1.\" $OpenBSD: nfsstat.1,v 1.19 2022/07/30 07:19:31 jsg 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: July 30 2022 $ 34.Dt NFSSTAT 1 35.Os 36.Sh NAME 37.Nm nfsstat 38.Nd display NFS statistics 39.Sh SYNOPSIS 40.Nm nfsstat 41.Op Fl cs 42.Op Fl M Ar core 43.Op Fl N Ar system 44.Op Fl w Ar wait 45.Sh DESCRIPTION 46.Nm 47displays statistics kept about NFS client and server activity. 48If neither 49.Fl M 50nor 51.Fl N 52option was specified, statistics will be obtained from the running system 53by calling 54.Xr sysctl 2 . 55Otherwise the specified core and system will be used to fetch 56data by means of 57.Xr kvm 3 . 58.Pp 59The options are as follows: 60.Bl -tag -width Ds 61.It Fl c 62Display client statistics only. 63.It Fl M Ar core 64Extract values associated with the name list from the specified core 65instead of the default 66.Pa /dev/kmem . 67.It Fl N Ar system 68Extract the name list from the specified system instead of the default 69.Pa /bsd . 70.It Fl s 71Display server statistics only. 72.It Fl w Ar wait 73Display a shorter summary of NFS 74activity for both the client and server at 75.Ar wait 76second intervals. 77.El 78.Sh FILES 79.Bl -tag -width /dev/kmem -compact 80.It Pa /bsd 81default kernel namelist 82.It Pa /dev/kmem 83default memory file 84.El 85.Sh SEE ALSO 86.Xr fstat 1 , 87.Xr netstat 1 , 88.Xr ps 1 , 89.Xr systat 1 , 90.Xr sysctl 2 , 91.Xr kvm 3 , 92.Xr iostat 8 , 93.Xr pstat 8 , 94.Xr vmstat 8 95.Sh HISTORY 96The 97.Nm 98command appeared in 99.Bx 4.3 Reno . 100