sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Implementation of static class to log ECom performance
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @internalComponent
sl@0:  @file
sl@0: */
sl@0: 
sl@0: #include <e32debug.h>
sl@0: #include "EComPerformance.h"
sl@0: 
sl@0: #ifdef __ECOM_SERVER_PERFORMANCE__
sl@0: 
sl@0: TUint32 EComPerformance::iEComStartupStateTimerResults[KEComStartupStateTimerResultMaxCount];
sl@0: TInt EComPerformance::iEComStartupStateTimerResultCount = 0;
sl@0: TClientRequestTimerEntry EComPerformance::iAccumulatedClientRequestTimerResults[KAccumulatedClientRequestTimerResultMaxCount];
sl@0: TInt EComPerformance::iAccumulatedClientRequestTimerResultCount = 0;
sl@0: TEComPerfTimeRecordEntry EComPerformance::iEComPerfTimeRecords[KEComPerfTimerRecordMaxCount];
sl@0: TInt EComPerformance::iEComPerfTimeRecordCount = 0;
sl@0: TEComPerfHeapUsage EComPerformance::iEComStartupStateHeapResults[KEComStartupStateHeapResultMaxCount];
sl@0: TInt EComPerformance::iEComStartupStateHeapResultCount=0;
sl@0: 
sl@0: /**
sl@0:  Retrieves startup state timing data from the given index
sl@0:  @param aTimerIdx The index of the timing entry to retrieve	
sl@0:  @param aTimerResult On return contains the timing (using FastCounter) at the given index
sl@0:  @param aState The state the timing data is for
sl@0:  */
sl@0: TInt EComPerformance::GetStartupStateTimerResult(TInt aTimerIdx, TUint32& aTimerResult, TInt& aState)
sl@0: 	{
sl@0: 	TInt resultIdx = aTimerIdx * 2;
sl@0: 	aTimerResult = 0;
sl@0: 	aState = -1;
sl@0: 	
sl@0: 	if(iEComStartupStateTimerResultCount > resultIdx + 1)
sl@0: 		{
sl@0: 		aTimerResult = iEComStartupStateTimerResults[resultIdx];
sl@0: 		aState = iEComStartupStateTimerResults[resultIdx+1];
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		RDebug::Print(_L("Exceeded size of %d held by KEComStartupStateTimerResults array\n"), iEComStartupStateTimerResultCount);
sl@0: 		return KErrOverflow;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  Records timing data for the given state that can be retrieved using GetStartupStateTimerResult
sl@0:  @param aState The state the timing data is for
sl@0:  */
sl@0: void EComPerformance::RecordStartupStateTimerResult(TInt aState)
sl@0: 	{
sl@0: 	if(iEComStartupStateTimerResultCount+1<KEComStartupStateTimerResultMaxCount)
sl@0: 		{
sl@0: 		iEComStartupStateTimerResults[iEComStartupStateTimerResultCount++] = User::FastCounter();
sl@0: 		iEComStartupStateTimerResults[iEComStartupStateTimerResultCount++] = aState;
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: void EComPerformance::ResetStartupStateTimerResult()
sl@0: 	{
sl@0: 	iEComStartupStateTimerResultCount = 0;
sl@0: 	}
sl@0: /**
sl@0:  Retrieves timing data for the client request indexed by aTimerIdx
sl@0:  Note that this data does not include timing for requests where an exception occurred during processing
sl@0:  @param aTimerIdx The index of the timing entry to retrieve	
sl@0:  @param aTimerEntry On return contains the timing data for the given index
sl@0:  @return KErrNone if the timing data was retrieved successfully, KErrOverflow if the requested index is greater than the number of timing entries	
sl@0: */
sl@0: TInt EComPerformance::GetAccumulatedClientRequestTimerResult(TInt aTimerIdx, TClientRequestTimerEntry& aTimerEntry)
sl@0: 	{
sl@0: 	if(aTimerIdx < iAccumulatedClientRequestTimerResultCount)
sl@0: 		{
sl@0: 		aTimerEntry = iAccumulatedClientRequestTimerResults[aTimerIdx];
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return KErrOverflow;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  Records timing data for the start of the processing of a client request.
sl@0:  @param aClientRequestType The type of client request
sl@0:  @param aState The current start-up state
sl@0: */
sl@0: void EComPerformance::RecordStartClientRequestTimerResult(TEComClientRequestType aClientRequestType, TInt aState)
sl@0: 	{
sl@0: 	if(iAccumulatedClientRequestTimerResultCount < KAccumulatedClientRequestTimerResultMaxCount)
sl@0: 		{
sl@0: 		iAccumulatedClientRequestTimerResults[iAccumulatedClientRequestTimerResultCount].iStartTime = User::FastCounter();
sl@0: 		iAccumulatedClientRequestTimerResults[iAccumulatedClientRequestTimerResultCount].iClientRequestType = aClientRequestType;
sl@0: 		iAccumulatedClientRequestTimerResults[iAccumulatedClientRequestTimerResultCount].iState = aState;
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: /**
sl@0:  Records timing data for the end of the processing of the client request associated with the last call to RecordStartClientRequestTimerResult
sl@0:  @pre RecordStartClientRequestTimerResult must have been called before this method is called
sl@0: */
sl@0: void EComPerformance::RecordEndClientRequestTimerResult()
sl@0: 	{
sl@0: 	if (iAccumulatedClientRequestTimerResultCount < KAccumulatedClientRequestTimerResultMaxCount)
sl@0: 		{
sl@0: 		iAccumulatedClientRequestTimerResults[iAccumulatedClientRequestTimerResultCount].iEndTime = User::FastCounter();
sl@0: 		iAccumulatedClientRequestTimerResultCount++;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  Retrieves ECom performance timing record by aTimeIdx
sl@0: @param aTimerIdx the index of the record to get (a zero indexed value)
sl@0: @param aTimeRecord the record readings
sl@0: */
sl@0: TInt EComPerformance::GetEComPerfTimeRecord(TInt aTimeIdx, TEComPerfTimeRecordEntry& aTimeEntry)
sl@0: 	{
sl@0: 	if(aTimeIdx < KEComPerfTimerRecordMaxCount)
sl@0: 		{
sl@0: 		aTimeEntry = iEComPerfTimeRecords[aTimeIdx];
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return KErrOverflow;		
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  Records ECom performance timing record with its type an additional information
sl@0:  @param aType The type of the record
sl@0:  @param aInfo The additional inforamtion attached
sl@0: */
sl@0: void EComPerformance::RecordEComPerfTime(TEComPerfTimeRecordType aType, TInt aInfo)
sl@0: 	{
sl@0: 	if(iEComPerfTimeRecordCount < KEComPerfTimerRecordMaxCount)
sl@0: 		{
sl@0: 		iEComPerfTimeRecords[iEComPerfTimeRecordCount].iTime = User::FastCounter();
sl@0: 		iEComPerfTimeRecords[iEComPerfTimeRecordCount].iType = aType;
sl@0: 		iEComPerfTimeRecords[iEComPerfTimeRecordCount].iInfo = aInfo;
sl@0: 		++iEComPerfTimeRecordCount;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  Cleans up ECom performance timing record array and reset counter
sl@0: */
sl@0: void EComPerformance::ResetEComPerfTimeRecords()
sl@0: 	{
sl@0: 	for(TInt idx = 0; idx <= iEComPerfTimeRecordCount; ++idx)
sl@0: 		{
sl@0: 		iEComPerfTimeRecords[idx].iTime = NULL;
sl@0: 		iEComPerfTimeRecords[idx].iType = ENullType;
sl@0: 		iEComPerfTimeRecords[idx].iInfo = NULL;
sl@0: 		}
sl@0: 	iEComPerfTimeRecordCount = 0;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Get the heap size at this startup state
sl@0: */	
sl@0: void EComPerformance::RecordEComHeapSize(TInt aState)
sl@0: 	{
sl@0: 	if (iEComStartupStateHeapResultCount < KEComStartupStateHeapResultMaxCount)
sl@0: 		{
sl@0: 		iEComStartupStateHeapResults[iEComStartupStateHeapResultCount].iState=aState;
sl@0: 		iEComStartupStateHeapResults[iEComStartupStateHeapResultCount].iHeapSize=User::Heap().Size();
sl@0: 		++iEComStartupStateHeapResultCount;		
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: TInt EComPerformance::GetEComHeapSize(TInt aHeapIdx,TEComPerfHeapUsage& aHeapRecord)
sl@0: 	{
sl@0: 	if (aHeapIdx < KEComStartupStateHeapResultMaxCount)
sl@0: 		{
sl@0: 		aHeapRecord=iEComStartupStateHeapResults[aHeapIdx];
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return KErrOverflow;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: #endif //__ECOM_SERVER_PERFORMANCE__