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SubjectRe: [RFC] Mount point suggestions for cgroup
* Serge E. Hallyn <serue@us.ibm.com> [2009-11-04 10:11:42]:

> Quoting Dave Hansen (dave@linux.vnet.ibm.com):
> > On Wed, 2009-11-04 at 13:46 +0530, Balbir Singh wrote:
> > > The reason I liked /dev/cgroup was because cpusets could be
> > > mounted at /dev/cpuset or /dev/cgroup/cpuset. My concern with /cgroup
> > > is that a ls "/" now becomes larger in size. But I'll take your vote
> > > for it as +1 for /cgroup.
> >
> > /dev/pts is a decent precedent for doing it under /dev, although it does
> > deal with actual devices. cgroups do not.
>
> Hmm, on whose behalf are you making this decision?
>
> LSB people will want to avoid using /cgroup, but I think a lot of
> admins will likely prefer /cgroup (as I do). On my systems I
> always use /cgroup, but would be more likely to use /mnt/cgroup
> over /dev/cgroup.
>
> lxc (at lxc.sf.net) rightfully takes the cgroupfs from wherever it
> happens to be mounted. Do you really need a mountpoint decided?
>
> If you do, then while I DETEST the extra typing, I think
> /sys/kernel/cgroup makes most sense, since that's where you find
> debugfs and securityfs.
>

I would like to make this decision as a part of the tooling
development team for cgroups. So far we have

/cgroup +2
/sys +1
/dev +1

The concern with /sys/kernel/cgroup is that it would require creation
of sysfs directory that might not be backwards compatible way back to
2.6.24 when cgroups were first added.

--
Balbir


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