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bug#26525: `sit-for' in Flyspell slows typing down, hogs 90% of CPU
From: |
Nick H |
Subject: |
bug#26525: `sit-for' in Flyspell slows typing down, hogs 90% of CPU |
Date: |
Thu, 03 Sep 2020 11:15:50 +1200 |
User-agent: |
Evolution 3.36.5 (3.36.5-1.fc32) |
> I'm marking this bug as unreproducible for now. Please report back
> if you see this again or can provide any more information.
I just bumped into this bug on 27.1 with the same symptoms - typing lag
after activating flyspell-mode.
I took a couple of profiles - the first when lag was apparent and
another after clearing the lag by toggling flyspell-mode.
Both profiles show a similar result, so the "high cpu" in sit-for might
be a red-herring.
Profile 1 - with lag
- flyspell-post-command-hook 1146 92%
- flyspell-check-word-p 1120 90%
- sit-for 1117 90%
- redisplay 551 44%
+ redisplay_internal (C function) 1 0%
read-event 390 31%
- flyspell-get-not-casechars 1 0%
ispell-get-decoded-string 1 0%
+ flyspell-word 8 0%
+ flyspell-check-pre-word-p 3 0%
+ command-execute 65 5%
+ ... 22 1%
+ undo-auto--add-boundary 1 0%
Profile 2 - without lag
- flyspell-post-command-hook 3507 94%
- flyspell-check-word-p 3432 92%
- sit-for 3414 92%
- redisplay 1660 44%
+ redisplay_internal (C function) 3 0%
+ read-event 1317 35%
+ ispell-get-otherchars 6 0%
+ flyspell-get-not-casechars 5 0%
+ flyspell-word 17 0%
+ flyspell-check-pre-word-p 13 0%
+ command-execute 93 2%
+ ... 87 2%
+ timer-event-handler 3 0%
undo-auto--add-boundary 2 0%
tooltip-hide 1 0%
Nick
- bug#26525: `sit-for' in Flyspell slows typing down, hogs 90% of CPU,
Nick H <=