coalitionio(1) mojave man page | unix.com

COLATIONIO(1)						    BSD General Commands Manual 					     COLATIONIO(1)

NAME
     CoalitionIO -- Print storage I/O via coalition counters.

SYNOPSIS
     CoalitionIO [-c] [--clear] [--perfdata [filename]]

DESCRIPTION
     CoalitionIO wil print out I/O metrics via the coalition counters.	The utility stores the counts in a sqlite database following each invoca-
     tion of the utility. What is printed is the delta between the current counts and the counts stored in the database. When the utility is used
     for the first time, or with an empty database, then the coalition counts are from system start.

     The sqlite database containing the deltas can be cleared.

OUTPUT
     LogicalImmediateWrites

     LogicalMetadataWrites

     LogicalInvalidatedWrites

     LogicalDeferredWrites

OPTIONS
     -c ,  --clear
	      Clear deltas database

     --perfdata [filename]
	      Write output in perfdata format.	filename can be one of 3 options, 1) - (dash) Write data to STDOUT.  2) <filename> Write to file.
	      3) (nothing) Write to a temporary filename in ${TMPDIR:-/tmp}

SEE ALSO
     easyperf(1)

Darwin								   May 31, 2019 							    Darwin