Messages in this thread | | | Date | Fri, 9 Jan 2009 15:32:19 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC][PATCH] NOOP cgroup subsystem |
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On Thu, 8 Jan 2009 22:26:46 -0800 Paul Menage <menage@google.com> wrote:
> On Thu, Jan 8, 2009 at 9:32 PM, KAMEZAWA Hiroyuki > <kamezawa.hiroyu@jp.fujitsu.com> wrote: > > > > Motivation: Simply classify Applications by cgroup > > When using cgroup for classifying applications, some kind of "control" or > > "account" subsys must be used. For flexible use of cgroup's nature of > > classifying applications, NOOP is useful. It can be used regardless of > > resource accounting unit or name spaces or some controls. > > IOW, NOOP cgroup allows users to tie PIDs with some nickname. > > I agree that the idea is useful. But to me it seems to a bit > artificial that you still have to mount some kind of subsystem purely > to get the grouping, and that you can only have one such grouping. > > I think I'd prefer the ability to mount a cgroups hierarchy without > *any* subsystems (maybe with "-o none"?) which would give you a > similar effect, but without you needing to know about a special no-op > subsystem, and would allow you to have multiple "no-op" groupings. >
Oh, it seems better idea. Then, we need no configs and no additional subsys. Thank you for a hint. I'll check how I can do it.
Thanks, -Kame
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