On Tue, Jul 02, 2013 at 07:10:52AM +0200, Mike Galbraith wrote:
> On Mon, 2013-07-01 at 12:16 -0700, Paul E. McKenney wrote:
> > On Mon, Jul 01, 2013 at 11:34:13AM -0700, Josh Triplett wrote:
>
> > > > > This also naturally raises the question "How can we let userspace get
> > > > > accurate time without forcing a timer tick?".
> > > >
> > > > We don't. ;-)
> > >
> > > We don't currently, hence my question about how we can. :)
> >
> > Per-CPU atomic clocks?
>
> Great idea, who needs timekeeping code.
>
> http://www.euronews.com/2013/04/02/swiss-sets-sights-on-miniscule-atomic-clock/
"in theory you’ll only need to set it once every 3,000 years, providing
of course your battery lasts that long" ;-) ;-) ;-)
Thanx, Paul
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