--- a/perfsrv/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapInfo.cpp Mon Sep 06 15:00:47 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,418 +0,0 @@
-/*
-* 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 <u32hal.h>
-#include <e32rom.h>
-#include <memspy/driver/memspydriverconstants.h>
-#include <memspy/driver/memspydriverobjectsshared.h>
-
-// 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; i<count; i++ )
- {
- const TMemSpyDriverCell& cell = iCellList[ i ];
- TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - storing entry: %d", i ));
- //
- iHeapStream->WriteInt32( cell.iType );
- iHeapStream->WriteUint32( reinterpret_cast<TUint32>( 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()
- {
- }