ExponentialDecayHistogram is used at run time in 9 crates (of which 3 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) ExponentialDecayHistogram version
100 3 witchcraft-metrics ^0.1.7
4 metrix ^0.1