Use measureTimeMillis function

[ramonPires]

Here https://github.com/uberto/kakomu/blob/31f784a3057670321585a89105784d1f40627377/src/main/kotlin/com/gamasoft/kakomu/Performance.kt#L10 instead of create a function to measure the execution of a method in milliseconds you can use measureTimeMillis function, a good reference that can help you https://medium.com/@jshvarts/basics-of-measuring-performance-in-kotlin-e1dec6c0fa95.