From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: Emacs becomes CPU-hungry after some runnig period.
Date: Mon, 28 Jan 2013 10:52:12 +0100 [thread overview]
Message-ID: <87ham13a9f.fsf@web.de> (raw)
In-Reply-To: <mailman.18434.1359290089.855.help-gnu-emacs@gnu.org> (kostafey@gmail.com's message of "Sun, 27 Jan 2013 16:34:44 +0400")
kostafey <kostafey@gmail.com> writes:
> After some running period (about 10-30 minutes) emacs needs
> more and more CPU for simplest operations, like self-insert-command,
> wich runs about a seciond.
> Restarting solves this problem for some minutes.
Dunno why you see that problem. When I faced such a slowness, most of
the time, there were too many markers or overlays existent in a buffer.
Does the phenomenon you describe appear in all buffers, or are only some
buffers affected?
Anyway, a good way to locate the cause of such problems is using
profiler.el, the Emacs's native profiler.
When the slowness begins, type M-x profiler-start and choose "cpu".
Perform some stuff affected, like self-insert-command or scrolling.
Then type M-x profiler-report. You'll be presented a tree of functions
that were called, together with their cpu usage. In your case, I guess
that redisplay_internal will have used most of the cpu time. You can
expand parts of the tree if you put the cursor on the "+" and hit RET to
find out what stuff caused the slowness.
Michael.
next parent reply other threads:[~2013-01-28 9:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.18434.1359290089.855.help-gnu-emacs@gnu.org>
2013-01-28 9:52 ` Michael Heerdegen [this message]
2013-01-27 12:34 Emacs becomes CPU-hungry after some runnig period kostafey
2013-01-27 13:04 ` kostafey
2013-01-27 16:27 ` Peter Dyballa
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