On Fri, May 10, 2013 at 8:17 AM, Alex Shi <alex....@intel.com> wrote:
> blocked_load_avg sometime is too heavy and far bigger than runnable load
> avg. that make balance make wrong decision. So better don't consider it.
>
> Signed-off-by: Alex Shi <alex....@intel.com>
> ---
> kernel/sched/fair.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 91e60ac..75c200c 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -1339,7 +1339,7 @@ static inline void
> __update_cfs_rq_tg_load_contrib(struct cfs_rq *cfs_rq,
> struct task_group *tg = cfs_rq->tg;
> s64 tg_contrib;
>
> - tg_contrib = cfs_rq->runnable_load_avg + cfs_rq->blocked_load_avg;
Nack -- This is necessary for correct shares distribution.
T
> + tg_contrib = cfs_rq->runnable_load_avg;
> tg_contrib -= cfs_rq->tg_load_contrib;
>
> if (force_update || abs64(tg_contrib) > cfs_rq->tg_load_contrib / 8) {
> --
> 1.7.5.4
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
