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(parent: 8ebc91d) | patch
sched: remove precise CPU load
authorIngo Molnar <mingo@elte.hu>
Mon, 15 Oct 2007 15:00:03 +0000 (17:00 +0200)
committerIngo Molnar <mingo@elte.hu>
Mon, 15 Oct 2007 15:00:03 +0000 (17:00 +0200)
commita25707f3aef9cf68c341eba5960d580f364e4e6f
tree77f13a0d32f68217cf6be32b1ab755bf7c1c0665tree | snapshot
parent8ebc91d93669af39dbed50914d7daf457eeb43becommit | diff
sched: remove precise CPU load

CPU load calculations are statistical anyway, and there's little benefit
from having it calculated on every scheduling event. So remove this code,
it gets rid of a divide from the scheduler wakeup and context-switch
fastpath.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
kernel/sched.c diff | blob | history
kernel/sched_debug.c diff | blob | history
kernel/sched_fair.c diff | blob | history
Full containers within linux kernel