113 lines
3.2 KiB
Groff
113 lines
3.2 KiB
Groff
.\" Copyright (c) 1989, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" From: @(#)nfsstat.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd May 4, 2011
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.Dt NFSSTAT 1
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.Os
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.Sh NAME
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.Nm nfsstat
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.Nd display
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.Tn NFS
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statistics
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.Sh SYNOPSIS
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.Nm
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.Op Fl ceoszW
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl w Ar wait
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.Sh DESCRIPTION
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The
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.Nm
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command displays statistics kept about
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.Tn NFS
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client and server activity.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl c
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Only display client side statistics.
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.It Fl e
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Report the extra statistics collected by the new NFS client and
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server for NFSv4.
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This option is incompatible with
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.Fl o .
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.It Fl M
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Extract values associated with the name list from the specified core
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instead of the default
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.Pa /dev/kmem .
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.It Fl N
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Extract the name list from the specified system instead of the default
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.Pa /boot/kernel/kernel .
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.It Fl o
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Report statistics for the old NFS client and/or server.
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Without this
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option statistics for the new NFS client and/or server will be reported.
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.It Fl s
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Only display server side statistics.
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.It Fl W
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Use wide format with interval short summary.
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This option is especially
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useful when combined with
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.Fl c
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or
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.Fl s
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and a time delay.
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.It Fl w
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Display a shorter summary of
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.Tn NFS
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activity for both the client and server at
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.Ar wait
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second intervals.
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.It Fl z
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Reset statistics after displaying them.
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.El
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.Sh FILES
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.Bl -tag -width ".Pa /boot/kernel/kernel" -compact
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.It Pa /boot/kernel/kernel
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default kernel namelist
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.It Pa /dev/kmem
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default memory file
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.El
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.Sh SEE ALSO
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.Xr fstat 1 ,
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.Xr netstat 1 ,
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.Xr ps 1 ,
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.Xr systat 1 ,
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.Xr sysctl 3 ,
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.Xr iostat 8 ,
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.Xr nfsdumpstate 8 ,
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.Xr pstat 8 ,
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.Xr vmstat 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.4 .
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