author | Mike Kinghan <mikek@symbian.org> |
Mon, 26 Jul 2010 11:09:46 +0100 | |
branch | GCC_SURGE |
changeset 229 | 07a685bbdd3d |
parent 201 | 43365a9b78a3 |
permissions | -rw-r--r-- |
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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32test\mmu\t_chunk.cpp |
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// Tests on RChunk objects in connection with demand paging. |
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// Tests exercise the locking, unlocking, commiting and decommiting of |
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// pages to chunk objects. |
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// 1 Check Unlocked page gets counted as free memory |
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// 2 Check Unlock/Lock preserves page contents |
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// 3 Tests at chunk offset '0' |
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// 4 Check Lock is idempotent |
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// 5 Check non page aligned Unlock/Lock |
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// 6 Check unlocked pages get reclaimed for new memory allocation |
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// 7 Check reclaimed memory is unmapped from original location |
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// 8 Check Lock fails when memory is reclaimed |
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// 9 Check Lock failure Decommits memory |
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// 10 Recommit memory to chunk |
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// 11 Check Commit on unlocked pages |
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// 12 Check Commit on unlocked and reclaimed pages |
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// 13 Restore chunk |
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// 14 Tests at chunk offset 'PageSize' |
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// 15 Check Lock is idempotent |
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// 16 Check non page aligned Unlock/Lock |
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// 17 Check unlocked pages get reclaimed for new memory allocation |
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// 18 Check reclaimed memory is unmapped from original location |
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// 19 Check Lock fails when memory is reclaimed |
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// 20 Check Lock failure Decommits memory |
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// 21 Recommit memory to chunk |
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// 22 Check Commit on unlocked pages |
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// 23 Check Commit on unlocked and reclaimed pages |
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// 24 Restore chunk |
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// 25 Tests at chunk offset '0x100000-PageSize' |
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// 26 Check Lock is idempotent |
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// 27 Check non page aligned Unlock/Lock |
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// 28 Check unlocked pages get reclaimed for new memory allocation |
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// 29 Check reclaimed memory is unmapped from original location |
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// 30 Check Lock fails when memory is reclaimed |
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// 31 Check Lock failure Decommits memory |
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// 32 Recommit memory to chunk |
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// 33 Check Commit on unlocked pages |
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// 34 Check Commit on unlocked and reclaimed pages |
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// 35 Restore chunk |
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// 36 Tests at chunk offset '0x400000-PageSize' |
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// 37 Check Lock is idempotent |
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// 38 Check non page aligned Unlock/Lock |
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// 39 Check unlocked pages get reclaimed for new memory allocation |
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// 40 Check reclaimed memory is unmapped from original location |
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// 41 Check Lock fails when memory is reclaimed |
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// 42 Check Lock failure Decommits memory |
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// 43 Recommit memory to chunk |
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// 44 Check Commit on unlocked pages |
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// 45 Check Commit on unlocked and reclaimed pages |
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// 46 Restore chunk |
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// 47 Big Unlock/Lock |
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// 48 Benchmarks... |
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// 49 Close chunk with unlocked pages which have been flushed |
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// |
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// |
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//! @SYMTestCaseID KBASE-T_CACHECHUNK-0336 |
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//! @SYMTestType UT |
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//! @SYMPREQ PREQ1110 |
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//! @SYMTestCaseDesc Demand Paging Loader Stress Tests |
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//! @SYMTestActions 0 Commit all of memory |
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//! @SYMTestExpectedResults All tests should pass. |
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//! @SYMTestPriority High |
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//! @SYMTestStatus Implemented |
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#define __E32TEST_EXTENSION__ |
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#include <e32test.h> |
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#include <e32panic.h> |
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#include <e32svr.h> |
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#include <hal.h> |
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#include "mmudetect.h" |
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#include "d_memorytest.h" |
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#include "d_gobble.h" |
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#include <dptest.h> |
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#include "freeram.h" |
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#include "../demandpaging/t_dpcmn.h" |
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RTest test(_L("T_CACHECHUNK")); |
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RMemoryTestLdd MemoryTest; |
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RChunk TestChunk; |
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TUint8* TestChunkBase; |
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TInt CommitEnd; |
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TInt PageSize; |
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TInt NoFreeRam; |
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RTimer Timer; |
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TBool gFmm; |
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void FillPage(TUint aOffset) |
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{ |
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TUint8* ptr = TestChunkBase+aOffset; |
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TUint8* ptrEnd = ptr+PageSize; |
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do *((TUint32*&)ptr)++ = aOffset+=4; |
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while(ptr<ptrEnd); |
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} |
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TBool CheckPage(TUint aOffset) |
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{ |
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TUint8* ptr = TestChunkBase+aOffset; |
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TUint8* ptrEnd = ptr+PageSize; |
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do if(*((TUint32*&)ptr)++ != (aOffset+=4)) break; |
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while(ptr<ptrEnd); |
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return ptr==ptrEnd; |
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} |
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TBool CheckPages(TUint aOffset, TInt aNumPages) |
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{ |
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while(aNumPages--) |
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if(!CheckPage(aOffset+=PageSize)) |
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return EFalse; |
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return ETrue; |
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} |
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TBool IsPageMapped(TUint aOffset) |
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{ |
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TUint32 value; |
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TInt r=MemoryTest.ReadMemory(TestChunkBase+aOffset,value); |
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return r==KErrNone; |
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} |
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void Tests(TInt aOffset) |
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{ |
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if(aOffset+5*PageSize>=CommitEnd) |
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{ |
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test.Start(_L("TEST NOT RUN - Not enough system RAM")); |
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test.End(); |
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return; |
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} |
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TInt r; |
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TInt freeRam; |
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TUint origChunkSize = TestChunk.Size(); |
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test.Start(_L("Check Unlock is idempotent")); |
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r = TestChunk.Unlock(aOffset+PageSize,PageSize); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam+PageSize); |
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r = TestChunk.Unlock(aOffset+PageSize,PageSize); |
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test_KErrNone(r); |
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test_Equal(FreeRam(), freeRam); |
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// Ensure unlock on reclaimed pages is idempotent |
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TInt flushSupported = UserSvr::HalFunction(EHalGroupVM,EVMHalFlushCache,0,0); |
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r = TestChunk.Unlock(aOffset+PageSize,PageSize); |
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test_KErrNone(r); |
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test_Equal(FreeRam(), freeRam); |
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test_Equal(origChunkSize, TestChunk.Size()); |
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if (flushSupported == KErrNotSupported) |
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{// Flush cache not supported so lock won't fail so no need to recommit the pages. |
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test_KErrNone(TestChunk.Lock(aOffset+PageSize,PageSize)); |
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} |
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else |
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{// Recommit the reclaimed pages. |
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test_KErrNone(flushSupported); |
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test_Equal(KErrNotFound, TestChunk.Lock(aOffset+PageSize,PageSize)); |
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test_KErrNone(TestChunk.Commit(aOffset+PageSize,PageSize)); |
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} |
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test.Next(_L("Check Lock is idempotent")); |
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r = TestChunk.Lock(aOffset,3*PageSize); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam); |
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CheckPages(aOffset,3); |
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r = TestChunk.Lock(aOffset,3*PageSize); |
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test_KErrNone(r); |
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CheckPages(aOffset,3); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam); |
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test_Equal(origChunkSize, TestChunk.Size()); |
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test.Next(_L("Check non page aligned Unlock/Lock")); |
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r = TestChunk.Unlock(aOffset+PageSize-1,1); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam+PageSize); |
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r = TestChunk.Lock(aOffset+PageSize-1,1); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam); |
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r = TestChunk.Unlock(aOffset+PageSize-1,2); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam+PageSize*2); |
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r = TestChunk.Lock(aOffset+PageSize-1,2); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam); |
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test_Equal(origChunkSize, TestChunk.Size()); |
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test.Next(_L("Check unlocked pages get reclaimed for new memory allocation")); |
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r=TestChunk.Commit(CommitEnd,PageSize); |
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test(r==KErrNoMemory); |
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r = TestChunk.Unlock(aOffset,4*PageSize); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam+PageSize*4); |
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r=TestChunk.Commit(CommitEnd,PageSize); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam<NoFreeRam+PageSize*4); |
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r=TestChunk.Decommit(CommitEnd,PageSize); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam+PageSize*4); |
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UserSvr::HalFunction(EHalGroupVM,EVMHalFlushCache,0,0); // make sure unlocked page is gone |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam+PageSize*4); |
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#ifndef __WINS__ // wins fakery doesn't actually do this |
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test.Next(_L("Check reclaimed memory is unmapped and decommitted from original location")); |
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TInt mappedPages = IsPageMapped(aOffset+PageSize*0); |
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mappedPages += IsPageMapped(aOffset+PageSize*1); |
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mappedPages += IsPageMapped(aOffset+PageSize*2); |
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mappedPages += IsPageMapped(aOffset+PageSize*3); |
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test(mappedPages<4); |
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#endif |
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if(aOffset>PageSize) |
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{ |
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test(CheckPage(aOffset+PageSize*-1)); // should be left mapped |
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} |
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test(CheckPage(aOffset+PageSize*4)); // should be left mapped |
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test.Next(_L("Check Lock fails when memory is reclaimed")); |
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r = TestChunk.Lock(aOffset,4*PageSize); |
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test(r==KErrNotFound); |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam+PageSize*4); |
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test.Next(_L("Check Lock failure Decommits memory")); |
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test(!IsPageMapped(aOffset+PageSize*0)); |
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test(!IsPageMapped(aOffset+PageSize*1)); |
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test(!IsPageMapped(aOffset+PageSize*2)); |
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test(!IsPageMapped(aOffset+PageSize*3)); |
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test_Equal(origChunkSize-PageSize*4, TestChunk.Size()); |
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test.Next(_L("Recommit memory to chunk")); |
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TInt offset; |
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for(offset=aOffset; offset<aOffset+PageSize*4; offset+=PageSize) |
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{ |
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r=TestChunk.Commit(offset,PageSize); |
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test_KErrNone(r); |
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FillPage(offset); |
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} |
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freeRam = FreeRam(); |
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test(freeRam==NoFreeRam); |
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test_Equal(origChunkSize, TestChunk.Size()); |
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test.Next(_L("Check Commit on unlocked pages")); |
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r = TestChunk.Unlock(aOffset,4*PageSize); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test(freeRam>=NoFreeRam+PageSize*4); |
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r=TestChunk.Commit(aOffset,4*PageSize); |
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test(r==KErrAlreadyExists); |
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freeRam = FreeRam(); |
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test(freeRam>=NoFreeRam+PageSize*4); |
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test_Equal(origChunkSize, TestChunk.Size()); |
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test.Next(_L("Check Commit on unlocked and reclaimed pages")); |
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// unlock and force a page to be reclaimed... |
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r=TestChunk.Commit(CommitEnd,PageSize); |
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test_KErrNone(r); |
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r=TestChunk.Decommit(CommitEnd,PageSize); |
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test_KErrNone(r); |
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UserSvr::HalFunction(EHalGroupVM,EVMHalFlushCache,0,0); // make sure unlocked page is gone |
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freeRam = FreeRam(); |
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test(freeRam>=NoFreeRam+PageSize*4); |
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// check can't commit any pages (because they are unlocked, not decommitted)... |
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r=TestChunk.Commit(aOffset+PageSize*0,PageSize); |
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test(r==KErrAlreadyExists); |
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r=TestChunk.Commit(aOffset+PageSize*1,PageSize); |
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test(r==KErrAlreadyExists); |
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r=TestChunk.Commit(aOffset+PageSize*2,PageSize); |
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test(r==KErrAlreadyExists); |
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r=TestChunk.Commit(aOffset+PageSize*3,PageSize); |
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test(r==KErrAlreadyExists); |
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freeRam = FreeRam(); |
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test(freeRam>=NoFreeRam+PageSize*4); |
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test_Equal(origChunkSize, TestChunk.Size()); |
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// Restore the chunk to original size. |
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r = TestChunk.Lock(aOffset,4*PageSize); |
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test_Equal(r, KErrNotFound); |
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freeRam = FreeRam(); |
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test_Compare(freeRam, >=, NoFreeRam+PageSize*4); |
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test_Equal(origChunkSize - PageSize*4, TestChunk.Size()); |
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r = TestChunk.Commit(aOffset, PageSize*4); |
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test_KErrNone(r); |
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test.Next(_L("Check Decommit on unlocked pages")); |
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// Get orignal page cache size |
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TUint minCache = 0; |
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TUint maxCache = 0; |
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TUint oldCache = 0; |
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TUint newCache = 0; |
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if (gFmm) |
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{ |
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r = DPTest::CacheSize(minCache, maxCache, oldCache); |
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test_KErrNone(r); |
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} |
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r = TestChunk.Unlock(aOffset,PageSize*4); |
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test_KErrNone(r); |
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TUint spareCache = maxCache - oldCache; |
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if (gFmm && spareCache) |
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{// Cache wasn't at maximum so should have grown when unlocked pages were added. |
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r = DPTest::CacheSize(minCache, maxCache, newCache); |
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test_KErrNone(r); |
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TUint extraCache = (spareCache > (TUint)PageSize*4)? PageSize*4 : spareCache; |
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test_Equal(oldCache + extraCache, newCache); |
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} |
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test(FreeRam() >= NoFreeRam+PageSize*4); |
334 |
r=TestChunk.Decommit(aOffset, PageSize*4); |
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test_KErrNone(r); |
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freeRam = FreeRam(); |
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test_Compare(freeRam, >=, NoFreeRam+PageSize*4); |
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test_Equal(origChunkSize - PageSize*4, TestChunk.Size()); |
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if (gFmm) |
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{// Cache should have shrunk after pages were decommited. |
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r = DPTest::CacheSize(minCache, maxCache, newCache); |
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343 |
test_KErrNone(r); |
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344 |
test_Equal(oldCache, newCache); |
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345 |
} |
0 | 346 |
// Restore chunk back to original state |
347 |
r = TestChunk.Commit(aOffset, PageSize*4); |
|
348 |
test_KErrNone(r); |
|
152
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349 |
test_Equal(NoFreeRam, FreeRam()); |
0 | 350 |
|
351 |
test.Next(_L("Check Decommit on unlocked and reclaimed pages")); |
|
352 |
r = TestChunk.Unlock(aOffset,PageSize*4); |
|
353 |
test_KErrNone(r); |
|
354 |
freeRam = FreeRam(); |
|
355 |
test_Compare(freeRam, >=, NoFreeRam+PageSize*4); |
|
356 |
r=TestChunk.Commit(CommitEnd,PageSize); |
|
357 |
test_KErrNone(r); |
|
358 |
r=TestChunk.Decommit(CommitEnd,PageSize); |
|
359 |
test_KErrNone(r); |
|
360 |
UserSvr::HalFunction(EHalGroupVM,EVMHalFlushCache,0,0); // make sure unlocked page is gone |
|
361 |
freeRam = FreeRam(); |
|
362 |
test_Compare(freeRam, >=, NoFreeRam+PageSize*4); |
|
363 |
r=TestChunk.Decommit(aOffset, PageSize*4); |
|
364 |
test_KErrNone(r); |
|
365 |
freeRam = FreeRam(); |
|
366 |
test_Compare(freeRam, >=, NoFreeRam+PageSize*4); |
|
367 |
test_Equal(origChunkSize - PageSize*4, TestChunk.Size()); |
|
368 |
||
369 |
test.Next(_L("Restore chunk")); |
|
370 |
test_Equal(origChunkSize-PageSize*4, TestChunk.Size()); |
|
371 |
for(offset=aOffset; offset<aOffset+PageSize*4; offset+=PageSize) |
|
372 |
{ |
|
373 |
r=TestChunk.Commit(offset,PageSize); |
|
374 |
test_KErrNone(r); |
|
375 |
FillPage(offset); |
|
376 |
} |
|
377 |
freeRam = FreeRam(); |
|
378 |
test(freeRam==NoFreeRam); |
|
379 |
test_Equal(origChunkSize, TestChunk.Size()); |
|
380 |
||
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|
381 |
test.Next(_L("Check Decommit on a mixture of locked and unlocked pages")); |
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|
382 |
// Get orignal page cache size |
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383 |
if (gFmm) |
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|
384 |
{ |
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385 |
r = DPTest::CacheSize(minCache, maxCache, oldCache); |
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|
386 |
test_KErrNone(r); |
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} |
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|
388 |
r = TestChunk.Unlock(aOffset,PageSize); |
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389 |
test_KErrNone(r); |
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390 |
r = TestChunk.Unlock(aOffset + PageSize*2, PageSize); |
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391 |
test_KErrNone(r); |
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|
392 |
|
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spareCache = maxCache - oldCache; |
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394 |
if (gFmm && spareCache) |
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|
395 |
{// Cache wasn't at maximum so should have grown when unlocked pages were added. |
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|
396 |
r = DPTest::CacheSize(minCache, maxCache, newCache); |
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|
397 |
test_KErrNone(r); |
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|
398 |
TUint extraCache = (spareCache > (TUint)PageSize*2)? PageSize*2 : spareCache; |
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|
399 |
test_Equal(oldCache + extraCache, newCache); |
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400 |
} |
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|
401 |
test(FreeRam() >= NoFreeRam+PageSize*2); |
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402 |
r=TestChunk.Decommit(aOffset, PageSize*4); |
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|
403 |
test_KErrNone(r); |
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freeRam = FreeRam(); |
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test_Compare(freeRam, >=, NoFreeRam+PageSize*4); |
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|
406 |
test_Equal(origChunkSize - PageSize*4, TestChunk.Size()); |
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|
407 |
|
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408 |
if (gFmm) |
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|
409 |
{// Cache should have shrunk after pages were decommited. |
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|
410 |
r = DPTest::CacheSize(minCache, maxCache, newCache); |
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|
411 |
test_KErrNone(r); |
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412 |
test_Equal(oldCache, newCache); |
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413 |
} |
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|
414 |
// Restore chunk back to original state |
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415 |
r = TestChunk.Commit(aOffset, PageSize*4); |
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|
416 |
test_KErrNone(r); |
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|
417 |
test_Equal(NoFreeRam, FreeRam()); |
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|
418 |
|
0 | 419 |
test.End(); |
420 |
} |
|
421 |
||
422 |
||
423 |
||
424 |
void TestBenchmarks() |
|
425 |
{ |
|
426 |
TInt r = TestChunk.Unlock(0,CommitEnd); // start with everthing unlocked |
|
427 |
test_KErrNone(r); |
|
428 |
TInt testSizes[] = { PageSize,1<<16,1<<20,0 }; |
|
429 |
TInt* sizes = testSizes; |
|
430 |
TInt size; |
|
431 |
while((size=*sizes++)!=0) |
|
432 |
{ |
|
433 |
TRequestStatus status; |
|
434 |
Timer.After(status,1); |
|
435 |
User::WaitForRequest(status); |
|
436 |
TInt KRunTime = 1*1000*1000; |
|
437 |
Timer.After(status,KRunTime); |
|
438 |
TInt count = 0; |
|
439 |
while(status==KRequestPending) |
|
440 |
{ |
|
441 |
r = TestChunk.Lock(0,size); |
|
442 |
test_KErrNone(r); |
|
443 |
r = TestChunk.Unlock(0,size); |
|
444 |
test_KErrNone(r); |
|
445 |
++count; |
|
446 |
} |
|
447 |
User::WaitForRequest(status); |
|
448 |
test.Printf(_L("Unlock/Lock of %d kB takes %d us\n"),size>>10,KRunTime/count); |
|
449 |
} |
|
450 |
} |
|
451 |
||
452 |
||
453 |
||
454 |
void TestUnlockOld() |
|
455 |
{ |
|
456 |
// we start with TestChunk being locked and no or little free RAM |
|
457 |
// (hence live list should be close to minimum size.) |
|
458 |
||
459 |
// get sizes... |
|
460 |
TUint min = 0; |
|
461 |
TUint max = 0; |
|
462 |
TUint cur = 0; |
|
463 |
TInt r = DPTest::CacheSize(min,max,cur); |
|
464 |
||
465 |
// manipulate demand paging live list so we end up with zero old pages... |
|
466 |
||
467 |
r = TestChunk.Unlock(0,min*2); // dump 2*min bytes at start of live list |
|
468 |
test_KErrNone(r); |
|
469 |
// live list now cur+2*min bytes |
|
470 |
||
471 |
r = TestChunk.Commit(CommitEnd,cur); // use up 'cur' bytes of RAM from end of live list |
|
472 |
test_KErrNone(r); |
|
473 |
// live list now 2*min bytes of pages which were unlocked from our test chunk |
|
474 |
||
475 |
// lock pages until free RAM is <= 2 pages. |
|
476 |
// this should remove all of the 'old' pages |
|
477 |
TUint i = 0; |
|
478 |
while(FreeRam()>2*PageSize) |
|
479 |
{ |
|
480 |
TestChunk.Lock(i,PageSize); |
|
481 |
i += PageSize; |
|
482 |
test(i<=min); |
|
483 |
} |
|
484 |
// live list now min+2*PageSize bytes, with no old pages |
|
485 |
||
486 |
// now commit memory, which forces allocation from the demand paging live list |
|
487 |
// which doesn't have any old pages (the purpose of this test)... |
|
488 |
TUint extra = 0; |
|
489 |
for(;;) |
|
490 |
{ |
|
491 |
r = TestChunk.Commit(CommitEnd+min+extra,PageSize); |
|
492 |
if(r==KErrNoMemory) |
|
493 |
break; |
|
494 |
extra += PageSize; |
|
495 |
} |
|
496 |
test(extra>0); |
|
497 |
||
498 |
// restore commit state... |
|
499 |
r = TestChunk.Decommit(CommitEnd,min+extra); |
|
500 |
test_KErrNone(r); |
|
501 |
r = TestChunk.Decommit(0,min*2); |
|
502 |
test_KErrNone(r); |
|
503 |
r = TestChunk.Commit(0,min*2); |
|
504 |
test_KErrNone(r); |
|
505 |
} |
|
506 |
||
507 |
||
201
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|
508 |
TBool StopCacheThreads; |
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|
509 |
|
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|
510 |
TInt CacheThreadFunc(TAny* aMax) |
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|
511 |
{ |
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|
512 |
RThread::Rendezvous(KErrNone); |
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|
513 |
while (!StopCacheThreads) |
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|
514 |
{ |
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|
515 |
TInt maxSize = (TInt)aMax; |
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|
516 |
TInt minSize; |
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|
517 |
TInt r = KErrNone; |
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|
518 |
for (minSize = PageSize << 4; r == KErrNone && !StopCacheThreads; minSize += PageSize) |
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|
519 |
{ |
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|
520 |
r = UserSvr::HalFunction(EHalGroupVM,EVMHalSetCacheSize,(TAny*)minSize,(TAny*)maxSize); |
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|
521 |
User::After(minSize/PageSize); |
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|
522 |
} |
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|
523 |
for (minSize -= PageSize; |
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|
524 |
minSize > PageSize << 4 && r == KErrNone && !StopCacheThreads; |
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|
525 |
minSize -= PageSize) |
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|
526 |
{ |
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527 |
r = UserSvr::HalFunction(EHalGroupVM,EVMHalSetCacheSize,(TAny*)minSize,(TAny*)maxSize); |
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|
528 |
User::After(minSize/PageSize); |
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|
529 |
} |
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|
530 |
} |
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|
531 |
return KErrNone; |
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532 |
} |
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|
533 |
|
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|
534 |
|
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|
535 |
TInt DonateThreadFunc(TAny*) |
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|
536 |
{ |
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|
537 |
TChunkCreateInfo createInfo; |
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538 |
createInfo.SetCache(100 * PageSize); |
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539 |
RChunk chunk; |
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540 |
TInt r = chunk.Create(createInfo); |
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|
541 |
if (r != KErrNone) |
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|
542 |
{ |
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|
543 |
RDebug::Printf("DonateThreadFunc: Failed to create cache chunk %d", r); |
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|
544 |
return r; |
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|
545 |
} |
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|
546 |
TUint chunkEnd = 0; |
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547 |
while (chunk.Commit(chunkEnd, PageSize) == KErrNone) |
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548 |
chunkEnd += PageSize; |
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|
549 |
|
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550 |
RThread::Rendezvous(KErrNone); |
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551 |
while (!StopCacheThreads) |
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|
552 |
{ |
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553 |
for (TUint i = PageSize; i <= chunkEnd && !StopCacheThreads; i += PageSize) |
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|
554 |
{ |
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|
555 |
chunk.Unlock(0, i); |
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556 |
if (chunk.Lock(0, i) != KErrNone) |
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557 |
{// Recommit as many pages as possible. |
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558 |
while (chunk.Commit(0, chunkEnd) != KErrNone && !StopCacheThreads) |
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559 |
chunkEnd -= PageSize; |
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560 |
i = 0; |
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|
561 |
} |
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562 |
User::After(i/PageSize); |
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|
563 |
} |
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|
564 |
} |
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|
565 |
CLOSE_AND_WAIT(chunk); |
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|
566 |
return KErrNone; |
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|
567 |
} |
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|
568 |
|
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|
569 |
|
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570 |
TInt DirtyThreadFunc(TAny*) |
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|
571 |
{ |
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|
572 |
RThread::Rendezvous(KErrNone); |
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|
573 |
|
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|
574 |
RChunk chunk; |
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575 |
TChunkCreateInfo createInfo; |
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|
576 |
createInfo.SetNormal(PageSize * 100, PageSize *100); |
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|
577 |
createInfo.SetPaging(TChunkCreateInfo::EPaged); |
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|
578 |
TInt r = chunk.Create(createInfo); |
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|
579 |
if (r != KErrNone) |
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|
580 |
{ |
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|
581 |
RDebug::Printf("Failed to create a cache chunk %d", r); |
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|
582 |
return r; |
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|
583 |
} |
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|
584 |
TUint8* base = chunk.Base(); |
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585 |
// Dirty each page in the chunk so that there are dirty pages in the live |
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|
586 |
// list while it is being resized and pages are being unlocked. |
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|
587 |
while (!StopCacheThreads) |
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|
588 |
{ |
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|
589 |
TUint8* p = base; |
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|
590 |
TUint8* pEnd = base + chunk.Size(); |
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|
591 |
for (; p < pEnd && !StopCacheThreads; p += PageSize) |
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|
592 |
{ |
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|
593 |
*p = (TUint8)(pEnd - p); |
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|
594 |
User::After((TUint8)(pEnd - p)); |
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|
595 |
} |
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|
596 |
} |
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|
597 |
CLOSE_AND_WAIT(chunk); |
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|
598 |
return KErrNone; |
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|
599 |
} |
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|
600 |
|
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|
601 |
|
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|
602 |
void TestResizeExcess() |
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|
603 |
{ |
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|
604 |
test.Printf(_L("Commit all of memory again leaving 100 free pages\n")); |
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|
605 |
CommitEnd = 0; |
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|
606 |
TInt r; |
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|
607 |
while(KErrNone==(r=TestChunk.Commit(CommitEnd,PageSize))) |
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|
608 |
{ |
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|
609 |
CommitEnd += PageSize; |
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|
610 |
} |
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|
611 |
test(r==KErrNoMemory); |
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|
612 |
test_KErrNone(TestChunk.Unlock(0, 100 * PageSize)); |
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|
613 |
|
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|
614 |
SVMCacheInfo info; |
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|
615 |
test_KErrNone(UserSvr::HalFunction(EHalGroupVM, EVMHalGetCacheSize, &info, 0)); |
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|
616 |
|
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|
617 |
StopCacheThreads = EFalse; |
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|
618 |
RThread cacheThread; |
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|
619 |
r = cacheThread.Create( KNullDesC, CacheThreadFunc, KDefaultStackSize, PageSize, |
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|
620 |
PageSize, (TAny*)info.iMaxSize); |
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|
621 |
test_KErrNone(r); |
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|
622 |
TRequestStatus threadStarted; |
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|
623 |
cacheThread.Rendezvous(threadStarted); |
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|
624 |
TRequestStatus cacheStatus; |
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|
625 |
cacheThread.Logon(cacheStatus); |
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|
626 |
cacheThread.Resume(); |
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|
627 |
User::WaitForRequest(threadStarted); |
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|
628 |
test_KErrNone(threadStarted.Int()); |
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|
629 |
|
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|
630 |
// Create the dirty thread before the donate thread as the donate thread may |
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|
631 |
// consume all the free ram periodically. |
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|
632 |
RThread dirtyThread; |
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|
633 |
r = dirtyThread.Create(KNullDesC, DirtyThreadFunc, KDefaultStackSize, PageSize, PageSize, NULL); |
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|
634 |
test_KErrNone(r); |
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|
635 |
dirtyThread.Rendezvous(threadStarted); |
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|
636 |
TRequestStatus dirtyStatus; |
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637 |
dirtyThread.Logon(dirtyStatus); |
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638 |
dirtyThread.Resume(); |
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639 |
User::WaitForRequest(threadStarted); |
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test_KErrNone(threadStarted.Int()); |
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|
641 |
|
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642 |
RThread donateThread; |
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r = donateThread.Create(KNullDesC, DonateThreadFunc, KDefaultStackSize, PageSize, PageSize, NULL); |
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644 |
test_KErrNone(r); |
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donateThread.Rendezvous(threadStarted); |
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|
646 |
TRequestStatus donateStatus; |
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647 |
donateThread.Logon(donateStatus); |
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648 |
donateThread.Resume(); |
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649 |
User::WaitForRequest(threadStarted); |
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test_KErrNone(threadStarted.Int()); |
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|
651 |
|
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652 |
// Run test for 10 secs. |
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User::After(10000000); |
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|
654 |
|
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655 |
// End the test. |
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StopCacheThreads = ETrue; |
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User::WaitForRequest(donateStatus); |
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test_Equal(EExitKill, donateThread.ExitType()); |
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test_KErrNone(donateThread.ExitReason()); |
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User::WaitForRequest(dirtyStatus); |
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test_Equal(EExitKill, dirtyThread.ExitType()); |
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test_KErrNone(dirtyThread.ExitReason()); |
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User::WaitForRequest(cacheStatus); |
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test_Equal(EExitKill, cacheThread.ExitType()); |
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test_KErrNone(cacheThread.ExitReason()); |
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|
666 |
|
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667 |
CLOSE_AND_WAIT(donateThread); |
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668 |
CLOSE_AND_WAIT(cacheThread); |
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CLOSE_AND_WAIT(dirtyThread); |
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|
670 |
|
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671 |
test_KErrNone(UserSvr::HalFunction( EHalGroupVM, |
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672 |
EVMHalSetCacheSize, |
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673 |
(TAny*)info.iMinSize, |
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674 |
(TAny*)info.iMaxSize)); |
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675 |
} |
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|
676 |
|
0 | 677 |
|
678 |
TInt E32Main() |
|
679 |
{ |
|
680 |
test.Title(); |
|
681 |
||
682 |
if (!HaveVirtMem()) |
|
683 |
{ |
|
684 |
test.Printf(_L("This test requires an MMU\n")); |
|
685 |
return KErrNone; |
|
686 |
} |
|
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|
687 |
// See if were running on the Flexible Memory Model or newer. |
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|
688 |
TUint32 memModelAttrib = (TUint32)UserSvr::HalFunction(EHalGroupKernel, EKernelHalMemModelInfo, NULL, NULL); |
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|
689 |
gFmm = (memModelAttrib & EMemModelTypeMask) >= EMemModelTypeFlexible; |
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|
690 |
|
0 | 691 |
test.Start(_L("Initialise test")); |
692 |
test.Next(_L("Load gobbler LDD")); |
|
693 |
TInt r = User::LoadLogicalDevice(KGobblerLddFileName); |
|
694 |
test(r==KErrNone || r==KErrAlreadyExists); |
|
695 |
RGobbler gobbler; |
|
696 |
r = gobbler.Open(); |
|
697 |
test(r==KErrNone); |
|
698 |
TUint32 taken = gobbler.GobbleRAM(496*1024*1024); |
|
699 |
test.Printf(_L("Gobbled: %dK\n"), taken/1024); |
|
700 |
test.Printf(_L("Free RAM 0x%08X bytes\n"),FreeRam()); |
|
701 |
||
702 |
test_KErrNone(HAL::Get(HAL::EMemoryPageSize,PageSize)); |
|
703 |
TInt totalRAM; |
|
704 |
test_KErrNone(HAL::Get(HAL::EMemoryRAM, totalRAM)); |
|
705 |
totalRAM -= taken; |
|
706 |
test.Printf(_L("totalRAM=%dK\n"), totalRAM/1024); |
|
707 |
||
708 |
test(KErrNone==MemoryTest.Open()); |
|
709 |
// Create the test chunk. It must not be paged otherwise |
|
710 |
// unlocking its pages will have no effect. |
|
711 |
TChunkCreateInfo createInfo; |
|
712 |
createInfo.SetCache(totalRAM); |
|
713 |
test_KErrNone(TestChunk.Create(createInfo)); |
|
714 |
TestChunkBase = TestChunk.Base(); |
|
715 |
||
716 |
test(KErrNone==Timer.CreateLocal()); |
|
717 |
UserSvr::HalFunction(EHalGroupVM,EVMHalFlushCache,0,0); |
|
718 |
||
719 |
test.Next(_L("Commit all of memory")); |
|
720 |
CommitEnd = 0; |
|
721 |
while(KErrNone==(r=TestChunk.Commit(CommitEnd,PageSize))) |
|
722 |
{ |
|
723 |
FillPage(CommitEnd); |
|
724 |
CommitEnd += PageSize; |
|
725 |
} |
|
726 |
test(r==KErrNoMemory); |
|
727 |
NoFreeRam = FreeRam(); |
|
728 |
test(NoFreeRam<=PageSize); |
|
729 |
||
730 |
test.Next(_L("Check Unlocked page gets counted as free memory")); |
|
731 |
r = TestChunk.Unlock(0,PageSize); |
|
732 |
test_KErrNone(r); |
|
733 |
TInt freeRam = FreeRam(); |
|
734 |
test(freeRam==NoFreeRam+PageSize); |
|
735 |
r = TestChunk.Lock(0,PageSize); |
|
736 |
test_KErrNone(r); |
|
737 |
freeRam = FreeRam(); |
|
738 |
test(freeRam==NoFreeRam); |
|
739 |
||
740 |
test.Next(_L("Check Unlock/Lock preserves page contents")); |
|
741 |
TInt offset; |
|
742 |
for(offset=0; offset<CommitEnd; offset+=PageSize) |
|
743 |
{ |
|
744 |
test(CheckPage(offset)); |
|
745 |
r = TestChunk.Unlock(offset,PageSize); |
|
746 |
test_KErrNone(r); |
|
747 |
r = TestChunk.Lock(offset,PageSize); |
|
748 |
test_KErrNone(r); |
|
749 |
test(CheckPage(offset)); |
|
750 |
freeRam = FreeRam(); |
|
751 |
test(freeRam==NoFreeRam); |
|
752 |
} |
|
753 |
||
754 |
test.Next(_L("Tests at chunk offset '0'")); |
|
755 |
Tests(0); |
|
756 |
test.Next(_L("Tests at chunk offset 'PageSize'")); |
|
757 |
Tests(PageSize); |
|
758 |
test.Next(_L("Tests at chunk offset '0x100000-PageSize'")); |
|
759 |
Tests(0x100000-PageSize); |
|
760 |
test.Next(_L("Tests at chunk offset '0x400000-PageSize'")); |
|
761 |
Tests(0x400000-PageSize); |
|
762 |
||
763 |
// Remove limit on max size of live list |
|
764 |
TUint originalMin = 0; |
|
765 |
TUint originalMax = 0; |
|
766 |
TUint currentSize = 0; |
|
767 |
r = DPTest::CacheSize(originalMin, originalMax, currentSize); |
|
768 |
test(r == KErrNone || r == KErrNotSupported); |
|
769 |
TBool resizeCache = r == KErrNone; |
|
770 |
if (resizeCache) |
|
771 |
test_KErrNone(DPTest::SetCacheSize(originalMin, KMaxTUint)); |
|
772 |
||
773 |
test.Next(_L("Big Unlock/Lock")); |
|
774 |
r = TestChunk.Unlock(0,CommitEnd); |
|
775 |
test_KErrNone(r); |
|
776 |
freeRam = FreeRam(); |
|
777 |
test(freeRam>=NoFreeRam+CommitEnd); |
|
778 |
r = TestChunk.Lock(0,CommitEnd); |
|
779 |
test_KErrNone(r); |
|
780 |
freeRam = FreeRam(); |
|
781 |
test_Equal(NoFreeRam, freeRam); |
|
782 |
||
783 |
if (resizeCache) |
|
784 |
{ |
|
785 |
test.Next(_L("Check Unlock of old pages doesn't cause problems")); |
|
786 |
TestUnlockOld(); |
|
787 |
} |
|
788 |
||
789 |
test.Next(_L("Benchmarks...")); |
|
790 |
TestBenchmarks(); |
|
791 |
||
792 |
test.Next(_L("Close chunk with unlocked pages which have been flushed")); |
|
793 |
r = TestChunk.Unlock(0,CommitEnd); |
|
794 |
test_KErrNone(r); |
|
795 |
UserSvr::HalFunction(EHalGroupVM,EVMHalFlushCache,0,0); |
|
796 |
TestChunk.Close(); |
|
797 |
||
798 |
test.Next(_L("Check can't lock/unlock non-cache chunks")); |
|
799 |
RChunk chunk; |
|
800 |
test_KErrNone(chunk.CreateDisconnectedLocal(0,PageSize,2*PageSize)); |
|
801 |
test_Equal(KErrGeneral,chunk.Lock(PageSize,PageSize)); |
|
802 |
test_Equal(KErrGeneral,chunk.Unlock(0,PageSize)); |
|
803 |
chunk.Close(); |
|
804 |
||
805 |
// Restore original settings for live list size |
|
806 |
if (resizeCache) |
|
807 |
test_KErrNone(DPTest::SetCacheSize(originalMin, originalMax)); |
|
808 |
||
201
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Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
809 |
test_KErrNone(GetGlobalPolicies()); |
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Revision: 201027
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|
810 |
if (gDataPagingSupported) |
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Revision: 201027
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|
811 |
{ |
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Revision: 201027
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|
812 |
test.Next(_L("Test interactions of chunk unlocking and page cache resizing")); |
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Revision: 201027
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|
813 |
// Do this after the live list limit is restored. |
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|
814 |
test_KErrNone(TestChunk.Create(createInfo)); |
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Revision: 201027
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|
815 |
TestResizeExcess(); |
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Revision: 201027
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|
816 |
TestChunk.Close(); |
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Revision: 201027
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|
817 |
} |
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|
818 |
|
0 | 819 |
// end... |
820 |
test.End(); |
|
821 |
MemoryTest.Close(); |
|
822 |
gobbler.Close(); |
|
823 |
test.Close(); |
|
824 |
||
825 |
return KErrNone; |
|
826 |
} |