diff -r 516af714ebb4 -r f2950aff7424 perfsrv/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapDataUser.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/perfsrv/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapDataUser.cpp Mon Oct 04 02:45:59 2010 +0300 @@ -0,0 +1,256 @@ +/* +* 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 "MemSpyDriverLogChanHeapDataUser.h" + +// System includes +#include +#include +#include +#include + +// Shared includes +#include "MemSpyDriverOpCodes.h" +#include "MemSpyDriverObjectsInternal.h" + +// User includes +#include "MemSpyDriverHeap.h" +#include "MemSpyDriverUtils.h" +#include "MemSpyDriverDevice.h" +#include "MemSpyDriverOSAdaption.h" +#include "MemSpyDriverHeapWalker.h" +#include "MemSpyDriverUserEventMonitor.h" +#include "MemSpyDriverSuspensionManager.h" + +DMemSpyDriverLogChanHeapDataUser::DMemSpyDriverLogChanHeapDataUser( DMemSpyDriverDevice& aDevice, DThread& aThread ) +: DMemSpyDriverLogChanHeapDataBase( aDevice, aThread ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::DMemSpyDriverLogChanHeapDataUser() - this: 0x%08x", this )); + } + +TInt DMemSpyDriverLogChanHeapDataUser::Request( TInt aFunction, TAny* a1, TAny* a2 ) + { + TInt r = DMemSpyDriverLogChanHeapBase::Request( aFunction, a1, a2 ); + if ( r == KErrNone ) + { + if ( aFunction != EMemSpyDriverOpCodeHeapUserDataFetchCellList ) + { + ReleaseCellList(); + } + // + switch( aFunction ) + { + case EMemSpyDriverOpCodeHeapUserDataGetInfo: + r = GetInfoData( (TMemSpyDriverInternalHeapRequestParameters*) a1 ); + break; + case EMemSpyDriverOpCodeHeapUserDataFetchCellList: + r = FetchCellList( (TDes8*) a1 ); + break; + case EMemSpyDriverOpCodeHeapUserDataGetFull: + r = DMemSpyDriverLogChanHeapDataBase::GetFullData( (TMemSpyDriverInternalHeapDataParams*) a1 ); + break; + + default: + r = KErrNotSupported; + break; + } + } + // + return r; + } + + +TBool DMemSpyDriverLogChanHeapDataUser::IsHandler( TInt aFunction ) const + { + return ( aFunction > EMemSpyDriverOpCodeHeapUserDataBase && aFunction < EMemSpyDriverOpCodeHeapUserDataEnd ); + } + +TInt DMemSpyDriverLogChanHeapDataUser::GetInfoData( TMemSpyDriverInternalHeapRequestParameters* aParams ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData() - START" ) ); + + TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, &iHeapInfoParams, sizeof(TMemSpyDriverInternalHeapRequestParameters) ); + if ( r != KErrNone ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - params read error: %d", r)); + } + else + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - 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("DMemSpyDriverLogChanHeapDataUser::GetInfoData - 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("DMemSpyDriverLogChanHeapDataUser::GetInfoData - 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("DMemSpyDriverLogChanHeapDataUser::GetInfoData - calling heap walker constructor...")); + RMemSpyDriverHeapWalker heapWalker(rHeap); + if (iHeapInfoParams.iBuildFreeCellList || iHeapInfoParams.iBuildAllocCellList) + { + heapWalker.SetObserver( this ); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - collecting cells")); + } + else + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - not collecting cells")); + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - starting traversal ..." )); + +#if ( defined( TRACE_TYPE_USERHEAP ) && defined( TRACE_TYPE_HEAPWALK ) ) + heapWalker.SetPrintDebug(); +#endif + if (r == KErrNone) r = heapWalker.Traverse(); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - 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("DMemSpyDriverLogChanHeapDataUser::GetInfoData - 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("DMemSpyDriverLogChanHeapDataUser::GetInfoData - parent process not suspended => KErrAccessDenied")); + } + + CloseTempObject(); + } + } + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData() - END - ret: %d", r)); + return r; + } + +TInt DMemSpyDriverLogChanHeapDataUser::GetFullData( TMemSpyDriverInternalHeapDataParams& aParams ) + { + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - START") ); + + TInt r = OpenTempObject( aParams.iTid, EThread ); + if ( r != KErrNone ) + { + Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - END - thread not found"); + return r; + } + else + { + const DMemSpyDriverLogChanHeapBase::TDrmMatchType drmMatchType = IsDrmThread( TempObjectAsThread() ); + + if ( drmMatchType != DMemSpyDriverLogChanHeapBase::EMatchTypeNone ) + { + // Check whether it's a DRM thread... + DThread* thread = (DThread*) TempObject(); + Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - END - Not allowing dump of DRM heap - matchType: %d, thread: %O", drmMatchType, thread ); + CloseTempObject(); + return KErrAccessDenied; + } + } + + // Check that the process' thread's are suspended + DThread* thread = (DThread*) TempObject(); + if ( SuspensionManager().IsSuspended( *thread ) ) + { + // Open the heap + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - thread: %O", thread) ); + RMemSpyDriverRHeapUser heap( OSAdaption() ); + r = heap.OpenUserHeap(*thread, aParams.iDebugAllocator); + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - opening heap returned: %d", r) ); + if (r == KErrNone) + { + r = DoGetFullData(aParams, thread, heap); + } + else + { + Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - couldnt open heap for thread %O, err=%d", thread, r); + r = KErrNotSupported; + } + heap.Close(); + } + else + { + Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - parent process not suspended => KErrAccessDenied - thread: %O", thread ); + r = KErrAccessDenied; + } + + CloseTempObject(); + + TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - END - ret: %d", r) ); + return r; + }