Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java @ 6963:dd0dd0321e2a
throw BailoutException instead of GraalInternalError when encountering request for OSR compilation at a point where the expression stack is not empty
author | Doug Simon <doug.simon@oracle.com> |
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date | Sun, 18 Nov 2012 22:45:43 +0100 |
parents | 98d691bc23da |
children | b79ad92d5a26 |
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 java.util.concurrent.*; |
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26 |
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27 import com.oracle.graal.api.code.*; |
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28 import com.oracle.graal.api.meta.*; |
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29 import com.oracle.graal.debug.*; |
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30 import com.oracle.graal.hotspot.meta.*; |
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32 import com.oracle.graal.phases.*; |
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33 |
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34 |
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35 public final class CompilationTask implements Runnable, Comparable<CompilationTask> { |
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36 |
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37 |
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38 public static final ThreadLocal<Boolean> withinEnqueue = new ThreadLocal<Boolean>() { |
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39 @Override |
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40 protected Boolean initialValue() { |
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41 return Boolean.valueOf(Thread.currentThread() instanceof CompilerThread); |
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42 } |
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43 }; |
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44 |
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45 private volatile boolean cancelled; |
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46 private volatile boolean inProgress; |
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47 |
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48 private final HotSpotGraalRuntime graalRuntime; |
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49 private final PhasePlan plan; |
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50 private final OptimisticOptimizations optimisticOpts; |
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51 private final HotSpotResolvedJavaMethod method; |
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52 private final int entryBCI; |
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53 private final int id; |
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54 private final int priority; |
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55 |
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56 public static CompilationTask create(HotSpotGraalRuntime graalRuntime, PhasePlan plan, OptimisticOptimizations optimisticOpts, HotSpotResolvedJavaMethod method, int entryBCI, int id, int priority) { |
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57 return new CompilationTask(graalRuntime, plan, optimisticOpts, method, entryBCI, id, priority); |
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58 } |
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59 |
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60 private CompilationTask(HotSpotGraalRuntime graalRuntime, PhasePlan plan, OptimisticOptimizations optimisticOpts, HotSpotResolvedJavaMethod method, int entryBCI, int id, int priority) { |
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61 this.graalRuntime = graalRuntime; |
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62 this.plan = plan; |
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63 this.method = method; |
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65 this.entryBCI = entryBCI; |
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66 this.id = id; |
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67 this.priority = priority; |
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68 } |
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69 |
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70 public ResolvedJavaMethod getMethod() { |
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71 return method; |
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72 } |
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73 |
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74 public int getPriority() { |
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75 return priority; |
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76 } |
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77 |
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78 public void cancel() { |
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79 cancelled = true; |
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80 } |
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81 |
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82 public boolean isInProgress() { |
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83 return inProgress; |
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84 } |
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85 |
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86 public int getEntryBCI() { |
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87 return entryBCI; |
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88 } |
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89 |
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90 public void run() { |
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91 withinEnqueue.set(Boolean.FALSE); |
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92 try { |
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93 if (cancelled) { |
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94 return; |
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95 } |
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96 inProgress = true; |
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97 if (GraalOptions.DynamicCompilePriority) { |
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98 int threadPriority = priority < GraalOptions.SlowQueueCutoff ? Thread.NORM_PRIORITY : Thread.MIN_PRIORITY; |
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99 if (Thread.currentThread().getPriority() != threadPriority) { |
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100 Thread.currentThread().setPriority(threadPriority); |
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101 } |
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102 } |
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103 runCompilation(); |
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104 if (method.currentTask() == this && entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI) { |
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105 method.setCurrentTask(null); |
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106 } |
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107 } finally { |
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108 inProgress = false; |
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109 withinEnqueue.set(Boolean.TRUE); |
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110 } |
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111 } |
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112 |
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113 public void runCompilation() { |
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114 CompilationStatistics stats = CompilationStatistics.create(method); |
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115 try { |
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116 final boolean printCompilation = GraalOptions.PrintCompilation && !TTY.isSuppressed(); |
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117 if (printCompilation) { |
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118 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s %s...", id, method.getDeclaringClass().getName(), method.getName(), method.getSignature(), entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "(OSR@" + entryBCI + ") ")); |
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119 } |
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120 |
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121 CompilationResult result = null; |
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122 TTY.Filter filter = new TTY.Filter(GraalOptions.PrintFilter, method); |
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123 long start = System.currentTimeMillis(); |
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124 try { |
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125 result = Debug.scope("Compiling", new DebugDumpScope(String.valueOf(id), true), new Callable<CompilationResult>() { |
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126 |
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127 @Override |
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128 public CompilationResult call() throws Exception { |
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129 graalRuntime.evictDeoptedGraphs(); |
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131 return graalRuntime.getCompiler().compileMethod(method, graph, graalRuntime.getCache(), plan, optimisticOpts); |
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132 } |
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133 }); |
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134 } finally { |
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135 filter.remove(); |
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136 if (printCompilation) { |
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137 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s | %4dms %5dB", id, "", "", "", System.currentTimeMillis() - start, (result != null ? result.getTargetCodeSize() : -1))); |
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138 } |
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139 } |
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140 |
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141 installMethod(result); |
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142 } catch (BailoutException bailout) { |
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143 Debug.metric("Bailouts").increment(); |
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144 if (GraalOptions.ExitVMOnBailout) { |
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145 TTY.cachedOut.println(MetaUtil.format("Bailout in %H.%n(%p)", method)); |
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146 bailout.printStackTrace(TTY.cachedOut); |
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147 System.exit(-1); |
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148 } else if (GraalOptions.PrintBailout) { |
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149 TTY.cachedOut.println(MetaUtil.format("Bailout in %H.%n(%p)", method)); |
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150 bailout.printStackTrace(TTY.cachedOut); |
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151 } |
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152 } catch (Throwable t) { |
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153 if (GraalOptions.ExitVMOnException) { |
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154 t.printStackTrace(TTY.cachedOut); |
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155 System.exit(-1); |
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156 } |
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157 } |
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158 stats.finish(method); |
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159 } |
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160 |
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161 private void installMethod(final CompilationResult tm) { |
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162 Debug.scope("CodeInstall", new Object[] {new DebugDumpScope(String.valueOf(id), true), graalRuntime.getCompiler(), method}, new Runnable() { |
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163 @Override |
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164 public void run() { |
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165 final CodeInfo[] info = Debug.isDumpEnabled() ? new CodeInfo[1] : null; |
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166 graalRuntime.getRuntime().installMethod(method, entryBCI, tm, info); |
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167 if (info != null) { |
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168 Debug.dump(new Object[] {tm, info[0]}, "After code installation"); |
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169 } |
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170 } |
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171 |
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172 }); |
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173 } |
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174 |
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175 @Override |
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176 public int compareTo(CompilationTask o) { |
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177 if (priority < o.priority) { |
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178 return -1; |
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179 } |
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180 if (priority > o.priority) { |
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181 return 1; |
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182 } |
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183 return id < o.id ? -1 : (id > o.id ? 1 : 0); |
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184 } |
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185 |
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186 } |