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gh-138122: Add inverted flamegraph #142288

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Merged
pablogsal merged 9 commits into from
Dec 12, 2025
Merged

gh-138122: Add inverted flamegraph #142288

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483fd19
Add inverted flamegraph
ivonastojanovic Dec 5, 2025
2813625
Move toggle css to base.css
ivonastojanovic Dec 5, 2025
aca0547
fixup! Move toggle css to base.css
pablogsal Dec 5, 2025
755b20d
Merge branch 'main' into inverted_flamegraph
ivonastojanovic Dec 9, 2025
41ad2da
📜🤖 Added by blurb_it.
blurb-it[bot] Dec 9, 2025
14f0ec8
Merge upstream/main into inverted_flamegraph
pablogsal Dec 11, 2025
500c484
Fix single node case
pablogsal Dec 11, 2025
af60172
Match toggle color styling between flamegraph and heatmap
ivonastojanovic Dec 11, 2025
7dfc4ee
Merge main into inverted_flamegraph
ivonastojanovic Dec 11, 2025
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📜🤖 Added by blurb_it.
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@blurb-it
blurb-it[bot] authored Dec 9, 2025
commit 41ad2dae6aa677c224bb29caa0215b84d325c224
8 changes: 8 additions & 0 deletions Misc/NEWS.d/next/Library/2025-12-09-22-11-59.gh-issue-138122.CsoBEo.rst
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The ``profiling.sampling`` flamegraph profiler now supports inverted
flamegraph view that aggregates all leaf nodes. In a standard flamegraph, if
a hot function is called from multiple locations, it appears multiple times
as separate leaf nodes. In the inverted flamegraph, all occurrences of the
same leaf function are merged into a single aggregated node at the root,
showing the total hotness of that function in one place. The children of each
aggregated node represent its callers, making it easier to identify which
functions consume the most CPU time and where they are called from.
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