chrt - Unix, Linux Command

NAME

chrt - manipulate real-time attributes of a process

SYNOPSIS

chrt [options] [prio] [pid | command [arg]...]

DESCRIPTION

chrt(1) sets or retrieves the real-time scheduling attributes of an existing PID or runs COMMAND with the given attributes. Both policy (one of SCHED_OTHER, SCHED_FIFO, SCHED_RR, or SCHED_BATCH) and priority can be set and retrieved.

OPTIONS

Tag	Description
-p, --pid
	operate on an existing PID and do not launch a new task
-b, --batch	set scheduling policy to SCHED_BATCH
-f, --fifo
	set scheduling policy to SCHED_FIFO
-m, --max
	show minimum and maximum valid priorities, then exit
-o, --other
	set policy scheduling policy to SCHED_OTHER
-r, --rr
	set scheduling policy to SCHED_RR (the default)
-h, --help
	display usage information and exit
-v, --version
	output version information and exit

USAGE

Tag	Description
The default behavior is to run a new command::
	chrt [prio] [command] [arguments]
You can also retrieve the real-time attributes of an existing task:
	chrt -p [pid]
Or set them:
	chrt -p [prio] [pid]

PERMISSIONS

A user must possess CAP_SYS_NICE to change the scheduling attributes of a process. Any user can retrieve the scheduling information.

AUTHOR

Written by Robert M. Love.

REPORTING BUGS

Report bugs to <rml@tech9.net>.