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# Thread Profiler

This is a simple CPU profiler for [WebRender](). It can write out the resutls in [Trace Event Format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/edit).

Read more about the usage and associated tools at https://aras-p.info/blog/2017/01/23/Chrome-Tracing-as-Profiler-Frontend/

## Hookup

Call `register_thread_with_profiler` for each thread.

Call `write_profile` when you need to save the results.

## View results

With Chrome: go to `chrome://tracing` and click on "Load".

Standalone: check out and compile [catapult](https://github.com/catapult-project/catapult/tree/master/tracing), then call `trace2html`.