GNU bug report logs - #45898
27.1; wedged in redisplay again

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: psainty <at> orcon.net.nz, larsi <at> gnus.org, Emacs-hacker2018 <at> jovi.net, monnier <at> iro.umontreal.ca, 45898 <at> debbugs.gnu.org
Subject: bug#45898: 27.1; wedged in redisplay again
Date: Fri, 01 Jul 2022 14:12:56 +0300

> From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
> Date: Fri, 1 Jul 2022 13:04:28 +0200
> Cc: monnier <at> iro.umontreal.ca,
>  larsi <at> gnus.org,
>  psainty <at> orcon.net.nz,
>  Emacs-hacker2018 <at> jovi.net,
>  45898 <at> debbugs.gnu.org
> 
> > What kind of information is this capable to display?
> > 
> > If it's useful, we could have this script in the repository somewhere.
> 
> Good question, I'm exploring this right now.
> 
> The only way one can look at the result of the trace is, AFAICT, using the GUI app Instruments.  I'll send a screenshot to everyone except debbugs in a separate mail, because I don't know if debbugs can swallow that.  Does it?

It does (unless the image is very large, I think).

> In the GUI, one can see the heaviest time consumers (% execution time, and time in seconds).  One can see call stacks for them, narrow down on parts of call stack.  The rest I'm trying to figure out myself.

Looks and sounds useful.

> Big downside is not being able to produce some form of sharable text or pdf output.

I'm sure there is some way of producing text from an image, nowadays.
But even if just the image is posted, it provides useful information.

> What would be a good place for such a script in the repo?  Does admin/macos sound right?  But I'll wait for your okay for that.

I think nextstep/ is a better place.  admin/ is for stuff useful only
to Emacs developers, whereas this script sounds like being more
generally useful.

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