On 9/2/22 2:05 PM, Kent Overstreet wrote: > On Fri, Sep 02, 2022 at 01:53:53PM -0600, Jens Axboe wrote: >> I've complained about memcg accounting before, the slowness of it is why >> io_uring works around it by caching. Anything we account we try NOT do >> in the fast path because of it, the slowdown is considerable. > > I'm with you on that, it definitely raises an eyebrow. > >> You care about efficiency now? I thought that was relegated to >> irrelevant 10M IOPS cases. > > I always did, it's just not the only thing I care about. It's not the only thing anyone cares about. -- Jens Axboe