freebsd-skq/usr.bin/nfsstat/nfsstat.1

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.\" Copyright (c) 1989, 1990, 1993
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.\" From: @(#)nfsstat.1 8.1 (Berkeley) 6/6/93
1999-08-28 01:08:13 +00:00
.\" $FreeBSD$
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.\"
.Dd May 1, 2011
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.Dt NFSSTAT 1
.Os
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.Sh NAME
.Nm nfsstat
.Nd display
.Tn NFS
statistics
.Sh SYNOPSIS
.Nm
.Op Fl ceszW
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.Op Fl M Ar core
.Op Fl N Ar system
.Op Fl w Ar wait
.Sh DESCRIPTION
The
.Nm
command displays statistics kept about
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.Tn NFS
client and server activity.
.Pp
The options are as follows:
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.Bl -tag -width indent
.It Fl c
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Only display client side statistics.
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.It Fl M
Extract values associated with the name list from the specified core
instead of the default
.Pa /dev/kmem .
.It Fl N
Extract the name list from the specified system instead of the default
.Pa /boot/kernel/kernel .
.It Fl s
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Only display server side statistics.
.It Fl W
Use wide format with interval short summary.
This option is especially
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useful when combined with
.Fl c
or
.Fl s
and a time delay.
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.It Fl w
Display a shorter summary of
.Tn NFS
activity for both the client and server at
.Ar wait
second intervals.
.It Fl z
Reset statistics after displaying them.
.It Fl e
Gather statistics from the experimental nfs subsystem that includes
support for NFSv4 instead of the regular nfs subsystem.
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.El
.Sh FILES
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.Bl -tag -width ".Pa /boot/kernel/kernel" -compact
.It Pa /boot/kernel/kernel
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default kernel namelist
.It Pa /dev/kmem
default memory file
.El
.Sh SEE ALSO
.Xr fstat 1 ,
.Xr netstat 1 ,
.Xr ps 1 ,
.Xr systat 1 ,
.Xr sysctl 3 ,
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.Xr iostat 8 ,
.Xr nfsdumpstate 8 ,
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.Xr pstat 8 ,
.Xr vmstat 8
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.Sh HISTORY
The
.Nm
command appeared in
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.Bx 4.4 .