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Haven't observed anything like that. Even with remote gdbserver on a low power embeddeded device, stepping has always been instant for me. Could be a C++ vs C thing.

The only thing which takes time is debuginfod downloads.




How large is your code base? I am talking about 100K+ LOC with many complex dependencies (mainly Qt modules).


2 Mio LOC, no problem here.

Sounds like maybe you have reverse-debugging enabled? I mean target record or target record-full?

Anyway, I seldom do step-by-step. I typically work with dprintf.


Are you talking heavily templated C++ code as well? I’ve got my suspicions about how much this affects things…


Nope, with reverse-debugging enabled it will be insanely slow, not something that you can miss.

I am curious does your project have large external dependencies or is it self-contained.




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