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Re: Tooltips GC overhead
From: |
martin rudalics |
Subject: |
Re: Tooltips GC overhead |
Date: |
Wed, 29 Jul 2015 09:18:23 +0200 |
> You could try M-x profiler-start RET mem RET, tho IIRC it counts all
> allocations rather than only those that affect calling the GC.
This gets me something like the tree below. Can someone help me to
interpret it? I am completely lost. For example from
- timer-event-handler 56,501,327 4%
- apply 56,501,327 4%
- tooltip-timeout 56,500,283 4%
- run-hook-with-args-until-success 56,500,283 4%
- tooltip-help-tips 56,500,283 4%
- tooltip-show 56,500,283 4%
- x-show-tip 25,190,423 6%
- face-set-after-frame-default 24,981,305 5%
+ face-spec-recalc 24,955,421 5%
face-list 19,836 0%
+ frame-set-background-mode 1,044 0%
run-at-time 996 0%
frame-windows-min-size 996 0%
+ mouse-autoselect-window-select 1,044 0%
+ command-execute 3,441,959 5%
+ redisplay_internal (C function) 439,724 0%
mode-line-modified-help-echo 8,188 0%
+ tooltip-show-help 6,264 0%
mouse-fixup-help-message 512 0%
... 0 0%
I deduce that `tooltip-show' is responsible for allocating 56,500,283
bytes (4% of what?). Apparently, from this amount `x-show-tip' spends
25,190,423 bytes (6% of what?). Who's responsible for the remaining 30
or so million bytes? If the percentages are for the total number of
bytes allocated, why do 56 millions contribute 4% and three millions (as
for `command-execute') 5%?
Expanding the tree further gets me
- timer-event-handler 56,501,327 4%
- apply 56,501,327 4%
- tooltip-timeout 56,500,283 4%
- run-hook-with-args-until-success 56,500,283 4%
- tooltip-help-tips 56,500,283 4%
- tooltip-show 56,500,283 4%
- x-show-tip 25,190,423 6%
- face-set-after-frame-default 24,981,305 5%
- face-spec-recalc 24,955,421 5%
+ face-spec-set-2 12,677,521 3%
- make-face-x-resource-internal 8,684,863 -3%
- set-face-attributes-from-resources 8,684,863 -3%
+ set-face-attribute-from-resource 1,401,887 2%
+ face-spec-reset-face 3,494,237 5%
+ face-spec-choose 16,324 0%
face-list 19,836 0%
+ frame-set-background-mode 1,044 0%
run-at-time 996 0%
frame-windows-min-size 996 0%
+ mouse-autoselect-window-select 1,044 0%
+ command-execute 3,441,959 5%
+ redisplay_internal (C function) 439,724 0%
mode-line-modified-help-echo 8,188 0%
+ tooltip-show-help 6,264 0%
mouse-fixup-help-message 512 0%
... 0 0%
Again between `set-face-attributes-from-resources' with its 8,684,863
(why -3%?) and `set-face-attribute-from-resource' with its 1,401,887 I
have a gap of 7 million bytes. What am I missing? Is the tree printing
routine deficient?
Thanks, martin
- Tooltips GC overhead, martin rudalics, 2015/07/28
- Re: Tooltips GC overhead, Eli Zaretskii, 2015/07/28
- Re: Tooltips GC overhead, Stefan Monnier, 2015/07/28
- Re: Tooltips GC overhead,
martin rudalics <=
- Re: Tooltips GC overhead, Paul Eggert, 2015/07/29
- Re: Tooltips GC overhead, martin rudalics, 2015/07/29
- Re: Tooltips GC overhead, Eli Zaretskii, 2015/07/29
- Re: Tooltips GC overhead, martin rudalics, 2015/07/29
- Re: Tooltips GC overhead, Paul Eggert, 2015/07/29
- Re: Tooltips GC overhead, martin rudalics, 2015/07/30
- Re: Tooltips GC overhead, martin rudalics, 2015/07/30
- Re: Tooltips GC overhead, Paul Eggert, 2015/07/30
- Re: Tooltips GC overhead, martin rudalics, 2015/07/30
- Re: Tooltips GC overhead, Eli Zaretskii, 2015/07/30