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Message-ID: <2a7ed528-ed5d-d995-f7fe-12e3319aba27@redhat.com>
Date: Mon, 24 Feb 2025 18:28:43 +0100 (CET)
From: Pablo Martin Medrano <pablmart@...hat.com>
To: Jakub Kicinski <kuba@...nel.org>
cc: Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, 
    "David S . Miller" <davem@...emloft.net>, 
    Eric Dumazet <edumazet@...gle.com>, Simon Horman <horms@...nel.org>, 
    Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH net] selftests/net: big_tcp: longer netperf session on
 slow machines

On Fri, 21 Feb 2025, Jakub Kicinski wrote:

> Hm. Wouldn't we ideally specify the flow length in bytes? Instead of
> giving all machines 1 sec, ask to transfer ${TDB number of bytes} and
> on fast machines it will complete in 1 sec, on slower machines take
> longer but have a good chance of still growing the windows?
>

Thank you! I will try this in a 'fast' system to tune the number of
packages equivalent to a second and with that again in the slow system
under test. Maybe with this there is no need to change anything but the
-l parameter to netperf.


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