netdev - Re: [PATCH net] selftests: net: cope with slow env in gro.sh test

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Message-ID: <65c2544fc9a91_b15142944e@willemb.c.googlers.com.notmuch>
Date: Tue, 06 Feb 2024 10:46:23 -0500
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Paolo Abeni <pabeni@...hat.com>, 
 netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, 
 Shuah Khan <shuah@...nel.org>, 
 Willem de Bruijn <willemb@...gle.com>, 
 Coco Li <lixiaoyan@...gle.com>, 
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net] selftests: net: cope with slow env in gro.sh test

Paolo Abeni wrote:
> The gro self-tests sends the packets to be aggregated with
> multiple write operations.
> 
> When running is slow environment, it's hard to guarantee that
> the GRO engine will wait for the last packet in an intended
> train.
> 
> The above causes almost deterministic failures in our CI for
> the 'large' test-case.
> 
> Address the issue explicitly ignoring failures for such case
> in slow environments (KSFT_MACHINE_SLOW==true).
> 
> Fixes: 7d1575014a63 ("selftests/net: GRO coalesce test")
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>