On Fri, Jul 8, 2016 at 1:46 AM, Ingo Molnar <mi...@kernel.org> 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
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