Tkinter GUI Application Development Blueprints, Second Edition - Second Edition

Profiling your program

Profiling involves generating detailed statistics to show how often and for how long various routines of a program execute. This helps you isolate the offending parts of a program, and those parts probably need redesigning.

Python provides a built-in module named cProfile, which enables the generation of detailed statistics pertaining to a program. The module gives details such as the total program running time, the time taken to run each function, and the number of times each function is called. These statistics make it easy to determine the parts of the code that need optimization.

In particular, cProfile provides the following data for a function or script:

• ncalls: This indicates the number of times a function is ...