1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #include "TimerData.h" 8 9 #include "Timer.h" 10 #include <limits> 11 12 TimerData::TimerData(int maxNumTimings) 13 : fMaxNumTimings(maxNumTimings) 14 , fCurrTiming(0) 15 , fWallTimes(maxNumTimings) 16 , fTruncatedWallTimes(maxNumTimings) 17 , fCpuTimes(maxNumTimings) 18 , fTruncatedCpuTimes(maxNumTimings) 19 , fGpuTimes(maxNumTimings) {} 20 21 bool TimerData::appendTimes(Timer* timer) { 22 SkASSERT(timer != NULL); 23 if (fCurrTiming >= fMaxNumTimings) { 24 return false; 25 } 26 27 fWallTimes[fCurrTiming] = timer->fWall; 28 fTruncatedWallTimes[fCurrTiming] = timer->fTruncatedWall; 29 fCpuTimes[fCurrTiming] = timer->fCpu; 30 fTruncatedCpuTimes[fCurrTiming] = timer->fTruncatedCpu; 31 fGpuTimes[fCurrTiming] = timer->fGpu; 32 33 ++fCurrTiming; 34 35 return true; 36 } 37 38 SkString TimerData::getResult(const char* doubleFormat, 39 Result result, 40 const char *configName, 41 uint32_t timerFlags, 42 int itersPerTiming) { 43 SkASSERT(itersPerTiming >= 1); 44 45 if (!fCurrTiming) { 46 return SkString(""); 47 } 48 49 int numTimings = fCurrTiming; 50 51 SkString wallStr(" msecs = "); 52 SkString truncWallStr(" Wmsecs = "); 53 SkString cpuStr(" cmsecs = "); 54 SkString truncCpuStr(" Cmsecs = "); 55 SkString gpuStr(" gmsecs = "); 56 57 double wallMin = std::numeric_limits<double>::max(); 58 double truncWallMin = std::numeric_limits<double>::max(); 59 double cpuMin = std::numeric_limits<double>::max(); 60 double truncCpuMin = std::numeric_limits<double>::max(); 61 double gpuMin = std::numeric_limits<double>::max(); 62 63 double wallSum = 0; 64 double truncWallSum = 0; 65 double cpuSum = 0; 66 double truncCpuSum = 0; 67 double gpuSum = 0; 68 69 for (int i = 0; i < numTimings; ++i) { 70 if (kPerIter_Result == result) { 71 wallStr.appendf(doubleFormat, fWallTimes[i] / itersPerTiming); 72 truncWallStr.appendf(doubleFormat, fTruncatedWallTimes[i] / itersPerTiming); 73 cpuStr.appendf(doubleFormat, fCpuTimes[i] / itersPerTiming); 74 truncCpuStr.appendf(doubleFormat, fTruncatedCpuTimes[i] / itersPerTiming); 75 gpuStr.appendf(doubleFormat, fGpuTimes[i] / itersPerTiming); 76 77 if (i != numTimings - 1) { 78 static const char kSep[] = ", "; 79 wallStr.append(kSep); 80 truncWallStr.append(kSep); 81 cpuStr.append(kSep); 82 truncCpuStr.append(kSep); 83 gpuStr.append(kSep); 84 } 85 } else if (kMin_Result == result) { 86 wallMin = SkTMin(wallMin, fWallTimes[i]); 87 truncWallMin = SkTMin(truncWallMin, fTruncatedWallTimes[i]); 88 cpuMin = SkTMin(cpuMin, fCpuTimes[i]); 89 truncCpuMin = SkTMin(truncCpuMin, fTruncatedCpuTimes[i]); 90 gpuMin = SkTMin(gpuMin, fGpuTimes[i]); 91 } else { 92 SkASSERT(kAvg_Result == result); 93 wallSum += fWallTimes[i]; 94 truncWallSum += fTruncatedWallTimes[i]; 95 cpuSum += fCpuTimes[i]; 96 truncCpuSum += fTruncatedCpuTimes[i]; 97 } 98 99 // We always track the GPU sum because whether it is non-zero indicates if valid gpu times 100 // were recorded at all. 101 gpuSum += fGpuTimes[i]; 102 } 103 104 if (kMin_Result == result) { 105 wallStr.appendf(doubleFormat, wallMin / itersPerTiming); 106 truncWallStr.appendf(doubleFormat, truncWallMin / itersPerTiming); 107 cpuStr.appendf(doubleFormat, cpuMin / itersPerTiming); 108 truncCpuStr.appendf(doubleFormat, truncCpuMin / itersPerTiming); 109 gpuStr.appendf(doubleFormat, gpuMin / itersPerTiming); 110 } else if (kAvg_Result == result) { 111 int divisor = numTimings * itersPerTiming; 112 wallStr.appendf(doubleFormat, wallSum / divisor); 113 truncWallStr.appendf(doubleFormat, truncWallSum / divisor); 114 cpuStr.appendf(doubleFormat, cpuSum / divisor); 115 truncCpuStr.appendf(doubleFormat, truncCpuSum / divisor); 116 gpuStr.appendf(doubleFormat, gpuSum / divisor); 117 } 118 119 SkString str; 120 str.printf(" %4s:", configName); 121 if (timerFlags & kWall_Flag) { 122 str += wallStr; 123 } 124 if (timerFlags & kTruncatedWall_Flag) { 125 str += truncWallStr; 126 } 127 if (timerFlags & kCpu_Flag) { 128 str += cpuStr; 129 } 130 if (timerFlags & kTruncatedCpu_Flag) { 131 str += truncCpuStr; 132 } 133 if ((timerFlags & kGpu_Flag) && gpuSum > 0) { 134 str += gpuStr; 135 } 136 return str; 137 } 138 139 Json::Value TimerData::getJSON(uint32_t timerFlags, 140 Result result, 141 int itersPerTiming) { 142 SkASSERT(itersPerTiming >= 1); 143 Json::Value dataNode; 144 Json::Value wallNode, truncWall, cpuNode, truncCpu, gpuNode; 145 if (!fCurrTiming) { 146 return dataNode; 147 } 148 149 int numTimings = fCurrTiming; 150 151 double wallMin = std::numeric_limits<double>::max(); 152 double truncWallMin = std::numeric_limits<double>::max(); 153 double cpuMin = std::numeric_limits<double>::max(); 154 double truncCpuMin = std::numeric_limits<double>::max(); 155 double gpuMin = std::numeric_limits<double>::max(); 156 157 double wallSum = 0; 158 double truncWallSum = 0; 159 double cpuSum = 0; 160 double truncCpuSum = 0; 161 double gpuSum = 0; 162 163 for (int i = 0; i < numTimings; ++i) { 164 if (kPerIter_Result == result) { 165 wallNode.append(fWallTimes[i] / itersPerTiming); 166 truncWall.append(fTruncatedWallTimes[i] / itersPerTiming); 167 cpuNode.append(fCpuTimes[i] / itersPerTiming); 168 truncCpu.append(fTruncatedCpuTimes[i] / itersPerTiming); 169 gpuNode.append(fGpuTimes[i] / itersPerTiming); 170 } else if (kMin_Result == result) { 171 wallMin = SkTMin(wallMin, fWallTimes[i]); 172 truncWallMin = SkTMin(truncWallMin, fTruncatedWallTimes[i]); 173 cpuMin = SkTMin(cpuMin, fCpuTimes[i]); 174 truncCpuMin = SkTMin(truncCpuMin, fTruncatedCpuTimes[i]); 175 gpuMin = SkTMin(gpuMin, fGpuTimes[i]); 176 } else { 177 SkASSERT(kAvg_Result == result); 178 wallSum += fWallTimes[i]; 179 truncWallSum += fTruncatedWallTimes[i]; 180 cpuSum += fCpuTimes[i]; 181 truncCpuSum += fTruncatedCpuTimes[i]; 182 } 183 184 // We always track the GPU sum because whether it is non-zero indicates if valid gpu times 185 // were recorded at all. 186 gpuSum += fGpuTimes[i]; 187 } 188 189 if (kMin_Result == result) { 190 wallNode.append(wallMin / itersPerTiming); 191 truncWall.append(truncWallMin / itersPerTiming); 192 cpuNode.append(cpuMin / itersPerTiming); 193 truncCpu.append(truncCpuMin / itersPerTiming); 194 gpuNode.append(gpuMin / itersPerTiming); 195 } else if (kAvg_Result == result) { 196 int divisor = numTimings * itersPerTiming; 197 wallNode.append(wallSum / divisor); 198 truncWall.append(truncWallSum / divisor); 199 cpuNode.append(cpuSum / divisor); 200 truncCpu.append(truncCpuSum / divisor); 201 gpuNode.append(gpuSum / divisor); 202 } 203 204 if (timerFlags & kWall_Flag) { 205 dataNode["wall"] = wallNode; 206 } 207 if (timerFlags & kTruncatedWall_Flag) { 208 dataNode["truncWall"] = truncWall; 209 } 210 if (timerFlags & kCpu_Flag) { 211 dataNode["cpu"] = cpuNode; 212 } 213 if (timerFlags & kTruncatedCpu_Flag) { 214 dataNode["trucCpu"] = truncCpu; 215 } 216 if ((timerFlags & kGpu_Flag) && gpuSum > 0) { 217 dataNode["gpu"] = gpuNode; 218 } 219 return dataNode; 220 } 221
