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mstange/samply

View on GitHub ↗ ★ 4,475 Rust

Command-line sampling profiler for macOS, Linux, and Windows

16 mentions on Hacker News by 13 people: 5 stories, 11 comments · first 2022-09-04 · latest 2025-07-10

Mentions per year 16 mentions · busiest year 2024 (7)
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  1. …probably write a post showing how to do this. Another also-much-better alternative is Samply ( https://github.com/mstange/samply ) which uses the Firefox Profiler as a GUI. I don't like it quite as much as pprof but it's clearly still much…
    comment by IshKebab · 2025-07-10 · in Optimizing a Math Expression Parser in Rust
  2. You can also use https://github.com/mstange/samply to make recording and viewing in the Firefox profiler easier. It will spin up a localhost server after the trace ends, the profiler uses the localhost server and nothing is shared with…
    comment by landr0id · 2025-06-06 · in How we decreased GitLab repo backup times from 48 hours to 41 minutes
  3. …data to Firefox Profiler that I've had better results with compared to the regular import. [0]: https://github.com/mstange/samply
    comment by pityJuke · 2025-05-22 · in Hotspot: Linux `perf` GUI for performance analysis
  4. ▲ 1
    samply: Command-line sampling profiler for macOS, Linux, and Windows
    story by croemer · 2025-04-10 · 1 comment
  5. I can really recommend samply: https://github.com/mstange/samply . It just works out of the box. It uses the Firefox profiler to view its recorded profiles. You can (don't have to, just can) even share them, I was looking at this profile…
    comment by orlp · 2024-12-25 · in Navtive FlameGraphViewer
  6. …marked unsafe). So yes, they look formally similar, but the difference in practice is enormous. [1] https://github.com/mstange/samply
    comment by sunshowers · 2024-12-02 · in RAII and the Rust/Linux Drama
  7. …for C, C++ and Rust. [0]: https://gist.github.com/neon-sunset/72e6aa57c6a4c5eb0e2711e1... [1]: https://github.com/mstange/samply [2]: https://github.com/search?q=repo%3ARyujinx%2FRyujinx+ref+str... [3]:…
    comment by neonsunset · 2024-08-12 · in Go structs are copied on assignment (and other things about Go I'd missed)
  8. ▲ 1
    Samply, a cross-platform command line CPU profiler
    story by orlp · 2024-07-02 · 0 comments
  9. …on any performance critical low-level code without a good sampling profiler. I'm pretty happy with https://github.com/mstange/samply . It worked out-of-the-box on Linx and MacOS, even on Windows after installing directly from the repo…
    comment by orlp · 2024-06-14 · in Scan HTML faster with SIMD instructions – Chrome edition
  10. …more convenient than dotTrace for preliminary perf work and is usually more than sufficient). [0] https://github.com/mstange/samply
    comment by neonsunset · 2024-04-22 · in The Performance Impact of C++'s `final` Keyword
  11. …stacks won't be unwound, as the size of the process stack the kernel sends is quite limited. - [0]: https://github.com/mstange/samply
    comment by javierhonduco · 2024-03-17 · in The return of the frame pointers
  12. ▲ 2
    Samply: Command-line sampling profiler for macOS and Linux
    story by sbt567 · 2023-08-22 · 0 comments
  13. ▲ 3
    samply: Command line CPU profiler which uses the Firefox profiler as its UI
    story by asicsp · 2023-08-18 · 0 comments
  14. …https://share.firefox.dev/3j3PJoK Firefox Profiler: https://github.com/firefox-devtools/profiler 0: https://github.com/mstange/samply
    comment by dceddia · 2023-03-06 · in Firefox Profiler
  15. …space, and as the author pointed out, it also has a lot of IO overhead. As an alternative approach, https://github.com/mstange/samply processes data streamed from perf and unwinds it in realtime. The unwinding overhead is surprisingly low:…
    comment by ishitatsuyuki · 2023-02-15 · in Frame pointers vs. DWARF – my verdict
  16. ▲ 1
    Samply: A work in progress of a command-line profiler for macOS and Linux
    story by tosh · 2022-09-04 · 0 comments