netdev - Re: [PATCH RESEND net-next v14 0/5] ethtool: provide the dim profile fine-tuning channel

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Date: Fri, 21 Jun 2024 11:44:38 +0800
From: Heng Qi <hengqi@...ux.alibaba.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org,
 virtualization@...ts.linux.dev,
 "David S . Miller" <davem@...emloft.net>,
 Paolo Abeni <pabeni@...hat.com>,
 Eric Dumazet <edumazet@...gle.com>,
 Jason Wang <jasowang@...hat.com>,
 "Michael S . Tsirkin" <mst@...hat.com>,
 Brett Creeley <bcreeley@....com>,
 Ratheesh Kannoth <rkannoth@...vell.com>,
 Alexander Lobakin <aleksander.lobakin@...el.com>,
 Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
 Tal Gilboa <talgi@...dia.com>,
 Jonathan Corbet <corbet@....net>,
 linux-doc@...r.kernel.org,
 Maxime Chevallier <maxime.chevallier@...tlin.com>,
 Jiri Pirko <jiri@...nulli.us>,
 Paul Greenwalt <paul.greenwalt@...el.com>,
 Ahmed Zaki <ahmed.zaki@...el.com>,
 Vladimir Oltean <vladimir.oltean@....com>,
 Kory Maincent <kory.maincent@...tlin.com>,
 Andrew Lunn <andrew@...n.ch>,
 justinstitt@...gle.com,
 donald.hunter@...il.com,
 Eugenio Pérez <eperezma@...hat.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Dragos Tatulea <dtatulea@...dia.com>,
 Rahul Rameshbabu <rrameshbabu@...dia.com>,
 Heiner Kallweit <hkallweit1@...il.com>,
 Przemek Kitszel <przemyslaw.kitszel@...el.com>,
 awel Dembicki <paweldembicki@...il.com>
Subject: Re: [PATCH RESEND net-next v14 0/5] ethtool: provide the dim profile fine-tuning channel

On Thu, 20 Jun 2024 20:40:25 -0700, Jakub Kicinski <kuba@...nel.org> wrote:
> On Tue, 18 Jun 2024 10:56:39 +0800 Heng Qi wrote:
> > The NetDIM library provides excellent acceleration for many modern
> > network cards. However, the default profiles of DIM limits its maximum
> > capabilities for different NICs, so providing a way which the NIC can
> > be custom configured is necessary.
> 
> Could you give an example in the cover letter of a type of workload and
> how much a new set of DIM values helped?

Sure.