linux-kernel - Re: [PATCH 24/24] selftests/resctrl: Ignore failures from L2 CAT test with <= 2 bits

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Date:   Fri, 27 Oct 2023 14:48:11 +0200
From:   Maciej Wieczór-Retman 
        <maciej.wieczor-retman@...el.com>
To:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
CC:     <linux-kselftest@...r.kernel.org>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Shuah Khan <shuah@...nel.org>,
        Shaopeng Tan <tan.shaopeng@...fujitsu.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 24/24] selftests/resctrl: Ignore failures from L2 CAT
 test with <= 2 bits

On 2023-10-24 at 12:26:34 +0300, Ilpo Järvinen wrote:
>L2 CAT test with low number of bits tends to occasionally fail because
>of what seems random variation. The margin is quite small to begin with
>for <= 2 bits in CBM. At times, the result can even become negative.
>While it would be possible to allow negative values for those cases, it
>would be more confusing to user.

"to user" -> "to the user"?

>
>Ignore failures from the tests where <= 2 were used to avoid false
>negative results.
>
>Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

-- 
Kind regards
Maciej Wieczór-Retman