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schedtool

Queries/alters process' scheduling policy and CPU affinity

Variants:
Schedtool can query or alter a process' scheduling policy in Linux, specifically assigning SCHED_NORMAL, _FIFO, _RR, _BATCH, _ISO or _IDLEPRIO. It can set static priority for _FIFO and _RR. Setting CPU-affinity and (re)nicing is also possible, making schedtool the definitive interface to Linux scheduler.

It can be used to avoid skips and glitches in A/V applications, to lock processes onto given CPUs on SMP/NUMA systems, which may be beneficial for networking or benchmarks, or to adjust nice-levels of lesser important jobs to maintain a high amount of interactive responsiveness under high load. It is also handy to manage realtime processes.

If you don't know about scheduling policies, you probably don't want to use this program - or learn and read "man sched_setscheduler".

Some supported scheduling policies (such as SCHED_ISO, or SCHED_IDLEPRIO) need a patched kernel (eg. Con Kolivas' -ck patchset).

Homepage:-
Package version:1.3.0-1
Architecture:i386
Distribution:Debian
Filename:schedtool_1.3.0-1_i386.deb

/usr/share/doc/schedtool/README.gz

schedtool
Copyright (C) 2002-2006 Freek
Release under GPL, version 2 (see LICENSE)
Use at your own risk.
Inspired by setbatch (C) 2002 Ingo Molnar
Suggestions are welcome.

CONTENT:
--------

-About
-Usage / description of schedtool
-A complex example
-Static Priority
-Policies reviewed
-Thanks
-Appendix A: A course into Multi-Level-Feedback-Queue-scheduling



ABOUT:
------

schedtool was born, b
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/usr/share/man/man8/schedtool.8.gz

SCHEDTOOL(8)           System Manager's Manual          SCHEDTOOL(8)



NAME
       schedtool - query and set CPU scheduling parameters


SYNOPSIS
       schedtool
              [-0|-N] [-1|-F] [-2|-R] [-3|-B] [-4|-I] [-5|-D]
              [-M policy]
              [-a affinity]
              [-p prio]
              [-n nice_level]
              [-e command [arg ...]]
              [-r]
          
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/usr/share/doc/schedtool/changelog.Debian.gz

schedtool (1.3.0-1) unstable; urgency=low

  * New upstream release
  * Uses the new cpu_set_t api found in newer glibcs

 -- Thibaut VARENE <varenet@debian.org>  Fri, 19 Sep 2008 15:56:39 +0200

schedtool (1.2.10-1) unstable; urgency=low

  * New upstream release
  * Sync up with upstream version number, no change

 -- Thibaut VARENE <varenet@debian.org>  Sat, 15 Dec 2007 12:20:15 +0100

schedtoo
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/usr/share/doc/schedtool/changelog.gz

Tue Aug  6 14:42:36 CEST 2002
v0.3

-added SCHED_FIFO, SCHED_RR, static priorities
-updated document
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/usr/share/doc/schedtool/TODO

-add raw number mode for sched policies 
DONE
-add variable parsing of affinity (0x3 == "0,1" etc)
D
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/usr/share/doc/schedtool/copyright

This package was debianized by Thibaut VARENE <varenet@debian.org> on
Sat,  6 Jan 2007 23:25:50 +010
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