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From: Ihor Radchenko <yantar92@posteo.net>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 58558@debbugs.gnu.org, larsi@gnus.org, monnier@iro.umontreal.ca
Subject: bug#58558: 29.0.50; re-search-forward is slow in some buffers
Date: Wed, 14 Dec 2022 11:40:37 +0000	[thread overview]
Message-ID: <87cz8musay.fsf@localhost> (raw)
In-Reply-To: <83mt7rnkb7.fsf@gnu.org>

Eli Zaretskii <eliz@gnu.org> writes:

>> I am not sure what you mean by xbacktrace.
>
> It's a command we define in src/.gdbinit.  Try this:
>
>   (gdb) source /path/to/emacs/src/.gdbinit
>   (gdb) xbacktrace
>
> But do that after catching Fmake_marker call from Fmatch_data, like
> you did before.

Ok.

Now, I disabled my custom mode-line and tied to get the backtrace for
Fmake_marker and also build_marker (as suggested by Stefan).

Disabling custom mode-line did not cause any apparent improvement in
performance.

Result:

Breakpoint is still _not_ triggered during benchmark-run call

(benchmark-progn (goto-char (point-min)) (while (re-search-forward yant/re nil t)))

build_marker is not triggered, except during redisplay and completion.
Fmake_marker is triggered a dozen of times when preparing M-: prompt and
later a couple of hundreds of times _after_ executing the benchmark:

Called a couple of hundreds of times
Lisp Backtrace:
"match-data" (0xf0c02130)
0x59846038 PVEC_COMPILED
"auto-revert-buffers--buffer-list-filter" (0xf0c020b8)
"apply" (0xf0c020b0)
"auto-revert-buffers" (0xf0c02058)
"apply" (0xf0c02050)
"timer-event-handler" (0xffffcd48)

not related.

I will now look into counting the number of for look cycles, as Stefan
suggested.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>





  reply	other threads:[~2022-12-14 11:40 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-16  1:26 bug#58558: 29.0.50; re-search-forward is slow in some buffers Ihor Radchenko
2022-10-16  9:19 ` Lars Ingebrigtsen
2022-10-16  9:34   ` Ihor Radchenko
2022-10-16  9:37     ` Lars Ingebrigtsen
2022-10-16 10:02       ` Ihor Radchenko
2022-10-16 10:04         ` Lars Ingebrigtsen
2022-10-16 10:53           ` Ihor Radchenko
2022-10-16 11:01             ` Lars Ingebrigtsen
2022-10-16 11:21               ` Eli Zaretskii
2022-10-16 14:23                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-17  0:56                   ` Ihor Radchenko
2022-10-18 11:50                     ` Lars Ingebrigtsen
2022-10-18 14:58                       ` Eli Zaretskii
2022-10-18 18:19                         ` Lars Ingebrigtsen
2022-10-18 18:38                           ` Eli Zaretskii
2022-12-13 10:28                           ` Ihor Radchenko
2022-12-13 13:11                             ` Eli Zaretskii
2022-12-13 13:32                               ` Ihor Radchenko
2022-12-13 14:28                                 ` Eli Zaretskii
2022-12-13 15:56                                   ` Ihor Radchenko
2022-12-13 16:08                                     ` Eli Zaretskii
2022-12-13 17:43                                       ` Ihor Radchenko
2022-12-13 17:52                                         ` Eli Zaretskii
2022-12-13 18:03                                           ` Ihor Radchenko
2022-12-13 20:02                                             ` Eli Zaretskii
2022-12-14 11:40                                               ` Ihor Radchenko [this message]
2022-12-14 13:06                                                 ` Eli Zaretskii
2022-12-14 13:23                                                   ` Ihor Radchenko
2022-12-14 13:32                                                     ` Eli Zaretskii
2022-12-14 13:39                                                       ` Ihor Radchenko
2022-12-14 14:12                                                         ` Eli Zaretskii
2022-12-13 18:15                                         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-13 18:40                                           ` Ihor Radchenko
2022-12-13 19:55                                             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-13 20:21                                               ` Eli Zaretskii
2022-12-14 11:42                                                 ` Ihor Radchenko
2022-12-13 17:38                                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-14 12:00                                       ` Ihor Radchenko
2022-12-14 12:23                                       ` Ihor Radchenko
2022-12-14 13:10                                         ` Eli Zaretskii
2022-12-14 13:26                                           ` Ihor Radchenko
2022-12-14 13:57                                             ` Eli Zaretskii
2022-12-14 14:01                                               ` Ihor Radchenko
2023-04-06 11:49                                                 ` Ihor Radchenko
2023-04-06 12:05                                                   ` Eli Zaretskii
2023-04-09 19:54                                                     ` Ihor Radchenko
2023-04-10  4:14                                                       ` Eli Zaretskii
2023-04-10 12:24                                                         ` Ihor Radchenko
2023-04-10 13:40                                                           ` Eli Zaretskii
2023-04-10 14:55                                                             ` Ihor Radchenko
2023-04-10 16:04                                                               ` Eli Zaretskii
2023-04-10 14:27                                                           ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-11 11:29                                                             ` Ihor Radchenko
2023-04-11 11:51                                                               ` Eli Zaretskii
2023-04-12 13:39                                                                 ` Ihor Radchenko
2023-04-12 14:06                                                                   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-12 14:30                                                                     ` Eli Zaretskii
2023-04-12 14:38                                                                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-12 15:22                                                                         ` Eli Zaretskii
2023-04-12 15:59                                                                           ` Alan Mackenzie
2023-04-12 14:38                                                                       ` Stephen Berman
2023-04-12 14:42                                                                       ` Ihor Radchenko
2023-04-12 14:39                                                                     ` Ihor Radchenko
2023-04-12 15:20                                                                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-12 23:23                                                                         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-13  4:33                                                                           ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-13 20:05                                                                             ` Ihor Radchenko
2023-04-13  4:52                                                                           ` Eli Zaretskii
2023-04-13  5:15                                                                             ` Eli Zaretskii
2023-04-12 18:31                                                                     ` Alan Mackenzie
2023-04-12 23:25                                                                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-13  4:43                                                                   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-13 12:09                                                                     ` Ihor Radchenko
2022-12-13 13:27                             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-16 10:36         ` Eli Zaretskii
2023-02-19 12:17     ` Dmitry Gutov
2023-02-20 10:24       ` Ihor Radchenko
2023-02-20 14:54         ` Dmitry Gutov
2023-04-10  8:48 ` Mattias Engdegård
2023-04-10  9:57   ` Ihor Radchenko
2023-04-10 10:05     ` Mattias Engdegård

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