diff -r 000000000000 -r 5d03bc08d59c graphicstest/graphicstestharness/src/graphicsmemoryhogger.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graphicstest/graphicstestharness/src/graphicsmemoryhogger.cpp Tue Feb 02 01:47:50 2010 +0200 @@ -0,0 +1,127 @@ +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "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: +// + +/** + @file + @test + @internalComponent - Internal Symbian test code +*/ + +#include +#include +#include +#include +#include +#include +#include "graphicsmemoryhogger.h" + +_LIT(KTGraphicsMemoryHoggerPanic, "TGfxMemHog"); + +GLDEF_C TInt E32Main() + { + RDebug::Print(_L("Graphics Memory Hogger::E32Main - entry")); + + CTrapCleanup* TheTrapCleanup = CTrapCleanup::New(); + + TRAPD(err, StartTestL()); + if (err) + { + User::Panic(KTGraphicsMemoryHoggerPanic,err); + } + + delete TheTrapCleanup; + + RDebug::Print(_L("Graphics Memory Hogger::E32Main - exit")); + return KErrNone; + } + +LOCAL_C void StartTestL(void) + { + RDebug::Print(_L("Graphics Memory Hogger::StartTestL - entry")); + + TMemoryInfoV1Buf membuf; + UserHal::MemoryInfo(membuf); + const TReal maxmem = membuf().iTotalRamInBytes; + RDebug::Print(_L("GfxMemHog::TotalRamInBytes: %f"), maxmem); + + TInt pageSize = 0; + HAL::Get(HAL::EMemoryPageSize, pageSize); + RDebug::Print(_L("GfxMemHog::pageSize: %d"), pageSize); + + TInt maxHeap = 0; + HAL::Get(HALData::EMemoryRAM, maxHeap); + _LIT(KTGfxMemoryHogger, "GfxMemHog"); + + RHeap* myHeap; + myHeap = UserHeap::ChunkHeap(&KTGfxMemoryHogger, pageSize, maxmem); + + const TInt KOneSecond = 1000000; + + TInt newSize = pageSize; + // allocate an initial cell with size equal to the page size + TAny * myCell = myHeap->Alloc(newSize); + TAny * myCell2 = NULL; + + // for each cycle increase the memory allocated to the cell until + // the max is reached, at which point reset back to a cell of the + // size of a page. A second loop is used to write to memory locations + // in each page of the cell to ensure that the page is 'paged in' + FOREVER + { + newSize += pageSize*10; + TInt size = myHeap->Size(); + + myCell2 = myHeap->ReAlloc(myCell, newSize); + + if (myCell2 == NULL) + { + RDebug::Print(_L("GfxMemHog::ERROR: size reached = %d"), size); + newSize = pageSize; //reset + myCell = myHeap->ReAlloc(myCell, newSize); + + if (myCell == NULL) + { + RDebug::Print(_L("GfxMemHog::ERROR: Could not ReAlloc(myCell)")); + break; + } + } + else + { + RDebug::Print(_L("GfxMemHog::myHeap.Size() = %d"), myHeap->Size()); + + TInt index = 0; + TInt stop = (myHeap->AllocLen(myCell) - pageSize)/4; + RDebug::Print(_L("GfxMemHog::stop = %d"), stop); + RDebug::Print(_L("GfxMemHog::myCell.AllocLen() = %d"), myHeap->AllocLen(myCell)); + TInt loopCount = 0; + + // write to each page of memory in the heap + while(index