author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 16:05:13 +0300 | |
changeset 34 | 7259cf1302ad |
parent 0 | a03f92240627 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include "MemSpyEngineHelperSysMemTrackerImp.h" |
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// System includes |
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#include <e32debug.h> |
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// User includes |
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#include <memspy/engine/memspyengine.h> |
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#include <memspy/engine/memspyengineutils.h> |
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#include <memspy/engine/memspyengineobjectthread.h> |
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#include <memspy/engine/memspyengineobjectprocess.h> |
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#include <memspy/engine/memspyengineobjectcontainer.h> |
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#include <memspy/engine/memspyenginehelperheap.h> |
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#include <memspy/engine/memspyenginehelperchunk.h> |
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#include <memspy/engine/memspyenginehelpersysmemtrackercycle.h> |
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#include <memspy/engine/memspyenginehelpersysmemtrackerobserver.h> |
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#include "MemSpyEngineHelperSysMemTrackerEntryManager.h" |
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// Constants |
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const TInt KMemSpyDefaultTrackerTimerPeriod = 30; // Seconds |
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CMemSpyEngineHelperSysMemTrackerImp::CMemSpyEngineHelperSysMemTrackerImp( CMemSpyEngine& aEngine ) |
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: CTimer( EPriorityStandard ), iEngine( aEngine ) |
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{ |
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CActiveScheduler::Add( this ); |
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iConfig.iTimerPeriod = TTimeIntervalMicroSeconds32( KMemSpyDefaultTrackerTimerPeriod * 1000000 ); |
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} |
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CMemSpyEngineHelperSysMemTrackerImp::~CMemSpyEngineHelperSysMemTrackerImp() |
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{ |
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Cancel(); |
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// |
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delete iEntryManager; |
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// |
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iCompletedCycles.ResetAndDestroy(); |
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iCompletedCycles.Close(); |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::ConstructL() |
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{ |
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CTimer::ConstructL(); |
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} |
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CMemSpyEngineHelperSysMemTrackerImp* CMemSpyEngineHelperSysMemTrackerImp::NewL( CMemSpyEngine& aEngine ) |
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{ |
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CMemSpyEngineHelperSysMemTrackerImp* self = new(ELeave) CMemSpyEngineHelperSysMemTrackerImp( aEngine ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::StartL( const TMemSpyEngineHelperSysMemTrackerConfig& aConfig ) |
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{ |
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TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::StartL() - START - timer period: %d", Config().TimerPeriod().Int() ) ); |
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// Zap any old data |
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Reset(); |
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// Cache client settings |
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iConfig = aConfig; |
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// Make new cycle |
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PrepareInitialCycleL(); |
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// Start tracking via timer - future updates will by driven by RunL(). |
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After( Config().TimerPeriod() ); |
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TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::END() - START - timer period: %d", Config().TimerPeriod().Int() ) ); |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::StopL() |
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{ |
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Cancel(); |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::SetObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver ) |
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{ |
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iObserver = aObserver; |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::RemoveObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver ) |
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{ |
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if ( iObserver == aObserver ) |
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{ |
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iObserver = NULL; |
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} |
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} |
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const RPointerArray< CMemSpyEngineHelperSysMemTrackerCycle >& CMemSpyEngineHelperSysMemTrackerImp::CompletedCycles() const |
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{ |
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return iCompletedCycles; |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::Reset() |
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{ |
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Cancel(); |
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iCompletedCycles.ResetAndDestroy(); |
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// |
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if ( iObserver ) |
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{ |
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TRAP_IGNORE( iObserver->HandleCyclesResetL() ); |
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} |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesNowL() |
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{ |
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const TInt count = iCompletedCycles.Count(); |
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TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesNowL() - START - isActive: %d, cycleCount: %d", IsActive(), count ) ); |
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if ( IsActive() ) |
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{ |
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Cancel(); |
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CheckForChangesL(); |
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After( Config().TimerPeriod() ); |
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} |
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else |
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{ |
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// Timer not running, so we're probably being poked by some external-to-memspy client that |
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// wants to force an update. |
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// |
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// If we've never yet performed an initital cycle, then prep that. Otherwise, just proceed as normal |
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// as if we had been called back via RunL(). |
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if ( count == 0 ) |
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{ |
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PrepareInitialCycleL(); |
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} |
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else |
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{ |
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CheckForChangesL(); |
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} |
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} |
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TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesNowL() - END - isActive: %d, cycleCount: %d", IsActive(), iCompletedCycles.Count() ) ); |
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} |
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TInt CMemSpyEngineHelperSysMemTrackerImp::MdcaCount() const |
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{ |
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return iCompletedCycles.Count(); |
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} |
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TPtrC CMemSpyEngineHelperSysMemTrackerImp::MdcaPoint( TInt aIndex ) const |
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{ |
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const CMemSpyEngineHelperSysMemTrackerCycle* cycleInfo = iCompletedCycles[ aIndex ]; |
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const TPtrC ret( cycleInfo->Caption() ); |
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return ret; |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::NotifyObserverCycleStartedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle ) |
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{ |
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if ( iObserver ) |
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{ |
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TRAP_IGNORE( iObserver->HandleCycleStartedL( aCycle ) ); |
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} |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::NotifyObserverCycleFinishedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle ) |
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{ |
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if ( iObserver ) |
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{ |
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TRAP_IGNORE( iObserver->HandleCycleFinishedL( aCycle ) ); |
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aCycle.DiscardChanges(); |
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} |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::AddCycleAndPopL( CMemSpyEngineHelperSysMemTrackerCycle* aCycle ) |
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{ |
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iCompletedCycles.AppendL( aCycle ); |
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CleanupStack::Pop( aCycle ); |
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aCycle->FinalizeL(); |
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} |
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CMemSpyEngineHelperSysMemTrackerCycle* CMemSpyEngineHelperSysMemTrackerImp::LastCycleOrNull() |
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{ |
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CMemSpyEngineHelperSysMemTrackerCycle* ret = NULL; |
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// |
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const TInt count = iCompletedCycles.Count(); |
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if ( count ) |
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{ |
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ret = iCompletedCycles[ count - 1 ]; |
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} |
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// |
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return ret; |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::PrepareInitialCycleL() |
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{ |
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// Create seed items |
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CMemSpyEngineHelperSysMemTrackerEntryManager* entryManager = CMemSpyEngineHelperSysMemTrackerEntryManager::NewL( *this ); |
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delete iEntryManager; |
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iEntryManager = entryManager; |
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// Everything changes on the first cycle. |
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CMemSpyEngineHelperSysMemTrackerCycle* baselineCycle = CMemSpyEngineHelperSysMemTrackerCycle::NewLC( iConfig ); |
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NotifyObserverCycleStartedL( *baselineCycle ); |
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iEntryManager->EverythingHasChangedL( *baselineCycle ); |
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AddCycleAndPopL( baselineCycle ); |
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NotifyObserverCycleFinishedL( *baselineCycle ); |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesL() |
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{ |
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// Create info structure |
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CMemSpyEngineHelperSysMemTrackerCycle* cycle = CMemSpyEngineHelperSysMemTrackerCycle::NewLC( iConfig, LastCycleOrNull() ); |
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// Notify |
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NotifyObserverCycleStartedL( *cycle ); |
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// Find changes |
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iEntryManager->IdentifyChangesL( *cycle ); |
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// Finalise the cycle and save it |
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AddCycleAndPopL( cycle ); |
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// Notify |
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NotifyObserverCycleFinishedL( *cycle ); |
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} |
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void CMemSpyEngineHelperSysMemTrackerImp::RunL() |
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{ |
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CheckForChangesL(); |
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After( Config().TimerPeriod() ); |
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} |
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TInt CMemSpyEngineHelperSysMemTrackerImp::RunError( TInt aError ) |
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{ |
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RDebug::Printf( "CMemSpyEngineHelperSysMemTrackerImp::RunError() - aError: %d", aError ); |
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(void) aError; |
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// |
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Cancel(); |
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After( Config().TimerPeriod() ); |
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// |
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return KErrNone; |
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} |
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