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Re: [RFC v3 0/5] Add capacity capping support to the CPU controller

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [RFC v3 0/5] Add capacity capping support to the CPU controller
Date 2017-04-12 14:50 +0200
Message-ID <tvpSF-4v9-5@gated-at.bofh.it> (permalink)
References <tfRge-5JN-31@gated-at.bofh.it> <tn6WT-6aK-29@gated-at.bofh.it> <tn9rI-81U-11@gated-at.bofh.it> <tuC5z-68L-3@gated-at.bofh.it> <tv8f8-1JB-3@gated-at.bofh.it>
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On Tue, Apr 11, 2017 at 06:58:33PM +0100, Patrick Bellasi wrote:
> >     illustrated per your above points in that it affects both, while in
> >     fact it actually modifies another metric, namely util_avg.
> 
> I don't see it modifying in any direct way util_avg.

The point is that clamps called 'capacity' are applied to util. So while
you don't modify util directly, you do modify the util signal (for one
consumer).

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Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-11 20:00 +0200
  Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 14:20 +0200
    Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-12 16:00 +0200
      Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 17:40 +0200
        Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-13 13:40 +0200
  Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 14:20 +0200
    Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-12 15:40 +0200
      Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 16:50 +0200
  Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 14:30 +0200
    Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-12 15:30 +0200
  Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 14:50 +0200
    Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-12 15:30 +0200
      Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 16:40 +0200
        Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-12 16:50 +0200
          Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Peter Zijlstra <peterz@infradead.org> - 2017-04-12 18:20 +0200
            Re: [RFC v3 0/5] Add capacity capping support to the CPU controller Patrick Bellasi <patrick.bellasi@arm.com> - 2017-04-13 12:40 +0200

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