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    SubjectRe: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling
    Con Kolivas <> writes:

    > Jack O'Quin wrote:
    >> Excellent. Judging by the DSP Load, your machine seems to run almost
    >> twice as fast as my 1.5GHz Athlon (surprising). You might want to try
    > Not really surprising; the 2Mb cache makes this a damn fine cpu, if
    > not necessarily across the board :)

    I wonder if most of the critical DSP cycle fits in the cache?

    Does it degrade significantly with a compile running in the background?

    > Full results and pretty pictures available here:


    How do you get rid of that checkerboard grey background in the graphs?

    Looking at the graphs, your system has a substantial 4 to 6 msec delay
    on approximately 40 second intervals, regardless of which scheduling
    class or how many clients you run. I'm guessing this is a recurring
    long code path in the kernel and not a scheduling artifact at all.
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