On Wed, Jun 29, 2016 at 11:48:08AM -0700, Hal Murray wrote: > > Can you quantify the better? I would have expected identical... > > Did you look at the graph? > http://users.megapathdsl.net/~hmurray/ntpsec/glypnod-pps-kernel.png > > I'm not sure why you would expect performance to be identical. Dave Mills > and crew went to a lot of effort to get code into various kernels, including > writing a RFC. I'd be very surprised if it wasn't a significant improvement. > > The question in my mind is have things changed enough since 1994 so that we > can do as well without that code in the kernel?
We tested booting with "nohz=off intel_idle.max_cstate=0" and it made a difference in our production clocks. I can try to get graphs if needed. Cheers, -Matt _______________________________________________ devel mailing list devel@ntpsec.org http://lists.ntpsec.org/mailman/listinfo/devel