1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Statistics for NFS server. 4 * 5 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> 6 */ 7#ifndef _NFSD_STATS_H 8#define _NFSD_STATS_H 9 10#include <uapi/linux/nfsd/stats.h> 11 12 13struct nfsd_stats { 14 unsigned int rchits; /* repcache hits */ 15 unsigned int rcmisses; /* repcache hits */ 16 unsigned int rcnocache; /* uncached reqs */ 17 unsigned int fh_stale; /* FH stale error */ 18 unsigned int fh_lookup; /* dentry cached */ 19 unsigned int fh_anon; /* anon file dentry returned */ 20 unsigned int fh_nocache_dir; /* filehandle not found in dcache */ 21 unsigned int fh_nocache_nondir; /* filehandle not found in dcache */ 22 unsigned int io_read; /* bytes returned to read requests */ 23 unsigned int io_write; /* bytes passed in write requests */ 24 unsigned int th_cnt; /* number of available threads */ 25 unsigned int th_usage[10]; /* number of ticks during which n perdeciles 26 * of available threads were in use */ 27 unsigned int th_fullcnt; /* number of times last free thread was used */ 28 unsigned int ra_size; /* size of ra cache */ 29 unsigned int ra_depth[11]; /* number of times ra entry was found that deep 30 * in the cache (10percentiles). [10] = not found */ 31#ifdef CONFIG_NFSD_V4 32 unsigned int nfs4_opcount[LAST_NFS4_OP + 1]; /* count of individual nfsv4 operations */ 33#endif 34 35}; 36 37 38extern struct nfsd_stats nfsdstats; 39extern struct svc_stat nfsd_svcstats; 40 41void nfsd_stat_init(void); 42void nfsd_stat_shutdown(void); 43 44#endif /* _NFSD_STATS_H */ 45