perfcnt is used at run time in 4 crates.

Number of dependers perfcnt version Downloads/month
2 0.8.0 600
1 0.6.0 32
1 0.5.1 44
Depender (with downloads and own rev deps) perfcnt version
6.7K 17 simd-json optional ^0.8
600 criterion-perf-events ^0.8.0
autoperf ^0.6
rayon_logs optional ^0.5