On Fri, 5 Jun 2015, Prarit Bhargava wrote: > > > On 06/05/2015 05:04 AM, Richard Cochran wrote: > > On Fri, Jun 05, 2015 at 09:29:13AM +0200, Peter Zijlstra wrote: > >> That leaves the question; for who is this exact second edge important? > > > > Distributed applications using the UTC time scale. > > > > Many control applications are done with a 1 millisecond period. > > Having the time wrong by a second for 10 or 100 loops is bad news.
Control applications with a 1ms period running on CLOCK_REALTIME are broken by definition. > > > > Anything starting @ UTC midnight (I think that would be Beijing, China?) ... > being one second off is not good. > > P. > > > Thanks, > > Richard > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/