On Sun, 2004-08-15 at 22:58, Ingo Molnar wrote:
> * Ingo Molnar <mingo@elte.hu> wrote:

> i've attached mlock-test2.cc that should test this theory. The code
> breaks up the mlock-ed region into 8 equal pieces and does mlock() on
> them separately. It's basically a lock-break done in user-space. Does
> this change the nature of xruns?
> 

This does change the xruns.  I have to `mlock-test2 8000' to produce any
xrun at all, and that only produces a 2-300 usec xrun.  With
mlockall-test the threshold to produce an xrun was ~1500.

Lee

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