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. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" From: @(#)nfsstat.1 8.1 (Berkeley) 6/6/93 33.\" $FreeBSD: src/usr.bin/nfsstat/nfsstat.1,v 1.10.2.1 2001/08/16 13:16:59 ru Exp $ 34.\" $DragonFly: src/usr.bin/nfsstat/nfsstat.1,v 1.3 2008/09/02 11:50:46 matthias Exp $ 35.\" 36.Dd September 2, 2008 37.Dt NFSSTAT 1 38.Os 39.Sh NAME 40.Nm nfsstat 41.Nd display 42.Tn NFS 43statistics 44.Sh SYNOPSIS 45.Nm 46.Op Fl csW 47.Op Fl M Ar core 48.Op Fl N Ar system 49.Op Fl w Ar wait 50.Sh DESCRIPTION 51The 52.Nm 53command displays statistics kept about 54.Tn NFS 55client and server activity. 56.Pp 57The options are as follows: 58.Bl -tag -width Ds 59.It Fl c 60Only display client side statistics 61.It Fl M 62Extract values associated with the name list from the specified core 63instead of the default 64.Pa /dev/kmem . 65.It Fl N 66Extract the name list from the specified system instead of the default 67.Pa /boot/kernel . 68.It Fl s 69Only display server side statistics 70.It Fl W 71Use wide format with interval short summary. This option is especially 72useful when combined with -c or -s and a time delay. 73.It Fl w 74Display a shorter summary of 75.Tn NFS 76activity for both the client and server at 77.Ar wait 78second intervals. 79.El 80.Sh FILES 81.Bl -tag -width /dev/kmem -compact 82.It Pa /boot/kernel 83default kernel namelist 84.It Pa /dev/kmem 85default memory file 86.El 87.Sh SEE ALSO 88.Xr fstat 1 , 89.Xr netstat 1 , 90.Xr ps 1 , 91.Xr systat 1 , 92.Xr sysctl 3 , 93.Xr iostat 8 , 94.Xr pstat 8 , 95.Xr vmstat 8 96.Sh HISTORY 97The 98.Nm 99command appeared in 100.Bx 4.4 . 101