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    SubjectRe: [PATCH v4] sched: automated per session task groups
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    On Tue, 2010-11-30 at 19:39 -0800, Paul Turner wrote:
    > On 11/28/10 06:24, Mike Galbraith wrote:
    > > On Thu, 2010-11-25 at 09:00 -0700, Mike Galbraith wrote:
    > >
    > >> My vacation is (sniff) over, so I won't get a fully tested patch out the
    > >> door for review until I get back home.
    > >
    > > Either I forgot to pack my eyeballs, or laptop is just too dinky and
    > > annoying. Now back home on beloved box, this little bugger poked me
    > > dead in the eye.
    > >
    > > Something else is seriously wrong though. 36.1 with attached (plus
    > > sched, cgroup: Fixup broken cgroup movement) works a treat, whereas
    > > 37.git and tip with fixlet below both suck rocks. With a make -j40
    > > running, wakeup-latency is showing latencies of>100ms, amarok skips,
    > > mouse lurches badly.. generally horrid. Something went south.
    > >
    >
    > I'm looking at this.
    >
    > The share:share ratios looked good in static testing, but perhaps we
    > need a little more wake-up boost to improve interactivity.
    >
    > Should have something tomorrow.

    Right, the previous thing cheated quite enormous with wakeups simply
    because it was way too expensive to compute proper shares on wakeups.

    Maybe we should re-instate some of that cheating.



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