‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Tuesday, March 3, 2020 5:58 PM, Ian Gregory <ian+obsdml@ians-net.co.uk> wrote:
> I've had similar issues with timekeeping within guests of VMM,
> although there are improvements in -current with the pvclock time
> source. Since the fix below I now see occasional instances of the
> clock stepping by a few whole seconds (typically less than 8s) but
> it's much less frequent and the magnitude is within the bounds of what
> ntpd can correct.
>
> See http://openbsd-archive.7691.n7.nabble.com/pvclock-stability-tp376946p377922.html
> for some backstory
>
> (aside: I see similar small occasional clock jumps of an integer
> number of seconds on OpenBSD-6.6 guests using tsc running on a VMware
> ESXi host)
Thank you Ian for your answer. Unfortunately I don't understand too much of that post you linked. But if I understand you correctly you are suggesting that I should change on my VM:
kern.timecounter.hardware=pvclock
and the drift or jumps should be better than with "tsc" ?
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