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.\" $FreeBSD$ 34.\" 35.Dd June 6, 1993 36.Dt NFSSTAT 1 37.Os BSD 4.4 38.Sh NAME 39.Nm nfsstat 40.Nd display 41.Tn NFS 42statistics 43.Sh SYNOPSIS 44.Nm 45.Op Fl M Ar core 46.Op Fl N Ar system 47.Op Fl W 48.Op Fl w Ar wait 49.Op Fl s 50.Op Fl c 51.Sh DESCRIPTION 52The 53.Nm 54command displays statistics kept about 55.Tn NFS 56client and server activity. 57.Pp 58The options are as follows: 59.Bl -tag -width Ds 60.It Fl M 61Extract values associated with the name list from the specified core 62instead of the default 63.Pa /dev/kmem . 64.It Fl N 65Extract the name list from the specified system instead of the default 66.Pa /kernel . 67.It Fl W 68Use wide format with interval short summary. This option is especially 69useful when combined with -c or -s and a time delay. 70.It Fl w 71Display a shorter summary of 72.Tn NFS 73activity for both the client and server at 74.Ar wait 75second intervals. 76.It Fl s 77Only display server side statistics 78.It Fl c 79Only display client side statistics 80.El 81.Sh FILES 82.Bl -tag -width /dev/kmem -compact 83.It Pa /kernel 84default kernel namelist 85.It Pa /dev/kmem 86default memory file 87.El 88.Sh SEE ALSO 89.Xr fstat 1 , 90.Xr netstat 1 , 91.Xr ps 1 , 92.Xr systat 1 , 93.Xr sysctl 3 , 94.Xr iostat 8 , 95.Xr pstat 8 , 96.Xr vmstat 8 97.Sh HISTORY 98The 99.Nm 100command appeared in 101.Bx 4.4 . 102