103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nfsrtt.h 8.1 (Berkeley) 6/10/93
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* $Id: nfsrtt.h,v 1.2 1994/08/02 07:52:24 davidg Exp $
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*/
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#ifndef _NFS_NFSRTT_H_
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#define _NFS_NFSRTT_H_
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/*
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* Definitions for performance monitor.
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* The client and server logging are turned on by setting the global
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* constant "nfsrtton" to 1.
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*/
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#define NFSRTTLOGSIZ 128
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/*
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* Circular log of client side rpc activity. Each log entry is for one
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* rpc filled in upon completion. (ie. in order of completion)
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* The "pos" is the table index for the "next" entry, therefore the
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* list goes from nfsrtt.rttl[pos] --> nfsrtt.rttl[pos - 1] in
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* chronological order of completion.
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*/
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struct nfsrtt {
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int pos; /* Position in array for next entry */
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struct rttl {
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int proc; /* NFS procedure number */
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int rtt; /* Measured round trip time */
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int rto; /* Round Trip Timeout */
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int sent; /* # rpcs in progress */
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int cwnd; /* Send window */
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int srtt; /* Ave Round Trip Time */
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int sdrtt; /* Ave mean deviation of RTT */
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fsid_t fsid; /* Fsid for mount point */
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struct timeval tstamp; /* Timestamp of log entry */
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} rttl[NFSRTTLOGSIZ];
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};
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/*
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* And definitions for server side performance monitor.
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* The log organization is the same as above except it is filled in at the
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* time the server sends the rpc reply.
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*/
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/*
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* Bits for the flags field.
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*/
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#define DRT_NQNFS 0x01 /* Rpc used Nqnfs protocol */
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#define DRT_TCP 0x02 /* Client used TCP transport */
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#define DRT_CACHEREPLY 0x04 /* Reply was from recent request cache */
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#define DRT_CACHEDROP 0x08 /* Rpc request dropped, due to recent reply */
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/*
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* Server log structure
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* NB: ipadr == INADDR_ANY indicates a client using a non IP protocol.
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* (ISO perhaps?)
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*/
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struct nfsdrt {
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int pos; /* Position of next log entry */
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struct drt {
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int flag; /* Bits as defined above */
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int proc; /* NFS procedure number */
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u_long ipadr; /* IP address of client */
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int resptime; /* Response time (usec) */
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struct timeval tstamp; /* Timestamp of log entry */
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} drt[NFSRTTLOGSIZ];
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};
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#endif
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