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 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 */ 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 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 43 #endif /* _NFSD_STATS_H */ 44