On Tuesday, October 13, 2015 01:39:03 PM Viresh Kumar wrote: > Currently update_sampling_rate() runs over each online CPU and > cancels/queues work on it. Its very inefficient for the case where a > single policy manages multiple CPUs, as they can be processed together.
In the case of one policy object shared between multiple CPUs, I'm wondering why we don't use a single delayed work function for all of them in the first place. That would address the problem at the source instead of dealing with the symptoms. > Also drop the unnecessary cancel_delayed_work_sync() as we are doing a > mod_delayed_work_on() in gov_queue_work(), which will take care of > pending works for us. I'd prefer a separate patch for that if poss. Thanks, Rafael -- 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/