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gecko-dev/third_party/rust/tracy-rs
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Glenn Watson 1d0e9e389a Bug 1622720 - Add support for the tracy frame profiler to webrender. r=nical,jrmuizel 
This patch removes the old thread_profiler bindings, and adds
support for profiling WR with the tracy profiler, which is a
much more advanced frame profiler.

Since it's very lightweight, and only instruments annotated CPU
and GPU zones, it can retain very large profiles, allowing
fine grained analysis of thread interactions, CPU spikes etc.

Differential Revision: https://phabricator.services.mozilla.com/D66926

--HG--
extra : moz-landing-system : lando
2020-03-16 22:24:33 +00:00
..
src
.cargo-checksum.json
Cargo.toml
LICENSE
README.md

README.md

tracy-rs

This provides a Rust integration for the Tracy profiling library (https://bitbucket.org/wolfpld/tracy).

Usage

  1. Clone the Tracy library from the above URL.
  2. Follow the steps to build the profiler GUI (e.g. in tracy/profiler/build/unix/).
  3. Follow the steps to build the profiler shared library (e.g. in tracy/library/unix).
  4. Add this crate to your project dependencies, with the 'enable_profiler' cargo feature.
  5. Call tracy_rs::load at the start of your application, providing path to library from (3).
  6. Insert the main frame marker tracy_frame_marker!(); at the end of your frame.
  7. Optionally, add sub-frame markers with tracy_begin_frame!() and tracy_end_frame!().
  8. Annotate functions to be profiled with profile_scope!().
  9. Run the application and profiler GUI.