[[SPAM]] Re: kqueue timer timeout period

[Paul Albrecht]

On Wed, 2012-07-11 at 04:42 -0500, Alexander Motin wrote:
> Hi.
> 
> Historically FreeBSD used completely different hardware time sources for 
> time keeping and time events. Not sure about 5%, but the last could be 
> less precise in some cases. FreeBSD 9.0, depending on hardware, can be 
> more precise because of using same time source in both cases. Also there 
> is ongoing GSoC project now by Davide Italiano to handle sub-HZ 
> resolution for time events. Present tests show reaching 20 microseconds 
> precision; and I think it can be improved further.
> 

I'm definitely not getting getting 20 millisecond timing with freebsd
kqueue which surprised me because I get it with linux
linuxfd_create/read using the same hardware.

-- 
Paul Albrecht