GNU bug report logs - #70796
30.0.50; bug-reference-mode leading to constant GCing

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Message #11 received at 70796 <at> debbugs.gnu.org (full text, mbox):

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 70796 <at> debbugs.gnu.org
Subject: Re: bug#70796: 30.0.50; bug-reference-mode leading to constant GCing
Date: Mon, 06 May 2024 14:35:42 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
>> Date: Mon, 06 May 2024 08:53:29 +0200
>> 
>> This is in an Emacs compiled from the branch scratch/igc, but I see the
>> same in master.
>> 
>> When loading admin/igc.org in scratch/igc I see very frequent GC, even
>> while doing nothing at all. Memory profiler shows this
>> 
>>   4,192,076,326  68% - redisplay_internal (C function)
>>   2,997,520,400  48%  - jit-lock-function
>>   2,997,520,400  48%   - jit-lock-fontify-now
>>   2,982,457,616  48%    - jit-lock--run-functions
>>   2,982,457,616  48%     - run-hook-wrapped
>>   2,982,457,616  48%      - #<compiled-function 8A7>
>>   2,769,181,376  45%       - font-lock-fontify-region
>>   2,769,181,376  45%        - font-lock-default-fontify-region
>>   2,707,362,176  44%         - font-lock-fontify-keywords-region
>>     276,400,512   4%          + org-do-emphasis-faces
>>     197,821,440   3%          + org-fontify-drawers
>>     197,821,440   3%          + org-activate-links
>>     197,821,440   3%          + org-activate-tags
>>     197,821,440   3%          + org-activate-dates
>>     197,821,440   3%          + org-activate-footnote-links
>>     197,821,440   3%          + org-fontify-macros
>>     197,821,440   3%          + org-font-lock-add-priority-faces
>>     197,821,440   3%          + org-do-latex-and-related
>>     197,821,440   3%          + org-activate-code
>>     197,821,440   3%          + org-fontify-meta-lines-and-blocks
>>     197,821,440   3%          + org-fontify-inline-src-blocks
>>     197,821,440   3%          + org-cite-activate
>>      57,104,384   0%            re-search-forward
>>      61,819,200   1%         + font-lock-unfontify-region
>>     213,276,240   3%       + bug-reference-fontify
>>      15,062,784   0%    - run-with-timer
>>      15,062,784   0%     + apply
>>          97,280   0%  + file-remote-p
>>             336   0%  + desktop-auto-save-set-timer
>>             144   0%  + tab-bar-make-keymap
>>   1,955,072,562  31% + command-execute
>>         129,456   0% + timer-event-handler
>>           1,024   0% + corfu--auto-post-command
>>               0   0%   ...
>
> Where's the evidence of "frequent GC" in this profile?

I didn't say the profile is evidence of frequent GCs.

> (And "memory profile" has nothing to do with memory usage, contrary to
> popular belief.)
>
>> Disabling bug-reference-mode in the Org buffer makes it stop constantly
>> GCing.
>
> I believe you.  But showing the number of GCs (e.g., using the
> variable gcs-done) would tell us the story more convincingly.
> Alternatively, if you can share an Org file where this could be seen,
> please do.

So, believe me. Or not, as you please. I said where the Org file is at
the beginning.

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