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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/jvmci/HotSpotProfilingInfo.java @ 21548:f4b3a6dadb44

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moved Receiver inner class from MethodIdMap to InvocationPlugin (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 26 May 2015 11:19:50 +0200
parents a04dfbf81bc4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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a04dfbf81bc4 removed dependency from JVMCI class HotSpotProfilingInfo to non-JVMCI class StructuredGraph (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
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28 public final class HotSpotProfilingInfo implements ProfilingInfo, HotSpotProxified {
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29
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30 private static final DebugMetric metricInsufficentSpace = Debug.metric("InsufficientSpaceForProfilingData");
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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;
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36 private int position;
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37 private int hintPosition;
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38 private int hintBCI;
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39 private HotSpotMethodDataAccessor dataAccessor;
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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) {
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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();
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50 hintPosition = 0;
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51 hintBCI = -1;
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52 }
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53
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54 @Override
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2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
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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);
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65 return dataAccessor.getTypeProfile(methodData, position);
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66 }
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67
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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
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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);
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83 return dataAccessor.getBranchTakenProbability(methodData, position);
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84 }
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85
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86 @Override
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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);
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92 return dataAccessor.getSwitchProbabilities(methodData, position);
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93 }
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94
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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);
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99 }
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100
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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
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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);
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113 return dataAccessor.getExecutionCount(methodData, position);
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114 }
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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) {
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129 assert targetBCI >= 0 : "invalid BCI";
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130
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131 if (methodData.hasNormalData()) {
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132 int currentPosition = targetBCI < hintBCI ? 0 : hintPosition;
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133 HotSpotMethodDataAccessor currentAccessor;
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134 while ((currentAccessor = methodData.getNormalData(currentPosition)) != null) {
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135 int currentBCI = currentAccessor.getBCI(methodData, currentPosition);
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136 if (currentBCI == targetBCI) {
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137 normalDataFound(currentAccessor, currentPosition, currentBCI);
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138 return;
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139 } else if (currentBCI > targetBCI) {
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140 break;
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141 }
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142 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition);
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143 }
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144 }
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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();
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149 HotSpotMethodDataAccessor currentAccessor;
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150 while ((currentAccessor = methodData.getExtraData(currentPosition)) != null) {
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151 int currentBCI = currentAccessor.getBCI(methodData, currentPosition);
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152 if (currentBCI == targetBCI) {
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153 extraDataFound(currentAccessor, currentPosition);
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154 return;
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155 }
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156 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition);
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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 }
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163 }
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164
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165 noDataFound(exceptionPossiblyNotRecorded);
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166 }
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167
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168 private void normalDataFound(HotSpotMethodDataAccessor data, int pos, int bci) {
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169 setCurrentData(data, pos);
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170 this.hintPosition = position;
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171 this.hintBCI = bci;
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172 }
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173
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174 private void extraDataFound(HotSpotMethodDataAccessor data, int pos) {
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175 setCurrentData(data, pos);
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176 }
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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);
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181 }
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182
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183 private void setCurrentData(HotSpotMethodDataAccessor dataAccessor, int position) {
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184 this.dataAccessor = dataAccessor;
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185 this.position = position;
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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 }
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237 }