netdev - Re: [PATCH net-next 6/6] selftests: drv-net-hw: add test for memory allocation failures with page pool

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Message-ID: <3e332c1d-b767-48f2-8307-0d037921773f@lunn.ch>
Date: Mon, 29 Apr 2024 17:12:29 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Jakub Kicinski <kuba@...nel.org>
Cc: davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
	pabeni@...hat.com, linux-kselftest@...r.kernel.org,
	willemdebruijn.kernel@...il.com
Subject: Re: [PATCH net-next 6/6] selftests: drv-net-hw: add test for memory
 allocation failures with page pool

On Fri, Apr 26, 2024 at 04:23:59PM -0700, Jakub Kicinski wrote:
> Bugs in memory allocation failure paths are quite common.
> Add a test exercising those paths based on qstat and page pool
> failure hook.
> 
> Running on bnxt:
> 
>   # ./drivers/net/hw/pp_alloc_fail.py
>   KTAP version 1
>   1..1
>   # ethtool -G change retval: success
>   ok 1 pp_alloc_fail.test_pp_alloc
>   # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0

If i'm reading the traffic generator correctly, this test runs for 24
hours. Do we want some sort of warning here about the test duration?
Some sort of alive indication very minute?

     Andrew