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chrt (1)
>> chrt (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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
-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
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.