stats.h

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/*
 * linux/include/linux/nfsd/stats.h
 *
 * Statistics for NFS server.
 *
 * Copyright (C) 1995, 1996 Olaf Kirch <[email protected]>
 */
#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 */