Messages in this thread | | | Date | Mon, 16 Aug 2004 05:28:06 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] voluntary-preempt-2.6.8.1-P0 |
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* Lee Revell <rlrevell@joe-job.com> wrote:
> I believe the constant-time behavior that I reported was an artifact > of ALSA xrun debugging. Now it seems like the latency produced *does* > correspond directly to the amount of memory being mlockall'ed. If > ./mlockall-test 1500 triggers an xrun at all it's ~0.2ms. 3000 > triggers a ~1ms xrun, and 10000 a ~3 ms xrun.
could you try more extreme values - e.g. does 100 MB cause a 30 msec xrun?
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