What is the meaning of Instrumentation?

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

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

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

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

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

instrumentation

instrumentation (arrangement of musical instruments)

instrumentation (providing with instruments, for observation, measuring, or the like)

Source: wiktionary.org