Hello Johannes, On 2023-10-10 12:14, Johannes Schauer Marin Rodrigues wrote: > Quoting Emanuele Rocca (2023-10-10 12:10:07) > > Setting CONFIG_HAVE_PREEMPT_DYNAMIC=y on arm64 is likely safe for us too, > > but > > we may want to run some benchmark first to see if there are any noticeable > > slowdowns. > > I have a couple of arm64 boards here that I can run benchmarks on. What would > you recommend to run to test the effect of CONFIG_HAVE_PREEMPT_DYNAMIC=y?
I'm not sure what the best benchmark would be, but maybe you could start with something generic like timing a kernel build with and without PREEMPT_DYNAMIC and throwing 'hey' at your favorite web server? https://github.com/rakyll/hey
