On 12/3/20 10:47 AM, Linus Torvalds wrote: > On Wed, Dec 2, 2020 at 10:31 PM kernel test robot <oliver.sang@xxxxxxxxx> wrote: >> >> FYI, we noticed a -4.8% regression of will-it-scale.per_process_ops due to commit: > > Ok, I guess that's bigger than expected, but the profile data does > show how bad the indirect branches are. It's also in the same range (3-6%) as the microbenchmarks I ran and posted. So at least there's correlation there too. -- Jens Axboe
