/*+
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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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+
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#include "MemSpyEngineHelperSysMemTrackerEntries.h"+
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+
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// System includes+
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#include <e32base.h>+
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#include <badesca.h>+
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+
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// Driver includes+
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#include <memspy/driver/memspydriverclient.h>+
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+
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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/memspyenginehelperheap.h>+
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#include <memspy/engine/memspyenginehelperchunk.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/memspyenginehelpercodesegment.h>+
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#include "MemSpyEngineHelperSysMemTrackerImp.h"+
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#include <memspy/engine/memspyenginehelpersysmemtrackercycle.h>+
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#include <memspy/engine/memspyenginehelpersysmemtrackerconfig.h>+
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+
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CMemSpyEngineHelperSysMemTrackerEntry::CMemSpyEngineHelperSysMemTrackerEntry( CMemSpyEngineHelperSysMemTrackerImp& aTracker, TMemSpyEngineSysMemTrackerType aType )+
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:   iTracker( aTracker ), iType( aType )+
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    {+
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    // Entry starts out alive - this also updates it's timestamp+
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    SetAlive();+
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+
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    // Entry starts out new by default+
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    SetNew( ETrue );+
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    }+
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+
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+
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TUint64 CMemSpyEngineHelperSysMemTrackerEntry::Key() const+
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    {+
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    const TUint32 val = ( Type() << 28 ); +
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    TUint64 ret = val;+
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    ret <<= 32;+
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    ret += Handle();+
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    return ret;+
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    }+
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+
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+
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void CMemSpyEngineHelperSysMemTrackerEntry::HandleNewCycleL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle )+
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    {+
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    __ASSERT_ALWAYS( !( IsNew() && IsDead() ), User::Panic(_L("MemSpySysMemT"), __LINE__ ) );+
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+
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    // First of all, if the item is not dead, then we can update the cycle stats+
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    if  ( IsAlive() )+
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        {+
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        UpdateCycleStatistics( aCycle );+
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        }+
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+
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    // We create change descriptors only if the item has changed state in some way.+
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    // I.e.:+
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    //+
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    // 1) If the entry is new or is dead, then we will require a change descriptor.+
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    // 2) If the entry has changed, we'll require a change descriptor.+
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    //+
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    // Case (1)+
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    if  ( IsNew() || IsDead() )+
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        {+
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        CreateChangeDescriptorL( aCycle );+
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        }+
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    else+
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        {+
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        // Case (2) +
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        const TBool hasChanged = HasChangedL( aCycle.Config() );+
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        if  ( hasChanged )+
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            {+
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            CreateChangeDescriptorL( aCycle );+
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            }+
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        }+
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    }+
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+
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+
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CMemSpyEngine& CMemSpyEngineHelperSysMemTrackerEntry::Engine()+
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    {+
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    return iTracker.Engine();+
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    }+
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+
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+
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void CMemSpyEngineHelperSysMemTrackerEntry::UpdateTime()+
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    {+
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    iLastUpdateTime.HomeTime();+
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    }+
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+
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+
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void CMemSpyEngineHelperSysMemTrackerEntry::UpdateFromL( const CMemSpyEngineHelperSysMemTrackerEntry& /*aEntry*/ )+
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    {+
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    }+
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+
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+
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TBool CMemSpyEngineHelperSysMemTrackerEntry::HasChangedL( const TMemSpyEngineHelperSysMemTrackerConfig& /*aConfig*/ ) const+
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    {+
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    // This item does not internally change state once created+
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    return EFalse;+
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    }+
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+
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+
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void CMemSpyEngineHelperSysMemTrackerEntry::CreateChangeDescriptorL( CMemSpyEngineHelperSysMemTrackerCycle& /*aCycle*/ )+
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    {+
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    }+
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+
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+
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void CMemSpyEngineHelperSysMemTrackerEntry::UpdateCycleStatistics( CMemSpyEngineHelperSysMemTrackerCycle& /*aCycle*/ )+
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    {+
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    }+
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