From: Perry Smith <pedzsan@...>
Date: 2011-10-09T06:48:37+09:00
Subject: [ruby-core:40062] Re: Statistical Profiling

Looks interesting.  I wonder how much Ruby 1.9 I have in my code at this point.

I'll check it out further.  

Thanks!

On Oct 8, 2011, at 1:15 PM, Haase, Konstantin wrote:

> The Rubinius Agent can do that, even without slowing down the Ruby process.
> 
> Konstantin
> 
> On Oct 8, 2011, at 09:54 , Perry Smith wrote:
> 
>> Would it be plausible to somehow, get the (ruby) stack of the running ruby process (or a particular thread), periodically?  For example, every 10 seconds.
>> 
>> One approach might be to have a separate thread with a timer that popped and it would get the current stack for a particular thread (not itself).
>> 
>> The overall objective is to have a very light weight (low impact) technique for profiling a Rails app as it is running in production.  Over the course of a week, for example, gather enough statistics to understand where the app is spending the most time.
>> 
>> Of course, the other question is: has this already been done?  (I couldn't find anything.)
>> 
>> Thank you for your time,
>> pedz
>> 
>> 
> 
>