lkml.org 
[lkml]   [2012]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v5] sched: Avoid unnecessary work in reweight_entity
* Michael Wang <wangyun@linux.vnet.ibm.com> [2012-02-27 14:21:57]:
> I think I really need some study on cgroup first...I've done some totally useless
> test :( ,

Yes!

> but still confused that why sys time reduced?

Could be just noise ..

> And I got a server with Redhat now, so I will do:
>
> 1. cgcreate -g cpu:/subcg1
> 2. echo $$ > /cgroup/cpu/subcg1/tasks
> 3. open another shell
> 4. do 1~3 multi times, plan to get 7 cpu cgroup with 7 shell attached to each one.
> 5. run kernbench in each shell
>
> Please tell me if I missed some thing :)

That should stress the cgroup-specific paths of scheduler!

-vatsa



\
 
 \ /
  Last update: 2012-02-27 07:47    [W:0.037 / U:16.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site