aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/nfsd/stats.h
blob: e75b2544ff12f31973d76c50d976ff7ed25db87f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/*
 * linux/include/linux/nfsd/stats.h
 *
 * Statistics for NFS server.
 *
 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
 */
#ifndef LINUX_NFSD_STATS_H
#define LINUX_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 /* LINUX_NFSD_STATS_H */