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Date: Wed, 13 Jun 2007 12:03:58 +0400
To: "Markus Fischer" <markus@fischer.name>
Cc: internals@lists.php.net
In-Reply-To: <466F9623.3050102@fischer.name>
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References: <466F9623.3050102@fischer.name>
Subject: Re: [PHP-DEV] [PHP4] Logging native PHP function calls
From: indeyets@gmail.com ("Alexey Zakhlestin")

http://xdebug.org/

On 6/13/07, Markus Fischer <markus@fischer.name> wrote:
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> Hi,
>
> I've this very very special problems and would ask for some hints, any
> helpful response is very appreciated :)
>
> The usual story: old system, big, clunky, legacy, PHP4, can't upgrade.
>
> We're having serious problems with MySQL and too many connections and so
> on, but we can't find out where the problematic cases are. We've gone
> already through lengthy auditing and logging sessions without real success.
>
> So my next idea: I go into the PHP source, in my case specifically into
> ext/mysql/php_mysql.c, reactive my old C skills and inject the logging
> of connects and queries directly into the source. Because, as ironic as
> it sounds, with the HUGE amount of code we have we still were not able
> to identify all places where mysql_(p)connect/mysql_query is used,
> because of using variable variables and other nice [tm] tricks.
>
> I understand my attempt is brute force and I'm pretty alone out there.
>
> So, actually I would start hacking away this very moment. But, if anyone
>  has other suggestion how to go for this, it would be very very much
> appreciated.
>
> thanks for reading,
> - - Markus
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-- 
Alexey Zakhlestin
http://blog.milkfarmsoft.com/