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From: Eli Zaretskii <eliz@gnu.org>
To: "Gerd Möllmann" <gerd.moellmann@gmail.com>
Cc: psainty@orcon.net.nz, larsi@gnus.org, Emacs-hacker2018@jovi.net,
	monnier@iro.umontreal.ca, 45898@debbugs.gnu.org
Subject: bug#45898: 27.1; wedged in redisplay again
Date: Fri, 01 Jul 2022 09:04:19 +0300	[thread overview]
Message-ID: <83y1xde5cs.fsf@gnu.org> (raw)
In-Reply-To: <6A3A8E3E-9FF6-4509-893B-EBFF7B573CDA@gmail.com> (message from Gerd Möllmann on Fri, 1 Jul 2022 06:42:23 +0200)

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Date: Fri, 1 Jul 2022 06:42:23 +0200
> Cc: Eli Zaretskii <eliz@gnu.org>,
>  larsi@gnus.org,
>  psainty@orcon.net.nz,
>  Emacs-hacker2018@jovi.net,
>  45898@debbugs.gnu.org
> 
> 
> [1:text/plain Hide]
> 
> 
> > On 2022-06-30,, at 21:56 , Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> > 
> >>> Unsuprisingly so: none of `C-n/C-p/C-v/...` involve font-lock or
> >>> jit-lock either during their operation or during the
> >>> subsequent redisplay phase in the current code: the one-line is all
> >>> fontified once and for all when you open the file and after that
> >>> font-lock is not involved any more (until you make an edit, that is).
> >> 
> >> That's only true if max-redisplay-ticks is zero.
> > 
> > Why would that make a difference?  When I try `master` with this set to
> > 100000, the file still shows up with font-locking, so apparently it's
> > been fully font-locked despite `max-redisplay-ticks` and after that
> > font-locking (and syntax-propertize) won't make any difference any more
> > (until the buffer is edited) since they're already done.
> > [ Of course font-locking (and syntax-propertize) still do have an
> >  effect in that the text-properties they applied can impact the time it
> >  takes for the redisplay to do its job; so by "won't make any difference"
> >  I mean that 0-cycles will be spent running font-lock of
> >  syntax-propertize code.  ]
> 
> Would it be possible to run this with gprof profiling?  I think that could give some clues what is going on.

Or (on GNU/Linux only) under 'prof' -- which doesn't require you to
build a special version of Emacs, and still produces detailed CPU
usage info.





  reply	other threads:[~2022-07-01  6:04 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15 18:13 bug#45898: 27.1; wedged in redisplay again Devon Sean McCullough
2022-06-07 13:37 ` Lars Ingebrigtsen
2022-06-07 14:00   ` Eli Zaretskii
     [not found]     ` <b7f81bfc-bbfb-83bc-3660-d0b1474498f7@jovi.net>
2022-06-07 15:53       ` Eli Zaretskii
2022-06-08 11:47     ` Lars Ingebrigtsen
2022-06-08 14:08       ` Eli Zaretskii
2022-06-08 15:58         ` Eli Zaretskii
2022-06-09 10:30           ` Lars Ingebrigtsen
2022-06-09 10:45             ` Eli Zaretskii
2022-06-09 11:04               ` Lars Ingebrigtsen
2022-06-09 13:09                 ` Eli Zaretskii
2022-06-09 13:36                   ` Lars Ingebrigtsen
2022-06-09 15:56                     ` Eli Zaretskii
2022-06-10  9:02                       ` Lars Ingebrigtsen
2022-06-12  9:48                         ` Eli Zaretskii
2022-06-12 10:23                           ` Lars Ingebrigtsen
2022-06-12 14:23                             ` Eli Zaretskii
2022-06-12 18:02                               ` Eli Zaretskii
2022-06-13 12:10                               ` Lars Ingebrigtsen
2022-06-13 12:57                                 ` Eli Zaretskii
2022-06-13 22:40                                   ` Phil Sainty
2022-06-14 12:45                                     ` Eli Zaretskii
2022-06-18  8:01                                       ` Eli Zaretskii
2022-06-20 11:58                                         ` Eli Zaretskii
2022-06-20 19:11                                           ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-21 10:14                                             ` Eli Zaretskii
2022-06-21 20:38                                         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-22  2:33                                           ` Eli Zaretskii
2022-06-22 23:39                                             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-23  6:08                                               ` Eli Zaretskii
2022-06-23 21:14                                                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-24  7:57                                                   ` Eli Zaretskii
2022-06-25  4:54                                                     ` Gerd Möllmann
2022-06-25  6:29                                                       ` Eli Zaretskii
2022-06-25  7:47                                                         ` Eli Zaretskii
2022-06-25  8:18                                                           ` Gerd Möllmann
2022-06-25  9:49                                                         ` Gerd Möllmann
2022-06-25  9:57                                                           ` Eli Zaretskii
2022-06-25 11:10                                                             ` Gerd Möllmann
2022-06-25 11:29                                                               ` Eli Zaretskii
2022-06-25 12:20                                                                 ` Gerd Möllmann
2022-06-25 12:54                                                                   ` Eli Zaretskii
2022-06-25 12:57                                                                     ` Gerd Möllmann
2022-06-29 16:18                                                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-29 19:07                                                       ` Eli Zaretskii
2022-06-29 21:07                                                         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-30  5:14                                                           ` Eli Zaretskii
2022-06-30 17:22                                                             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-30 18:35                                                               ` Eli Zaretskii
2022-06-30 19:56                                                                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-01  4:42                                                                   ` Gerd Möllmann
2022-07-01  6:04                                                                     ` Eli Zaretskii [this message]
2022-07-01  8:49                                                                       ` Gerd Möllmann
2022-07-01 10:31                                                                         ` Eli Zaretskii
2022-07-01 11:04                                                                           ` Gerd Möllmann
2022-07-01 11:12                                                                             ` Eli Zaretskii
2022-07-01 11:33                                                                               ` Gerd Möllmann
2022-07-01 11:44                                                                       ` Gerd Möllmann
2022-07-01 12:35                                                                         ` Gerd Möllmann
2022-07-01 12:56                                                                           ` Eli Zaretskii
2022-07-01 12:39                                                                         ` Eli Zaretskii
2022-07-01  5:27                                                                   ` Eli Zaretskii
2022-07-01 12:14                                                                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-01 12:51                                                                       ` Eli Zaretskii
2022-07-01 14:38                                                                         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-01 15:43                                                                           ` Eli Zaretskii
2022-06-14 12:00                                   ` Lars Ingebrigtsen
2022-06-14 13:00                                     ` Eli Zaretskii
2022-06-09 10:25         ` Lars Ingebrigtsen
2022-06-09 10:40           ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-09 10:41           ` Eli Zaretskii
2022-06-09 10:48             ` Lars Ingebrigtsen
2022-06-09 13:06               ` Eli Zaretskii
     [not found] <165605725704.24125.17210424600068379407@vcs2.savannah.gnu.org>
     [not found] ` <20220624075417.BFA82C0169C@vcs2.savannah.gnu.org>
     [not found]   ` <87wnd6v34k.fsf@gnus.org>
     [not found]     ` <83mte2coqg.fsf@gnu.org>
     [not found]       ` <87fsjuqpzi.fsf@gnus.org>
     [not found]         ` <83k096clsx.fsf@gnu.org>
     [not found]           ` <8735fup5oh.fsf@gnus.org>
     [not found]             ` <83a6a2cher.fsf@gnu.org>
     [not found]               ` <874k09nau4.fsf@gnus.org>
2022-06-25  7:17                 ` Eli Zaretskii
2022-06-25 10:10                   ` Lars Ingebrigtsen
2022-06-25 11:21                     ` Eli Zaretskii

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