netdev - Re: knob to disable locally-originating qdisc optimisation?

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Message-ID: <3a4b33a1-5dc5-ac66-c5ee-679ff560fd8@tarent.de>
Date: Wed, 17 May 2023 01:47:10 +0200 (CEST)
From: Thorsten Glaser <t.glaser@...ent.de>
To: Stephen Hemminger <stephen@...workplumber.org>
cc: Toke Høiland-Jørgensen <toke@...e.dk>, 
    Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org, 
    Haye.Haehne@...ekom.de
Subject: Re: knob to disable locally-originating qdisc optimisation?

On Tue, 16 May 2023, Stephen Hemminger wrote:

>Sounds like it could be extension or part of existing netem.

No, it does so much more… very extensive reporting to userspace
using debugfs/relayfs, for example, and very specific extra
behaviour. We did look at netem, but it caused trouble.

bye,
//mirabilos
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