From: Eli Zaretskii <eliz@gnu.org>
To: Eric Froemling <ericfroemling@gmail.com>
Cc: 17124@debbugs.gnu.org
Subject: bug#17124: 24.3.50; Occasional Extremely Slow Redraws in OSX Emacs
Date: Fri, 28 Mar 2014 10:20:22 +0300 [thread overview]
Message-ID: <83a9cayekp.fsf@gnu.org> (raw)
In-Reply-To: <3720C794-D850-4F7A-B5C4-1BC1A72BA26B@gmail.com>
> From: Eric Froemling <ericfroemling@gmail.com>
> Date: Thu, 27 Mar 2014 14:23:28 -0700
>
> I've been using various OSX emacs builds from http://emacsformacosx.com
> for a few years now. I'm on a 2012 Retina Macbook Pro 15". Every so
> often when I am resizing the emacs frame or window I get a single
> extremely slow redraw. Here's a screen-capture video I was able to
> take of one just now as it was occurring:
> http://www.files.froemling.net/misc/SlowEmacs.mov
I cannot see that movie on my box. Do you see delays between
characters on the same screen lines, or is the delay between screen
lines?
> I have not found a way to reliably reproduce these, though they happen
> somewhat regularly when I am working. Please let me know if there's
> any other info I can provide or anything I can do on my end to help
> get to the bottom of this.
Try to look at the CPU load when this happens, in particular if more
than a single CPU core is busy (assuming you have a multi-core CPU).
If more than one core us busy, it probably means that more than one
thread is using the CPU (Emacs redisplay engine is single-threaded).
next prev parent reply other threads:[~2014-03-28 7:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-27 21:23 bug#17124: 24.3.50; Occasional Extremely Slow Redraws in OSX Emacs Eric Froemling
2014-03-28 7:20 ` Eli Zaretskii [this message]
2014-03-28 16:19 ` Eric Froemling
2014-03-28 17:43 ` Eli Zaretskii
2014-04-01 5:23 ` Eric Froemling
2014-04-01 15:03 ` Eli Zaretskii
2014-04-01 16:57 ` Eric Froemling
2014-06-27 10:44 ` Jan Djärv
2014-06-27 13:37 ` Eli Zaretskii
2014-06-27 17:13 ` Jan Djärv
2014-06-27 17:30 ` Eric Froemling
2014-06-27 19:58 ` Eli Zaretskii
2014-06-27 19:57 ` Eli Zaretskii
2014-06-30 12:55 ` Jan Djärv
2014-06-30 14:45 ` Eli Zaretskii
2014-03-29 12:20 ` Jan Djärv
2015-01-27 20:09 ` Bill Sacks
2016-02-10 19:25 ` bulldozer
2016-02-10 23:29 ` Alan Third
2016-02-11 0:26 ` bulldozer
2016-02-12 5:10 ` bulldozer
2016-02-12 7:21 ` Eli Zaretskii
2016-02-12 23:54 ` Alan Third
2020-09-09 12:30 ` bug#16594: " Lars Ingebrigtsen
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