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Easy Intel Processor Trace Visualizer

License: MIT License

Makefile 0.21% OCaml 69.97% Standard ML 2.13% C 27.70%

magic-trace's Introduction

magic-trace

magic-trace is a tool for diagnosing tricky performance issues using Intel Processor Trace. You tell it a function and attach it to a running process, and when that function is called it'll detach and give you a visualization of everything that happened in the around 10ms leading up to that function call. Here's me zoomed in to about 10us of this data, but it has timing resolution of around 40ns:

10us of OCaml program startup

See the tutorial for more on how to use it.

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