On Thu, 2014-10-02 at 13:15 -0400, Rik van Riel wrote: > Subject: sched,idle: teach select_idle_sibling about idle states > > Change select_idle_sibling to take cpu idle exit latency into > account. First preference is to select the cpu with the lowest > exit latency from a completely idle sched_group inside the CPU; > if that is not available, we pick the CPU with the lowest exit > latency in any sched_group. > > This increases the total search time of select_idle_sibling, > we may want to look into propagating load info up the sched_group > tree in some way. That information would also be useful to prevent > the wake_affine logic from causing a load imbalance between > sched_groups.
A generic boo hiss aimed in the general direction of all of this let's go look at every possibility on every wakeup stuff. Less is more. -Mike -- 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/