speedscope
https://github.com/jlfwong/speedscope
TypeScript
🔬 A fast, interactive web-based viewer for performance profiles.
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Help out
- Issues
- Be able to click on the scopes at the bottom and jump back to that in the scopes above.
- Web flamegraph sometimes crashes with "startsWith of undefined" (rack-mini-profiler)
- File format: unit=bytes makes startValue/endValue meaningless
- Fix maximum call stack size exceeded in some case
- Tooltip partially hidden under mouse
- Increase tooltip hover offset to avoid being obscured by mouse
- Native support for cProfile dump
- Make www.speedscope.app work offline
- Format Support: concatenated output from many calls to jstack
- Support bg differential flamegraph
- Docs
- TypeScript not yet supported