LXR linux/fs/nfsd/stats.h

   1/*
   2 * Statistics for NFS server.
   3 *
   4 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
   5 */
   6#ifndef _NFSD_STATS_H
   7#define _NFSD_STATS_H
   8
   9#include <uapi/linux/nfsd/stats.h>
  10
  11
  12struct 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 */
  30#ifdef CONFIG_NFSD_V4
  31        unsigned int    nfs4_opcount[LAST_NFS4_OP + 1]; /* count of individual nfsv4 operations */
  32#endif
  33
  34};
  35
  36
  37extern struct nfsd_stats        nfsdstats;
  38extern struct svc_stat          nfsd_svcstats;
  39
  40void    nfsd_stat_init(void);
  41void    nfsd_stat_shutdown(void);
  42
  43#endif /* _NFSD_STATS_H */
  44