Re: [RFC PATCH 00/30] Code tagging framework and applications

Kent Overstreet
2022-09-02T20:06:27Z

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.