106 lines
3.8 KiB
C
106 lines
3.8 KiB
C
/* $NetBSD: nfsrtt.h,v 1.8 2005/12/11 12:25:17 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Rick Macklem at The University of Guelph.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)nfsrtt.h 8.2 (Berkeley) 3/30/95
|
|
*/
|
|
|
|
|
|
#ifndef _NFS_NFSRTT_H_
|
|
#define _NFS_NFSRTT_H_
|
|
|
|
/*
|
|
* Definitions for performance monitor.
|
|
* The client and server logging are turned on by setting the global
|
|
* constant "nfsrtton" to 1.
|
|
*/
|
|
#define NFSRTTLOGSIZ 128
|
|
|
|
/*
|
|
* Circular log of client side rpc activity. Each log entry is for one
|
|
* rpc filled in upon completion. (ie. in order of completion)
|
|
* The "pos" is the table index for the "next" entry, therefore the
|
|
* list goes from nfsrtt.rttl[pos] --> nfsrtt.rttl[pos - 1] in
|
|
* chronological order of completion.
|
|
*/
|
|
struct nfsrtt {
|
|
int pos; /* Position in array for next entry */
|
|
struct rttl {
|
|
u_int32_t proc; /* NFS procedure number */
|
|
int rtt; /* Measured round trip time */
|
|
int rto; /* Round Trip Timeout */
|
|
int sent; /* # rpcs in progress */
|
|
int cwnd; /* Send window */
|
|
int srtt; /* Ave Round Trip Time */
|
|
int sdrtt; /* Ave mean deviation of RTT */
|
|
fsid_t fsid; /* Fsid for mount point */
|
|
struct timeval tstamp; /* Timestamp of log entry */
|
|
} rttl[NFSRTTLOGSIZ];
|
|
};
|
|
|
|
/*
|
|
* And definitions for server side performance monitor.
|
|
* The log organization is the same as above except it is filled in at the
|
|
* time the server sends the rpc reply.
|
|
*/
|
|
|
|
/*
|
|
* Bits for the flags field.
|
|
*/
|
|
#define DRT_NQNFS 0x01 /* Rpc used Nqnfs protocol */
|
|
#define DRT_TCP 0x02 /* Client used TCP transport */
|
|
#define DRT_CACHEREPLY 0x04 /* Reply was from recent request cache */
|
|
#define DRT_CACHEDROP 0x08 /* Rpc request dropped, due to recent reply */
|
|
#define DRT_NFSV3 0x10 /* Rpc used NFS Version 3 */
|
|
|
|
/*
|
|
* Server log structure
|
|
* NB: ipadr == INADDR_ANY indicates a client using a non IP protocol.
|
|
* (ISO perhaps?)
|
|
*/
|
|
struct nfsdrt {
|
|
int pos; /* Position of next log entry */
|
|
struct drt {
|
|
int flag; /* Bits as defined above */
|
|
u_int32_t proc; /* NFS procedure number */
|
|
u_int32_t ipadr; /* IP address of client */
|
|
int resptime; /* Response time (usec) */
|
|
struct timeval tstamp; /* Timestamp of log entry */
|
|
} drt[NFSRTTLOGSIZ];
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
extern int nfsrtton;
|
|
#endif
|
|
|
|
#endif
|