chrt - phpMan

CHRT(1)                       Linux User’s Manual                      CHRT(1)



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_FIFO,  SCHED_RR,
       or SCHED_OTHER) and priority can be set and retrieved.

OPTIONS
       -p, --pid
              operate on an existing PID and do not launch a new task



       -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.

AUTHOR
       Written by Robert M. Love.

REPORTING BUGS
       Report bugs to <rml AT tech9.net>.

COPYRIGHT
       Copyright © 2004 Robert M. Love
       This is free software; see the source for copying conditions.  There  is  NO
       warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

SEE ALSO
       taskset(1), nice(1), renice(1)

       See sched_setscheduler(2) for a description of the Linux scheduling  scheme.



schedutils                         Apr 2003                            CHRT(1)

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