[Bug 237429] bhyve: Performance regression after 12 upgrade

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237429

amvandemore at gmail.com changed:

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--- Comment #12 from amvandemore at gmail.com ---
I don't think this is a reasonable bug report.  Greatly overcommitted resources
and configuration like loading ZFS when the system is already memory starved.  

I expect the output of something like 'top -aSwd 2' would provide much clarity
missing from this report.

If you do believe this be an actual bug in 12, can you provide the minimal test
case for reproduction.

Also can you expand on the CPU errors you are seeing in guest VM's?  I suspect
these are spinlock errors which occur because you are overcommited, not because
you are running 12-STABLE.

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