I am having a problem with CPU usage on my website, and am looking for a way to detect (and fix) what is causing it. A topic not covered in this question.
Following on Hakre answer here, I now realize that what I need to do is profile my PHP calling.
Is it reasonable to put the website on my own computer, run the profiler, and use that information to improve my website?
Any other suggestions on how to do this in the best way?