netdev - Re: [PATCH net-next] selftests/net: calibrate fq_band

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Message-ID: <20240130145521.GL351311@kernel.org>
Date: Tue, 30 Jan 2024 15:55:21 +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,
	linux-kselftest@...r.kernel.org,
	Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH net-next] selftests/net: calibrate fq_band_pktlimit

On Fri, Jan 26, 2024 at 09:33:03PM -0500, Willem de Bruijn wrote:
> From: Willem de Bruijn <willemb@...gle.com>
> 
> This test validates per-band packet limits in FQ. Packets are dropped
> rather than enqueued if the limit for their band is reached.
> 
> This test is timing sensitive. It queues packets in FQ with a future
> delivery time to fill the qdisc.
> 
> The test failed in a virtual environment (vng). Increase the delays
> to make it more tolerant to environments with timing variance.
> 
> Signed-off-by: Willem de Bruijn <willemb@...gle.com>

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