Re: Question on timekeeping subsystem

[Roman Zippel]

Hi,

On Wednesday 13. February 2008, Francis Moreau wrote:

> First I tried to find some documentation on the current implementation
> but haven't found any thing really usefull. Specially there's nothing about
> it in Documentation/ directory. Please correct me if I'm already wrong.
>
> Actually I read the implementation of update_wall_time() and I really fail
> to understand how it works. This is probably because I don't know
> what "xtime_nsec" and "error" fields in clocksource struct are for.
> These fields are not documented anywhere in the source code so it
> should be obvious but unfortunately not for me.

These mails should help to understand, what this code does:

http://lkml.org/lkml/2006/3/4/61
http://lkml.org/lkml/2006/4/3/205

bye, Roman
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