Mercurial > hg > truffle
annotate graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotProfilingInfo.java @ 21767:8c7e103521ef
Fix too conservative anchoring of PiNode in CheckCastNode lowering.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 07 Jun 2015 16:16:10 +0200 |
parents | 48c1ebd24120 |
children |
rev | line source |
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4446 | 1 /* |
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
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23 package com.oracle.jvmci.hotspot; |
4446 | 24 |
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25 import com.oracle.jvmci.debug.*; |
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26 import com.oracle.jvmci.meta.*; |
4446 | 27 |
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28 public final class HotSpotProfilingInfo implements ProfilingInfo, HotSpotProxified { |
4446 | 29 |
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30 private static final DebugMetric metricInsufficentSpace = Debug.metric("InsufficientSpaceForProfilingData"); |
4446 | 31 |
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32 private final HotSpotMethodData methodData; |
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33 private final HotSpotResolvedJavaMethod method; |
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34 |
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35 private boolean isMature; |
4446 | 36 private int position; |
37 private int hintPosition; | |
38 private int hintBCI; | |
39 private HotSpotMethodDataAccessor dataAccessor; | |
40 | |
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41 private boolean includeNormal; |
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42 private boolean includeOSR; |
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43 |
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44 public HotSpotProfilingInfo(HotSpotMethodData methodData, HotSpotResolvedJavaMethod method, boolean includeNormal, boolean includeOSR) { |
4446 | 45 this.methodData = methodData; |
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46 this.method = method; |
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47 this.includeNormal = includeNormal; |
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48 this.includeOSR = includeOSR; |
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49 this.isMature = methodData.isProfileMature(); |
4446 | 50 hintPosition = 0; |
51 hintBCI = -1; | |
52 } | |
53 | |
54 @Override | |
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55 public int getCodeSize() { |
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56 return method.getCodeSize(); |
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57 } |
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58 |
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59 @Override |
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60 public JavaTypeProfile getTypeProfile(int bci) { |
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61 if (!isMature) { |
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62 return null; |
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63 } |
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64 findBCI(bci, false); |
4446 | 65 return dataAccessor.getTypeProfile(methodData, position); |
66 } | |
67 | |
68 @Override | |
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69 public JavaMethodProfile getMethodProfile(int bci) { |
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70 if (!isMature) { |
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71 return null; |
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72 } |
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73 findBCI(bci, false); |
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74 return dataAccessor.getMethodProfile(methodData, position); |
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75 } |
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76 |
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77 @Override |
4446 | 78 public double getBranchTakenProbability(int bci) { |
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79 if (!isMature) { |
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80 return -1; |
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81 } |
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82 findBCI(bci, false); |
4446 | 83 return dataAccessor.getBranchTakenProbability(methodData, position); |
84 } | |
85 | |
86 @Override | |
87 public double[] getSwitchProbabilities(int bci) { | |
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88 if (!isMature) { |
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89 return null; |
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90 } |
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91 findBCI(bci, false); |
4446 | 92 return dataAccessor.getSwitchProbabilities(methodData, position); |
93 } | |
94 | |
95 @Override | |
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96 public TriState getExceptionSeen(int bci) { |
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97 findBCI(bci, true); |
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98 return dataAccessor.getExceptionSeen(methodData, position); |
4446 | 99 } |
100 | |
101 @Override | |
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102 public TriState getNullSeen(int bci) { |
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103 findBCI(bci, false); |
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104 return dataAccessor.getNullSeen(methodData, position); |
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105 } |
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106 |
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107 @Override |
4446 | 108 public int getExecutionCount(int bci) { |
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109 if (!isMature) { |
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110 return -1; |
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111 } |
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112 findBCI(bci, false); |
4446 | 113 return dataAccessor.getExecutionCount(methodData, position); |
114 } | |
115 | |
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116 @Override |
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117 public int getDeoptimizationCount(DeoptimizationReason reason) { |
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118 int count = 0; |
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119 if (includeNormal) { |
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120 count += methodData.getDeoptimizationCount(reason); |
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121 } |
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122 if (includeOSR) { |
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123 count += methodData.getOSRDeoptimizationCount(reason); |
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124 } |
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125 return count; |
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126 } |
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127 |
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128 private void findBCI(int targetBCI, boolean searchExtraData) { |
4446 | 129 assert targetBCI >= 0 : "invalid BCI"; |
130 | |
131 if (methodData.hasNormalData()) { | |
132 int currentPosition = targetBCI < hintBCI ? 0 : hintPosition; | |
133 HotSpotMethodDataAccessor currentAccessor; | |
134 while ((currentAccessor = methodData.getNormalData(currentPosition)) != null) { | |
135 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
136 if (currentBCI == targetBCI) { | |
137 normalDataFound(currentAccessor, currentPosition, currentBCI); | |
138 return; | |
139 } else if (currentBCI > targetBCI) { | |
140 break; | |
141 } | |
142 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
143 } | |
144 } | |
145 | |
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146 boolean exceptionPossiblyNotRecorded = false; |
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147 if (searchExtraData && methodData.hasExtraData()) { |
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148 int currentPosition = methodData.getExtraDataBeginOffset(); |
4446 | 149 HotSpotMethodDataAccessor currentAccessor; |
150 while ((currentAccessor = methodData.getExtraData(currentPosition)) != null) { | |
151 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
152 if (currentBCI == targetBCI) { | |
153 extraDataFound(currentAccessor, currentPosition); | |
154 return; | |
155 } | |
156 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
157 } | |
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158 |
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159 if (!methodData.isWithin(currentPosition)) { |
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160 exceptionPossiblyNotRecorded = true; |
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161 metricInsufficentSpace.increment(); |
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162 } |
4446 | 163 } |
164 | |
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165 noDataFound(exceptionPossiblyNotRecorded); |
4446 | 166 } |
167 | |
168 private void normalDataFound(HotSpotMethodDataAccessor data, int pos, int bci) { | |
169 setCurrentData(data, pos); | |
170 this.hintPosition = position; | |
171 this.hintBCI = bci; | |
172 } | |
173 | |
174 private void extraDataFound(HotSpotMethodDataAccessor data, int pos) { | |
175 setCurrentData(data, pos); | |
176 } | |
177 | |
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178 private void noDataFound(boolean exceptionPossiblyNotRecorded) { |
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179 HotSpotMethodDataAccessor accessor = HotSpotMethodData.getNoDataAccessor(exceptionPossiblyNotRecorded); |
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180 setCurrentData(accessor, -1); |
4446 | 181 } |
182 | |
183 private void setCurrentData(HotSpotMethodDataAccessor dataAccessor, int position) { | |
184 this.dataAccessor = dataAccessor; | |
185 this.position = position; | |
186 } | |
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187 |
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188 @Override |
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189 public boolean isMature() { |
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190 return isMature; |
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191 } |
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192 |
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193 public void ignoreMature() { |
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194 isMature = true; |
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195 } |
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196 |
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197 @Override |
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198 public String toString() { |
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199 return "HotSpotProfilingInfo<" + this.toString(null, "; ") + ">"; |
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200 } |
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201 |
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202 @Override |
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203 public void setMature() { |
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204 isMature = true; |
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205 } |
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206 |
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207 /** |
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208 * {@code MethodData::_jvmci_ir_size} (currently) supports at most one JVMCI compiler IR type |
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209 * which will be determined by the first JVMCI compiler that calls |
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210 * {@link #setCompilerIRSize(Class, int)}. |
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211 */ |
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212 private static volatile Class<?> supportedCompilerIRType; |
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213 |
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214 @Override |
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215 public boolean setCompilerIRSize(Class<?> irType, int size) { |
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216 if (supportedCompilerIRType == null) { |
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217 synchronized (HotSpotProfilingInfo.class) { |
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218 if (supportedCompilerIRType == null) { |
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219 supportedCompilerIRType = irType; |
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220 } |
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221 } |
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222 } |
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223 if (supportedCompilerIRType != irType) { |
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224 return false; |
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225 } |
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226 methodData.setCompiledIRSize(size); |
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227 return true; |
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228 } |
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229 |
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230 @Override |
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231 public int getCompilerIRSize(Class<?> irType) { |
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232 if (irType == supportedCompilerIRType) { |
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233 return methodData.getCompiledIRSize(); |
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234 } |
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235 return -1; |
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236 } |
4446 | 237 } |