Function note_sample_dropped_too_small 

pub fn note_sample_dropped_too_small() -> u32

Always 0 without the record, and the CALLER must not care.

nros-cpp’s take path throttles its log on its OWN counter, never on this return value, precisely so that an image built without the report keeps the log behaviour an image built with it has. A stub that decided the throttle would make the diagnostic depend on the diagnostic.