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view graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime.java @ 18486:b9a8b2885283
Truffle/Instrumentation: CHANGELOG for recent updates.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Sun, 23 Nov 2014 16:09:26 -0800 |
parents | 1f3ab088d958 |
children | afa70d3e8159 |
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/* * 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.graal.truffle.hotspot; import static com.oracle.graal.api.code.CodeUtil.*; import static com.oracle.graal.compiler.GraalCompiler.*; import static com.oracle.graal.graph.util.CollectionsAccess.*; import static com.oracle.graal.hotspot.meta.HotSpotSuitesProvider.*; import static com.oracle.graal.truffle.TruffleCompilerOptions.*; import java.util.*; import java.util.concurrent.*; import java.util.stream.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.CallingConvention.Type; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.runtime.*; import com.oracle.graal.compiler.*; import com.oracle.graal.compiler.target.*; import com.oracle.graal.debug.*; import com.oracle.graal.debug.Debug.Scope; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.nodes.*; import com.oracle.graal.java.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.phases.*; import com.oracle.graal.phases.common.inlining.*; import com.oracle.graal.phases.tiers.*; import com.oracle.graal.phases.util.*; import com.oracle.graal.printer.*; import com.oracle.graal.runtime.*; import com.oracle.graal.truffle.*; import com.oracle.graal.word.*; import com.oracle.truffle.api.*; import com.oracle.truffle.api.nodes.*; /** * Implementation of the Truffle runtime when running on top of Graal. */ public final class HotSpotTruffleRuntime extends GraalTruffleRuntime { public static HotSpotTruffleRuntime makeInstance() { return new HotSpotTruffleRuntime(); } private TruffleCompilerImpl truffleCompiler; private Replacements truffleReplacements; private Map<OptimizedCallTarget, Future<?>> compilations = newIdentityMap(); private final ThreadPoolExecutor compileQueue; private final Map<RootCallTarget, Void> callTargets = Collections.synchronizedMap(new WeakHashMap<RootCallTarget, Void>()); private HotSpotTruffleRuntime() { installOptimizedCallTargetCallMethod(); installOptimizedCallTargetCallDirect(); lookupCallMethods(getGraalProviders().getMetaAccess()); installDefaultListeners(); // Create compilation queue. CompilerThreadFactory factory = new CompilerThreadFactory("TruffleCompilerThread", new CompilerThreadFactory.DebugConfigAccess() { public GraalDebugConfig getDebugConfig() { if (Debug.isEnabled()) { GraalDebugConfig debugConfig = DebugEnvironment.initialize(TTY.out().out()); debugConfig.dumpHandlers().add(new TruffleTreeDumpHandler()); return debugConfig; } else { return null; } } }); compileQueue = new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), factory); } private static void installOptimizedCallTargetCallDirect() { if (TruffleCompilerOptions.TruffleFunctionInlining.getValue()) { ((HotSpotResolvedJavaMethod) getGraalProviders().getMetaAccess().lookupJavaMethod(OptimizedCallTarget.getCallDirectMethod())).setNotInlineable(); } } @Override public String getName() { return "Graal Truffle Runtime"; } @Override public RootCallTarget createCallTarget(RootNode rootNode) { return createCallTargetImpl(null, rootNode); } private RootCallTarget createCallTargetImpl(OptimizedCallTarget source, RootNode rootNode) { CompilationPolicy compilationPolicy; if (acceptForCompilation(rootNode)) { compilationPolicy = new CounterAndTimeBasedCompilationPolicy(); } else { compilationPolicy = new InterpreterOnlyCompilationPolicy(); } OptimizedCallTarget target = new OptimizedCallTarget(source, rootNode, this, compilationPolicy, new HotSpotSpeculationLog()); callTargets.put(target, null); return target; } @Override public RootCallTarget createClonedCallTarget(OptimizedCallTarget source, RootNode root) { return createCallTargetImpl(source, root); } @Override public Replacements getReplacements() { if (truffleReplacements == null) { truffleReplacements = HotSpotTruffleReplacements.makeInstance(); } return truffleReplacements; } public static void installOptimizedCallTargetCallMethod() { Providers providers = getGraalProviders(); MetaAccessProvider metaAccess = providers.getMetaAccess(); ResolvedJavaType type = metaAccess.lookupJavaType(OptimizedCallTarget.class); for (ResolvedJavaMethod method : type.getDeclaredMethods()) { if (method.getAnnotation(TruffleCallBoundary.class) != null) { CompilationResult compResult = compileMethod(method); CodeCacheProvider codeCache = providers.getCodeCache(); try (Scope s = Debug.scope("CodeInstall", codeCache, method)) { codeCache.setDefaultMethod(method, compResult); } catch (Throwable e) { throw Debug.handle(e); } } } } private static CompilationResultBuilderFactory getOptimizedCallTargetInstrumentationFactory(String arch, ResolvedJavaMethod method) { for (OptimizedCallTargetInstrumentationFactory factory : Services.load(OptimizedCallTargetInstrumentationFactory.class)) { if (factory.getArchitecture().equals(arch)) { factory.setInstrumentedMethod(method); return factory; } } // No specialization of OptimizedCallTarget on this platform. return CompilationResultBuilderFactory.Default; } private static CompilationResult compileMethod(ResolvedJavaMethod javaMethod) { Providers providers = getGraalProviders(); MetaAccessProvider metaAccess = providers.getMetaAccess(); SuitesProvider suitesProvider = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getSuites(); Suites suites = suitesProvider.createSuites(); removeInliningPhase(suites); StructuredGraph graph = new StructuredGraph(javaMethod); new GraphBuilderPhase.Instance(metaAccess, GraphBuilderConfiguration.getEagerDefault(), OptimisticOptimizations.ALL).apply(graph); PhaseSuite<HighTierContext> graphBuilderSuite = getGraphBuilderSuite(suitesProvider); CallingConvention cc = getCallingConvention(providers.getCodeCache(), Type.JavaCallee, graph.method(), false); Backend backend = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend(); CompilationResultBuilderFactory factory = getOptimizedCallTargetInstrumentationFactory(backend.getTarget().arch.getName(), javaMethod); return compileGraph(graph, null, cc, javaMethod, providers, backend, providers.getCodeCache().getTarget(), null, graphBuilderSuite, OptimisticOptimizations.ALL, getProfilingInfo(graph), null, suites, new CompilationResult(), factory); } private static Providers getGraalProviders() { RuntimeProvider runtimeProvider = Graal.getRequiredCapability(RuntimeProvider.class); return runtimeProvider.getHostBackend().getProviders(); } private static PhaseSuite<HighTierContext> getGraphBuilderSuite(SuitesProvider suitesProvider) { PhaseSuite<HighTierContext> graphBuilderSuite = suitesProvider.getDefaultGraphBuilderSuite(); return withSimpleDebugInfoIfRequested(graphBuilderSuite); } private static void removeInliningPhase(Suites suites) { ListIterator<BasePhase<? super HighTierContext>> inliningPhase = suites.getHighTier().findPhase(InliningPhase.class); if (inliningPhase != null) { inliningPhase.remove(); } } @Override public void compile(OptimizedCallTarget optimizedCallTarget, boolean mayBeAsynchronous) { if (truffleCompiler == null) { truffleCompiler = new TruffleCompilerImpl(); } Runnable r = new Runnable() { @Override public void run() { try (Scope s = Debug.scope("Truffle", new TruffleDebugJavaMethod(optimizedCallTarget))) { truffleCompiler.compileMethod(optimizedCallTarget); optimizedCallTarget.notifyCompilationFinished(); } catch (Throwable e) { optimizedCallTarget.notifyCompilationFailed(e); } } }; Future<?> future = compileQueue.submit(r); this.compilations.put(optimizedCallTarget, future); getCompilationNotify().notifyCompilationQueued(optimizedCallTarget); if (!mayBeAsynchronous) { try { future.get(); } catch (ExecutionException e) { if (TruffleCompilationExceptionsAreThrown.getValue() && !(e.getCause() instanceof BailoutException) && !((BailoutException) e.getCause()).isPermanent()) { throw new RuntimeException(e.getCause()); } else { // silently ignored } } catch (InterruptedException e) { // silently ignored } } } @Override public boolean cancelInstalledTask(OptimizedCallTarget optimizedCallTarget, Object source, CharSequence reason) { Future<?> codeTask = this.compilations.get(optimizedCallTarget); if (codeTask != null && isCompiling(optimizedCallTarget)) { this.compilations.remove(optimizedCallTarget); boolean result = codeTask.cancel(true); getCompilationNotify().notifyCompilationDequeued(optimizedCallTarget, source, reason); return result; } return false; } @Override public void waitForCompilation(OptimizedCallTarget optimizedCallTarget, long timeout) throws ExecutionException, TimeoutException { Future<?> codeTask = this.compilations.get(optimizedCallTarget); if (codeTask != null && isCompiling(optimizedCallTarget)) { try { codeTask.get(timeout, TimeUnit.MILLISECONDS); } catch (InterruptedException e) { // ignore interrupted } } } @Override public Collection<OptimizedCallTarget> getQueuedCallTargets() { return compilations.keySet().stream().filter(e -> !compilations.get(e).isDone()).collect(Collectors.toList()); } @Override public boolean isCompiling(OptimizedCallTarget optimizedCallTarget) { Future<?> codeTask = this.compilations.get(optimizedCallTarget); if (codeTask != null) { if (codeTask.isCancelled() || codeTask.isDone()) { this.compilations.remove(optimizedCallTarget); return false; } return true; } return false; } @Override public void invalidateInstalledCode(OptimizedCallTarget optimizedCallTarget, Object source, CharSequence reason) { HotSpotGraalRuntime.runtime().getCompilerToVM().invalidateInstalledCode(optimizedCallTarget); getCompilationNotify().notifyCompilationInvalidated(optimizedCallTarget, source, reason); } @Override public void reinstallStubs() { installOptimizedCallTargetCallMethod(); } @Override public Collection<RootCallTarget> getCallTargets() { return Collections.unmodifiableSet(callTargets.keySet()); } @Override public void notifyTransferToInterpreter() { CompilerAsserts.neverPartOfCompilation(); if (TraceTruffleTransferToInterpreter.getValue()) { Word thread = CurrentJavaThreadNode.get(HotSpotGraalRuntime.runtime().getTarget().wordKind); boolean deoptimized = thread.readByte(HotSpotGraalRuntime.runtime().getConfig().pendingTransferToInterpreterOffset) != 0; if (deoptimized) { thread.writeByte(HotSpotGraalRuntime.runtime().getConfig().pendingTransferToInterpreterOffset, (byte) 0); logTransferToInterpreter(); } } } private static void logTransferToInterpreter() { final int skip = 2; final int limit = TraceTruffleStackTraceLimit.getValue(); StackTraceElement[] stackTrace = new Throwable().getStackTrace(); String suffix = stackTrace.length > skip + limit ? "\n ..." : ""; TTY.out().out().println(Arrays.stream(stackTrace).skip(skip).limit(limit).map(StackTraceElement::toString).collect(Collectors.joining("\n ", "", suffix))); } }