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cifsiostat manual page

NAME

cifsiostat - Report CIFS statistics. 

SYNOPSIS

cifsiostat [ -h ] [ -k | -m ] [ -t ] [ -V ] [--debuginfo] [ interval [ count ] ]

DESCRIPTION

The cifsiostat command displays statistics about read and write operations on CIFS filesystems.

The interval parameter specifies the amount of time in seconds between each report. The first report contains statistics for the time since system startup (boot). Each subsequent report contains statistics collected during the interval since the previous report. A report consists of a CIFS header row followed by a line of statistics for each CIFS filesystem that is mounted. The count parameter can be specified in conjunction with the interval parameter. If the count parameter is specified, the value of count determines the number of reports generated at interval seconds apart. If the interval parameter is specified without the count parameter, the cifsiostat command generates reports continuously. 

REPORT

The CIFS report provides statistics for each mounted CIFS filesystem. The report shows the following fields:

Filesystem:

This columns shows the mountpoint of the CIFS filesystem.

rB/s (rkB/s, rMB/s)

Indicate the average number of bytes (kilobytes, megabytes) read per second.

wB/s (wkB/s, wMB/s)

Indicate the average number of bytes (kilobytes, megabytes) written per second.

rop/s

Indicate the number of 'read' operations that were issued to the filesystem per second.

wop/s

Indicate the number of 'write' operations that were issued to the filesystem per second.

fo/s

Indicate the number of open files per second.

fc/s

Indicate the number of closed files per second.

fd/s

Indicate the number of deleted files per second.

OPTIONS

--debuginfo

Print debug output to stderr.

-h

Make the CIFS report easier to read by a human.

-k

Display statistics in kilobytes per second.

-m

Display statistics in megabytes per second.

-t

Print the time for each report displayed. The timestamp format may depend on the value of the S_TIME_FORMAT environment variable (see below).

-V

Print version number then exit. 

ENVIRONMENT

The iostat command takes into account the following environment variables: 

S_TIME_FORMAT

If this variable exists and its value is ISO then the current locale will be ignored when printing the date in the report header. The cifsiostat command will use the ISO 8601 format (YYYY-MM-DD) instead. The timestamp displayed with option -t will also be compliant with ISO 8601 format.

BUG

/proc filesystem must be mounted for cifsiostat to work.

FILE

/proc/fs/cifs/Stats contains CIFS statistics.

AUTHORS

Written by Ivana Varekova (varekova <at> redhat.com)
Maintained by Sébastien Godard (sysstat <at> orange.fr)

SEE ALSO

sar(1), mpstat(1), pidstat(1), vmstat(8), iostat(1), nfsiostat(1)

http://pagesperso-orange.fr/sebastien.godard/