sl@0: // Copyright (c) 2007-2009 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: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @test
sl@0:  @internalComponent
sl@0: */
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: #ifndef __T_PERF_DATA_H__
sl@0: #define __T_PERF_DATA_H__
sl@0: 
sl@0: class CTPerfData : public CBase
sl@0: 	{
sl@0: public:
sl@0: 	IMPORT_C static CTPerfData* NewL();
sl@0: 
sl@0: 	/**
sl@0: 	* Start performance counter. Use this to mark the
sl@0: 	* point at which measurement is to start e.g. beginning
sl@0: 	* of draw frame.
sl@0: 	*/
sl@0: 	IMPORT_C void StartCounter();
sl@0: 
sl@0: 	/**
sl@0: 	* Stop performance counter. Call this to mark the point
sl@0: 	* at which measurement is to finish e.g. end of draw
sl@0: 	* frame.
sl@0: 	*/
sl@0: 	IMPORT_C void StopCounterL();
sl@0: 
sl@0: 	/**
sl@0: 	* Write performance results to designated file
sl@0: 	*
sl@0: 	* @param	aFileName Name of file to write to
sl@0: 	* @leave	System wide error code.
sl@0: 	*/
sl@0: 	IMPORT_C void WriteResultsL(const TDesC& aFileName);
sl@0: 
sl@0: 
sl@0: 	~CTPerfData();
sl@0: 
sl@0: private:
sl@0: 	void Construct();
sl@0: 	void AnalyseResultsL();
sl@0: 	void TrimedMeanL();
sl@0: 	void MaxTime();
sl@0: 	void MinTime();
sl@0: 	void FrameRateL();
sl@0: 	CTPerfData() {}
sl@0: 
sl@0: private:
sl@0: 	RArray<TUint32> iResults;
sl@0: 	TUint32 iCounter;
sl@0: 	TUint32 iTrimedMean;
sl@0: 	TUint32 iMaxTime;
sl@0: 	TUint32 iMinTime;
sl@0: 	TReal iFrameRate;
sl@0: 	};
sl@0: 
sl@0: #endif //__T_PERF_DATA_H__