Wordpress Theme Debugging Code - Helping to debug larger complex themes - http://www.braunson.ca/blog/posts/debugging-a-complex-wordpress-theme

debug-wp.php

<?php

  $included_files = get_included_files();
  $stylesheet_dir = str_replace( '\\', '/', get_stylesheet_directory() );
  $template_dir   = str_replace( '\\', '/', get_template_directory() );
   
  foreach ( $included_files as $key => $path ) {
   
      $path   = str_replace( '\\', '/', $path );
   
      if ( false === strpos( $path, $stylesheet_dir ) && false === strpos( $path, $template_dir ) )
          unset( $included_files[$key] );
  }
   
  print_r( $included_files );

?>