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    SubjectRe: [PATCH] Minor scheduler fix to get rid of skipping in xmms


    Con Kolivas wrote:

    >On Tue, 9 Sep 2003 12:16, Con Kolivas wrote:
    >
    >>On Tue, 9 Sep 2003 12:10, Con Kolivas wrote:
    >>
    >>>On Tue, 9 Sep 2003 08:56, Andrew Morton wrote:
    >>>
    >>>>Steven Pratt <slpratt@austin.ibm.com> wrote:
    >>>>
    >>>>>For specjbb things are looking good from a throughput point of view.
    >>>>>...
    >>>>>Volanomark, on the other hand is still off by quite a bit from test4
    >>>>>stock
    >>>>>
    >>>>hmm, thanks.
    >>>>
    >>>>I'm not sure that volanomark is very representative of any real-world
    >>>>thing.
    >>>>
    >>>>
    >>>>>...
    >>>>>If thre is any particular patch/tree combination you would like me to
    >>>>>try out, please let me know and I will see if I can get the results
    >>>>>for you.
    >>>>>
    >>>>Could we please see test5 versus test5 plus Andrew's patch?
    >>>>
    >>>>ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-tes
    >>>>t4 /2 .6.0-test4-mm6/broken-out/sched-CAN_MIGRATE_TASK-fix.patch
    >>>>
    >>>>and if you have time, also test5 plus sched-CAN_MIGRATE_TASK-fix.patch
    >>>>plus
    >>>>
    >>>>ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-tes
    >>>>t4 /2
    >>>>.6.0-test4-mm6/broken-out/sched-balance-fix-2.6.0-test3-mm3-A0.patch
    >>>>
    >>>Interestingly enough this drops the volano results the same proportion as
    >>>Ingo's A3 patch. 11000 ->10400 throughput with same idle, but more
    >>>schedule().
    >>>
    >>>I've posted some results for test5 volano and test5-A0 here:
    >>>http://kernel.kolivas.org/2.5/volano
    >>>
    >>>More testing underway.
    >>>
    >>Correction sorry: These changes were due to
    >>sched-CAN_MIGRATE_TASK-fix.patch and the test results say
    >>volano-results-2.6.0-test5-A0-*
    >>
    >
    >Further testing shows the patch: sched-balance-fix-2.6.0-test3-mm3-A0.patch to
    >have no effect on volano results by itself.
    >

    Hi Con,
    Any chance you could give this
    http://www.kerneltrap.org/~npiggin/v14/sched-rollup-nopolicy-v14.gz
    a try? It should apply against test5.


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