On Thu, 6 Oct 2022 18:19:12 +0200 Florent Revest <revest@xxxxxxxxxxxx> wrote: > Sure, we can give this a try, I'll work on a macro that generates the > 7 callbacks and we can check how much that helps. My belief right now > is that ftrace's iteration over all ops on arm64 is where we lose most > time but now that we have numbers it's pretty easy to check hypothesis > :) Ah, I forgot that's what Mark's code is doing. But yes, that needs to be fixed first. I forget that arm64 doesn't have the dedicated trampolines yet. So, let's hold off until that is complete. -- Steve
