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 May 4, 2011 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 ceoszW 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 N 66Extract the name list from the specified system instead of the default 67.Pa /boot/kernel/kernel . 68.It Fl o 69Report statistics for the old NFS client and/or server. 70Without this 71option statistics for the new NFS client and/or server will be reported. 72.It Fl s 73Only display server side statistics. 74.It Fl W 75Use wide format with interval short summary. 76This option is especially 77useful when combined with 78.Fl c 79or 80.Fl s 81and a time delay. 82.It Fl w 83Display a shorter summary of 84.Tn NFS 85activity for both the client and server at 86.Ar wait 87second intervals. 88.It Fl z 89Reset statistics after displaying them. 90.El 91.Sh FILES 92.Bl -tag -width ".Pa /boot/kernel/kernel" -compact 93.It Pa /boot/kernel/kernel 94default kernel namelist 95.It Pa /dev/kmem 96default memory file 97.El 98.Sh SEE ALSO 99.Xr fstat 1 , 100.Xr netstat 1 , 101.Xr ps 1 , 102.Xr systat 1 , 103.Xr sysctl 3 , 104.Xr iostat 8 , 105.Xr nfsdumpstate 8 , 106.Xr pstat 8 , 107.Xr vmstat 8 108.Sh HISTORY 109The 110.Nm 111command appeared in 112.Bx 4.4 . 113