Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java @ 21616:4c146c9367b6
recast VM compilation request via JVMCI to be a HotSpot JVMCI event, removing the last direct reference to a Graal class in the VM (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Sun, 31 May 2015 23:57:31 +0200 |
parents | 47bebae7454f |
children | 9cc3571ef51d |
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/* * Copyright (c) 2012, 2015, 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.hotspot; import static com.oracle.graal.compiler.GraalCompiler.*; import static com.oracle.graal.compiler.common.GraalOptions.*; import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; import static com.oracle.graal.hotspot.meta.HotSpotSuitesProvider.*; import static com.oracle.graal.nodes.StructuredGraph.*; import static com.oracle.jvmci.code.CallingConvention.Type.*; import static com.oracle.jvmci.code.CodeUtil.*; import static com.oracle.jvmci.common.UnsafeAccess.*; import static com.oracle.jvmci.debug.Debug.*; import java.lang.management.*; import java.util.concurrent.*; import com.oracle.graal.api.runtime.*; import com.oracle.graal.hotspot.events.*; import com.oracle.graal.hotspot.events.EventProvider.CompilationEvent; import com.oracle.graal.hotspot.events.EventProvider.CompilerFailureEvent; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.phases.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.phases.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions; import com.oracle.graal.phases.*; import com.oracle.graal.phases.OptimisticOptimizations.Optimization; import com.oracle.graal.phases.tiers.*; import com.oracle.graal.printer.*; import com.oracle.jvmci.code.*; import com.oracle.jvmci.code.CallingConvention.Type; import com.oracle.jvmci.debug.*; import com.oracle.jvmci.debug.Debug.Scope; import com.oracle.jvmci.debug.internal.*; import com.oracle.jvmci.hotspot.*; import com.oracle.jvmci.meta.*; //JaCoCo Exclude public class CompilationTask { private static final DebugMetric BAILOUTS = Debug.metric("Bailouts"); private final HotSpotBackend backend; private final HotSpotResolvedJavaMethod method; private final int entryBCI; private final int id; /** * Specifies whether the compilation result is installed as the * {@linkplain HotSpotNmethod#isDefault() default} nmethod for the compiled method. */ private final boolean installAsDefault; private StructuredGraph graph; /** * A {@link com.sun.management.ThreadMXBean} to be able to query some information about the * current compiler thread, e.g. total allocated bytes. */ private static final com.sun.management.ThreadMXBean threadMXBean = (com.sun.management.ThreadMXBean) ManagementFactory.getThreadMXBean(); /** * The address of the GraalEnv associated with this compilation or 0L if no such object exists. */ private final long graalEnv; public CompilationTask(HotSpotBackend backend, HotSpotResolvedJavaMethod method, int entryBCI, long graalEnv, int id, boolean installAsDefault) { this.backend = backend; this.method = method; this.entryBCI = entryBCI; this.id = id; this.graalEnv = graalEnv; this.installAsDefault = installAsDefault; } public ResolvedJavaMethod getMethod() { return method; } /** * Returns the compilation id of this task. * * @return compile id */ public int getId() { return id; } public int getEntryBCI() { return entryBCI; } /** * Time spent in compilation. */ private static final DebugTimer CompilationTime = Debug.timer("CompilationTime"); /** * Meters the {@linkplain StructuredGraph#getBytecodeSize() bytecodes} compiled. */ private static final DebugMetric CompiledBytecodes = Debug.metric("CompiledBytecodes"); public static final DebugTimer CodeInstallationTime = Debug.timer("CodeInstallation"); protected Suites getSuites(HotSpotProviders providers) { return providers.getSuites().getDefaultSuites(); } protected LIRSuites getLIRSuites(HotSpotProviders providers) { return providers.getSuites().getDefaultLIRSuites(); } protected PhaseSuite<HighTierContext> getGraphBuilderSuite(HotSpotProviders providers) { PhaseSuite<HighTierContext> suite = withSimpleDebugInfoIfRequested(providers.getSuites().getDefaultGraphBuilderSuite()); boolean osrCompilation = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; if (osrCompilation) { suite = suite.copy(); suite.appendPhase(new OnStackReplacementPhase()); } return suite; } protected OptimisticOptimizations getOptimisticOpts(ProfilingInfo profilingInfo) { return new OptimisticOptimizations(profilingInfo); } protected ProfilingInfo getProfilingInfo() { boolean osrCompilation = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; return method.getCompilationProfilingInfo(osrCompilation); } public void runCompilation() { HotSpotVMConfig config = backend.getRuntime().getConfig(); final long threadId = Thread.currentThread().getId(); long startCompilationTime = System.nanoTime(); HotSpotInstalledCode installedCode = null; final boolean isOSR = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; // Log a compilation event. EventProvider eventProvider = Graal.getRequiredCapability(EventProvider.class); CompilationEvent compilationEvent = eventProvider.newCompilationEvent(); // If there is already compiled code for this method on our level we simply return. // Graal compiles are always at the highest compile level, even in non-tiered mode so we // only need to check for that value. if (method.hasCodeAtLevel(entryBCI, config.compilationLevelFullOptimization)) { return; } try (DebugCloseable a = CompilationTime.start()) { CompilationStatistics stats = CompilationStatistics.create(method, isOSR); final boolean printCompilation = PrintCompilation.getValue() && !TTY.isSuppressed(); if (printCompilation) { TTY.println(getMethodDescription() + "..."); } CompilationResult result = null; TTY.Filter filter = new TTY.Filter(PrintFilter.getValue(), method); final long start = System.currentTimeMillis(); final long allocatedBytesBefore = threadMXBean.getThreadAllocatedBytes(threadId); try (Scope s = Debug.scope("Compiling", new DebugDumpScope(String.valueOf(id), true))) { // Begin the compilation event. compilationEvent.begin(); HotSpotProviders providers = backend.getProviders(); graph = new StructuredGraph(method, entryBCI, AllowAssumptions.from(OptAssumptions.getValue())); if (shouldDisableMethodInliningRecording(config)) { graph.disableInlinedMethodRecording(); } CallingConvention cc = getCallingConvention(providers.getCodeCache(), Type.JavaCallee, graph.method(), false); if (graph.getEntryBCI() != StructuredGraph.INVOCATION_ENTRY_BCI) { // for OSR, only a pointer is passed to the method. JavaType[] parameterTypes = new JavaType[]{providers.getMetaAccess().lookupJavaType(long.class)}; CallingConvention tmp = providers.getCodeCache().getRegisterConfig().getCallingConvention(JavaCallee, providers.getMetaAccess().lookupJavaType(void.class), parameterTypes, backend.getTarget(), false); cc = new CallingConvention(cc.getStackSize(), cc.getReturn(), tmp.getArgument(0)); } Suites suites = getSuites(providers); LIRSuites lirSuites = getLIRSuites(providers); ProfilingInfo profilingInfo = getProfilingInfo(); OptimisticOptimizations optimisticOpts = getOptimisticOpts(profilingInfo); if (isOSR) { // In OSR compiles, we cannot rely on never executed code profiles, because // all code after the OSR loop is never executed. optimisticOpts.remove(Optimization.RemoveNeverExecutedCode); } result = compileGraph(graph, cc, method, providers, backend, backend.getTarget(), getGraphBuilderSuite(providers), optimisticOpts, profilingInfo, method.getSpeculationLog(), suites, lirSuites, new CompilationResult(), CompilationResultBuilderFactory.Default); result.setId(getId()); result.setEntryBCI(entryBCI); } catch (Throwable e) { throw Debug.handle(e); } finally { // End the compilation event. compilationEvent.end(); filter.remove(); final boolean printAfterCompilation = PrintAfterCompilation.getValue() && !TTY.isSuppressed(); if (printAfterCompilation || printCompilation) { final long stop = System.currentTimeMillis(); final int targetCodeSize = result != null ? result.getTargetCodeSize() : -1; final long allocatedBytesAfter = threadMXBean.getThreadAllocatedBytes(threadId); final long allocatedBytes = (allocatedBytesAfter - allocatedBytesBefore) / 1024; if (printAfterCompilation) { TTY.println(getMethodDescription() + String.format(" | %4dms %5dB %5dkB", stop - start, targetCodeSize, allocatedBytes)); } else if (printCompilation) { TTY.println(String.format("%-6d Graal %-70s %-45s %-50s | %4dms %5dB %5dkB", id, "", "", "", stop - start, targetCodeSize, allocatedBytes)); } } } try (DebugCloseable b = CodeInstallationTime.start()) { installedCode = (HotSpotInstalledCode) installMethod(result); if (!isOSR) { ProfilingInfo profile = method.getProfilingInfo(); profile.setCompilerIRSize(StructuredGraph.class, graph.getNodeCount()); } } stats.finish(method, installedCode); } catch (BailoutException bailout) { BAILOUTS.increment(); if (ExitVMOnBailout.getValue()) { TTY.cachedOut.println(method.format("Bailout in %H.%n(%p)")); bailout.printStackTrace(TTY.cachedOut); System.exit(-1); } else if (PrintBailout.getValue()) { TTY.cachedOut.println(method.format("Bailout in %H.%n(%p)")); bailout.printStackTrace(TTY.cachedOut); } } catch (Throwable t) { if (PrintStackTraceOnException.getValue() || ExitVMOnException.getValue()) { t.printStackTrace(TTY.cachedOut); } // Log a failure event. CompilerFailureEvent event = eventProvider.newCompilerFailureEvent(); if (event.shouldWrite()) { event.setCompileId(getId()); event.setMessage(t.getMessage()); event.commit(); } if (ExitVMOnException.getValue()) { System.exit(-1); } } finally { final int compiledBytecodes = graph.getBytecodeSize(); CompiledBytecodes.add(compiledBytecodes); // Log a compilation event. if (compilationEvent.shouldWrite() && installedCode != null) { compilationEvent.setMethod(method.format("%H.%n(%p)")); compilationEvent.setCompileId(getId()); compilationEvent.setCompileLevel(config.compilationLevelFullOptimization); compilationEvent.setSucceeded(true); compilationEvent.setIsOsr(isOSR); compilationEvent.setCodeSize(installedCode.getSize()); compilationEvent.setInlinedBytes(compiledBytecodes); compilationEvent.commit(); } if (graalEnv != 0) { long ctask = unsafe.getAddress(graalEnv + config.jvmciEnvTaskOffset); assert ctask != 0L; unsafe.putInt(ctask + config.compileTaskNumInlinedBytecodesOffset, compiledBytecodes); } long compilationTime = System.nanoTime() - startCompilationTime; if ((config.ciTime || config.ciTimeEach) && installedCode != null) { long timeUnitsPerSecond = TimeUnit.NANOSECONDS.convert(1, TimeUnit.SECONDS); CompilerToVM c2vm = backend.getRuntime().getCompilerToVM(); c2vm.notifyCompilationStatistics(id, method, entryBCI != INVOCATION_ENTRY_BCI, compiledBytecodes, compilationTime, timeUnitsPerSecond, installedCode); } } } /** * Determines whether to {@linkplain StructuredGraph#disableInlinedMethodRecording() disable} * method inlining recording for the method being compiled. * * @see StructuredGraph#getBytecodeSize() */ private boolean shouldDisableMethodInliningRecording(HotSpotVMConfig config) { if (config.ciTime || config.ciTimeEach || CompiledBytecodes.isEnabled()) { return false; } if (graalEnv == 0 || unsafe.getByte(graalEnv + config.jvmciEnvJvmtiCanHotswapOrPostBreakpointOffset) != 0) { return false; } return true; } private String getMethodDescription() { return String.format("%-6d Graal %-70s %-45s %-50s %s", id, method.getDeclaringClass().getName(), method.getName(), method.getSignature().toMethodDescriptor(), entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "(OSR@" + entryBCI + ") "); } private InstalledCode installMethod(final CompilationResult compResult) { final HotSpotCodeCacheProvider codeCache = backend.getProviders().getCodeCache(); InstalledCode installedCode = null; try (Scope s = Debug.scope("CodeInstall", new DebugDumpScope(String.valueOf(id), true), codeCache, method)) { installedCode = codeCache.installMethod(method, compResult, graalEnv, installAsDefault); } catch (Throwable e) { throw Debug.handle(e); } return installedCode; } @Override public String toString() { return "Compilation[id=" + id + ", " + method.format("%H.%n(%p)") + (entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "@" + entryBCI) + "]"; } /** * Schedules compilation of a metaspace Method. * * Called from the VM. * * @param metaspaceMethod * @param entryBCI * @param jvmciEnv address of native GraalEnv object * @param id CompileTask::_compile_id */ static void compileMetaspaceMethod(long metaspaceMethod, int entryBCI, long jvmciEnv, int id) { // Ensure a Graal runtime is initialized prior to Debug being initialized as the former // may include processing command line options used by the latter. Graal.getRuntime(); // Ensure a debug configuration for this thread is initialized if (Debug.isEnabled() && DebugScope.getConfig() == null) { DebugEnvironment.initialize(TTY.cachedOut); } HotSpotResolvedJavaMethod method = HotSpotResolvedJavaMethodImpl.fromMetaspace(metaspaceMethod); compileMethod(method, entryBCI, jvmciEnv, id); } /** * Compiles a method to machine code. */ static void compileMethod(HotSpotResolvedJavaMethod method, int entryBCI, long graalEnv, int id) { HotSpotBackend backend = runtime().getHostBackend(); CompilationTask task = new CompilationTask(backend, method, entryBCI, graalEnv, id, true); try (DebugConfigScope dcs = setConfig(new TopLevelDebugConfig())) { task.runCompilation(); } return; } }