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    SubjectRe: [patch] voluntary-preempt-2.6.8.1-P0

    * Ingo Molnar <mingo@elte.hu> wrote:

    > could this be some DMA starvation effect? Or is this xrun calculated
    > from arrival of the audio interrupt (hence DMA completion) to the
    > actual running of jackd?

    would there be a way to find out what portion of the xrun is caused by
    latencies of the audio card (DMA, etc.) vs. latency from the point jackd
    is woken up by the sound-driver to the point jackd preempts the mlock
    process and runs?

    Ingo
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