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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 // |
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20 // LDD for thread time profiling |
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21 // |
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22 |
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23 #include <kern_priv.h> |
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24 #include <platform.h> |
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25 #include <arm.h> |
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26 |
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27 #ifdef __SMP__ |
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28 #include <assp/naviengine/naviengine.h> |
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29 #include <nkernsmp/arm/arm_gic.h> |
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30 #include <nkernsmp/arm/arm_tmr.h> |
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31 #endif |
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32 |
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33 #include "GeneralsDriver.h" |
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34 #include <piprofiler/PluginDriver.h> |
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35 #include <piprofiler/PluginSampler.h> |
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36 #include <piprofiler/ProfilerTraces.h> |
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37 |
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38 #include "GppSamplerImpl.h" |
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39 #include "GfcSamplerImpl.h" |
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40 #include "IttSamplerImpl.h" |
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41 #include "MemSamplerImpl.h" |
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42 #include "PriSamplerImpl.h" |
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43 |
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44 |
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45 #ifndef __SMP__ |
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46 extern TUint* IntStackPtr(); |
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47 extern void UsrModLr(TUint32*); |
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48 #endif |
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49 // for security check |
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50 #define KProfilerExeSecurUid 0x2001E5AD |
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51 static _LIT_SECURITY_POLICY_PASS(KAllowAllPolicy); |
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52 static _LIT_SECURITY_POLICY_FAIL( KDenyAllPolicy ); |
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53 |
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54 #define SEPARATE_DFC_QUEUE |
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55 // CONSTANTS |
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56 |
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57 //_LIT(DProfilerThread,"DProfilerThread"); |
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58 //const TInt KDProfilerThreadPriority = 27; |
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59 |
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60 #ifdef SEPARATE_DFC_QUEUE |
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61 const TInt KGeneralsDriverThreadPriority = 24; |
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62 _LIT(KGeneralsDriverThread, "PIGeneralsDriver"); |
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63 |
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64 #endif |
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65 |
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66 // global Dfc Que |
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67 //TDynamicDfcQue* gDfcQ; |
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68 |
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69 //#ifdef __SMP__ |
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70 // |
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71 //enum TNaviEngineAsspInterruptIdExtension |
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72 //{ |
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73 // KIntProfilerBase = 99 // Sampling profiler interrupt base. |
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74 // // Each CPU is assigned a sampling interrupt from this base |
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75 // // CPU-0's sampling interrupt is KIntIdSamplingBase + 0 |
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76 // // CPU-n's sampling interrupt is KIntIdSamplingBase + n |
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77 //}; |
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78 //#endif |
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79 |
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80 /* |
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81 * |
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82 * |
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83 * Class DGfcProfilerFactory definition |
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84 * |
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85 * |
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86 */ |
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87 |
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88 class DGeneralsProfilerFactory : public DLogicalDevice |
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89 { |
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90 public: |
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91 DGeneralsProfilerFactory(); |
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92 ~DGeneralsProfilerFactory(); |
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93 |
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94 public: |
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95 virtual TInt Install(); |
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96 virtual void GetCaps(TDes8& aDes) const; |
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97 virtual TInt Create(DLogicalChannelBase*& aChannel); |
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98 }; |
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99 |
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100 /* |
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101 * |
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102 * |
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103 * Class DGfcDriver definition |
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104 * |
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105 * |
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106 */ |
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107 class DPluginDriver; |
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108 |
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109 class DGeneralsDriver : public DPluginDriver |
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110 { |
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111 |
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112 public: |
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113 DGeneralsDriver(); |
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114 ~DGeneralsDriver(); |
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115 |
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116 private: |
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117 TInt NewStart(TInt aRate); |
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118 static void NewDoProfilerProfile(TAny*); |
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119 static void NewDoDfc(TAny*); |
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120 |
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121 // called by each core |
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122 static void Sample(TAny*); |
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123 |
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124 TInt GetSampleTime(TUint32* time); |
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125 //TInt Test(TUint32 testCase); |
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126 |
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127 TInt StartSampling(); |
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128 TInt StopSampling(); |
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129 |
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130 void InitialiseSamplerList(); |
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131 |
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132 DProfilerSamplerBase* GetSamplerForId(TInt samplerId); |
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133 TInt GetSamplerVersion(TDes* aDes); |
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134 |
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135 #ifdef __SMP__ |
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136 void UnbindInterrupts(); |
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137 #endif |
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138 TInt ProcessStreamReadRequest(TBapBuf* aBuf,TRequestStatus* aStatus); |
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139 |
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140 TInt MarkTraceActive(TInt samplerIdToActivate); |
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141 TInt MarkTraceInactive(TInt samplerIdToDisable); |
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142 TInt OutputSettingsForTrace(TInt samplerId,TInt settings); |
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143 TInt AdditionalTraceSettings(TInt samplerId,TInt settings); |
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144 TInt AdditionalTraceSettings2(TInt samplerId,TInt settings); |
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145 TInt SetSamplingPeriod(TInt /*samplerId*/,TInt settings); |
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146 private: |
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147 // create the driver in EKA-2 version |
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148 TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer); |
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149 |
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150 // receive commands and control in EKA-2 version |
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151 void HandleMsg(TMessageBase* aMsg); |
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152 private: |
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153 // timer mechanism in EKA-2 version |
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154 NTimer iTimer; |
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155 TDfc iNewDfc; |
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156 TInt iCount; |
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157 TInt iLastPcVal; |
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158 TInt iPeriod; |
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159 |
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160 // sync sample number property for synchronizing other samplers |
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161 RPropertyRef iSampleStartTimeProp; |
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162 TInt iSampleStartTime; |
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163 |
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164 DProfilerGppSampler<10000> gppSampler; |
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165 #ifdef __SMP__ |
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166 DProfilerGppSampler<10000> gppSampler2; |
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167 DProfilerGppSampler<10000> gppSampler3; |
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168 DProfilerGppSampler<10000> gppSampler4; |
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169 #endif |
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170 DProfilerGfcSampler<10000> gfcSampler; |
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171 DProfilerIttSampler<10000> ittSampler; |
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172 DProfilerMemSampler<40000> memSampler; |
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173 DProfilerPriSampler<10000> priSampler; |
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174 #ifdef __SMP__ |
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175 // DProfilerPriSampler<10000> priSampler2; |
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176 // DProfilerPriSampler<10000> priSampler3; |
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177 // DProfilerPriSampler<10000> priSampler4; |
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178 #endif |
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179 |
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180 #ifndef __SMP__ |
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181 static const TInt KSamplerAmount = 5; |
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182 #else |
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183 static const TInt KSamplerAmount = 8; |
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184 #endif |
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185 DProfilerSamplerBase* iSamplers[KSamplerAmount]; |
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186 TInt iMaxCpus; |
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187 TUint32 iStartTime; |
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188 |
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189 #ifdef SEPARATE_DFC_QUEUE |
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190 TDynamicDfcQue* iDfcQ; |
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191 #endif |
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192 }; |
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193 |
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194 /* |
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195 * |
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196 * |
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197 * Class DGeneralsProfilerFactory implementation |
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198 * |
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199 * |
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200 */ |
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201 |
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202 DECLARE_STANDARD_LDD() |
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203 { |
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204 return new DGeneralsProfilerFactory(); |
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205 } |
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206 |
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207 TInt DGeneralsProfilerFactory::Create(DLogicalChannelBase*& aChannel) |
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208 { |
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209 aChannel = new DGeneralsDriver; |
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210 return aChannel?KErrNone:KErrNoMemory; |
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211 } |
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212 |
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213 |
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214 DGeneralsProfilerFactory::DGeneralsProfilerFactory() |
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215 { |
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216 // major, minor, and build version number |
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217 iVersion=TVersion(1,0,1); |
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218 } |
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219 |
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220 DGeneralsProfilerFactory::~DGeneralsProfilerFactory() |
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221 { |
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222 // if (gDfcQ) |
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223 // { |
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224 // gDfcQ->Destroy(); |
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225 // } |
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226 } |
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227 |
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228 TInt DGeneralsProfilerFactory::Install() |
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229 { |
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230 return(SetName(&KPluginSamplerName)); |
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231 } |
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232 |
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233 void DGeneralsProfilerFactory::GetCaps(TDes8& aDes) const |
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234 { |
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235 TCapsSamplerV01 b; |
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236 |
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237 b.iVersion=TVersion(1,0,1); |
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238 |
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239 aDes.FillZ(aDes.MaxLength()); |
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240 aDes.Copy((TUint8*)&b,Min(aDes.MaxLength(),sizeof(b))); |
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241 } |
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242 |
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243 /* |
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244 * |
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245 * |
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246 * Class DGeneralsDriver implementation |
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247 * |
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248 * |
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249 */ |
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250 |
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251 DGeneralsDriver::DGeneralsDriver() : |
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252 iTimer(NewDoProfilerProfile,this), |
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253 iNewDfc(NewDoDfc,this,NULL,7), |
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254 #ifdef __SMP__ |
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255 gppSampler(0), |
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256 gppSampler2(1), |
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257 gppSampler3(2), |
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258 gppSampler4(3), |
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259 #endif |
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260 gfcSampler(gppSampler.GetExportData()), |
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261 ittSampler(gppSampler.GetExportData()), |
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262 memSampler(gppSampler.GetExportData(), PROFILER_MEM_SAMPLER_ID), |
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263 priSampler(gppSampler.GetExportData(), PROFILER_PRI_SAMPLER_ID) |
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264 #ifdef __SMP__ |
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265 // ,priSampler2(gppSampler.GetExportData(), PROFILER_PRI_SAMPLER_ID), |
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266 // priSampler3(gppSampler.GetExportData(), PROFILER_PRI_SAMPLER_ID), |
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267 // priSampler4(gppSampler.GetExportData(), PROFILER_PRI_SAMPLER_ID) |
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268 #endif |
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269 { |
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270 LOGSTRING("DGeneralsDriver::DGeneralsDriver()"); |
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271 |
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272 iState = EStopped; |
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273 iEndRequestStatus = 0; |
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274 doingDfc = 0; |
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275 sampleRunning = 0; |
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276 iSyncOffset = 0; |
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277 iStartTime = 0; |
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278 InitialiseSamplerList(); |
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279 } |
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280 |
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281 /* |
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282 * |
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283 * This method has to be changed for each new sampler |
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284 * |
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285 */ |
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286 void DGeneralsDriver::InitialiseSamplerList() |
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287 { |
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288 // initialize all samplers to zero |
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289 for(TInt i(0);i<KSamplerAmount;i++) |
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290 { |
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291 iSamplers[i] = 0; |
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292 } |
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293 |
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294 TInt i(0); |
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295 iSamplers[i] = &gppSampler;i++; |
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296 #ifdef __SMP__ |
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297 iSamplers[i] = &gppSampler2;i++; |
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298 iSamplers[i] = &gppSampler3;i++; |
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299 iSamplers[i] = &gppSampler4;i++; |
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300 #endif |
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301 iSamplers[i] = &gfcSampler;i++; |
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302 iSamplers[i] = &ittSampler;i++; |
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303 iSamplers[i] = &memSampler;i++; |
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304 iSamplers[i] = &priSampler;i++; |
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305 |
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306 #ifdef __SMP__ |
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307 // get the number of cpus |
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308 iMaxCpus = NKern::NumberOfCpus(); |
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309 #else |
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310 iMaxCpus = 0; |
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311 #endif |
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312 |
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313 // initialize synchronizing property |
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314 LOGSTRING("DGeneralsDriver::InitialiseSamplerList() - initializing property"); |
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315 TInt r(iSampleStartTimeProp.Attach(KGppPropertyCat, EGppPropertySyncSampleNumber)); |
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316 if (r!=KErrNone) |
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317 { |
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318 LOGSTRING2("DGeneralsDriver::InitialiseSamplerList() - error in attaching counter property, error %d", r); |
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319 } |
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320 LOGSTRING("DGeneralsDriver::InitialiseSamplerList() - defining properties"); |
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321 r = iSampleStartTimeProp.Define(RProperty::EInt, KAllowAllPolicy, KDenyAllPolicy, 0, NULL); |
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322 if (r!=KErrNone) |
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323 { |
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324 LOGSTRING2("DGeneralsDriver::InitialiseSamplerList() - error in defining counter property, error %d", r); |
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325 } |
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326 } |
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327 |
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328 |
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329 DProfilerSamplerBase* DGeneralsDriver::GetSamplerForId(TInt samplerIdToGet) |
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330 { |
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331 for(TInt i(0);i<KSamplerAmount;i++) |
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332 { |
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333 if(iSamplers[i]->iSamplerId == samplerIdToGet) |
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334 { |
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335 return iSamplers[i]; |
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336 } |
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337 } |
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338 return (DProfilerSamplerBase*)0; |
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339 } |
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340 |
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341 TInt DGeneralsDriver::DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer) |
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342 { |
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343 TUint8 err(KErrNone); |
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344 |
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345 if (!Kern::QueryVersionSupported(TVersion(1,0,1),aVer)) |
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346 return KErrNotSupported; |
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347 |
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348 // just for testing |
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349 #ifndef __SMP__ |
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350 LOGTEXT("Initializing the stack pointer"); |
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351 stackTop=(TUint32*)IntStackPtr(); |
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352 LOGSTRING2("Got stack pointer 0x%x",(TUint32)stackTop); |
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353 #endif |
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354 |
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355 iClient = &Kern::CurrentThread(); |
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356 err = iClient->Open(); |
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357 |
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358 DProcess* clientProcess(iClient->iOwningProcess); |
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359 if (clientProcess) |
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360 { |
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361 //Require Power Management and All Files to use this driver |
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362 // Not ideal, but better than nothing |
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363 if(!Kern::CurrentThreadHasCapability(ECapabilityPowerMgmt,__PLATSEC_DIAGNOSTIC_STRING("Checked by GeneralsDriver.ldd"))) |
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364 return KErrPermissionDenied; |
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365 if(!Kern::CurrentThreadHasCapability(ECapabilityAllFiles,__PLATSEC_DIAGNOSTIC_STRING("Checked by GeneralsDriver.ldd"))) |
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366 return KErrPermissionDenied; |
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367 |
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368 SSecurityInfo secureInfo = clientProcess->iS; |
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369 if (secureInfo.iSecureId != KProfilerExeSecurUid) |
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370 { |
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371 return KErrPermissionDenied; |
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372 } |
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373 } |
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374 |
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375 // initiate sample stream ready for collecting the trace data |
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376 iSampleStream.InsertCurrentClient(iClient); |
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377 |
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378 iTimer.Cancel(); |
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379 iNewDfc.Cancel(); |
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380 |
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381 Kern::SetThreadPriority(24); |
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382 |
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383 #ifdef SEPARATE_DFC_QUEUE |
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384 err = Kern::DynamicDfcQCreate(iDfcQ, KGeneralsDriverThreadPriority, TBuf8<32>( KGeneralsDriverThread )); |
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385 if (KErrNone == err) |
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386 { |
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387 SetDfcQ(iDfcQ); |
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388 iNewDfc.SetDfcQ(iDfcQ); |
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389 iMsgQ.Receive(); |
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390 return err; |
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391 } |
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392 #else |
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393 SetDfcQ(Kern::DfcQue0()); |
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394 iNewDfc.SetDfcQ(iDfcQ); |
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395 iMsgQ.Receive(); |
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396 #endif |
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397 return err; |
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398 } |
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399 |
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400 DGeneralsDriver::~DGeneralsDriver() |
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401 { |
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402 if (iState!=EStopped) |
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403 iTimer.Cancel(); |
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404 iNewDfc.Cancel(); |
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405 |
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406 #ifdef SEPARATE_DFC_QUEUE |
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407 if(iDfcQ) |
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408 iDfcQ->Destroy(); |
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409 #endif |
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410 |
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411 iSampleStartTimeProp.Close(); |
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412 Kern::SafeClose((DObject*&)iClient,NULL); |
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413 } |
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414 |
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415 |
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416 TInt DGeneralsDriver::GetSampleTime(TUint32* time) |
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417 { |
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418 LOGSTRING("DGeneralsDriver::GetSampleTime - entry"); |
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419 |
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420 Kern::ThreadRawWrite( iClient,(TAny*)time, |
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421 (TAny*)&gppSampler.GetExportData()->sampleNumber, |
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422 4, iClient); |
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423 |
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424 LOGSTRING("DGeneralsDriver::GetSampleTime - exit"); |
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425 |
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426 return KErrNone; |
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427 } |
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428 |
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429 |
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430 TInt DGeneralsDriver::GetSamplerVersion(TDes* aDes) |
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431 { |
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432 LOGSTRING2("DGeneralsDriver::GetSamplerVersion - 0x%x",aDes); |
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433 |
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434 TBuf8<16> aBuf; |
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435 aBuf.Append(PROFILER_SAMPLER_VERSION); |
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436 Kern::ThreadDesWrite(iClient,aDes,aBuf,0,KChunkShiftBy0,iClient); |
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437 LOGSTRING("DGeneralsDriver::GetSamplerVersion - written client descriptor"); |
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438 return KErrNone; |
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439 } |
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440 |
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441 TInt DGeneralsDriver::NewStart(TInt aDelay) |
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442 { |
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443 LOGSTRING("DGeneralsDriver::NewStart"); |
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444 iEndRequestStatus = 0; |
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445 |
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446 aDelay = Min(KMaxDelay, Max(KMinDelay, aDelay)); |
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447 |
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448 // always use this rate |
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449 iPeriod = aDelay; |
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450 |
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451 #ifdef __SMP__ |
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452 /* |
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453 * Bind and enable the sampling interupts associated with each core. |
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454 */ |
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455 TInt err(0); |
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456 |
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457 TUint32 flags = NKern::EIrqBind_Count; |
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458 |
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459 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase - 32=%d", KIntProfilerBase -32 ); |
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460 err = NKern::InterruptBind( KIntProfilerBase - 32 , DGeneralsDriver::Sample, this, flags, 0); |
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461 if(err < 0) |
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462 Kern::Printf(" InterruptBind KIntProfilerBase - 32 ret = %d", err ); |
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463 |
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464 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase + 1 - 32=%d", KIntProfilerBase + 1-32 ); |
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465 err = NKern::InterruptBind( KIntProfilerBase + 1 - 32 , DGeneralsDriver::Sample, this, flags, 0); |
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466 if(err < 0) |
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467 Kern::Printf(" InterruptBind KIntProfilerBase + 1 - 32 ret = %d", err ); |
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468 |
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469 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase + 2 - 32=%d", KIntProfilerBase + 2 - 32 ); |
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470 err = NKern::InterruptBind(KIntProfilerBase + 2 - 32 , DGeneralsDriver::Sample, this, flags, 0); |
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471 if(err < 0) |
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472 Kern::Printf(" InterruptBind KIntProfilerBase + 2 - 32 ret = %d", err ); |
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473 |
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474 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase + 3 - 32=%d", KIntProfilerBase + 3 - 32 ); |
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475 err = NKern::InterruptBind(KIntProfilerBase + 3 - 32 , DGeneralsDriver::Sample, this, flags, 0); |
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476 if(err < 0) |
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477 Kern::Printf(" InterruptBind KIntProfilerBase + 3 - 32 ret = %d", err ); |
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478 |
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479 |
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480 err = NKern::InterruptEnable(KIntProfilerBase - 32); |
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481 if(err < 0) |
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482 Kern::Printf(" InterruptEnable KIntProfilerBase - 32 ret = %d", err ); |
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483 |
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484 err = NKern::InterruptEnable(KIntProfilerBase + 1 - 32); |
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485 if(err < 0) |
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486 Kern::Printf(" InterruptEnable KIntProfilerBase + 1 - 32 ret = %d", err ); |
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487 |
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488 err = NKern::InterruptEnable(KIntProfilerBase + 2 - 32); |
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489 if(err < 0) |
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490 Kern::Printf(" InterruptEnable KIntProfilerBase + 2 - 32 ret = %d", err ); |
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491 |
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492 err = NKern::InterruptEnable(KIntProfilerBase + 3 - 32); |
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493 if(err < 0) |
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494 Kern::Printf(" InterruptEnable KIntProfilerBase + 3 - 32 ret = %d", err ); |
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495 |
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496 #endif |
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497 |
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498 iTimer.OneShot(aDelay); |
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499 |
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500 iState = ERunning; |
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501 |
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502 return KErrNone; |
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503 } |
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504 |
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505 /* |
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506 * This function is run in each interrupt |
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507 */ |
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508 // EKA-2 implementation of the sampler method |
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509 |
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510 void DGeneralsDriver::NewDoProfilerProfile(TAny* aPtr) |
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511 { |
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512 LOGSTRING("DGeneralsDriver::NewDoProfilerProfile - entry"); |
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513 |
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514 #ifdef __SMP__ |
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515 TInt currCpu(NKern::CurrentCpu()); |
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516 #endif |
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517 TInt8 postSampleNeeded(0); |
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518 DGeneralsDriver& d=*(DGeneralsDriver*)aPtr; |
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519 |
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520 if (d.iState == ERunning && d.sampleRunning == 0) |
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521 { |
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522 // start timer again |
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523 d.iTimer.Again(d.iPeriod); |
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524 d.sampleRunning++; |
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525 |
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526 #ifdef __SMP__ |
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527 // print out the sample tick |
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528 if(d.gppSampler.GetExportData()->sampleNumber% 1000 == 0) |
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529 { |
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530 Kern::Printf(("PIPROF SAMPLE TICK, #%d"), d.gppSampler.GetExportData()->sampleNumber); |
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531 } |
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532 // call the actual CPU sampling function for CPU 0 (in NaviEngine), later may be on any of the CPUs |
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533 Sample(aPtr); |
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534 |
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535 // post-sampling for NTimer interrupted CPU |
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536 postSampleNeeded += d.iSamplers[currCpu]->PostSampleNeeded(); |
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537 |
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538 /* |
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539 This is the master sampler from the watchdog timer, so |
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540 send interrupts to the other CPUs |
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541 */ |
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542 TScheduler *theSched = TScheduler::Ptr(); |
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543 GicDistributor* gicDist = (GicDistributor* )theSched->i_GicDistAddr; |
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544 |
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545 for( TInt nCpu(0); nCpu < d.iMaxCpus; nCpu++ ) |
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546 { |
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547 if( nCpu != currCpu ) |
|
548 { |
|
549 gicDist->iSoftIrq = ( 0x10000 << nCpu ) | (KIntProfilerBase + nCpu); |
|
550 } |
|
551 // post-sampling for CPUs with specifically generated interrupts |
|
552 postSampleNeeded += d.iSamplers[nCpu]->PostSampleNeeded(); |
|
553 } |
|
554 arm_dsb(); |
|
555 #endif |
|
556 // then sample the rest of non-cpu samplers |
|
557 for(TInt i(d.iMaxCpus);i<KSamplerAmount;i++) |
|
558 { |
|
559 if(d.iSamplers[i]->iEnabled) |
|
560 { |
|
561 d.iSamplers[i]->Sample(); |
|
562 postSampleNeeded += d.iSamplers[i]->PostSampleNeeded(); |
|
563 } |
|
564 } |
|
565 |
|
566 if(postSampleNeeded > 0 && d.doingDfc == 0) |
|
567 { |
|
568 d.doingDfc++; |
|
569 d.iNewDfc.Add(); |
|
570 |
|
571 d.sampleRunning--; |
|
572 return; |
|
573 } |
|
574 d.sampleRunning--; |
|
575 } |
|
576 else if (d.iState == EStopping && d.sampleRunning == 0) |
|
577 { |
|
578 // add a dfc for this final time |
|
579 d.iNewDfc.Add(); |
|
580 Kern::Printf("DGeneralsDriver::Sample - sampling added to dfc queue"); |
|
581 } |
|
582 else |
|
583 { |
|
584 // the previous sample has not finished, |
|
585 Kern::Printf("DGeneralsDriver::NewDoProfilerProfile - Profiler Sampler Error - interrupted before finished sampling!!"); |
|
586 } |
|
587 LOGSTRING("DGeneralsDriver::NewDoProfilerProfile - exit"); |
|
588 } |
|
589 |
|
590 |
|
591 |
|
592 void DGeneralsDriver::Sample(TAny* aPtr) |
|
593 { |
|
594 LOGSTRING("DGeneralsDriver::Sample - entry"); |
|
595 |
|
596 #ifdef __SMP__ |
|
597 DGeneralsDriver& d=*(DGeneralsDriver*)aPtr; |
|
598 |
|
599 // TInt currCpu(NKern::CurrentCpu()); |
|
600 |
|
601 // sample the current cpu load |
|
602 // if(d.iSamplers[currCpu]->iEnabled) |
|
603 // { |
|
604 d.iSamplers[NKern::CurrentCpu()]->Sample(); |
|
605 // postSampleNeeded += d.iSamplers[currCpu]->PostSampleNeeded(); |
|
606 // } |
|
607 #endif |
|
608 LOGSTRING("DGeneralsDriver::Sample - exit"); |
|
609 } |
|
610 /* |
|
611 * This function is run when any of the samplers |
|
612 * requires post sampling |
|
613 */ |
|
614 void DGeneralsDriver::NewDoDfc(TAny* pointer) |
|
615 { |
|
616 DGeneralsDriver& d(*((DGeneralsDriver*)pointer)); |
|
617 |
|
618 if(d.iState == ERunning) |
|
619 { |
|
620 // for all enabled samplers, perform |
|
621 // post sample if needed |
|
622 for(TInt i(0);i<KSamplerAmount;i++) |
|
623 { |
|
624 if(d.iSamplers[i]->iEnabled) |
|
625 { |
|
626 if(d.iSamplers[i]->PostSampleNeeded()) |
|
627 { |
|
628 d.iSamplers[i]->PostSample(); |
|
629 } |
|
630 } |
|
631 } |
|
632 d.doingDfc--; |
|
633 } |
|
634 |
|
635 else if(d.iState == EStopping) |
|
636 { |
|
637 // for all enabled samplers, |
|
638 // perform end sampling |
|
639 TBool releaseBuffer(false); |
|
640 for(TInt i(0);i<KSamplerAmount;i++) |
|
641 { |
|
642 if(d.iSamplers[i]->iEnabled) |
|
643 { |
|
644 LOGSTRING("DGeneralsDriver::NewDoDfc() - ending"); |
|
645 // perform end sampling for all samplers |
|
646 // stream mode samplers may be pending, if they |
|
647 // are still waiting for another client buffer |
|
648 if(d.iSamplers[i]->EndSampling() == KErrNotReady) |
|
649 { |
|
650 LOGSTRING("DGeneralsDriver::NewDoDfc() - stream data pending"); |
|
651 releaseBuffer = true; |
|
652 } |
|
653 else |
|
654 { |
|
655 LOGSTRING("DGeneralsDriver::NewDoDfc() - no data pending"); |
|
656 releaseBuffer = true; |
|
657 } |
|
658 } |
|
659 } |
|
660 |
|
661 // At the end, once all the samplers are gone through, the buffer should be released |
|
662 if (true == releaseBuffer) |
|
663 { |
|
664 LOGSTRING("DGeneralsDriver::NewDoDfc() - release the buffer"); |
|
665 d.iSampleStream.ReleaseIfPending(); |
|
666 } |
|
667 |
|
668 d.iState = EStopped; |
|
669 if(d.iEndRequestStatus != 0 && d.iClient != 0) |
|
670 { |
|
671 // sampling has ended |
|
672 Kern::RequestComplete(d.iClient,d.iEndRequestStatus,KErrNone); |
|
673 } |
|
674 } |
|
675 } |
|
676 |
|
677 |
|
678 /* |
|
679 * All controls are handled here |
|
680 */ |
|
681 |
|
682 void DGeneralsDriver::HandleMsg(TMessageBase* aMsg) |
|
683 { |
|
684 TInt r(KErrNone); |
|
685 TThreadMessage& m(*(TThreadMessage*)aMsg); |
|
686 |
|
687 LOGSTRING5("DGeneralsDriver::HandleMsg 0x%x 0x%x 0x%x 0x%x",m.Int0(),m.Int1(),m.Int2(),m.Int3()); |
|
688 |
|
689 if(m.iValue == (TInt)ECloseMsg) |
|
690 { |
|
691 LOGSTRING("DGeneralsDriver::HandleMsg - received close message"); |
|
692 iTimer.Cancel(); |
|
693 iNewDfc.Cancel(); |
|
694 |
|
695 m.Complete(KErrNone,EFalse); |
|
696 iMsgQ.CompleteAll(KErrServerTerminated); |
|
697 LOGSTRING("DGeneralsDriver::HandleMsg - cleaned up the driver!"); |
|
698 return; |
|
699 } |
|
700 |
|
701 if (m.Client()!=iClient) |
|
702 { |
|
703 LOGSTRING("DGeneralsDriver::HandleMsg - ERROR, wrong client"); |
|
704 m.PanicClient(_L("GENERALSSAMPLER"),EAccessDenied); |
|
705 return; |
|
706 } |
|
707 |
|
708 TInt id(m.iValue); |
|
709 switch(id) |
|
710 { |
|
711 //Controls are handled here |
|
712 case RPluginSampler::EMarkTraceActive: |
|
713 LOGSTRING("DGeneralsDriver::HandleMsg - EMarkTraceActive"); |
|
714 r = MarkTraceActive((TInt)m.Int0()); |
|
715 break; |
|
716 |
|
717 case RPluginSampler::EOutputSettingsForTrace: |
|
718 LOGSTRING("DGeneralsDriver::HandleMsg - EOutputSettingsForTrace"); |
|
719 r = OutputSettingsForTrace((TInt)m.Int0(),(TInt)m.Int1()); |
|
720 break; |
|
721 |
|
722 case RPluginSampler::EAdditionalTraceSettings: |
|
723 LOGSTRING("DGeneralsDriver::HandleMsg - EAdditionalTraceSettings"); |
|
724 r = AdditionalTraceSettings((TInt)m.Int0(),(TInt)m.Int1()); |
|
725 break; |
|
726 |
|
727 case RPluginSampler::EAdditionalTraceSettings2: |
|
728 LOGSTRING("DGeneralsDriver::HandleMsg - EAdditionalTraceSettings2"); |
|
729 r = AdditionalTraceSettings2((TInt)m.Int0(),(TInt)m.Int1()); |
|
730 break; |
|
731 |
|
732 case RPluginSampler::ESetSamplingPeriod: |
|
733 LOGSTRING2("DGeneralsDriver::HandleMsg - ESetSamplingPeriod %d", (TInt)m.Int1()); |
|
734 r = SetSamplingPeriod((TInt)m.Int0(),(TInt)m.Int1()); |
|
735 break; |
|
736 |
|
737 case RPluginSampler::EMarkTraceInactive: |
|
738 LOGSTRING("DGeneralsDriver::HandleMsg - EMarkTraceInactive"); |
|
739 r = MarkTraceInactive((TInt)m.Int0()); |
|
740 break; |
|
741 |
|
742 case RPluginSampler::ESample: |
|
743 LOGSTRING("DGeneralsDriver::HandleMsg - ESample"); |
|
744 //r = Sample(); // hack. Original implementation of sample just returned 0 |
|
745 r = 0; |
|
746 break; |
|
747 |
|
748 case RPluginSampler::EStartSampling: |
|
749 LOGSTRING("DGeneralsDriver::HandleMsg - EStartSampling"); |
|
750 r = StartSampling(); |
|
751 break; |
|
752 |
|
753 case RPluginSampler::EGetSampleTime: |
|
754 LOGSTRING("DGeneralsDriver::HandleMsg - EGetSampleTime"); |
|
755 r = GetSampleTime(reinterpret_cast<TUint32*>(m.Ptr0())); |
|
756 break; |
|
757 |
|
758 case RPluginSampler::EGetSamplerVersion: |
|
759 LOGSTRING("DGeneralsDriver::HandleMsg - EGetSamplerVersion"); |
|
760 r = GetSamplerVersion(reinterpret_cast<TDes*>(m.Ptr0())); |
|
761 break; |
|
762 |
|
763 case RPluginSampler::ECancelStreamRead: |
|
764 LOGSTRING("DGeneralsDriver::HandleMsg - ECancelStreamRead"); |
|
765 iStreamReadCancelStatus = reinterpret_cast<TRequestStatus*>(m.Ptr0()); |
|
766 r = ProcessStreamReadCancel(); |
|
767 break; |
|
768 |
|
769 |
|
770 // Requests are handled here |
|
771 |
|
772 case ~RPluginSampler::EStopAndWaitForEnd: |
|
773 LOGSTRING("DGeneralsDriver::HandleMsg - EStopAndWaitForEnd"); |
|
774 iEndRequestStatus = reinterpret_cast<TRequestStatus*>(m.Ptr0()); |
|
775 r = StopSampling(); |
|
776 #ifdef __SMP__ |
|
777 UnbindInterrupts(); |
|
778 #endif |
|
779 break; |
|
780 |
|
781 case ~RPluginSampler::ERequestFillThisStreamBuffer: |
|
782 LOGSTRING("DGeneralsDriver::HandleMsg - ERequestFillThisStreamBuffer"); |
|
783 r = ProcessStreamReadRequest( reinterpret_cast<TBapBuf*>(m.Ptr1()), |
|
784 reinterpret_cast<TRequestStatus*>(m.Ptr0())); |
|
785 break; |
|
786 |
|
787 default: |
|
788 LOGSTRING2("DGeneralsDriver::HandleMsg - ERROR, unknown command %d",id); |
|
789 r = KErrNotSupported; |
|
790 break; |
|
791 } |
|
792 |
|
793 LOGSTRING("DGeneralsDriver::HandleMsg - Completed"); |
|
794 m.Complete(r,ETrue); |
|
795 } |
|
796 |
|
797 #ifdef __SMP__ |
|
798 inline void DGeneralsDriver::UnbindInterrupts() |
|
799 { |
|
800 TInt err(0); |
|
801 |
|
802 // disable interrupts when sampling stops, enabled again on start |
|
803 err = NKern::InterruptDisable(KIntProfilerBase - 32); |
|
804 if(err < 0) |
|
805 Kern::Printf(" InterruptDisable KIntProfilerBase - 32 ret = %d", err ); |
|
806 |
|
807 err = NKern::InterruptDisable(KIntProfilerBase + 1 - 32); |
|
808 if(err < 0) |
|
809 Kern::Printf(" InterruptDisable KIntProfilerBase + 1 - 32 ret = %d", err ); |
|
810 |
|
811 err = NKern::InterruptDisable(KIntProfilerBase + 2 - 32); |
|
812 if(err < 0) |
|
813 Kern::Printf(" InterruptDisable KIntProfilerBase + 2 - 32 ret = %d", err ); |
|
814 |
|
815 err = NKern::InterruptDisable(KIntProfilerBase + 3 - 32); |
|
816 if(err < 0) |
|
817 Kern::Printf(" InterruptDisable KIntProfilerBase + 3 - 32 ret = %d", err ); |
|
818 |
|
819 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase - 32=%d", KIntProfilerBase -32 ); |
|
820 err = NKern::InterruptUnbind( KIntProfilerBase - 32); |
|
821 if(err < 0) |
|
822 Kern::Printf(" InterruptUnbind KIntProfilerBase - 32 ret = %d", err ); |
|
823 |
|
824 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase + 1 - 32=%d", KIntProfilerBase + 1-32 ); |
|
825 err = NKern::InterruptUnbind( KIntProfilerBase + 1 - 32); |
|
826 if(err < 0) |
|
827 Kern::Printf(" InterruptUnbind KIntProfilerBase + 1 - 32 ret = %d", err ); |
|
828 |
|
829 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase + 2 - 32=%d", KIntProfilerBase + 2 - 32 ); |
|
830 err = NKern::InterruptUnbind(KIntProfilerBase + 2 - 32); |
|
831 if(err < 0) |
|
832 Kern::Printf(" InterruptUnbind KIntProfilerBase + 2 - 32 ret = %d", err ); |
|
833 |
|
834 // Kern::Printf(" > Interrupt::InterruptBind KIntProfilerBase + 3 - 32=%d", KIntProfilerBase + 3 - 32 ); |
|
835 err = NKern::InterruptUnbind(KIntProfilerBase + 3 - 32); |
|
836 if(err < 0) |
|
837 Kern::Printf(" InterruptUnbind KIntProfilerBase + 3 - 32 ret = %d", err ); |
|
838 |
|
839 } |
|
840 #endif |
|
841 |
|
842 inline TInt DGeneralsDriver::ProcessStreamReadRequest(TBapBuf* aBuf,TRequestStatus* aStatus) |
|
843 { |
|
844 LOGSTRING("DGeneralsDriver::ProcessStreamReadRequest - entry"); |
|
845 |
|
846 // a new sample buffer has been received from the client |
|
847 iSampleStream.AddSampleBuffer(aBuf,aStatus); |
|
848 |
|
849 // check if we are waiting for the last data to be written to the client |
|
850 if(iState == EStopped) |
|
851 { |
|
852 LOGSTRING("DGeneralsDriver::ProcessStreamReadRequest state = EStopped"); |
|
853 |
|
854 // sampling has stopped and stream read cancel is pending |
|
855 // try to perform the end sampling procedure again |
|
856 TBool releaseBuffer(false); |
|
857 for(TInt i(0);i<KSamplerAmount;i++) |
|
858 { |
|
859 // only for all enabled samplers that have stream output mode |
|
860 if(iSamplers[i]->iEnabled /*&& samplers[i]->outputMode == 2*/) |
|
861 { |
|
862 //TInt pending = 0; |
|
863 // stream mode samplers may be pending, if they |
|
864 // are still waiting for another client buffer, |
|
865 // in that case, the request should be completed already |
|
866 if(iSamplers[i]->EndSampling() == KErrNotReady) |
|
867 { |
|
868 LOGSTRING("DGeneralsDriver::ProcessStreamReadRequest - still data pending"); |
|
869 releaseBuffer = true; |
|
870 } |
|
871 else |
|
872 { |
|
873 LOGSTRING("DGeneralsDriver::ProcessStreamReadRequest - no data pending"); |
|
874 releaseBuffer = true; |
|
875 } |
|
876 } |
|
877 } |
|
878 // At the end, once all the samplers are gone through, the buffer should be released |
|
879 if (true == releaseBuffer) |
|
880 { |
|
881 LOGSTRING("DGeneralsDriver::ProcessStreamReadRequest - all data copied, release the buffer"); |
|
882 iSampleStream.ReleaseIfPending(); |
|
883 } |
|
884 } |
|
885 LOGSTRING("DGeneralsDriver::ProcessStreamReadRequest - exit"); |
|
886 |
|
887 return KErrNone; |
|
888 } |
|
889 |
|
890 |
|
891 /* |
|
892 * Mark traces active or inactive, this can be done |
|
893 * only if sampling is not running |
|
894 */ |
|
895 |
|
896 inline TInt DGeneralsDriver::MarkTraceActive(TInt samplerIdToActivate) |
|
897 { |
|
898 LOGSTRING2("DGeneralsDriver::MarkTraceActive %d",samplerIdToActivate); |
|
899 |
|
900 TInt cpus(0); |
|
901 #ifdef __SMP__ |
|
902 cpus = NKern::NumberOfCpus(); |
|
903 if( samplerIdToActivate == PROFILER_GPP_SAMPLER_ID ) |
|
904 { |
|
905 for(TInt cpu(0);cpu<cpus;cpu++) |
|
906 { |
|
907 Kern::Printf("DGeneralsDriver::MarkTraceActive - activating CPU %d",cpu); |
|
908 iSamplers[cpu]->SetEnabledFlag(true); |
|
909 } |
|
910 return KErrNone; |
|
911 } |
|
912 #endif |
|
913 for(TInt i(cpus);i<KSamplerAmount;i++) |
|
914 { |
|
915 if(iSamplers[i]->iSamplerId == samplerIdToActivate) |
|
916 { |
|
917 iSamplers[i]->SetEnabledFlag(true); |
|
918 return KErrNone; |
|
919 } |
|
920 } |
|
921 |
|
922 LOGSTRING2("DGeneralsDriver::MarkTraceActive - %d not supported",samplerIdToActivate); |
|
923 return KErrNotSupported; |
|
924 } |
|
925 |
|
926 inline TInt DGeneralsDriver::MarkTraceInactive(TInt samplerIdToDisable) |
|
927 { |
|
928 LOGSTRING2("DGeneralsDriver::MarkTraceInactive %d",samplerIdToDisable); |
|
929 |
|
930 TInt cpus(0); |
|
931 #ifdef __SMP__ |
|
932 cpus = NKern::NumberOfCpus(); |
|
933 if( samplerIdToDisable == PROFILER_GPP_SAMPLER_ID ) |
|
934 { |
|
935 for(TInt cpu(0);cpu<cpus;cpu++) |
|
936 { |
|
937 iSamplers[cpu]->SetEnabledFlag(false); |
|
938 } |
|
939 return KErrNone; |
|
940 } |
|
941 #endif |
|
942 for(TInt i(cpus);i<KSamplerAmount;i++) |
|
943 { |
|
944 if(iSamplers[i]->iSamplerId == samplerIdToDisable) |
|
945 { |
|
946 iSamplers[i]->SetEnabledFlag(false); |
|
947 return KErrNone; |
|
948 } |
|
949 } |
|
950 |
|
951 LOGSTRING2("DGeneralsDriver::MarkTraceInactive - %d not supported",samplerIdToDisable); |
|
952 return KErrNotSupported; |
|
953 } |
|
954 |
|
955 /* |
|
956 * Set output settings for a trace |
|
957 */ |
|
958 |
|
959 inline TInt DGeneralsDriver::OutputSettingsForTrace(TInt samplerId,TInt settings) |
|
960 { |
|
961 LOGSTRING3("DGeneralsDriver::OutputSettingsForTrace id:%d set:%d",samplerId,settings); |
|
962 |
|
963 TInt cpus(0); |
|
964 #ifdef __SMP__ |
|
965 cpus = NKern::NumberOfCpus(); |
|
966 if( samplerId == PROFILER_GPP_SAMPLER_ID ) |
|
967 { |
|
968 for(TInt cpu(0);cpu<cpus;cpu++) |
|
969 { |
|
970 iSamplers[cpu]->SetOutputCombination(settings); |
|
971 } |
|
972 return KErrNone; |
|
973 } |
|
974 #endif |
|
975 for(TInt i(cpus);i<KSamplerAmount;i++) |
|
976 { |
|
977 if(iSamplers[i]->iSamplerId == samplerId) |
|
978 { |
|
979 iSamplers[i]->SetOutputCombination(settings); |
|
980 return KErrNone; |
|
981 } |
|
982 } |
|
983 |
|
984 return KErrNotSupported; |
|
985 } |
|
986 |
|
987 /* |
|
988 * Set additional settings for a trace |
|
989 */ |
|
990 |
|
991 inline TInt DGeneralsDriver::AdditionalTraceSettings(TInt samplerId,TInt settings) |
|
992 { |
|
993 LOGSTRING3("DGeneralsDriver::SetAdditionalTraceSettings id:%d set:%d",samplerId,settings); |
|
994 |
|
995 TInt cpus(0); |
|
996 #ifdef __SMP__ |
|
997 cpus = NKern::NumberOfCpus(); |
|
998 if( samplerId == PROFILER_GPP_SAMPLER_ID ) |
|
999 { |
|
1000 for(TInt cpu(0);cpu<cpus;cpu++) |
|
1001 { |
|
1002 iSamplers[cpu]->SetAdditionalSettings(settings); |
|
1003 } |
|
1004 return KErrNone; |
|
1005 } |
|
1006 #endif |
|
1007 for(TInt i(cpus);i<KSamplerAmount;i++) |
|
1008 { |
|
1009 if(iSamplers[i]->iSamplerId == samplerId) |
|
1010 { |
|
1011 iSamplers[i]->SetAdditionalSettings(settings); |
|
1012 return KErrNone; |
|
1013 } |
|
1014 } |
|
1015 |
|
1016 return KErrNotSupported; |
|
1017 } |
|
1018 |
|
1019 inline TInt DGeneralsDriver::AdditionalTraceSettings2(TInt samplerId,TInt settings) |
|
1020 { |
|
1021 LOGSTRING3("DGeneralsDriver::SetAdditionalTraceSettings id:%d set:%d",samplerId,settings); |
|
1022 |
|
1023 TInt cpus(0); |
|
1024 #ifdef __SMP__ |
|
1025 cpus = NKern::NumberOfCpus(); |
|
1026 if( samplerId == PROFILER_GPP_SAMPLER_ID ) |
|
1027 { |
|
1028 for(TInt cpu(0);cpu<cpus;cpu++) |
|
1029 { |
|
1030 iSamplers[cpu]->SetAdditionalSettings2(settings); |
|
1031 } |
|
1032 return KErrNone; |
|
1033 } |
|
1034 #endif |
|
1035 for(TInt i(cpus);i<KSamplerAmount;i++) |
|
1036 { |
|
1037 if(iSamplers[i]->iSamplerId == samplerId) |
|
1038 { |
|
1039 iSamplers[i]->SetAdditionalSettings2(settings); |
|
1040 return KErrNone; |
|
1041 } |
|
1042 } |
|
1043 |
|
1044 return KErrNotSupported; |
|
1045 } |
|
1046 |
|
1047 inline TInt DGeneralsDriver::SetSamplingPeriod(TInt samplerId,TInt settings) |
|
1048 { |
|
1049 LOGSTRING2("DGeneralsDriver::SetSamplingPeriod - set:%d",settings); |
|
1050 |
|
1051 TInt cpus(0); |
|
1052 #ifdef __SMP__ |
|
1053 cpus = NKern::NumberOfCpus(); |
|
1054 if( samplerId == PROFILER_GPP_SAMPLER_ID ) |
|
1055 { |
|
1056 for(TInt cpu(0);cpu<cpus;cpu++) |
|
1057 { |
|
1058 iSamplers[cpu]->SetSamplingPeriod(settings); |
|
1059 } |
|
1060 return KErrNone; |
|
1061 } |
|
1062 #endif |
|
1063 for(TInt i(cpus);i<KSamplerAmount;i++) |
|
1064 { |
|
1065 if(iSamplers[i]->iSamplerId == samplerId) |
|
1066 { |
|
1067 iSamplers[i]->SetSamplingPeriod(settings); |
|
1068 return KErrNone; |
|
1069 } |
|
1070 } |
|
1071 |
|
1072 return KErrNotSupported; |
|
1073 } |
|
1074 |
|
1075 /* |
|
1076 * Mark traces active or inactive, this can be done |
|
1077 * only if sampling is not running |
|
1078 */ |
|
1079 |
|
1080 TInt DGeneralsDriver::StartSampling() |
|
1081 { |
|
1082 LOGSTRING("DGeneralsDriver::StartSampling"); |
|
1083 |
|
1084 if(iState == EStopped) |
|
1085 { |
|
1086 // reset iSampleStartTimeProp property value |
|
1087 iSampleStartTime = NKern::TickCount(); // get the system tick value for sync purposes |
|
1088 #ifdef __SMP__ |
|
1089 iStartTime = (iSampleStartTime & 0xfffffff0); |
|
1090 #endif |
|
1091 TInt r(iSampleStartTimeProp.Set(iSampleStartTime)); |
|
1092 |
|
1093 Kern::Printf(("PIPROF SAMPLE TICK, #0")); // for remote profiling with Profiler Activator |
|
1094 |
|
1095 // reset all enabled samplers |
|
1096 for(TInt i(0);i<KSamplerAmount;i++) |
|
1097 { |
|
1098 if(iSamplers[i]->iEnabled) |
|
1099 { |
|
1100 // reset with stream option |
|
1101 #ifndef __SMP__ |
|
1102 Kern::Printf(("DGeneralsDriver::StartSampling - stream reset for generals driver, sync offset %d"), 0); |
|
1103 iSamplers[i]->Reset(&iSampleStream, 0); |
|
1104 #else |
|
1105 Kern::Printf(("DGeneralsDriver::StartSampling - stream reset for generals driver, start time %d"), iStartTime); |
|
1106 iSamplers[i]->Reset(&iSampleStream, iStartTime); |
|
1107 #endif |
|
1108 } |
|
1109 } |
|
1110 |
|
1111 NewStart(gppSampler.GetPeriod()); |
|
1112 return KErrNone; |
|
1113 } |
|
1114 else |
|
1115 { |
|
1116 return KErrGeneral; |
|
1117 } |
|
1118 } |
|
1119 |
|
1120 /* |
|
1121 * Mark traces active or inactive, this can be done |
|
1122 * only if sampling is not running |
|
1123 */ |
|
1124 |
|
1125 TInt DGeneralsDriver::StopSampling() |
|
1126 { |
|
1127 LOGSTRING("DGeneralsDriver::StopSampling"); |
|
1128 |
|
1129 if(iState == ERunning) |
|
1130 { |
|
1131 this->iState = EStopping; |
|
1132 // reset all enabled samplers |
|
1133 for(TInt i(0);i<KSamplerAmount;i++) |
|
1134 { |
|
1135 // do the reset only for memory sampler |
|
1136 if(iSamplers[i]->iEnabled && iSamplers[i]->iSamplerId == 4) |
|
1137 { |
|
1138 // reset with stream option |
|
1139 LOGTEXT(("DGeneralsDriver::StopSampling - stream reset for samplers")); |
|
1140 iSamplers[i]->Reset(&iSampleStream, 999999); |
|
1141 } |
|
1142 } |
|
1143 |
|
1144 return KErrNone; |
|
1145 } |
|
1146 else |
|
1147 { |
|
1148 return KErrGeneral; |
|
1149 } |
|
1150 } |
|
1151 |
|
1152 |