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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/jvmci/HotSpotProfilingInfo.java @ 21535:90fd03612631

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removed use of lambda in JVMCI/Graal initialization code
author Doug Simon <doug.simon@oracle.com>
date Sun, 24 May 2015 16:40:29 +0200
parents 1da7aef31a08
children
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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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1da7aef31a08 created com.oracle.graal.hotspot.jvmci package and moved classes destined for future JVMCI module into it (JBS:GRAAL-53)
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23 package com.oracle.graal.hotspot.jvmci;
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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.nodes.*;
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28
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29 public final class HotSpotProfilingInfo implements ProfilingInfo, HotSpotProxified {
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30
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31 private static final DebugMetric metricInsufficentSpace = Debug.metric("InsufficientSpaceForProfilingData");
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32
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33 private final HotSpotMethodData methodData;
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34 private final HotSpotResolvedJavaMethod method;
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35
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36 private boolean isMature;
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37 private int position;
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38 private int hintPosition;
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39 private int hintBCI;
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40 private HotSpotMethodDataAccessor dataAccessor;
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41
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42 private boolean includeNormal;
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43 private boolean includeOSR;
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44
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45 public HotSpotProfilingInfo(HotSpotMethodData methodData, HotSpotResolvedJavaMethod method, boolean includeNormal, boolean includeOSR) {
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46 this.methodData = methodData;
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47 this.method = method;
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48 this.includeNormal = includeNormal;
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49 this.includeOSR = includeOSR;
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50 this.isMature = methodData.isProfileMature();
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51 hintPosition = 0;
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52 hintBCI = -1;
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53 }
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54
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55 @Override
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56 public int getCodeSize() {
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57 return method.getCodeSize();
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58 }
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59
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60 @Override
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61 public JavaTypeProfile getTypeProfile(int bci) {
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62 if (!isMature) {
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63 return null;
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64 }
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65 findBCI(bci, false);
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66 return dataAccessor.getTypeProfile(methodData, position);
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67 }
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68
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69 @Override
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70 public JavaMethodProfile getMethodProfile(int bci) {
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71 if (!isMature) {
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72 return null;
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73 }
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74 findBCI(bci, false);
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75 return dataAccessor.getMethodProfile(methodData, position);
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76 }
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77
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78 @Override
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79 public double getBranchTakenProbability(int bci) {
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80 if (!isMature) {
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81 return -1;
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82 }
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83 findBCI(bci, false);
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84 return dataAccessor.getBranchTakenProbability(methodData, position);
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85 }
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86
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87 @Override
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88 public double[] getSwitchProbabilities(int bci) {
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89 if (!isMature) {
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90 return null;
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91 }
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92 findBCI(bci, false);
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93 return dataAccessor.getSwitchProbabilities(methodData, position);
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94 }
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95
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96 @Override
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97 public TriState getExceptionSeen(int bci) {
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98 findBCI(bci, true);
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99 return dataAccessor.getExceptionSeen(methodData, position);
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100 }
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101
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102 @Override
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103 public TriState getNullSeen(int bci) {
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104 findBCI(bci, false);
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105 return dataAccessor.getNullSeen(methodData, position);
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106 }
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107
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108 @Override
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109 public int getExecutionCount(int bci) {
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110 if (!isMature) {
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111 return -1;
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112 }
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113 findBCI(bci, false);
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114 return dataAccessor.getExecutionCount(methodData, position);
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115 }
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116
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117 @Override
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118 public int getDeoptimizationCount(DeoptimizationReason reason) {
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119 int count = 0;
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120 if (includeNormal) {
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121 count += methodData.getDeoptimizationCount(reason);
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122 }
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123 if (includeOSR) {
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124 count += methodData.getOSRDeoptimizationCount(reason);
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125 }
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126 return count;
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127 }
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128
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129 private void findBCI(int targetBCI, boolean searchExtraData) {
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130 assert targetBCI >= 0 : "invalid BCI";
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131
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132 if (methodData.hasNormalData()) {
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133 int currentPosition = targetBCI < hintBCI ? 0 : hintPosition;
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134 HotSpotMethodDataAccessor currentAccessor;
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135 while ((currentAccessor = methodData.getNormalData(currentPosition)) != null) {
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136 int currentBCI = currentAccessor.getBCI(methodData, currentPosition);
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137 if (currentBCI == targetBCI) {
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138 normalDataFound(currentAccessor, currentPosition, currentBCI);
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139 return;
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140 } else if (currentBCI > targetBCI) {
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141 break;
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142 }
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143 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition);
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144 }
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145 }
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146
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147 boolean exceptionPossiblyNotRecorded = false;
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148 if (searchExtraData && methodData.hasExtraData()) {
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149 int currentPosition = methodData.getExtraDataBeginOffset();
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150 HotSpotMethodDataAccessor currentAccessor;
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151 while ((currentAccessor = methodData.getExtraData(currentPosition)) != null) {
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152 int currentBCI = currentAccessor.getBCI(methodData, currentPosition);
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153 if (currentBCI == targetBCI) {
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154 extraDataFound(currentAccessor, currentPosition);
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155 return;
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156 }
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157 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition);
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158 }
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159
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160 if (!methodData.isWithin(currentPosition)) {
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161 exceptionPossiblyNotRecorded = true;
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162 metricInsufficentSpace.increment();
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163 }
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164 }
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165
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166 noDataFound(exceptionPossiblyNotRecorded);
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167 }
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168
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169 private void normalDataFound(HotSpotMethodDataAccessor data, int pos, int bci) {
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170 setCurrentData(data, pos);
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171 this.hintPosition = position;
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172 this.hintBCI = bci;
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173 }
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174
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175 private void extraDataFound(HotSpotMethodDataAccessor data, int pos) {
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176 setCurrentData(data, pos);
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177 }
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178
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179 private void noDataFound(boolean exceptionPossiblyNotRecorded) {
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180 HotSpotMethodDataAccessor accessor = HotSpotMethodData.getNoDataAccessor(exceptionPossiblyNotRecorded);
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181 setCurrentData(accessor, -1);
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182 }
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183
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184 private void setCurrentData(HotSpotMethodDataAccessor dataAccessor, int position) {
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185 this.dataAccessor = dataAccessor;
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186 this.position = position;
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187 }
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188
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189 @Override
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190 public boolean isMature() {
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191 return isMature;
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192 }
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193
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194 public void ignoreMature() {
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195 isMature = true;
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196 }
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197
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198 @Override
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199 public String toString() {
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200 return "HotSpotProfilingInfo<" + this.toString(null, "; ") + ">";
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201 }
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202
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203 @Override
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204 public void setMature() {
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205 isMature = true;
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206 }
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207
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208 @Override
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209 public boolean setCompilerIRSize(Class<?> irType, int size) {
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210 if (irType == StructuredGraph.class) {
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211 methodData.setCompiledGraphSize(size);
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212 return true;
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213 }
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214 return false;
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215 }
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216
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217 @Override
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218 public int getCompilerIRSize(Class<?> irType) {
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219 if (irType == StructuredGraph.class) {
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220 return methodData.getCompiledGraphSize();
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221 }
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diff changeset
222 return -1;
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223 }
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224 }