1.\" $OpenBSD: nfsstat.1,v 1.13 2007/05/31 19:20:14 jmc Exp $ 2.\" $NetBSD: nfsstat.1,v 1.8 1996/03/03 17:21:28 thorpej Exp $ 3.\" 4.\" Copyright (c) 1989, 1990, 1993 5.\" The Regents of the University of California. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" from: @(#)nfsstat.1 8.1 (Berkeley) 6/6/93 32.\" 33.Dd $Mdocdate: May 31 2007 $ 34.Dt NFSSTAT 1 35.Os 36.Sh NAME 37.Nm nfsstat 38.Nd display 39.Tn NFS 40statistics 41.Sh SYNOPSIS 42.Nm nfsstat 43.Op Fl cs 44.Op Fl M Ar core 45.Op Fl N Ar system 46.Op Fl w Ar wait 47.Sh DESCRIPTION 48.Nm 49displays statistics kept about 50.Tn NFS 51client and server activity. 52If neither 53.Fl M 54nor 55.Fl N 56option was specified statics will be obtained from the running system 57by calling 58.Xr sysctl 3 59routine. Otherwise specified core and system will be used to fetch 60data by means of 61.Xr kvm 3 . 62.Pp 63The options are as follows: 64.Bl -tag -width Ds 65.It Fl c 66Display client statistics only. 67.It Fl M Ar core 68Extract values associated with the name list from the specified core 69instead of the default 70.Pa /dev/kmem . 71.It Fl N Ar system 72Extract the name list from the specified system instead of the default 73.Pa /bsd . 74.It Fl s 75Display server statistics only. 76.It Fl w Ar wait 77Display a shorter summary of 78.Tn NFS 79activity for both the client and server at 80.Ar wait 81second intervals. 82.El 83.Sh FILES 84.Bl -tag -width /dev/kmem -compact 85.It Pa /bsd 86default kernel namelist 87.It Pa /dev/kmem 88default memory file 89.El 90.Sh SEE ALSO 91.Xr fstat 1 , 92.Xr netstat 1 , 93.Xr ps 1 , 94.Xr systat 1 , 95.Xr kvm 3 , 96.Xr sysctl 3 , 97.Xr iostat 8 , 98.Xr pstat 8 , 99.Xr vmstat 8 100.Sh HISTORY 101The 102.Nm 103command appeared in 104.Bx 4.4 . 105