truffle: jvmci/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/CompileTheWorld.java comparison

comparison 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>
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

comparison

equal deleted inserted replaced

-:42452d2dfbec
+:395ac43a8578
+/*
+* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+package com.oracle.jvmci.hotspot;
+import static com.oracle.jvmci.compiler.Compiler.*;
+import static com.oracle.jvmci.debug.internal.MemUseTrackerImpl.*;
+import java.io.*;
+import java.lang.annotation.*;
+import java.lang.reflect.*;
+import java.net.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.*;
+import java.util.jar.*;
+import java.util.stream.*;
+import com.oracle.jvmci.compiler.*;
+import com.oracle.jvmci.compiler.CompilerThreadFactory.DebugConfigAccess;
+import com.oracle.jvmci.compiler.Compiler;
+import com.oracle.jvmci.debug.*;
+import com.oracle.jvmci.debug.internal.*;
+import com.oracle.jvmci.meta.*;
+import com.oracle.jvmci.options.*;
+import com.oracle.jvmci.options.OptionUtils.OptionConsumer;
+import com.oracle.jvmci.options.OptionValue.OverrideScope;
+import com.oracle.jvmci.runtime.*;
+/**
+* This class implements compile-the-world functionality with JVMCI.
+*/
+public final class CompileTheWorld {
+/**
+* Magic token to trigger reading files from the boot class path.
+*/
+public static final String SUN_BOOT_CLASS_PATH = "sun.boot.class.path";
+public static class Options {
+// @formatter:off
+@Option(help = "Compile all methods in all classes on given class path", type = OptionType.Debug)
+public static final OptionValue<String> CompileTheWorldClasspath = new OptionValue<>(SUN_BOOT_CLASS_PATH);
+@Option(help = "Verbose CompileTheWorld operation", type = OptionType.Debug)
+public static final OptionValue<Boolean> CompileTheWorldVerbose = new OptionValue<>(true);
+@Option(help = "The number of CompileTheWorld iterations to perform", type = OptionType.Debug)
+public static final OptionValue<Integer> CompileTheWorldIterations = new OptionValue<>(1);
+@Option(help = "Only compile methods matching this filter", type = OptionType.Debug)
+public static final OptionValue<String> CompileTheWorldMethodFilter = new OptionValue<>(null);
+@Option(help = "Exclude methods matching this filter from compilation", type = OptionType.Debug)
+public static final OptionValue<String> CompileTheWorldExcludeMethodFilter = new OptionValue<>(null);
+@Option(help = "First class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug)
+public static final OptionValue<Integer> CompileTheWorldStartAt = new OptionValue<>(1);
+@Option(help = "Last class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug)
+public static final OptionValue<Integer> CompileTheWorldStopAt = new OptionValue<>(Integer.MAX_VALUE);
+@Option(help = "Option value overrides to use during compile the world. For example, " +
+"to disable inlining and partial escape analysis specify '-PartialEscapeAnalysis -Inline'. " +
+"The format for each option is the same as on the command line just without the '-G:' prefix.", type = OptionType.Debug)
+public static final OptionValue<String> CompileTheWorldConfig = new OptionValue<>(null);
+@Option(help = "Run CTW using as many threads as there are processors on the system", type = OptionType.Debug)
+public static final OptionValue<Boolean> CompileTheWorldMultiThreaded = new OptionValue<>(false);
+@Option(help = "Number of threads to use for multithreaded CTW.  Defaults to Runtime.getRuntime().availableProcessors()", type = OptionType.Debug)
+public static final OptionValue<Integer> CompileTheWorldThreads = new OptionValue<>(0);
+// @formatter:on
+/**
+* Overrides {@link #CompileTheWorldStartAt} and {@link #CompileTheWorldStopAt} from
+* {@code -XX} HotSpot options of the same name if the latter have non-default values.
+*/
+public static void overrideWithNativeOptions(HotSpotVMConfig c) {
+if (c.compileTheWorldStartAt != 1) {
+CompileTheWorldStartAt.setValue(c.compileTheWorldStartAt);
+}
+if (c.compileTheWorldStopAt != Integer.MAX_VALUE) {
+CompileTheWorldStopAt.setValue(c.compileTheWorldStopAt);
+}
+}
+}
+/**
+* A mechanism for overriding JVMCI options that affect compilation. A {@link Config} object
+* should be used in a try-with-resources statement to ensure overriding of options is scoped
+* properly. For example:
+*
+* <pre>
+*     Config config = ...;
+*     try (AutoCloseable s = config == null ? null : config.apply()) {
+*         // perform a JVMCI compilation
+*     }
+* </pre>
+*/
+@SuppressWarnings("serial")
+public static class Config extends HashMap<OptionValue<?>, Object> implements OptionConsumer {
+/**
+* Creates a {@link Config} object by parsing a set of space separated override options.
+*
+* @param options a space separated set of option value settings with each option setting in
+*            a format compatible with
+*            {@link OptionUtils#parseOption(String, OptionConsumer)}. Ignored if null.
+*/
+public Config(String options) {
+if (options != null) {
+for (String option : options.split("\\s+")) {
+OptionUtils.parseOption(option, this);
+}
+}
+}
+/**
+* Applies the overrides represented by this object. The overrides are in effect until
+* {@link OverrideScope#close()} is called on the returned object.
+*/
+OverrideScope apply() {
+return OptionValue.override(this);
+}
+public void set(OptionDescriptor desc, Object value) {
+put(desc.getOptionValue(), value);
+}
+}
+/** List of Zip/Jar files to compile (see {@link Options#CompileTheWorldClasspath}). */
+private final String files;
+/** Class index to start compilation at (see {@link Options#CompileTheWorldStartAt}). */
+private final int startAt;
+/** Class index to stop compilation at (see {@link Options#CompileTheWorldStopAt}). */
+private final int stopAt;
+/** Only compile methods matching one of the filters in this array if the array is non-null. */
+private final MethodFilter[] methodFilters;
+/** Exclude methods matching one of the filters in this array if the array is non-null. */
+private final MethodFilter[] excludeMethodFilters;
+// Counters
+private int classFileCounter = 0;
+private AtomicLong compiledMethodsCounter = new AtomicLong();
+private AtomicLong compileTime = new AtomicLong();
+private AtomicLong memoryUsed = new AtomicLong();
+private boolean verbose;
+private final Config config;
+/**
+* Signal that the threads should start compiling in multithreaded mode.
+*/
+private boolean running;
+private ThreadPoolExecutor threadPool;
+/**
+* Creates a compile-the-world instance.
+*
+* @param files {@link File#pathSeparator} separated list of Zip/Jar files to compile
+* @param startAt index of the class file to start compilation at
+* @param stopAt index of the class file to stop compilation at
+* @param methodFilters
+* @param excludeMethodFilters
+*/
+public CompileTheWorld(String files, Config config, int startAt, int stopAt, String methodFilters, String excludeMethodFilters, boolean verbose) {
+this.files = files;
+this.startAt = startAt;
+this.stopAt = stopAt;
+this.methodFilters = methodFilters == null || methodFilters.isEmpty() ? null : MethodFilter.parse(methodFilters);
+this.excludeMethodFilters = excludeMethodFilters == null || excludeMethodFilters.isEmpty() ? null : MethodFilter.parse(excludeMethodFilters);
+this.verbose = verbose;
+this.config = config;
+// We don't want the VM to exit when a method fails to compile...
+config.putIfAbsent(ExitVMOnException, false);
+// ...but we want to see exceptions.
+config.putIfAbsent(PrintBailout, true);
+config.putIfAbsent(PrintStackTraceOnException, true);
+config.putIfAbsent(HotSpotResolvedJavaMethodImpl.Options.UseProfilingInformation, false);
+}
+/**
+* Compiles all methods in all classes in the Zip/Jar archive files in
+* {@link Options#CompileTheWorldClasspath}. If {@link Options#CompileTheWorldClasspath}
+* contains the magic token {@link #SUN_BOOT_CLASS_PATH} passed up from HotSpot we take the
+* files from the boot class path.
+*/
+public void compile() throws Throwable {
+// By default only report statistics for the CTW threads themselves
+if (JVMCIDebugConfig.DebugValueThreadFilter.hasDefaultValue()) {
+JVMCIDebugConfig.DebugValueThreadFilter.setValue("^CompileTheWorld");
+}
+if (SUN_BOOT_CLASS_PATH.equals(files)) {
+final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator);
+String bcpFiles = "";
+for (int i = 0; i < entries.length; i++) {
+final String entry = entries[i];
+// We stop at rt.jar, unless it is the first boot class path entry.
+if (entry.endsWith("rt.jar") && (i > 0)) {
+break;
+}
+if (i > 0) {
+bcpFiles += File.pathSeparator;
+}
+bcpFiles += entry;
+}
+compile(bcpFiles);
+} else {
+compile(files);
+}
+}
+public void println() {
+println("");
+}
+public void println(String format, Object... args) {
+println(String.format(format, args));
+}
+public void println(String s) {
+if (verbose) {
+TTY.println(s);
+}
+}
+@SuppressWarnings("unused")
+private static void dummy() {
+}
+/**
+* Compiles all methods in all classes in the Zip/Jar files passed.
+*
+* @param fileList {@link File#pathSeparator} separated list of Zip/Jar files to compile
+* @throws IOException
+*/
+private void compile(String fileList) throws IOException {
+final String[] entries = fileList.split(File.pathSeparator);
+long start = System.currentTimeMillis();
+CompilerThreadFactory factory = new CompilerThreadFactory("CompileTheWorld", new DebugConfigAccess() {
+public JVMCIDebugConfig getDebugConfig() {
+if (Debug.isEnabled() && DebugScope.getConfig() == null) {
+return DebugEnvironment.initialize(System.out);
+}
+return null;
+}
+});
+try {
+// compile dummy method to get compiler initilized outside of the config debug override.
+HotSpotResolvedJavaMethod dummyMethod = (HotSpotResolvedJavaMethod) JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess().lookupJavaMethod(
+CompileTheWorld.class.getDeclaredMethod("dummy"));
+CompilationTask task = new CompilationTask(dummyMethod, Compiler.INVOCATION_ENTRY_BCI, 0L, dummyMethod.allocateCompileId(Compiler.INVOCATION_ENTRY_BCI), false);
+task.runCompilation();
+} catch (NoSuchMethodException | SecurityException e1) {
+e1.printStackTrace();
+}
+/*
+* Always use a thread pool, even for single threaded mode since it simplifies the use of
+* DebugValueThreadFilter to filter on the thread names.
+*/
+int threadCount = 1;
+if (Options.CompileTheWorldMultiThreaded.getValue()) {
+threadCount = Options.CompileTheWorldThreads.getValue();
+if (threadCount == 0) {
+threadCount = Runtime.getRuntime().availableProcessors();
+}
+} else {
+running = true;
+}
+threadPool = new ThreadPoolExecutor(threadCount, threadCount, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), factory);
+try (OverrideScope s = config.apply()) {
+for (int i = 0; i < entries.length; i++) {
+final String entry = entries[i];
+// For now we only compile all methods in all classes in zip/jar files.
+if (!entry.endsWith(".zip") && !entry.endsWith(".jar")) {
+println("CompileTheWorld : Skipped classes in " + entry);
+println();
+continue;
+}
+if (methodFilters == null || methodFilters.length == 0) {
+println("CompileTheWorld : Compiling all classes in " + entry);
+} else {
+String include = Arrays.asList(methodFilters).stream().map(MethodFilter::toString).collect(Collectors.joining(", "));
+println("CompileTheWorld : Compiling all methods in " + entry + " matching one of the following filters: " + include);
+}
+if (excludeMethodFilters != null && excludeMethodFilters.length > 0) {
+String exclude = Arrays.asList(excludeMethodFilters).stream().map(MethodFilter::toString).collect(Collectors.joining(", "));
+println("CompileTheWorld : Excluding all methods matching one of the following filters: " + exclude);
+}
+println();
+URL url = new URL("jar", "", "file:" + entry + "!/");
+ClassLoader loader = new URLClassLoader(new URL[]{url});
+JarFile jarFile = new JarFile(entry);
+Enumeration<JarEntry> e = jarFile.entries();
+while (e.hasMoreElements()) {
+JarEntry je = e.nextElement();
+if (je.isDirectory() || !je.getName().endsWith(".class")) {
+continue;
+}
+// Are we done?
+if (classFileCounter >= stopAt) {
+break;
+}
+String className = je.getName().substring(0, je.getName().length() - ".class".length());
+String dottedClassName = className.replace('/', '.');
+classFileCounter++;
+if (methodFilters != null && !MethodFilter.matchesClassName(methodFilters, dottedClassName)) {
+continue;
+}
+if (excludeMethodFilters != null && MethodFilter.matchesClassName(excludeMethodFilters, dottedClassName)) {
+continue;
+}
+if (dottedClassName.startsWith("jdk.management.") || dottedClassName.startsWith("jdk.internal.cmm.*")) {
+continue;
+}
+try {
+// Load and initialize class
+Class<?> javaClass = Class.forName(dottedClassName, true, loader);
+// Pre-load all classes in the constant pool.
+try {
+HotSpotResolvedObjectType objectType = HotSpotResolvedObjectTypeImpl.fromObjectClass(javaClass);
+ConstantPool constantPool = objectType.constantPool();
+for (int cpi = 1; cpi < constantPool.length(); cpi++) {
+constantPool.loadReferencedType(cpi, HotSpotConstantPool.Bytecodes.LDC);
+}
+} catch (Throwable t) {
+// If something went wrong during pre-loading we just ignore it.
+println("Preloading failed for (%d) %s: %s", classFileCounter, className, t);
+}
+// Are we compiling this class?
+MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess();
+if (classFileCounter >= startAt) {
+println("CompileTheWorld (%d) : %s", classFileCounter, className);
+// Compile each constructor/method in the class.
+for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) {
+HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(constructor);
+if (canBeCompiled(javaMethod, constructor.getModifiers())) {
+compileMethod(javaMethod);
+}
+}
+for (Method method : javaClass.getDeclaredMethods()) {
+HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method);
+if (canBeCompiled(javaMethod, method.getModifiers())) {
+compileMethod(javaMethod);
+}
+}
+}
+} catch (Throwable t) {
+println("CompileTheWorld (%d) : Skipping %s %s", classFileCounter, className, t.toString());
+t.printStackTrace();
+}
+}
+jarFile.close();
+}
+}
+if (!running) {
+startThreads();
+}
+int wakeups = 0;
+while (threadPool.getCompletedTaskCount() != threadPool.getTaskCount()) {
+if (wakeups % 15 == 0) {
+TTY.println("CompileTheWorld : Waiting for " + (threadPool.getTaskCount() - threadPool.getCompletedTaskCount()) + " compiles");
+}
+try {
+threadPool.awaitTermination(1, TimeUnit.SECONDS);
+wakeups++;
+} catch (InterruptedException e) {
+}
+}
+threadPool = null;
+long elapsedTime = System.currentTimeMillis() - start;
+println();
+if (Options.CompileTheWorldMultiThreaded.getValue()) {
+TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms elapsed, %d ms compile time, %d bytes of memory used)", classFileCounter, compiledMethodsCounter.get(), elapsedTime,
+compileTime.get(), memoryUsed.get());
+} else {
+TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms, %d bytes of memory used)", classFileCounter, compiledMethodsCounter.get(), compileTime.get(), memoryUsed.get());
+}
+}
+private synchronized void startThreads() {
+running = true;
+// Wake up any waiting threads
+notifyAll();
+}
+private synchronized void waitToRun() {
+while (!running) {
+try {
+wait();
+} catch (InterruptedException e) {
+}
+}
+}
+private void compileMethod(HotSpotResolvedJavaMethod method) throws InterruptedException, ExecutionException {
+if (methodFilters != null && !MethodFilter.matches(methodFilters, method)) {
+return;
+}
+if (excludeMethodFilters != null && MethodFilter.matches(excludeMethodFilters, method)) {
+return;
+}
+Future<?> task = threadPool.submit(new Runnable() {
+public void run() {
+waitToRun();
+try (OverrideScope s = config.apply()) {
+compileMethod(method, classFileCounter);
+}
+}
+});
+if (threadPool.getCorePoolSize() == 1) {
+task.get();
+}
+}
+/**
+* Compiles a method and gathers some statistics.
+*/
+private void compileMethod(HotSpotResolvedJavaMethod method, int counter) {
+try {
+long start = System.currentTimeMillis();
+long allocatedAtStart = getCurrentThreadAllocatedBytes();
+CompilationTask task = new CompilationTask(method, Compiler.INVOCATION_ENTRY_BCI, 0L, method.allocateCompileId(Compiler.INVOCATION_ENTRY_BCI), false);
+task.runCompilation();
+memoryUsed.getAndAdd(getCurrentThreadAllocatedBytes() - allocatedAtStart);
+compileTime.getAndAdd(System.currentTimeMillis() - start);
+compiledMethodsCounter.incrementAndGet();
+} catch (Throwable t) {
+// Catch everything and print a message
+println("CompileTheWorld (%d) : Error compiling method: %s", counter, method.format("%H.%n(%p):%r"));
+t.printStackTrace(TTY.cachedOut);
+}
+}
+/**
+* Determines if a method should be compiled (Cf. CompilationPolicy::can_be_compiled).
+*
+* @return true if it can be compiled, false otherwise
+*/
+private static boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) {
+if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) {
+return false;
+}
+HotSpotVMConfig c = HotSpotJVMCIRuntime.runtime().getConfig();
+if (c.dontCompileHugeMethods && javaMethod.getCodeSize() > c.hugeMethodLimit) {
+return false;
+}
+// Allow use of -XX:CompileCommand=dontinline to exclude problematic methods
+if (!javaMethod.canBeInlined()) {
+return false;
+}
+// Skip @Snippets for now
+for (Annotation annotation : javaMethod.getAnnotations()) {
+if (annotation.annotationType().getName().equals("com.oracle.graal.replacements.Snippet")) {
+return false;
+}
+}
+return true;
+}
+}

Mercurial > hg > truffle

comparison jvmci/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/CompileTheWorld.java @ 21798:395ac43a8578