[SOLVED] Re: now on Ryzen performance

Erich Dollansky freebsd.ed.lists at sumeritec.com
Wed Jan 2 12:29:06 UTC 2019


On Thu, 27 Dec 2018 09:18:20 +0100
Andrea Venturoli <ml at netfence.it> wrote:

> On 12/21/18 5:40 PM, Andrea Venturoli wrote:
> > Having powerd running or not does not make any difference.  
> After further investigation/testing, powerd is the culprit.
> Earlier I tried stopping it and I confirm it makes no difference; now
> I realize just starting it bring the CPU down by a factor of 50%
> until rebooting.
> After disabling it in /etc/rc.conf my machine is behaving properly.
> I'll try enabling it again when I'll upgrade to 12 (although that
> might happen not so soon).

disabling powerd on FreeBSD 12.0 cuts 2h away from a build world. The
downside is that the CPU runs some 15K warmer.

I know of the limitations powerd has, but these are real huge
limitations compared to what powerd saves.


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