Péter Gömöri

Profiling and Tracing for all with Xprof

In this talk Peter will briefly introduce XProf, an open-source visual profiler for Elixir, a new addition in the spectrum between complex monitoring software and clever, command-line tracing and debugging tools. XProf was originally created to help solve performance problems of live, highly concurrent and utilised back-end systems. However over time it has turned out to be useful for general ad hoc debugging, as it is capable of both intuitive visual feedback on bigger patterns and provide details if necessary. During the talk Peter will demystify tracing and match-specs, an extremely powerful toolset provided by the Erlang VM, and show how XProf makes it more accessible and easier to use for everyone. He will also tell attendees about some real-world production issues they managed to track down with this simple but awesome tool.

Talk objectives:

• Learn a new, painless way to investigate your live Elixir system.

Target audience:

• Engineers who would like to have (even) more insight.

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