Messages in this thread | | | Subject | Re: [PATCH RFC nohz_full v2 2/7] nohz_full: Add rcu_dyntick data for scalable detection of all-idle state | From | Mike Galbraith <> | Date | Tue, 02 Jul 2013 07:10:52 +0200 |
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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/
-Mike
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