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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef PROFILER_GPP_SAMPLER_H |
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20 #define PROFILER_GPP_SAMPLER_H |
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21 |
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22 #include "GeneralsConfig.h" |
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23 |
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24 #include <e32cmn.h> |
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25 |
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26 #include <piprofiler/ProfilerGenericClassesKrn.h> |
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27 #include <piprofiler/ProfilerTraces.h> |
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28 |
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29 // for RPropertyRef |
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30 #include <sproperty.h> |
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31 #include <e32cmn.h> |
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32 |
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33 /* |
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34 * |
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35 * GPP sampler definition |
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36 * |
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37 */ |
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38 class DGppSamplerImpl //: public DBase |
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39 { |
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40 public: |
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41 |
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42 DGppSamplerImpl(); |
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43 ~DGppSamplerImpl(); |
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44 |
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45 TUint8* EncodeTag(TUint8* aPtr); |
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46 TUint8* EncodeInt(TUint8* aPtr,TInt aValue); |
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47 TUint8* EncodeUint(TUint8* aPtr,TUint aValue); |
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48 TUint8* EncodeText(TUint8* aPtr, const TDesC& aDes); |
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49 |
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50 TUint8* EncodeName(TUint8* aPtr, DObject& aObject,TUint32 id); |
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51 TUint8* EncodeThread(TUint8* aPtr, DThread& aThread); |
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52 |
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53 TBool IsaTaskKnown(TUint8 task); |
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54 TUint8* EncodeIsaTask(TUint8* aPtr, TUint task); |
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55 TUint8* EncodeIsaName(TUint8* aPtr, TUint task,TBool process); |
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56 |
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57 TUint8* EncodeRepeat(TUint8* aPtr); |
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58 |
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59 TInt CreateFirstSample(); |
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60 TInt SampleImpl(); |
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61 #ifdef __SMP__ |
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62 TSpinLock* LockPtr(); |
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63 #endif |
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64 TInt iGppSamplingPeriod; |
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65 TUint8 tempBuf[512]; |
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66 TUint iLastPc; |
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67 |
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68 TBool iIsaSample; |
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69 TInt knownIsaTasks[256]; |
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70 TUint8 knownIsaTaskCount; |
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71 TInt* isaOsTaskRunningAddr; |
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72 void Reset(); |
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73 TUint32 iSampleCount; |
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74 #ifdef __SMP__ |
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75 TInt iCpuNumber; |
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76 TUint32 iStartTime; |
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77 #endif |
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78 PROFILER_DEFINE_ISA_TASK_NAME_ARRAY |
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79 |
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80 private: |
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81 enum TState {EStop,ERunning,EStopping}; |
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82 |
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83 const TUint* iInterruptStack; |
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84 |
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85 TUint iLastThread; |
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86 TUint iRepeat; |
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87 #ifndef __SMP__ |
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88 TUint32 iStartTime; |
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89 #endif |
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90 RPropertyRef iIsaStartAddr; |
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91 RPropertyRef iIsaEndAddr; |
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92 RPropertyRef iIsaPluginStatus; |
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93 RPropertyRef iIsaOsTaskRunning; |
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94 TInt iIsaStatus; |
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95 TInt iIsaStart; |
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96 TInt iIsaEnd; |
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97 TUint32 iMask; |
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98 TUint32 iCpuSelector; |
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99 }; |
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100 |
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101 struct TProfilerGppSamplerData |
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102 { |
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103 //public: |
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104 TUint32 lastPcValue; |
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105 TUint32 sampleNumber; |
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106 TInt samplingPeriod; |
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107 }; |
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108 |
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109 template <int BufferSize> |
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110 class DProfilerGppSampler : public DProfilerGenericSampler<BufferSize> |
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111 { |
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112 public: |
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113 #ifndef __SMP__ |
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114 DProfilerGppSampler(); |
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115 #else |
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116 DProfilerGppSampler(TInt aCpuNumber); |
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117 #endif |
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118 ~DProfilerGppSampler(); |
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119 |
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120 struct TProfilerGppSamplerData* GetExportData(); |
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121 void Sample(); |
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122 TInt Reset(DProfilerSampleStream* aStream, TUint32 aSyncOffset); |
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123 TInt GetPeriod(); |
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124 |
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125 private: |
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126 DGppSamplerImpl gppSamplerImpl; |
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127 struct TProfilerGppSamplerData exportData; |
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128 #ifdef __SMP__ |
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129 TInt iCpuNumber; |
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130 #endif |
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131 }; |
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132 |
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133 /* |
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134 * |
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135 * GPP sampler implementation |
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136 * |
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137 */ |
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138 #ifndef __SMP__ |
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139 template <int BufferSize> |
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140 DProfilerGppSampler<BufferSize>::DProfilerGppSampler() : |
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141 DProfilerGenericSampler<BufferSize>(PROFILER_GPP_SAMPLER_ID) |
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142 { |
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143 LOGSTRING2("CProfilerGppSampler<%d>::CProfilerGppSampler",BufferSize); |
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144 } |
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145 #else |
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146 template <int BufferSize> |
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147 DProfilerGppSampler<BufferSize>::DProfilerGppSampler(TInt aCpuNumber) : |
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148 DProfilerGenericSampler<BufferSize>(PROFILER_GPP_SAMPLER_ID+(aCpuNumber*20)), iCpuNumber(aCpuNumber) |
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149 { |
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150 LOGSTRING2("CProfilerGppSampler<%d>::CProfilerGppSampler",BufferSize); |
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151 } |
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152 #endif |
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153 |
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154 template <int BufferSize> |
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155 DProfilerGppSampler<BufferSize>::~DProfilerGppSampler() |
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156 { |
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157 LOGSTRING2("CProfilerGppSampler<%d>::~CProfilerGppSampler",BufferSize); |
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158 } |
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159 |
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160 template <int BufferSize> |
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161 TInt DProfilerGppSampler<BufferSize>::Reset(DProfilerSampleStream* aStream, TUint32 aSyncOffset) |
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162 { |
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163 LOGSTRING2("CProfilerGppSampler<%d>::Reset - calling superclass reset",BufferSize); |
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164 DProfilerGenericSampler<BufferSize>::Reset(aStream, 0); |
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165 LOGSTRING2("CProfilerGppSampler<%d>::Reset - called superclass reset",BufferSize); |
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166 |
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167 this->gppSamplerImpl.Reset(); |
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168 |
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169 #ifdef __SMP__ |
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170 this->gppSamplerImpl.iCpuNumber = this->iCpuNumber; |
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171 |
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172 // set common start time for all CPU samplers |
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173 this->gppSamplerImpl.iStartTime = aSyncOffset; |
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174 #endif |
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175 this->gppSamplerImpl.iGppSamplingPeriod = this->iSamplingPeriod; |
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176 this->gppSamplerImpl.iSampleCount = 0; |
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177 this->exportData.sampleNumber = 0; |
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178 this->exportData.lastPcValue = 0; |
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179 this->exportData.samplingPeriod = this->gppSamplerImpl.iGppSamplingPeriod; |
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180 |
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181 TInt length = gppSamplerImpl.CreateFirstSample(); |
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182 LOGSTRING3("CProfilerGPPSampler<%d>::Reset - got first sample, size %d",BufferSize,length); |
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183 |
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184 this->iSampleBuffer->AddSample(gppSamplerImpl.tempBuf,length); |
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185 |
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186 // check if sampling period > 1 ms |
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187 // NOTE: feature supported in Performance Investigator 2.01 and above |
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188 if(this->gppSamplerImpl.iGppSamplingPeriod > 1) |
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189 { |
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190 // For Address/Thread (GPP) version 2.01 or above, the first word is the sampling period in milliseconds |
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191 TUint8* w = gppSamplerImpl.tempBuf; |
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192 |
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193 (*w++) = (this->gppSamplerImpl.iGppSamplingPeriod >> 24) & 0xFF; |
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194 (*w++) = (this->gppSamplerImpl.iGppSamplingPeriod >> 16) & 0xFF; |
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195 (*w++) = (this->gppSamplerImpl.iGppSamplingPeriod >> 8) & 0xFF; |
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196 (*w++) = (this->gppSamplerImpl.iGppSamplingPeriod) & 0xFF; |
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197 |
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198 this->iSampleBuffer->AddSample(gppSamplerImpl.tempBuf,4); |
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199 } |
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200 |
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201 LOGSTRING2("CProfilerGPPSampler<%d>::Reset finished",BufferSize); |
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202 return KErrNone; |
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203 } |
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204 |
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205 template <int BufferSize> |
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206 void DProfilerGppSampler<BufferSize>::Sample() |
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207 { |
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208 LOGSTRING2("CProfilerGppSampler<%d>::Sample",BufferSize); |
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209 // if(this->gppSamplerImpl.iSampleCount % 1000 == 0) |
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210 // { |
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211 //#ifdef __SMP__ |
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212 // if(this->iCpuNumber == 0) // print sample tick only from CPU 0 context |
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213 // { |
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214 //#endif |
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215 // Kern::Printf(("PIPROF SAMPLE TICK, #%d"),exportData.sampleNumber); |
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216 //#ifdef __SMP__ |
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217 // } |
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218 //#endif |
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219 // } |
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220 |
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221 TInt length(gppSamplerImpl.SampleImpl()); |
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222 |
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223 this->gppSamplerImpl.iSampleCount++; |
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224 this->exportData.sampleNumber += this->gppSamplerImpl.iGppSamplingPeriod; |
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225 this->exportData.lastPcValue = gppSamplerImpl.iLastPc; |
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226 |
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227 if(length > 0) |
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228 { |
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229 this->iSampleBuffer->AddSample(gppSamplerImpl.tempBuf,length); |
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230 } |
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231 |
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232 LOGSTRING3("CProfilerGppSampler<%d>::Sample - length %d",BufferSize,length); |
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233 |
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234 return; |
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235 } |
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236 |
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237 |
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238 template <int BufferSize> |
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239 struct TProfilerGppSamplerData* DProfilerGppSampler<BufferSize>::GetExportData() |
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240 { |
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241 LOGSTRING2("CProfilerGppSampler<%d>::GetExportData",BufferSize); |
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242 return &(this->exportData); |
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243 } |
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244 |
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245 template <int BufferSize> |
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246 TInt DProfilerGppSampler<BufferSize>::GetPeriod() |
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247 { |
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248 return this->gppSamplerImpl.iGppSamplingPeriod; |
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249 } |
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250 |
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251 #endif |