MATLAB: How to use profiler view

Question

i want see the process timing and how much the program is taking to execute at all stages , so i tried using profiler view and if i give the whole programm in the space prvided to writ the program i am getting so error ,

so how to use profiler view and what are its significance .

Answer 1

I prefer the old style:

profile on
<run your program>
profile report
profile off