linux-kernel - Re: [PATCH] docs: Fix the docs build with Sphinx 6.0

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Message-ID: <bdd04f2e-64a4-e3ef-eb4c-3681c6f52c2f@gmail.com>
Date:   Thu, 12 Jan 2023 08:13:25 +0900
From:   Akira Yokosawa <akiyks@...il.com>
To:     Martin Liška <mliska@...e.cz>
Cc:     Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: [PATCH] docs: Fix the docs build with Sphinx 6.0

On Tue, 10 Jan 2023 00:17:11 +0900, Akira Yokosawa wrote:
> On Mon, 9 Jan 2023 15:14:46 +0100, Martin Liška wrote:
>> Hi.
>>
>> I can confirm the regression, I bisected Sphinx revision that caused that
>> and filled an upstream issues:
>> https://github.com/sphinx-doc/sphinx/issues/11116
> 
> Thank you Martin for looking into this!

Thanks to Martin's inputs on the github issue, Sphinx 6.1.3 has released
and the issue is resolved for parallel builds.

However, for non-parallel builds, the memory hog still remains.
Again, this is a table comparing 5.3.0, 6.1.2, and 6.1.3.

 ======  ===================================  ===============================
                     elapsed time                       maxresident
         -----------------------------------  -------------------------------
 Sphinx     -j1     -j2      -j4      -j6       -j1     -j2     -j4     -j6
 ======  ======== ======== ======== ========  ======= ======= ======= =======
  6.1.3  15:03.83 11:31.99  9:35.15  8:49.01  2949056 1059516  978232  967400
  6.1.2  15:11.74 18:06.89 16:39.93      OOM  2961524 5548344 5255372      --
  5.3.0  14:13.04 10:16.81  8:22.37  8:09.74   711532  937660  846016  800340
 ======  ===================================  ===============================

    Note:
      - The -j1 run needs an explicit option given to sphinx-build:
        make SPHINXOPTS="-q -j1" htmldocs

I naively assumed that the memory hog would be resolved all together,
but that's not the case.

Martin, could you report the remaining issue to upstream Sphinx?

        Thanks, Akira