kurtpayne · March 9, 2012 22:43
diff --git a/class.p3-profile-reader.php b/class.p3-profile-reader.php
 <?php
 if ( !defined('P3_PATH') )
 	die( 'Forbidden ');

 /**
 * Performance Profile Reader
 *
 * @author GoDaddy.com
 * @version 1.0
 * @package P3_Profiler
 */
 class P3_Profile_Reader {

 	/**
 	 * Total site load time (profile + theme + core + plugins)
 	 * @var float
 	 */
 	public $total_time = 0;

 	/**
 	 * Total site load time (theme + core + plugins - profile)
 	 * @var float
 	 */
 	public $site_time = 0;

 	/**
 	 * Time spent in themes
 	 * Calls which spend time in multiple areas are prioritized prioritized
 	 * first as plugins, second as themes, lastly as core.
 	 * @var float
 	 */
 	public $theme_time = 0;

 	/**
 	 * Time spent in plugins.
 	 * Calls which spend time in multiple areas are prioritized prioritized
 	 * first as plugins, second as themes, lastly as core.
 	 * @var float
 	 */
 	public $plugin_time = 0;

 	/**
 	 * Time spent in the profiler code.
 	 * @var float
 	 */
 	public $profile_time = 0;

 	/**
 	 * Time spent in themes
 	 * Calls which spend time in multiple areas are prioritized prioritized
 	 * first as plugins, second as themes, lastly as core.
 	 * @var float
 	 */
 	public $core_time = 0;

 	/**
 	 * Memory usage per visit as reported by memory_get_peak_usage(true)
 	 * @var float
 	 */
 	public $memory = 0;

 	/**
 	 * Number of plugin related function calls (does not include php internal
 	 * calls due to a limitation of how the tick handler works)
 	 * @var int
 	 */
 	public $plugin_calls = 0;

 	/**
 	 * Extracted URL from the profile
 	 * @var string
 	 */
 	public $report_url = '';

 	/**
 	 * Extracted date from the first visit in the profile
 	 * @var int
 	 */
 	public $report_date = '';
 	
 	/**
 	 * Total number of mysql queries as reported by get_num_queries()
 	 * @var int
 	 */
 	public $queries = 0;

 	/**
 	 * Total number of visits recorded in the profile
 	 * @var int
 	 */
 	public $visits = 0;

 	/**
 	 * List of detected plugins
 	 * @var array
 	 */
 	public $detected_plugins = array();
 	
 	/**
 	 * Array of total time spent in each plugin
 	 * key = plugin name
 	 * value = seconds (float)
 	 * @var array
 	 */
 	public $plugin_times = array();

 	/**
 	 * Theme name, as determined from the file path
 	 * @var string
 	 */
 	public $theme_name = '';

 	/**
 	 * Averaged values for the report
 	 * @var array
 	 */
 	public $averages = array(
 		'total' => 0,
 		'site' => 0,
 		'core' => 0,
 		'plugins' => 0,
 		'profile' => 0,
 		'theme' => 0,
 		'memory' => 0,
 		'plugin_calls' => 0,
 		'queries' => 0,
 		'observed' => 0,
 		'expected' => 0,
 		'drift' => 0,
 		'plugin_impact' => 0,
 	);

 	/**
 	 * Internal profile data
 	 * @var array
 	 */
 	private $_data = array();
 	
 	/**
 	 * Scan name, correlates to a file name, with .json stripped off
 	 * @var string
 	 */
 	public $profile_name = '';

 	/**
 	 * Constructor
 	 * @param string $file Full path to the profile json file
 	 * @return P3_Profile_Reader
 	 */
 	public function __construct( $file ) {

 		// Open the file
 		$fp = fopen( $file, 'r' );
 		if ( FALSE === $fp ) {
 			throw new Exception( 'Cannot open ' . $file );
 		}
 		
 		// Decode each line.  Each line is a separate json object.  Whenever a
 		// a visit is recorded, a new line is added to the file.		
 		while ( !feof( $fp ) ) {
 			$line = fgets( $fp );
 			if ( empty( $line) ) {
 				continue;
 			}
 			$tmp = json_decode( $line );
 			if ( null === $tmp ) {
 				throw new Exception( 'Cannot parse ' . $file );
 				fclose( $fp );
 			}
 			$this->_data[] = $tmp;
 		}
 		
 		// Close the file
 		fclose( $fp );
 		
 		// Set the profile name
 		$this->profile_name = preg_replace( '/\.json$/', '', basename ( $file ) );
 		
 		// Parse the data
 		$this->_parse();
 	}

 	/**
 	 * Parse from $this->_data and fill in the rest of the member vars
 	 * @return void
 	 */
 	private function _parse() {

 		// Check for empty data
 		if ( empty( $this->_data ) ) {
 			throw new P3_Profile_No_Data_Exception('No visits recorded during this profiling session.');
 		}
 		
 		foreach ( $this->_data as $o ) {
 			// Set report meta-data
 			if ( empty( $this->report_date ) ) {
 				$this->report_date = strtotime( $o->date );
 				$scheme            = parse_url( $o->url, PHP_URL_SCHEME );
 				$host              = parse_url( $o->url, PHP_URL_HOST );
 				$path              = parse_url( $o->url, PHP_URL_PATH );
 				$this->report_url  = sprintf( '%s://%s%s', $scheme, $host, $path );
 				$this->visits      = count( $this->_data );
 			}
 			
 			// Set total times / queries / function calls
 			$this->total_time   += $o->runtime->total;
 			$this->site_time    += ( $o->runtime->total - $o->runtime->profile );
 			$this->theme_time   += $o->runtime->theme;
 			$this->plugin_time  += $o->runtime->plugins;
 			$this->profile_time += $o->runtime->profile;
 			$this->core_time    += $o->runtime->wordpress;
 			$this->memory       += $o->memory;
 			$this->plugin_calls += $o->stacksize;
 			$this->queries      += $o->queries;
 			
 			// Loop through the plugin data
 			foreach ( $o->runtime->breakdown as $k => $v ) {
 				if ( !array_key_exists( $k, $this->plugin_times ) ) {
 					$this->plugin_times[$k] = 0;
 				}
 				$this->plugin_times[$k] += $v;
 			}
 		}

 		// Fix plugin names and average out plugin times
 		$tmp                = $this->plugin_times;
 		$this->plugin_times = array();
 		foreach ( $tmp as $k => $v ) {
 			$k = $this->_get_plugin_name( $k );
 			$this->plugin_times[$k] = $v / $this->visits;
 		}

 		// Get a list of the plugins we detected
 		$this->detected_plugins = array_keys( $this->plugin_times );
 		sort( $this->detected_plugins );

 		// Calculate the averages
 		$this->_get_averages();
 		
 		// Get theme name
 		if ( property_exists( $this->_data[0], 'theme_name') ) {
 			$this->theme_name = str_replace( realpath( WP_CONTENT_DIR . '/themes/' ), '', realpath( $this->_data[0]->theme_name ) );
 			$this->theme_name = preg_replace('|^[\\\/]+([^\\\/]+)[\\\/]+.*|', '$1', $this->theme_name);
 			$this->theme_name = $this->_get_theme_name( $this->theme_name );
 		} else {
 			$this->theme_name = 'unknown';
 		}
 	}

 	/**
 	 * Calculate the average values
 	 * @return void
 	 */
 	private function _get_averages() {
 		if ( $this->visits <= 0 ) {
 			return;
 		}
 		$this->averages = array(
 			'total'         => $this->total_time / $this->visits,
 			'site'          => ( $this->total_time - $this->profile_time ) / $this->visits,
 			'core'          => $this->core_time / $this->visits,
 			'plugins'       => $this->plugin_time / $this->visits,
 			'profile'       => $this->profile_time / $this->visits,
 			'theme'         => $this->theme_time / $this->visits,
 			'memory'        => $this->memory / $this->visits,
 			'plugin_calls'  => $this->plugin_calls / $this->visits,
 			'queries'       => $this->queries / $this->visits,
 			'observed'      => $this->total_time / $this->visits,
 			'expected'      => ( $this->theme_time + $this->core_time + $this->profile_time + $this->plugin_time) / $this->visits,
 		);
 		$this->averages['drift']         = $this->averages['observed'] - $this->averages['expected'];
 		$this->averages['plugin_impact'] = $this->averages['plugins'] / $this->averages['site'] * 100;
 	}

 	/**
 	 * Return a list of runtimes times by url
 	 * Where the key is the url and the value is an array of runtime values
 	 * in seconds (float)
 	 * @return array
 	 */
 	public function get_stats_by_url() {
 		$ret = array();
 		foreach ( $this->_data as $o ) {
 			$tmp = array(
 				'url'       => $o->url,
 				'core'      => $o->runtime->wordpress,
 				'plugins'   => $o->runtime->plugins,
 				'profile'   => $o->runtime->profile,
 				'theme'     => $o->runtime->theme,
 				'queries'   => $o->queries,
 				'breakdown' => array()
 			);
 			foreach ( $o->runtime->breakdown as $k => $v ) {
 				$name = $this->_get_plugin_name( $k );
 				if ( !array_key_exists( $name, $tmp['breakdown'] ) ) {
 					$tmp['breakdown'][$name] = 0;
 				}
 				$tmp['breakdown'][$name] += $v;
 			}
 			$ret[] = $tmp;
 		}
 		return $ret;
 	}
 	
 	/**
 	 * Translate a plugin name
 	 * Uses get_plugin_data if available.
 	 * @param string $plugin Plugin name (possible paths will be guessed)
 	 * @return string
 	 */
 	private function _get_plugin_name( $plugin ) {
 		if ( function_exists( 'get_plugin_data' ) ) {
 			$plugin_info = array();
 			$possible_paths = array(
 				WP_PLUGIN_DIR . "/$plugin.php",
 				WP_PLUGIN_DIR . "/$plugin/$plugin.php",
 				WPMU_PLUGIN_DIR . "/$plugin.php"
 			);
 			foreach ( $possible_paths as $path ) {
 				if ( file_exists( $path ) ) {
 					$plugin_info = get_plugin_data( $path );
 					if ( !empty( $plugin_info ) && !empty( $plugin_info['Name'] ) ) {
 						return $plugin_info['Name'];
 					}
 				}
 			}
 		}
 		return $this->_format_name( $plugin );
 	}

 	/**
 	 * Translate a theme name
 	 * Uses get_theme_data if available.
 	 * @param string $plugin Theme name (possible path will be guessed)
 	 * @return string
 	 */
 	private function _get_theme_name( $theme ) {
 		if ( function_exists( 'get_theme_data' ) && file_exists( WP_CONTENT_DIR . '/themes/' . $theme . '/style.css' ) ) {
 			$theme_info = get_theme_data( WP_CONTENT_DIR . '/themes/' . $theme . '/style.css' );
 			if ( !empty( $theme_info ) && !empty( $theme_info['Name'] ) ) {
 				return $theme_info['Name'];
 			}
 		}
 		return $this->_format_name( $theme );
 	}
 	
 	/**
 	 * Format plugin / theme name.  This is only to be used if
 	 * get_plugin_data() / get_theme_data() aren't available or if the
 	 * original files are missing
 	 * @param string $name
 	 * @return string
 	 */
 	private function _format_name( $name ) {
 		return ucwords( str_replace( array( '-', '_' ), ' ', $name ) );
 	}
 }
	<?php
	if ( !defined('P3_PATH') )
	die( 'Forbidden ');

	/**
	* Performance Profile Reader
	*
	* @author GoDaddy.com
	* @version 1.0
	* @package P3_Profiler
	*/
	class P3_Profile_Reader {

	/**
	* Total site load time (profile + theme + core + plugins)
	* @var float
	*/
	public $total_time = 0;

	/**
	* Total site load time (theme + core + plugins - profile)
	* @var float
	*/
	public $site_time = 0;

	/**
	* Time spent in themes
	* Calls which spend time in multiple areas are prioritized prioritized
	* first as plugins, second as themes, lastly as core.
	* @var float
	*/
	public $theme_time = 0;

	/**
	* Time spent in plugins.
	* Calls which spend time in multiple areas are prioritized prioritized
	* first as plugins, second as themes, lastly as core.
	* @var float
	*/
	public $plugin_time = 0;

	/**
	* Time spent in the profiler code.
	* @var float
	*/
	public $profile_time = 0;

	/**
	* Time spent in themes
	* Calls which spend time in multiple areas are prioritized prioritized
	* first as plugins, second as themes, lastly as core.
	* @var float
	*/
	public $core_time = 0;

	/**
	* Memory usage per visit as reported by memory_get_peak_usage(true)
	* @var float
	*/
	public $memory = 0;

	/**
	* Number of plugin related function calls (does not include php internal
	* calls due to a limitation of how the tick handler works)
	* @var int
	*/
	public $plugin_calls = 0;

	/**
	* Extracted URL from the profile
	* @var string
	*/
	public $report_url = '';

	/**
	* Extracted date from the first visit in the profile
	* @var int
	*/
	public $report_date = '';

	/**
	* Total number of mysql queries as reported by get_num_queries()
	* @var int
	*/
	public $queries = 0;

	/**
	* Total number of visits recorded in the profile
	* @var int
	*/
	public $visits = 0;

	/**
	* List of detected plugins
	* @var array
	*/
	public $detected_plugins = array();

	/**
	* Array of total time spent in each plugin
	* key = plugin name
	* value = seconds (float)
	* @var array
	*/
	public $plugin_times = array();

	/**
	* Theme name, as determined from the file path
	* @var string
	*/
	public $theme_name = '';

	/**
	* Averaged values for the report
	* @var array
	*/
	public $averages = array(
	'total' => 0,
	'site' => 0,
	'core' => 0,
	'plugins' => 0,
	'profile' => 0,
	'theme' => 0,
	'memory' => 0,
	'plugin_calls' => 0,
	'queries' => 0,
	'observed' => 0,
	'expected' => 0,
	'drift' => 0,
	'plugin_impact' => 0,
	);

	/**
	* Internal profile data
	* @var array
	*/
	private $_data = array();

	/**
	* Scan name, correlates to a file name, with .json stripped off
	* @var string
	*/
	public $profile_name = '';

	/**
	* Constructor
	* @param string $file Full path to the profile json file
	* @return P3_Profile_Reader
	*/
	public function __construct( $file ) {

	// Open the file
	$fp = fopen( $file, 'r' );
	if ( FALSE === $fp ) {
	throw new Exception( 'Cannot open ' . $file );
	}

	// Decode each line. Each line is a separate json object. Whenever a
	// a visit is recorded, a new line is added to the file.
	while ( !feof( $fp ) ) {
	$line = fgets( $fp );
	if ( empty( $line) ) {
	continue;
	}
	$tmp = json_decode( $line );
	if ( null === $tmp ) {
	throw new Exception( 'Cannot parse ' . $file );
	fclose( $fp );
	}
	$this->_data[] = $tmp;
	}

	// Close the file
	fclose( $fp );

	// Set the profile name
	$this->profile_name = preg_replace( '/\.json$/', '', basename ( $file ) );

	// Parse the data
	$this->_parse();
	}

	/**
	* Parse from $this->_data and fill in the rest of the member vars
	* @return void
	*/
	private function _parse() {

	// Check for empty data
	if ( empty( $this->_data ) ) {
	throw new P3_Profile_No_Data_Exception('No visits recorded during this profiling session.');
	}

	foreach ( $this->_data as $o ) {
	// Set report meta-data
	if ( empty( $this->report_date ) ) {
	$this->report_date = strtotime( $o->date );
	$scheme = parse_url( $o->url, PHP_URL_SCHEME );
	$host = parse_url( $o->url, PHP_URL_HOST );
	$path = parse_url( $o->url, PHP_URL_PATH );
	$this->report_url = sprintf( '%s://%s%s', $scheme, $host, $path );
	$this->visits = count( $this->_data );
	}

	// Set total times / queries / function calls
	$this->total_time += $o->runtime->total;
	$this->site_time += ( $o->runtime->total - $o->runtime->profile );
	$this->theme_time += $o->runtime->theme;
	$this->plugin_time += $o->runtime->plugins;
	$this->profile_time += $o->runtime->profile;
	$this->core_time += $o->runtime->wordpress;
	$this->memory += $o->memory;
	$this->plugin_calls += $o->stacksize;
	$this->queries += $o->queries;

	// Loop through the plugin data
	foreach ( $o->runtime->breakdown as $k => $v ) {
	if ( !array_key_exists( $k, $this->plugin_times ) ) {
	$this->plugin_times[$k] = 0;
	}
	$this->plugin_times[$k] += $v;
	}
	}

	// Fix plugin names and average out plugin times
	$tmp = $this->plugin_times;
	$this->plugin_times = array();
	foreach ( $tmp as $k => $v ) {
	$k = $this->_get_plugin_name( $k );
	$this->plugin_times[$k] = $v / $this->visits;
	}

	// Get a list of the plugins we detected
	$this->detected_plugins = array_keys( $this->plugin_times );
	sort( $this->detected_plugins );

	// Calculate the averages
	$this->_get_averages();

	// Get theme name
	if ( property_exists( $this->_data[0], 'theme_name') ) {
	$this->theme_name = str_replace( realpath( WP_CONTENT_DIR . '/themes/' ), '', realpath( $this->_data[0]->theme_name ) );
	$this->theme_name = preg_replace('\|^[\\\/]+([^\\\/]+)[\\\/]+.*\|', '$1', $this->theme_name);
	$this->theme_name = $this->_get_theme_name( $this->theme_name );
	} else {
	$this->theme_name = 'unknown';
	}
	}

	/**
	* Calculate the average values
	* @return void
	*/
	private function _get_averages() {
	if ( $this->visits <= 0 ) {
	return;
	}
	$this->averages = array(
	'total' => $this->total_time / $this->visits,
	'site' => ( $this->total_time - $this->profile_time ) / $this->visits,
	'core' => $this->core_time / $this->visits,
	'plugins' => $this->plugin_time / $this->visits,
	'profile' => $this->profile_time / $this->visits,
	'theme' => $this->theme_time / $this->visits,
	'memory' => $this->memory / $this->visits,
	'plugin_calls' => $this->plugin_calls / $this->visits,
	'queries' => $this->queries / $this->visits,
	'observed' => $this->total_time / $this->visits,
	'expected' => ( $this->theme_time + $this->core_time + $this->profile_time + $this->plugin_time) / $this->visits,
	);
	$this->averages['drift'] = $this->averages['observed'] - $this->averages['expected'];
	$this->averages['plugin_impact'] = $this->averages['plugins'] / $this->averages['site'] * 100;
	}

	/**
	* Return a list of runtimes times by url
	* Where the key is the url and the value is an array of runtime values
	* in seconds (float)
	* @return array
	*/
	public function get_stats_by_url() {
	$ret = array();
	foreach ( $this->_data as $o ) {
	$tmp = array(
	'url' => $o->url,
	'core' => $o->runtime->wordpress,
	'plugins' => $o->runtime->plugins,
	'profile' => $o->runtime->profile,
	'theme' => $o->runtime->theme,
	'queries' => $o->queries,
	'breakdown' => array()
	);
	foreach ( $o->runtime->breakdown as $k => $v ) {
	$name = $this->_get_plugin_name( $k );
	if ( !array_key_exists( $name, $tmp['breakdown'] ) ) {
	$tmp['breakdown'][$name] = 0;
	}
	$tmp['breakdown'][$name] += $v;
	}
	$ret[] = $tmp;
	}
	return $ret;
	}

	/**
	* Translate a plugin name
	* Uses get_plugin_data if available.
	* @param string $plugin Plugin name (possible paths will be guessed)
	* @return string
	*/
	private function _get_plugin_name( $plugin ) {
	if ( function_exists( 'get_plugin_data' ) ) {
	$plugin_info = array();
	$possible_paths = array(
	WP_PLUGIN_DIR . "/$plugin.php",
	WP_PLUGIN_DIR . "/$plugin/$plugin.php",
	WPMU_PLUGIN_DIR . "/$plugin.php"
	);
	foreach ( $possible_paths as $path ) {
	if ( file_exists( $path ) ) {
	$plugin_info = get_plugin_data( $path );
	if ( !empty( $plugin_info ) && !empty( $plugin_info['Name'] ) ) {
	return $plugin_info['Name'];
	}
	}
	}
	}
	return $this->_format_name( $plugin );
	}

	/**
	* Translate a theme name
	* Uses get_theme_data if available.
	* @param string $plugin Theme name (possible path will be guessed)
	* @return string
	*/
	private function _get_theme_name( $theme ) {
	if ( function_exists( 'get_theme_data' ) && file_exists( WP_CONTENT_DIR . '/themes/' . $theme . '/style.css' ) ) {
	$theme_info = get_theme_data( WP_CONTENT_DIR . '/themes/' . $theme . '/style.css' );
	if ( !empty( $theme_info ) && !empty( $theme_info['Name'] ) ) {
	return $theme_info['Name'];
	}
	}
	return $this->_format_name( $theme );
	}

	/**
	* Format plugin / theme name. This is only to be used if
	* get_plugin_data() / get_theme_data() aren't available or if the
	* original files are missing
	* @param string $name
	* @return string
	*/
	private function _format_name( $name ) {
	return ucwords( str_replace( array( '-', '_' ), ' ', $name ) );
	}
	}