Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotProfilingInfo.java @ 9760:c76b43ed5089
Added infrastructure for recording invoked methods in the profiling information.
author | Christian Haeubl <haeubl@ssw.jku.at> |
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date | Fri, 17 May 2013 15:38:22 +0200 |
parents | 5407d1dd6450 |
children | a9311ec68721 |
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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Renaming hotspot.ri => hotspot.meta.
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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 |
34 private int position; | |
35 private int hintPosition; | |
36 private int hintBCI; | |
37 private HotSpotMethodDataAccessor dataAccessor; | |
38 private HotSpotMethodData methodData; | |
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39 private final int codeSize; |
4446 | 40 |
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41 public HotSpotProfilingInfo(HotSpotMethodData methodData, int codeSize) { |
4446 | 42 this.methodData = methodData; |
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43 this.codeSize = codeSize; |
4446 | 44 hintPosition = 0; |
45 hintBCI = -1; | |
46 } | |
47 | |
48 @Override | |
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49 public int getCodeSize() { |
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50 return codeSize; |
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51 } |
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52 |
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53 @Override |
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54 public JavaTypeProfile getTypeProfile(int bci) { |
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55 findBCI(bci, false); |
4446 | 56 return dataAccessor.getTypeProfile(methodData, position); |
57 } | |
58 | |
59 @Override | |
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60 public JavaMethodProfile getMethodProfile(int bci) { |
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61 findBCI(bci, false); |
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62 return dataAccessor.getMethodProfile(methodData, position); |
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63 } |
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64 |
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65 @Override |
4446 | 66 public double getBranchTakenProbability(int bci) { |
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67 findBCI(bci, false); |
4446 | 68 return dataAccessor.getBranchTakenProbability(methodData, position); |
69 } | |
70 | |
71 @Override | |
72 public double[] getSwitchProbabilities(int bci) { | |
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73 findBCI(bci, false); |
4446 | 74 return dataAccessor.getSwitchProbabilities(methodData, position); |
75 } | |
76 | |
77 @Override | |
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78 public TriState getExceptionSeen(int bci) { |
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79 findBCI(bci, true); |
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80 return dataAccessor.getExceptionSeen(methodData, position); |
4446 | 81 } |
82 | |
83 @Override | |
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84 public TriState getNullSeen(int bci) { |
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85 findBCI(bci, false); |
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86 return dataAccessor.getNullSeen(methodData, position); |
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87 } |
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88 |
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89 @Override |
4446 | 90 public int getExecutionCount(int bci) { |
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91 findBCI(bci, false); |
4446 | 92 return dataAccessor.getExecutionCount(methodData, position); |
93 } | |
94 | |
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95 @Override |
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96 public int getDeoptimizationCount(DeoptimizationReason reason) { |
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97 return methodData.getDeoptimizationCount(reason); |
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98 } |
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99 |
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100 private void findBCI(int targetBCI, boolean searchExtraData) { |
4446 | 101 assert targetBCI >= 0 : "invalid BCI"; |
102 | |
103 if (methodData.hasNormalData()) { | |
104 int currentPosition = targetBCI < hintBCI ? 0 : hintPosition; | |
105 HotSpotMethodDataAccessor currentAccessor; | |
106 while ((currentAccessor = methodData.getNormalData(currentPosition)) != null) { | |
107 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
108 if (currentBCI == targetBCI) { | |
109 normalDataFound(currentAccessor, currentPosition, currentBCI); | |
110 return; | |
111 } else if (currentBCI > targetBCI) { | |
112 break; | |
113 } | |
114 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
115 } | |
116 } | |
117 | |
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118 boolean exceptionPossiblyNotRecorded = false; |
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119 if (searchExtraData && methodData.hasExtraData()) { |
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120 int currentPosition = methodData.getExtraDataBeginOffset(); |
4446 | 121 HotSpotMethodDataAccessor currentAccessor; |
122 while ((currentAccessor = methodData.getExtraData(currentPosition)) != null) { | |
123 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
124 if (currentBCI == targetBCI) { | |
125 extraDataFound(currentAccessor, currentPosition); | |
126 return; | |
127 } | |
128 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
129 } | |
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130 |
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131 if (!methodData.isWithin(currentPosition)) { |
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132 exceptionPossiblyNotRecorded = true; |
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133 metricInsufficentSpace.increment(); |
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134 } |
4446 | 135 } |
136 | |
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137 noDataFound(exceptionPossiblyNotRecorded); |
4446 | 138 } |
139 | |
140 private void normalDataFound(HotSpotMethodDataAccessor data, int pos, int bci) { | |
141 setCurrentData(data, pos); | |
142 this.hintPosition = position; | |
143 this.hintBCI = bci; | |
144 } | |
145 | |
146 private void extraDataFound(HotSpotMethodDataAccessor data, int pos) { | |
147 setCurrentData(data, pos); | |
148 } | |
149 | |
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150 private void noDataFound(boolean exceptionPossiblyNotRecorded) { |
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151 HotSpotMethodDataAccessor accessor = HotSpotMethodData.getNoDataAccessor(exceptionPossiblyNotRecorded); |
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152 setCurrentData(accessor, -1); |
4446 | 153 } |
154 | |
155 private void setCurrentData(HotSpotMethodDataAccessor dataAccessor, int position) { | |
156 this.dataAccessor = dataAccessor; | |
157 this.position = position; | |
158 } | |
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159 |
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160 @Override |
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161 public String toString() { |
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162 return "HotSpotProfilingInfo<" + MetaUtil.profileToString(this, null, "; ") + ">"; |
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163 } |
4446 | 164 } |