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_perfdll.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #define __E32TEST_EXTENSION__
sl@0: #include <e32test.h>
sl@0: #include <e32hal.h>
sl@0: #include "..\d_pagemove.h"
sl@0: #include "t_perf.h"
sl@0: #include "t_testdll.h"
sl@0: 
sl@0: _LIT(KDllbaseName, "t_defragperf");
sl@0: 
sl@0: TPtrC TestPlExtNames = _L(".dll");
sl@0: 
sl@0: const TInt KIterations = 50;
sl@0: 
sl@0: #define MAXDLLS 1
sl@0: 
sl@0: 
sl@0: #define MINDLL_PAGES (100 * E_SIZE)
sl@0: 
sl@0: typedef TInt (*TCallFunction)(TUint32 funcIndex, TInt param1, TInt param2);
sl@0: 
sl@0: TInt DllDefrag::LoadTheLib(TInt aIdx, RTest& test)
sl@0: 	{
sl@0: 
sl@0: 	TBuf<128>           nameBuffer;
sl@0: 	TUint32             FuncCount;
sl@0: 	TLibraryFunction    InitFunc;
sl@0: 	TLibraryFunction    FunctionCountFunc;
sl@0: 	TCallFunction       CallFunctionFunc;
sl@0: 	TLibraryFunction    SetCloseFunc;
sl@0: 	TLibraryFunction    Function0AddrFunc, FunctionNAddrFunc;
sl@0: 	TInt retVal;
sl@0: 
sl@0: 	if (iLib == NULL)
sl@0: 		return KErrNoMemory;
sl@0: 
sl@0: 
sl@0: 	nameBuffer.Format(_L("%S%d%S"), &KDllbaseName, aIdx, &TestPlExtNames);
sl@0: 
sl@0: 	/* Load the DLL */
sl@0: 	TEST_PRINTF(_L("Loading the DLL (%S) ...\n"), &nameBuffer);
sl@0: 
sl@0: 	retVal = iLib->Load(nameBuffer);
sl@0: 
sl@0: 	if (retVal != KErrNone)
sl@0: 		{
sl@0: 		test.Printf(_L("Load Failed %S (%d)\n"), &nameBuffer, aIdx);
sl@0: 		return KErrGeneral;
sl@0: 		}
sl@0: 
sl@0: 	TEST_PRINTF(_L("Loaded %S (%d)\n"), &nameBuffer, aIdx);
sl@0: 
sl@0: 	/* Test that the DLL is loaded correctly */
sl@0: 	InitFunc = iLib->Lookup(DEFRAGDLL_FUNC_Init);
sl@0: 	FunctionCountFunc = iLib->Lookup(DEFRAGDLL_FUNC_FunctionCount);
sl@0: 	CallFunctionFunc = (TCallFunction)iLib->Lookup(DEFRAGDLL_FUNC_CallFunction);
sl@0: 	SetCloseFunc = iLib->Lookup(DEFRAGDLL_FUNC_SetClose);
sl@0: 	Function0AddrFunc = iLib->Lookup(DEFRAGDLL_FUNC_func0);
sl@0: 	FunctionNAddrFunc = iLib->Lookup(DEFRAGDLL_FUNC_funcN);
sl@0: 
sl@0: 	if (InitFunc == NULL ||
sl@0: 		FunctionCountFunc == NULL ||
sl@0: 		CallFunctionFunc == NULL ||
sl@0: 		SetCloseFunc == NULL)
sl@0: 		{
sl@0: 		return KErrGeneral;
sl@0: 		}
sl@0: 
sl@0: 	retVal = (InitFunc)();
sl@0: 	if (retVal != KErrNone)
sl@0: 		return KErrGeneral;
sl@0: 
sl@0: 	FuncCount = (FunctionCountFunc)();
sl@0: 	if (FuncCount == 0)
sl@0: 		return KErrGeneral;
sl@0: 
sl@0: 	iFunc0Addr = (TInt8 *)(Function0AddrFunc)();
sl@0: 	iFuncNAddr = (TInt8 *)(FunctionNAddrFunc)();
sl@0: 		
sl@0: 	TEST_PRINTF(_L("%S:Func0 = %x FuncN = %x\n"), &nameBuffer, iFunc0Addr, iFuncNAddr);
sl@0: 	
sl@0: 	if (iFunc0Addr == NULL || iFuncNAddr == NULL)
sl@0: 			return KErrGeneral;
sl@0: 
sl@0: 	if (iFunc0Addr > iFuncNAddr) 
sl@0: 		return KErrGeneral;
sl@0: 
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: TInt DllDefrag::TestDLLPerformance(TInt aDummy, RPageMove& aPageMove, RTest& test)
sl@0: {
sl@0: 	DefragLatency timer;
sl@0: 	TInt size = iFuncNAddr - iFunc0Addr;
sl@0: 	const TUint8 *end = (TUint8 *)iFunc0Addr + size; 
sl@0: 
sl@0: 	TInt pageSize;
sl@0: 	TInt r = UserHal::PageSizeInBytes(pageSize);
sl@0: 	test_KErrNone(r);
sl@0: 	TEST_PRINTF(_L("size %x"), size);
sl@0: 	TInt pagesToMove = _ALIGN_UP(size, pageSize) / pageSize;
sl@0: 	// Ensure there is at least one page to move
sl@0: 	test_Compare(size, >=, 1);
sl@0: 
sl@0: 	timer.CalibrateTimer(test);
sl@0: 
sl@0: 
sl@0: 	for (TInt j = 0; j < KIterations; j++)
sl@0: 		{
sl@0: 		TUint8* base = (TUint8 *)iFunc0Addr;
sl@0: 				
sl@0: 		timer.StartTimer();
sl@0: 		while (base < end) 
sl@0: 			{
sl@0: 			test_KErrNone(aPageMove.TryMovingUserPage(base));
sl@0: 			base += pageSize;
sl@0: 			}
sl@0: 		timer.StopTimer(test);
sl@0: 		}
sl@0: 	
sl@0: 	DTime_t average, max, min, delay;
sl@0: 	TEST_PRINTF(_L("Finished moving %d dll pages\n"), pagesToMove);
sl@0: 	average = timer.GetResult(max, min, delay);
sl@0: 	test.Printf(_L("Fast counter ticks to move %d dll pages: Av %d Min %d Max %d (Overhead %d)\n"), pagesToMove, average, min, max, delay);
sl@0: 	test.Printf(_L("Average of %d ticks to move one page\n\n"), average / pagesToMove);
sl@0: 
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: