Comments (7)
wasamasa
commented on August 24, 2024
Please record a profiler run, otherwise it's impossible to tell what the problem is:
M-x profiler-start, pick the CPU option- Reproduce the slowness, ideally for prolonged time
M-x profiler-reportC-u TAB- Copy the whole report and attach it into your reply
M-x profiler-stop
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ZelphirKaltstahl
commented on August 24, 2024
- command-execute 2497 95%
- call-interactively 2497 95%
- next-line 2439 93%
- funcall 2439 93%
- #<compiled 0x437913> 2439 93%
- line-move 2439 93%
- line-move-partial 2400 91%
- default-line-height 36 1%
default-font-height 36 1%
- window-screen-lines 14 0%
- default-line-height 14 0%
default-font-height 12 0%
default-font-height 12 0%
- pos-visible-in-window-p 9 0%
file-remote-p 7 0%
- eval 2 0%
if 2 0%
- posn-at-point 2 0%
- eval 2 0%
if 2 0%
line-move-visual 19 0%
- default-line-height 12 0%
default-font-height 12 0%
- byte-code 27 1%
- read-extended-command 27 1%
- completing-read 27 1%
- completing-read-default 27 1%
- read-from-minibuffer 25 0%
- timer-event-handler 1 0%
timer-activate-when-idle 1 0%
- minibuffer-complete 26 0%
- completion-in-region 26 0%
- completion--in-region 26 0%
- #<compiled 0xa18fbb> 26 0%
- apply 26 0%
- #<compiled 0x247e21> 26 0%
- completion--in-region-1 26 0%
- completion--do-completion 26 0%
- completion-try-completion 23 0%
- completion--nth-completion 23 0%
- completion--some 23 0%
- funcall 23 0%
- #<compiled 0xa16b97> 23 0%
- #<compiled 0xa16f9b> 23 0%
completion-basic-try-completion 23 0%
- minibuffer-completion-help 3 0%
- completion-all-completions 3 0%
- completion--nth-completion 3 0%
- completion--some 3 0%
- funcall 3 0%
- #<compiled 0x9efd2b> 3 0%
- #<compiled 0x9f012f> 3 0%
- completion-basic-all-completions 3 0%
completion-pcm--all-completions 3 0%
- execute-extended-command 5 0%
- command-execute 5 0%
- call-interactively 5 0%
- profiler-report 5 0%
- profiler-report-cpu 5 0%
profiler-cpu-profile 5 0%
- redisplay_internal (C function) 62 2%
- jit-lock-function 62 2%
- jit-lock-fontify-now 62 2%
- funcall 62 2%
- #<compiled 0x9d8b77> 62 2%
- run-hook-with-args 62 2%
- font-lock-fontify-region 62 2%
- font-lock-default-fontify-region 62 2%
- font-lock-fontify-keywords-region 35 1%
yaml-font-lock-block-literals 10 0%
whitespace-trailing-regexp 10 0%
- font-lock-fontify-syntactically-region 27 1%
looking-back 10 0%
- ... 42 1%
Automatic GC 42 1%
- whitespace-post-command-hook 14 0%
jit-lock-refontify 14 0%
- delete-selection-pre-hook 4 0%
use-region-p 4 0%
from yaml-mode.
ZelphirKaltstahl
commented on August 24, 2024
And here is the profiling in emacs -Q:
- command-execute 81 85%
- call-interactively 81 85%
- byte-code 35 36%
- read-extended-command 35 36%
- completing-read 35 36%
- completing-read-default 35 36%
read-from-minibuffer 27 28%
- next-line 24 25%
- funcall 11 11%
- #<compiled 0x49ee9f> 11 11%
- line-move 11 11%
- line-move-partial 6 6%
- default-line-height 6 6%
default-font-height 6 6%
- default-line-height 4 4%
default-font-height 4 4%
line-move-visual 1 1%
- minibuffer-complete 20 21%
- completion-in-region 20 21%
- completion--in-region 20 21%
- #<compiled 0x4d0833> 20 21%
- apply 20 21%
- #<compiled 0x247e21> 20 21%
- completion--in-region-1 20 21%
- completion--do-completion 20 21%
- minibuffer-completion-help 15 15%
- completion-all-completions 11 11%
- completion--nth-completion 11 11%
- completion--some 11 11%
- funcall 11 11%
- #<compiled 0x4d1c3b> 11 11%
- #<compiled 0x4d1843> 11 11%
- completion-basic-all-completions 11 11%
completion-pcm--all-completions 11 11%
- internal-temp-output-buffer-show 4 4%
- display-buffer 4 4%
- display-buffer--maybe-pop-up-frame-or-window 4 4%
- display-buffer-pop-up-window 4 4%
- window--try-to-split-window 4 4%
- funcall 4 4%
- split-window-sensibly 4 4%
- split-window-below 4 4%
- split-window 4 4%
- byte-code 4 4%
- window--check 4 4%
- window--side-check 4 4%
- byte-code 4 4%
- walk-window-tree 4 4%
walk-window-tree-1 4 4%
- completion-try-completion 5 5%
- completion--nth-completion 5 5%
- completion--some 5 5%
- funcall 5 5%
- #<compiled 0x2f906b> 5 5%
- #<compiled 0x71f17f> 5 5%
completion-basic-try-completion 5 5%
- execute-extended-command 2 2%
- command-execute 2 2%
- call-interactively 2 2%
- profiler-report 2 2%
- profiler-report-cpu 2 2%
profiler-cpu-profile 2 2%
- redisplay_internal (C function) 5 5%
- and 4 4%
- or 4 4%
and 4 4%
- eval 1 1%
if 1 1%
- timer-event-handler 5 5%
- timer-activate 5 5%
- timer--activate 5 5%
timerp 5 5%
- ... 4 4%
Automatic GC 4 4%
from yaml-mode.
wasamasa
commented on August 24, 2024
Hm, doesn't look particularly enlightening. Could you try running a minimal session with emacs -Q, then enable packages with M-x package-initialize, open a YAML file, enable yaml-mode and then try reproducing the problem? If it's gone in that configuration and otherwise present, chances are you've enabled something in your own personal config that makes line movement a lot slower.
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ZelphirKaltstahl
commented on August 24, 2024
The issue does not appear when I do that, so I think you are right. It seems to be something else related to YAML in my emacs configuration.
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wasamasa
commented on August 24, 2024
OK, feel free to write here again if you manage finding the culprit via bisection.
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ZelphirKaltstahl
commented on August 24, 2024
The issue is with a theme. I fiddled around with the emacs desktop file, because I tried to disable all themes. Although I commented them out in my init.el file, emacs still loaded the theme. When I commented out (desktop-save-mode 1), it did not do that anymore. So I figured I'd simply delete the emacs desktop file and reopen all my buffers, to get rid of the theme. When I open the YAML file without theme, the high CPU usage does not happen anymore. When I reenable the theme, the CPU usage is there again.
The theme is suscolors.
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