sysanadatacapture/piprofiler/piprofiler/plugins/GeneralsPlugin/inc/IttSamplerImpl.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sysanadatacapture/piprofiler/piprofiler/plugins/GeneralsPlugin/inc/IttSamplerImpl.h Thu Feb 11 15:52:57 2010 +0200
@@ -0,0 +1,188 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#ifndef PROFILER_ITT_SAMPLER_H
+#define PROFILER_ITT_SAMPLER_H
+
+#include "GeneralsConfig.h"
+
+#include <kern_priv.h>
+
+#include <piprofiler/ProfilerGenericClassesKrn.h>
+#include <piprofiler/ProfilerTraces.h>
+#include "GppSamplerImpl.h"
+
+/*
+ *
+ * ITT sampler definition
+ *
+ */
+
+class IttSamplerImpl
+{
+public:
+ IttSamplerImpl();
+ ~IttSamplerImpl();
+
+ TInt SampleImpl(TUint32 pc,TUint32 sampleNum);
+ TBool SampleNeeded(TUint32 sampleNum);
+ TInt CreateFirstSample();
+ void Reset();
+
+ TUint8* itt_sample;
+ TBool iSampleProcesses;
+private:
+
+ TUint8 internalData[256];
+ TPtr8* ptrToData;
+ TInt currentLibCount;
+ TInt currentProcCount;
+
+ TBuf8<64> iVersionData;
+ SDblQue* codeSegList;
+};
+
+template <int BufferSize>
+class DProfilerIttSampler : public DProfilerGenericSampler<BufferSize>
+{
+public:
+ DProfilerIttSampler(struct TProfilerGppSamplerData* gppSamplerDataIn);
+ ~DProfilerIttSampler();
+
+ void Sample();
+ TInt Reset(DProfilerSampleStream* aStream, TUint32 aSyncOffset);
+ TInt PostSample();
+ TBool PostSampleNeeded();
+
+private:
+ struct TProfilerGppSamplerData* gppSamplerData;
+ IttSamplerImpl ittSampler;
+ TBool sampleInProgress;
+ TBool sampleNeeded;
+};
+
+/*
+ *
+ * ITT sampler implementation
+ *
+ */
+
+template <int BufferSize>
+DProfilerIttSampler<BufferSize>::DProfilerIttSampler(struct TProfilerGppSamplerData* gppSamplerDataIn) :
+ DProfilerGenericSampler<BufferSize>(PROFILER_ITT_SAMPLER_ID)
+{
+ this->gppSamplerData = (struct TProfilerGppSamplerData*)gppSamplerDataIn;
+ this->sampleInProgress = false;
+ LOGSTRING2("CProfilerIttSampler<%d>::CProfilerIttSampler",BufferSize);
+}
+
+template <int BufferSize>
+TInt DProfilerIttSampler<BufferSize>::Reset(DProfilerSampleStream* aStream, TUint32 aSyncOffset)
+{
+ LOGSTRING2("CProfilerIttSampler<%d>::Reset - calling superclass reset",BufferSize);
+ DProfilerGenericSampler<BufferSize>::Reset(aStream);
+ LOGSTRING2("CProfilerIttSampler<%d>::Reset - called superclass reset",BufferSize);
+ TInt length = this->ittSampler.CreateFirstSample();
+ this->iSampleBuffer->AddSample((TUint8*)&length,1);
+ this->iSampleBuffer->AddSample(ittSampler.itt_sample,length);
+ this->sampleInProgress = false;
+ this->sampleNeeded = false;
+
+ this->ittSampler.Reset();
+
+ return KErrNone;
+}
+
+template <int BufferSize>
+TInt DProfilerIttSampler<BufferSize>::PostSample()
+{
+ if(sampleNeeded)
+ {
+ this->sampleNeeded = false;
+
+ LOGSTRING3("CProfilerIttSampler<%d>::PostSample - state %d",BufferSize,this->sampleBuffer->GetBufferStatus());
+
+
+ TInt length = this->ittSampler.SampleImpl(this->gppSamplerData->lastPcValue,
+ this->gppSamplerData->sampleNumber);
+ if(length != 0)
+ {
+ LOGSTRING("ITT sampler PostSample - starting to sample");
+
+ while(length > 0)
+ {
+ this->iSampleBuffer->AddSample(ittSampler.itt_sample,length);
+ length = this->ittSampler.SampleImpl( this->gppSamplerData->lastPcValue,
+ this->gppSamplerData->sampleNumber );
+ if(length == 0)
+ {
+ LOGSTRING("MEM sampler PostSample - all samples generated!");
+ }
+ }
+ LOGSTRING("ITT sampler PostSample - finished sampling");
+ }
+ this->sampleInProgress = false;
+ }
+
+ // finally perform superclass postsample
+ TInt i = this->DProfilerGenericSampler<BufferSize>::PostSample();
+ return i;
+}
+
+template <int BufferSize>
+TBool DProfilerIttSampler<BufferSize>::PostSampleNeeded()
+{
+ LOGSTRING3("CProfilerMemSampler<%d>::PostSampleNeeded - state %d",BufferSize,this->sampleBuffer->GetBufferStatus());
+
+ TUint32 status = this->iSampleBuffer->iBufferStatus;
+
+ if(status == DProfilerSampleBuffer::BufferCopyAsap || status == DProfilerSampleBuffer::BufferFull || this->sampleNeeded == true)
+ {
+ return true;
+ }
+
+ return false;
+}
+
+template <int BufferSize>
+void DProfilerIttSampler<BufferSize>::Sample()
+{
+ LOGSTRING2("CProfilerIttSampler<%d>::Sample",BufferSize);
+
+ //#ifdef ITT_TEST
+ LOGSTRING2("CProfilerIttSampler<%d>::Sample",BufferSize);
+
+ if(ittSampler.SampleNeeded(this->gppSamplerData->sampleNumber) && this->sampleInProgress == false)
+ {
+ this->sampleInProgress = true;
+ this->sampleNeeded = true;
+
+ LOGSTRING2("CProfilerIttSampler<%d>::Sample - sample needed",BufferSize);
+ }
+
+ LOGSTRING2("CProfilerIttSampler<%d>::Sample",BufferSize);
+
+ return;
+}
+
+template <int BufferSize>
+DProfilerIttSampler<BufferSize>::~DProfilerIttSampler()
+{
+ LOGSTRING2("CProfilerIttSampler<%d>::~CProfilerIttSampler",BufferSize);
+}
+#endif