piprofiler/plugins/GeneralsPlugin/src/IttEventHandler.cpp
changeset 20 a71a3e32a2ae
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piprofiler/plugins/GeneralsPlugin/src/IttEventHandler.cpp	Thu May 13 23:59:27 2010 +0300
@@ -0,0 +1,174 @@
+/*
+* 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:  Event based ITT sampler skeleton copypasted from MemoryEventHandler.cpp
+*
+*/
+
+#include <e32def.h>
+#include <e32cmn.h>
+#include <arm.h>
+#include <kernel.h>
+#include <kern_priv.h>
+#include <nk_trace.h>
+
+#include "IttEventHandler.h"
+
+/*
+ * Constructor
+ * 
+ * @param DProfilerSampleBuffer*    pointer to sample buffer
+ */
+DIttEventHandler::DIttEventHandler(DProfilerSampleBuffer* aSampleBuffer, TProfilerGppSamplerData* aGppSamplerDataIn)
+    :   DKernelEventHandler(EventHandler, this),
+        iSampleBuffer(aSampleBuffer),
+        iSampleDescriptor(&(this->iSample[1]),0,KITTBufferSize),
+        gppSamplerData(aGppSamplerDataIn)
+    {
+    //Kern::Printf("DIttEventHandler::DIttEventHandler()");
+
+    }
+
+/*
+ * DIttEventHandler::Create()
+ */
+TInt DIttEventHandler::Create()
+    {
+    Kern::Printf("DIttEventHandler::Create()");
+
+    TInt err(Kern::MutexCreate(iLock, _L("IttEventHandlerLock"), KMutexOrdDebug));
+    if (err != KErrNone)
+        return err;
+    
+    return Add();
+    }
+
+/*
+ * Destructor
+ */
+DIttEventHandler::~DIttEventHandler()
+    {
+    //Kern::Printf("DIttEventHandler::~DIttEventHandler()");
+
+    if (iLock)
+        iLock->Close(NULL);
+    }
+
+
+TInt DIttEventHandler::Start()
+    {
+    //Kern::Printf("DIttEventHandler::Start()");
+
+    iTracking = ETrue;
+    return KErrNone;
+    }
+
+
+TInt DIttEventHandler::Stop()
+    {
+    //Kern::Printf("DIttEventHandler::Stop()");
+
+    iTracking = EFalse;
+    return KErrNone;
+    }
+
+TBool DIttEventHandler::SampleNeeded()
+    {
+    LOGTEXT("DIttEventHandler::SampleNeeded()");
+    
+    // increase the counter by one on each round
+    iCount++;
+    
+    // check if event handler was not running
+    if(!iTracking)
+       return false;
+    
+    return true;
+    }
+
+
+TUint DIttEventHandler::EventHandler(TKernelEvent aType, TAny* a1, TAny* a2, TAny* aThis)
+    {
+    //Kern::Printf("DIttEventHandler::EventHandler()");
+    return ((DIttEventHandler*)aThis)->HandleEvent(aType, a1, a2);
+    }
+
+
+
+TUint DIttEventHandler::HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2)
+    {
+    //Kern::Printf("DIttEventHandler::HandleEvent()");
+    //Kern::Printf("New kernel event received, %d", aType);
+    
+    if (iTracking/* && iCount != iPreviousCount*/)
+        {
+        switch (aType)
+            {
+            
+            case EEventAddCodeSeg:
+                //Kern::Printf("DCodeSeg added: 0x%08x", (DCodeSeg*)a1);
+                HandleAddCodeSeg((DCodeSeg*)a1);
+                break;
+                
+            case EEventRemoveCodeSeg:
+                //Kern::Printf("DCodeSeg deleted: 0x%08x", (DCodeSeg*)a1);
+                HandleRemoveCodeSeg((DCodeSeg*)a1);
+                break;
+   
+            default:
+                break;
+            }
+        }
+//    else if(iTracking && iCount == iPreviousCount)
+//        {
+//        // if time stamp is not updated profiling has stopped
+//        Stop();
+//        }
+    return DKernelEventHandler::ERunNext;
+    }
+
+/*
+ * 
+ */
+TBool DIttEventHandler::HandleAddCodeSeg(DCodeSeg* aSeg)
+    {    
+    iSampleDescriptor.Zero();
+    //Kern::Printf("DLL ADD: NM %S : RA:0x%x SZ:0x%x SN:0x%x",aSeg->iFileName,aSeg->iRunAddress,aSeg->iSize, this->gppSamplerData->sampleNumber);
+
+    iSample[0] = aSeg->iFileName->Length();
+    iSampleDescriptor.Append(*aSeg->iFileName);
+    iSampleDescriptor.Append((TUint8*)&(aSeg->iRunAddress),4);
+    iSampleDescriptor.Append((TUint8*)&(aSeg->iSize),4);
+    iSampleDescriptor.Append((TUint8*)&(this->gppSamplerData->sampleNumber),4);
+    iSample[0] = iSampleDescriptor.Size();
+    
+    iSampleBuffer->AddSample(iSample,iSampleDescriptor.Size()+1);
+    return ETrue;
+    }
+
+TBool DIttEventHandler::HandleRemoveCodeSeg(DCodeSeg* aSeg)
+    {
+    iSampleDescriptor.Zero();
+    //Kern::Printf("DLL REM: NM %S : RA:0x%x SZ:0x%x SN:0x%x",aSeg->iFileName,aSeg->iRunAddress,aSeg->iSize, this->gppSamplerData->sampleNumber);
+
+    iSample[0] = aSeg->iFileName->Length();
+    iSampleDescriptor.Append(*aSeg->iFileName);
+    iSampleDescriptor.Append((TUint8*)&(aSeg->iRunAddress),4);
+    iSampleDescriptor.Append((TUint8*)&(aSeg->iSize),4);
+    iSampleDescriptor.Append((TUint8*)&(this->gppSamplerData->sampleNumber),4);
+    iSample[0] = iSampleDescriptor.Size();
+    
+    iSampleBuffer->AddSample(iSample,iSampleDescriptor.Size()+1);
+    return ETrue;
+    }
+// end of file