From: Alex Young <alex@...>
Date: 2007-03-13T19:48:48+09:00
Subject: Re: Perfomance tuning

Emil Sandin wrote:
> Hi,
> I have an application that takes a little to long to execute. I would
> like to know  where I could gain most.
> 
> Whenever a metod is called, I would like to store the execution time and
> number of executions. Then, at the end of the applications execution,
> print it out. Something like:
> 
> Object1 =>
>    method1 => called 10 times, 30 milliseconds total time
>    method2 => called 1 times, 5 milliseconds total time
> Object2 =>
>    method1 => called 1 times, 2 milliseconds total time
>    method2 => called 30 times, 500 milliseconds total time
> ...
> 
> How would I do this?

Investigate 'profile' in the standard library 
(http://www.rubycentral.com/book/trouble.html) or ruby-prof 
(http://ruby-prof.rubyforge.org/).  Both do what you want, but the 
latter is more comprehensive.

-- 
Alex