linux/kernel/sched
Peter Zijlstra 367456c756 sched: Ditch per cgroup task lists for load-balancing
Per cgroup load-balance has numerous problems, chief amongst them that
there is no real sane order in them. So stop pretending it makes sense
and enqueue all tasks on a single list.

This also allows us to more easily fix the fwd progress issue
uncovered by the lock-break stuff. Rotate the list on failure to
migreate and limit the total iterations to nr_running (which with
releasing the lock isn't strictly accurate but close enough).

Also add a filter that skips very light tasks on the first attempt
around the list, this attempts to avoid shooting whole cgroups around
without affecting over balance.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: pjt@google.com
Link: http://lkml.kernel.org/n/tip-tx8yqydc7eimgq7i4rkc3a4g@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-03-01 13:08:37 +01:00
..
auto_group.c
auto_group.h
clock.c
core.c sched: Ditch per cgroup task lists for load-balancing 2012-03-01 13:08:37 +01:00
cpupri.c
cpupri.h
debug.c sched: Remove sched_switch 2012-01-27 13:28:53 +01:00
fair.c sched: Ditch per cgroup task lists for load-balancing 2012-03-01 13:08:37 +01:00
features.h
idle_task.c
Makefile
rt.c sched/rt: Do not throttle when PI boosting 2012-03-01 10:28:02 +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