linux/kernel/sched
Peter Zijlstra c308b56b53 sched: Fix nohz load accounting -- again!
Various people reported nohz load tracking still being wrecked, but Doug
spotted the actual problem. We fold the nohz remainder in too soon,
causing us to loose samples and under-account.

So instead of playing catch-up up-front, always do a single load-fold
with whatever state we encounter and only then fold the nohz remainder
and play catch-up.

Reported-by: Doug Smythies <dsmythies@telus.net>
Reported-by: LesÅ=82aw Kope=C4=87 <leslaw.kopec@nasza-klasa.pl>
Reported-by: Aman Gupta <aman@tmm1.net>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-4v31etnhgg9kwd6ocgx3rxl8@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-03-12 20:43:17 +01:00
..
Makefile sched: Move all scheduler bits into kernel/sched/ 2011-11-17 12:20:22 +01:00
auto_group.c sched: Clean up parameter passing of proc_sched_autogroup_set_nice() 2012-03-02 12:23:49 +01:00
auto_group.h sched: Move all scheduler bits into kernel/sched/ 2011-11-17 12:20:22 +01:00
clock.c sched: Move all scheduler bits into kernel/sched/ 2011-11-17 12:20:22 +01:00
core.c sched: Fix nohz load accounting -- again! 2012-03-12 20:43:17 +01:00
cpupri.c kernel-doc: fix kernel-doc warnings in sched 2012-01-23 08:44:54 -08:00
cpupri.h sched: Move all scheduler bits into kernel/sched/ 2011-11-17 12:20:22 +01:00
debug.c sched: Remove sched_switch 2012-01-27 13:28:53 +01:00
fair.c sched/nohz: Correctly initialize 'next_balance' in 'nohz' idle balancer 2012-03-12 20:43:16 +01:00
features.h sched: Use jump_labels for sched_feat 2011-12-06 20:51:26 +01:00
idle_task.c sched: Move all scheduler bits into kernel/sched/ 2011-11-17 12:20:22 +01:00
rt.c printk/sched: Introduce special printk_sched() for those awkward moments 2012-03-12 20:43:16 +01:00
sched.h sched: Ditch per cgroup task lists for load-balancing 2012-03-01 13:08:37 +01:00
stats.c sched: Remove sched_switch 2012-01-27 13:28:53 +01:00
stats.h Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into cputime-tip 2011-12-19 19:23:15 +01:00
stop_task.c sched: Move all scheduler bits into kernel/sched/ 2011-11-17 12:20:22 +01:00