On Fri, Jul 8, 2016 at 1:46 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > Could you please try to find some syscall workload that does many small user > copies and thus excercises this code path aggressively? Any stat()-heavy path will hit cp_new_stat() very heavily. Think the usual kind of "traverse the whole tree looking for something". "git diff" will do it, just checking that everything is up-to-date. That said, other things tend to dominate. Linus -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html