1.\" Copyright (c) 1989, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" From: @(#)nfsstat.1 8.1 (Berkeley) 6/6/93 29.\" $FreeBSD: src/usr.bin/nfsstat/nfsstat.1,v 1.10.2.1 2001/08/16 13:16:59 ru Exp $ 30.\" $DragonFly: src/usr.bin/nfsstat/nfsstat.1,v 1.3 2008/09/02 11:50:46 matthias Exp $ 31.\" 32.Dd September 2, 2008 33.Dt NFSSTAT 1 34.Os 35.Sh NAME 36.Nm nfsstat 37.Nd display 38.Tn NFS 39statistics 40.Sh SYNOPSIS 41.Nm 42.Op Fl csW 43.Op Fl M Ar core 44.Op Fl N Ar system 45.Op Fl w Ar wait 46.Sh DESCRIPTION 47The 48.Nm 49command displays statistics kept about 50.Tn NFS 51client and server activity. 52.Pp 53The options are as follows: 54.Bl -tag -width Ds 55.It Fl c 56Only display client side statistics 57.It Fl M 58Extract values associated with the name list from the specified core 59instead of the default 60.Pa /dev/kmem . 61.It Fl N 62Extract the name list from the specified system instead of the default 63.Pa /boot/kernel . 64.It Fl s 65Only display server side statistics 66.It Fl W 67Use wide format with interval short summary. This option is especially 68useful when combined with -c or -s and a time delay. 69.It Fl w 70Display a shorter summary of 71.Tn NFS 72activity for both the client and server at 73.Ar wait 74second intervals. 75.El 76.Sh FILES 77.Bl -tag -width /dev/kmem -compact 78.It Pa /boot/kernel 79default kernel namelist 80.It Pa /dev/kmem 81default memory file 82.El 83.Sh SEE ALSO 84.Xr fstat 1 , 85.Xr netstat 1 , 86.Xr ps 1 , 87.Xr systat 1 , 88.Xr sysctl 3 , 89.Xr iostat 8 , 90.Xr pstat 8 , 91.Xr vmstat 8 92.Sh HISTORY 93The 94.Nm 95command appeared in 96.Bx 4.4 . 97