[linux-2.6-block.git] / fs / nfsd / stats.h

/*
 * Statistics for NFS server.
 *
 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
 */
#ifndef _NFSD_STATS_H
#define _NFSD_STATS_H

#include <uapi/linux/nfsd/stats.h>


struct nfsd_stats {
	unsigned int	rchits;		/* repcache hits */
	unsigned int	rcmisses;	/* repcache hits */
	unsigned int	rcnocache;	/* uncached reqs */
	unsigned int	fh_stale;	/* FH stale error */
	unsigned int	fh_lookup;	/* dentry cached */
	unsigned int	fh_anon;	/* anon file dentry returned */
	unsigned int	fh_nocache_dir;	/* filehandle not found in dcache */
	unsigned int	fh_nocache_nondir;	/* filehandle not found in dcache */
	unsigned int	io_read;	/* bytes returned to read requests */
	unsigned int	io_write;	/* bytes passed in write requests */
	unsigned int	th_cnt;		/* number of available threads */
	unsigned int	th_usage[10];	/* number of ticks during which n perdeciles
					 * of available threads were in use */
	unsigned int	th_fullcnt;	/* number of times last free thread was used */
	unsigned int	ra_size;	/* size of ra cache */
	unsigned int	ra_depth[11];	/* number of times ra entry was found that deep
					 * in the cache (10percentiles). [10] = not found */
#ifdef CONFIG_NFSD_V4
	unsigned int	nfs4_opcount[LAST_NFS4_OP + 1];	/* count of individual nfsv4 operations */
#endif

};


extern struct nfsd_stats	nfsdstats;
extern struct svc_stat		nfsd_svcstats;

void	nfsd_stat_init(void);
void	nfsd_stat_shutdown(void);

#endif /* _NFSD_STATS_H */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	* Statistics for NFS server.
	3	*
	4	* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
	5	*/
7f94423e CH	6	#ifndef _NFSD_STATS_H
7f94423e CH	7	#define _NFSD_STATS_H
1da177e4	8
616d1ca5	9	#include <uapi/linux/nfsd/stats.h>
42d671c7	10
42d671c7	11
1da177e4 LT	12	struct nfsd_stats {
	13	unsigned int rchits; /* repcache hits */
	14	unsigned int rcmisses; /* repcache hits */
	15	unsigned int rcnocache; /* uncached reqs */
	16	unsigned int fh_stale; /* FH stale error */
	17	unsigned int fh_lookup; /* dentry cached */
	18	unsigned int fh_anon; /* anon file dentry returned */
	19	unsigned int fh_nocache_dir; /* filehandle not found in dcache */
	20	unsigned int fh_nocache_nondir; /* filehandle not found in dcache */
	21	unsigned int io_read; /* bytes returned to read requests */
	22	unsigned int io_write; /* bytes passed in write requests */
	23	unsigned int th_cnt; /* number of available threads */
	24	unsigned int th_usage[10]; /* number of ticks during which n perdeciles
	25	* of available threads were in use */
	26	unsigned int th_fullcnt; /* number of times last free thread was used */
	27	unsigned int ra_size; /* size of ra cache */
	28	unsigned int ra_depth[11]; /* number of times ra entry was found that deep
	29	* in the cache (10percentiles). [10] = not found */
e2b20950 SA	30	#ifdef CONFIG_NFSD_V4
	31	unsigned int nfs4_opcount[LAST_NFS4_OP + 1]; /* count of individual nfsv4 operations */
	32	#endif
	33
1da177e4 LT	34	};
1da177e4 LT	35
1da177e4 LT	36
	37	extern struct nfsd_stats nfsdstats;
	38	extern struct svc_stat nfsd_svcstats;
	39
	40	void nfsd_stat_init(void);
	41	void nfsd_stat_shutdown(void);
	42
7f94423e	43	#endif /* _NFSD_STATS_H */