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

NAME
       chrt - manipulate real-time attributes of a process

SYNOPSIS
       chrt [options] prio command [arg]...
       chrt [options] -p [prio] pid

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, SCHED_BATCH, or SCHED_IDLE)
       and priority can be set and retrieved.

       The SCHED_BATCH policy is supported since Linux 2.6.16. The  SCHED_IDLE
       policy is supported since Linux 2.6.23.

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

       -b, --batch
              set scheduling policy to SCHED_BATCH (Linux specific)

       -f, --fifo
              set scheduling policy to SCHED_FIFO

       -i, --idle
              set schedulng policy to SCHED_IDLE (Linux specific)

       -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.

NOTES
       Only SCHED_FIFO, SCHED_OTHER and SCHED_RR are  part  of  POSIX  1003.1b
       Process  Scheduling.  The other scheduling attributes may be ignored on
       some systems.

AUTHOR
       Written by Robert M. Love.

COPYRIGHT
       Copyright (C) 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.

AVAILABILITY
       The  chrt command is part of the util-linux-ng package and is available
       from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.

schedutils                         Apr 2003                            CHRT(1)
 

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Quelle: http://www.trinler.net/de/service/doc/linux/man.html?command=chrt
Gedruckt am: 13.12.2017 12:09 GMT+0100 (2017-12-13T12:09:30+01:00)