gh-150258: Show relative percentage on Tachyon flamegraph#150266
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When running profiling, users rarely care about the global percentage of the runtime. Often, they want to select a function and measure child percentages relative to that. This PR updates the flamegraph tooltips to show both "Percentage" and "Relative Percentage" when the user clicks a specific function. Fixes python#150258
…lme/cpython into tachyon-relative-percentage
scottshambaugh
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Tested locally and this matches what I was looking for in the issue, thanks for putting this together!
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Thx for all the feedback! Glad it matches what you were looking for. I also think this will be useful! :) |
pablogsal
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needs backport to 3.15
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Thanks @edvilme for the PR, and @pablogsal for merging it 🌮🎉.. I'm working now to backport this PR to: 3.15. |
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GH-150312 is a backport of this pull request to the 3.15 branch. |
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When running profiling, users rarely care about the global percentage of the runtime. Often, they want to select a function and measure child percentages relative to that.
This PR updates the flamegraph tooltips to show both "Percentage" and "Relative Percentage" when the user clicks a specific function.
Fixes #150258
Visualization
With no functions selected
With a function selected
Remarks
"Relative percentage" is only shown for the children of the selected node (<100%)