.\"
.\" nfsiostat(8)
.\"
.TH nfsiostat 8 "15 Apr 2010"
.SH NAME
nfsiostat \- Emulate iostat for NFS mount points using /proc/self/mountstats
.SH SYNOPSIS
.BI "nfsiostat [[" <interval> "] [" <count> "]] [" <options> "]["<mount_point> "]
.SH DESCRIPTION
The
.B nfsiostat
command displays NFS client per-mount statisitics. 
.TP 
<interval>
specifies the amount of time in seconds between each report.
The first report contains statistics for the time since each file
system was mounted.  Each subsequent report contains statistics collected
during the interval since the previous report.
.TP
<count>
If the
.I <count>
parameter is
specified, the value of 
.I <count> 
determines the number of reports generated at
.I <interval> 
seconds apart. if the interval parameter is 
specified without the
.I <count> 
parameter, the command generates reports continuously.
.TP
<options>
Define below
.TP
<mount_point>
If one or more
.I <mount point> 
names are specified, statistics for only these mount points will
be displayed.  Otherwise, all NFS mount points on the client are listed.
.SH OPTIONS
.TP
.B \-a " or " \-\-attr
displays statistics related to the attribute cache
.TP
.B \-d " or " \-\-dir 
displays statistics related to directory operations
.TP
.B \-h " or " \-\-help 
shows help message and exit
.TP
.B \-l LIST or " \-\-list=LIST 
only print stats for first LIST mount points
.TP
.B \-p " or " \-\-page
displays statistics related to the page cache
.TP
.B \-s " or " \-\-sort
Sort NFS mount points by ops/second
.TP
.B \-\-version
show program's version number and exit
.SH FILES
.TP
.B /proc/self/mountstats
.SH SEE ALSO
.BR iostat (8),
.BR mountstats (8),
.BR nfsstat(8)
.SH AUTHOR
Chuck Lever <chuck.lever@oracle.com>