|-t||Total mode. This displays separate columns with the total read and write output, and a combined total column that also includes non I/O operations.|
|Display statistics this many times.|
|-C||Disable CPU statistics display.|
|-d||Display DMA operation time (latency) instead of overall I/O time (latency).|
|-D||Text dump mode. Dump statistics every 30 seconds in a text format suitable for parsing. No statistics are computed in this mode, only raw numbers are displayed.|
|-h||Suppress display of the header.|
|-l lun||Request statistics for the specified LUN.|
|Display statistics for this many devices.|
|Request statistics for the specified port.|
|Wait this many seconds in between displays. If this option is not specified, ctlstat defaults to a 1 second interval.|
Display total statistics for the system with a one second interval.
ctlstat -d -l 5 -C
Display average DMA time for LUN 5 and omit CPU utilization.
ctlstat -n 7 -w 10
Display statistics for the first 7 LUNs, and display average statistics every 10 seconds.
.An Ken Merry Aq ken@FreeBSD.org
.An Will Andrews Aq will@FreeBSD.org