projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 8cf41015 KM |
1 | /* |
| 2 | * Copyright (c) 1992 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Rick Macklem at The University of Guelph. | |
| 7 | * | |
| 8 | * %sccs.include.redist.c% | |
| 9 | * | |
| 5447c29f | 10 | * @(#)nfsrtt.h 7.2 (Berkeley) %G% |
| 8cf41015 KM |
11 | */ |
| 12 | ||
| 13 | /* | |
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14 | * Definitions for performance monitor. |
| 15 | * The client and server logging are turned on by setting the global | |
| 16 | * constant "nfsrtton" to 1. | |
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17 | */ |
| 18 | #define NFSRTTLOGSIZ 128 | |
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19 | |
| 20 | /* | |
| 21 | * Circular log of client side rpc activity. Each log entry is for one | |
| 22 | * rpc filled in upon completion. (ie. in order of completion) | |
| 23 | * The "pos" is the table index for the "next" entry, therefore the | |
| 24 | * list goes from nfsrtt.rttl[pos] --> nfsrtt.rttl[pos - 1] in | |
| 25 | * chronological order of completion. | |
| 26 | */ | |
| 8cf41015 | 27 | struct nfsrtt { |
| 5447c29f | 28 | int pos; /* Position in array for next entry */ |
| 8cf41015 | 29 | struct rttl { |
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30 | int proc; /* NFS procedure number */ |
| 31 | int rtt; /* Measured round trip time */ | |
| 32 | int rto; /* Round Trip Timeout */ | |
| 33 | int sent; /* # rpcs in progress */ | |
| 34 | int cwnd; /* Send window */ | |
| 35 | int srtt; /* Ave Round Trip Time */ | |
| 36 | int sdrtt; /* Ave mean deviation of RTT */ | |
| 37 | fsid_t fsid; /* Fsid for mount point */ | |
| 38 | struct timeval tstamp; /* Timestamp of log entry */ | |
| 8cf41015 KM |
39 | } rttl[NFSRTTLOGSIZ]; |
| 40 | }; | |
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41 | |
| 42 | /* | |
| 43 | * And definitions for server side performance monitor. | |
| 44 | * The log organization is the same as above except it is filled in at the | |
| 45 | * time the server sends the rpc reply. | |
| 46 | */ | |
| 47 | ||
| 48 | /* | |
| 49 | * Bits for the flags field. | |
| 50 | */ | |
| 51 | #define DRT_NQNFS 0x01 /* Rpc used Nqnfs protocol */ | |
| 52 | #define DRT_TCP 0x02 /* Client used TCP transport */ | |
| 53 | #define DRT_CACHEREPLY 0x04 /* Reply was from recent request cache */ | |
| 54 | #define DRT_CACHEDROP 0x08 /* Rpc request dropped, due to recent reply */ | |
| 55 | ||
| 56 | /* | |
| 57 | * Server log structure | |
| 58 | * NB: ipadr == INADDR_ANY indicates a client using a non IP protocol. | |
| 59 | * (ISO perhaps?) | |
| 60 | */ | |
| 61 | struct nfsdrt { | |
| 62 | int pos; /* Position of next log entry */ | |
| 63 | struct drt { | |
| 64 | int flag; /* Bits as defined above */ | |
| 65 | int proc; /* NFS procedure number */ | |
| 66 | u_long ipadr; /* IP address of client */ | |
| 67 | int resptime; /* Response time (usec) */ | |
| 68 | struct timeval tstamp; /* Timestamp of log entry */ | |
| 69 | } drt[NFSRTTLOGSIZ]; | |
| 70 | }; |