From: Eli Zaretskii <eliz@gnu.org>
To: Andrew Beekhof <andrew@beekhof.net>
Cc: 16995@debbugs.gnu.org
Subject: bug#16995: 24.3; CPU usage spikes to 100% for minutes at a time
Date: Thu, 13 Mar 2014 05:49:14 +0200 [thread overview]
Message-ID: <8361nioj0l.fsf@gnu.org> (raw)
In-Reply-To: <37089DA4-7533-4566-814E-6AC8857123CB@beekhof.net>
> From: Andrew Beekhof <andrew@beekhof.net>
> Date: Thu, 13 Mar 2014 11:30:15 +1100
> Cc: 16995@debbugs.gnu.org
>
> > The backtrace you posted indicates that Emacs is in garbage
> > collection. To see if this is indeed the cause of those "lockups",
> > could you please customize garbage-collection-messages to a non-nil
> > value, and then see if every time Emacs locks up there's a message in
> > the echo area announcing GC?
>
> It took about 2 hours of solid editing to hit it again this morning, but eventually I did.
>
> For the first while I saw 'Garbage collecting...done', with the 'done' part flashing.
>
> Then it switched to 'Garbage collecting...'
>
> At some point I must have hit C-l (goto-line) because after I came back from making breakfast (I wasn't exaggerating when I said 'minutes') it was prompting for a line number.
> Pressing C-g (cancel) at this point resulted in the buffer flashing between displaying 'Quit' and 'Garbage collecting...'
>
> After it stopped doing this, I used the pointer to move the cursor which got me back to the 'Garbage collecting...' phase followed by 'Garbage collecting...done', with the 'done' part flashing again.
>
> Top says:
>
> 22971 beekhof 20 0 658092 61636 15584 R 99.1 0.8 37:03.28 emacs
>
> (note that its still the same process from yesterday)
>
>
> If I now switch to a .c file, things appear normal.
> Switching back to the .py file and doing anything results in more garbage collection.
So I guess the question now becomes why does Python mode conses so
many Lisp objects that it triggers GC so frequently.
next prev parent reply other threads:[~2014-03-13 3:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-12 7:08 bug#16995: 24.3; CPU usage spikes to 100% for minutes at a time Andrew Beekhof
2014-03-12 8:13 ` Michael Heerdegen
2014-03-12 16:17 ` Eli Zaretskii
2014-03-13 0:30 ` Andrew Beekhof
2014-03-13 3:49 ` Eli Zaretskii [this message]
2014-03-13 13:40 ` Stefan Monnier
2014-03-13 15:56 ` Glenn Morris
2014-03-17 5:12 ` Andrew Beekhof
2014-03-17 5:15 ` Daniel Colascione
2014-03-17 17:19 ` Glenn Morris
2014-03-17 22:28 ` Andrew Beekhof
2014-03-17 15:04 ` Stefan
2014-03-17 20:44 ` Andrew Beekhof
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8361nioj0l.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=16995@debbugs.gnu.org \
--cc=andrew@beekhof.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.