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 #include "GeneralsPlugin.h" |
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20 #include <piprofiler/EngineUIDs.h> |
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21 #include <piprofiler/ProfilerTraces.h> |
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22 |
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23 const TInt KMaxSamplerAmount = 20; |
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24 |
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25 // LITERALS |
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26 _LIT8(KEnabled, "enabled"); |
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27 _LIT8(KSamplingPeriod, "sampling_period_ms"); |
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28 _LIT8(KBracketOpen, "["); |
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29 _LIT8(KBracketClose, "]"); |
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30 |
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31 /* |
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32 * |
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33 * class CGeneralsPlugin implementation |
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34 * |
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35 */ |
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36 |
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37 CGeneralsPlugin* CGeneralsPlugin::NewL(const TUid aImplementationUid, TAny* /*aInitParams*/) |
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38 { |
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39 LOGTEXT(_L("CGeneralsPlugin::NewL() - entry")); |
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40 CGeneralsPlugin* self = new (ELeave) CGeneralsPlugin(); |
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41 CleanupStack::PushL( self ); |
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42 self->ConstructL(); |
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43 CleanupStack::Pop(); |
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44 LOGTEXT(_L("CGeneralsPlugin::NewL() - exit")); |
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45 return self; |
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46 } |
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47 |
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48 CGeneralsPlugin::CGeneralsPlugin() : |
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49 iVersionDescriptor(&(this->iVersion[1]),0,19) |
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50 { |
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51 iSamplerType = PROFILER_KERNEL_MODE_SAMPLER; |
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52 iSamplerId = PROFILER_GENERALS_SAMPLER_ID; |
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53 iBufferHandler = NULL; |
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54 iEnabled = EFalse; |
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55 LOGTEXT(_L("CGeneralsPlugin::CGeneralsPlugin() - constructor")); |
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56 } |
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57 |
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58 void CGeneralsPlugin::ConstructL() |
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59 { |
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60 LOGTEXT(_L("CGeneralsPlugin::ConstructL() - entry")); |
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61 |
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62 // create attribute array |
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63 iSamplerAttributes = new(ELeave) CArrayFixFlat<TSamplerAttributes>(KSubSamplerCount); |
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64 |
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65 TInt err = InitiateSamplerL(); |
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66 if( err != KErrNone ) |
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67 { |
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68 LOGTEXT(_L("CGeneralsPlugin::ConstructL - LEAVING, failed to load open sampler device")); |
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69 User::Leave(err); |
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70 } |
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71 |
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72 // initiate sampler attributes, i.e. settings for modification |
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73 InitiateSamplerAttributesL(); |
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74 |
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75 LOGTEXT(_L("CGeneralsPlugin::ConstructL() - exit")); |
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76 } |
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77 |
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78 |
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79 CGeneralsPlugin::~CGeneralsPlugin() |
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80 { |
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81 // clean all the members |
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82 CleanSampler(); // clean the created sampler |
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83 } |
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84 |
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85 TInt CGeneralsPlugin::InitiateSamplerL() |
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86 { |
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87 RThread me; |
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88 |
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89 LOGTEXT(_L("CGeneralsPlugin::InitiateSamplerL - #1")); |
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90 |
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91 me.SetPriority(EPriorityRealTime); |
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92 |
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93 LOGTEXT(_L("CGeneralsPlugin::InitiateSamplerL - #2")); |
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94 |
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95 // create |
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96 User::FreeLogicalDevice(KPluginSamplerName); |
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97 TInt err(KErrGeneral); |
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98 |
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99 LOGTEXT(_L("CGeneralsPlugin::InitiateSamplerL - #3")); |
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100 |
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101 err = User::LoadLogicalDevice(KPluginSamplerName); |
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102 if(err != KErrNone) |
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103 { |
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104 User::Leave(err); |
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105 } |
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106 |
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107 LOGTEXT(_L("CGeneralsPlugin::InitiateSamplerL - #4")); |
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108 |
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109 err = KErrGeneral; |
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110 |
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111 err = iGeneralsSampler.Open(); |
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112 if(err != KErrNone) |
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113 { |
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114 LOGSTRING2("CGeneralsPlugin::InitiateSamplerL - Could not open sampler device - waiting and trying again: %d", err); |
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115 User::Leave(err); |
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116 } |
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117 |
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118 LOGTEXT(_L("CGeneralsPlugin::InitiateSamplerL - #5")); |
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119 |
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120 return err; |
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121 } |
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122 |
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123 /* |
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124 * |
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125 * Default sampler attributes |
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126 * |
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127 */ |
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128 void CGeneralsPlugin::InitiateSamplerAttributesL() |
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129 { |
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130 |
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131 // |
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132 for(TInt i(0);i<KMaxSamplerAmount;i++) |
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133 { |
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134 switch(i) |
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135 { |
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136 // Usage: |
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137 // TSamplerAttributes(TUint32 aUid, |
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138 // const TDesC8& aShortName, |
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139 // const TDesC& aName, |
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140 // const TDesC& aDescription, |
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141 // TInt aSampleRate, |
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142 // TBool aEnabled, |
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143 // TBool aHidden, |
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144 // TUint32 aItemCount); |
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145 case PROFILER_GPP_SAMPLER_ID: |
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146 { |
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147 TSamplerAttributes attr(KSamplerGppPluginUid.iUid, |
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148 KGPPShortName(), |
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149 KGPPLongName(), |
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150 KGPPDescription(), |
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151 1, |
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152 ETrue, |
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153 ETrue, |
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154 0); |
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155 iSamplerAttributes->AppendL(attr); |
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156 break; |
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157 } |
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158 case PROFILER_GFC_SAMPLER_ID: |
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159 { |
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160 TSamplerAttributes attr2(KSamplerGfcPluginUid.iUid, |
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161 KGFCShortName(), |
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162 KGFCLongName(), |
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163 KGFCDescription(), |
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164 -1, |
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165 EFalse, |
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166 EFalse, |
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167 0); |
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168 this->iSamplerAttributes->AppendL(attr2); |
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169 break; |
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170 } |
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171 case PROFILER_ITT_SAMPLER_ID: |
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172 { |
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173 TSamplerAttributes attr3(KSamplerIttPluginUid.iUid, |
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174 KITTShortName(), |
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175 KITTLongName(), |
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176 KITTDescription(), |
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177 -1, |
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178 EFalse, |
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179 EFalse, |
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180 0); |
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181 this->iSamplerAttributes->AppendL(attr3); |
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182 break; |
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183 } |
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184 case PROFILER_MEM_SAMPLER_ID: |
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185 { |
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186 TSamplerAttributes attr4(KSamplerMemPluginUid.iUid, |
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187 KMEMShortName(), |
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188 KMEMLongName(), |
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189 KMEMDescription(), |
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190 3000, |
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191 EFalse, |
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192 EFalse, |
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193 0); |
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194 this->iSamplerAttributes->AppendL(attr4); |
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195 break; |
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196 } |
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197 case PROFILER_PRI_SAMPLER_ID: |
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198 { |
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199 TSamplerAttributes attr5(KSamplerPriPluginUid.iUid, |
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200 KPRIShortName(), |
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201 KPRILongName(), |
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202 KPRIDescription(), |
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203 3000, |
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204 EFalse, |
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205 EFalse, |
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206 0); |
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207 this->iSamplerAttributes->AppendL(attr5); |
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208 break; |
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209 } |
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210 } |
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211 } |
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212 } |
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213 |
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214 TInt CGeneralsPlugin::CleanSampler() |
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215 { |
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216 LOGTEXT(_L("CGeneralsPlugin::CleanSampler() - deleting buffer handler")); |
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217 // release the buffer handler |
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218 if(iBufferHandler) |
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219 { |
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220 iBufferHandler->Cancel(); |
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221 delete iBufferHandler; |
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222 iBufferHandler = NULL; |
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223 } |
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224 |
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225 LOGTEXT(_L("CGeneralsPlugin::CleanSampler() - closing sampler")); |
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226 iGeneralsSampler.Close(); |
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227 |
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228 LOGTEXT(_L("CGeneralsPlugin::CleanSampler() - Freeing sampler device")); |
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229 User::FreeLogicalDevice(KPluginSamplerName); |
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230 |
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231 // release attribute array |
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232 if(iSamplerAttributes) |
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233 { |
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234 iSamplerAttributes->Reset(); |
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235 } |
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236 delete iSamplerAttributes; |
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237 iSamplerAttributes = NULL; |
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238 |
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239 LOGTEXT(_L("CGeneralsPlugin::CleanSampler() - exit")); |
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240 |
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241 return KErrNone; |
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242 } |
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243 |
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244 // returns setting array |
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245 void CGeneralsPlugin::GetAttributesL(CArrayFixFlat<TSamplerAttributes>* aAttributes) |
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246 { |
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247 TInt count(iSamplerAttributes->Count()); |
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248 // append all sampler attributes to aAttributes array |
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249 for(TInt i(0);i<count;i++) |
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250 { |
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251 aAttributes->AppendL(iSamplerAttributes->At(i)); |
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252 } |
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253 } |
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254 |
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255 TInt CGeneralsPlugin::SetAttributesL(TSamplerAttributes aAttributes) |
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256 { |
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257 TSamplerAttributes attr; |
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258 |
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259 TInt count(iSamplerAttributes->Count()); |
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260 // loop the sub sampler attributes (by UID) |
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261 for(TInt i(0);i<count;i++) |
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262 { |
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263 attr = iSamplerAttributes->At(i); |
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264 // if UIDs match replace the old |
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265 if(attr.iUid == aAttributes.iUid) |
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266 { |
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267 // replace the old attribute container |
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268 iSamplerAttributes->Delete(i); |
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269 iSamplerAttributes->InsertL(i, aAttributes); |
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270 return KErrNone; |
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271 } |
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272 } |
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273 return KErrNotFound; |
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274 } |
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275 |
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276 /* |
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277 * Method for parsing and transforming text array settings into TSamplerAttributes (per each sub sampler), |
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278 * called by CSamplerController class |
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279 * |
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280 * @param array of raw text setting lines, e.g. [gpp]\nenabled=true\nsampling_period_ms=1\n |
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281 */ |
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282 TInt CGeneralsPlugin::ConvertRawSettingsToAttributes(CDesC8ArrayFlat* aAllSettingsArray) |
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283 { |
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284 // local literals |
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285 _LIT8(KGPPShort, "gpp"); |
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286 _LIT8(KGFCShort, "gfc"); |
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287 _LIT8(KITTShort, "itt"); |
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288 _LIT8(KMEMShort, "mem"); |
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289 _LIT8(KPRIShort, "pri"); |
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290 |
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291 TInt err(KErrNone); |
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292 |
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293 TBuf8<16> samplerSearchName; |
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294 |
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295 // loop previous settings, update value if changed |
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296 for(TInt i(0);i<KSubSamplerCount;i++) |
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297 { |
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298 // go through all the sub samplers |
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299 switch (i) |
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300 { |
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301 case 0: |
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302 samplerSearchName.Copy(KGPPShort); |
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303 break; |
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304 case 1: |
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305 samplerSearchName.Copy(KGFCShort); |
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306 break; |
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307 case 2: |
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308 samplerSearchName.Copy(KITTShort); |
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309 break; |
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310 case 3: |
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311 samplerSearchName.Copy(KMEMShort); |
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312 break; |
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313 case 4: |
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314 samplerSearchName.Copy(KPRIShort); |
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315 break; |
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316 } |
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317 |
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318 // get sampler specific settings |
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319 err = DoSetSamplerSettings(aAllSettingsArray, samplerSearchName, i); |
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320 } |
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321 |
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322 // returns KErrNone if settings found, otherwise KErrNotFound |
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323 return err; |
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324 } |
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325 |
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326 /** |
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327 * Method for searching sampler specific settings among all settings (raw setting lines read from settings file) |
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328 * |
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329 * @param aAllSettings array of all settings from settings file |
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330 * @param aSamplerName short name of sampler to be searched among the settings |
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331 * @param aIndex index number of sampler specific sampler attributes (TSamplerAttributes) |
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332 * @return KErrNone if settings found ok else KErrNotFound |
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333 */ |
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334 TInt CGeneralsPlugin::DoSetSamplerSettings(CDesC8ArrayFlat* aAllSettings, TDesC8& aSamplerName, TInt aIndex) |
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335 { |
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336 // sampler name to be searched among the all settings |
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337 TBuf8<16> samplerSearch; |
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338 samplerSearch.Copy(KBracketOpen); |
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339 samplerSearch.Append(aSamplerName); |
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340 samplerSearch.Append(KBracketClose); |
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341 |
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342 // read a line from ALL settings array |
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343 for (TInt i(0); i<aAllSettings->MdcaCount(); i++) |
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344 { |
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345 // check if this line has a setting block start, i.e. contains [xxx] in it |
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346 if (aAllSettings->MdcaPoint(i).CompareF(samplerSearch) == 0) |
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347 { |
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348 // right settings block found, now loop until the next block is found |
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349 for(TInt j(i+1);j<aAllSettings->MdcaCount();j++) |
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350 { |
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351 // check if the next settings block was found |
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352 if(aAllSettings->MdcaPoint(j).Left(1).CompareF(KBracketOpen) != 0) |
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353 { |
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354 // save found setting value directly to its owners attributes |
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355 SaveSettingToAttributes(aAllSettings->MdcaPoint(j), aIndex); |
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356 } |
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357 else |
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358 { |
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359 // next block found, return KErrNone |
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360 return KErrNone; |
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361 } |
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362 } |
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363 } |
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364 } |
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365 // no settings found for specific sampler |
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366 return KErrNotFound; |
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367 } |
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368 |
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369 /** |
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370 * Method for setting a specific descriptor (from settings file) to attribute structure |
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371 * |
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372 * @param aSetting |
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373 * @param aName |
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374 */ |
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375 void CGeneralsPlugin::SaveSettingToAttributes(const TDesC8& aSetting, TInt aIndex) |
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376 { |
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377 // local literals |
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378 _LIT8(KSettingItemSeparator, "="); |
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379 |
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380 // find the equal mark from the setting line |
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381 TInt sepPos = aSetting.Find(KSettingItemSeparator); |
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382 // check that '=' is found |
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383 if (sepPos > 0) |
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384 { |
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385 // check that the element matches |
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386 if (aSetting.Left(sepPos).CompareF(KEnabled) == 0) |
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387 { |
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388 TBool en; |
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389 CSamplerPluginInterface::Str2Bool(aSetting.Right(aSetting.Length()-sepPos-1), en); |
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390 if(en != iSamplerAttributes->At(aIndex).iEnabled) |
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391 { |
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392 iSamplerAttributes->At(aIndex).iEnabled = en; |
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393 } |
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394 } |
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395 else if (aSetting.Left(sepPos).CompareF(KSamplingPeriod) == 0) |
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396 { |
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397 TInt sr; |
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398 CSamplerPluginInterface::Str2Int(aSetting.Right(aSetting.Length()-sepPos-1), sr); |
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399 if(sr != iSamplerAttributes->At(aIndex).iSampleRate) |
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400 { |
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401 iSamplerAttributes->At(aIndex).iSampleRate = sr; |
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402 } |
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403 } |
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404 } |
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405 } |
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406 |
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407 |
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408 TUid CGeneralsPlugin::Id(TInt aSubId) const |
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409 { |
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410 if(aSubId == PROFILER_GPP_SAMPLER_ID) |
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411 return KSamplerGppPluginUid; |
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412 else if (aSubId == PROFILER_GFC_SAMPLER_ID) |
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413 return KSamplerGfcPluginUid; |
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414 else if (aSubId == PROFILER_ITT_SAMPLER_ID) |
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415 return KSamplerIttPluginUid; |
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416 else if (aSubId == PROFILER_MEM_SAMPLER_ID) |
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417 return KSamplerMemPluginUid; |
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418 else if (aSubId == PROFILER_PRI_SAMPLER_ID) |
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419 return KSamplerPriPluginUid; |
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420 else |
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421 return KSamplerGeneralsPluginUid; |
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422 } |
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423 |
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424 TInt CGeneralsPlugin::SubId(TUid aId) const |
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425 { |
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426 /* definitions from ProfilerConfig.h: |
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427 * #define PROFILER_GPP_SAMPLER_ID 1 |
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428 #define PROFILER_GFC_SAMPLER_ID 2 |
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429 #define PROFILER_ITT_SAMPLER_ID 3 |
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430 #define PROFILER_MEM_SAMPLER_ID 4 |
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431 #define PROFILER_PRI_SAMPLER_ID 5 |
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432 */ |
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433 |
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434 if(aId == KSamplerGppPluginUid) |
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435 return PROFILER_GPP_SAMPLER_ID; |
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436 else if (aId == KSamplerGfcPluginUid) |
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437 return PROFILER_GFC_SAMPLER_ID; |
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438 else if (aId == KSamplerIttPluginUid) |
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439 return PROFILER_ITT_SAMPLER_ID; |
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440 else if (aId == KSamplerMemPluginUid) |
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441 return PROFILER_MEM_SAMPLER_ID; |
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442 else if (aId == KSamplerPriPluginUid) |
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443 return PROFILER_PRI_SAMPLER_ID; |
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444 else |
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445 return KErrNotFound; |
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446 } |
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447 |
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448 TInt CGeneralsPlugin::GetSamplerType() |
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449 { |
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450 return iSamplerType; |
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451 } |
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452 |
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453 //TInt CGeneralsPlugin::GetSubCount() |
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454 // { |
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455 // return (TInt)KSubSamplerCount; |
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456 // } |
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457 |
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458 |
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459 TInt CGeneralsPlugin::GetSamplerUidByName(TDesC8& aName) |
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460 { |
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461 if(aName.Compare(KGPPShortName) == 0) |
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462 { |
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463 LOGTEXT(_L("GPP trace option")); |
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464 return KSamplerGppPluginUid.iUid; |
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465 } |
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466 else if(aName.Compare(KGFCShortName) == 0) |
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467 { |
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468 LOGTEXT(_L("GFC trace option")); |
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469 return KSamplerGfcPluginUid.iUid; |
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470 } |
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471 else if(aName.Compare(KITTShortName) == 0) |
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472 { |
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473 LOGTEXT(_L("ITT trace option")); |
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474 return KSamplerIttPluginUid.iUid; |
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475 } |
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476 else if(aName.Compare(KMEMShortName) == 0) |
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477 { |
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478 LOGTEXT(_L("MEM trace option")); |
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479 return KSamplerMemPluginUid.iUid; |
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480 } |
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481 else if(aName.Compare(KPRIShortName) == 0) |
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482 { |
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483 LOGTEXT(_L("PRI trace option")); |
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484 return KSamplerPriPluginUid.iUid; |
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485 } |
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486 |
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487 return -1; |
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488 |
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489 } |
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490 |
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491 void CGeneralsPlugin::GetCaption( TDes& aCaption, TInt aType, TInt aSubId ) const |
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492 { |
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493 if(aSubId == -1) |
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494 { |
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495 aCaption.Copy(_L("")); |
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496 return; |
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497 } |
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498 else if(aSubId == KSamplerGppPluginUid.iUid) |
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499 { |
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500 aCaption.Copy(KGPPShortName); |
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501 } |
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502 else if(aSubId == KSamplerIttPluginUid.iUid) |
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503 { |
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504 aCaption.Copy(KITTShortName); |
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505 } |
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506 else if(aSubId == KSamplerGfcPluginUid.iUid) |
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507 { |
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508 aCaption.Copy(KGFCShortName); |
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509 } |
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510 else if(aSubId == KSamplerMemPluginUid.iUid) |
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511 { |
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512 aCaption.Copy(KMEMShortName); |
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513 } |
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514 else if(aSubId == KSamplerPriPluginUid.iUid) |
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515 { |
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516 aCaption.Copy(KPRIShortName); |
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517 } |
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518 else |
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519 { |
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520 aCaption.Copy(KGENShortName); |
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521 } |
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522 |
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523 aCaption.TrimRight(); |
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524 LOGSTRING2("CGeneralsPlugin::GetCaptionL() - plug-in name: %S", &aCaption); |
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525 } |
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526 |
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527 |
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528 void CGeneralsPlugin::InstallStreamForActiveTraces(RGeneralsSampler& sampler, CProfilerSampleStream& aStream) |
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529 { |
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530 // output mode for this trace is stream |
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531 if(!iBufferHandler) |
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532 { |
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533 // stream object has not been created yet |
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534 LOGTEXT(_L("CGeneralsPlugin::InstallStreamForActiveTraces - creating stream for trace")); |
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535 |
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536 // use a 32KB buffer to transfer data from sampler to client |
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537 // commonStream = new RProfilerSampleStream(sampler,totalPrefix,32768); |
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538 TRAPD(err, iBufferHandler = CProfilerBufferHandler::NewL(aStream, sampler)); |
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539 if(err != KErrNone) |
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540 { |
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541 LOGTEXT(_L("CGeneralsPlugin::InstallStreamForActiveTraces() - No memory")); |
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542 return; |
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543 } |
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544 } |
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545 |
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546 // initiate receiving of data from the sampler device driver |
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547 if(iBufferHandler) |
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548 { |
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549 iBufferHandler->StartReceivingData(); |
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550 } |
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551 } |
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552 |
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553 void CGeneralsPlugin::SetSettingsToSamplers() |
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554 { |
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555 TSamplerAttributes attr; |
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556 |
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557 // loop through the setting attributes |
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558 for(TInt i(0);i<iSamplerAttributes->Count();i++) |
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559 { |
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560 // get the attribute container |
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561 attr = iSamplerAttributes->At(i); |
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562 |
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563 // make changes according to right sampler, NOTE! The old IDs of sub samplers (i+1)! |
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564 if(attr.iEnabled) |
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565 { |
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566 iGeneralsSampler.MarkTraceActive(i+1); |
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567 |
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568 // set enabled |
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569 iEnabled = ETrue; |
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570 } |
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571 else |
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572 { |
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573 iGeneralsSampler.MarkTraceInactive(i+1); |
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574 } |
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575 // set sampling period if available |
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576 if(attr.iSampleRate != KErrNotFound) |
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577 { |
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578 iGeneralsSampler.SetSamplingPeriod(i+1, attr.iSampleRate); |
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579 } |
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580 } |
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581 } |
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582 |
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583 TInt CGeneralsPlugin::ResetAndActivateL(CProfilerSampleStream& aStream) |
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584 { |
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585 // the sampler starting functionality |
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586 LOGTEXT(_L("CGeneralsPlugin::ResetAndActivate() - entry")); |
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587 |
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588 // now before starting the latest settings must be set to samplers itself |
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589 SetSettingsToSamplers(); |
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590 |
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591 if(Enabled()) |
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592 { |
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593 LOGTEXT(_L("CGeneralsPlugin::ResetAndActivate() - starting sampling...")); |
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594 // start sampling process of enabled sub samplers |
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595 iGeneralsSampler.StartSampling(); |
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596 LOGTEXT(_L("CGeneralsPlugin::ResetAndActivate() - installing stream for an active trace...")); |
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597 |
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598 // install the trace for enabled samplers |
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599 InstallStreamForActiveTraces(iGeneralsSampler, aStream); |
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600 LOGSTRING2("CGeneralsPlugin::ResetAndActivate() - stream installed: 0x%x", aStream); |
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601 } |
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602 |
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603 LOGTEXT(_L("CGeneralsPlugin::ResetAndActivate() - exit")); |
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604 return KErrNone; |
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605 } |
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606 |
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607 TInt CGeneralsPlugin::StopSampling() |
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608 { |
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609 // RDebug::Print(_L("CGeneralsPlugin::StopSampling() - Stopping sampler LDD")); |
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610 iGeneralsSampler.StopSampling(); |
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611 // RDebug::Print(_L("CGeneralsPlugin::StopSampling() - Sampler LDD stopped")); |
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612 |
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613 // check if bufferhandler has died |
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614 if(iBufferHandler) |
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615 { |
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616 // RDebug::Print(_L("CGeneralsPlugin::StopSampling() - Canceling the buffer handler")); |
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617 iBufferHandler->Cancel(); |
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618 delete iBufferHandler; |
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619 iBufferHandler = NULL; |
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620 } |
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621 // set enabled |
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622 iEnabled = EFalse; |
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623 // RDebug::Print(_L("CGeneralsPlugin::StopSampling() - exit")); |
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624 return KErrNone; |
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625 } |
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626 |
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627 |
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628 |
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