = entries[i]; |
9108 | 298 |
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299 // For now we only compile all methods in all classes in zip/jar files. |
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300 if (!entry.endsWith(".zip") && !entry.endsWith(".jar")) { |
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301 println("CompileTheWorld : Skipped classes in " + entry); |
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302 println(); |
9108 | 303 continue; |
304 } | |
305 | |
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306 if (methodFilters == null || methodFilters.length == 0) { |
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307 println("CompileTheWorld : Compiling all classes in " + entry); |
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308 } else { |
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309 String include = Arrays.asList(methodFilters).stream().map(MethodFilter::toString).collect(Collectors.joining(", ")); |
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310 println("CompileTheWorld : Compiling all methods in " + entry + " matching one of the following filters: " + include); |
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311 } |
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312 if (excludeMethodFilters != null && excludeMethodFilters.length > 0) { |
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313 String exclude = Arrays.asList(excludeMethodFilters).stream().map(MethodFilter::toString).collect(Collectors.joining(", ")); |
21283 | 314 println("CompileTheWorld : Excluding all methods matching one of the following filters: " + exclude); |
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315 } |
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316 println(); |
9108 | 317 |
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318 URL url = new URL("jar", "", "file:" + entry + "!/"); |
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319 ClassLoader loader = new URLClassLoader(new URL[]{url}); |
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320 |
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321 JarFile jarFile = new JarFile(entry); |
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322 Enumeration<JarEntry> e = jarFile.entries(); |
9108 | 323 |
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324 while (e.hasMoreElements()) { |
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325 JarEntry je = e.nextElement(); |
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326 if (je.isDirectory() || !je.getName().endsWith(".class")) { |
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327 continue; |
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328 } |
9108 | 329 |
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330 // Are we done? |
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331 if (classFileCounter >= stopAt) { |
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332 break; |
9108 | 333 } |
334 | |
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335 String className = je.getName().substring(0, je.getName().length() - ".class".length()); |
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336 String dottedClassName = className.replace('/', '.'); |
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337 classFileCounter++; |
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338 |
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339 if (methodFilters != null && !MethodFilter.matchesClassName(methodFilters, dottedClassName)) { |
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340 continue; |
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341 } |
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342 if (excludeMethodFilters != null && MethodFilter.matchesClassName(excludeMethodFilters, dottedClassName)) { |
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343 continue; |
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344 } |
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345 |
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346 if (dottedClassName.startsWith("jdk.management.") || dottedClassName.startsWith("jdk.internal.cmm.*")) { |
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347 continue; |
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348 } |
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349 |
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350 try { |
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351 // Load and initialize class |
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352 Class<?> javaClass = Class.forName(dottedClassName, true, loader); |
9108 | 353 |
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354 // Pre-load all classes in the constant pool. |
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355 try { |
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356 HotSpotResolvedObjectType objectType = HotSpotResolvedObjectTypeImpl.fromObjectClass(javaClass); |
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357 ConstantPool constantPool = objectType.constantPool(); |
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358 for (int cpi = 1; cpi < constantPool.length(); cpi++) { |
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359 constantPool.loadReferencedType(cpi, HotSpotConstantPool.Bytecodes.LDC); |
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360 } |
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361 } catch (Throwable t) { |
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362 // If something went wrong during pre-loading we just ignore it. |
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363 println("Preloading failed for (%d) %s: %s", classFileCounter, className, t); |
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364 } |
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365 |
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366 // Are we compiling this class? |
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367 MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); |
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368 if (classFileCounter >= startAt) { |
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369 println("CompileTheWorld (%d) : %s", classFileCounter, className); |
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370 |
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371 // Compile each constructor/method in the class. |
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372 for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) { |
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373 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(constructor); |
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374 if (canBeCompiled(javaMethod, constructor.getModifiers())) { |
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375 compileMethod(javaMethod); |
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376 } |
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377 } |
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378 for (Method method : javaClass.getDeclaredMethods()) { |
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379 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method); |
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380 if (canBeCompiled(javaMethod, method.getModifiers())) { |
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381 compileMethod(javaMethod); |
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382 } |
9108 | 383 } |
384 } | |
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385 } catch (Throwable t) { |
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386 println("CompileTheWorld (%d) : Skipping %s %s", classFileCounter, className, t.toString()); |
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387 t.printStackTrace(); |
9108 | 388 } |
389 } | |
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390 jarFile.close(); |
9108 | 391 } |
392 } | |
393 | |
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394 if (!running) { |
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395 startThreads(); |
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396 } |
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397 int wakeups = 0; |
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398 while (threadPool.getCompletedTaskCount() != threadPool.getTaskCount()) { |
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399 if (wakeups % 15 == 0) { |
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400 TTY.println("CompileTheWorld : Waiting for " + (threadPool.getTaskCount() - threadPool.getCompletedTaskCount()) + " compiles"); |
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401 } |
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402 try { |
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403 threadPool.awaitTermination(1, TimeUnit.SECONDS); |
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404 wakeups++; |
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405 } catch (InterruptedException e) { |
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406 } |
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407 } |
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408 threadPool = null; |
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409 |
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410 long elapsedTime = System.currentTimeMillis() - start; |
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411 |
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412 println(); |
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413 if (Options.CompileTheWorldMultiThreaded.getValue()) { |
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414 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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415 compileTime.get(), memoryUsed.get()); |
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416 } else { |
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417 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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418 } |
9108 | 419 } |
420 | |
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421 private synchronized void startThreads() { |
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422 running = true; |
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423 // Wake up any waiting threads |
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424 notifyAll(); |
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425 } |
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426 |
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427 private synchronized void waitToRun() { |
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428 while (!running) { |
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429 try { |
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430 wait(); |
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431 } catch (InterruptedException e) { |
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432 } |
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433 } |
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434 } |
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435 |
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436 private void compileMethod(HotSpotResolvedJavaMethod method) throws InterruptedException, ExecutionException { |
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437 if (methodFilters != null && !MethodFilter.matches(methodFilters, method)) { |
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438 return; |
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439 } |
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440 if (excludeMethodFilters != null && MethodFilter.matches(excludeMethodFilters, method)) { |
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441 return; |
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442 } |
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443 Future<?> task = threadPool.submit(new Runnable() { |
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444 public void run() { |
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445 waitToRun(); |
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446 try (OverrideScope s = config.apply()) { |
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447 compileMethod(method, classFileCounter); |
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448 } |
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449 } |
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450 }); |
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451 if (threadPool.getCorePoolSize() == 1) { |
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452 task.get(); |
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453 } |
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454 } |
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455 |
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456 /** |
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457 * Compiles a method and gathers some statistics. |
9108 | 458 */ |
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459 private void compileMethod(HotSpotResolvedJavaMethod method, int counter) { |
9108 | 460 try { |
461 long start = System.currentTimeMillis(); | |
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462 long allocatedAtStart = getCurrentThreadAllocatedBytes(); |
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463 |
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464 CompilationTask task = new CompilationTask(method, Compiler.INVOCATION_ENTRY_BCI, 0L, method.allocateCompileId(Compiler.INVOCATION_ENTRY_BCI), false); |
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465 task.runCompilation(); |
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466 |
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467 memoryUsed.getAndAdd(getCurrentThreadAllocatedBytes() - allocatedAtStart); |
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468 compileTime.getAndAdd(System.currentTimeMillis() - start); |
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469 compiledMethodsCounter.incrementAndGet(); |
9108 | 470 } catch (Throwable t) { |
471 // Catch everything and print a message | |
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472 println("CompileTheWorld (%d) : Error compiling method: %s", counter, method.format("%H.%n(%p):%r")); |
9108 | 473 t.printStackTrace(TTY.cachedOut); |
474 } | |
475 } | |
476 | |
477 /** | |
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478 * Determines if a method should be compiled (Cf. CompilationPolicy::can_be_compiled). |
14906 | 479 * |
9108 | 480 * @return true if it can be compiled, false otherwise |
481 */ | |
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482 private static boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) { |
9108 | 483 if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) { |
484 return false; | |
485 } | |
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486 HotSpotVMConfig c = HotSpotJVMCIRuntime.runtime().getConfig(); |
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487 if (c.dontCompileHugeMethods && javaMethod.getCodeSize() > c.hugeMethodLimit) { |
9108 | 488 return false; |
489 } | |
16831
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490 // Allow use of -XX:CompileCommand=dontinline to exclude problematic methods |
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491 if (!javaMethod.canBeInlined()) { |
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492 return false; |
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493 } |
9108 | 494 // Skip @Snippets for now |
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495 for (Annotation annotation : javaMethod.getAnnotations()) { |
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496 if (annotation.annotationType().getName().equals("com.oracle.graal.replacements.Snippet")) { |
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497 return false; |
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498 } |
9108 | 499 } |
500 return true; | |
501 } | |
502 | |
503 } |