On 03/20/2013 12:57 PM, Preeti U Murthy wrote:
> Neither core will be able to pull the task from the other to consolidate
> the load because the rq->util of t2 and t4, on which no process is
> running, continue to show some number even though they degrade with time
> and sgs->utils accounts for them. Therefore,
> for core1 and core2, the sgs->utils will be slightly above 100 and the
> above condition will fail, thus failing them as candidates for
> group_leader,since threshold_util will be 200.

Thanks for note, Preeti!

Did you find some real issue in some platform?
In theory, a totally idle cpu has a zero rq->util at least after 3xxms,
and in fact, I find the code works fine on my machines.

-- 
Thanks
    Alex
--
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/

Reply via email to