suse man page for chrt

Query: chrt

OS: suse

Section: 1

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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 PARTICU- LAR 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)
Related Man Pages
chrt(1) - linux
chrt(1) - debian
chrt(1) - x11r4
chrt(1) - opendarwin
chrt(1) - freebsd
Similar Topics in the Unix Linux Community
Obtaining A Process ID (PID)
Segmentation fault
Macbook - Best way to use Linux software?
What Geeks Love - Part 2
Heart OS and Love OS?