linux-kernel - Re: [PATCH] ASoC: dapm: Export new 'graph.dot' file in debugfs

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Message-Id: <3234D74E-0DFF-4BB5-87ED-6135BAC1F31D@cutebit.org>
Date:   Mon, 22 Aug 2022 14:38:09 +0200
From:   Martin Povišer <povik+lin@...ebit.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: dapm: Export new 'graph.dot' file in debugfs


> On 22. 8. 2022, at 14:27, Mark Brown <broonie@...nel.org> wrote:
> 
> On Mon, Aug 22, 2022 at 11:52:42AM +0200, Martin Povišer wrote:
> 
>> Provide a DOT summary of the DAPM graph in a newly added 'graph.dot'
>> file in debugfs, placed in the card's DAPM directory.
> 
> There was a tool floating about in the past (last copy I knew about was
> on Wolfson's git but they took that down) - can we not just continue to
> do that?

I don’t know the tool or where would I find it. I think it’s neat
simply having a ‘graph.dot’ at hand, especially since it requires
little code. (Although sure there’s the danger of it growing.)

Martin