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Date: Sun, 10 Mar 2013 14:44:13 -0700
From: Julian Elischer <julian@freebsd.org>
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To: Davide Italiano <davide@freebsd.org>
Subject: Re: svn commit: r247777 - in head/sys: conf kern netinet sys
References: <201303041109.r24B9vbt022388@svn.freebsd.org>
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On 3/4/13 3:09 AM, Davide Italiano wrote:
> Author: davide
> Date: Mon Mar  4 11:09:56 2013
> New Revision: 247777
> URL: http://svnweb.freebsd.org/changeset/base/247777
>
> Log:
>    - Make callout(9) tickless, relying on eventtimers(4) as backend for
>    precise time event generation. This greatly improves granularity of
>    callouts which are not anymore constrained to wait next tick to be
>    scheduled.

[etc.]

Will there be (or is there already)  a paper/document 
somewhere/sometime outlining how this works?
(with pictures)   :-)


Julian