GNU bug report logs - #40733
28.0.50; Emacs locks up on paste (yank) of unicode characters

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Message #53 received at 40733 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Will Bush <will.g.bush <at> gmail.com>
Cc: contovob <at> tcd.ie, rpluim <at> gmail.com, 40733 <at> debbugs.gnu.org, cloos <at> jhcloos.com
Subject: Re: bug#40733: 28.0.50;
 Emacs locks up on paste (yank) of unicode characters
Date: Wed, 29 Apr 2020 15:16:12 +0300

> From: Will Bush <will.g.bush <at> gmail.com>
> Date: Wed, 29 Apr 2020 06:59:42 -0500
> Cc: Robert Pluim <rpluim <at> gmail.com>, "Basil L. Contovounesios" <contovob <at> tcd.ie>, 40733 <at> debbugs.gnu.org, 
> 	James Cloos <cloos <at> jhcloos.com>
> 
>  It would be good to know what happens in Emacs during those 88
>  seconds.  Please try using "M-x profiler" to find out.
> 
> Here's what I get with `M-x profiler-start`, using the default cpu sampling,
> `C-y` the character into a scratch buffer, wait for the character to show up,
> `M-x profiler-stop`, and start `M-x profiler-report`:

You shouldn't invoke profiler-stop, it affects the profile.  Just
profiler-start, do what you want to profile, then profiler-report.

From what you posted, it looks like GC is a major player, but it's
hard to be sure (and 88 sec is a lot of time for a GC).  Please show
the profile collected as suggested above.

Thanks.

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