lkml.org 
[lkml]   [2011]   [Sep]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/9] Remove parent field in cpuacct cgroup
From
Date
On Fri, 2011-09-23 at 13:39 +0530, Balbir Singh wrote:
> >> Android makes heavy use of cpuacct as well. We invented it to do cpu
> >> accounting independent of control
> >
> > But its a massive waste of time to have to iterate a double hierarchy,
> > cache-miss heaven.
> >
>
> By double hierarchy you mean both cpu and cpuacct?

Yes

> What if they are not mounted together?

I was asking if there was a real reason not to have that.

> > Or so people really have independent cgroups as well? I thought people
> > just co-mount all this crap.
> >
>
> Please see
> http://code.google.com/p/cgroupmgr/wiki/cgroupsForAndroid
> http://stackoverflow.com/questions/6814207/android-cpuacct-usage-file
>
> AFAIK, some versions mount cpuacct at /acct and independent of cpu cgroups

They do now, but can that be fixed? Is there a sane use-case?

Overhead really must come down of all this crap.


\
 
 \ /
  Last update: 2011-09-23 16:39    [W:0.106 / U:0.392 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site