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    SubjectRe: [RFC/RFT PATCH v3] sched: automated per tty task groups
    On Sat, 20 Nov 2010, Mike Galbraith wrote:

    > On Sat, 2010-11-20 at 20:33 +0100, Jesper Juhl wrote:
    > > On Mon, 15 Nov 2010, Linus Torvalds wrote:
    > >
    > > > On Mon, Nov 15, 2010 at 2:41 PM, <Valdis.Kletnieks@vt.edu> wrote:
    > > > >
    > > > > So the set of all tasks that never call proc_set_tty() ends up in the same one
    > > > > big default group, correct?
    > > >
    > > > Well, yes and no.
    > > >
    > > > Yes, that's what the code currently does. But I did ask Mike (and he
    > > > delivered) to try to make the code look and work in a way where the
    > > > whole "tty thing" is just one of the heuristics.
    > > >
    > > > It's not clear exactly what the non-tty heuristics would be, but I do
    > > > have a few suggestions:
    > > >
    > > > - I think it might be a good idea to associate a task group with the
    > > > current "cred" of a process, and fall back on it in the absense of a
    > > > tty-provided one.
    > > >
    > > Or how about (just brainstorming here) a group per 'process group'?
    >
    > I switched to per session, which on my system at least looks like more
    > than enough granularity.
    >
    Sounds sane and it's closer to the original 'per tty' which was so
    successful.

    --
    Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
    Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
    Plain text mails only, please.



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