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

..

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

…

clock.c

…

core.c

sched: Fix nohz load accounting -- again!

2012-03-12 20:43:17 +01:00

cpupri.c

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cpupri.h

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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

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idle_task.c

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Makefile

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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

…

stop_task.c

…