[javierhonduco]

Curious to hear more about this. Full disclosure: I designed and implemented .eh_frame unwinding when I worked at Polar Signals.

[int_19h]

I think I might have confused two unrelated posts. The one that references Polar Signals is this one:

https://gitlab.com/freedesktop-sdk/freedesktop-sdk/-/issues/...

So not a perf issue there, but they don't think the workflow is suitable for whole-system profiling. Perf issues were in the context of `perf` using DWARF:

https://gitlab.com/freedesktop-sdk/freedesktop-sdk/-/issues/...