From mboxrd@z Thu Jan 1 00:00:00 1970 From: Glauber Costa Subject: Re: [Devel] Re: containers and cgroups mini-summit @ Linux Plumbers Date: Wed, 25 Jul 2012 14:02:52 +0400 Message-ID: <500FC44C.1030606@parallels.com> References: <4FFDF321.4030103@openvz.org> <500FB473.3090606@parallels.com> <871uk0b1p4.fsf@xmission.com> <500FC3C9.4010005@parallels.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <500FC3C9.4010005-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: "Eric W. Biederman" Cc: Frederic Weisbecker , Balbir Singh , Pavel Emelyanov , Suleiman-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, Daniel Lezcano , Tim Hockin , Greg Thelen , Paul Turner , devel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, Serge Hallyn , Souhlal , Tejun Heo , Dave Kleikamp , Dhaval Giani , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, KAMEZAWA Hiroyuki , Maxim-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, Johannes Weiner , Rohit Seth , Patlasov On 07/25/2012 02:00 PM, Glauber Costa wrote: > On 07/25/2012 02:00 PM, Eric W. Biederman wrote: >> Glauber Costa 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. > > Also, Eric: Will you be around LPC? Would you be willing to hold a session about pid/user namespaces ?