From: Alexis <flexibeast@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Mark Hindley <mark@hindley.org.uk>,
mbork@mbork.pl, 20611@debbugs.gnu.org
Subject: bug#20611: 24.4; mutt slow in ansi-term
Date: Mon, 11 Apr 2016 08:22:09 +1000 [thread overview]
Message-ID: <87fuut2jfy.fsf@gmail.com> (raw)
In-Reply-To: <83d1pxgzy6.fsf@gnu.org>
Eli Zaretskii <eliz@gnu.org> writes:
>> I have just tried alsamixer within ansi-term, and redraws in
>> response to Ctrl-L take well over a second.
>
> Strange. Does anyone else see this?
Context: Debian Jessie x86_64 / i5-2410M.
i also observe noticeable lag in the above situation, on both on
24.5 and on master as at d6ea6453. The lag is worse on the latter
than the former.
> Can you show a profile ("M-x profiler-start RET") of the slow
> redraws? Preferably with the latest pretest of Emacs 25.1, if
> you can.
Running the profiler on master:
#+BEGIN
- term-emulate-terminal
4233 91%
- term-handle-ansi-escape
4065 87%
- term-goto
3965 85%
- term-down
970 20%
- vertical-motion
4 0%
jit-lock-function
4 0%
- vertical-motion
4 0%
- jit-lock-function
4 0%
- jit-lock-fontify-now
4 0%
- jit-lock--run-functions
4 0%
- run-hook-wrapped
4 0%
- #<compiled 0xa9010f>
4 0%
- font-lock-fontify-region
4 0%
font-lock-default-fontify-region
4 0%
term-insert-spaces
100 2%
redisplay
40 0% jit-lock-after-change
4 0%
+ command-execute
352 7% + ...
29 0%
and
8 0%
+ redisplay_internal (C function)
4 0% + timer-event-handler
2 0% #+END
Hth.
Alexis.
next prev parent reply other threads:[~2016-04-10 22:22 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-19 7:58 bug#20611: 24.4; mutt slow in ansi-term Mark Hindley
2016-04-08 18:10 ` Marcin Borkowski
2016-04-09 7:39 ` Mark Hindley
2016-04-09 9:38 ` Eli Zaretskii
2016-04-10 9:15 ` Mark Hindley
2016-04-10 17:01 ` Eli Zaretskii
2016-04-10 22:22 ` Alexis [this message]
2016-04-11 16:01 ` Eli Zaretskii
2016-04-12 7:59 ` Alexis
2016-04-12 15:27 ` Eli Zaretskii
2016-04-13 0:22 ` Alexis
2016-04-13 1:41 ` Mark Hindley
2016-04-13 2:41 ` Eli Zaretskii
2016-04-13 7:37 ` Mark Hindley
2016-04-13 7:52 ` Alexis
2016-04-13 14:56 ` Eli Zaretskii
2016-04-15 8:13 ` Alexis
2016-04-16 10:11 ` Eli Zaretskii
2016-06-17 11:04 ` Phil Sainty
2016-06-17 13:27 ` Eli Zaretskii
2016-06-18 1:08 ` Phil Sainty
2016-06-18 8:10 ` Eli Zaretskii
2016-06-19 11:19 ` Phil Sainty
2016-06-26 0:50 ` Phil Sainty
2016-06-26 16:46 ` Eli Zaretskii
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