GNU bug report logs - #43389
28.0.50; Emacs memory leaks

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Message #740 received at 43389 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: fweimer <at> redhat.com, 43389 <at> debbugs.gnu.org, bugs <at> gnu.support, dj <at> redhat.com,
 carlos <at> redhat.com, Trevor Bentley <trevor <at> trevorbentley.com>,
 michael_heerdegen <at> web.de
Subject: Re: bug#43389: 28.0.50; Emacs memory leaks using hard disk all time
Date: Sat, 12 Dec 2020 14:14:39 -0500

>> Not only that, but I added printfs in emacs itself around the 
>> garbage_collect() and gc_sweep() functions.  Each line prints the 
>> unix timestamp when it began, and the 'end' lines print the 
>> duration since the start.  You can see that the entire 50 minutes 
>> was spent in gc_sweep():
>
> I think this is expected if you have a lot of objects to sweep.

Actually, I'm surprised most of the time is spent in gc_sweep:
mark_object is usually where most of the time is spent, so this suggests
that the total heap size is *much* larger than the amount of live objects.


        Stefan

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