Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java @ 17153:646ddd52d79a
only generate extra debug info if on HotSpot *and* compiling for HotSpot execution
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 18 Sep 2014 23:19:03 +0200 |
parents | 583bf03b3e1a |
children | 58f45b63b802 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.graal.hotspot; |
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24 |
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25 import static com.oracle.graal.api.code.CallingConvention.Type.*; |
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26 import static com.oracle.graal.api.code.CodeUtil.*; |
13239 | 27 import static com.oracle.graal.compiler.GraalCompiler.*; |
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28 import static com.oracle.graal.compiler.common.GraalOptions.*; |
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29 import static com.oracle.graal.compiler.common.UnsafeAccess.*; |
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30 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; |
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31 import static com.oracle.graal.hotspot.InitTimer.*; |
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32 import static com.oracle.graal.hotspot.meta.HotSpotSuitesProvider.*; |
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33 import static com.oracle.graal.nodes.StructuredGraph.*; |
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remove NodesToDoubles, refactoring of node probability and inlining relevance computation
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34 import static com.oracle.graal.phases.common.inlining.InliningUtil.*; |
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compile the intrinsic graph for a method if the method is scheduled for compilation (in addition to intrinsifiying it when it is called)
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35 |
14753 | 36 import java.lang.management.*; |
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37 import java.util.*; |
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38 import java.util.concurrent.*; |
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39 |
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40 import com.oracle.graal.api.code.*; |
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41 import com.oracle.graal.api.code.CallingConvention.Type; |
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42 import com.oracle.graal.api.meta.*; |
15663 | 43 import com.oracle.graal.api.runtime.*; |
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44 import com.oracle.graal.baseline.*; |
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45 import com.oracle.graal.compiler.common.*; |
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46 import com.oracle.graal.debug.*; |
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47 import com.oracle.graal.debug.Debug.Scope; |
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48 import com.oracle.graal.debug.internal.*; |
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49 import com.oracle.graal.hotspot.bridge.*; |
15663 | 50 import com.oracle.graal.hotspot.events.*; |
51 import com.oracle.graal.hotspot.events.EventProvider.CompilationEvent; | |
52 import com.oracle.graal.hotspot.events.EventProvider.CompilerFailureEvent; | |
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53 import com.oracle.graal.hotspot.meta.*; |
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create profiling info, phase plan and optimistic opts when running a CompilationTask, not when creating it (GRAAL-640)
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54 import com.oracle.graal.hotspot.phases.*; |
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55 import com.oracle.graal.java.*; |
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56 import com.oracle.graal.lir.asm.*; |
5138 | 57 import com.oracle.graal.nodes.*; |
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58 import com.oracle.graal.nodes.spi.*; |
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59 import com.oracle.graal.phases.*; |
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60 import com.oracle.graal.phases.tiers.*; |
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61 import com.oracle.graal.printer.*; |
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62 |
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63 //JaCoCo Exclude |
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64 |
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65 public class CompilationTask { |
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66 |
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67 static { |
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68 try (InitTimer t = timer("initialize CompilationTask")) { |
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69 // Must be first to ensure any options accessed by the rest of the class |
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70 // initializer are initialized from the command line. |
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71 HotSpotOptions.initialize(); |
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72 } |
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73 } |
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74 |
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75 private static final DebugMetric BAILOUTS = Debug.metric("Bailouts"); |
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76 |
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77 private final HotSpotBackend backend; |
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78 private final HotSpotResolvedJavaMethod method; |
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79 private final int entryBCI; |
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80 private final int id; |
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81 |
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82 private StructuredGraph graph; |
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83 |
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84 /** |
14753 | 85 * A {@link com.sun.management.ThreadMXBean} to be able to query some information about the |
86 * current compiler thread, e.g. total allocated bytes. | |
87 */ | |
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88 private static final com.sun.management.ThreadMXBean threadMXBean = (com.sun.management.ThreadMXBean) ManagementFactory.getThreadMXBean(); |
14753 | 89 |
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90 /** |
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91 * The address of the native CompileTask associated with this compilation or 0L if no such |
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92 * association exists. |
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93 */ |
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94 private final long ctask; |
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95 |
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96 public CompilationTask(HotSpotBackend backend, HotSpotResolvedJavaMethod method, int entryBCI, long ctask, int id) { |
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97 this.backend = backend; |
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98 this.method = method; |
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99 this.entryBCI = entryBCI; |
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100 this.id = id; |
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101 this.ctask = ctask; |
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102 } |
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103 |
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104 public ResolvedJavaMethod getMethod() { |
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105 return method; |
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106 } |
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107 |
15663 | 108 /** |
109 * Returns the compilation id of this task. | |
110 * | |
111 * @return compile id | |
112 */ | |
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113 public int getId() { |
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114 return id; |
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115 } |
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116 |
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117 public int getEntryBCI() { |
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118 return entryBCI; |
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119 } |
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120 |
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121 /** |
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122 * Time spent in compilation. |
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123 */ |
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124 public static final DebugTimer CompilationTime = Debug.timer("CompilationTime"); |
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125 |
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126 public static final DebugTimer CodeInstallationTime = Debug.timer("CodeInstallation"); |
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127 |
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128 protected Suites getSuites(HotSpotProviders providers) { |
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129 return providers.getSuites().getDefaultSuites(); |
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130 } |
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131 |
13585 | 132 protected PhaseSuite<HighTierContext> getGraphBuilderSuite(HotSpotProviders providers) { |
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133 PhaseSuite<HighTierContext> suite = withSimpleDebugInfoIfRequested(providers.getSuites().getDefaultGraphBuilderSuite()); |
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134 |
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135 boolean osrCompilation = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; |
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136 if (osrCompilation) { |
13585 | 137 suite = suite.copy(); |
138 suite.appendPhase(new OnStackReplacementPhase()); | |
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139 } |
13585 | 140 return suite; |
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141 } |
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142 |
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143 protected OptimisticOptimizations getOptimisticOpts(ProfilingInfo profilingInfo) { |
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144 return new OptimisticOptimizations(profilingInfo); |
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145 } |
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146 |
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147 protected ProfilingInfo getProfilingInfo() { |
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148 boolean osrCompilation = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; |
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149 return method.getCompilationProfilingInfo(osrCompilation); |
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150 } |
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151 |
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152 public void runCompilation() { |
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153 HotSpotVMConfig config = backend.getRuntime().getConfig(); |
14753 | 154 final long threadId = Thread.currentThread().getId(); |
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155 long previousInlinedBytecodes = InlinedBytecodes.getCurrentValue(); |
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156 long previousCompilationTime = CompilationTime.getCurrentValue(); |
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157 HotSpotInstalledCode installedCode = null; |
15663 | 158 final boolean isOSR = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; |
159 | |
160 // Log a compilation event. | |
161 EventProvider eventProvider = Graal.getRequiredCapability(EventProvider.class); | |
162 CompilationEvent compilationEvent = eventProvider.newCompilationEvent(); | |
14753 | 163 |
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164 try (TimerCloseable a = CompilationTime.start()) { |
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165 // If there is already compiled code for this method on our level we simply return. |
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166 // Graal compiles are always at the highest compile level, even in non-tiered mode so we |
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167 // only need to check for that value. |
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168 if (method.hasCodeAtLevel(entryBCI, config.compilationLevelFullOptimization)) { |
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169 return; |
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170 } |
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171 |
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172 CompilationStatistics stats = CompilationStatistics.create(method, isOSR); |
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173 final boolean printCompilation = PrintCompilation.getValue() && !TTY.isSuppressed(); |
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174 if (printCompilation) { |
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175 TTY.println(getMethodDescription() + "..."); |
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176 } |
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177 |
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178 CompilationResult result = null; |
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179 TTY.Filter filter = new TTY.Filter(PrintFilter.getValue(), method); |
14753 | 180 final long start = System.currentTimeMillis(); |
181 final long allocatedBytesBefore = threadMXBean.getThreadAllocatedBytes(threadId); | |
182 | |
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183 try (Scope s = Debug.scope("Compiling", new DebugDumpScope(String.valueOf(id), true))) { |
15663 | 184 // Begin the compilation event. |
185 compilationEvent.begin(); | |
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186 |
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187 if (UseBaselineCompiler.getValue() == true) { |
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188 HotSpotProviders providers = backend.getProviders(); |
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189 BaselineCompiler baselineCompiler = new BaselineCompiler(GraphBuilderConfiguration.getDefault(), providers.getMetaAccess()); |
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190 OptimisticOptimizations optimisticOpts = OptimisticOptimizations.ALL; |
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191 result = baselineCompiler.generate(method, -1, backend, new CompilationResult(), method, CompilationResultBuilderFactory.Default, optimisticOpts); |
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192 } else { |
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193 Map<ResolvedJavaMethod, StructuredGraph> graphCache = null; |
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194 if (GraalOptions.CacheGraphs.getValue()) { |
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195 graphCache = new HashMap<>(); |
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196 } |
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197 |
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198 HotSpotProviders providers = backend.getProviders(); |
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199 Replacements replacements = providers.getReplacements(); |
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200 graph = replacements.getMethodSubstitution(method); |
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201 if (graph == null || entryBCI != INVOCATION_ENTRY_BCI) { |
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202 graph = new StructuredGraph(method, entryBCI); |
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203 } else { |
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204 // Compiling method substitution - must clone the graph |
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205 graph = graph.copy(); |
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206 } |
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207 InlinedBytecodes.add(method.getCodeSize()); |
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208 CallingConvention cc = getCallingConvention(providers.getCodeCache(), Type.JavaCallee, graph.method(), false); |
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209 if (graph.getEntryBCI() != StructuredGraph.INVOCATION_ENTRY_BCI) { |
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210 // for OSR, only a pointer is passed to the method. |
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211 JavaType[] parameterTypes = new JavaType[]{providers.getMetaAccess().lookupJavaType(long.class)}; |
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212 CallingConvention tmp = providers.getCodeCache().getRegisterConfig().getCallingConvention(JavaCallee, providers.getMetaAccess().lookupJavaType(void.class), parameterTypes, |
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213 backend.getTarget(), false); |
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214 cc = new CallingConvention(cc.getStackSize(), cc.getReturn(), tmp.getArgument(0)); |
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215 } |
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216 Suites suites = getSuites(providers); |
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217 ProfilingInfo profilingInfo = getProfilingInfo(); |
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218 OptimisticOptimizations optimisticOpts = getOptimisticOpts(profilingInfo); |
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219 result = compileGraph(graph, null, cc, method, providers, backend, backend.getTarget(), graphCache, getGraphBuilderSuite(providers), optimisticOpts, profilingInfo, |
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220 method.getSpeculationLog(), suites, new CompilationResult(), CompilationResultBuilderFactory.Default); |
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221 } |
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222 result.setId(getId()); |
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223 result.setEntryBCI(entryBCI); |
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224 } catch (Throwable e) { |
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225 throw Debug.handle(e); |
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226 } finally { |
15663 | 227 // End the compilation event. |
228 compilationEvent.end(); | |
229 | |
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230 filter.remove(); |
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231 final boolean printAfterCompilation = PrintAfterCompilation.getValue() && !TTY.isSuppressed(); |
14753 | 232 |
233 if (printAfterCompilation || printCompilation) { | |
234 final long stop = System.currentTimeMillis(); | |
235 final int targetCodeSize = result != null ? result.getTargetCodeSize() : -1; | |
236 final long allocatedBytesAfter = threadMXBean.getThreadAllocatedBytes(threadId); | |
237 final long allocatedBytes = (allocatedBytesAfter - allocatedBytesBefore) / 1024; | |
238 | |
239 if (printAfterCompilation) { | |
240 TTY.println(getMethodDescription() + String.format(" | %4dms %5dB %5dkB", stop - start, targetCodeSize, allocatedBytes)); | |
241 } else if (printCompilation) { | |
242 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s | %4dms %5dB %5dkB", id, "", "", "", stop - start, targetCodeSize, allocatedBytes)); | |
243 } | |
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244 } |
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245 } |
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246 |
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247 try (TimerCloseable b = CodeInstallationTime.start()) { |
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248 installedCode = (HotSpotInstalledCode) installMethod(result); |
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249 if (!isOSR) { |
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250 ProfilingInfo profile = method.getProfilingInfo(); |
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251 profile.setCompilerIRSize(StructuredGraph.class, graph.getNodeCount()); |
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252 } |
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253 } |
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254 stats.finish(method, installedCode); |
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255 } catch (BailoutException bailout) { |
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256 BAILOUTS.increment(); |
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257 if (ExitVMOnBailout.getValue()) { |
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258 TTY.cachedOut.println(method.format("Bailout in %H.%n(%p)")); |
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259 bailout.printStackTrace(TTY.cachedOut); |
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260 System.exit(-1); |
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261 } else if (PrintBailout.getValue()) { |
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262 TTY.cachedOut.println(method.format("Bailout in %H.%n(%p)")); |
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263 bailout.printStackTrace(TTY.cachedOut); |
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264 } |
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265 } catch (Throwable t) { |
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266 if (PrintStackTraceOnException.getValue() || ExitVMOnException.getValue()) { |
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267 t.printStackTrace(TTY.cachedOut); |
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268 } |
15663 | 269 |
270 // Log a failure event. | |
271 CompilerFailureEvent event = eventProvider.newCompilerFailureEvent(); | |
272 if (event.shouldWrite()) { | |
273 event.setCompileId(getId()); | |
274 event.setMessage(t.getMessage()); | |
275 event.commit(); | |
276 } | |
277 | |
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278 if (ExitVMOnException.getValue()) { |
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279 System.exit(-1); |
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280 } |
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281 } finally { |
15663 | 282 final int processedBytes = (int) (InlinedBytecodes.getCurrentValue() - previousInlinedBytecodes); |
283 | |
284 // Log a compilation event. | |
285 if (compilationEvent.shouldWrite()) { | |
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286 compilationEvent.setMethod(method.format("%H.%n(%p)")); |
15663 | 287 compilationEvent.setCompileId(getId()); |
288 compilationEvent.setCompileLevel(config.compilationLevelFullOptimization); | |
289 compilationEvent.setSucceeded(true); | |
290 compilationEvent.setIsOsr(isOSR); | |
291 compilationEvent.setCodeSize(installedCode.getSize()); | |
292 compilationEvent.setInlinedBytes(processedBytes); | |
293 compilationEvent.commit(); | |
294 } | |
295 | |
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296 if (ctask != 0) { |
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297 unsafe.putInt(ctask + config.compileTaskNumInlinedBytecodesOffset, processedBytes); |
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298 } |
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299 if ((config.ciTime || config.ciTimeEach) && installedCode != null) { |
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300 long time = CompilationTime.getCurrentValue() - previousCompilationTime; |
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301 TimeUnit timeUnit = CompilationTime.getTimeUnit(); |
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302 long timeUnitsPerSecond = timeUnit.convert(1, TimeUnit.SECONDS); |
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303 CompilerToVM c2vm = backend.getRuntime().getCompilerToVM(); |
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304 c2vm.notifyCompilationStatistics(id, method, entryBCI != INVOCATION_ENTRY_BCI, processedBytes, time, timeUnitsPerSecond, installedCode); |
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305 } |
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306 } |
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307 } |
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308 |
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309 private String getMethodDescription() { |
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310 return String.format("%-6d Graal %-70s %-45s %-50s %s", id, method.getDeclaringClass().getName(), method.getName(), method.getSignature().toMethodDescriptor(), |
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311 entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "(OSR@" + entryBCI + ") "); |
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312 } |
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313 |
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314 private InstalledCode installMethod(final CompilationResult compResult) { |
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315 final HotSpotCodeCacheProvider codeCache = backend.getProviders().getCodeCache(); |
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316 InstalledCode installedCode = null; |
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317 try (Scope s = Debug.scope("CodeInstall", new DebugDumpScope(String.valueOf(id), true), codeCache, method)) { |
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318 installedCode = codeCache.installMethod(method, compResult, ctask); |
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319 } catch (Throwable e) { |
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320 throw Debug.handle(e); |
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321 } |
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322 return installedCode; |
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323 } |
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324 |
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325 @Override |
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326 public String toString() { |
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327 return "Compilation[id=" + id + ", " + method.format("%H.%n(%p)") + (entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "@" + entryBCI) + "]"; |
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328 } |
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329 |
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330 /** |
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331 * Schedules compilation of a metaspace Method. |
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332 * |
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333 * Called from the VM. |
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334 * |
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335 * @param metaspaceMethod |
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336 * @param entryBCI |
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337 * @param ctask address of native CompileTask object |
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338 * @param id CompileTask::_compile_id |
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339 */ |
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340 @SuppressWarnings("unused") |
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341 private static void compileMetaspaceMethod(long metaspaceMethod, int entryBCI, long ctask, int id) { |
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342 // Ensure a Graal runtime is initialized prior to Debug being initialized as the former |
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343 // may include processing command line options used by the latter. |
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344 Graal.getRuntime(); |
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345 |
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346 // Ensure a debug configuration for this thread is initialized |
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347 if (Debug.isEnabled() && DebugScope.getConfig() == null) { |
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348 DebugEnvironment.initialize(TTY.cachedOut); |
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349 } |
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350 |
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351 HotSpotResolvedJavaMethod method = HotSpotResolvedJavaMethod.fromMetaspace(metaspaceMethod); |
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352 compileMethod(method, entryBCI, ctask, id); |
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353 } |
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354 |
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355 /** |
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356 * Compiles a method to machine code. |
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357 */ |
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358 static void compileMethod(HotSpotResolvedJavaMethod method, int entryBCI, long ctask, int id) { |
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359 HotSpotBackend backend = runtime().getHostBackend(); |
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360 CompilationTask task = new CompilationTask(backend, method, entryBCI, ctask, id); |
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361 task.runCompilation(); |
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362 return; |
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363 } |
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364 } |