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 November 14, 2012 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 cemoszW 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 e 57Report the extra statistics collected by the new NFS client and 58server for NFSv4. 59This option is incompatible with 60.Fl o . 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 m 66Report the mount options for all new NFS client mounts. 67This option overrides all others and 68.Nm 69will exit after completing the report. 70This option is only supported by the new NFS client. 71.It Fl N 72Extract the name list from the specified system instead of the default 73.Pa /boot/kernel/kernel . 74.It Fl o 75Report statistics for the old NFS client and/or server. 76Without this 77option statistics for the new NFS client and/or server will be reported. 78.It Fl s 79Only display server side statistics. 80.It Fl W 81Use wide format with interval short summary. 82This option is especially 83useful when combined with 84.Fl c 85or 86.Fl s 87and a time delay. 88.It Fl w 89Display a shorter summary of 90.Tn NFS 91activity for both the client and server at 92.Ar wait 93second intervals. 94.It Fl z 95Reset statistics after displaying them. 96.El 97.Sh FILES 98.Bl -tag -width ".Pa /boot/kernel/kernel" -compact 99.It Pa /boot/kernel/kernel 100default kernel namelist 101.It Pa /dev/kmem 102default memory file 103.El 104.Sh SEE ALSO 105.Xr fstat 1 , 106.Xr netstat 1 , 107.Xr ps 1 , 108.Xr systat 1 , 109.Xr sysctl 3 , 110.Xr iostat 8 , 111.Xr nfsdumpstate 8 , 112.Xr pstat 8 , 113.Xr vmstat 8 114.Sh HISTORY 115The 116.Nm 117command appeared in 118.Bx 4.4 . 119