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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: Event based ITT sampler skeleton copypasted from MemoryEventHandler.cpp
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*
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*/
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#include <e32def.h>
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#include <e32cmn.h>
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#include <arm.h>
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#include <kernel.h>
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#include <kern_priv.h>
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#include <nk_trace.h>
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#include "IttEventHandler.h"
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/*
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* Constructor
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*
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* @param DProfilerSampleBuffer* pointer to sample buffer
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*/
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DIttEventHandler::DIttEventHandler(DProfilerSampleBuffer* aSampleBuffer, TProfilerGppSamplerData* aGppSamplerDataIn)
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: DKernelEventHandler(EventHandler, this),
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iSampleBuffer(aSampleBuffer),
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iSampleDescriptor(&(this->iSample[1]),0,KITTBufferSize),
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gppSamplerData(aGppSamplerDataIn)
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{
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iSampleAvailable = false;
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}
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/*
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* DIttEventHandler::Create()
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*/
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TInt DIttEventHandler::Create()
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{
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TInt err(Kern::MutexCreate(iLock, _L("IttEventHandlerLock"), KMutexOrdDebug));
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if (err != KErrNone)
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return err;
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return Add();
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}
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/*
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* Destructor
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*/
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DIttEventHandler::~DIttEventHandler()
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{
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LOGSTRING("DIttEventHandler::~DIttEventHandler()");
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if (iLock)
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iLock->Close(NULL);
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}
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TInt DIttEventHandler::Start()
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{
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LOGSTRING("DIttEventHandler::Start()");
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iTracking = ETrue;
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return KErrNone;
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}
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TInt DIttEventHandler::Stop()
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{
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LOGSTRING("DIttEventHandler::Stop()");
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iTracking = EFalse;
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LOGSTRING2("ITT - gpp sample counter %d", this->gppSamplerData->sampleNumber);
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return KErrNone;
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}
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TBool DIttEventHandler::SampleNeeded()
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{
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//LOGSTRING("DIttEventHandler::SampleNeeded()");
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// check if event handler was not running
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if(!iTracking)
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{
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return false;
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}
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// check if a new sample is available
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if(iSampleAvailable)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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void DIttEventHandler::SampleHandled()
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{
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iSampleAvailable = false;
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}
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TUint DIttEventHandler::EventHandler(TKernelEvent aType, TAny* a1, TAny* a2, TAny* aThis)
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{
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//LOGSTRING("DIttEventHandler::EventHandler()");
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return ((DIttEventHandler*)aThis)->HandleEvent(aType, a1, a2);
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}
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TUint DIttEventHandler::HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2)
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{
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if (iTracking)
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{
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switch (aType)
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{
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case EEventAddCodeSeg:
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LOGSTRING("DIttEventHandler::HandleEvent() EEventAddCodeSeg received");
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HandleAddCodeSeg((DCodeSeg*)a1);
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break;
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case EEventRemoveCodeSeg:
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LOGSTRING("DIttEventHandler::HandleEvent() EEventRemoveCodeSeg received");
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HandleRemoveCodeSeg((DCodeSeg*)a1);
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break;
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default:
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break;
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}
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}
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return DKernelEventHandler::ERunNext;
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}
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/*
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*
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*/
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TBool DIttEventHandler::HandleAddCodeSeg(DCodeSeg* aSeg)
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{
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LOGSTRING("DIttEventHandler::HandleAddCodeSeg()");
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iSampleDescriptor.Zero();
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//Kern::Printf("DLL ADD: NM %S : RA:0x%x SZ:0x%x SN:0x%x",aSeg->iFileName,aSeg->iRunAddress,aSeg->iSize, this->gppSamplerData->sampleNumber);
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NKern::ThreadEnterCS();
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Kern::MutexWait(*iLock);
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iSample[0] = aSeg->iFileName->Length();
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iSampleDescriptor.Append(*aSeg->iFileName);
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iSampleDescriptor.Append((TUint8*)&(aSeg->iRunAddress),4);
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iSampleDescriptor.Append((TUint8*)&(aSeg->iSize),4);
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iSampleDescriptor.Append((TUint8*)&(this->gppSamplerData->sampleNumber),4);
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iSample[0] = iSampleDescriptor.Size();
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iSampleBuffer->AddSample(iSample,iSampleDescriptor.Size()+1);
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Kern::MutexSignal(*iLock);
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NKern::ThreadLeaveCS();
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iSampleAvailable = true;
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return ETrue;
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}
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TBool DIttEventHandler::HandleRemoveCodeSeg(DCodeSeg* aSeg)
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{
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LOGSTRING("DIttEventHandler::HandleRemoveCodeSeg()");
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iSampleDescriptor.Zero();
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//Kern::Printf("DLL REM: NM %S : RA:0x%x SZ:0x%x SN:0x%x",aSeg->iFileName,aSeg->iRunAddress,aSeg->iSize, this->gppSamplerData->sampleNumber);
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NKern::ThreadEnterCS();
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Kern::MutexWait(*iLock);
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iSample[0] = aSeg->iFileName->Length();
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iSampleDescriptor.Append(*aSeg->iFileName);
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iSampleDescriptor.Append((TUint8*)&(aSeg->iRunAddress),4);
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iSampleDescriptor.Append((TUint8*)&(aSeg->iSize),4);
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iSampleDescriptor.Append((TUint8*)&(this->gppSamplerData->sampleNumber),4);
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iSample[0] = iSampleDescriptor.Size();
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iSampleBuffer->AddSample(iSample,iSampleDescriptor.Size()+1);
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Kern::MutexSignal(*iLock);
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NKern::ThreadLeaveCS();
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iSampleAvailable = true;
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return ETrue;
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}
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// end of file
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