author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 09:07:27 +0300 | |
branch | RCL_3 |
changeset 1 | 9d347b658349 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 2008 Apple Inc. All rights reserved. |
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* Copyright (C) 2008 Cameron Zwarich <cwzwarich@uwaterloo.ca> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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* its contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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#include "config.h" |
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#include "Opcode.h" |
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|
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using namespace std; |
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namespace JSC { |
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|
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#if ENABLE(OPCODE_SAMPLING) || ENABLE(CODEBLOCK_SAMPLING) || ENABLE(OPCODE_STATS) |
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|
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const char* const opcodeNames[] = { |
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#define OPCODE_NAME_ENTRY(opcode, size) #opcode, |
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FOR_EACH_OPCODE_ID(OPCODE_NAME_ENTRY) |
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#undef OPCODE_NAME_ENTRY |
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}; |
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#endif |
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#if ENABLE(OPCODE_STATS) |
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|
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long long OpcodeStats::opcodeCounts[numOpcodeIDs]; |
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long long OpcodeStats::opcodePairCounts[numOpcodeIDs][numOpcodeIDs]; |
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int OpcodeStats::lastOpcode = -1; |
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static OpcodeStats logger; |
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OpcodeStats::OpcodeStats() |
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{ |
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for (int i = 0; i < numOpcodeIDs; ++i) |
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opcodeCounts[i] = 0; |
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for (int i = 0; i < numOpcodeIDs; ++i) |
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for (int j = 0; j < numOpcodeIDs; ++j) |
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opcodePairCounts[i][j] = 0; |
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} |
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|
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static int compareOpcodeIndices(const void* left, const void* right) |
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{ |
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long long leftValue = OpcodeStats::opcodeCounts[*(int*) left]; |
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long long rightValue = OpcodeStats::opcodeCounts[*(int*) right]; |
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if (leftValue < rightValue) |
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return 1; |
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else if (leftValue > rightValue) |
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return -1; |
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else |
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return 0; |
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} |
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static int compareOpcodePairIndices(const void* left, const void* right) |
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{ |
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pair<int, int> leftPair = *(pair<int, int>*) left; |
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long long leftValue = OpcodeStats::opcodePairCounts[leftPair.first][leftPair.second]; |
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pair<int, int> rightPair = *(pair<int, int>*) right; |
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long long rightValue = OpcodeStats::opcodePairCounts[rightPair.first][rightPair.second]; |
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|
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if (leftValue < rightValue) |
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return 1; |
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else if (leftValue > rightValue) |
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return -1; |
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else |
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return 0; |
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} |
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|
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OpcodeStats::~OpcodeStats() |
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{ |
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long long totalInstructions = 0; |
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for (int i = 0; i < numOpcodeIDs; ++i) |
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totalInstructions += opcodeCounts[i]; |
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|
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long long totalInstructionPairs = 0; |
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for (int i = 0; i < numOpcodeIDs; ++i) |
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101 |
for (int j = 0; j < numOpcodeIDs; ++j) |
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|
102 |
totalInstructionPairs += opcodePairCounts[i][j]; |
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|
103 |
|
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|
104 |
FixedArray<int, numOpcodeIDs> sortedIndices; |
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|
105 |
for (int i = 0; i < numOpcodeIDs; ++i) |
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|
106 |
sortedIndices[i] = i; |
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|
107 |
qsort(sortedIndices, numOpcodeIDs, sizeof(int), compareOpcodeIndices); |
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|
108 |
|
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|
109 |
pair<int, int> sortedPairIndices[numOpcodeIDs * numOpcodeIDs]; |
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|
110 |
pair<int, int>* currentPairIndex = sortedPairIndices; |
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|
111 |
for (int i = 0; i < numOpcodeIDs; ++i) |
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|
112 |
for (int j = 0; j < numOpcodeIDs; ++j) |
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|
113 |
*(currentPairIndex++) = make_pair(i, j); |
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|
114 |
qsort(sortedPairIndices, numOpcodeIDs * numOpcodeIDs, sizeof(pair<int, int>), compareOpcodePairIndices); |
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|
115 |
|
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|
116 |
printf("\nExecuted opcode statistics\n"); |
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|
117 |
|
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|
118 |
printf("Total instructions executed: %lld\n\n", totalInstructions); |
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|
119 |
|
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120 |
printf("All opcodes by frequency:\n\n"); |
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|
121 |
|
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|
122 |
for (int i = 0; i < numOpcodeIDs; ++i) { |
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|
123 |
int index = sortedIndices[i]; |
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|
124 |
printf("%s:%s %lld - %.2f%%\n", opcodeNames[index], padOpcodeName((OpcodeID)index, 28), opcodeCounts[index], ((double) opcodeCounts[index]) / ((double) totalInstructions) * 100.0); |
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|
125 |
} |
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|
126 |
|
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|
127 |
printf("\n"); |
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|
128 |
printf("2-opcode sequences by frequency: %lld\n\n", totalInstructions); |
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|
129 |
|
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|
130 |
for (int i = 0; i < numOpcodeIDs * numOpcodeIDs; ++i) { |
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Revision: 201037
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|
131 |
pair<int, int> indexPair = sortedPairIndices[i]; |
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132 |
long long count = opcodePairCounts[indexPair.first][indexPair.second]; |
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diff
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|
133 |
|
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134 |
if (!count) |
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|
135 |
break; |
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diff
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|
136 |
|
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|
137 |
printf("%s%s %s:%s %lld %.2f%%\n", opcodeNames[indexPair.first], padOpcodeName((OpcodeID)indexPair.first, 28), opcodeNames[indexPair.second], padOpcodeName((OpcodeID)indexPair.second, 28), count, ((double) count) / ((double) totalInstructionPairs) * 100.0); |
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|
138 |
} |
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diff
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|
139 |
|
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Revision: 201037
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|
140 |
printf("\n"); |
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Revision: 201037
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parents:
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|
141 |
printf("Most common opcodes and sequences:\n"); |
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Revision: 201037
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parents:
diff
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|
142 |
|
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Revision: 201037
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diff
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|
143 |
for (int i = 0; i < numOpcodeIDs; ++i) { |
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Revision: 201037
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parents:
diff
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|
144 |
int index = sortedIndices[i]; |
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Revision: 201037
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|
145 |
long long opcodeCount = opcodeCounts[index]; |
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diff
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|
146 |
double opcodeProportion = ((double) opcodeCount) / ((double) totalInstructions); |
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|
147 |
if (opcodeProportion < 0.0001) |
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|
148 |
break; |
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Revision: 201037
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diff
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|
149 |
printf("\n%s:%s %lld - %.2f%%\n", opcodeNames[index], padOpcodeName((OpcodeID)index, 28), opcodeCount, opcodeProportion * 100.0); |
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|
150 |
|
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|
151 |
for (int j = 0; j < numOpcodeIDs * numOpcodeIDs; ++j) { |
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|
152 |
pair<int, int> indexPair = sortedPairIndices[j]; |
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|
153 |
long long pairCount = opcodePairCounts[indexPair.first][indexPair.second]; |
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|
154 |
double pairProportion = ((double) pairCount) / ((double) totalInstructionPairs); |
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|
155 |
|
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diff
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|
156 |
if (!pairCount || pairProportion < 0.0001 || pairProportion < opcodeProportion / 100) |
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Revision: 201037
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|
157 |
break; |
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parents:
diff
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|
158 |
|
4f2f89ce4247
Revision: 201037
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|
159 |
if (indexPair.first != index && indexPair.second != index) |
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Revision: 201037
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|
160 |
continue; |
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diff
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|
161 |
|
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Revision: 201037
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diff
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|
162 |
printf(" %s%s %s:%s %lld - %.2f%%\n", opcodeNames[indexPair.first], padOpcodeName((OpcodeID)indexPair.first, 28), opcodeNames[indexPair.second], padOpcodeName((OpcodeID)indexPair.second, 28), pairCount, pairProportion * 100.0); |
4f2f89ce4247
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|
163 |
} |
4f2f89ce4247
Revision: 201037
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diff
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|
164 |
|
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Revision: 201037
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|
165 |
} |
4f2f89ce4247
Revision: 201037
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|
166 |
printf("\n"); |
4f2f89ce4247
Revision: 201037
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|
167 |
} |
4f2f89ce4247
Revision: 201037
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parents:
diff
changeset
|
168 |
|
4f2f89ce4247
Revision: 201037
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diff
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|
169 |
void OpcodeStats::recordInstruction(int opcode) |
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|
170 |
{ |
4f2f89ce4247
Revision: 201037
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|
171 |
opcodeCounts[opcode]++; |
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Revision: 201037
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diff
changeset
|
172 |
|
4f2f89ce4247
Revision: 201037
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|
173 |
if (lastOpcode != -1) |
4f2f89ce4247
Revision: 201037
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parents:
diff
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|
174 |
opcodePairCounts[lastOpcode][opcode]++; |
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Revision: 201037
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parents:
diff
changeset
|
175 |
|
4f2f89ce4247
Revision: 201037
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|
176 |
lastOpcode = opcode; |
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Revision: 201037
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|
177 |
} |
4f2f89ce4247
Revision: 201037
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diff
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|
178 |
|
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Revision: 201037
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|
179 |
void OpcodeStats::resetLastInstruction() |
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|
180 |
{ |
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Revision: 201037
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|
181 |
lastOpcode = -1; |
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|
182 |
} |
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Revision: 201037
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parents:
diff
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|
183 |
|
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Revision: 201037
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|
184 |
#endif |
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Revision: 201037
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diff
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|
185 |
|
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Revision: 201037
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diff
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|
186 |
} // namespace JSC |