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feat: invert call stack in flame graph to render as icicle graph#6090

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cathaysia wants to merge 2 commits into
firefox-devtools:mainfrom
cathaysia:feat/icicle_graph
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feat: invert call stack in flame graph to render as icicle graph#6090
cathaysia wants to merge 2 commits into
firefox-devtools:mainfrom
cathaysia:feat/icicle_graph

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@cathaysia
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@cathaysia cathaysia commented Jun 5, 2026

image

add a invert callstack checkbox.

before:

image

after:
image

fix #6077

@cathaysia cathaysia force-pushed the feat/icicle_graph branch from 4f7ab4e to 2e38000 Compare June 5, 2026 02:46
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codecov Bot commented Jun 5, 2026

Codecov Report

❌ Patch coverage is 85.05747% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.59%. Comparing base (2cb282f) to head (733c867).
⚠️ Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
src/selectors/per-thread/stack-sample.ts 50.00% 9 Missing ⚠️
src/components/flame-graph/Canvas.tsx 92.00% 2 Missing ⚠️
src/profile-logic/flame-graph.ts 94.59% 2 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #6090      +/-   ##
==========================================
- Coverage   83.69%   83.59%   -0.10%     
==========================================
  Files         338      338              
  Lines       35693    35749      +56     
  Branches     9904    10033     +129     
==========================================
+ Hits        29873    29885      +12     
- Misses       5392     5436      +44     
  Partials      428      428              

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support icicle graph

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