> -----Original Message-----
> From: a...@ashleysheridan.co.uk [mailto:a...@ashleysheridan.co.uk]
> Sent: Monday, January 17, 2011 2:36 AM
> To: Tanoor Dieng; php-general@lists.php.net
> Subject: Re: [PHP] How to get cpu consumption of a php script
> I can't think of anything except using top or ps. If you can't guarantee what
> process runs what individual script, are you able to just track them all
> globally, and check for differences as you start and stop scripts. Perhaps run
> certain scripts under different users which should give them their own pid (i
> believe, but not tested this) that let's you track them more easily.
> Thanks,
> Ash
> http://www.ashleysheridan.co.uk
> ----- Reply message -----
> From: "Tanoor Dieng" <newstan...@gmail.com>
> Date: Mon, Jan 17, 2011 10:23
> Subject: [PHP] How to get cpu consumption of a php script
> To: <php-general@lists.php.net>
> Hi everybody,
> I'm a php developper for a high traffic website. Our web servers run with
> lightty?
> We have some issues with the cpu consumption of our servers.
> The problem is that, we don't know exactly which script consumes so much
> cpu.
> So, we cant to figure out how much cpu does a php script take.
> We have tried 3 methods:
> 1) Microtime: microtime at the beginning and at the end and make the diff.
> The problem with that is that it takes the execution time of the script, but 
> in
> our script we make:
> - connection to database
> - connection to memcache
> - connection to session server
> All of this is not taken into account, so microtime is not that accurate
> 2) Shell command: we get the pid of the process executing the script and
> make a 'top' on this pid . The problem  is that the php-cgi manages many
> threads so it's not accurate too.
> Is there other methods for dealing with this problem.
> Thanks,
> best regards,
> Tanoor.

This is untested.  Within the same script, you could use [1] or similar and 
combine with shellexec ps/top to get what you need.  I think this would give 
you a better result.


[1] php.net/function.getmypid

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