--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piprofiler/plugins/GeneralsPlugin/src/IttSamplerImpl.cpp	Tue May 25 14:22:58 2010 +0300
@@ -0,0 +1,244 @@
+/*
+* 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:  
+*
+*/
+
+
+#include <piprofiler/ProfilerVersion.h>
+
+#include <kern_priv.h>
+#include <plat_priv.h>
+
+#include "IttSamplerImpl.h"
+
+#ifdef ITT_EVENT_HANDLER
+_LIT8(KIttVersion, "2.00");
+#else
+_LIT8(KIttVersion, "1.22");
+#endif
+
+/*
+ *	ITT sampler definition
+ *  	
+ */
+IttSamplerImpl::IttSamplerImpl():
+        sampleDescriptor(&(this->sample[1]),0,KITTSampleBufferSize)
+{
+	this->currentLibCount = 0;
+	iTimeToSample = EFalse;
+	this->Reset();
+}
+
+/*
+ * destructor
+ */
+IttSamplerImpl::~IttSamplerImpl()
+{
+
+}
+
+/*
+ * IttSamplerImpl::CreateFirstSample()
+ * 
+ * Function for creating the first sample to the log file
+ */
+TInt IttSamplerImpl::CreateFirstSample() 
+{	
+    Kern::Printf("ittSamplerImpl::createFirstSample\n");
+	this->iVersionData.Zero();
+	this->iVersionData.Append(_L8("Bappea_ITT_V"));
+	this->iVersionData.Append(KIttVersion);
+	this->itt_sample = (TUint8*)iVersionData.Ptr();
+	return iVersionData.Length();
+}
+
+/*
+ * IttSamplerImpl::SampleNeeded(TUint32 sampleNum)
+ * 
+ * @param TUint32 Sample number
+ * 
+ */
+TBool IttSamplerImpl::SampleNeeded(TUint32 sampleNum)
+{
+#ifdef ITT_EVENT_HANDLER
+    iCount++;
+    if (iCount <= iIttSamplingPeriod && ((iCount % iIttSamplingPeriod) == 0 || (iCount % iIttSamplingPeriodDiv2) == 0))
+    {
+        LOGSTRING2("IttSamplerImpl::SampleNeeded - time: %d", iCount);
+        iTimeToSample = true;
+#else
+    // no need to do anything, always a good time to sample.
+    // Sample time filtering is done in IttSamplerImpl:SampleImpl() function
+#endif
+        return true;
+#ifdef ITT_EVENT_HANDLER    
+    }
+    else 
+    {
+        return false;
+    }
+#endif
+}
+
+/*
+ * IttSamplerImpl::SampleImpl(TUint32 pc, TUint32 sampleNum)
+ * 
+ * @param TUint32 program counter
+ * @param TUint32 sample number
+ */
+TInt IttSamplerImpl::SampleImpl(TUint32 pc,TUint32 sampleNum)
+{	
+    // in order to avoid overloading the interrupt
+	// only one dynamic file in each 50ms is added to the stream
+	// with the application of the tool in mind, this is
+	// a reasonable measure
+
+    // encode a process binary
+    sampleDescriptor.Zero();
+	// original 
+	if((sampleNum % 20) != 0) return 0;
+	if((sampleNum % 40) == 0)
+	{
+		// encode a library binary
+		sampleDescriptor.Zero();
+		DObjectCon* libs = Kern::Containers()[ELibrary];
+		TInt libCount = libs->Count();
+		
+		// go 20 binaries through at a time
+		for(TInt i=0;i<20;i++)
+		{
+			if(currentLibCount >= libCount)
+			{
+				currentLibCount = 0;
+			}
+			
+			DLibrary* lib = (DLibrary*)(*libs)[currentLibCount];
+			currentLibCount++;
+			
+			DCodeSeg* seg = lib->iCodeSeg;
+			if(seg != 0)
+			{
+				if( (seg->iMark & 0x80) == 0)
+				{
+					this->sample[0] = seg->iFileName->Length();
+					sampleDescriptor.Append(*(seg->iFileName));
+					sampleDescriptor.Append((TUint8*)&(seg->iRunAddress),4);
+					sampleDescriptor.Append((TUint8*)&(seg->iSize),4);
+#ifdef ITT_EVENT_HANDLER
+					sampleDescriptor.Append((TUint8*)&(sampleNum),4);
+					//Kern::Printf("DLL: NM %S : RA:0x%x SZ:0x%x, SN:0x%x",seg->iFileName,seg->iRunAddress,seg->iSize, sampleNum);
+					this->iFirstSampleTaken = ETrue;
+#else
+		            //Kern::Printf("DLL: NM %S : RA:0x%x SZ:0x%x",seg->iFileName,seg->iRunAddress,seg->iSize);
+#endif
+					seg->iMark = (seg->iMark | 0x80);
+					
+					this->sample[0] = sampleDescriptor.Size();
+					return sampleDescriptor.Size()+1;
+				}
+			}
+		}
+	} else
+	{
+		SDblQue* codeSegList = Kern::CodeSegList();
+		//Kern::Printf("PI");
+		//TUint c = 0;
+		// the global list
+		for (SDblQueLink* codeseg= codeSegList->First(); codeseg!=(SDblQueLink*) codeSegList; codeseg=codeseg->iNext)
+		{				
+			DCodeSeg* seg = _LOFF(codeseg, DCodeSeg, iLink);
+			if(seg != 0)
+			{
+				if( (seg->iMark & 0x80) == 0)
+				{
+					this->sample[0] = seg->iFileName->Length();
+					sampleDescriptor.Append(*(seg->iFileName));
+					sampleDescriptor.Append((TUint8*)&(seg->iRunAddress),4);
+					sampleDescriptor.Append((TUint8*)&(seg->iSize),4);
+#ifdef ITT_EVENT_HANDLER
+                    sampleDescriptor.Append((TUint8*)&(sampleNum),4);
+                    //Kern::Printf("EXE2: NM %S : RA:0x%x SZ:0x%x, time: %d",seg->iFileName,seg->iRunAddress,seg->iSize, sampleNum);
+                    this->iFirstSampleTaken = ETrue;                    
+#else
+					//Kern::Printf("EXE2: NM %S : RA:0x%x SZ:0x%x, time: %d",seg->iFileName,seg->iRunAddress,seg->iSize, sampleNum);
+#endif					
+					seg->iMark = (seg->iMark | 0x80);
+					
+					this->sample[0] = sampleDescriptor.Size();
+					return sampleDescriptor.Size()+1;
+				}
+			}
+		}	
+	}
+	return 0;
+}
+
+/*
+ * IttSamplerImpl::Reset()
+ */
+void IttSamplerImpl::Reset()
+{
+    iTimeToSample = EFalse;
+#ifdef ITT_EVENT_HANDLER
+    iFirstSampleTaken = EFalse;
+#endif
+	this->currentLibCount = 0;
+	this->itt_sample = (TUint8*)&(this->sample[0]);
+	sampleDescriptor.Zero();
+
+//	#ifdef ITT_TEST	
+	SDblQue* codeSegList = Kern::CodeSegList();
+	// the global list
+	for (SDblQueLink* codeseg= codeSegList->First(); codeseg!=(SDblQueLink*) codeSegList; codeseg=codeseg->iNext)
+	{				
+		DCodeSeg* seg = _LOFF(codeseg,DCodeSeg, iLink);
+		//if(seg != 0)
+		{
+			if( (seg->iMark & 0x80) > 0)
+			{
+				seg->iMark = (seg->iMark & ~0x80);
+			}
+		}
+	}	
+	// the garbage list
+	DObjectCon* libs = Kern::Containers()[ELibrary];
+	TInt libCount = libs->Count();
+	for(TInt i=0;i<libCount;i++)
+	{
+		DLibrary* lib = (DLibrary*)(*libs)[i];
+		DCodeSeg* seg = lib->iCodeSeg;
+		if( (seg->iMark & 0x80) > 0)
+		{
+			seg->iMark = (seg->iMark & ~0x80);
+		}
+	}
+	
+	DObjectCon* procs = Kern::Containers()[EProcess];
+	TInt procCount = procs->Count();
+	for(TInt i=0;i<procCount;i++)
+	{
+		DProcess* pro = (DProcess*)(*procs)[i];
+		DCodeSeg* seg = pro->iCodeSeg;
+		if(seg != 0)
+		{
+			if( (seg->iMark & 0x80) > 0)
+			{
+				seg->iMark = (seg->iMark & ~0x80);
+			}
+		}
+	}
+	//#endif   //ITT_TEST
+}
+// end of file