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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).
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 more»
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] more»
schedtool (1.3.0-1) unstable; urgency=low * New upstream release * Uses the new cpu_set_t api found in newer glibcs -- Thibaut VARENE <email@example.com> 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 <firstname.lastname@example.org> Sat, 15 Dec 2007 12:20:15 +0100 schedtoo more»
Tue Aug 6 14:42:36 CEST 2002 v0.3 -added SCHED_FIFO, SCHED_RR, static priorities -updated document more»
-add raw number mode for sched policies DONE -add variable parsing of affinity (0x3 == "0,1" etc) D more»
This package was debianized by Thibaut VARENE <email@example.com> on Sat, 6 Jan 2007 23:25:50 +010 more»