Re: [PATCH 0/5] BT scheduling class

From: Valentin Schneider
Date: Fri Jun 21 2019 - 09:26:16 EST


On 21/06/2019 14:03, Peter Zijlstra wrote:
> On Fri, Jun 21, 2019 at 03:45:52PM +0800, xiaoggchen@xxxxxxxxxxx wrote:
>
>> First only server application exists in the system and the success
>> rate is 99.998% and the average cpu use is only 25%.
>
> Have you guys looked at this series:
>
> https://lkml.kernel.org/r/cover.1556182964.git.viresh.kumar@xxxxxxxxxx
>
>

Sort of a shot in the dark here, but I wonder if task stealing [1] could
help as well? IIRC Steve had some pretty good CPU utilization improvements
with his series.

FWIW I have a somewhat recent rebase of CFS stealing laying around at [2].

[1]: https://lore.kernel.org/lkml/1544131696-2888-1-git-send-email-steven.sistare@xxxxxxxxxx/
[2]: http://www.linux-arm.org/git?p=linux-vs.git;a=shortlog;h=refs/heads/mainline/cfs-stealing/v4-rebase