Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethodData.java @ 23777:6c8eaf47db9a
added -XX:+JVMCIPrintFlags to support printing of JVMCI flags without having to know how to trigger JVMCI initialization
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 04 Oct 2016 22:14:32 +0200 |
parents | c64c9fac1ab9 |
children | 286dce1eca9b |
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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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23 package jdk.vm.ci.hotspot; |
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24 |
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25 import static java.lang.String.format; |
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26 import static jdk.vm.ci.hotspot.CompilerToVM.compilerToVM; |
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27 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime; |
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28 import static jdk.vm.ci.hotspot.HotSpotVMConfig.config; |
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29 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; |
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30 |
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31 import java.util.Arrays; |
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32 |
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33 import jdk.vm.ci.meta.DeoptimizationReason; |
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34 import jdk.vm.ci.meta.JavaMethodProfile; |
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35 import jdk.vm.ci.meta.JavaMethodProfile.ProfiledMethod; |
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36 import jdk.vm.ci.meta.JavaTypeProfile; |
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37 import jdk.vm.ci.meta.JavaTypeProfile.ProfiledType; |
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38 import jdk.vm.ci.meta.ResolvedJavaMethod; |
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39 import jdk.vm.ci.meta.ResolvedJavaType; |
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40 import jdk.vm.ci.meta.TriState; |
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41 import sun.misc.Unsafe; |
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42 |
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43 /** |
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44 * Access to a HotSpot {@code MethodData} structure (defined in methodData.hpp). |
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45 */ |
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46 final class HotSpotMethodData { |
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48 static final HotSpotVMConfig config = config(); |
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49 static final HotSpotMethodDataAccessor NO_DATA_NO_EXCEPTION_ACCESSOR = new NoMethodData(config, config.dataLayoutNoTag, TriState.FALSE); |
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50 static final HotSpotMethodDataAccessor NO_DATA_EXCEPTION_POSSIBLY_NOT_RECORDED_ACCESSOR = new NoMethodData(config, config.dataLayoutNoTag, TriState.UNKNOWN); |
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51 |
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52 /** |
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53 * Reference to the C++ MethodData object. |
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54 */ |
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55 final long metaspaceMethodData; |
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56 private final HotSpotResolvedJavaMethodImpl method; |
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57 |
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58 HotSpotMethodData(long metaspaceMethodData, HotSpotResolvedJavaMethodImpl method) { |
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59 this.metaspaceMethodData = metaspaceMethodData; |
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60 this.method = method; |
13241 | 61 } |
62 | |
63 /** | |
64 * @return value of the MethodData::_data_size field | |
65 */ | |
66 private int normalDataSize() { | |
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67 return UNSAFE.getInt(metaspaceMethodData + config.methodDataDataSize); |
13241 | 68 } |
69 | |
70 /** | |
71 * Returns the size of the extra data records. This method does the same calculation as | |
72 * MethodData::extra_data_size(). | |
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73 * |
13241 | 74 * @return size of extra data records |
75 */ | |
76 private int extraDataSize() { | |
77 final int extraDataBase = config.methodDataOopDataOffset + normalDataSize(); | |
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78 final int extraDataLimit = UNSAFE.getInt(metaspaceMethodData + config.methodDataSize); |
13241 | 79 return extraDataLimit - extraDataBase; |
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80 } |
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81 |
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82 public boolean hasNormalData() { |
13241 | 83 return normalDataSize() > 0; |
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84 } |
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85 |
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86 public boolean hasExtraData() { |
13241 | 87 return extraDataSize() > 0; |
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88 } |
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89 |
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90 public int getExtraDataBeginOffset() { |
13241 | 91 return normalDataSize(); |
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92 } |
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93 |
4444 | 94 public boolean isWithin(int position) { |
13241 | 95 return position >= 0 && position < normalDataSize() + extraDataSize(); |
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96 } |
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97 |
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98 public int getDeoptimizationCount(DeoptimizationReason reason) { |
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99 HotSpotMetaAccessProvider metaAccess = (HotSpotMetaAccessProvider) runtime().getHostJVMCIBackend().getMetaAccess(); |
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100 int reasonIndex = metaAccess.convertDeoptReason(reason); |
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101 return UNSAFE.getByte(metaspaceMethodData + config.methodDataOopTrapHistoryOffset + reasonIndex) & 0xFF; |
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102 } |
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103 |
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104 public int getOSRDeoptimizationCount(DeoptimizationReason reason) { |
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105 HotSpotMetaAccessProvider metaAccess = (HotSpotMetaAccessProvider) runtime().getHostJVMCIBackend().getMetaAccess(); |
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106 int reasonIndex = metaAccess.convertDeoptReason(reason); |
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107 return UNSAFE.getByte(metaspaceMethodData + config.methodDataOopTrapHistoryOffset + config.deoptReasonOSROffset + reasonIndex) & 0xFF; |
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108 } |
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109 |
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110 public int getDecompileCount() { |
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111 return UNSAFE.getInt(metaspaceMethodData + config.methodDataDecompiles); |
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112 } |
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113 |
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114 public int getOverflowCompileCount() { |
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115 return UNSAFE.getInt(metaspaceMethodData + config.methodDataOverflowRecompiles); |
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116 } |
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117 |
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118 public int getOverflowTrapsCount() { |
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119 return UNSAFE.getInt(metaspaceMethodData + config.methodDataOverflowTraps); |
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120 } |
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121 |
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122 public HotSpotMethodDataAccessor getNormalData(int position) { |
13241 | 123 if (position >= normalDataSize()) { |
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124 return null; |
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125 } |
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126 |
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127 return getData(position); |
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128 } |
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129 |
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130 public HotSpotMethodDataAccessor getExtraData(int position) { |
13241 | 131 if (position >= normalDataSize() + extraDataSize()) { |
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132 return null; |
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133 } |
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134 HotSpotMethodDataAccessor data = getData(position); |
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135 if (data != null) { |
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136 return data; |
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137 } |
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138 return data; |
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139 } |
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140 |
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141 public static HotSpotMethodDataAccessor getNoDataAccessor(boolean exceptionPossiblyNotRecorded) { |
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142 if (exceptionPossiblyNotRecorded) { |
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143 return NO_DATA_EXCEPTION_POSSIBLY_NOT_RECORDED_ACCESSOR; |
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144 } else { |
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145 return NO_DATA_NO_EXCEPTION_ACCESSOR; |
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146 } |
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147 } |
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148 |
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149 private HotSpotMethodDataAccessor getData(int position) { |
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150 assert position >= 0 : "out of bounds"; |
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151 final int tag = HotSpotMethodDataAccessor.readTag(config, this, position); |
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152 HotSpotMethodDataAccessor accessor = PROFILE_DATA_ACCESSORS[tag]; |
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153 assert accessor == null || accessor.getTag() == tag : "wrong data accessor " + accessor + " for tag " + tag; |
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154 return accessor; |
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155 } |
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156 |
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157 int readUnsignedByte(int position, int offsetInBytes) { |
4444 | 158 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes); |
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159 return UNSAFE.getByte(metaspaceMethodData + fullOffsetInBytes) & 0xFF; |
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160 } |
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161 |
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162 int readUnsignedShort(int position, int offsetInBytes) { |
4444 | 163 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes); |
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164 return UNSAFE.getShort(metaspaceMethodData + fullOffsetInBytes) & 0xFFFF; |
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165 } |
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166 |
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167 /** |
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168 * Since the values are stored in cells (platform words) this method uses |
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169 * {@link Unsafe#getAddress} to read the right value on both little and big endian machines. |
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170 */ |
4444 | 171 private long readUnsignedInt(int position, int offsetInBytes) { |
172 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes); | |
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173 return UNSAFE.getAddress(metaspaceMethodData + fullOffsetInBytes) & 0xFFFFFFFFL; |
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174 } |
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175 |
4444 | 176 private int readUnsignedIntAsSignedInt(int position, int offsetInBytes) { |
177 long value = readUnsignedInt(position, offsetInBytes); | |
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178 return truncateLongToInt(value); |
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179 } |
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180 |
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181 /** |
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182 * Since the values are stored in cells (platform words) this method uses |
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183 * {@link Unsafe#getAddress} to read the right value on both little and big endian machines. |
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184 */ |
4444 | 185 private int readInt(int position, int offsetInBytes) { |
186 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes); | |
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187 return (int) UNSAFE.getAddress(metaspaceMethodData + fullOffsetInBytes); |
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188 } |
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189 |
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190 private HotSpotResolvedJavaMethod readMethod(int position, int offsetInBytes) { |
4444 | 191 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes); |
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192 return compilerToVM().getResolvedJavaMethod(null, metaspaceMethodData + fullOffsetInBytes); |
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193 } |
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194 |
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195 private HotSpotResolvedObjectTypeImpl readKlass(int position, int offsetInBytes) { |
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196 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes); |
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197 return compilerToVM().getResolvedJavaType(null, metaspaceMethodData + fullOffsetInBytes, false); |
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198 } |
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199 |
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200 private static int truncateLongToInt(long value) { |
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201 return value > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) value; |
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202 } |
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203 |
4444 | 204 private static int computeFullOffset(int position, int offsetInBytes) { |
205 return config.methodDataOopDataOffset + position + offsetInBytes; | |
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206 } |
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207 |
4444 | 208 private static int cellIndexToOffset(int cells) { |
209 return config.dataLayoutHeaderSize + cellsToBytes(cells); | |
210 } | |
211 | |
212 private static int cellsToBytes(int cells) { | |
213 return cells * config.dataLayoutCellSize; | |
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214 } |
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215 |
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216 /** |
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217 * Returns whether profiling ran long enough that the profile information is mature. Other |
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218 * informational data will still be valid even if the profile isn't mature. |
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219 */ |
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220 public boolean isProfileMature() { |
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221 return runtime().getCompilerToVM().isMature(metaspaceMethodData); |
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222 } |
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223 |
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224 @Override |
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225 public String toString() { |
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226 StringBuilder sb = new StringBuilder(); |
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227 String nl = String.format("%n"); |
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228 String nlIndent = String.format("%n%38s", ""); |
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229 sb.append("Raw method data for "); |
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230 sb.append(method.format("%H.%n(%p)")); |
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231 sb.append(":"); |
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232 sb.append(nl); |
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233 if (hasNormalData()) { |
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234 int pos = 0; |
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235 HotSpotMethodDataAccessor data; |
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236 while ((data = getNormalData(pos)) != null) { |
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237 if (pos != 0) { |
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238 sb.append(nl); |
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239 } |
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240 int bci = data.getBCI(this, pos); |
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241 sb.append(String.format("%-6d bci: %-6d%-20s", pos, bci, data.getClass().getSimpleName())); |
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242 sb.append(data.appendTo(new StringBuilder(), this, pos).toString().replace(nl, nlIndent)); |
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243 pos = pos + data.getSize(this, pos); |
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244 } |
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245 } |
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246 |
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247 if (hasExtraData()) { |
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248 int pos = getExtraDataBeginOffset(); |
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249 HotSpotMethodDataAccessor data; |
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250 while ((data = getExtraData(pos)) != null) { |
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251 if (pos == getExtraDataBeginOffset()) { |
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252 sb.append(nl).append("--- Extra data:"); |
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253 } |
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254 int bci = data.getBCI(this, pos); |
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255 sb.append(String.format("%n%-6d bci: %-6d%-20s", pos, bci, data.getClass().getSimpleName())); |
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256 sb.append(data.appendTo(new StringBuilder(), this, pos).toString().replace(nl, nlIndent)); |
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257 pos = pos + data.getSize(this, pos); |
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258 } |
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259 |
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260 } |
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261 return sb.toString(); |
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262 } |
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263 |
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264 static final int NO_DATA_SIZE = cellIndexToOffset(0); |
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265 |
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266 static class NoMethodData extends HotSpotMethodDataAccessor { |
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267 |
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268 private final TriState exceptionSeen; |
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269 |
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270 protected NoMethodData(HotSpotVMConfig config, int tag, TriState exceptionSeen) { |
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271 super(config, tag, NO_DATA_SIZE); |
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272 this.exceptionSeen = exceptionSeen; |
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273 } |
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274 |
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275 @Override |
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276 public int getBCI(HotSpotMethodData data, int position) { |
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277 return -1; |
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278 } |
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279 |
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280 @Override |
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281 public TriState getExceptionSeen(HotSpotMethodData data, int position) { |
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282 return exceptionSeen; |
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283 } |
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284 |
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285 @Override |
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286 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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287 return sb; |
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288 } |
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289 } |
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290 |
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291 static final int BIT_DATA_SIZE = cellIndexToOffset(0); |
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292 static final int BIT_DATA_NULL_SEEN_FLAG = 1 << config.bitDataNullSeenFlag; |
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293 |
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294 static class BitData extends HotSpotMethodDataAccessor { |
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295 |
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296 private BitData(HotSpotVMConfig config, int tag) { |
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297 super(config, tag, BIT_DATA_SIZE); |
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298 } |
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299 |
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300 protected BitData(HotSpotVMConfig config, int tag, int staticSize) { |
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301 super(config, tag, staticSize); |
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302 } |
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303 |
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304 @Override |
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305 public TriState getNullSeen(HotSpotMethodData data, int position) { |
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306 return TriState.get((getFlags(data, position) & BIT_DATA_NULL_SEEN_FLAG) != 0); |
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307 } |
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308 |
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309 @Override |
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310 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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311 return sb.append(format("exception_seen(%s)", getExceptionSeen(data, pos))); |
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312 } |
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313 } |
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314 |
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315 static final int COUNTER_DATA_SIZE = cellIndexToOffset(1); |
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316 static final int COUNTER_DATA_COUNT_OFFSET = cellIndexToOffset(config.methodDataCountOffset); |
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317 |
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318 static class CounterData extends BitData { |
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319 |
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320 CounterData(HotSpotVMConfig config, int tag) { |
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321 super(config, tag, COUNTER_DATA_SIZE); |
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322 } |
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323 |
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324 protected CounterData(HotSpotVMConfig config, int tag, int staticSize) { |
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325 super(config, tag, staticSize); |
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326 } |
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327 |
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328 @Override |
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329 public int getExecutionCount(HotSpotMethodData data, int position) { |
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330 return getCounterValue(data, position); |
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331 } |
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332 |
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333 protected int getCounterValue(HotSpotMethodData data, int position) { |
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334 return data.readUnsignedIntAsSignedInt(position, COUNTER_DATA_COUNT_OFFSET); |
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335 } |
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336 |
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337 @Override |
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338 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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339 return sb.append(format("count(%d) null_seen(%s) exception_seen(%s)", getCounterValue(data, pos), getNullSeen(data, pos), getExceptionSeen(data, pos))); |
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340 } |
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341 } |
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342 |
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343 static final int JUMP_DATA_SIZE = cellIndexToOffset(2); |
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344 static final int TAKEN_COUNT_OFFSET = cellIndexToOffset(config.jumpDataTakenOffset); |
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345 static final int TAKEN_DISPLACEMENT_OFFSET = cellIndexToOffset(config.jumpDataDisplacementOffset); |
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346 |
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347 static class JumpData extends HotSpotMethodDataAccessor { |
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348 |
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349 JumpData(HotSpotVMConfig config, int tag) { |
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350 super(config, tag, JUMP_DATA_SIZE); |
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351 } |
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352 |
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353 protected JumpData(HotSpotVMConfig config, int tag, int staticSize) { |
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354 super(config, tag, staticSize); |
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355 } |
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356 |
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357 @Override |
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358 public double getBranchTakenProbability(HotSpotMethodData data, int position) { |
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359 return getExecutionCount(data, position) != 0 ? 1 : 0; |
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360 } |
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361 |
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362 @Override |
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363 public int getExecutionCount(HotSpotMethodData data, int position) { |
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364 return data.readUnsignedIntAsSignedInt(position, TAKEN_COUNT_OFFSET); |
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365 } |
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366 |
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367 public int getTakenDisplacement(HotSpotMethodData data, int position) { |
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368 return data.readInt(position, TAKEN_DISPLACEMENT_OFFSET); |
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369 } |
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370 |
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371 @Override |
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372 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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373 return sb.append(format("taken(%d) displacement(%d)", getExecutionCount(data, pos), getTakenDisplacement(data, pos))); |
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374 } |
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375 } |
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376 |
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377 static class RawItemProfile<T> { |
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378 final int entries; |
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379 final T[] items; |
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380 final long[] counts; |
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381 final long totalCount; |
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382 |
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383 RawItemProfile(int entries, T[] items, long[] counts, long totalCount) { |
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384 this.entries = entries; |
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385 this.items = items; |
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386 this.counts = counts; |
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387 this.totalCount = totalCount; |
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388 } |
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389 } |
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390 |
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391 static final int TYPE_DATA_ROW_SIZE = cellsToBytes(config.receiverTypeDataReceiverTypeRowCellCount); |
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392 |
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393 static final int NONPROFILED_COUNT_OFFSET = cellIndexToOffset(config.receiverTypeDataNonprofiledCountOffset); |
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394 static final int TYPE_DATA_FIRST_TYPE_OFFSET = cellIndexToOffset(config.receiverTypeDataReceiver0Offset); |
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395 static final int TYPE_DATA_FIRST_TYPE_COUNT_OFFSET = cellIndexToOffset(config.receiverTypeDataCount0Offset); |
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396 |
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397 abstract static class AbstractTypeData extends CounterData { |
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398 |
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399 protected AbstractTypeData(HotSpotVMConfig config, int tag, int staticSize) { |
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400 super(config, tag, staticSize); |
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401 } |
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402 |
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403 @Override |
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404 public JavaTypeProfile getTypeProfile(HotSpotMethodData data, int position) { |
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405 return createTypeProfile(getNullSeen(data, position), getRawTypeProfile(data, position)); |
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406 } |
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407 |
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408 private RawItemProfile<ResolvedJavaType> getRawTypeProfile(HotSpotMethodData data, int position) { |
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409 int typeProfileWidth = config.typeProfileWidth; |
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410 |
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411 ResolvedJavaType[] types = new ResolvedJavaType[typeProfileWidth]; |
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412 long[] counts = new long[typeProfileWidth]; |
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413 long totalCount = 0; |
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414 int entries = 0; |
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415 |
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416 outer: for (int i = 0; i < typeProfileWidth; i++) { |
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417 HotSpotResolvedObjectTypeImpl receiverKlass = data.readKlass(position, getTypeOffset(i)); |
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418 if (receiverKlass != null) { |
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419 HotSpotResolvedObjectTypeImpl klass = receiverKlass; |
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420 long count = data.readUnsignedInt(position, getTypeCountOffset(i)); |
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421 /* |
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422 * Because of races in the profile collection machinery it's possible for a |
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423 * class to appear multiple times so merge them to make the profile look |
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424 * rational. |
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425 */ |
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426 for (int j = 0; j < entries; j++) { |
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427 if (types[j].equals(klass)) { |
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428 totalCount += count; |
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429 counts[j] += count; |
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430 continue outer; |
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431 } |
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432 } |
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433 types[entries] = klass; |
4447 | 434 totalCount += count; |
435 counts[entries] = count; | |
436 entries++; | |
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437 } |
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438 } |
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439 |
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440 totalCount += getTypesNotRecordedExecutionCount(data, position); |
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441 return new RawItemProfile<>(entries, types, counts, totalCount); |
4447 | 442 } |
443 | |
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444 protected abstract long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position); |
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445 |
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446 public int getNonprofiledCount(HotSpotMethodData data, int position) { |
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447 return data.readUnsignedIntAsSignedInt(position, NONPROFILED_COUNT_OFFSET); |
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448 } |
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449 |
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450 private JavaTypeProfile createTypeProfile(TriState nullSeen, RawItemProfile<ResolvedJavaType> profile) { |
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451 if (profile.entries <= 0 || profile.totalCount <= 0) { |
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452 return null; |
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453 } |
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454 |
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455 ProfiledType[] ptypes = new ProfiledType[profile.entries]; |
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456 double totalProbability = 0.0; |
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457 for (int i = 0; i < profile.entries; i++) { |
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458 double p = profile.counts[i]; |
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459 p = p / profile.totalCount; |
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460 totalProbability += p; |
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461 ptypes[i] = new ProfiledType(profile.items[i], p); |
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462 } |
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463 |
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464 Arrays.sort(ptypes); |
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465 |
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466 double notRecordedTypeProbability = profile.entries < config.typeProfileWidth ? 0.0 : Math.min(1.0, Math.max(0.0, 1.0 - totalProbability)); |
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467 assert notRecordedTypeProbability == 0 || profile.entries == config.typeProfileWidth; |
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468 return new JavaTypeProfile(nullSeen, notRecordedTypeProbability, ptypes); |
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469 } |
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470 |
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471 private static int getTypeOffset(int row) { |
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472 return TYPE_DATA_FIRST_TYPE_OFFSET + row * TYPE_DATA_ROW_SIZE; |
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473 } |
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474 |
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475 protected static int getTypeCountOffset(int row) { |
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476 return TYPE_DATA_FIRST_TYPE_COUNT_OFFSET + row * TYPE_DATA_ROW_SIZE; |
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477 } |
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478 |
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479 @Override |
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480 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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481 RawItemProfile<ResolvedJavaType> profile = getRawTypeProfile(data, pos); |
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482 TriState nullSeen = getNullSeen(data, pos); |
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483 TriState exceptionSeen = getExceptionSeen(data, pos); |
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484 sb.append(format("count(%d) null_seen(%s) exception_seen(%s) nonprofiled_count(%d) entries(%d)", getCounterValue(data, pos), nullSeen, exceptionSeen, |
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485 getNonprofiledCount(data, pos), profile.entries)); |
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486 for (int i = 0; i < profile.entries; i++) { |
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487 long count = profile.counts[i]; |
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488 sb.append(format("%n %s (%d, %4.2f)", profile.items[i].toJavaName(), count, (double) count / profile.totalCount)); |
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489 } |
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490 return sb; |
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491 } |
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492 } |
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493 |
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494 static final int TYPE_CHECK_DATA_SIZE = cellIndexToOffset(2) + TYPE_DATA_ROW_SIZE * config.typeProfileWidth; |
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495 |
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496 static class ReceiverTypeData extends AbstractTypeData { |
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497 |
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498 ReceiverTypeData(HotSpotVMConfig config, int tag) { |
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499 super(config, tag, TYPE_CHECK_DATA_SIZE); |
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500 } |
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501 |
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502 protected ReceiverTypeData(HotSpotVMConfig config, int tag, int staticSize) { |
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503 super(config, tag, staticSize); |
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504 } |
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505 |
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506 @Override |
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507 public int getExecutionCount(HotSpotMethodData data, int position) { |
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508 return -1; |
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509 } |
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510 |
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511 @Override |
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512 protected long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position) { |
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Fix logic for printing HotSpotMethodData
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513 return getNonprofiledCount(data, position); |
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514 } |
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515 } |
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516 |
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517 static final int VIRTUAL_CALL_DATA_SIZE = cellIndexToOffset(2) + TYPE_DATA_ROW_SIZE * (config.typeProfileWidth + config.methodProfileWidth); |
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518 static final int VIRTUAL_CALL_DATA_FIRST_METHOD_OFFSET = TYPE_DATA_FIRST_TYPE_OFFSET + TYPE_DATA_ROW_SIZE * config.typeProfileWidth; |
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519 static final int VIRTUAL_CALL_DATA_FIRST_METHOD_COUNT_OFFSET = TYPE_DATA_FIRST_TYPE_COUNT_OFFSET + TYPE_DATA_ROW_SIZE * config.typeProfileWidth; |
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520 |
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521 static class VirtualCallData extends ReceiverTypeData { |
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522 |
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523 VirtualCallData(HotSpotVMConfig config, int tag) { |
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524 super(config, tag, VIRTUAL_CALL_DATA_SIZE); |
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525 } |
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526 |
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527 protected VirtualCallData(HotSpotVMConfig config, int tag, int staticSize) { |
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528 super(config, tag, staticSize); |
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529 } |
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530 |
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|
531 @Override |
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532 public int getExecutionCount(HotSpotMethodData data, int position) { |
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533 final int typeProfileWidth = config.typeProfileWidth; |
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534 |
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535 long total = 0; |
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536 for (int i = 0; i < typeProfileWidth; i++) { |
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537 total += data.readUnsignedInt(position, getTypeCountOffset(i)); |
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538 } |
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539 |
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540 total += getCounterValue(data, position); |
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541 return truncateLongToInt(total); |
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542 } |
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543 |
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544 @Override |
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545 protected long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position) { |
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546 return getCounterValue(data, position); |
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547 } |
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|
548 |
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549 private static long getMethodsNotRecordedExecutionCount(HotSpotMethodData data, int position) { |
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550 return data.readUnsignedIntAsSignedInt(position, NONPROFILED_COUNT_OFFSET); |
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551 } |
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552 |
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|
553 @Override |
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554 public JavaMethodProfile getMethodProfile(HotSpotMethodData data, int position) { |
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555 return createMethodProfile(getRawMethodProfile(data, position)); |
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|
556 } |
f9d908fb3492
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|
557 |
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558 private RawItemProfile<ResolvedJavaMethod> getRawMethodProfile(HotSpotMethodData data, int position) { |
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|
559 int profileWidth = config.methodProfileWidth; |
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|
560 |
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|
561 ResolvedJavaMethod[] methods = new ResolvedJavaMethod[profileWidth]; |
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562 long[] counts = new long[profileWidth]; |
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563 long totalCount = 0; |
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564 int entries = 0; |
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|
565 |
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|
566 for (int i = 0; i < profileWidth; i++) { |
22454
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Make jvmci redefinition safe
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diff
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|
567 HotSpotResolvedJavaMethod method = data.readMethod(position, getMethodOffset(i)); |
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Make jvmci redefinition safe
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|
568 if (method != null) { |
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Make jvmci redefinition safe
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|
569 methods[entries] = method; |
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570 long count = data.readUnsignedInt(position, getMethodCountOffset(i)); |
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571 totalCount += count; |
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572 counts[entries] = count; |
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changeset
|
573 |
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Added infrastructure for recording invoked methods in the profiling information.
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|
574 entries++; |
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Added infrastructure for recording invoked methods in the profiling information.
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|
575 } |
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|
576 } |
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|
577 |
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|
578 totalCount += getMethodsNotRecordedExecutionCount(data, position); |
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|
579 return new RawItemProfile<>(entries, methods, counts, totalCount); |
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580 } |
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|
581 |
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|
582 private JavaMethodProfile createMethodProfile(RawItemProfile<ResolvedJavaMethod> profile) { |
13139
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|
583 if (profile.entries <= 0 || profile.totalCount <= 0) { |
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|
584 return null; |
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|
585 } |
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Added infrastructure for recording invoked methods in the profiling information.
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|
586 |
13139
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|
587 ProfiledMethod[] pmethods = new ProfiledMethod[profile.entries]; |
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|
588 double totalProbability = 0.0; |
13139
f9d908fb3492
added toString() to HotSpotMethodData to assist with debugging low-level profile data reading
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|
589 for (int i = 0; i < profile.entries; i++) { |
f9d908fb3492
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|
590 double p = profile.counts[i]; |
f9d908fb3492
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|
591 p = p / profile.totalCount; |
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|
592 totalProbability += p; |
13139
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|
593 pmethods[i] = new ProfiledMethod(profile.items[i], p); |
9760
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|
594 } |
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595 |
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596 Arrays.sort(pmethods); |
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597 |
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598 double notRecordedMethodProbability = profile.entries < config.methodProfileWidth ? 0.0 : Math.min(1.0, Math.max(0.0, 1.0 - totalProbability)); |
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599 assert notRecordedMethodProbability == 0 || profile.entries == config.methodProfileWidth; |
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600 return new JavaMethodProfile(notRecordedMethodProbability, pmethods); |
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601 } |
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602 |
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603 private static int getMethodOffset(int row) { |
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604 return VIRTUAL_CALL_DATA_FIRST_METHOD_OFFSET + row * TYPE_DATA_ROW_SIZE; |
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605 } |
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606 |
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607 private static int getMethodCountOffset(int row) { |
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608 return VIRTUAL_CALL_DATA_FIRST_METHOD_COUNT_OFFSET + row * TYPE_DATA_ROW_SIZE; |
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609 } |
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610 |
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611 @Override |
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612 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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613 RawItemProfile<ResolvedJavaMethod> profile = getRawMethodProfile(data, pos); |
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614 super.appendTo(sb.append(format("exception_seen(%s) ", getExceptionSeen(data, pos))), data, pos).append(format("%nmethod_entries(%d)", profile.entries)); |
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615 for (int i = 0; i < profile.entries; i++) { |
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616 long count = profile.counts[i]; |
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617 sb.append(format("%n %s (%d, %4.2f)", profile.items[i].format("%H.%n(%p)"), count, (double) count / profile.totalCount)); |
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618 } |
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619 return sb; |
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620 } |
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621 } |
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622 |
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623 static class VirtualCallTypeData extends VirtualCallData { |
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624 |
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625 VirtualCallTypeData(HotSpotVMConfig config, int tag) { |
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626 super(config, tag, 0); |
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627 } |
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628 |
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629 @Override |
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630 protected int getDynamicSize(HotSpotMethodData data, int position) { |
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631 assert staticSize == 0; |
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632 return HotSpotJVMCIRuntime.runtime().compilerToVm.methodDataProfileDataSize(data.metaspaceMethodData, position); |
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633 } |
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634 } |
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635 |
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636 static final int RET_DATA_ROW_SIZE = cellsToBytes(3); |
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637 static final int RET_DATA_SIZE = cellIndexToOffset(1) + RET_DATA_ROW_SIZE * config.bciProfileWidth; |
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638 |
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639 static class RetData extends CounterData { |
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640 |
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641 RetData(HotSpotVMConfig config, int tag) { |
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642 super(config, tag, RET_DATA_SIZE); |
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643 } |
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644 } |
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645 |
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646 static final int BRANCH_DATA_SIZE = cellIndexToOffset(3); |
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647 static final int NOT_TAKEN_COUNT_OFFSET = cellIndexToOffset(config.branchDataNotTakenOffset); |
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648 |
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649 static class BranchData extends JumpData { |
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650 |
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651 BranchData(HotSpotVMConfig config, int tag) { |
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652 super(config, tag, BRANCH_DATA_SIZE); |
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653 } |
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654 |
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655 @Override |
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656 public double getBranchTakenProbability(HotSpotMethodData data, int position) { |
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657 long takenCount = data.readUnsignedInt(position, TAKEN_COUNT_OFFSET); |
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658 long notTakenCount = data.readUnsignedInt(position, NOT_TAKEN_COUNT_OFFSET); |
4441
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659 long total = takenCount + notTakenCount; |
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660 |
9928
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Avoid graph caching if immature or no profiling information was used for graph building.
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661 return total <= 0 ? -1 : takenCount / (double) total; |
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662 } |
4444 | 663 |
664 @Override | |
665 public int getExecutionCount(HotSpotMethodData data, int position) { | |
666 long count = data.readUnsignedInt(position, TAKEN_COUNT_OFFSET) + data.readUnsignedInt(position, NOT_TAKEN_COUNT_OFFSET); | |
667 return truncateLongToInt(count); | |
668 } | |
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669 |
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670 @Override |
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671 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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672 long taken = data.readUnsignedInt(pos, TAKEN_COUNT_OFFSET); |
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673 long notTaken = data.readUnsignedInt(pos, NOT_TAKEN_COUNT_OFFSET); |
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674 double takenProbability = getBranchTakenProbability(data, pos); |
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675 return sb.append(format("taken(%d, %4.2f) not_taken(%d, %4.2f) displacement(%d)", taken, takenProbability, notTaken, 1.0D - takenProbability, getTakenDisplacement(data, pos))); |
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676 } |
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677 } |
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678 |
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679 static final int ARRAY_DATA_LENGTH_OFFSET = cellIndexToOffset(config.arrayDataArrayLenOffset); |
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680 static final int ARRAY_DATA_START_OFFSET = cellIndexToOffset(config.arrayDataArrayStartOffset); |
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681 |
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682 static class ArrayData extends HotSpotMethodDataAccessor { |
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683 |
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684 ArrayData(HotSpotVMConfig config, int tag, int staticSize) { |
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685 super(config, tag, staticSize); |
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686 } |
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687 |
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688 @Override |
4444 | 689 protected int getDynamicSize(HotSpotMethodData data, int position) { |
690 return cellsToBytes(getLength(data, position)); | |
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691 } |
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692 |
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693 protected static int getLength(HotSpotMethodData data, int position) { |
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694 return data.readInt(position, ARRAY_DATA_LENGTH_OFFSET); |
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695 } |
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696 |
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697 @Override |
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698 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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699 return sb.append(format("length(%d)", getLength(data, pos))); |
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700 } |
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701 } |
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702 |
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703 static final int MULTI_BRANCH_DATA_SIZE = cellIndexToOffset(1); |
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704 static final int MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS = config.multiBranchDataPerCaseCellCount; |
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705 static final int MULTI_BRANCH_DATA_ROW_SIZE = cellsToBytes(MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS); |
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706 static final int MULTI_BRANCH_DATA_FIRST_COUNT_OFFSET = ARRAY_DATA_START_OFFSET + cellsToBytes(0); |
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|
707 static final int MULTI_BRANCH_DATA_FIRST_DISPLACEMENT_OFFSET = ARRAY_DATA_START_OFFSET + cellsToBytes(1); |
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changeset
|
708 |
23700
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diff
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|
709 static class MultiBranchData extends ArrayData { |
4439
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changeset
|
710 |
23717
41fa89f93355
removed jdk.vm.ci.hotspot.HotSpotMethodDataAccessor.Tag (JDK-8159613)
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diff
changeset
|
711 MultiBranchData(HotSpotVMConfig config, int tag) { |
41fa89f93355
removed jdk.vm.ci.hotspot.HotSpotMethodDataAccessor.Tag (JDK-8159613)
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diff
changeset
|
712 super(config, tag, MULTI_BRANCH_DATA_SIZE); |
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|
713 } |
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|
714 |
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|
715 @Override |
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diff
changeset
|
716 public double[] getSwitchProbabilities(HotSpotMethodData data, int position) { |
4444 | 717 int arrayLength = getLength(data, position); |
718 assert arrayLength > 0 : "switch must have at least the default case"; | |
719 assert arrayLength % MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS == 0 : "array must have full rows"; | |
4441
4e3aaf14cbc6
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4440
diff
changeset
|
720 |
4444 | 721 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS; |
722 long totalCount = 0; | |
4439
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723 double[] result = new double[length]; |
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|
724 |
4447 | 725 // default case is first in HotSpot but last for the compiler |
726 long count = readCount(data, position, 0); | |
4446 | 727 totalCount += count; |
728 result[length - 1] = count; | |
729 | |
730 for (int i = 1; i < length; i++) { | |
4447 | 731 count = readCount(data, position, i); |
4444 | 732 totalCount += count; |
4446 | 733 result[i - 1] = count; |
4439
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734 } |
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parents:
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changeset
|
735 |
9928
a9311ec68721
Avoid graph caching if immature or no profiling information was used for graph building.
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parents:
9864
diff
changeset
|
736 if (totalCount <= 0) { |
4441
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737 return null; |
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738 } else { |
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739 for (int i = 0; i < length; i++) { |
4444 | 740 result[i] = result[i] / totalCount; |
4439
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741 } |
4441
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diff
changeset
|
742 return result; |
4439
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743 } |
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|
744 } |
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changeset
|
745 |
4447 | 746 private static long readCount(HotSpotMethodData data, int position, int i) { |
747 int offset; | |
748 long count; | |
749 offset = getCountOffset(i); | |
750 count = data.readUnsignedInt(position, offset); | |
751 return count; | |
752 } | |
753 | |
4439
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754 @Override |
4440
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Christian Haeubl <christian.haeubl@oracle.com>
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diff
changeset
|
755 public int getExecutionCount(HotSpotMethodData data, int position) { |
4444 | 756 int arrayLength = getLength(data, position); |
757 assert arrayLength > 0 : "switch must have at least the default case"; | |
758 assert arrayLength % MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS == 0 : "array must have full rows"; | |
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759 |
4444 | 760 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS; |
761 long totalCount = 0; | |
4439
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|
762 for (int i = 0; i < length; i++) { |
f7251c729b31
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|
763 int offset = getCountOffset(i); |
4444 | 764 totalCount += data.readUnsignedInt(position, offset); |
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changeset
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765 } |
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|
766 |
4444 | 767 return truncateLongToInt(totalCount); |
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|
768 } |
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|
769 |
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changeset
|
770 private static int getCountOffset(int index) { |
4444 | 771 return MULTI_BRANCH_DATA_FIRST_COUNT_OFFSET + index * MULTI_BRANCH_DATA_ROW_SIZE; |
4439
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changeset
|
772 } |
4452
b225da954a32
inlining of multiple trival methods at one call site works
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parents:
4448
diff
changeset
|
773 |
b225da954a32
inlining of multiple trival methods at one call site works
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diff
changeset
|
774 private static int getDisplacementOffset(int index) { |
b225da954a32
inlining of multiple trival methods at one call site works
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|
775 return MULTI_BRANCH_DATA_FIRST_DISPLACEMENT_OFFSET + index * MULTI_BRANCH_DATA_ROW_SIZE; |
b225da954a32
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diff
changeset
|
776 } |
13139
f9d908fb3492
added toString() to HotSpotMethodData to assist with debugging low-level profile data reading
Doug Simon <doug.simon@oracle.com>
parents:
12456
diff
changeset
|
777 |
f9d908fb3492
added toString() to HotSpotMethodData to assist with debugging low-level profile data reading
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changeset
|
778 @Override |
f9d908fb3492
added toString() to HotSpotMethodData to assist with debugging low-level profile data reading
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diff
changeset
|
779 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
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changeset
|
780 int entries = getLength(data, pos) / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS; |
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changeset
|
781 sb.append(format("entries(%d)", entries)); |
f9d908fb3492
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changeset
|
782 for (int i = 0; i < entries; i++) { |
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|
783 sb.append(format("%n %d: count(%d) displacement(%d)", i, data.readUnsignedInt(pos, getCountOffset(i)), data.readUnsignedInt(pos, getDisplacementOffset(i)))); |
f9d908fb3492
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changeset
|
784 } |
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added toString() to HotSpotMethodData to assist with debugging low-level profile data reading
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changeset
|
785 return sb; |
f9d908fb3492
added toString() to HotSpotMethodData to assist with debugging low-level profile data reading
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|
786 } |
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|
787 } |
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|
788 |
23717
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changeset
|
789 static final int ARG_INFO_DATA_SIZE = cellIndexToOffset(1); |
41fa89f93355
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diff
changeset
|
790 |
23700
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23297
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changeset
|
791 static class ArgInfoData extends ArrayData { |
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|
792 |
23717
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diff
changeset
|
793 ArgInfoData(HotSpotVMConfig config, int tag) { |
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changeset
|
794 super(config, tag, ARG_INFO_DATA_SIZE); |
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|
795 } |
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|
796 } |
14543
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removed ResolvedJavaMethod.getCompilerStorage(); moved last compiled graph node count into profiling info (i.e. MethodData metadata)
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diff
changeset
|
797 |
23717
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23700
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changeset
|
798 static class UnknownProfileData extends HotSpotMethodDataAccessor { |
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|
799 UnknownProfileData(HotSpotVMConfig config, int tag) { |
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changeset
|
800 super(config, tag, 0); |
22573
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Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22572
diff
changeset
|
801 } |
be44a5efeaff
HotSpotMethodData must handle profile data when TypeProfileLevel is non-zero
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changeset
|
802 |
be44a5efeaff
HotSpotMethodData must handle profile data when TypeProfileLevel is non-zero
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changeset
|
803 @Override |
be44a5efeaff
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|
804 protected int getDynamicSize(HotSpotMethodData data, int position) { |
be44a5efeaff
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22572
diff
changeset
|
805 assert staticSize == 0; |
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|
806 return HotSpotJVMCIRuntime.runtime().compilerToVm.methodDataProfileDataSize(data.metaspaceMethodData, position); |
be44a5efeaff
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changeset
|
807 } |
be44a5efeaff
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parents:
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|
808 |
be44a5efeaff
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changeset
|
809 @Override |
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changeset
|
810 public StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos) { |
23757
aaed278a9cf1
Fix logic for printing HotSpotMethodData
Tom Rodriguez <tom.rodriguez@oracle.com>
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23719
diff
changeset
|
811 sb.append("unknown profile data with tag: " + tag); |
aaed278a9cf1
Fix logic for printing HotSpotMethodData
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|
812 return sb; |
22573
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|
813 } |
be44a5efeaff
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|
814 } |
be44a5efeaff
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|
815 |
21552
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use skeleton findbugs jar containing only SuppresFBWarnings to avoid external dependency for JVMCI classes (JBS:GRAAL-53)
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diff
changeset
|
816 public void setCompiledIRSize(int size) { |
22542
15579668ec3a
renamed constant field to UNSAFE
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diff
changeset
|
817 UNSAFE.putInt(metaspaceMethodData + config.methodDataIRSizeOffset, size); |
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|
818 } |
12eaf1a47a90
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|
819 |
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diff
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|
820 public int getCompiledIRSize() { |
22542
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renamed constant field to UNSAFE
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22541
diff
changeset
|
821 return UNSAFE.getInt(metaspaceMethodData + config.methodDataIRSizeOffset); |
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|
822 } |
23717
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|
823 |
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|
824 // sorted by tag |
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|
825 // @formatter:off |
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|
826 static final HotSpotMethodDataAccessor[] PROFILE_DATA_ACCESSORS = { |
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|
827 null, |
41fa89f93355
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|
828 new BitData(config, config.dataLayoutBitDataTag), |
41fa89f93355
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|
829 new CounterData(config, config.dataLayoutCounterDataTag), |
41fa89f93355
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changeset
|
830 new JumpData(config, config.dataLayoutJumpDataTag), |
41fa89f93355
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|
831 new ReceiverTypeData(config, config.dataLayoutReceiverTypeDataTag), |
41fa89f93355
removed jdk.vm.ci.hotspot.HotSpotMethodDataAccessor.Tag (JDK-8159613)
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changeset
|
832 new VirtualCallData(config, config.dataLayoutVirtualCallDataTag), |
41fa89f93355
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|
833 new RetData(config, config.dataLayoutRetDataTag), |
41fa89f93355
removed jdk.vm.ci.hotspot.HotSpotMethodDataAccessor.Tag (JDK-8159613)
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changeset
|
834 new BranchData(config, config.dataLayoutBranchDataTag), |
41fa89f93355
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changeset
|
835 new MultiBranchData(config, config.dataLayoutMultiBranchDataTag), |
41fa89f93355
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diff
changeset
|
836 new ArgInfoData(config, config.dataLayoutArgInfoDataTag), |
41fa89f93355
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diff
changeset
|
837 new UnknownProfileData(config, config.dataLayoutCallTypeDataTag), |
41fa89f93355
removed jdk.vm.ci.hotspot.HotSpotMethodDataAccessor.Tag (JDK-8159613)
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diff
changeset
|
838 new VirtualCallTypeData(config, config.dataLayoutVirtualCallTypeDataTag), |
41fa89f93355
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changeset
|
839 new UnknownProfileData(config, config.dataLayoutParametersTypeDataTag), |
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840 new UnknownProfileData(config, config.dataLayoutSpeculativeTrapDataTag), |
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841 }; |
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842 |
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843 private static boolean checkAccessorTags() { |
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844 int expectedTag = 0; |
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845 for (HotSpotMethodDataAccessor accessor : PROFILE_DATA_ACCESSORS) { |
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846 if (expectedTag == 0) { |
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847 assert accessor == null; |
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848 } else { |
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849 assert accessor.tag == expectedTag : expectedTag + " != " + accessor.tag + " " + accessor; |
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850 } |
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851 expectedTag++; |
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852 } |
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853 return true; |
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854 } |
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855 |
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856 static { |
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857 assert checkAccessorTags(); |
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858 } |
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859 // @formatter:on |
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860 } |