Re: [PATCH 0/2] sched/fair: Improve cost accounting of newidle_balance

From: Tim Chen
Date: Mon Oct 04 2021 - 19:07:26 EST


On Mon, 2021-10-04 at 19:14 +0200, Vincent Guittot wrote:
> Improve the precision of the cost of newidle_balance by taking into
> account
> the time spent in updating blocked load and skipping load balance
> loop
> entirely if there is no chance to run at least one.
>

Thanks Vincent.

I'll ask our benchmark team to give it a spin. They've been fairly
busy. I hope to get some bandwidth from them in next couple of
weeks.

Tim

> Vincent Guittot (2):
> sched/fair: account update_blocked_averages in newidle_balance cost
> sched/fair: Skip update_blocked_averages if we are defering load
> balance
>
> kernel/sched/fair.c | 16 +++++++++++-----
> 1 file changed, 11 insertions(+), 5 deletions(-)
>