lkml.org 
[lkml]   [2011]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 4/4] sched: Distangle worker accounting from rq->lock

* Tejun Heo <tj@kernel.org> wrote:

> The patch description is simply untrue. It does affect how wq
> behaves under heavy CPU load. The effect might be perfectly okay
> but more likely it will result in subtle suboptimal behaviors under
> certain load situations which would be difficult to characterize
> and track down. Again, the trade off (mostly killing of
> ttwu_local) could be okay but you can't get away with just claiming
> "there's no harm".

Well, either it can be measured or not. If you can suggest a specific
testing method to Thomas, please do.

Thanks,

Ingo


\
 
 \ /
  Last update: 2011-06-23 12:47    [W:0.125 / U:2.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site