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It's cool to see things like interrupt.memfault.com/blog/trice (and zephyr's version) becoming common for C folks as well. As far as I can tell, the "deferred logging revolution" seems to have all started with

@FerrousSystems

' #knurling defmt tool, but there's always SOME prior art :)

interrupt.memfault.com

Tracing & Logging with the TRICE Library (Interrupts too!)

Best practices on embedded logging and tracing and an introduction to the open-source library Trice

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Cool! I went through a similar process. Eventually decided that adding complexity of an extra build step was not worth it so I started converting the performance sensitive statements to binary logs.

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I do wonder though. Is this an actual parser, or a regexp hack?

1:36 PM · Jan 13, 2022Twitter Web App

James "Undocumented Errata" Munns

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No idea how the TRACE library works. defmt works by placing the interned strings into an unused linker section, and decodes it automatically when you give it an ELF file and a stream of logs.

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Oh nice. I tried something like that for C but couldn't figure it out how to do it for const strings.

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