CacheStats.h

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/*
// $Id: //open/dev/fennel/cache/CacheStats.h#11 $
// Fennel is a library of data storage and processing components.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2005-2009 SQLstream, Inc.
// Copyright (C) 2005-2009 LucidEra, Inc.
// Portions Copyright (C) 1999-2009 John V. Sichi
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 of the License, or (at your option)
// any later version approved by The Eigenbase Project.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef Fennel_CacheStats_Included
#define Fennel_CacheStats_Included

FENNEL_BEGIN_NAMESPACE

class FENNEL_CACHE_EXPORT CacheStats
{
public:
    uint nHits;

    uint nHitsSinceInit;

    uint nRequests;

    uint nRequestsSinceInit;

    uint nVictimizations;

    uint nVictimizationsSinceInit;

    uint nDirtyPages;

    uint nPageReads;

    uint nPageReadsSinceInit;

    uint nPageWrites;

    uint nPageWritesSinceInit;

    uint nRejectedPrefetches;

    uint nRejectedPrefetchesSinceInit;

    uint nIoRetries;

    uint nIoRetriesSinceInit;

    uint nSuccessfulPrefetches;

    uint nSuccessfulPrefetchesSinceInit;

    uint nLazyWrites;

    uint nLazyWritesSinceInit;

    uint nLazyWriteCalls;

    uint nLazyWriteCallsSinceInit;

    uint nVictimizationWrites;

    uint nVictimizationWritesSinceInit;

    uint nCheckpointWrites;

    uint nCheckpointWritesSinceInit;

    uint nMemPagesAllocated;

    uint nMemPagesUnused;

    uint nMemPagesMax;
};

FENNEL_END_NAMESPACE

#endif

// End CacheStats.h

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