Functions view
The Functions view shows a flat profile of the functions in your program.
 
The first three columns show different measures of the time spent in a given function:
- Self shows the time spent in code in the given function itself, but not its callees, that is, not in the other functions called by that function. 
- Total shows the time spent in code in the given function itself, and all its callees. 
- Child shows the time spent in the given function’s callees only. 
You can use the Functions view to find costly functions that are called from many different places.