Re: [percpu] ace7e70901: aim9.sync_disk_rw.ops_per_sec -2.3% regression

[Roman Gushchin]

On Fri, May 07, 2021 at 11:06:06AM +0800, Oliver Sang wrote:
> hi Roman,
>  
> On Thu, May 06, 2021 at 12:54:59AM +0000, Roman Gushchin wrote:
> > Ping
> 
> sorry for late.
> 
> the new patch makes the performance a little better but still has
> 1.9% regression comparing to
> f183324133 ("percpu: implement partial chunk depopulation")

Hi Oliver!

Thank you for testing it!

Btw, can you, please, confirm that the regression is coming specifically
from ace7e70901 ("percpu: use reclaim threshold instead of running for every page")?
I do see *some* regression in my setup, but the data is very noisy, so I'm not sure
I can confirm it.

Thanks!