Re: freebsd 13 ryzen micro stutter

From: Andriy Gapon <avg_at_FreeBSD.org>
Date: Mon, 5 Apr 2021 16:03:12 +0300
On 27/03/2021 12:54, Santiago Martinez wrote:
> Hi, i have the same output as _at_Nils B. If i run with steal =2 and dtrace the
> micro stutter doesn't happen but as soon as i stop the dtrace script it the
> stutters come back again.

It seems that DTrace creates some extra CPU load that masks the problem.
So, I guess that DTrace produced traces won't have many clues, if any at all.
I wonder if KTR tracing would be better in this respect.

-- 
Andriy Gapon
Received on Mon Apr 05 2021 - 11:03:16 UTC

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