// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

// e32test/defrag/perf/t_perf.h

// 

//

#ifndef _DEFRAG_PERF_T_PERF_H_

#define _DEFRAG_PERF_T_PERF_H_

#include "t_testdll.h"

typedef TUint32 DTime_t;

//#define EXTRA_TRACE

#ifdef EXTRA_TRACE

#define TEST_PRINTF(x...) test.Printf(x)

#else

#define TEST_PRINTF(x...)

#endif

#define MAXCHUNK_SIZE (40 * 1024 * 1024)

#define MINCHUNK_SIZE (2 * 1024 * 1024)

extern TInt TestDLLPerformance(TInt aNum); 

class DefragLatency 

{

public:

	DefragLatency()

		{

		iIterations = iCummulative = iResult = 0;

		iMaxTime = (DTime_t)0;

		iMinTime = (DTime_t) -1;

		iCalDelay = 0;

		}

	~DefragLatency() {}

	void CalibrateTimer(RTest& test);

private:

	static inline TUint32 GetFastCounter(void)

		{

		return User::FastCounter();

		}

public:

	/** Log the new time diff and update iMaxTime and iMinTime appropriately

	*/

	inline void AddIteration(DTime_t aTimeDiff)

		{

		iTime1 = 0;

		iTime2 = 0;

		if (aTimeDiff > iMaxTime)

			iMaxTime = aTimeDiff;

		if (aTimeDiff < iMinTime)

			iMinTime = aTimeDiff;

		iCummulative += aTimeDiff;

		iIterations++;

		}

	inline void StartTimer(void)

		{

		iTime1 = GetFastCounter();

		}

	inline TUint32 StopTimer(RTest& aTest)

		{

		iTime2 = GetFastCounter();

		TUint32 diff = iTime2 - iTime1;

		if (iTime2 < iTime1)

			{

			aTest.Printf(_L("WARNING - Fast Counter rolled over.  Assuming only once and continuing\n"));

			diff = (KMaxTUint32 - iTime1) + iTime2;

			}

		AddIteration(diff);

		return diff;

		}

	DTime_t GetResult(DTime_t& aMax, DTime_t& aMin, DTime_t& aDelay)

		{

		iResult = (iCummulative / iIterations);

		aMax = iMaxTime;

		aMin = iMinTime;

		aDelay = iCalDelay;

		return iResult;

		}

	TInt iFastCounterFreq;

private:

	int iIterations;

	DTime_t iCalDelay;

	DTime_t iTime1, iTime2;

	DTime_t iMaxTime, iMinTime;

	DTime_t iCummulative;

	DTime_t iResult;

};

class DllDefrag

{

public:

	DllDefrag()

		{

		iFunc0Addr = (TInt8 *)(-1);

		iFuncNAddr = (TInt8 *)0;

		iLib = new RLibrary;

		}

	~DllDefrag()

		{

		delete iLib;

		}

	TInt LoadTheLib(TInt aIdx, RTest& aTest);

	TInt TestDLLPerformance(TInt aNum, RPageMove& aPageMove, RTest& aTest);

public:	

	RLibrary *iLib;

	TInt8 *iFunc0Addr;

	TInt8 *iFuncNAddr;

};

#endif // _DEFRAG_PERF_T_PERF_H_