[Cake] Re: Cake Digest, Vol 131, Issue 2

[Frantisek Borsik <frantisek.borsik@gmail.com>]

Not sure what do you mean by that...can you elaborate more, please?



All the best,

Frank

Frantisek (Frank) Borsik


*In loving memory of Dave Täht: *1965-2025

https://libreqos.io/2025/04/01/in-loving-memory-of-dave/


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On Thu, Aug 20, 2026 at 8:56 AM le berger des photons <thejoff@gmail.com>
wrote:

> what can I read so that your well thought out message can actually make
> some sense to me and I could react?
>
> On Thu, Aug 20, 2026 at 8:02 AM <cake-request@lists.bufferbloat.net>
> wrote:
>
> > Send Cake mailing list submissions to
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> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Cake digest..."
> >
> > Today's Topics:
> >
> >    1. Re: [PATCH net] net/sched: sch_cake: fix autorate reconfiguration
> > throttling
> >       (Toke Høiland-Jørgensen)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Wed, 19 Aug 2026 12:08:52 +0200
> > From: Toke Høiland-Jørgensen <toke@toke.dk>
> > Subject: [Cake] Re: [PATCH net] net/sched: sch_cake: fix autorate
> >         reconfiguration throttling
> > To: ooonea <ooonea@gmail.com>
> > Cc: Jamal Hadi Salim <jhs@mojatatu.com>, Jiri Pirko
> >         <jiri@resnulli.us>, "David S . Miller" <davem@davemloft.net>,
> Eric
> >         Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,
> > Paolo
> >         Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
> >         cake@lists.bufferbloat.net, netdev@vger.kernel.org,
> >         linux-kernel@vger.kernel.org
> > Message-ID: <87qzjufmmj.fsf@toke.dk>
> > Content-Type: text/plain; charset=utf-8
> >
> > ooonea <ooonea@gmail.com> writes:
> >
> > > CAKE's autorate-ingress path intends to limit shaper reconfiguration to
> > > once per 250 ms, but last_reconfig_time is only checked and never
> > updated.
> > > Since the field stays zero, every qualifying capacity-estimate window
> can
> > > call cake_reconfigure(), causing avoidable rate churn and scheduler
> work
> > > under bursty traffic.
> > >
> > > Store the current timestamp when autorate actually reconfigures the
> qdisc
> > > so the guard enforces the intended interval.
> > >
> > > Fixes: 7298de9cd725 ("sch_cake: Add ingress mode")
> > > Assisted-by: Codex:gpt-5.5
> > > Signed-off-by: ooonea <ooonea@gmail.com>
> >
> > Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
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> >
> > ------------------------------
> >
> > End of Cake Digest, Vol 131, Issue 2
> > ************************************
> >
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