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    SubjectRe: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling
    Con Kolivas wrote:
    > Con Kolivas wrote:
    >
    >> Jack O'Quin wrote:
    >>
    >>> Con Kolivas <kernel@kolivas.org> writes:
    >>>
    >>>
    >>>> Here's fresh results on more stressed hardware (on ext3) with
    >>>> 2.6.11-rc1-mm2 (which by the way has SCHED_ISO v2 included). The load
    >>>> hovering at 50% spikes at times close to 70 which tests the behaviour
    >>>> under iso throttling.
    >>>
    >>>
    >>>
    >>>
    >>> What version of JACK are you running (`jackd --version')?
    >>>
    >>> You're still getting zero Delay Max. That is an important measure.
    >>
    >> Ok updated jackd

    So let's try again, sorry about the noise:

    ==> jack_test4-2.6.11-rc1-mm2-fifo.log <==
    Number of runs . . . . . . . :( 1)
    *********************************************
    Timeout Count . . . . . . . . :( 0)
    XRUN Count . . . . . . . . . : 3
    Delay Count (>spare time) . . : 0
    Delay Count (>1000 usecs) . . : 0
    Delay Maximum . . . . . . . . : 20161 usecs
    Cycle Maximum . . . . . . . . : 1072 usecs
    Average DSP Load. . . . . . . : 47.2 %
    Average CPU System Load . . . : 5.1 %
    Average CPU User Load . . . . : 18.0 %
    Average CPU Nice Load . . . . : 0.1 %
    Average CPU I/O Wait Load . . : 0.3 %
    Average CPU IRQ Load . . . . : 0.0 %
    Average CPU Soft-IRQ Load . . : 0.0 %
    Average Interrupt Rate . . . : 1701.6 /sec
    Average Context-Switch Rate . : 19343.7 /sec
    *********************************************
    Delta Maximum . . . . . . . . : 0.00000
    *********************************************

    ==> jack_test4-2.6.11-rc1-mm2-iso.log <==
    Number of runs . . . . . . . :( 1)
    *********************************************
    Timeout Count . . . . . . . . :( 0)
    XRUN Count . . . . . . . . . : 6
    Delay Count (>spare time) . . : 0
    Delay Count (>1000 usecs) . . : 0
    Delay Maximum . . . . . . . . : 4604 usecs
    Cycle Maximum . . . . . . . . : 1190 usecs
    Average DSP Load. . . . . . . : 54.5 %
    Average CPU System Load . . . : 11.6 %
    Average CPU User Load . . . . : 18.4 %
    Average CPU Nice Load . . . . : 0.1 %
    Average CPU I/O Wait Load . . : 0.0 %
    Average CPU IRQ Load . . . . : 0.0 %
    Average CPU Soft-IRQ Load . . : 0.0 %
    Average Interrupt Rate . . . : 1697.9 /sec
    Average Context-Switch Rate . : 19046.2 /sec
    *********************************************
    Delta Maximum . . . . . . . . : 0.00000
    *********************************************

    Pretty pictures:
    http://ck.kolivas.org/patches/SCHED_ISO/iso2-benchmarks/

    Note these are on a full desktop environment, although it is pretty much
    idle apart from checking email. No changes between fifo and iso runs.

    Cheers,
    Con
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