Heavy I/O blocks FreeBSD box for several seconds

Andriy Gapon avg at FreeBSD.org
Mon Jul 25 10:00:35 UTC 2011


on 12/07/2011 11:05 Andriy Gapon said the following:
> I think that the best thing you can further provide (as objective evidence for
> the problem at hand) is ktr(4) traces for at least KTR_SCHED mask.  Perhaps you
> even already have them from your previous sessions with Jeff.
> 
> P.S. This is not a promise to actually debug this issue based on the traces :-)

So do you have an opportunity to provide this kind of information?
Actually I would like KTR_SCHED|KTR_INTR|KTR_PROC|KTR_SYSC mask.
Also, sysctl kern.sched output would be useful too.
This is for the ULE case, of course.

-- 
Andriy Gapon


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