Why the niceness is not always taken into account ?

[Kristof Provost]

On 2013-04-16 17:38:50 (+0200), Alexandre Laurent <alexandre.laurent at uvsq.fr> wrote:
> On the computer where I am testing, I have nothing related to cgroups.
> 
> Here a 'ps aux' in case I am missing something.

cgroups wouldn't actually show up in the process list. Check mount to
see if anyone mounts an fs of type 'cgroup'.

It's perhaps even more likely that it's related to SCHED_AUTOGROUP as
Michi suggested.

-- 
Kristof