lkml.org 
[lkml]   [2013]   [Jun]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 11/11] cgroup: use percpu refcnt for cgroup_subsys_states
Hello, Michal.

On Mon, Jun 17, 2013 at 03:27:44PM +0200, Michal Hocko wrote:
> Thanks for your results! Yes the boost can be really high. I will try to
> measure some memcg workloads as soon as I have some spare cycles. I do
> not expect a big win but I also do not think this would regress.

With the just committed RCU-sched conversion, the slowdown even on
single CPU configuration w/ CONFIG_PREEMPT should be in the range of a
few percent points in the worst cases and will mostly be in the noise
in any realistic scenarios. So, yeah, looks pretty good to me. :)

Thanks.

--
tejun


\
 
 \ /
  Last update: 2013-06-17 20:01    [W:2.708 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site