git: 0a99422970d7 - main - Move mips and arm to 1000Hz by default.

[Gary Jennejohn]

On Thu, 17 Jun 2021 09:20:46 +0000
Alexey Dokuchaev <danfe at freebsd.org> wrote:

> On Thu, Jun 17, 2021 at 02:01:05AM +0000, Warner Losh wrote:
> > commit 0a99422970d7fbdb1e17724339a8dc37082f3431
> > 
> >     Move mips and arm to 1000Hz by default.
> >     
> >     armv6 and armv7 systems already were 1000Hz. The other armv5 were a
> >     mix of 100 and 1000. This changes them to 1000. Should there be
> >     issues, we can add options HZ=100 to the systems that have bad
> >     performance at the drop of a hat.  
> 
> Do we have this 1000Hz vs. 100Hz thing documented somewhere for those
> who are thinking about tuning it?  There are various "optimization"
> howto's floating on the Internet here and there which recommend this
> change, so it would be nice to have some definitive documentation on
> the subject, e.g. in our Handbook or Wiki.
> 

It's discussed in /sys/conf/NOTES, but most users probably wouldn't
think about looking there.  An entry in the Handbook or Wiki could
be useful.

-- 
Gary Jennejohn