speedscope
https://github.com/jlfwong/speedscope
TypeScript
🔬 A fast, interactive web-based viewer for performance profiles.
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- Issues
- Node.js different versions cause parsing issues
- Strip v8 different version message before parsing to JSON
- add envvar for dev server port
- Add link for importing from JFR in README
- Show additional information in hover/elsewhere
- RFC: pastila.nl (copy-paste service with end-to-end encryption) support in `profileURL`
- RuntimeError: memory access out of bounds
- Does it support the Perfetto proto format?
- Support annotations, like those in Chrome
- [Bug] Chrome crashes with "Out of Memory" error when viewing large profiles (~375MB)
- Docs
- TypeScript not yet supported