cifsiostat

Report CIFS statistics.

SYNOPSIS

cifsiostat [ -h ] [ -k | -m ] [ -t ] [ -V ] [ --dec={ 0 | 1 | 2 } ] [ --human ] [ interval [ count ] ]

REPORT

The CIFS report provides statistics for each mounted CIFS filesystem. The report shows the following fields: Filesystem: This columns shows the mount point 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.

DESCRIPTION

The cifsiostat command displays statistics about read and write opera‐ tions 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 col‐ lected during the interval since the previous report. A report con‐ sists 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 gener‐ ated at interval seconds apart. If the interval parameter is specified without the count parameter, the cifsiostat command generates reports continuously.

OPTIONS

--dec={ 0 | 1 | 2 } Specify the number of decimal places to use (0 to 2, default value is 2). -h Make the CIFS report easier to read by a human. --human is en‐ abled implicitly with this option. --human Print sizes in human readable format (e.g. 1.0k, 1.2M, etc.) The units displayed with this option supersede any other default units (e.g. kilobytes, sectors...) associated with the metrics. -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 vari‐ able (see below). -V Print version number then exit.

ENVIRONMENT

The cifsiostat command takes into account the following environment variables: S_COLORS When this variable is set, display statistics in color on the terminal. Possible values for this variable are never, always or auto (the latter is the default). Note: On Debian sysstems the colors are displayed by default when output is connected to the terminal, even if this variable is not set (i.e. unset variable is treated as if it were set to auto). Please note that the color (being red, yellow, or some other color) used to display a value is not indicative of any kind of issue simply because of the color. It only indicates different ranges of values. S_COLORS_SGR Specify the colors and other attributes used to display statis‐ tics on the terminal. Its value is a colon-separated list of capabilities that defaults to I=32;22:N=34;1:Z=34;22. Supported capabilities are: I= SGR substring for filesystem names. N= SGR substring for non-zero statistics values. Z= SGR substring for zero values. 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 redhat.com) Maintained by Sebastien Godard (sysstat orange.fr)

SEE ALSO

sar(1), pidstat(1), mpstat(1), vmstat(8), iostat(1), tapestat(1), nf‐ siostat(1) https://github.com/sysstat/sysstat http://pagesperso-orange.fr/sebastien.godard/

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