php xhprof使用实例详解

[xhprof]
extension = xhprof.so
xhprof.output_dir = /tmp/xhprof ;性能分析数据文件存放位置 需要php用户有可写可读权限

xhprof_enable(XHPROF_FLAGS_NO_BUILTINS +
XHPROF_FLAGS_CPU +
     XHPROF_FLAGS_MEMORY);
register_shutdown_function(function (){
$data = xhprof_disable();  
  //xhprof_lib 在第一步git clone 后的文件夹里面 
  include '/mnt/d//xhprof/xhprof_lib/utils/xhprof_lib.php';
  include '/mnt/d//xhprof/xhprof_lib/utils/xhprof_runs.php';
  $objXhprofRun = new XHProfRuns_Default();
  $objXhprofRun->save_run($data, "table"); //生成数据文件后缀
});

<VirtualHost :80>
  ServerName xhprof.
  ## xhprof/xhprof_html 在第一步git clone 后的文件夹里面
  DocumentRoot "/mnt/d//xhprof/xhprof_html"
  DirectoryIndex index.html index.php index.html
  <Directory "/mnt/d//xhprof/xhprof_html">
     Options Indexes FollowSymLinks
     AllowOverride All
     Require all granted
  </Directory>
 </VirtualHost>