On Wed, Jul 25, 2012 at 02:00:41PM +0400, Glauber Costa wrote: > On 07/25/2012 02:00 PM, Eric W. Biederman wrote: > > Glauber Costa <glommer@xxxxxxxxxxxxx> writes: > > > >> On 07/12/2012 01:41 AM, Kir Kolyshkin wrote: > >>> Gentlemen, > >>> > >>> We are organizing containers mini-summit during next Linux Plumbers (San > >>> Diego, August 29-31). > >>> The idea is to gather and discuss everything relevant to namespaces, > >>> cgroups, resource management, > >>> checkpoint-restore and so on. > >>> > >>> We are trying to come up with a list of topics to discuss, so please > >>> reply with topic suggestions, and > >>> let me know if you are going to come. > >>> > >>> I probably forgot a few more people (such as, I am not sure who else > >>> from Google is working > >>> on cgroups stuff), so fill free to forward this to anyone you believe > >>> should go, > >>> or just let me know whom I missed. > >>> > >>> Regards, > >>> Kir. > >> > >> BTW, sorry for not replying before (vacations + post-vacations laziness) > >> > >> I would be interested in adding /proc virtualization to the discussion. > >> By now it seems userspace would be the best place for that to happen, in > >> a fuse overlay. I know Daniel has an initial implementation of that, and > >> it would be good to have it as library that both OpenVZ and LXC (and > >> whoever else wants) can use. > >> > >> Shouldn't take much time... > > > > What would you need proc virtualization for? > > > > proc provides a lot of information that userspace tools rely upon. > For instance, when running top, you can draw per-process figures from > what we have now, but you can't make sense of percentages without > aggregating container-wide information. > > When you read /proc/cpuinfo, as well, you would expect to see something > that matches your container configuration. > > "free" is another example. The list go on. Another interesting feature IMHO would be the per-cgroup loadavg. A typical use case could be a monitoring system that wants to know which containers are more overloaded than others, instead of using a single system-wide measure in /proc/loadavg. -Andrea -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html