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@mstange mstange commented Jan 27, 2026

Production | Deploy preview (Double click on the fifth root node, Ion: BinaryConstraint.prototype.input)

This PR makes it so we show the assembly code for the native symbol with the highest "total" for the double-clicked call node.

We don't reorder the list so that the list is always the same regardless of the current preview selection. The preview selection only influences which item in the list gets displayed by default. For example, in the deploy preview, you can create a preview selection so that double-clicking the Ion: BinaryConstraint.prototype.input shows the first native symbol.

@mstange mstange requested a review from canova January 27, 2026 17:00
@mstange mstange self-assigned this Jan 27, 2026
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codecov bot commented Jan 27, 2026

Codecov Report

❌ Patch coverage is 94.28571% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.57%. Comparing base (5445a18) to head (0693702).
⚠️ Report is 45 commits behind head on main.

Files with missing lines Patch % Lines
src/profile-logic/bottom-box.ts 93.75% 1 Missing ⚠️
src/profile-logic/profile-data.ts 94.73% 1 Missing ⚠️
Additional details and impacted files
@@           Coverage Diff           @@
##             main    #5788   +/-   ##
=======================================
  Coverage   85.56%   85.57%           
=======================================
  Files         320      320           
  Lines       31419    31448   +29     
  Branches     8649     8570   -79     
=======================================
+ Hits        26884    26911   +27     
- Misses       4104     4106    +2     
  Partials      431      431           

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Looks great, thanks!

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mstange commented Feb 5, 2026

Huh, I forgot to land this!

@mstange mstange force-pushed the assembly-view-open-heaviest branch from fa07f06 to 0693702 Compare February 5, 2026 19:07
@mstange mstange enabled auto-merge February 5, 2026 19:07
@mstange mstange merged commit cbbadb4 into firefox-devtools:main Feb 5, 2026
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@canova canova mentioned this pull request Feb 11, 2026
canova added a commit that referenced this pull request Feb 11, 2026
Changes:
[Valentin Gosu] Make extractGeckoLogs() not fake the D/ log level if the
log module already contains it (#5811)
[Markus Stange] Improve how we pick the "default" native symbol for the
assembly view when double-clicking a call node with multiple native
symbols (#5788)
[fatadel] Use base 10 when calculating memory (#5810)
[Markus Stange] Remove unused function
getEmptySamplesTableWithResponsiveness (#5825)
[arai-a] Make the dark-mode selected timeline background more similar to
non-selected color/contrast, and use slightly brigher colors for the
timeline and category (#5823)
[Nazım Can Altınova] 🔃 Sync: l10n -> main (February 11, 2026) (#5827)

And special thanks to our localizers:
de: Ger
de: Michael Köhler
el: Jim Spentzos
en-CA: chutten
en-CA: Saurabh
en-GB: Ian Neal
es-CL: ravmn
ia: Martijn Dekker
ia: Melo46
it: Francesco Lodolo [:flod]
nl: Mark Heijl
pt-BR: Marcelo Ghelman
ru: Valery Ledovskoy
sv-SE: Andreas Pettersson
tr: Nazım Can Altınova
tr: Selim Şumlu
zh-CN: Olvcpr423
zh-CN: wxie
zh-TW: Pin-guang Chen
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2 participants