[lkml]   [2012]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH v5] sched: Avoid unnecessary work in reweight_entity
    On Sat, 2012-02-18 at 09:43 +0800, Michael Wang wrote:
    > And as reight_entity is invoked very often, I think this patch can do some help to the
    > performance, although there are no numbers, we can prove it logically :)

    Well, you're probably right (although I think you completely ignored the
    optimizing compiler), but still it would be good to get some numbers to
    confirm reality :-)

    Just pick your favourite cgroup workload/benchmark and run a pre/post
    comparison, possible using perf record.

    If all squares up you should see an improvement in your benchmark score
    as well as see a reduction in time spend in the function you're

     \ /
      Last update: 2012-02-20 14:11    [W:0.024 / U:0.284 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site