linux-kernel - Re: [PATCH 2/3] selftests/zram01.sh: Fix compression ratio calculation

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Message-ID: <f80750cd-d2e8-cc57-37b6-cb4f770c61e2@linuxfoundation.org>
Date:   Tue, 25 Jan 2022 13:37:17 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Yang Xu <xuyang2018.jy@...itsu.com>,
        linux-kselftest@...r.kernel.org, shuah@...nel.org
Cc:     linux-kernel@...r.kernel.org, naresh.kamboju@...aro.org,
        aleksei.kodanev@...l-sw.com, Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 2/3] selftests/zram01.sh: Fix compression ratio
 calculation

On 12/15/21 2:56 AM, Yang Xu wrote:
> zram01 uses `free -m` to measure zram memory usage. The results are nonsense
> because they are polluted by all running processes on the system.
> 

Are the results inaccurate or does /sys/block/zram<id>/mm_stat is a quick
way to get the information?

In any case, this patch and all 3 patches in this series have:

WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line)

Please run checkpatch.pl and clean these up.

thanks,
-- Shuah