Show or change the real-time scheduling attributes of a process.

Set policy:
 chrt [options] [<priority>] <command> [<argument>...]
 chrt --pid <policy-option> [options] [<priority>] <PID>

Get policy:
 chrt --pid <PID>

Policy options:
 -b, --batch          set policy to SCHED_BATCH
 -d, --deadline       set policy to SCHED_DEADLINE
 -e, --ext            set policy to SCHED_EXT
 -f, --fifo           set policy to SCHED_FIFO
 -i, --idle           set policy to SCHED_IDLE
 -o, --other          set policy to SCHED_OTHER
 -r, --rr             set policy to SCHED_RR (default)

Scheduling options:
 -R, --reset-on-fork       set reset-on-fork flag
 -T, --sched-runtime <ns>  runtime parameter for DEADLINE
 -P, --sched-period <ns>   period parameter for DEADLINE
 -D, --sched-deadline <ns> deadline parameter for DEADLINE

Other options:
 -a, --all-tasks      operate on all the tasks (threads) for a given pid
 -m, --max            show min and max valid priorities
 -p, --pid            operate on existing given pid
 -v, --verbose        display status information

 -h, --help           display this help
 -V, --version        display version

For more details see chrt(1).