On 27 October 2015 at 18:01, Peter Crosthwaite <crosthwaitepe...@gmail.com> wrote: > On Tue, Oct 27, 2015 at 7:19 AM, Dmitry Osipenko <dig...@gmail.com> wrote: >> From my observation, Linux kernel is booting noticeably faster in the >> emulated guest and host machine CPU usage is lower if we "artificially" >> slowdown the MPtimer. You really shouldn't use it for the RTC, so doing that >> trick shouldn't affect guest behavior.
> So I do wonder whether with your ptimer conversion this will be obsoleted, > as the rate limiter there may do the work for us. We still need to pick a nominal PERIPHCLK somehow, and that's still a pretty arbitrary choice I think (and it doesn't depend on the CPU speed itself: PERIPHCLK's period can be any multiple of the main CPU CLK (minimum 2)). thanks -- PMM
