Re: [PATCH 1/2] sched: entity load-tracking re-work - Fix for ARM
From: Morten Rasmussen
Date: Tue Feb 28 2012 - 12:46:18 EST
On Wed, Feb 29, 2012 at 10:37:38AM +0000, Pantelis Antoniou wrote:
> @@ -1110,9 +1110,9 @@ static inline void __update_group_entity_contrib(struct sched_entity *se)
> struct cfs_rq *cfs_rq = group_cfs_rq(se);
> struct task_group *tg = cfs_rq->tg;
> int runnable_avg;
> + u64 contrib;
>
> - se->avg.load_avg_contrib = (cfs_rq->tg_load_contrib * tg->shares);
> - se->avg.load_avg_contrib /= atomic64_read(&tg->load_avg) + 1;
It seems that contrib is never assigned?
Fix:
+ contrib = (cfs_rq->tg_load_contrib * tg->shares);
> + se->avg.load_avg_contrib = div_u64(contrib, atomic64_read(&tg->load_avg) + 1);
Regards,
Morten
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