Re: [PATCH RFC/RFT] sched/fair: Improve the behavior of sync flag

From: Mike Galbraith
Date: Sun Aug 27 2017 - 14:09:17 EST


On Sat, 2017-08-26 at 23:39 -0700, Joel Fernandes wrote:
>
> Also about real world benchmarks, in Android we have usecases that
> show that the graphics performance and we have risk of frame drops if
> we don't use the sync flag so this is a real world need.

That likely has everything to do with cpufreq not realizing that your
CPUs really are quite busy when scheduling cross core at fairly high
frequency, and not clocking up properly.

-Mike