Re: [Xen-devel] [PATCH 0/2] Improve hpet accuracy

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 10/6/08 13:34, "Dave Winchell" <dwinchell@xxxxxxxxxxxxxxx> wrote:

> > Yes, the rate ends up being about half the normal rate because
> > I toss the interrupt if it doesn't meet the requirement. If, in testing, we find
> > a guest that has a problem with half the normal rate, we can fine tune
> > the policy. For example, instead of discarding set a small timer.
>
> A better solution is to set the new period timer at end-of-interrupt time
> (in the callback) instead of delivery time (timer expiration time).
> This way the rate will be very close to what the guest expects.
> I think I'll make this change.

Yes, that’s what I thought you’d done. It sounds nicer to me.

 -- Keir



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