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    SubjectRe: [patch] CFS scheduler, -v13
    Date
    On Wednesday 23 May 2007 03:36:27 Bill Davidsen wrote:
    > Anant Nitya wrote:
    > > On Thursday 17 May 2007 23:15:33 Ingo Molnar wrote:
    > >> i'm pleased to announce release -v13 of the CFS scheduler patchset.
    > >>
    > >> The CFS patch against v2.6.22-rc1, v2.6.21.1 or v2.6.20.10 can be
    > >> downloaded from the usual place:
    > >>
    > >> http://people.redhat.com/mingo/cfs-scheduler/
    > >>
    > >> -v13 is a fixes-only release. It fixes a smaller accounting bug, so if
    > >> you saw small lags during desktop use under certain workloads then
    > >> please re-check that workload under -v13 too. It also tweaks SMP
    > >> load-balancing a bit. (Note: the load-balancing artifact reported by
    > >> Peter Williams is not a CFS-specific problem and he reproduced it in
    > >> v2.6.21 too. Nevertheless -v13 should be less prone to such artifacts.)
    > >>
    > >> I know about no open CFS regression at the moment, so please re-test
    > >> -v13 and if you still see any problem please re-report it. Thanks!
    > >>
    > >> Changes since -v12:
    > >>
    > >> - small tweak: made the "fork flow" of reniced tasks zero-sum
    > >>
    > >> - debugging update: /proc/<PID>/sched is now seqfile based and echoing
    > >> 0 to it clears the maximum-tracking counters.
    > >>
    > >> - more debugging counters
    > >>
    > >> - small rounding fix to make the statistical average of rounding errors
    > >> zero
    > >>
    > >> - scale both the runtime limit and the granularity on SMP too, and make
    > >> it dependent on HZ
    > >>
    > >> - misc cleanups
    > >>
    > >> As usual, any sort of feedback, bugreport, fix and suggestion is more
    > >> than welcome,
    > >>
    > >> Ingo
    > >> -
    > >
    > > Hi
    > > Been testing this version of CFS from last an hour or so and still facing
    > > same lag problems while browsing sites with heavy JS and or flash usage.
    > > Mouse movement is pathetic and audio starts to skip. I haven't face this
    > > behavior with CFS till v11.
    >
    > 'm not seeing this, do have a site or two as examples?

    Please disregard the above post, lag problem I am experiencing got introduced
    in 2.6.22-rcX and is network QoS specific and its not related to CFS.

    Regards
    Ananitya


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