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 the License "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: // e32test/defrag/perf/t_perf.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef _DEFRAG_PERF_T_PERF_H_
sl@0: #define _DEFRAG_PERF_T_PERF_H_
sl@0: 
sl@0: #include "t_testdll.h"
sl@0: #include "..\d_pagemove.h"
sl@0: 
sl@0: typedef TUint32 DTime_t;
sl@0: //#define EXTRA_TRACE
sl@0: 
sl@0: #ifdef EXTRA_TRACE
sl@0: #define TEST_PRINTF(x...) test.Printf(x)
sl@0: #else
sl@0: #define TEST_PRINTF(x...)
sl@0: #endif
sl@0: 
sl@0: #define MAXCHUNK_SIZE (40 * 1024 * 1024)
sl@0: #define MINCHUNK_SIZE (2 * 1024 * 1024)
sl@0: 
sl@0: 
sl@0: extern TInt TestDLLPerformance(TInt aNum); 
sl@0: class DefragLatency 
sl@0: {
sl@0: public:
sl@0: 	DefragLatency()
sl@0: 		{
sl@0: 		iIterations = iCummulative = iResult = 0;
sl@0: 		iMaxTime = (DTime_t)0;
sl@0: 		iMinTime = (DTime_t) -1;
sl@0: 		iCalDelay = 0;
sl@0: 		}
sl@0: 	~DefragLatency() {}
sl@0: 
sl@0: 	void CalibrateTimer(RTest& test);
sl@0: 
sl@0: private:
sl@0: 	static inline TUint32 GetFastCounter(void)
sl@0: 		{
sl@0: 		return User::FastCounter();
sl@0: 		}
sl@0: public:
sl@0: 	
sl@0: 	/** Log the new time diff and update iMaxTime and iMinTime appropriately
sl@0: 	*/
sl@0: 	inline void AddIteration(DTime_t aTimeDiff)
sl@0: 		{
sl@0: 		iTime1 = 0;
sl@0: 		iTime2 = 0;
sl@0: 
sl@0: 		if (aTimeDiff > iMaxTime)
sl@0: 			iMaxTime = aTimeDiff;
sl@0: 
sl@0: 		if (aTimeDiff < iMinTime)
sl@0: 			iMinTime = aTimeDiff;
sl@0: 
sl@0: 		iCummulative += aTimeDiff;
sl@0: 		iIterations++;
sl@0: 		}
sl@0: 
sl@0: 	inline void StartTimer(void)
sl@0: 		{
sl@0: 		iTime1 = GetFastCounter();
sl@0: 		}
sl@0: 
sl@0: 	inline TUint32 StopTimer(RTest& aTest)
sl@0: 		{
sl@0: 		iTime2 = GetFastCounter();
sl@0: 		TUint32 diff = iTime2 - iTime1;
sl@0: 		if (iTime2 < iTime1)
sl@0: 			{
sl@0: 			aTest.Printf(_L("WARNING - Fast Counter rolled over.  Assuming only once and continuing\n"));
sl@0: 			diff = (KMaxTUint32 - iTime1) + iTime2;
sl@0: 			}
sl@0: 		AddIteration(diff);
sl@0: 		return diff;
sl@0: 		}
sl@0: 						
sl@0: 	DTime_t GetResult(DTime_t& aMax, DTime_t& aMin, DTime_t& aDelay)
sl@0: 		{
sl@0: 		iResult = (iCummulative / iIterations);
sl@0: 		aMax = iMaxTime;
sl@0: 		aMin = iMinTime;
sl@0: 		aDelay = iCalDelay;
sl@0: 		return iResult;
sl@0: 		}
sl@0: 
sl@0: 
sl@0: 	TInt iFastCounterFreq;
sl@0: private:
sl@0: 	int iIterations;
sl@0: 	DTime_t iCalDelay;
sl@0: 	DTime_t iTime1, iTime2;
sl@0: 	DTime_t iMaxTime, iMinTime;
sl@0: 	DTime_t iCummulative;
sl@0: 	DTime_t iResult;
sl@0: };
sl@0: 
sl@0: 
sl@0: class DllDefrag
sl@0: {
sl@0: public:
sl@0: 	DllDefrag()
sl@0: 		{
sl@0: 		iFunc0Addr = (TInt8 *)(-1);
sl@0: 		iFuncNAddr = (TInt8 *)0;
sl@0: 		iLib = new RLibrary;
sl@0: 		}
sl@0: 	~DllDefrag()
sl@0: 		{
sl@0: 		delete iLib;
sl@0: 		}
sl@0: 	TInt LoadTheLib(TInt aIdx, RTest& aTest);
sl@0: 	TInt TestDLLPerformance(TInt aNum, RPageMove& aPageMove, RTest& aTest);
sl@0: public:	
sl@0: 	RLibrary *iLib;
sl@0: 	TInt8 *iFunc0Addr;
sl@0: 	TInt8 *iFuncNAddr;
sl@0: };
sl@0: 
sl@0: #endif // _DEFRAG_PERF_T_PERF_H_
sl@0: