Cross request trace for PHP,like google's dapper,twitter's zipkin.
It's base on AOP-PHP extension. PHPIO is focus on trace IO operation, such like Curl, MySQL, Memcache, Redis, APC.
It's easily write your own Hooker monitor function/class operation in 10 line code.

• Common
  connection's host and port, call trace, function args, response and error message.
• MySQL, PDO
  record raw SQL query stirng and affected rows.
• Curl
  record raw http header(request & response), and reporting the full infomation of time,speed and size.
• Memcached, Redis
  record key for operation, the real server where key is mapped to.
• Exception, Error
  record errno and errmsg for Exception and Error.
• Call Graph
  call graph is svg format, click map node redirect to source.
• Source viewer
  you can see all your source code which been executed.
• Cross Request Tracking
  A unique request_id is auto inject in Cookie for track http request from frontpage to webservice api, just use a Redis logger can collecting logs from all your php web servers.

DEMO

pecl install aop-beta

[aop]  
extension=aop.so 

if coredump ?

1. change you aop extension version (the pecl version is stable than github)
2. rebuild php

download tarball

wget https://github.com/hemon/phpio/tarball/master -O phpio.tar.gz  
tar xvf phpio.tar.gz  

or git clone

git clone https://hemon@github.com/hemon/phpio

php.ini

auto_prepend_file = /path/to/phpio/phpio.php  

php-fpm

php_admin_value[auto_prepend_file] = /path/to/phpio/phpio.php

run you php programs with param _debug_phpio=1

$_REQUEST['_debug_phpio']=1  
$_COOKIE['_debug_phpio']=1  
$_SERVER['_debug_phpio']=1  

for example : http://www.example.com/index.php?_debug_phpio=1

recommand firfox addon easy-xdebug, it can auto append user defined cookie param in request(default is _debug_phpio=1):

in php-cli mode, use export command to set param for $_SERVER

export _debug_phpio=1

make phpio/www is accessible:

http://localhost/phpio/www/