--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/perfsrv/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapInfo.cpp Fri Sep 17 08:38:31 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 <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()
+ {
+ }