Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotProfilingInfo.java @ 13769:af344056124f
Only use mature method datas
| author | Tom Rodriguez <tom.rodriguez@oracle.com> |
|---|---|
| date | Wed, 22 Jan 2014 11:10:09 -0800 |
| parents | 210f58e992a1 |
| children | 12eaf1a47a90 |
| rev | line source |
|---|---|
| 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.graal.hotspot.meta; |
| 4446 | 24 |
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25 import com.oracle.graal.api.meta.*; |
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26 import com.oracle.graal.debug.*; |
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27 import com.oracle.graal.hotspot.*; |
| 4446 | 28 |
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29 public final class HotSpotProfilingInfo extends CompilerObject implements ProfilingInfo { |
| 4446 | 30 |
| 31 private static final long serialVersionUID = -8307682725047864875L; | |
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32 private static final DebugMetric metricInsufficentSpace = Debug.metric("InsufficientSpaceForProfilingData"); |
| 4446 | 33 |
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34 private final HotSpotMethodData methodData; |
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35 private final HotSpotResolvedJavaMethod method; |
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36 |
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37 private boolean isMature; |
| 4446 | 38 private int position; |
| 39 private int hintPosition; | |
| 40 private int hintBCI; | |
| 41 private HotSpotMethodDataAccessor dataAccessor; | |
| 42 | |
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43 private boolean includeNormal; |
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44 private boolean includeOSR; |
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45 |
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46 public HotSpotProfilingInfo(HotSpotMethodData methodData, HotSpotResolvedJavaMethod method, boolean includeNormal, boolean includeOSR) { |
| 4446 | 47 this.methodData = methodData; |
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48 this.method = method; |
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49 this.includeNormal = includeNormal; |
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50 this.includeOSR = includeOSR; |
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51 this.isMature = methodData.isProfileMature(); |
| 4446 | 52 hintPosition = 0; |
| 53 hintBCI = -1; | |
| 54 } | |
| 55 | |
| 56 @Override | |
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57 public int getCodeSize() { |
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58 return method.getCodeSize(); |
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59 } |
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60 |
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61 @Override |
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62 public JavaTypeProfile getTypeProfile(int bci) { |
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63 if (!isMature) { |
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64 return null; |
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65 } |
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66 findBCI(bci, false); |
| 4446 | 67 return dataAccessor.getTypeProfile(methodData, position); |
| 68 } | |
| 69 | |
| 70 @Override | |
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71 public JavaMethodProfile getMethodProfile(int bci) { |
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72 if (!isMature) { |
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73 return null; |
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74 } |
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75 findBCI(bci, false); |
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76 return dataAccessor.getMethodProfile(methodData, position); |
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77 } |
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78 |
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79 @Override |
| 4446 | 80 public double getBranchTakenProbability(int bci) { |
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81 if (!isMature) { |
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82 return -1; |
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83 } |
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84 findBCI(bci, false); |
| 4446 | 85 return dataAccessor.getBranchTakenProbability(methodData, position); |
| 86 } | |
| 87 | |
| 88 @Override | |
| 89 public double[] getSwitchProbabilities(int bci) { | |
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90 if (!isMature) { |
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91 return null; |
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92 } |
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93 findBCI(bci, false); |
| 4446 | 94 return dataAccessor.getSwitchProbabilities(methodData, position); |
| 95 } | |
| 96 | |
| 97 @Override | |
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98 public TriState getExceptionSeen(int bci) { |
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99 findBCI(bci, true); |
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100 return dataAccessor.getExceptionSeen(methodData, position); |
| 4446 | 101 } |
| 102 | |
| 103 @Override | |
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104 public TriState getNullSeen(int bci) { |
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105 findBCI(bci, false); |
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106 return dataAccessor.getNullSeen(methodData, position); |
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107 } |
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108 |
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109 @Override |
| 4446 | 110 public int getExecutionCount(int bci) { |
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111 if (!isMature) { |
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112 return -1; |
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113 } |
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114 findBCI(bci, false); |
| 4446 | 115 return dataAccessor.getExecutionCount(methodData, position); |
| 116 } | |
| 117 | |
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118 @Override |
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119 public int getDeoptimizationCount(DeoptimizationReason reason) { |
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120 int count = 0; |
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121 if (includeNormal) { |
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122 count += methodData.getDeoptimizationCount(reason); |
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123 } |
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124 if (includeOSR) { |
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125 count += methodData.getOSRDeoptimizationCount(reason); |
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126 } |
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127 return count; |
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128 } |
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129 |
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130 private void findBCI(int targetBCI, boolean searchExtraData) { |
| 4446 | 131 assert targetBCI >= 0 : "invalid BCI"; |
| 132 | |
| 133 if (methodData.hasNormalData()) { | |
| 134 int currentPosition = targetBCI < hintBCI ? 0 : hintPosition; | |
| 135 HotSpotMethodDataAccessor currentAccessor; | |
| 136 while ((currentAccessor = methodData.getNormalData(currentPosition)) != null) { | |
| 137 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
| 138 if (currentBCI == targetBCI) { | |
| 139 normalDataFound(currentAccessor, currentPosition, currentBCI); | |
| 140 return; | |
| 141 } else if (currentBCI > targetBCI) { | |
| 142 break; | |
| 143 } | |
| 144 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
| 145 } | |
| 146 } | |
| 147 | |
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148 boolean exceptionPossiblyNotRecorded = false; |
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149 if (searchExtraData && methodData.hasExtraData()) { |
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150 int currentPosition = methodData.getExtraDataBeginOffset(); |
| 4446 | 151 HotSpotMethodDataAccessor currentAccessor; |
| 152 while ((currentAccessor = methodData.getExtraData(currentPosition)) != null) { | |
| 153 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
| 154 if (currentBCI == targetBCI) { | |
| 155 extraDataFound(currentAccessor, currentPosition); | |
| 156 return; | |
| 157 } | |
| 158 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
| 159 } | |
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160 |
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161 if (!methodData.isWithin(currentPosition)) { |
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162 exceptionPossiblyNotRecorded = true; |
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163 metricInsufficentSpace.increment(); |
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164 } |
| 4446 | 165 } |
| 166 | |
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167 noDataFound(exceptionPossiblyNotRecorded); |
| 4446 | 168 } |
| 169 | |
| 170 private void normalDataFound(HotSpotMethodDataAccessor data, int pos, int bci) { | |
| 171 setCurrentData(data, pos); | |
| 172 this.hintPosition = position; | |
| 173 this.hintBCI = bci; | |
| 174 } | |
| 175 | |
| 176 private void extraDataFound(HotSpotMethodDataAccessor data, int pos) { | |
| 177 setCurrentData(data, pos); | |
| 178 } | |
| 179 | |
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180 private void noDataFound(boolean exceptionPossiblyNotRecorded) { |
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181 HotSpotMethodDataAccessor accessor = HotSpotMethodData.getNoDataAccessor(exceptionPossiblyNotRecorded); |
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182 setCurrentData(accessor, -1); |
| 4446 | 183 } |
| 184 | |
| 185 private void setCurrentData(HotSpotMethodDataAccessor dataAccessor, int position) { | |
| 186 this.dataAccessor = dataAccessor; | |
| 187 this.position = position; | |
| 188 } | |
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189 |
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190 @Override |
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191 public boolean isMature() { |
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192 return isMature; |
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193 } |
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194 |
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195 public void ignoreMature() { |
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196 isMature = true; |
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197 } |
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198 |
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199 @Override |
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200 public String toString() { |
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201 return "HotSpotProfilingInfo<" + MetaUtil.profileToString(this, null, "; ") + ">"; |
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202 } |
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203 |
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204 @Override |
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205 public void setMature() { |
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206 isMature = true; |
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207 } |
| 4446 | 208 } |