diff -r 0ff24a8f6ca2 -r 98307c651589 perfsrv/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapInfo.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/perfsrv/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapInfo.cpp Mon Sep 06 15:00:47 2010 +0300 @@ -0,0 +1,418 @@ +/* +* 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 )); + ReleaseCellList(); + 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 != EMemSpyDriverOpCodeHeapInfoFetchCellList ) + { + ReleaseCellList(); + } + // + switch( aFunction ) + { + case EMemSpyDriverOpCodeHeapInfoGetUser: + r = GetHeapInfoUser( (TMemSpyDriverInternalHeapRequestParameters*) a1 ); + break; + case EMemSpyDriverOpCodeHeapInfoGetKernel: + r = GetHeapInfoKernel( (TMemSpyDriverInternalHeapRequestParameters*) a1, (TDes8*) a2 ); + break; + case EMemSpyDriverOpCodeHeapInfoGetIsDebugKernel: + r = GetIsDebugKernel(a1); + break; + case EMemSpyDriverOpCodeHeapInfoFetchCellList: + r = FetchCellList( (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 ) ) + { + // Open client's heap + RMemSpyDriverRHeapUser rHeap( OSAdaption() ); + r = rHeap.OpenUserHeap(*thread, iHeapInfoParams.iDebugAllocator); + 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(rHeap.GetTypeFromHelper()); + 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(); + + + // We must walk the client's heap in order to build statistics + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - calling heap walker constructor...")); + RMemSpyDriverHeapWalker heapWalker(rHeap); + if (iHeapInfoParams.iBuildFreeCellList || iHeapInfoParams.iBuildAllocCellList) + { + heapWalker.SetObserver( this ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - collecting cells")); + } + else + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - not collecting cells")); + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - starting traversal openerr: %d...", r)); + +#if ( defined( TRACE_TYPE_USERHEAP ) && defined( TRACE_TYPE_HEAPWALK ) ) + heapWalker.SetPrintDebug(); +#endif + if (r == KErrNone) 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(); + DChunk& userHeapChunk = rHeap.Chunk(); + TFullName chunkName; + userHeapChunk.FullName(chunkName); + rHeapMetaData.SetChunkName( chunkName ); + rHeapMetaData.SetChunkSize( (TUint) OSAdaption().DChunk().GetSize( userHeapChunk ) ); + rHeapMetaData.SetChunkHandle( &userHeapChunk ); + rHeapMetaData.SetChunkBaseAddress( OSAdaption().DChunk().GetBase( userHeapChunk ) ); + rHeapMetaData.SetDebugAllocator(rHeap.Helper()->AllocatorIsUdeb()); + rHeapMetaData.SetUserThread( ETrue ); + rHeapMetaData.iHeapSize = rHeap.Helper()->CommittedSize(); + rHeapMetaData.iAllocatorAddress = (TAny*)rHeap.Helper()->AllocatorAddress(); + rHeapMetaData.iMinHeapSize = rHeap.Helper()->MinCommittedSize(); + rHeapMetaData.iMaxHeapSize = rHeap.Helper()->MaxCommittedSize(); + + PrintHeapInfo( masterHeapInfo ); + + // Write free cells if requested + if ( r == KErrNone && (iHeapInfoParams.iBuildFreeCellList || iHeapInfoParams.iBuildAllocCellList)) + { + r = PrepareCellListTransferBuffer(); + } + + // 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.Close(); + } + } + 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 + RMemSpyDriverRHeapKernelInPlace rHeap; + r = rHeap.OpenKernelHeap(); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - open err: %d", r ) ); + + if ( r == KErrNone ) + { + r = DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel(rHeap, params.iMasterInfo, aTransferBuffer); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - base class get heap info: %d", r) ); + } + else + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - open err: %d", r ) ); + } + } + else + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - params read error: %d", r) ); + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - END - ret: %d", r) ); + return r; + } + + + + + + +TInt DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel(TAny* aResult) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - START") ); + + TInt r = KErrNone; + TBool debugKernel = EFalse; + + NKern::ThreadEnterCS(); + + RMemSpyDriverRHeapKernelInPlace rHeap; + r = rHeap.OpenKernelHeap(); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - open kernel heap returned: %d", r) ); + + if ( r == KErrNone ) + { + debugKernel = rHeap.Helper()->AllocatorIsUdeb(); + + // Tidy up + rHeap.Close(); + } + + 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(), aResult, &debugKernel, sizeof(TBool) ); + + NKern::ThreadLeaveCS(); + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - END - ret: %d", r) ); + return r; + } + +TInt DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() + { + // Transfer free cells immediately from xfer stream + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - START - iHeapStream: 0x%08x", iHeapStream )); + __ASSERT_ALWAYS( !iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotClosed ) ); + // + TInt r = KErrNoMemory; + // + NKern::ThreadEnterCS(); + // + iHeapStream = new RMemSpyMemStreamWriter(); + if ( iHeapStream ) + { + const TInt requiredMemory = CalculateCellListBufferSize(); + r = OpenXferStream( *iHeapStream, requiredMemory ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - requested %d bytes for free cell list, r: %d", requiredMemory, r )); + + if ( r == KErrNone ) + { + const TInt count = iCellList.Count(); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - cell count: %d", count )); + // + iHeapStream->WriteInt32( count ); + for( TInt i=0; iWriteInt32( cell.iType ); + iHeapStream->WriteUint32( reinterpret_cast( cell.iAddress ) ); + iHeapStream->WriteInt32( cell.iLength ); + } + + // Finished with the array now + iCellList.Reset(); + + // We return the amount of client-side memory that needs to be allocated to hold the buffer + r = requiredMemory; + } + } + // + NKern::ThreadLeaveCS(); + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - END - r: %d", r)); + return r; + } + + +TInt DMemSpyDriverLogChanHeapInfo::FetchCellList( TDes8* aBufferSink ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::FetchCellList() - START - iHeapStream: 0x%08x", iHeapStream )); + __ASSERT_ALWAYS( iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotOpen ) ); + + TInt r = KErrNone; + + // Write buffer to client + NKern::ThreadEnterCS(); + r = iHeapStream->WriteAndClose( aBufferSink ); + + // Tidy up + ReleaseCellList(); + + NKern::ThreadLeaveCS(); + // + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::FetchCellList() - END - r: %d", r)); + return r; + } + + + +TInt DMemSpyDriverLogChanHeapInfo::CalculateCellListBufferSize() const + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::CalculateCellListBufferSize() - START" )); + + const TInt count = iCellList.Count(); + const TInt entrySize = sizeof( TInt32 ) + sizeof( TInt32 ) + sizeof( TUint32 ); + const TInt r = ( count * entrySize ) + sizeof( TInt ); // Extra TInt to hold count + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::CalculateCellListBufferSize() - END - r: %d, count: %d, entrySize: %d", r, count, entrySize )); + return r; + } + + + +void DMemSpyDriverLogChanHeapInfo::ReleaseCellList() + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::ReleaseCellList() - START - this: 0x%08x", this )); + + NKern::ThreadEnterCS(); + iCellList.Reset(); + delete iHeapStream; + iHeapStream = NULL; + NKern::ThreadLeaveCS(); + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::ReleaseCellList() - END - this: 0x%08x", this )); + } + +TBool DMemSpyDriverLogChanHeapInfo::HandleHeapCell(TMemSpyDriverCellType aCellType, TAny* aCellAddress, TInt aLength, TInt /*aNestingLevel*/, TInt /*aAllocNumber*/) + { + TInt err = KErrNone; + if (((aCellType & EMemSpyDriverFreeCellMask) && iHeapInfoParams.iBuildFreeCellList) || + ((aCellType & EMemSpyDriverAllocatedCellMask) && iHeapInfoParams.iBuildAllocCellList)) + { + TMemSpyDriverCell cell; + cell.iType = aCellType; + cell.iAddress = aCellAddress; + cell.iLength = aLength; + + NKern::ThreadEnterCS(); + err = iCellList.Append(cell); + NKern::ThreadLeaveCS(); + } + return err == KErrNone; + } + +void DMemSpyDriverLogChanHeapInfo::HandleHeapWalkInit() + { + }