Messages in this thread | | | Date | Thu, 30 Oct 2014 14:14:13 +0000 | From | Matt Fleming <> | Subject | Re: Cache Allocation Technology Design |
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On Thu, 30 Oct, at 08:43:33AM, Tejun Heo wrote: > Hello, Peter. > > On Thu, Oct 30, 2014 at 08:07:25AM +0100, Peter Zijlstra wrote: > > If this means echo $tid > tasks, then sorry we can't do. There is a > > limited number of hardware resources backing this thing. At some point > > they're consumed and something must give. > > And that something shouldn't be disallowing task migration across > cgroups. This simply doesn't work with co-mounting or unified > hierarchy. cpuset automatically takes on the nearest ancestor's > configuration which has enough execution resources. Maybe that can be > an option for this too?
Oh, you can always add more tasks to a cgroup, or move tasks between cgroups. What you can't always do is create more cgroups.
-- Matt Fleming, Intel Open Source Technology Center
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