Re: Performance test for CUBIC in stable/14

From: Cheng Cui <cc_at_freebsd.org>
Date: Tue, 22 Oct 2024 14:59:28 UTC
On Mon, Oct 21, 2024 at 2:25 PM void <void@f-m.fm> wrote:

> On Mon, Oct 21, 2024 at 10:42:49AM -0400, Cheng Cui wrote:
> >Change the subject to `Performance test for CUBIC in stable/14`, was `Re:
> >Performance issues with vnet jails + epair + bridge`.
> >
> >I actually prepared two patches, one depends on the other:
> >
> >https://reviews.freebsd.org/D47218     << apply this patch firstly
> >https://reviews.freebsd.org/D47213     << apply this patch secondly
> >
> >Please let me know if you have any questions.
>
> Hi,
>
> What version (git -C /usr/src rev-list --count --first-parent HEAD) did you
> patch?
>
It was based on the latest stable/14 branch @commit 025535f94525.
Or your command returns this:
# git -C /usr/src rev-list --count --first-parent HEAD
269221


> I installed
> FreeBSD-14.1-STABLE-amd64-20241017-d36ba3989ca9-269125-disc1.iso and
> then updated the sources with git before checking out stable/14 which is
> n269252, applying the patches and building/installing kernel from there.
>
> What's the exact iperf command you're using please? I'm using
>
> # iperf --time 60 -c 192.168.1.232
>
> This is ok. I used iperf3.

but I'm not sure [see note a] if that one would give comparable tests to
> yours.
>
> Please re-organize your test result in before/after patch order. So that I
can understand
and compare them.

--
Best Regards,
Cheng Cui