perfsrv/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapDataUser.cpp
/*
* 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 <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 "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;
}