Re: [Xen-devel] Re: Fix for get_s_time()

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 24/4/08 17:04, "Dave Winchell" <dwinchell@xxxxxxxxxxxxxxx> wrote:

> yes, this is the issue. What you suggest should be fine and I am trying
> it now.
> With the locking version (and a fix to a bug I introduced) I got .0012%
> error
> on an overnight run with hpet layered on get_s_time_mono(), which is the
> max(prev, cur) layer on get_s_time we discussed.

12 parts per million is pretty good. Is that cumulative deviation from 'wall
time' over ~12 hours? That could easily be explained by the fact that Xen
system time is not sync'ed with ntp.

 -- Keir



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