author | Matti Laitinen <matti.t.laitinen@nokia.com> |
Thu, 11 Feb 2010 15:52:57 +0200 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#ifndef __PROFILER_SESSION_H__ |
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#define __PROFILER_SESSION_H__ |
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#include <e32base.h> |
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#include <e32svr.h> |
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#include <piprofiler/ProfilerConfig.h> |
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#include <piprofiler/ProfilerVersion.h> |
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#include <piprofiler/ProfilerTraces.h> |
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#include <piprofiler/ProfilerAttributes.h> |
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_LIT(KProfilerName,"PIProfilerEngine"); |
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/** |
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* The RProfiler class provides a functional interface to the sampling profiler. |
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* |
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* The engine must already be running for this interface to work, this can be |
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* achieved by executing PIProfilerEngine.exe. The control methods are all static, and |
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* require no other context. |
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*/ |
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NONSHARABLE_CLASS( RProfiler ) : public RSessionBase |
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{ |
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public: |
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enum TCommand { |
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// profiler controls |
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EStartSampling = 1, |
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EStopSampling, |
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// ELoadSettings, |
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EExitProfiler, |
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EFinalise, |
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// general attributes |
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EGetGeneralAttributes, |
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EGetSamplerAttributes, |
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EGetSamplerAttributeCount, |
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ESetGeneralAttributes, |
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ESetSamplerAttributes, |
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// generic settings |
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ESetTraceFilePrefix, |
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ESetTraceFileDrive, |
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EGetSamplerVersion, |
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EGetFileName, |
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EGetActiveWriter, |
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ERefreshProfilerStatus |
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}; |
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enum TSamplerState { |
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EIdle = 0, |
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EInitializing, |
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ERunning, |
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EStopping, |
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EStopped |
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}; |
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public: |
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/* |
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* |
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* Methods for commanding Profiler Engine |
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* |
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*/ |
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// get general settings |
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static inline TInt GetGeneralAttributes(TGeneralAttributes& aAttributes); |
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// get samplers; names, settings, states, descriptions etc. in one array containing all sampler attributes |
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static inline TInt GetSamplerAttributes(CArrayFixFlat<TSamplerAttributes>& aAttributeArray); |
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// save settings back to engine and plugins |
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static inline TInt SetGeneralAttributes(TGeneralAttributes aAttributes); |
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// save settings back to engine and plugins |
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static inline TInt SetSamplerAttributes(TSamplerAttributes aAttributes); |
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// refresh profiler engine status |
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static inline TInt RefreshProfilerStatus(); |
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/** Start sampling */ |
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static inline TInt StartSampling(); |
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/** Stop sampling */ |
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static inline TInt StopSampling(); |
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/** Load settings */ |
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// static inline TInt LoadSettings(TDesC& aSettingsFile); |
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/** Exit profiler */ |
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static inline TInt ExitProfiler(); |
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/** Get file name */ |
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static inline TInt GetFileName(TDes&); |
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/** Get active writer */ |
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static inline TInt GetActiveWriter(TDes&); |
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/** Perform a test case */ |
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static inline TInt Test(TUint32 testCase); |
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/** Issue a control request to the engine without data*/ |
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static inline TInt ControlState(TCommand aRequest); |
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/** Issue a control request to the engine with descriptor data to write there*/ |
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114 |
static inline TInt ControlWrite(TCommand aRequest,TDesC& data); |
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115 |
/** Issue a control request to the engine with numeric and descriptor data to write there*/ |
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116 |
static inline TInt ControlWrite(TCommand aRequest,TInt numData, TDesC& data); |
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117 |
/** Issue a control request to read descriptor data from the engine*/ |
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118 |
static inline TInt ControlRead(TCommand aRequest,TDes& data); |
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119 |
/** Actually sends the message to profiler engine*/ |
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static inline TInt PerformControl( TCommand aRequest, |
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TDesC* fromDescriptor = NULL, |
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TUint32 numData1 = 0, |
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TDes* toDescriptor = NULL, |
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124 |
TUint32 numData2 = 0xffffffff); |
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125 |
|
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126 |
private: |
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127 |
inline RProfiler(); |
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128 |
}; |
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129 |
|
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130 |
inline RProfiler::RProfiler() |
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131 |
{} |
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132 |
|
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133 |
// |
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134 |
// Connect to the profiler engine, and issue the control request if successful |
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135 |
// |
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136 |
inline TInt RProfiler::ControlState(TCommand aRequest) |
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137 |
{ return PerformControl(aRequest); } |
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138 |
|
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139 |
// |
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140 |
// Connect to the profiler engine, and issue the control request if successful |
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141 |
// |
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142 |
inline TInt RProfiler::ControlWrite(TCommand aRequest,TDesC& data) |
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143 |
{ return PerformControl(aRequest,&data,0); } |
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144 |
|
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145 |
// |
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146 |
// Connect to the profiler engine, and issue the control request if successful |
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147 |
// |
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148 |
inline TInt RProfiler::ControlWrite(TCommand aRequest,TInt numData, TDesC& data) |
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149 |
{ return PerformControl(aRequest,&data,numData); } |
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150 |
|
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151 |
// |
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152 |
// Connect to the profiler engine, and issue the control request if successful |
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153 |
// |
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154 |
inline TInt RProfiler::ControlRead(TCommand aRequest,TDes& data) |
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155 |
{ return PerformControl(aRequest,0,0,&data); } |
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156 |
|
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157 |
inline TInt RProfiler::PerformControl(TCommand aRequest,TDesC* fromDescriptor,TUint32 numData1,TDes* toDescriptor,TUint32 numData2) |
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158 |
{ |
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159 |
LOGTEXT(_L("Creating a session to profiler")); |
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160 |
RProfiler p; |
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161 |
TUint count(0); |
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162 |
TInt r(KErrNone); |
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163 |
|
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164 |
// in boot measurement mode, count until 30s |
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165 |
#ifdef PROFILER_BOOT_MEASUREMENT |
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166 |
while(count < 60) |
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167 |
#else |
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168 |
while(count < 6) |
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169 |
#endif |
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170 |
{ |
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171 |
r = p.CreateSession(KProfilerName, TVersion(), 0); |
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172 |
if (r == KErrNone) |
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173 |
{ |
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174 |
LOGSTRING2("Succeeded, sending a message %d", aRequest); |
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175 |
LOGSTRING5(" - parameters 0x%x 0x%x 0x%x 0x%x",fromDescriptor,numData1,toDescriptor,numData2); |
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176 |
TInt err = KErrNone; |
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177 |
|
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178 |
TIpcArgs a; |
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179 |
a.Set(0,fromDescriptor); |
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180 |
a.Set(1,numData1); |
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181 |
a.Set(2,toDescriptor); |
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182 |
a.Set(3,numData2); |
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183 |
err = p.SendReceive(aRequest,a); |
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184 |
|
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185 |
p.RSessionBase::Close(); |
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186 |
|
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187 |
if(err != KErrNone) |
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188 |
{ |
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189 |
LOGSTRING2("RProfiler responded with an error - code %d !!",err); |
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190 |
return err; |
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191 |
} |
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192 |
else |
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193 |
{ |
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194 |
LOGTEXT(_L("OK, message sent, closing")); |
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195 |
return KErrNone; |
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196 |
} |
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197 |
} |
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198 |
|
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199 |
LOGSTRING2("Error in opening session to profiler - code %d !!",r); |
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200 |
//#ifdef PROFILER_BOOT_MEASUREMENT |
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201 |
// there was an error contacting the Profiler |
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202 |
// indicates that the server is most probably not up |
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203 |
// however, since it should be(unless some resource is not yet ready) |
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204 |
// we can just wait |
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205 |
User::After(500000); // wait 1/2 s |
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206 |
count++; |
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207 |
//#else |
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208 |
// exit immediately on error |
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209 |
//return r; |
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210 |
//#endif |
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211 |
} |
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212 |
return r; |
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213 |
} |
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214 |
|
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215 |
// the new UI access methods |
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216 |
inline TInt RProfiler::GetGeneralAttributes(TGeneralAttributes& aAttributes) |
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217 |
{ |
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218 |
#ifdef _TEST_ |
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219 |
_LIT(KDefaultTraceOutput,"debug_output"); |
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220 |
_LIT(KDefaultTraceFilePrefix,"PIProfiler_#"); |
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221 |
_LIT(KDefaultTraceFileSaveDrive,"E:\\"); |
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222 |
aAttributes.iTraceOutput.Copy(KDefaultTraceOutput); |
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223 |
aAttributes.iTraceFilePrefix.Copy(KDefaultTraceFilePrefix); |
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224 |
aAttributes.iSaveFileDrive.Copy(KDefaultTraceFileSaveDrive); |
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225 |
#else |
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LOGTEXT(_L("Creating a session to profiler")); |
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RProfiler p; |
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228 |
TInt r(KErrNone); |
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r = p.CreateSession(KProfilerName, TVersion(), 0); |
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if (r == KErrNone) |
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231 |
{ |
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LOGSTRING2("Succeeded, sending a message %d", EGetGeneralAttributes); |
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233 |
|
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TPckg<TGeneralAttributes> attrPckg(aAttributes); |
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TIpcArgs a(&attrPckg); |
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r = p.SendReceive(RProfiler::EGetGeneralAttributes,a); |
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237 |
|
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238 |
p.RSessionBase::Close(); |
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239 |
|
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240 |
if(r != KErrNone) |
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241 |
{ |
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LOGSTRING2("Profiler responded with an error - code %d !!",r); |
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return r; |
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} |
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245 |
else |
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246 |
{ |
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LOGTEXT(_L("OK, message sent, closing")); |
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248 |
return KErrNone; |
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249 |
} |
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250 |
} |
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251 |
#endif |
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252 |
return r; // return error code |
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253 |
} |
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inline TInt RProfiler::GetSamplerAttributes(CArrayFixFlat<TSamplerAttributes>& aAttributes) |
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255 |
{ |
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#ifdef _TEST_ |
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_LIT(KDefaultTraceOutput,"debug_output"); |
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_LIT(KDefaultTraceFilePrefix,"PIProfiler_#"); |
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_LIT(KDefaultTraceFileSaveDrive,"E:\\"); |
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aAttributes.iTraceOutput.Copy(KDefaultTraceOutput); |
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aAttributes.iTraceFilePrefix.Copy(KDefaultTraceFilePrefix); |
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aAttributes.iSaveFileDrive.Copy(KDefaultTraceFileSaveDrive); |
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263 |
#else |
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// do receive stream of TSamplerAttributes |
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265 |
LOGTEXT(_L("Creating a session to profiler")); |
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266 |
RProfiler p; |
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267 |
TInt r(KErrNone); |
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r = p.CreateSession(KProfilerName, TVersion(), 0); |
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269 |
if (r == KErrNone) |
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270 |
{ |
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271 |
TInt attrCount(0); |
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TPckg<TInt> pckg(attrCount); |
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TIpcArgs args(&pckg); |
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274 |
|
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r = p.SendReceive(RProfiler::EGetSamplerAttributeCount, args); |
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276 |
|
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HBufC8* buffer = HBufC8::NewL(attrCount*sizeof(TSamplerAttributes)); |
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278 |
TPtr8 ptr(buffer->Des()); |
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279 |
TIpcArgs args2(&ptr); |
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r = p.SendReceive(RProfiler::EGetSamplerAttributes, args2); |
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281 |
|
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282 |
TInt len(ptr.Length()); |
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283 |
TInt pos(0); |
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284 |
while (pos != len) |
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285 |
{ |
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286 |
TPckgBuf<TSamplerAttributes> attrPckg; |
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attrPckg.Copy(ptr.Mid(pos, attrPckg.Length())); |
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pos += attrPckg.Length(); |
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289 |
|
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aAttributes.AppendL(attrPckg()); |
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291 |
} |
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292 |
|
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293 |
p.RSessionBase::Close(); |
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294 |
|
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295 |
if(r != KErrNone) |
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296 |
{ |
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297 |
LOGSTRING2("Profiler responded with an error - code %d !!",r); |
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298 |
return r; |
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299 |
} |
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300 |
else |
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301 |
{ |
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302 |
LOGTEXT(_L("OK, message sent, closing")); |
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303 |
return KErrNone; |
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304 |
} |
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305 |
} |
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|
306 |
#endif |
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|
307 |
return KErrNone; |
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308 |
} |
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|
309 |
|
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310 |
inline TInt RProfiler::SetGeneralAttributes(TGeneralAttributes aAttributes) |
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311 |
{ |
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312 |
// do receive stream of TSamplerAttributes |
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|
313 |
LOGTEXT(_L("Creating a session to profiler")); |
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314 |
RProfiler p; |
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|
315 |
TInt r(KErrNone); |
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|
316 |
r = p.CreateSession(KProfilerName, TVersion(), 0); |
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|
317 |
if (r == KErrNone) |
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318 |
{ |
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|
319 |
|
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320 |
TPckg<TGeneralAttributes> attrPckg(aAttributes); |
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321 |
TIpcArgs a(&attrPckg); |
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322 |
r = p.SendReceive(RProfiler::ESetGeneralAttributes,a); |
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|
323 |
|
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|
324 |
p.RSessionBase::Close(); |
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|
325 |
|
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326 |
if(r != KErrNone) |
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|
327 |
{ |
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|
328 |
LOGSTRING2("Profiler responded with an error - code %d !!",r); |
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329 |
return r; |
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|
330 |
} |
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|
331 |
else |
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|
332 |
{ |
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|
333 |
LOGTEXT(_L("OK, message sent, closing")); |
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|
334 |
return KErrNone; |
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|
335 |
} |
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|
336 |
} |
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|
337 |
return r; |
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} |
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// save settings back to engine and plugins |
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inline TInt RProfiler::SetSamplerAttributes(TSamplerAttributes aAttributes) |
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{ |
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// do receive stream of TSamplerAttributes |
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LOGTEXT(_L("Creating a session to profiler")); |
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RProfiler p; |
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TInt r(KErrNone); |
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r = p.CreateSession(KProfilerName, TVersion(), 0); |
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if (r == KErrNone) |
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{ |
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TPckg<TSamplerAttributes> attrPckg(aAttributes); |
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TIpcArgs a; |
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a.Set(0,&attrPckg); |
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r = p.SendReceive(RProfiler::ESetSamplerAttributes,a); |
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p.RSessionBase::Close(); |
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if(r != KErrNone) |
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{ |
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LOGSTRING2("Profiler responded with an error - code %d !!",r); |
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return r; |
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} |
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else |
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{ |
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LOGTEXT(_L("OK, message sent, closing")); |
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return KErrNone; |
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} |
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} |
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return r; |
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} |
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inline TInt RProfiler::RefreshProfilerStatus() |
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{return ControlState(RProfiler::ERefreshProfilerStatus); } |
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inline TInt RProfiler::StartSampling() |
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{return ControlState(RProfiler::EStartSampling);} |
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inline TInt RProfiler::StopSampling() |
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{return ControlState(RProfiler::EStopSampling);} |
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inline TInt RProfiler::ExitProfiler() |
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{return ControlState(RProfiler::EExitProfiler);} |
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inline TInt RProfiler::GetFileName(TDes& fileName) |
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{return ControlRead(EGetFileName,fileName);} |
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|
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inline TInt RProfiler::GetActiveWriter(TDes& writerDes) |
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{return ControlRead(EGetActiveWriter,writerDes);} |
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#endif // __PROFILER_SESSION_H__ |