On Tue, Oct 24, 2006 at 01:48:27PM +1000, Benjamin Herrenschmidt wrote:
> On Tue, 2006-10-24 at 04:27 +0100, Matthew Garrett wrote:
> > Reading the battery status has the potential to call an SMI that might
> > take an arbitrary period of time to return, and we found that having
> > querying at around the 1 second mark tended to result in noticable
> > system performace degredation.
> I think it's up to the backend to poll more slowly and cache the results
> on those machines then.
The kernel backend or the userspace backend? We need to decide on
terminology :) There's no good programmatic way of determining how long
a query will take other than doing it and looking at the result. I guess
we could do that at boot time.
--
Matthew Garrett | [email protected]
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