On 11/27/2012 03:03 AM, Benjamin Segall wrote: > So, I've been trying out using the runnable averages for load balance in > a few ways, but haven't actually gotten any improvement on the > benchmarks I've run. I'll post my patches once I have the numbers down, > but it's generally been about half a percent to 1% worse on the tests > I've tried.
Did you tried this rfc patch? and what's the result of it? :) > > The basic idea is to use (cfs_rq->runnable_load_avg + > cfs_rq->blocked_load_avg) (which should be equivalent to doing > load_avg_contrib on the rq) for cfs_rqs and possibly the rq, and > p->se.load.weight * p->se.avg.runnable_avg_sum / period for tasks. > > I have not yet tried including wake_affine, so this has just involved > h_load (task_load_down and task_h_load), as that makes everything > (besides wake_affine) be based on either the new averages or the > rq->cpu_load averages. > -- 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/
