hi, Shakeel, On Fri, May 17, 2024 at 11:28:10PM -0700, Shakeel Butt wrote: > On Fri, May 17, 2024 at 01:56:30PM +0800, kernel test robot wrote: > > > > > > Hello, > > > > kernel test robot noticed a -11.9% regression of will-it-scale.per_process_ops on: > > > > > > commit: 70a64b7919cbd6c12306051ff2825839a9d65605 ("memcg: dynamically allocate lruvec_stats") > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > > > Thanks for the report. Can you please run the same benchmark but with > the full series (of 8 patches) or at least include the ff48c71c26aa > ("memcg: reduce memory for the lruvec and memcg stats"). while this bisect, ff48c71c26aa has been checked. it has silimar data as 70a64b7919 (a little worse actually) 59142d87ab03b8ff 70a64b7919cbd6c12306051ff28 ff48c71c26aaefb090c108d8803 ---------------- --------------------------- --------------------------- %stddev %change %stddev %change %stddev \ | \ | \ 91713 -11.9% 80789 -13.2% 79612 will-it-scale.per_process_ops ok, we will run tests on tip of the series which should be below if I understand it correctly. * a94032b35e5f9 memcg: use proper type for mod_memcg_state > > thanks, > Shakeel >