最後更新: 2015-05-15

HomePage:

http://www.xdebug.org

Centos6 Package:

php-pecl-xdebug.i686                       2.1.4-2.el6

Configure:

/etc/php.d/xdebug.ini

# Default value: 1
# Load 這 module 入去 apache
xdebug.default_enable=1

設定

Trace

; When this setting is set to on, the tracing of function calls will be enabled
; just before the script is run. This makes it possible to trace code in the
; auto_prepend_file [1].
xdebug.auto_trace=1

每次 Call 都會建立 trace.*.xt

Profiler

# Default value: 0
# creates files in the profile output directory(xdebug.profiler_output_dir)
# Those files can be read by KCacheGrind to visualize your data.
xdebug.profiler_enable=0

# selectively enable the profiler
# XDEBUG_PROFILE GET/POST/cookie parameter
xdebug.profiler_enable_trigger=1

# Default value: /tmp
# Output debug info 到那目錄
xdebug.profiler_output_dir=/tmp

Usage

Call

  curl http://DOMAIN/?XDEBUG_PROFILE

就會有

  /tmp/cachegrind.out.PID

Web GUI

implements a subset of the features of kcachegrind

Window GUI viewer

WinCacheGrind

It is a viewer for cachegrind.out files generated by xdebug 2.

HP: https://ceefour.github.io/wincachegrind/

DL: https://github.com/ceefour/wincachegrind/releases/download/1.1/wincacheg...

kcachegrind

Homepage: http://kcachegrind.sourceforge.net/html/Home.html

Usage

The second column "Self" shows the time spend in this function (without its children),

The third column "Called" shows how often a specific function was called and

The last column "Function" shows the name of the function.

Xdebug changes internal PHP function names by prefixing the function name with "php::"

qcachegrind

The QCacheGrind branch of KCacheGrind compiled with the QT5 toolkit for use in Windows.

進階設定

trigger by GET()

trigger the generation of profiler files by using the XDEBUG_PROFILE GET/POST parameter with value "profiler_enable_trigger_value"

# In order to prevent the profiler to generate profile files for each request, you need to set xdebug.profiler_enable to 0.

xdebug.profiler_enable_trigger=1

# Default value: ""

xdebug.profiler_enable_trigger_value=8888

# 指定 output 名及 output 地方

xdebug.profiler_output_dir=/home/vhosts/xxx/public_html/xdebug

xdebug.profiler_output_name=callgrind.out.%H

%s             script name (cachegrind.out._home_httpd_html_test_xdebug_test_php)

%H            $_SERVER['HTTP_HOST']

Usage Example:

http://x.y/?XDEBUG_PROFILE=8888

DOC

http://www.xdebug.org/docs/