Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompileTheWorld.java @ 20018:3cbb0846337c
added -G:CompileTheWorldMethodFilter option
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 24 Mar 2015 11:36:52 +0100 |
parents | 926850b25c65 |
children | d3b3a094df52 |
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; |
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43 import com.oracle.graal.compiler.common.*; |
9108 | 44 import com.oracle.graal.debug.*; |
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 = "First class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug) |
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73 public static final OptionValue<Integer> CompileTheWorldStartAt = new OptionValue<>(1); |
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74 @Option(help = "Last class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug) |
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75 public static final OptionValue<Integer> CompileTheWorldStopAt = new OptionValue<>(Integer.MAX_VALUE); |
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76 @Option(help = "Option value overrides to use during compile the world. For example, " + |
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77 "to disable inlining and partial escape analysis specify '-PartialEscapeAnalysis -Inline'. " + |
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78 "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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79 public static final OptionValue<String> CompileTheWorldConfig = new OptionValue<>(null); |
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80 |
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81 @Option(help = "Run CTW using as many threads as there are processors on the system", type = OptionType.Debug) |
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82 public static final OptionValue<Boolean> CompileTheWorldMultiThreaded = new OptionValue<>(false); |
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83 @Option(help = "Number of threads to use for multithreaded CTW. Defaults to Runtime.getRuntime().availableProcessors()", type = OptionType.Debug) |
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84 public static final OptionValue<Integer> CompileTheWorldThreads = new OptionValue<>(0); |
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85 // @formatter:on |
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86 |
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87 /** |
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88 * Overrides {@link #CompileTheWorldStartAt} and {@link #CompileTheWorldStopAt} from |
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89 * {@code -XX} HotSpot options of the same name if the latter have non-default values. |
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90 */ |
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91 static void overrideWithNativeOptions(HotSpotVMConfig c) { |
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92 if (c.compileTheWorldStartAt != 1) { |
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93 CompileTheWorldStartAt.setValue(c.compileTheWorldStartAt); |
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94 } |
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95 if (c.compileTheWorldStopAt != Integer.MAX_VALUE) { |
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96 CompileTheWorldStopAt.setValue(c.compileTheWorldStopAt); |
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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 /** |
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102 * A mechanism for overriding Graal options that affect compilation. A {@link Config} object |
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103 * should be used in a try-with-resources statement to ensure overriding of options is scoped |
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104 * properly. For example: |
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106 * <pre> |
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107 * Config config = ...; |
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108 * try (AutoCloseable s = config == null ? null : config.apply()) { |
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109 * // perform a Graal compilation |
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110 * } |
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111 * </pre> |
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112 */ |
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113 @SuppressWarnings("serial") |
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114 public static class Config extends HashMap<OptionValue<?>, Object> implements OptionConsumer { |
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115 /** |
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116 * Creates a {@link Config} object by parsing a set of space separated override options. |
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118 * @param options a space separated set of option value settings with each option setting in |
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119 * a format compatible with |
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120 * {@link HotSpotOptions#parseOption(String, OptionConsumer)}. Ignored if null. |
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121 */ |
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122 public Config(String options) { |
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123 if (options != null) { |
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124 for (String option : options.split("\\s+")) { |
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125 if (!HotSpotOptions.parseOption(option, this)) { |
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126 throw new GraalInternalError("Invalid option specified: %s", option); |
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127 } |
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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 |
9108 | 160 // Counters |
161 private int classFileCounter = 0; | |
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162 private AtomicLong compiledMethodsCounter = new AtomicLong(); |
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163 private AtomicLong compileTime = new AtomicLong(); |
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164 private AtomicLong memoryUsed = new AtomicLong(); |
9108 | 165 |
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166 private boolean verbose; |
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167 private final Config config; |
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168 |
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169 /** |
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170 * Signal that the threads should start compiling in multithreaded mode. |
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171 */ |
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172 private boolean running; |
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173 |
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174 private ThreadPoolExecutor threadPool; |
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175 |
9108 | 176 /** |
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177 * Creates a compile-the-world instance. |
14906 | 178 * |
9108 | 179 * @param files {@link File#pathSeparator} separated list of Zip/Jar files to compile |
180 * @param startAt index of the class file to start compilation at | |
181 * @param stopAt index of the class file to stop compilation at | |
182 */ | |
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183 public CompileTheWorld(String files, Config config, int startAt, int stopAt, String methodFilters, boolean verbose) { |
9108 | 184 this.files = files; |
185 this.startAt = startAt; | |
186 this.stopAt = stopAt; | |
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187 this.methodFilters = methodFilters == null || methodFilters.isEmpty() ? null : MethodFilter.parse(methodFilters); |
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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); |
9108 | 197 } |
198 | |
199 /** | |
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200 * Compiles all methods in all classes in the Zip/Jar archive files in |
14906 | 201 * {@link Options#CompileTheWorldClasspath}. If {@link Options#CompileTheWorldClasspath} |
202 * contains the magic token {@link #SUN_BOOT_CLASS_PATH} passed up from HotSpot we take the | |
203 * files from the boot class path. | |
9108 | 204 */ |
205 public void compile() throws Throwable { | |
206 if (SUN_BOOT_CLASS_PATH.equals(files)) { | |
207 final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator); | |
208 String bcpFiles = ""; | |
209 for (int i = 0; i < entries.length; i++) { | |
210 final String entry = entries[i]; | |
211 | |
212 // We stop at rt.jar, unless it is the first boot class path entry. | |
213 if (entry.endsWith("rt.jar") && (i > 0)) { | |
214 break; | |
215 } | |
216 if (i > 0) { | |
217 bcpFiles += File.pathSeparator; | |
218 } | |
219 bcpFiles += entry; | |
220 } | |
221 compile(bcpFiles); | |
222 } else { | |
223 compile(files); | |
224 } | |
225 } | |
226 | |
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227 public void println() { |
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228 println(""); |
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229 } |
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230 |
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231 public void println(String format, Object... args) { |
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232 println(String.format(format, args)); |
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233 } |
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234 |
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235 public void println(String s) { |
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236 if (verbose) { |
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237 TTY.println(s); |
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238 } |
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239 } |
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240 |
9108 | 241 /** |
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242 * Compiles all methods in all classes in the Zip/Jar files passed. |
14906 | 243 * |
9108 | 244 * @param fileList {@link File#pathSeparator} separated list of Zip/Jar files to compile |
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245 * @throws IOException |
9108 | 246 */ |
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247 private void compile(String fileList) throws IOException { |
9108 | 248 final String[] entries = fileList.split(File.pathSeparator); |
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249 long start = System.currentTimeMillis(); |
9108 | 250 |
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251 if (Options.CompileTheWorldMultiThreaded.getValue()) { |
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252 CompilerThreadFactory factory = new CompilerThreadFactory("CompileTheWorld", new DebugConfigAccess() { |
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253 public GraalDebugConfig getDebugConfig() { |
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254 return DebugEnvironment.initialize(System.out); |
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255 } |
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256 }); |
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257 int threadCount = Options.CompileTheWorldThreads.getValue(); |
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258 if (threadCount == 0) { |
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259 threadCount = Runtime.getRuntime().availableProcessors(); |
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260 } |
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261 threadPool = new ThreadPoolExecutor(threadCount, threadCount, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), factory); |
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262 } |
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263 |
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264 try (OverrideScope s = config.apply()) { |
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265 for (int i = 0; i < entries.length; i++) { |
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266 final String entry = entries[i]; |
9108 | 267 |
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268 // For now we only compile all methods in all classes in zip/jar files. |
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269 if (!entry.endsWith(".zip") && !entry.endsWith(".jar")) { |
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270 println("CompileTheWorld : Skipped classes in " + entry); |
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271 println(); |
9108 | 272 continue; |
273 } | |
274 | |
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275 if (methodFilters == null || methodFilters.length == 0) { |
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276 println("CompileTheWorld : Compiling all classes in " + entry); |
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277 } else { |
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278 println("CompileTheWorld : Compiling all methods in " + entry + " matching one of the following filters: " + |
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279 Arrays.asList(methodFilters).stream().map(MethodFilter::toString).collect(Collectors.joining(", "))); |
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280 } |
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281 println(); |
9108 | 282 |
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283 URL url = new URL("jar", "", "file:" + entry + "!/"); |
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284 ClassLoader loader = new URLClassLoader(new URL[]{url}); |
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285 |
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286 JarFile jarFile = new JarFile(entry); |
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287 Enumeration<JarEntry> e = jarFile.entries(); |
9108 | 288 |
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289 while (e.hasMoreElements()) { |
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290 JarEntry je = e.nextElement(); |
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291 if (je.isDirectory() || !je.getName().endsWith(".class")) { |
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292 continue; |
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293 } |
9108 | 294 |
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295 // Are we done? |
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296 if (classFileCounter >= stopAt) { |
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297 break; |
9108 | 298 } |
299 | |
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300 String className = je.getName().substring(0, je.getName().length() - ".class".length()); |
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301 String dottedClassName = className.replace('/', '.'); |
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302 classFileCounter++; |
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303 |
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304 if (methodFilters != null && !MethodFilter.matchesClassName(methodFilters, dottedClassName)) { |
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305 continue; |
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306 } |
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307 |
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308 try { |
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309 // Load and initialize class |
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310 Class<?> javaClass = Class.forName(dottedClassName, true, loader); |
9108 | 311 |
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312 // Pre-load all classes in the constant pool. |
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313 try { |
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314 HotSpotResolvedObjectType objectType = HotSpotResolvedObjectTypeImpl.fromObjectClass(javaClass); |
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315 ConstantPool constantPool = objectType.constantPool(); |
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316 for (int cpi = 1; cpi < constantPool.length(); cpi++) { |
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317 constantPool.loadReferencedType(cpi, Bytecodes.LDC); |
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318 } |
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319 } catch (Throwable t) { |
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320 // If something went wrong during pre-loading we just ignore it. |
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321 println("Preloading failed for (%d) %s: %s", classFileCounter, className, t); |
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322 } |
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323 |
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324 // Are we compiling this class? |
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325 MetaAccessProvider metaAccess = runtime.getHostProviders().getMetaAccess(); |
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326 if (classFileCounter >= startAt) { |
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327 println("CompileTheWorld (%d) : %s", classFileCounter, className); |
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328 |
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329 // Compile each constructor/method in the class. |
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330 for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) { |
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331 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(constructor); |
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332 if (canBeCompiled(javaMethod, constructor.getModifiers())) { |
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333 compileMethod(javaMethod); |
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334 } |
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335 } |
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336 for (Method method : javaClass.getDeclaredMethods()) { |
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337 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method); |
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338 if (canBeCompiled(javaMethod, method.getModifiers())) { |
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339 compileMethod(javaMethod); |
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340 } |
9108 | 341 } |
342 } | |
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343 } catch (Throwable t) { |
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344 println("CompileTheWorld (%d) : Skipping %s", classFileCounter, className); |
9108 | 345 } |
346 } | |
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347 jarFile.close(); |
9108 | 348 } |
349 } | |
350 | |
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351 if (threadPool != null) { |
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352 startThreads(); |
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353 while (threadPool.getCompletedTaskCount() != threadPool.getTaskCount()) { |
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354 System.out.println("CompileTheWorld : Waiting for " + (threadPool.getTaskCount() - threadPool.getCompletedTaskCount()) + " compiles"); |
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355 try { |
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356 threadPool.awaitTermination(15, TimeUnit.SECONDS); |
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357 } catch (InterruptedException e) { |
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358 } |
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359 } |
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360 threadPool = null; |
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361 } |
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362 |
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363 long elapsedTime = System.currentTimeMillis() - start; |
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364 |
13199
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365 println(); |
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366 if (Options.CompileTheWorldMultiThreaded.getValue()) { |
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367 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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368 compileTime.get(), memoryUsed.get()); |
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369 } else { |
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370 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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371 } |
9108 | 372 } |
373 | |
20014
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374 private synchronized void startThreads() { |
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375 running = true; |
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376 // Wake up any waiting threads |
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377 notifyAll(); |
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378 } |
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379 |
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380 private synchronized void waitToRun() { |
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381 while (!running) { |
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382 try { |
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383 wait(); |
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384 } catch (InterruptedException e) { |
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385 } |
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386 } |
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387 } |
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388 |
13452
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|
389 class CTWCompilationTask extends CompilationTask { |
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390 |
13859
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|
391 CTWCompilationTask(HotSpotBackend backend, HotSpotResolvedJavaMethod method) { |
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392 super(backend, method, INVOCATION_ENTRY_BCI, 0L, method.allocateCompileId(INVOCATION_ENTRY_BCI), false); |
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393 } |
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394 |
13452
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395 /** |
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396 * Returns empty profiling info to be as close to the CTW behavior of C1 and C2 as possible. |
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397 */ |
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398 @Override |
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399 protected ProfilingInfo getProfilingInfo() { |
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400 // Be optimistic and return false for exceptionSeen. |
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401 return DefaultProfilingInfo.get(TriState.FALSE); |
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|
402 } |
13353
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|
403 } |
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13200
diff
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|
404 |
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|
405 private void compileMethod(HotSpotResolvedJavaMethod method) { |
20018
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|
406 if (methodFilters != null && !MethodFilter.matches(methodFilters, method)) { |
3cbb0846337c
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|
407 return; |
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|
408 } |
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|
409 if (threadPool != null) { |
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|
410 threadPool.submit(new Runnable() { |
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|
411 public void run() { |
20014
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|
412 waitToRun(); |
19968
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|
413 try (OverrideScope s = config.apply()) { |
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|
414 compileMethod(method, classFileCounter); |
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415 } |
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416 } |
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417 }); |
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418 } else { |
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419 compileMethod(method, classFileCounter); |
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420 } |
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421 } |
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422 |
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423 /** |
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424 * Compiles a method and gathers some statistics. |
9108 | 425 */ |
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426 private void compileMethod(HotSpotResolvedJavaMethod method, int counter) { |
9108 | 427 try { |
428 long start = System.currentTimeMillis(); | |
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429 long allocatedAtStart = getCurrentThreadAllocatedBytes(); |
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430 |
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431 HotSpotBackend backend = runtime.getHostBackend(); |
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432 CompilationTask task = new CTWCompilationTask(backend, method); |
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433 task.runCompilation(); |
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434 |
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435 memoryUsed.getAndAdd(getCurrentThreadAllocatedBytes() - allocatedAtStart); |
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436 compileTime.getAndAdd(System.currentTimeMillis() - start); |
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437 compiledMethodsCounter.incrementAndGet(); |
9108 | 438 } catch (Throwable t) { |
439 // Catch everything and print a message | |
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440 println("CompileTheWorld (%d) : Error compiling method: %s", counter, method.format("%H.%n(%p):%r")); |
9108 | 441 t.printStackTrace(TTY.cachedOut); |
442 } | |
443 } | |
444 | |
445 /** | |
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446 * Determines if a method should be compiled (Cf. CompilationPolicy::can_be_compiled). |
14906 | 447 * |
9108 | 448 * @return true if it can be compiled, false otherwise |
449 */ | |
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450 private boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) { |
9108 | 451 if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) { |
452 return false; | |
453 } | |
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454 HotSpotVMConfig c = runtime.getConfig(); |
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455 if (c.dontCompileHugeMethods && javaMethod.getCodeSize() > c.hugeMethodLimit) { |
9108 | 456 return false; |
457 } | |
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458 // Allow use of -XX:CompileCommand=dontinline to exclude problematic methods |
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459 if (!javaMethod.canBeInlined()) { |
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460 return false; |
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461 } |
9108 | 462 // Skip @Snippets for now |
463 if (javaMethod.getAnnotation(Snippet.class) != null) { | |
464 return false; | |
465 } | |
466 return true; | |
467 } | |
468 | |
469 } |