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GSTAT(8)		    System Manager's Manual		      GSTAT(8)

NAME
       gstat --	print statistics about GEOM disks

SYNOPSIS
       gstat [-abBcdops] [-f filter] [-I interval]

DESCRIPTION
       The  gstat  utility  can	be used	to monitor I/O transactions of geom(4)
       devices.

       The options are as follows:

       -a      Only display providers that are at least	0.1% busy.

       -b      Batch mode.  Collect numbers, print and exit.  Default if  std-
	       out is not a tty.

       -B      Endless	batch mode.  Same as batch mode, but does not exit af-
	       ter collecting the first	set of data.

       -c      Enable display of geom(4) consumers too.	  The  default	is  to
	       show statistics only for	geom(4)	producers.

       -C      CSV  output mode.  Implies endless batch	mode, but output is in
	       the form	of comma-separated values, with	 ISO  8601-like	 time-
	       stamps.

       -d      Enable  display	of  statistics	for delete (BIO_DELETE)	opera-
	       tions.

       -f filter
	       A regular expression that can be	used to	only  show  statistics
	       for  some devices.  Only	devices	with the names matching	filter
	       will be displayed.  The format of the regular expression	is de-
	       scribed in re_format(7).

       -o      Enable display of statistics for	other operations (BIO_FLUSH).

       -s      Enable blocks' size statistics.

       -I interval
	       Refresh the gstat display every interval	microseconds.	Adding
	       a  suffix  of s,	ms, or us (the default)	indicates that the up-
	       date interval is	specified in  seconds,	milliseconds,  or  mi-
	       croseconds, respectively.

       -p      Only display physical providers (those with rank	of 1).

INTERACTIVE COMMANDS
       These  commands	are  currently	recognized  if gstat is	not running in
       batch mode:

       <       Halve the update	interval.

       >       Double the update interval.

       c       Toggle display of geom(4) consumers.

       f       Display only devices with the names matching regular expression
	       filter (prompt for filter).

       F       Remove device filter.

       q       Quit gstat.

EXIT STATUS
       The gstat utility exits 0 on success, and >0 if an error	occurs.

SEE ALSO
       systat(1), geom(4), iostat(8), vmstat(8)

HISTORY
       A gstat utility appeared	in FreeBSD 5.0.

FreeBSD	13.2			January	1, 2021			      GSTAT(8)
NAME | SYNOPSIS | DESCRIPTION | INTERACTIVE COMMANDS | EXIT STATUS | SEE ALSO | HISTORY

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