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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 423 | giacomo | 1 | /* |
| 2 | * linux/include/nfsd/stats.h |
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| 3 | * |
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| 4 | * Statistics for NFS server. |
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| 5 | * |
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| 6 | * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> |
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| 7 | */ |
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| 8 | |||
| 9 | #ifndef LINUX_NFSD_STATS_H |
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| 10 | #define LINUX_NFSD_STATS_H |
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| 11 | |||
| 12 | struct nfsd_stats { |
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| 13 | unsigned int rchits; /* repcache hits */ |
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| 14 | unsigned int rcmisses; /* repcache hits */ |
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| 15 | unsigned int rcnocache; /* uncached reqs */ |
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| 16 | unsigned int fh_stale; /* FH stale error */ |
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| 17 | unsigned int fh_lookup; /* dentry cached */ |
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| 18 | unsigned int fh_anon; /* anon file dentry returned */ |
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| 19 | unsigned int fh_nocache_dir; /* filehandle not found in dcache */ |
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| 20 | unsigned int fh_nocache_nondir; /* filehandle not found in dcache */ |
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| 21 | unsigned int io_read; /* bytes returned to read requests */ |
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| 22 | unsigned int io_write; /* bytes passed in write requests */ |
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| 23 | unsigned int th_cnt; /* number of available threads */ |
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| 24 | unsigned int th_usage[10]; /* number of ticks during which n perdeciles |
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| 25 | * of available threads were in use */ |
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| 26 | unsigned int th_fullcnt; /* number of times last free thread was used */ |
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| 27 | unsigned int ra_size; /* size of ra cache */ |
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| 28 | unsigned int ra_depth[11]; /* number of times ra entry was found that deep |
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| 29 | * in the cache (10percentiles). [10] = not found */ |
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| 30 | }; |
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| 31 | |||
| 32 | /* thread usage wraps very million seconds (approx one fortnight) */ |
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| 33 | #define NFSD_USAGE_WRAP (HZ*1000000) |
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| 34 | |||
| 35 | #ifdef __KERNEL__ |
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| 36 | |||
| 37 | extern struct nfsd_stats nfsdstats; |
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| 38 | extern struct svc_stat nfsd_svcstats; |
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| 39 | |||
| 40 | void nfsd_stat_init(void); |
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| 41 | void nfsd_stat_shutdown(void); |
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| 42 | |||
| 43 | #endif /* __KERNEL__ */ |
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| 44 | #endif /* LINUX_NFSD_STATS_H */ |