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- <?php
- //
- // +----------------------------------------------------------------------+
- // | PEAR :: Benchmark |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 2002-2003 Matthias Englert <Matthias.Englert@gmx.de>. |
- // +----------------------------------------------------------------------+
- // | This source file is subject to version 3.00 of the PHP License, |
- // | that is available at http://www.php.net/license/3_0.txt. |
- // | If you did not receive a copy of the PHP license and are unable to |
- // | obtain it through the world-wide-web, please send a note to |
- // | license@php.net so we can mail you a copy immediately. |
- // +----------------------------------------------------------------------+
- //
- // $Id: Profiler.php,v 1.6 2003/04/24 15:33:53 matthias Exp $
- //
-
- /**
- * Benchmark::Profiler
- *
- * Purpose:
- *
- * Timing Script Execution, Generating Profiling Information
- *
- * Example with automatic profiling start, stop, and output:
- *
- * $profiler =& new Benchmark_Profiler(true);
- * function myFunction() {
- * $profiler->enterSection('myFunction');
- * //do something
- * $profiler->leaveSection('myFunction');
- * return;
- * }
- * //do something
- * myFunction();
- * //do more
- *
- *
- * Example without automatic profiling:
- *
- * $profiler =& new Benchmark_Profiler();
- * function myFunction() {
- * $profiler->enterSection('myFunction');
- * //do something
- * $profiler->leaveSection('myFunction');
- * return;
- * }
- * $profiler->start();
- * //do something
- * myFunction();
- * //do more
- * $profiler->stop();
- * $profiler->display();
- *
- * @author Matthias Englert <Matthias.Englert@gmx.de>
- * @version $Revision: 1.6 $
- * @access public
- */
-
- require_once 'PEAR.php';
-
- class Benchmark_Profiler extends PEAR {
-
- /**
- * Contains the total ex. time of each section
- *
- * @var array
- * @access private
- */
- var $_sections = array();
-
- /**
- * Calling stack
- *
- * @var array
- * @access private
- */
- var $_stack = array();
-
- /**
- * Notes how often a section was entered
- *
- * @var array
- * @access private
- */
- var $_num_calls = array();
-
- /**
- * Notes for each section how much time is spend in sub-sections
- *
- * @var array
- * @access private
- */
- var $_sub_sections_time = array();
-
- /**
- * Notes for each section how often it calls which section
- *
- * @var array
- * @access private
- */
- var $_calls = array();
-
- /**
- * Notes for each section how often it was called by which section
- *
- * @var array
- * @access private
- */
- var $_callers = array();
-
- /**
- * Auto-starts and stops profiler
- *
- * @var boolean
- * @access private
- */
- var $_auto = false;
-
- /**
- * Max marker name length for non-html output
- *
- * @var integer
- * @access private
- */
- var $_strlen_max = 0;
-
- /**
- * Constructor, starts profiling recording
- *
- * @access public
- */
- function Benchmark_Profiler($auto = false) {
- $this->PEAR();
- if ($auto) {
- $this->auto = $auto;
- $this->start();
- }
- }
-
- /**
- * Destructor, stops profiling recording
- *
- * @access private
- */
- function _Benchmark_Profiler() {
- if (isset($this->auto)) {
- $this->stop();
- $this->display();
- }
- }
-
- /**
- * Returns profiling informations for a given section.
- *
- * @access public
- */
- function getSectionInformations($section = 'Global') {
- if (isset($this->_sections[$section])) {
-
- $calls = array();
- if (isset($this->_calls[$section])) {
- $calls = $this->_calls[$section];
- }
-
- $callers = array();
- if (isset($this->_callers[$section])) {
- $callers = $this->_callers[$section];
- }
-
- $informations = array();
- $informations['time'] = $this->_sections[$section];
- $informations['percentage'] = number_format(100 * $this->_sections[$section] / $this->_sections['Global'], 2, '.', '');
- $informations['calls'] = $calls;
- $informations['num_calls'] = $this->_num_calls[$section];
- $informations['callers'] = $callers;
- if (isset($this->_sub_sections_time[$section])) {
- $informations['netto_time'] = $this->_sections[$section] - $this->_sub_sections_time[$section];
- } else {
- $informations['netto_time'] = $this->_sections[$section];
- }
-
- return $informations;
- } else {
- $this->raiseError("The section '$section' does not exists.\n", null, PEAR_ERROR_TRIGGER, E_USER_WARNING);
- }
- }
-
- /**
- * Returns profiling informations for all sections.
- *
- * @access public
- */
- function getAllSectionsInformations() {
- $informations = array();
- foreach($this->_sections as $section => $time) {
- $informations[$section] = $this->getSectionInformations($section);
- }
-
- return $informations;
- }
-
- /**
- * Returns formatted profiling information.
- *
- * @see display()
- * @access private
- */
- function _getOutput() {
- if (function_exists('version_compare') &&
- version_compare(phpversion(), '4.1', 'ge')) {
- $http = isset($_SERVER['SERVER_PROTOCOL']);
- } else {
- global $HTTP_SERVER_VARS;
- $http = isset($HTTP_SERVER_VARS['SERVER_PROTOCOL']);
- }
- if ($http) {
- $out = "<table border=1>\n";
- $out .=
- '<tr><td> </td><td align="center"><b>total ex. time</b></td>'.
- '<td align="center"><b>netto ex. time</b></td>'.
- '<td align="center"><b>#calls</b></td><td align="center"><b>%</b></td>'.
- '<td align="center"><b>calls</b></td><td align="center"><b>callers</b></td></tr>'.
- "\n";
- } else {
- $dashes = $out =
- str_pad("\n", ($this->_strlen_max + 52), '-',
- STR_PAD_LEFT);
- $out .= str_pad('section', $this->_strlen_max);
- $out .= str_pad("total ex time", 22);
- $out .= str_pad("netto ex time", 22);
- $out .= str_pad("#calls", 22);
- $out .= "perct\n";
- $out .= $dashes;
- }
-
- $informations = $this->getAllSectionsInformations();
- foreach($informations as $name => $values) {
- $percentage = $values['percentage'];
- $calls_str = "";
- foreach($values['calls'] as $key => $val) {
- if ($calls_str) {
- $calls_str .= ", ";
- }
- $calls_str .= "$key ($val)";
- }
- $callers_str = "";
- foreach($values['callers'] as $key => $val) {
- if ($callers_str) {
- $callers_str .= ", ";
- }
- $callers_str .= "$key ($val)";
- }
- if ($http) {
- $out .=
- "<tr><td><b>$name</b></td><td>{$values['time']}</td><td>{$values['netto_time']}</td><td>{$values['num_calls']}</td>".
- "<td align=\"right\">{$values['percentage']}%</td>\n";
- $out .= "<td>$calls_str</td><td>$callers_str</td></tr>";
- } else {
- $out .= str_pad($name, $this->_strlen_max, ' ');
- $out .= str_pad($values['time'], 22);
- $out .= str_pad($values['netto_time'], 22);
- $out .= str_pad($values['num_calls'], 22);
- $out .=
- str_pad($values['percentage']."%\n", 8, ' ',
- STR_PAD_LEFT);
- }
- }
- $out .= "</table>";
- return $out;
- }
-
- /**
- * Returns formatted profiling information.
- *
- * @access public
- */
- function display() {
- echo $this->_getOutput();
- }
-
- /**
- * Enters "Global" section.
- *
- * @see enterSection(), stop()
- * @access public
- */
- function start() {
- $this->enterSection('Global');
- }
-
- /**
- * Leaves "Global" section.
- *
- * @see leaveSection(), start()
- * @access public
- */
- function stop() {
- $this->leaveSection('Global');
- }
-
- /**
- * Enters code section.
- *
- * @param string name of the code section
- * @see start(), leaveSection()
- * @access public
- */
- function enterSection($name) {
- if (count($this->_stack)) {
- if (isset($this->_callers[$name][$this->_stack[count($this->_stack) - 1]["name"]])) {
- $this->_callers[$name][$this->_stack[count($this->_stack) - 1]["name"]]++;
- } else {
- $this->_callers[$name][$this->_stack[count($this->_stack) - 1]["name"]] = 1;
- }
-
- if (isset($this->_calls[$this->_stack[count($this->_stack) - 1]["name"]][$name])) {
- $this->_calls[$this->_stack[count($this->_stack) - 1]["name"]][$name]++;
- } else {
- $this->_calls[$this->_stack[count($this->_stack) - 1]["name"]][$name] = 1;
- }
- }
-
- if (isset($this->_num_calls[$name])) {
- $this->_num_calls[$name]++;
- } else {
- $this->_num_calls[$name] = 1;
- }
-
- $microtime = explode(" ", microtime());
- $microtime = $microtime[1].substr($microtime[0], 1);
- array_push($this->_stack,
- array("name" => $name, "time" => $microtime));
- }
-
- /**
- * Leaves code section.
- *
- * @param string name of the marker to be set
- * @see stop(), enterSection()
- * @access public
- */
- function leaveSection($name) {
- $microtime = explode(" ", microtime());
- $microtime = $microtime[1].substr($microtime[0], 1);
- $x = array_pop($this->_stack);
- if ($x["name"] != $name) {
- $this->raiseError("reached end of section $name but expecting end of ".
- $x["name"]."\n",null,PEAR_ERROR_DIE);
- }
-
- if (isset($this->_sections[$name])) {
- $this->_sections[$name] += $microtime - $x["time"];
- } else {
- $this->_sections[$name] = $microtime - $x["time"];
- }
-
- $parent = array_pop($this->_stack);
- if (isset($parent)) {
- if (isset($this->_sub_sections_time[$parent['name']])) {
- $this->_sub_sections_time[$parent['name']] += $microtime - $x['time'];
- } else {
- $this->_sub_sections_time[$parent['name']] = $microtime - $x['time'];
- }
- array_push($this->_stack, $parent);
- }
- }
-
- }
-
- ?>