mars-nwe/include/nwnss/include/inst.h

/****************************************************************************
 |
 |	(C) Copyright 1985, 1991, 1993, 1996 Novell, Inc.
 |	All Rights Reserved.
 |
 |	This program is free software; you can redistribute it and/or
 |	modify it under the terms of version 2 of the GNU General Public
 |	License as published by the Free Software Foundation.
 |
 |	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, contact Novell, Inc.
 |
 |	To contact Novell about this file by physical or electronic mail,
 |	you may find current contact information at www.novell.com
 |
 |***************************************************************************
 |
 |	 NetWare Advance File Services (NSS) module
 |
 |---------------------------------------------------------------------------
 |
 | $Author: vandana $
 | $Date: 2006-11-16 22:18:20 +0530 (Thu, 16 Nov 2006) $
 |
 | $RCSfile$
 | $Revision: 1662 $
 |
 |---------------------------------------------------------------------------
 |	This module is used to:
 |		Defines instrumentation data saved by pss.
 |
 | WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
 |
 | This header file should ONLY be used for NSS internal development.
 | This includes Semantic Agents (SA) and Loadable Storage Services (LSS).
 | Any other use may cause conflicts which NSS will NOT fix.
 +-------------------------------------------------------------------------*/
#ifndef _INST_H_
#define _INST_H_

#ifndef _ZOMNI_H_
#	include <public/zOmni.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

	/* Use to indicate that we will not be doing a pre-read.
	 * Needed in places where mode says CACHE_UPDATE/CACHE_READ
	 * but caller is allocating the block so they will just
	 * be zeroing the block verses reading it.  By using
	 * STAT_CACHE_ALLOCATE it tells the stats not to count
	 * a MISS.
	 */
#define	STAT_CACHE_ALLOCATE	CACHE_WRITE

typedef struct Inst_s
{
	struct
	{		/* Oct 2006.  We now have two types of caches to track.
				The original NSS cache, that works off of Buffer_s and now
				the Linux cache.  The Linux cache is in Linux himem.
				It can hold metadata (just added) or user pages
				(added a few months ago).  The Linux stats all have
				'Linux' in their names.  The other stats only track
				the original NSS cache.  To get a total cache picture
				you need to add the Linux items with the NSS items.  This
				is what 'nss /cachestat' and the BufferCache.xml file
				on the admin volume do.
			 */
		NINT	ioMissUserSystem;			/* Tracks BOTH user and system in original NSS cache */
		NINT	ioMissSystem;
		NINT	ioMissLinuxUserSystem;		/* Tracks BOTH user and system in high Linux cache */
		NINT	ioMissLinuxSystem;
		NINT	ioHitUserSystem;			/* Tracks BOTH user and system in original NSS cache */
		NINT	ioHitSystem;
		NINT	ioHitLinuxUserSystem;		/* Tracks BOTH user and system in high Linux cache */
		NINT	ioHitLinuxSystem;
		QUAD	ioMissUserSystemTotal;		/* Tracks BOTH user and system in original NSS cache */
		QUAD	ioMissSystemTotal;
		QUAD	ioMissLinuxUserSystemTotal;	/* Tracks BOTH user and system in high Linux cache */
		QUAD	ioMissLinuxSystemTotal;
		QUAD	ioHitUserSystemTotal;		/* Tracks BOTH user and system in original NSS cache */
		QUAD	ioHitSystemTotal;
		QUAD	ioHitLinuxUserSystemTotal;	/* Tracks BOTH user and system in high Linux cache */
		QUAD	ioHitLinuxSystemTotal;

        NINT    numFreePageBuffers;         /* PageBuffer_s items on NSS free list */
        NINT    numMetadataHimemPagesInLowMemory;   /* Number of Linux Himem pages that are in low memory. */

        QUAD    numMetadataHimemPagesAllocFailures;
        QUAD    numLRUPageBufferDEQFailures;

	} cache;
	struct
	{
		NINT	grow;
		NINT	shrink;
		NINT	insert;
		NINT	found;
		NINT	update;
		NINT	remove;		/* 07-22-98: sksmith change delete to remove
								because it conflicts with C++ delete. */
		NINT	split;
		NINT	join;
		struct
		{
			NINT	total;
			NINT	child;
			NINT	sibling;
		} balance;
		struct
		{
			NINT	free;
			NINT	alloc;
		} block;
		NINT	overflow;
		NINT	underflow;
	} ztree;
	struct
	{
		NINT	openCount;
		NINT	curFileReadCount;	  	/* curr count not yet added to total */
		NINT	curFileWriteCount;	  	/* curr count not yet added to total */
		NINT	curBytesRead;		  	/* curr count not yet added to total */
		NINT	curBytesWritten;	  	/* curr count not yet added to total */
		QUAD	totalFileReadCount;  	/* Total number of reads on NSS volumes */
		QUAD	totalFileWriteCount; 	/* Total number of reads on NSS volumes */
		QUAD	totalBytesRead;	 	 	/* Total bytes read on NSS volumes */
		QUAD	totalBytesWritten;	  	/* Total bytes written on NSS volumes */
		NINT	deletedCount;			/* File deleted count */
		NINT 	salvagedCount;			/* File salvaged count */
		NINT	purgedCount;	 		/* File purged count */
		NINT	openFilesCount;			/* number of named open files */
	} file;
	struct
	{
		NINT	hit;					/* Beast Hash hit */
		NINT	positiveHit;			/* Beast Hash positive hit */
		NINT	negativeHit;			/* Beast Hash negative hit */
		NINT	miss;					/* Beast Hash miss */
		QUAD	hitTotal;				/* Beast Hash hit (64 bit)*/
		QUAD	positiveHitTotal;		/* Beast Hash positive hit (64 bit)*/
		QUAD	negativeHitTotal;		/* Beast Hash negative hit (64 bit)*/
		QUAD	missTotal;				/* Beast Hash miss (64 bit)*/
	} bst;
	NINT	resetUpTime;		/* The 'UpTimeInSeconds' that last reset occurred */
} Inst_s;

typedef struct PageInst_s
{
	LONG	pgTotal;	/* Pages currently allocated to NSS				*/
	QUAD	pgAlloc;	/* Pages allocated by mallocPage				*/
	QUAD	pgZalloc;	/* Pages allocated by zallocPage				*/
	QUAD	pgFree;		/* Pages given back using freePage				*/
	QUAD	pgRequest;	/* Pages given back by xRequestPage				*/
	QUAD	pgContig;	/* Pages given back by xRequestContiguousPages	*/
} PageInst_s;


extern Inst_s		Inst;
extern PageInst_s	PageInst;

extern void initInst(void);
extern void harvestInst(void);
extern void resetInst(void);

#ifdef __cplusplus
}
#endif

#endif