netdev - Re: [PATCH net] selftests/net: packetdrill: increase timing tolerance in debug mode

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Message-ID: <20240919135557.GD1571683@kernel.org>
Date: Thu, 19 Sep 2024 14:55:57 +0100
From: Simon Horman <horms@...nel.org>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
	edumazet@...gle.com, pabeni@...hat.com, sdf@...ichev.me,
	matttbe@...nel.org, linux-kselftest@...r.kernel.org,
	Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH net] selftests/net: packetdrill: increase timing
 tolerance in debug mode

On Thu, Sep 19, 2024 at 08:43:42AM -0400, Willem de Bruijn wrote:
> From: Willem de Bruijn <willemb@...gle.com>
> 
> Some packetdrill tests are flaky in debug mode. As discussed, increase
> tolerance.
> 
> We have been doing this for debug builds outside ksft too.
> 
> Previous setting was 10000. A manual 50 runs in virtme-ng showed two
> failures that needed 12000. To be on the safe side, Increase to 14000.
> 
> Link: https://lore.kernel.org/netdev/Zuhhe4-MQHd3EkfN@mini-arch/
> Fixes: 1e42f73fd3c2 ("selftests/net: packetdrill: import tcp/zerocopy")
> Reported-by: Stanislav Fomichev <sdf@...ichev.me>
> Signed-off-by: Willem de Bruijn <willemb@...gle.com>

Reviewed-by: Simon Horman <horms@...nel.org>