Messages in this thread | | | Date | Tue, 10 May 2011 16:17:48 +0900 | From | Hidetoshi Seto <> | Subject | Re: [patch 02/15] sched: hierarchical task accounting for SCHED_OTHER |
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Some typos in the description.
(2011/05/03 18:28), Paul Turner wrote: > Introduce hierarchal task accounting for the group scheduling case in CFS, as
hierarchical
> well as promoting the responsibility for maintaining rq->nr_running to the > scheduling classes. > > The primary motivation for this is that with scheduling classes supporting > bandwidht throttling it is possible for entities participating in trottled
bandwidth throttled
> sub-trees to not have root visible changes in rq->nr_running across activate > and de-activate operations. This in turn leads to incorrect idle and > weight-per-task load balance decisions. > > This also allows us to make a small fixlet to the fastpath in pick_next_task() > under group scheduling. > > Note: this issue also exists with the existing sched_rt throttling mechanism. > This patch does not address that. > > Signed-off-by: Paul Turner <pjt@google.com> > > ---
The patch is good.
Reviewed-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Thanks, H.Seto
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