The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/nfs/nfsrtt.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: nfsrtt.h,v 1.7 2003/08/07 16:33:57 agc Exp $   */
    2 
    3 /*
    4  * Copyright (c) 1992, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * Rick Macklem at The University of Guelph.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)nfsrtt.h    8.2 (Berkeley) 3/30/95
   35  */
   36 
   37 
   38 #ifndef _NFS_NFSRTT_H_
   39 #define _NFS_NFSRTT_H_
   40 
   41 /*
   42  * Definitions for performance monitor.
   43  * The client and server logging are turned on by setting the global
   44  * constant "nfsrtton" to 1.
   45  */
   46 #define NFSRTTLOGSIZ    128
   47 
   48 /*
   49  * Circular log of client side rpc activity. Each log entry is for one
   50  * rpc filled in upon completion. (ie. in order of completion)
   51  * The "pos" is the table index for the "next" entry, therefore the
   52  * list goes from nfsrtt.rttl[pos] --> nfsrtt.rttl[pos - 1] in
   53  * chronological order of completion.
   54  */
   55 struct nfsrtt {
   56         int pos;                        /* Position in array for next entry */
   57         struct rttl {
   58                 u_int32_t       proc;           /* NFS procedure number */
   59                 int             rtt;            /* Measured round trip time */
   60                 int             rto;            /* Round Trip Timeout */
   61                 int             sent;           /* # rpcs in progress */
   62                 int             cwnd;           /* Send window */
   63                 int             srtt;           /* Ave Round Trip Time */
   64                 int             sdrtt;          /* Ave mean deviation of RTT */
   65                 fsid_t          fsid;           /* Fsid for mount point */
   66                 struct timeval  tstamp; /* Timestamp of log entry */
   67         } rttl[NFSRTTLOGSIZ];
   68 };
   69 
   70 /*
   71  * And definitions for server side performance monitor.
   72  * The log organization is the same as above except it is filled in at the
   73  * time the server sends the rpc reply.
   74  */
   75 
   76 /*
   77  * Bits for the flags field.
   78  */
   79 #define DRT_NQNFS       0x01    /* Rpc used Nqnfs protocol */
   80 #define DRT_TCP         0x02    /* Client used TCP transport */
   81 #define DRT_CACHEREPLY  0x04    /* Reply was from recent request cache */
   82 #define DRT_CACHEDROP   0x08    /* Rpc request dropped, due to recent reply */
   83 #define DRT_NFSV3       0x10    /* Rpc used NFS Version 3 */
   84 
   85 /*
   86  * Server log structure
   87  * NB: ipadr == INADDR_ANY indicates a client using a non IP protocol.
   88  *      (ISO perhaps?)
   89  */
   90 struct nfsdrt {
   91         int pos;                        /* Position of next log entry */
   92         struct drt {
   93                 int       flag;         /* Bits as defined above */
   94                 u_int32_t proc;         /* NFS procedure number */
   95                 u_int32_t ipadr;        /* IP address of client */
   96                 int       resptime;     /* Response time (usec) */
   97                 struct timeval tstamp;  /* Timestamp of log entry */
   98         } drt[NFSRTTLOGSIZ];
   99 };
  100 
  101 #ifdef _KERNEL
  102 extern int nfsrtton;
  103 #endif
  104 
  105 #endif

Cache object: c788bb3652e443b61d081e9b9c152d90


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.