speedscope
https://github.com/jlfwong/speedscope
TypeScript
🔬 A fast, interactive web-based viewer for performance profiles.
Triage Issues!
When you volunteer to triage issues, you'll receive an email each day with a link to an open issue that needs help in this project. You'll also receive instructions on how to triage issues.
Triage Docs!
Receive a documented method or class from your favorite GitHub repos in your inbox every day. If you're really pro, receive undocumented methods or classes and supercharge your commit history.
TypeScript not yet supported1 Subscribers
Add a CodeTriage badge to speedscope
Help out
- Issues
- 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)
- Support for Python 3.15 `profiling.sampling`?
- speedscope fails to open Catapult files that don't all specify a pid
- Add copy summary feature for sharing profile context with LLMs
- Add functionality to filter flame graphs by search query
- Docs
- TypeScript not yet supported