avoiding periodic(8) during long poudriere runs

From: void <void_at_f-m.fm>
Date: Fri, 03 Feb 2023 13:41:15 UTC
Hello stable@

How does one avoid periodic(8) during long poudriere runs?
I find that it'll cause the system to thrash if periodic
starts when poudriere is running. is there some established 
way of telling it not to run when, for example, 5 min load 
is over 2.00 ? I've seen ubuntu do similar, but am unsure of 
the exact mechanism.

tia,
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