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

Kent Overstreet
2022-09-02T00:18:04Z

On Thu, Sep 01, 2022 at 03:53:57PM -0700, Roman Gushchin wrote:
> I'd suggest to run something like iperf on a fast hardware. And maybe some
> io_uring stuff too. These are two places which were historically most sensitive
> to the (kernel) memory accounting speed.

I'm getting wildly inconsistent results with iperf.

io_uring-echo-server and rust_echo_bench gets me:
Benchmarking: 127.0.0.1:12345
50 clients, running 512 bytes, 60 sec.

Without alloc tagging: 120547 request/sec
With: 116748 request/sec

https://github.com/frevib/io_uring-echo-server
https://github.com/haraldh/rust_echo_bench

How's that look to you? Close enough? :)