On Wed, Oct 04, 2023 at 08:32:39PM +0200, Michal Koutný wrote: > On Fri, Sep 29, 2023 at 11:00:50AM -0700, Roman Gushchin <roman.gushchin@xxxxxxxxx> wrote: > > This patchset improves the performance of accounted kernel memory allocations > > by ~30% as measured by a micro-benchmark [1]. The benchmark is very > > straightforward: 1M of 64 bytes-large kmalloc() allocations. > > Nice. Thanks! > Have you tried how these +34% compose with -34% reported way back [1] > when file lock accounting was added (because your benchmark and lock1 > sound quite similar)? No, I haven't. I'm kindly waiting for an automatic report here :) But if someone can run these tests manually, I'll appreciate it a lot. > (BTW Is that your motivation (too)?) Not really, it was on my todo list for a long time and I just got some spare cycles to figure out missing parts (mostly around targeted/remote charging). Also plan to try similar approach to speed up generic memcg charging. Thanks!
