On Wed, Feb 26, 2020 at 09:03:26AM +0100, Vincent Guittot wrote:
> Hi Rong,
> 
> On Wed, 26 Feb 2020 at 02:33, kernel test robot <rong.a.chen@intel.com> wrote:
> >
> > Greeting,
> >
> > FYI, we noticed a -25.0% regression of phoronix-test-suite.aom-av1.0.frames_per_second due to commit:
> >
> >
> > commit: f6183ef98bba39a5de563d4ab4bc889ff2b600d7 ("sched/numa: replace runnable_load_avg by load_avg")
> > https://git.kernel.org/cgit/linux/kernel/git/mel/linux.git sched-lbnuma-rewrite-v2r6
> 
> The following patches in the branch recover the perf regression. Do
> you see regression on the whole branch ?
> 

If not, include "sched/fair: fix statistics for find_idlest_group" on top,
particularly if the workload is configured to use threads >= nr_cpus.

-- 
Mel Gorman
SUSE Labs