[systemd-devel] [PATCH] cgroup-util: Add more well-known controller names

[Martin Pitt]

Hey Lennart,

Lennart Poettering [2014-12-01  0:44 +0100]:
> > +        "hugetlb\0"
> > +        "cpuset\0"
> > +        "net_cls\0"
> > +        "net_prio\0"
> > +        "freezer\0"
> > +        "perf_event\0";
> 
> In general we should be really careful about manipulating hierarchies
> we don't know enough about, since some controllers actually have an
> effect on a process even with no actual cgroup property changed from
> the default ("cpu" is an obvious one, which breaks RT scheduling). 

I asked Stéphane (LXC upstream) about that some days/weeks ago, and he
said that this issue was fixed upstream in the kernel. I have no
further info about this, perhaps he can reply with some details?

> I figure before adding these controllers to the list systemd manages
> we need to open the discussion with Tejun about the future of the
> respective controllers...
> 
> I think it would be better to apply a patch of thee downstream if at
> all, for now, if you need it now. 

Ack, that's ok.

Martin
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)