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 <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;
+ }