diff -r 000000000000 -r a03f92240627 memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapInfo.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapInfo.cpp Tue Feb 02 01:57:15 2010 +0200 @@ -0,0 +1,349 @@ +/* +* Copyright (c) 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: +* +*/ + +#include "MemSpyDriverLogChanHeapInfo.h" + +// System includes +#include +#include +#include +#include + +// Shared includes +#include "MemSpyDriverOpCodes.h" +#include "MemSpyDriverObjectsInternal.h" + +// User includes +#include "MemSpyDriverHeap.h" +#include "MemSpyDriverUtils.h" +#include "MemSpyDriverOSAdaption.h" +#include "MemSpyDriverHeapWalker.h" +#include "MemSpyDriverSuspensionManager.h" + + + +DMemSpyDriverLogChanHeapInfo::DMemSpyDriverLogChanHeapInfo( DMemSpyDriverDevice& aDevice, DThread& aThread ) +: DMemSpyDriverLogChanHeapBase( aDevice, aThread ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::DMemSpyDriverLogChanHeapInfo() - this: 0x%08x", this )); + } + + +DMemSpyDriverLogChanHeapInfo::~DMemSpyDriverLogChanHeapInfo() + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::~DMemSpyDriverLogChanHeapInfo() - START - this: 0x%08x", this )); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::~DMemSpyDriverLogChanHeapInfo() - END - this: 0x%08x", this )); + } + + + + + + + + +TInt DMemSpyDriverLogChanHeapInfo::Request( TInt aFunction, TAny* a1, TAny* a2 ) + { + TInt r = DMemSpyDriverLogChanHeapBase::Request( aFunction, a1, a2 ); + if ( r == KErrNone ) + { + if ( aFunction != EMemSpyDriverOpCodeHeapInfoFetchFreeCells ) + { + ReleaseFreeCells(); + } + // + switch( aFunction ) + { + case EMemSpyDriverOpCodeHeapInfoGetUser: + r = GetHeapInfoUser( (TMemSpyDriverInternalHeapRequestParameters*) a1 ); + break; + case EMemSpyDriverOpCodeHeapInfoGetKernel: + r = GetHeapInfoKernel( (TMemSpyDriverInternalHeapRequestParameters*) a1, (TDes8*) a2 ); + break; + case EMemSpyDriverOpCodeHeapInfoGetIsDebugKernel: + r = GetIsDebugKernel( (TBool*) a1 ); + break; + case EMemSpyDriverOpCodeHeapInfoFetchFreeCells: + r = FetchFreeCells( (TDes8*) a1 ); + break; + + default: + r = KErrNotSupported; + break; + } + } + // + return r; + } + + +TBool DMemSpyDriverLogChanHeapInfo::IsHandler( TInt aFunction ) const + { + return ( aFunction > EMemSpyDriverOpCodeHeapInfoBase && aFunction < EMemSpyDriverOpCodeHeapInfoEnd ); + } + + + + + + + + + + + + + +TInt DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser( TMemSpyDriverInternalHeapRequestParameters* aParams ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser() - START" ) ); + + TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, &iHeapInfoParams, sizeof(TMemSpyDriverInternalHeapRequestParameters) ); + if ( r != KErrNone ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - params read error: %d", r)); + } + else + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - thread id: %d, vtable: 0x%08x, debugAllocator: %d", iHeapInfoParams.iTid, iHeapInfoParams.iRHeapVTable, iHeapInfoParams.iDebugAllocator) ); + + r = OpenTempObject( iHeapInfoParams.iTid, EThread ); + if ( r != KErrNone ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - thread not found") ); + } + else + { + // Check that the process' thread's are suspended + DThread* thread = (DThread*) TempObject(); + if ( SuspensionManager().IsSuspended( *thread ) ) + { + TFullName chunkName; + + // Open client's heap + RMemSpyDriverRHeapUser rHeap( OSAdaption() ); + DChunk* userHeapChunk = NULL; + r = OpenUserHeap( *thread, iHeapInfoParams.iRHeapVTable, rHeap, userHeapChunk, &chunkName ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - opening client heap returned: %d", r) ); + + if ( r == KErrNone ) + { + // This object holds all of the info we will accumulate for the client. + TMemSpyHeapInfo masterHeapInfo; + masterHeapInfo.SetType( TMemSpyHeapInfo::ETypeRHeap ); + masterHeapInfo.SetTid( iHeapInfoParams.iTid ); + masterHeapInfo.SetPid( OSAdaption().DThread().GetOwningProcessId( *thread ) ); + + // This is the RHeap-specific object that contains all RHeap info + TMemSpyHeapInfoRHeap& rHeapInfo = masterHeapInfo.AsRHeap(); + + // This is the object data for the RHeap instance + TMemSpyHeapObjectDataRHeap& rHeapObjectData = rHeapInfo.ObjectData(); + rHeap.CopyObjectDataTo( rHeapObjectData ); + + // We must walk the client's heap in order to build statistics + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - calling heap walker constructor...")); + TMemSpyHeapWalkerNullObserver observer; + RMemSpyDriverHeapWalker heapWalker( rHeap, iHeapInfoParams.iDebugAllocator ); + if ( iHeapInfoParams.iBuildFreeCellList ) + { + heapWalker.SetObserver( this ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - collecting free cells")); + } + else + { + heapWalker.SetObserver( &observer ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - not collecting free cells")); + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - starting traversal..." )); + +#if ( defined( TRACE_TYPE_USERHEAP ) && defined( TRACE_TYPE_HEAPWALK ) ) + heapWalker.SetPrintDebug(); +#endif + r = heapWalker.Traverse(); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - finished traversal - err: %d", r )); + + TMemSpyHeapStatisticsRHeap& rHeapStats = rHeapInfo.Statistics(); + heapWalker.CopyStatsTo( rHeapStats ); + + // Get remaining meta data that isn't stored elsewhere + TMemSpyHeapMetaDataRHeap& rHeapMetaData = rHeapInfo.MetaData(); + rHeapMetaData.SetChunkName( chunkName ); + rHeapMetaData.SetChunkSize( (TUint) OSAdaption().DChunk().GetSize( *userHeapChunk ) ); + rHeapMetaData.SetChunkHandle( userHeapChunk ); + rHeapMetaData.SetChunkBaseAddress( OSAdaption().DChunk().GetBase( *userHeapChunk ) ); + rHeapMetaData.SetDebugAllocator( iHeapInfoParams.iDebugAllocator ); + rHeapMetaData.SetHeaderSizeFree( RMemSpyDriverRHeapBase::FreeCellHeaderSize() ); + rHeapMetaData.SetHeaderSizeAllocated( RMemSpyDriverRHeapBase::AllocatedCellHeaderSize( iHeapInfoParams.iDebugAllocator ) ); + rHeapMetaData.SetUserThread( ETrue ); + + // Get any heap-specific info + rHeap.GetHeapSpecificInfo( masterHeapInfo ); + + PrintHeapInfo( masterHeapInfo ); + + // Write free cells if requested + if ( r == KErrNone && iHeapInfoParams.iBuildFreeCellList ) + { + r = PrepareFreeCellTransferBuffer(); + } + + // Update info ready for writing back to the user-side + if ( r >= KErrNone ) + { + // Write results back to user-side + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - writing to user-side...")); + TMemSpyHeapInfo* userMasterInfo = iHeapInfoParams.iMasterInfo; + const TInt error = Kern::ThreadRawWrite( &ClientThread(), userMasterInfo, &masterHeapInfo, sizeof(TMemSpyHeapInfo) ); + if ( error < 0 ) + { + r = error; + } + } + + // Release resources + rHeap.DisassociateWithKernelChunk(); + } + } + else + { + r = KErrAccessDenied; + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - parent process not suspended => KErrAccessDenied")); + } + + CloseTempObject(); + } + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser() - END - ret: %d", r)); + return r; + } + + + + + + + +TInt DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel( TMemSpyDriverInternalHeapRequestParameters* aParams, TDes8* aTransferBuffer ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - START - aTransferBuffer: 0x%08x", aTransferBuffer ) ); + + TMemSpyDriverInternalHeapRequestParameters params; + TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalHeapRequestParameters) ); + if ( r == KErrNone ) + { + // Open kernel heap + TFullName heapChunkName; + RMemSpyDriverRHeapKernelInPlace rHeap; + r = OpenKernelHeap( rHeap, &heapChunkName ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - open err: %d", r ) ); + + if ( r == KErrNone ) + { + // We must identify if we have a debug kernel allocator + const TBool debugAllocator = IsDebugKernel( rHeap ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - debugAllocator: %d", debugAllocator ) ); + + r = DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel( rHeap, debugAllocator, heapChunkName, params.iMasterInfo, aTransferBuffer ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - base class get heap info: %d", r) ); + } + } + else + { + Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - params read error: %d", r); + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - END - ret: %d", r) ); + return r; + } + + + + + + +TInt DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel( TBool* aIsDebugKernel ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - START") ); + + TInt r = KErrNone; + TBool debugKernel = EFalse; + + NKern::ThreadEnterCS(); + + RMemSpyDriverRHeapKernelInPlace rHeap; + r = OpenKernelHeap( rHeap ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - open kernel heap returned: %d", r) ); + + if ( r == KErrNone ) + { + debugKernel = IsDebugKernel( rHeap ); + + // Tidy up + rHeap.DisassociateWithKernelChunk(); + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - debugKernel: %d", debugKernel) ); + + // Write back to user-land + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - writing to user-side...") ); + r = Kern::ThreadRawWrite( &ClientThread(), aIsDebugKernel, &debugKernel, sizeof(TBool) ); + + NKern::ThreadLeaveCS(); + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - END - ret: %d", r) ); + return r; + } + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +