Re: RFC: documentation of the autogroup feature [v2]

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: RFC: documentation of the autogroup feature [v2]
Date	2016-11-25 23:50 +0100
Message-ID	<sHxtD-6Eq-1@gated-at.bofh.it> (permalink)
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On Fri, Nov 25, 2016 at 05:33:23PM +0100, Michael Kerrisk (man-pages) wrote:

> Okay -- you're really quite the ASCII artist. And somehow,
> I think you needed to compose the mail in LaTeX. But thanks
> for the detail. It's helpful, for me at least.

Hehe, its been a while since I did LaTeX, so I'd probably make a mess of
it :-) Glad my ramblings made sense.

> > Note that this property, where the weight of the server entity is
> > independent from its child entities is a desired feature. Without that
> > it would be impossible to control the relative weights of groups, and
> > that is the sole parameter of the WFQ model.
> > 
> > It is also why Linus so likes autogroups, each session competes equally
> > amongst one another.
> 
> I get it. But, the behavior changes for the process nice value are
> undocumented, and they should be documented. I understand
> what the behavior change was. But not yet when.

Well, its all undocumented -- I suppose you're about to go fix that :-)

But think of it differently, think of the group as a container, then the
behaviour inside the container is exactly as expected.

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Re: RFC: documentation of the autogroup feature [v2] Mike Galbraith <efault@gmx.de> - 2016-11-25 14:30 +0100
  Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-25 16:30 +0100
    Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-25 16:50 +0100
    Re: RFC: documentation of the autogroup feature [v2] Mike Galbraith <efault@gmx.de> - 2016-11-25 17:00 +0100
      Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-25 17:20 +0100
        Re: RFC: documentation of the autogroup feature [v2] Peter Zijlstra <peterz@infradead.org> - 2016-11-25 17:20 +0100
          Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-25 17:40 +0100
            Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-25 22:00 +0100
              Re: RFC: documentation of the autogroup feature [v2] Peter Zijlstra <peterz@infradead.org> - 2016-11-25 22:50 +0100
                Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-29 08:50 +0100
                Re: RFC: documentation of the autogroup feature [v2] Peter Zijlstra <peterz@infradead.org> - 2016-11-29 12:50 +0100
                Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-29 14:50 +0100
    Re: RFC: documentation of the autogroup feature [v2] Peter Zijlstra <peterz@infradead.org> - 2016-11-25 17:10 +0100
      Re: RFC: documentation of the autogroup feature [v2] Peter Zijlstra <peterz@infradead.org> - 2016-11-25 17:20 +0100
      Re: RFC: documentation of the autogroup feature [v2] "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-11-25 17:40 +0100
        Re: RFC: documentation of the autogroup feature [v2] Peter Zijlstra <peterz@infradead.org> - 2016-11-25 23:50 +0100

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