stats.h 1.5 KB

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  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. #include <uapi/linux/nfsd/stats.h>
  10. struct nfsd_stats {
  11. unsigned int rchits; /* repcache hits */
  12. unsigned int rcmisses; /* repcache hits */
  13. unsigned int rcnocache; /* uncached reqs */
  14. unsigned int fh_stale; /* FH stale error */
  15. unsigned int fh_lookup; /* dentry cached */
  16. unsigned int fh_anon; /* anon file dentry returned */
  17. unsigned int fh_nocache_dir; /* filehandle not found in dcache */
  18. unsigned int fh_nocache_nondir; /* filehandle not found in dcache */
  19. unsigned int io_read; /* bytes returned to read requests */
  20. unsigned int io_write; /* bytes passed in write requests */
  21. unsigned int th_cnt; /* number of available threads */
  22. unsigned int th_usage[10]; /* number of ticks during which n perdeciles
  23. * of available threads were in use */
  24. unsigned int th_fullcnt; /* number of times last free thread was used */
  25. unsigned int ra_size; /* size of ra cache */
  26. unsigned int ra_depth[11]; /* number of times ra entry was found that deep
  27. * in the cache (10percentiles). [10] = not found */
  28. #ifdef CONFIG_NFSD_V4
  29. unsigned int nfs4_opcount[LAST_NFS4_OP + 1]; /* count of individual nfsv4 operations */
  30. #endif
  31. };
  32. extern struct nfsd_stats nfsdstats;
  33. extern struct svc_stat nfsd_svcstats;
  34. void nfsd_stat_init(void);
  35. void nfsd_stat_shutdown(void);
  36. #endif /* _NFSD_STATS_H */