^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Statistics for NFS server.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef _NFSD_STATS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define _NFSD_STATS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <uapi/linux/nfsd/stats.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct nfsd_stats {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) unsigned int rchits; /* repcache hits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) unsigned int rcmisses; /* repcache hits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) unsigned int rcnocache; /* uncached reqs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) unsigned int fh_stale; /* FH stale error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) unsigned int fh_lookup; /* dentry cached */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) unsigned int fh_anon; /* anon file dentry returned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) unsigned int fh_nocache_dir; /* filehandle not found in dcache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) unsigned int fh_nocache_nondir; /* filehandle not found in dcache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) unsigned int io_read; /* bytes returned to read requests */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned int io_write; /* bytes passed in write requests */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) unsigned int th_cnt; /* number of available threads */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) unsigned int th_usage[10]; /* number of ticks during which n perdeciles
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * of available threads were in use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) unsigned int th_fullcnt; /* number of times last free thread was used */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) unsigned int ra_size; /* size of ra cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) unsigned int ra_depth[11]; /* number of times ra entry was found that deep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * in the cache (10percentiles). [10] = not found */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #ifdef CONFIG_NFSD_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) unsigned int nfs4_opcount[LAST_NFS4_OP + 1]; /* count of individual nfsv4 operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) extern struct nfsd_stats nfsdstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) extern struct svc_stat nfsd_svcstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) void nfsd_stat_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void nfsd_stat_shutdown(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #endif /* _NFSD_STATS_H */