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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [nfsd/] [stats.h] - Blame information for rev 62

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1 62 marcus.erl
/*
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 * linux/include/linux/nfsd/stats.h
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 *
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 * Statistics for NFS server.
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 *
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 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
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 */
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#ifndef LINUX_NFSD_STATS_H
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#define LINUX_NFSD_STATS_H
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#include <linux/nfs4.h>
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struct nfsd_stats {
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        unsigned int    rchits;         /* repcache hits */
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        unsigned int    rcmisses;       /* repcache hits */
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        unsigned int    rcnocache;      /* uncached reqs */
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        unsigned int    fh_stale;       /* FH stale error */
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        unsigned int    fh_lookup;      /* dentry cached */
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        unsigned int    fh_anon;        /* anon file dentry returned */
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        unsigned int    fh_nocache_dir; /* filehandle not found in dcache */
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        unsigned int    fh_nocache_nondir;      /* filehandle not found in dcache */
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        unsigned int    io_read;        /* bytes returned to read requests */
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        unsigned int    io_write;       /* bytes passed in write requests */
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        unsigned int    th_cnt;         /* number of available threads */
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        unsigned int    th_usage[10];   /* number of ticks during which n perdeciles
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                                         * of available threads were in use */
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        unsigned int    th_fullcnt;     /* number of times last free thread was used */
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        unsigned int    ra_size;        /* size of ra cache */
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        unsigned int    ra_depth[11];   /* number of times ra entry was found that deep
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                                         * in the cache (10percentiles). [10] = not found */
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#ifdef CONFIG_NFSD_V4
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        unsigned int    nfs4_opcount[LAST_NFS4_OP + 1]; /* count of individual nfsv4 operations */
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#endif
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};
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/* thread usage wraps very million seconds (approx one fortnight) */
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#define NFSD_USAGE_WRAP (HZ*1000000)
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#ifdef __KERNEL__
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extern struct nfsd_stats        nfsdstats;
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extern struct svc_stat          nfsd_svcstats;
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void    nfsd_stat_init(void);
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void    nfsd_stat_shutdown(void);
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#endif /* __KERNEL__ */
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#endif /* LINUX_NFSD_STATS_H */

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