4 .TH nfsiostat 8 "15 Apr 2010"
6 nfsiostat \- Emulate iostat for NFS mount points using /proc/self/mountstats
8 .BI "nfsiostat [[" <interval> "] [" <count> "]] [" <options> "]["<mount_point> "]
12 command displays NFS client per-mount statisitics.
15 specifies the amount of time in seconds between each report.
16 The first report contains statistics for the time since each file
17 system was mounted. Each subsequent report contains statistics collected
18 during the interval since the previous report.
24 specified, the value of
26 determines the number of reports generated at
28 seconds apart. if the interval parameter is
31 parameter, the command generates reports continuously.
39 names are specified, statistics for only these mount points will
40 be displayed. Otherwise, all NFS mount points on the client are listed.
43 .B \-a " or " \-\-attr
44 displays statistics related to the attribute cache
47 displays statistics related to directory operations
49 .B \-h " or " \-\-help
50 shows help message and exit
52 .B \-l LIST or " \-\-list=LIST
53 only print stats for first LIST mount points
55 .B \-p " or " \-\-page
56 displays statistics related to the page cache
58 .B \-s " or " \-\-sort
59 Sort NFS mount points by ops/second
62 show program's version number and exit
65 .B /proc/self/mountstats
71 Chuck Lever <chuck.lever@oracle.com>