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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompileTheWorld.java @ 13200:ebdc13d9845d
replaced use of graal.compileTheWorldTest.log system property with a field to control CTW verbosity which is true by default but is set to false by CTW unit test
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Sat, 30 Nov 2013 11:07:41 +0100 |
| parents | bae0869c829a |
| children | 0e5c4f9fa9a5 |
| rev | line source |
|---|---|
| 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.hotspot.HotSpotGraalRuntime.*; |
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26 import static com.oracle.graal.phases.GraalOptions.*; |
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27 |
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28 import java.io.*; |
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29 import java.lang.reflect.*; |
| 9108 | 30 import java.net.*; |
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31 import java.util.*; |
| 9108 | 32 import java.util.jar.*; |
| 33 | |
| 34 import com.oracle.graal.api.meta.*; | |
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35 import com.oracle.graal.bytecode.*; |
| 9108 | 36 import com.oracle.graal.debug.*; |
| 37 import com.oracle.graal.hotspot.bridge.*; | |
| 38 import com.oracle.graal.hotspot.meta.*; | |
| 39 import com.oracle.graal.nodes.*; | |
| 40 import com.oracle.graal.phases.*; | |
| 41 import com.oracle.graal.replacements.*; | |
| 42 | |
| 43 /** | |
| 44 * This class implements compile-the-world functionality in Graal. | |
| 45 */ | |
| 46 public final class CompileTheWorld { | |
| 47 | |
| 48 /** | |
| 49 * This is our magic token to trigger reading files from the boot class path. | |
| 50 */ | |
| 51 public static final String SUN_BOOT_CLASS_PATH = "sun.boot.class.path"; | |
| 52 | |
| 53 // Some runtime instances we need. | |
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54 private final HotSpotGraalRuntime runtime = runtime(); |
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55 private final VMToCompilerImpl vmToCompiler = (VMToCompilerImpl) runtime.getVMToCompiler(); |
| 9108 | 56 |
| 57 /** List of Zip/Jar files to compile (see {@link GraalOptions#CompileTheWorld}. */ | |
| 58 private final String files; | |
| 59 | |
| 60 /** Class index to start compilation at (see {@link GraalOptions#CompileTheWorldStartAt}. */ | |
| 61 private final int startAt; | |
| 62 | |
| 63 /** Class index to stop compilation at (see {@link GraalOptions#CompileTheWorldStopAt}. */ | |
| 64 private final int stopAt; | |
| 65 | |
| 66 // Counters | |
| 67 private int classFileCounter = 0; | |
| 68 private int compiledMethodsCounter = 0; | |
| 69 private long compileTime = 0; | |
| 70 | |
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71 private boolean verbose; |
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72 |
| 9108 | 73 /** |
| 74 * Create a compile-the-world instance with default values from | |
| 75 * {@link GraalOptions#CompileTheWorld}, {@link GraalOptions#CompileTheWorldStartAt} and | |
| 76 * {@link GraalOptions#CompileTheWorldStopAt}. | |
| 77 */ | |
| 78 public CompileTheWorld() { | |
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79 this(CompileTheWorld.getValue(), CompileTheWorldStartAt.getValue(), CompileTheWorldStopAt.getValue(), true); |
| 9108 | 80 } |
| 81 | |
| 82 /** | |
| 83 * Create a compile-the-world instance. | |
| 84 * | |
| 85 * @param files {@link File#pathSeparator} separated list of Zip/Jar files to compile | |
| 86 * @param startAt index of the class file to start compilation at | |
| 87 * @param stopAt index of the class file to stop compilation at | |
| 88 */ | |
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89 public CompileTheWorld(String files, int startAt, int stopAt, boolean verbose) { |
| 9108 | 90 this.files = files; |
| 91 this.startAt = startAt; | |
| 92 this.stopAt = stopAt; | |
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93 this.verbose = verbose; |
| 9108 | 94 |
| 13113 | 95 // We don't want the VM to exit when a method fails to compile... |
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96 ExitVMOnException.setValue(false); |
| 13113 | 97 |
| 98 // ...but we want to see exceptions. | |
| 99 PrintBailout.setValue(true); | |
| 100 PrintStackTraceOnException.setValue(true); | |
| 9108 | 101 } |
| 102 | |
| 103 /** | |
| 104 * Compile all methods in all classes in the Zip/Jar files in | |
| 105 * {@link GraalOptions#CompileTheWorld}. If the GraalOptions.CompileTheWorld contains the magic | |
| 106 * token {@link CompileTheWorld#SUN_BOOT_CLASS_PATH} passed up from HotSpot we take the files | |
| 107 * from the boot class path. | |
| 108 * | |
| 109 * @throws Throwable | |
| 110 */ | |
| 111 public void compile() throws Throwable { | |
| 112 if (SUN_BOOT_CLASS_PATH.equals(files)) { | |
| 113 final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator); | |
| 114 String bcpFiles = ""; | |
| 115 for (int i = 0; i < entries.length; i++) { | |
| 116 final String entry = entries[i]; | |
| 117 | |
| 118 // We stop at rt.jar, unless it is the first boot class path entry. | |
| 119 if (entry.endsWith("rt.jar") && (i > 0)) { | |
| 120 break; | |
| 121 } | |
| 122 if (i > 0) { | |
| 123 bcpFiles += File.pathSeparator; | |
| 124 } | |
| 125 bcpFiles += entry; | |
| 126 } | |
| 127 compile(bcpFiles); | |
| 128 } else { | |
| 129 compile(files); | |
| 130 } | |
| 131 } | |
| 132 | |
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133 public void println() { |
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134 println(""); |
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135 } |
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136 |
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137 public void println(String format, Object... args) { |
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138 println(String.format(format, args)); |
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139 } |
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140 |
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141 public void println(String s) { |
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142 if (verbose) { |
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143 TTY.println(s); |
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144 } |
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145 } |
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146 |
| 9108 | 147 /** |
| 148 * Compile all methods in all classes in the Zip/Jar files passed. | |
| 149 * | |
| 150 * @param fileList {@link File#pathSeparator} separated list of Zip/Jar files to compile | |
| 151 * @throws Throwable | |
| 152 */ | |
| 153 private void compile(String fileList) throws Throwable { | |
| 154 final String[] entries = fileList.split(File.pathSeparator); | |
| 155 | |
| 156 for (int i = 0; i < entries.length; i++) { | |
| 157 final String entry = entries[i]; | |
| 158 | |
| 159 // For now we only compile all methods in all classes in zip/jar files. | |
| 160 if (!entry.endsWith(".zip") && !entry.endsWith(".jar")) { | |
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161 println("CompileTheWorld : Skipped classes in " + entry); |
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162 println(); |
| 9108 | 163 continue; |
| 164 } | |
| 165 | |
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166 println("CompileTheWorld : Compiling all classes in " + entry); |
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167 println(); |
| 9108 | 168 |
| 169 URL url = new URL("jar", "", "file:" + entry + "!/"); | |
| 170 ClassLoader loader = new URLClassLoader(new URL[]{url}); | |
| 171 | |
| 172 JarFile jarFile = new JarFile(entry); | |
| 173 Enumeration<JarEntry> e = jarFile.entries(); | |
| 174 | |
| 175 while (e.hasMoreElements()) { | |
| 176 JarEntry je = e.nextElement(); | |
| 177 if (je.isDirectory() || !je.getName().endsWith(".class")) { | |
| 178 continue; | |
| 179 } | |
| 180 | |
| 181 // Are we done? | |
| 182 if (classFileCounter >= stopAt) { | |
| 183 break; | |
| 184 } | |
| 185 | |
| 186 String className = je.getName().substring(0, je.getName().length() - ".class".length()); | |
| 187 classFileCounter++; | |
| 188 | |
| 189 try { | |
| 190 // Load and initialize class | |
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191 Class<?> javaClass = Class.forName(className.replace('/', '.'), true, loader); |
| 9108 | 192 |
| 193 // Pre-load all classes in the constant pool. | |
| 194 try { | |
| 195 HotSpotResolvedObjectType objectType = (HotSpotResolvedObjectType) HotSpotResolvedObjectType.fromClass(javaClass); | |
| 196 ConstantPool constantPool = objectType.constantPool(); | |
| 197 for (int cpi = 1; cpi < constantPool.length(); cpi++) { | |
| 198 constantPool.loadReferencedType(cpi, Bytecodes.LDC); | |
| 199 } | |
| 200 } catch (Throwable t) { | |
| 201 // If something went wrong during pre-loading we just ignore it. | |
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202 println("Preloading failed for (%d) %s", classFileCounter, className); |
| 9108 | 203 } |
| 204 | |
| 205 // Are we compiling this class? | |
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206 HotSpotMetaAccessProvider metaAccess = runtime.getHostProviders().getMetaAccess(); |
| 9108 | 207 if (classFileCounter >= startAt) { |
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208 println("CompileTheWorld (%d) : %s", classFileCounter, className); |
| 9108 | 209 |
| 210 // Enqueue each constructor/method in the class for compilation. | |
| 211 for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) { | |
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212 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaConstructor(constructor); |
| 9108 | 213 if (canBeCompiled(javaMethod, constructor.getModifiers())) { |
| 214 compileMethod(javaMethod); | |
| 215 } | |
| 216 } | |
| 217 for (Method method : javaClass.getDeclaredMethods()) { | |
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218 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method); |
| 9108 | 219 if (canBeCompiled(javaMethod, method.getModifiers())) { |
| 220 compileMethod(javaMethod); | |
| 221 } | |
| 222 } | |
| 223 } | |
| 224 } catch (Throwable t) { | |
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225 println("CompileTheWorld (%d) : Skipping %s", classFileCounter, className); |
| 9108 | 226 } |
| 227 } | |
| 228 jarFile.close(); | |
| 229 } | |
| 230 | |
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231 println(); |
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232 println("CompileTheWorld : Done (%d classes, %d methods, %d ms)", classFileCounter, compiledMethodsCounter, compileTime); |
| 9108 | 233 } |
| 234 | |
| 235 /** | |
| 236 * Helper method to schedule a method for compilation and gather some statistics. | |
| 237 */ | |
| 238 private void compileMethod(HotSpotResolvedJavaMethod method) { | |
| 239 try { | |
| 240 long start = System.currentTimeMillis(); | |
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241 vmToCompiler.compileMethod(method, StructuredGraph.INVOCATION_ENTRY_BCI, true); |
| 9108 | 242 compileTime += (System.currentTimeMillis() - start); |
| 243 compiledMethodsCounter++; | |
| 244 method.reprofile(); // makes the method also not-entrant | |
| 245 } catch (Throwable t) { | |
| 246 // Catch everything and print a message | |
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247 println("CompileTheWorld (%d) : Error compiling method: %s", classFileCounter, MetaUtil.format("%H.%n(%p):%r", method)); |
| 9108 | 248 t.printStackTrace(TTY.cachedOut); |
| 249 } | |
| 250 } | |
| 251 | |
| 252 /** | |
| 253 * Helper method for CompileTheWorld to determine if a method should be compiled (Cf. | |
| 254 * CompilationPolicy::can_be_compiled). | |
| 255 * | |
| 256 * @return true if it can be compiled, false otherwise | |
| 257 */ | |
| 258 private static boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) { | |
| 259 if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) { | |
| 260 return false; | |
| 261 } | |
| 262 // This number is from HotSpot: | |
| 263 final int hugeMethodLimit = 8000; | |
| 264 if (javaMethod.getCodeSize() > hugeMethodLimit) { | |
| 265 return false; | |
| 266 } | |
| 267 // Skip @Snippets for now | |
| 268 if (javaMethod.getAnnotation(Snippet.class) != null) { | |
| 269 return false; | |
| 270 } | |
| 271 return true; | |
| 272 } | |
| 273 | |
| 274 } |