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Re: [Documentation] State of CPU controller in cgroup v2

From Andy Lutomirski <luto@amacapital.net>
Newsgroups linux.kernel
Subject Re: [Documentation] State of CPU controller in cgroup v2
Date 2016-09-16 17:20 +0200
Message-ID <si35M-6q0-29@gated-at.bofh.it> (permalink)
References (6 earlier) <sfCW5-tE-1@gated-at.bofh.it> <shoFk-5qB-53@gated-at.bofh.it> <shoFk-5qB-51@gated-at.bofh.it> <shL8R-38G-11@gated-at.bofh.it> <shWdX-1I1-9@gated-at.bofh.it>
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On Sep 16, 2016 12:51 AM, "Peter Zijlstra" <peterz@infradead.org> wrote:
>
> On Thu, Sep 15, 2016 at 01:08:07PM -0700, Andy Lutomirski wrote:
> > BTW, Mike keeps mentioning exclusive cgroups as problematic with the
> > no-internal-tasks constraints.  Do exclusive cgroups still exist in
> > cgroup2?  Could we perhaps just remove that capability entirely?  I've
> > never understood what problem exlusive cpusets and such solve that
> > can't be more comprehensibly solved by just assigning the cpusets the
> > normal inclusive way.
>
> Without exclusive sets we cannot split the sched_domain structure.
> Which leads to not being able to actually partition things. That would
> break DL for one.

Can you sketch out a toy example?  And what's DL?

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Re: [Documentation] State of CPU controller in cgroup v2 Tejun Heo <tj@kernel.org> - 2016-09-10 01:00 +0200
  Re: [Documentation] State of CPU controller in cgroup v2 Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-10 11:00 +0200
  Re: [Documentation] State of CPU controller in cgroup v2 Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-10 12:10 +0200
  Re: [Documentation] State of CPU controller in cgroup v2 "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-09-12 17:30 +0200
    Re: [Documentation] State of CPU controller in cgroup v2 Tejun Heo <tj@kernel.org> - 2016-09-19 23:40 +0200
  Re: [Documentation] State of CPU controller in cgroup v2 Tejun Heo <tj@kernel.org> - 2016-09-14 22:10 +0200
    Re: [Documentation] State of CPU controller in cgroup v2 Andy Lutomirski <luto@amacapital.net> - 2016-09-15 22:10 +0200
      Re: [Documentation] State of CPU controller in cgroup v2 Peter Zijlstra <peterz@infradead.org> - 2016-09-16 10:00 +0200
        Re: [Documentation] State of CPU controller in cgroup v2 Andy Lutomirski <luto@amacapital.net> - 2016-09-16 17:20 +0200
          Re: [Documentation] State of CPU controller in cgroup v2 Andy Lutomirski <luto@amacapital.net> - 2016-09-16 18:30 +0200
            Re: [Documentation] State of CPU controller in cgroup v2 Peter Zijlstra <peterz@infradead.org> - 2016-09-16 19:00 +0200
              Re: [Documentation] State of CPU controller in cgroup v2 Andy Lutomirski <luto@amacapital.net> - 2016-09-16 20:30 +0200
                Re: [Documentation] State of CPU controller in cgroup v2 Peter Zijlstra <peterz@infradead.org> - 2016-09-17 03:50 +0200
          Re: [Documentation] State of CPU controller in cgroup v2 Peter Zijlstra <peterz@infradead.org> - 2016-09-16 18:30 +0200
      Re: [Documentation] State of CPU controller in cgroup v2 Tejun Heo <tj@kernel.org> - 2016-09-20 00:00 +0200

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