diff options
| author | xue <> | 2006-06-19 18:38:29 +0000 |
|---|---|---|
| committer | xue <> | 2006-06-19 18:38:29 +0000 |
| commit | 588727c7e2b8954ec3dbde293cf4c4d68b119f9b (patch) | |
| tree | fdcc16181a20335547953ccf1550e0006c11bf28 /buildscripts/Benchmark/Profiler.php | |
| parent | 127f78a4db3cc0fbbbb92f5b1abcfdce4a9af93b (diff) | |
Merge from 3.0 branch till 1185.
Diffstat (limited to 'buildscripts/Benchmark/Profiler.php')
| -rw-r--r-- | buildscripts/Benchmark/Profiler.php | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/buildscripts/Benchmark/Profiler.php b/buildscripts/Benchmark/Profiler.php new file mode 100644 index 00000000..e9108a84 --- /dev/null +++ b/buildscripts/Benchmark/Profiler.php @@ -0,0 +1,447 @@ +<?php
+//
+// +----------------------------------------------------------------------+
+// | PEAR :: Benchmark |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 2002-2006 Matthias Englert <Matthias.Englert@gmx.de>. |
+// +----------------------------------------------------------------------+
+// | This source file is subject to the New BSD license, That is bundled |
+// | with this package in the file LICENSE, and is available through |
+// | the world-wide-web at |
+// | http://www.opensource.org/licenses/bsd-license.php |
+// | If you did not receive a copy of the new BSDlicense 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 1.19 2006/03/01 19:26:09 anant Exp $
+//
+
+require_once 'PEAR.php';
+
+/**
+ * Provides timing and profiling information.
+ *
+ * Example 1: Automatic profiling start, stop, and output.
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Profiler.php';
+ *
+ * $profiler = new Benchmark_Profiler(TRUE);
+ *
+ * function myFunction() {
+ * global $profiler;
+ * $profiler->enterSection('myFunction');
+ * //do something
+ * $profiler->leaveSection('myFunction');
+ * return;
+ * }
+ *
+ * //do something
+ * myFunction();
+ * //do more
+ * ?>
+ * </code>
+ *
+ * Example 2: Manual profiling start, stop, and output.
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Profiler.php';
+ *
+ * $profiler = new Benchmark_Profiler();
+ *
+ * function myFunction() {
+ * global $profiler;
+ * $profiler->enterSection('myFunction');
+ * //do something
+ * $profiler->leaveSection('myFunction');
+ * return;
+ * }
+ *
+ * $profiler->start();
+ * //do something
+ * myFunction();
+ * //do more
+ * $profiler->stop();
+ * $profiler->display();
+ * ?>
+ * </code>
+ *
+ * @author Matthias Englert <Matthias.Englert@gmx.de>
+ * @copyright Copyright © 2002-2005 Matthias Englert <Matthias.Englert@gmx.de>
+ * @license http://www.php.net/license/3_0.txt The PHP License, Version 3.0
+ * @category Benchmarking
+ * @package Benchmark
+ * @since 1.2.0
+ */
+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 $_numberOfCalls = array();
+
+ /**
+ * Notes for each section how much time is spend in sub-sections
+ *
+ * @var array
+ * @access private
+ */
+ var $_subSectionsTime = 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 $_maxStringLength = 0;
+
+ /**
+ * Constructor, starts profiling recording
+ *
+ * @access public
+ */
+ function Benchmark_Profiler($auto = FALSE) {
+ $this->_auto = $auto;
+
+ if ($this->_auto) {
+ $this->start();
+ }
+
+ $this->PEAR();
+ }
+
+ /**
+ * Destructor, stops profiling recording
+ *
+ * @access private
+ */
+ function _Benchmark_Profiler() {
+ if (isset($this->_auto) && $this->_auto) {
+ $this->stop();
+ $this->display();
+ }
+ }
+
+ /**
+ * Returns profiling informations for a given section.
+ *
+ * @param string $section
+ * @return array
+ * @access public
+ */
+ function getSectionInformations($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];
+ if (isset($this->_sections['Global'])) {
+ $informations['percentage'] = number_format(100 * $this->_sections[$section] / $this->_sections['Global'], 2, '.', '');
+ } else {
+ $informations['percentage'] = 'N/A';
+ }
+ $informations['calls'] = $calls;
+ $informations['num_calls'] = $this->_numberOfCalls[$section];
+ $informations['callers'] = $callers;
+
+ if (isset($this->_subSectionsTime[$section])) {
+ $informations['netto_time'] = $this->_sections[$section] - $this->_subSectionsTime[$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.
+ *
+ * @return array
+ * @access public
+ */
+ function getAllSectionsInformations() {
+ $informations = array();
+
+ foreach($this->_sections as $section => $time) {
+ $informations[$section] = $this->getSectionInformations($section);
+ }
+
+ return $informations;
+ }
+
+ /**
+ * Returns formatted profiling information.
+ *
+ * @param string output format (auto, plain or html), default auto
+ * @see display()
+ * @access private
+ */
+ function _getOutput($format) {
+
+ /* Quickly find out the maximun length: Ineffecient, but will do for now! */
+ $informations = $this->getAllSectionsInformations();
+ $names = array_keys($informations);
+
+ $maxLength = 0;
+ foreach ($names as $name)
+ {
+ if ($maxLength < strlen($name)) {
+ $maxLength = strlen($name);
+ }
+ }
+ $this->_maxStringLength = $maxLength;
+
+ if ($format == 'auto') {
+ if (function_exists('version_compare') &&
+ version_compare(phpversion(), '4.1', 'ge')) {
+ $format = isset($_SERVER['SERVER_PROTOCOL']) ? 'html' : 'plain';
+ } else {
+ global $HTTP_SERVER_VARS;
+ $format = isset($HTTP_SERVER_VARS['SERVER_PROTOCOL']) ? 'html' : 'plain';
+ }
+ }
+
+ if ($format == 'html') {
+ $out = '<table style="border: 1px solid #000000; ">'."\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->_maxStringLength + 75), '-', STR_PAD_LEFT);
+ $out .= str_pad('Section', $this->_maxStringLength + 10);
+ $out .= str_pad("Total Ex Time", 22);
+ $out .= str_pad("Netto Ex Time", 22);
+ $out .= str_pad("#Calls", 10);
+ $out .= "Percentage\n";
+ $out .= $dashes;
+ }
+
+ foreach($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 ($val)";
+ }
+
+ if ($format == 'html') {
+ $out .= "<tr><td><b>$name</b></td><td>{$values['time']}</td><td>{$values['netto_time']}</td><td>{$values['num_calls']}</td>";
+ if (is_numeric($values['percentage'])) {
+ $out .= "<td align=\"right\">{$values['percentage']}%</td>\n";
+ } else {
+ $out .= "<td align=\"right\">{$values['percentage']}</td>\n";
+ }
+ $out .= "<td>$calls_str</td><td>$callers_str</td></tr>";
+ } else {
+ $out .= str_pad($name, $this->_maxStringLength + 10);
+ $out .= str_pad($values['time'], 22);
+ $out .= str_pad($values['netto_time'], 22);
+ $out .= str_pad($values['num_calls'], 10);
+ if (is_numeric($values['percentage'])) {
+ $out .= str_pad($values['percentage']."%\n", 8, ' ', STR_PAD_LEFT);
+ } else {
+ $out .= str_pad($values['percentage']."\n", 8, ' ', STR_PAD_LEFT);
+ }
+ }
+ }
+
+ if ($format == 'html') {
+ return $out . '</table>';
+ } else {
+ return $out;
+ }
+ }
+
+ /**
+ * Returns formatted profiling information.
+ *
+ * @param string output format (auto, plain or html), default auto
+ * @access public
+ */
+ function display($format = 'auto') {
+ echo $this->_getOutput($format);
+ }
+
+ /**
+ * 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;
+ }
+ } else {
+ if ($name != 'Global') {
+ $this->raiseError("tried to enter section ".$name." but profiling was not started\n", NULL, PEAR_ERROR_DIE);
+ }
+ }
+
+ if (isset($this->_numberOfCalls[$name])) {
+ $this->_numberOfCalls[$name]++;
+ } else {
+ $this->_numberOfCalls[$name] = 1;
+ }
+
+ array_push($this->_stack, array("name" => $name, "time" => $this->_getMicrotime()));
+ }
+
+ /**
+ * Leaves code section.
+ *
+ * @param string name of the marker to be set
+ * @see stop(), enterSection()
+ * @access public
+ */
+ function leaveSection($name) {
+ $microtime = $this->_getMicrotime();
+
+ if (!count($this->_stack)) {
+ $this->raiseError("tried to leave section ".$name." but profiling was not started\n", NULL, PEAR_ERROR_DIE);
+ }
+
+ $x = array_pop($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->_subSectionsTime[$parent['name']])) {
+ $this->_subSectionsTime[$parent['name']] += $microtime - $x['time'];
+ } else {
+ $this->_subSectionsTime[$parent['name']] = $microtime - $x['time'];
+ }
+
+ array_push($this->_stack, $parent);
+ }
+ }
+
+ /**
+ * Wrapper for microtime().
+ *
+ * @return float
+ * @access private
+ * @since 1.3.0
+ */
+ function _getMicrotime() {
+ $microtime = explode(' ', microtime());
+ return $microtime[1] . substr($microtime[0], 1);
+ }
+}
|