From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 15 Nov 2010 23:47:00 +0000 (-0800)
Subject: sched: Rewrite tg_shares_up)
X-Git-Tag: v2.6.38-rc1~489^2~31
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2069dd75c7d0f49355939e5586daf5a9ab216db7;p=pandora-kernel.git

sched: Rewrite tg_shares_up)

By tracking a per-cpu load-avg for each cfs_rq and folding it into a
global task_group load on each tick we can rework tg_shares_up to be
strictly per-cpu.

This should improve cpu-cgroup performance for smp systems
significantly.

[ Paul: changed to use queueing cfs_rq + bug fixes ]

Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101115234937.580480400@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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