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

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Message-ID: <87bksccv7x.wl-tiwai@suse.de>
Date:   Mon, 22 Aug 2022 14:34:58 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Mark Brown <broonie@...nel.org>
Cc:     Martin Povišer <povik+lin@...ebit.org>,
        alsa-devel@...a-project.org, Liam Girdwood <lgirdwood@...il.com>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: dapm: Export new 'graph.dot' file in debugfs

On Mon, 22 Aug 2022 14:27:41 +0200,
Mark Brown 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?

IMO such a conversion could be done in user-space gracefully.
Or is any info missing in debugfs as of now to achieve that?

If any, we may put such a tool in the standard repo (e.g. alsa-tools),
too.


Takashi