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.\" 4. 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.\" $FreeBSD$ 30.\" 31.Dd October 18, 2007 32.Dt NFSSTAT 1 33.Os 34.Sh NAME 35.Nm nfsstat 36.Nd display 37.Tn NFS 38statistics 39.Sh SYNOPSIS 40.Nm 41.Op Fl ceszW 42.Op Fl M Ar core 43.Op Fl N Ar system 44.Op Fl w Ar wait 45.Sh DESCRIPTION 46The 47.Nm 48command displays statistics kept about 49.Tn NFS 50client and server activity. 51.Pp 52The options are as follows: 53.Bl -tag -width indent 54.It Fl c 55Only display client side statistics. 56.It Fl M 57Extract values associated with the name list from the specified core 58instead of the default 59.Pa /dev/kmem . 60.It Fl N 61Extract the name list from the specified system instead of the default 62.Pa /boot/kernel/kernel . 63.It Fl s 64Only display server side statistics. 65.It Fl W 66Use wide format with interval short summary. 67This option is especially 68useful when combined with 69.Fl c 70or 71.Fl s 72and 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.It Fl z 80Reset statistics after displaying them. 81(Not currently supported by the experimental nfs subsystem.) 82.It Fl e 83Gather statistics from the experimental nfs subsystem that includes 84support for NFSv4 instead of the regular nfs subsystem. 85.El 86.Sh FILES 87.Bl -tag -width ".Pa /boot/kernel/kernel" -compact 88.It Pa /boot/kernel/kernel 89default kernel namelist 90.It Pa /dev/kmem 91default memory file 92.El 93.Sh SEE ALSO 94.Xr fstat 1 , 95.Xr netstat 1 , 96.Xr ps 1 , 97.Xr systat 1 , 98.Xr sysctl 3 , 99.Xr iostat 8 , 100.Xr nfsdumpstate 8 , 101.Xr pstat 8 , 102.Xr vmstat 8 103.Sh HISTORY 104The 105.Nm 106command appeared in 107.Bx 4.4 . 108