instrumentation vs stepping-stone

instrumentation

noun
  • The dynamic analysis of a program's performance and behaviour, usually by injecting profiling code into it. 

  • On a vehicle, dashboard gauges monitoring engine functions and performance, along with other essential functions. 

  • The act of using or adapting as an instrument; a series or combination of instruments. 

  • The act or manner of playing upon musical instruments; performance. 

  • The arrangement of a musical composition for performance by a number of different instruments; instrumental composition; composition for an orchestra or military band. 

stepping-stone

How often have the words instrumentation and stepping-stone occurred in a corpus of books? (source: Google Ngram Viewer )