Re: [memcg] 45208c9105: aim7.jobs-per-min -14.0% regression

[Shakeel Butt]

On Mon, Sep 13, 2021 at 1:10 PM Tejun Heo <tj@xxxxxxxxxx> wrote:
>
> On Mon, Sep 13, 2021 at 01:09:11PM -0700, Shakeel Butt wrote:
> > Thanks a lot for the explanation. Are there any concerns to call
> > cgroup_rstat_flush_irqsafe(root_mem_cgroup->css.cgroup) in system_wq?
> > This will be called every 2 seconds, so, we can assume the updated
> > tree would be small most of the time.
>
> I can't think of a reason why this would be problematic.
>

Thanks again.

Feng, is it possible to re-run these benchmarks with
queue_work(system_wq) instead of queue_work(system_unbound_wq)?