diff options
Diffstat (limited to 'buildscripts/Benchmark')
| -rw-r--r-- | buildscripts/Benchmark/Iterate.php | 167 | ||||
| -rw-r--r-- | buildscripts/Benchmark/LICENSE | 22 | ||||
| -rw-r--r-- | buildscripts/Benchmark/Profiler.php | 447 | ||||
| -rw-r--r-- | buildscripts/Benchmark/Timer.php | 319 | ||||
| -rw-r--r-- | buildscripts/Benchmark/doc/timer_example.php | 18 |
5 files changed, 973 insertions, 0 deletions
diff --git a/buildscripts/Benchmark/Iterate.php b/buildscripts/Benchmark/Iterate.php new file mode 100644 index 00000000..acf1ec08 --- /dev/null +++ b/buildscripts/Benchmark/Iterate.php @@ -0,0 +1,167 @@ +<?php
+//
+// +------------------------------------------------------------------------+
+// | PEAR :: Benchmark |
+// +------------------------------------------------------------------------+
+// | Copyright (c) 2001-2006 Sebastian Bergmann <sb@sebastian-bergmann.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: Iterate.php,v 1.12 2006/02/17 16:29:44 toggg Exp $
+//
+
+require_once 'Benchmark/Timer.php';
+
+/**
+ * Provides timing and profiling information.
+ *
+ * Example 1
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Iterate.php';
+ *
+ * $benchmark = new Benchmark_Iterate;
+ *
+ * function foo($string) {
+ * print $string . '<br>';
+ * }
+ *
+ * $benchmark->run(100, 'foo', 'test');
+ * $result = $benchmark->get();
+ * ?>
+ * </code>
+ *
+ * Example 2
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Iterate.php';
+ *
+ * $benchmark = new Benchmark_Iterate;
+ *
+ * class MyClass {
+ * function foo($string) {
+ * print $string . '<br>';
+ * }
+ * }
+ *
+ * $benchmark->run(100, 'myclass::foo', 'test');
+ * $result = $benchmark->get();
+ * ?>
+ * </code>
+ *
+ * Example 3
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Iterate.php';
+ *
+ * $benchmark = new Benchmark_Iterate;
+ *
+ * class MyClass {
+ * function foo($string) {
+ * print $string . '<br>';
+ * }
+ * }
+ *
+ * $o = new MyClass();
+ *
+ * $benchmark->run(100, 'o->foo', 'test');
+ * $result = $benchmark->get();
+ * ?>
+ * </code>
+ *
+ * @author Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @copyright Copyright © 2002-2005 Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @license http://www.php.net/license/3_0.txt The PHP License, Version 3.0
+ * @category Benchmarking
+ * @package Benchmark
+ */
+class Benchmark_Iterate extends Benchmark_Timer {
+ /**
+ * Benchmarks a function or method.
+ *
+ * @access public
+ */
+ function run() {
+ $arguments = func_get_args();
+ $iterations = array_shift($arguments);
+ $function_name = array_shift($arguments);
+
+ if (strstr($function_name, '::')) {
+ $function_name = explode('::', $function_name);
+ $objectmethod = $function_name[1];
+ }
+
+ if (strstr($function_name, '->')) {
+ $function_name = explode('->', $function_name);
+ $objectname = $function_name[0];
+
+ $object = $GLOBALS[$objectname];
+ $objectmethod = $function_name[1];
+
+ for ($i = 1; $i <= $iterations; $i++) {
+ $this->setMarker('start_' . $i);
+ call_user_func_array(array($object, $function_name[1]), $arguments);
+ $this->setMarker('end_' . $i);
+ }
+
+ return(0);
+ }
+
+ for ($i = 1; $i <= $iterations; $i++) {
+ $this->setMarker('start_' . $i);
+ call_user_func_array($function_name, $arguments);
+ $this->setMarker('end_' . $i);
+ }
+ }
+
+ /**
+ * Returns benchmark result.
+ *
+ * $result[x ] = execution time of iteration x
+ * $result['mean' ] = mean execution time
+ * $result['iterations'] = number of iterations
+ *
+ * @return array
+ * @access public
+ */
+ function get($simple_output = false) {
+ $result = array();
+ $total = 0;
+
+ $iterations = count($this->markers)/2;
+
+ for ($i = 1; $i <= $iterations; $i++) {
+ $time = $this->timeElapsed('start_'.$i , 'end_'.$i);
+
+ if (extension_loaded('bcmath')) {
+ $total = bcadd($total, $time, 6);
+ } else {
+ $total = $total + $time;
+ }
+
+ if (!$simple_output) {
+ $result[$i] = $time;
+ }
+ }
+
+ if (extension_loaded('bcmath')) {
+ $result['mean'] = bcdiv($total, $iterations, 6);
+ } else {
+ $result['mean'] = $total / $iterations;
+ }
+
+ $result['iterations'] = $iterations;
+
+ return $result;
+ }
+}
diff --git a/buildscripts/Benchmark/LICENSE b/buildscripts/Benchmark/LICENSE new file mode 100644 index 00000000..db25e880 --- /dev/null +++ b/buildscripts/Benchmark/LICENSE @@ -0,0 +1,22 @@ +Redistribution and use in source and binary forms, with or without modification
+, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, th
+ is list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation and/
+ or other materials provided with the distribution.
+
+3. The name of the author may not be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WA
+RRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABIL
+ITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR C
+ONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOW
+EVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILI
+TY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE U
+SE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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);
+ }
+}
diff --git a/buildscripts/Benchmark/Timer.php b/buildscripts/Benchmark/Timer.php new file mode 100644 index 00000000..d713e6b2 --- /dev/null +++ b/buildscripts/Benchmark/Timer.php @@ -0,0 +1,319 @@ +<?php
+//
+// +------------------------------------------------------------------------+
+// | PEAR :: Benchmark |
+// +------------------------------------------------------------------------+
+// | Copyright (c) 2001-2006 Sebastian Bergmann <sb@sebastian-bergmann.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: Timer.php,v 1.16 2006/03/01 13:41:39 matthias Exp $
+//
+
+require_once 'PEAR.php';
+
+/**
+ * Provides timing and profiling information.
+ *
+ * Example 1: Automatic profiling start, stop, and output.
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Timer.php';
+ *
+ * $timer = new Benchmark_Timer(TRUE);
+ * $timer->setMarker('Marker 1');
+ * ?>
+ * </code>
+ *
+ * Example 2: Manual profiling start, stop, and output.
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Timer.php';
+ *
+ * $timer = new Benchmark_Timer();
+ * $timer->start();
+ * $timer->setMarker('Marker 1');
+ * $timer->stop();
+ *
+ * $timer->display(); // to output html formated
+ * // AND/OR :
+ * $profiling = $timer->getProfiling(); // get the profiler info as an associative array
+ * ?>
+ * </code>
+ *
+ * @author Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @author Ludovico Magnocavallo <ludo@sumatrasolutions.com>
+ * @copyright Copyright © 2002-2005 Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @license http://www.php.net/license/3_0.txt The PHP License, Version 3.0
+ * @category Benchmarking
+ * @package Benchmark
+ */
+class Benchmark_Timer extends PEAR {
+ /**
+ * Contains the markers.
+ *
+ * @var array
+ * @access private
+ */
+ var $markers = array();
+
+ /**
+ * Auto-start and stop timer.
+ *
+ * @var boolean
+ * @access private
+ */
+ var $auto = FALSE;
+
+ /**
+ * Max marker name length for non-html output.
+ *
+ * @var integer
+ * @access private
+ */
+ var $maxStringLength = 0;
+
+ /**
+ * Constructor.
+ *
+ * @param boolean $auto
+ * @access public
+ */
+ function Benchmark_Timer($auto = FALSE) {
+ $this->auto = $auto;
+
+ if ($this->auto) {
+ $this->start();
+ }
+
+ $this->PEAR();
+ }
+
+ /**
+ * Destructor.
+ *
+ * @access private
+ */
+ function _Benchmark_Timer() {
+ if ($this->auto) {
+ $this->stop();
+ $this->display();
+ }
+ }
+
+ /**
+ * Set "Start" marker.
+ *
+ * @see setMarker(), stop()
+ * @access public
+ */
+ function start() {
+ $this->setMarker('Start');
+ }
+
+ /**
+ * Set "Stop" marker.
+ *
+ * @see setMarker(), start()
+ * @access public
+ */
+ function stop() {
+ $this->setMarker('Stop');
+ }
+
+ /**
+ * Set marker.
+ *
+ * @param string $name Name of the marker to be set.
+ * @see start(), stop()
+ * @access public
+ */
+ function setMarker($name) {
+ $this->markers[$name] = $this->_getMicrotime();
+ }
+
+ /**
+ * Returns the time elapsed betweens two markers.
+ *
+ * @param string $start start marker, defaults to "Start"
+ * @param string $end end marker, defaults to "Stop"
+ * @return double $time_elapsed time elapsed between $start and $end
+ * @access public
+ */
+ function timeElapsed($start = 'Start', $end = 'Stop') {
+ if ($end == 'Stop' && !isset($this->markers['Stop'])) {
+ $this->markers['Stop'] = $this->_getMicrotime();
+ }
+
+ if (extension_loaded('bcmath')) {
+ return bcsub($this->markers[$end], $this->markers[$start], 6);
+ } else {
+ return $this->markers[$end] - $this->markers[$start];
+ }
+ }
+
+ /**
+ * Returns profiling information.
+ *
+ * $profiling[x]['name'] = name of marker x
+ * $profiling[x]['time'] = time index of marker x
+ * $profiling[x]['diff'] = execution time from marker x-1 to this marker x
+ * $profiling[x]['total'] = total execution time up to marker x
+ *
+ * @return array
+ * @access public
+ */
+ function getProfiling() {
+ $i = $total = 0;
+ $result = array();
+ $temp = reset($this->markers);
+ $this->maxStringLength = 0;
+
+ foreach ($this->markers as $marker => $time) {
+ if (extension_loaded('bcmath')) {
+ $diff = bcsub($time, $temp, 6);
+ $total = bcadd($total, $diff, 6);
+ } else {
+ $diff = $time - $temp;
+ $total = $total + $diff;
+ }
+
+ $result[$i]['name'] = $marker;
+ $result[$i]['time'] = $time;
+ $result[$i]['diff'] = $diff;
+ $result[$i]['total'] = $total;
+
+ $this->maxStringLength = (strlen($marker) > $this->maxStringLength ? strlen($marker) + 1 : $this->maxStringLength);
+
+ $temp = $time;
+ $i++;
+ }
+
+ $result[0]['diff'] = '-';
+ $result[0]['total'] = '-';
+ $this->maxStringLength = (strlen('total') > $this->maxStringLength ? strlen('total') : $this->maxStringLength);
+ $this->maxStringLength += 2;
+
+ return $result;
+ }
+
+ /**
+ * Return formatted profiling information.
+ *
+ * @param boolean $showTotal Optionnaly includes total in output, default no
+ * @param string $format output format (auto, plain or html), default auto
+ * @return string
+ * @see getProfiling()
+ * @access public
+ */
+ function getOutput($showTotal = FALSE, $format = 'auto') {
+ if ($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';
+ }
+ }
+
+ $total = $this->TimeElapsed();
+ $result = $this->getProfiling();
+ $dashes = '';
+
+ if ($format == 'html') {
+ $out = '<table border="1">'."\n";
+ $out .= '<tr><td> </td><td align="center"><b>time index</b></td><td align="center"><b>ex time</b></td><td align="center"><b>%</b></td>'.
+ ($showTotal ?
+ '<td align="center"><b>elapsed</b></td><td align="center"><b>%</b></td>'
+ : '')."</tr>\n";
+ } else {
+ $dashes = $out = str_pad("\n",
+ $this->maxStringLength + ($showTotal ? 70 : 45), '-', STR_PAD_LEFT);
+ $out .= str_pad('marker', $this->maxStringLength) .
+ str_pad("time index", 22) .
+ str_pad("ex time", 16) .
+ str_pad("perct ", 8) .
+ ($showTotal ? ' '.str_pad("elapsed", 16)."perct" : '')."\n" .
+ $dashes;
+ }
+
+ foreach ($result as $k => $v) {
+ $perc = (($v['diff'] * 100) / $total);
+ $tperc = (($v['total'] * 100) / $total);
+
+ if ($format == 'html') {
+ $out .= "<tr><td><b>" . $v['name'] .
+ "</b></td><td>" . $v['time'] .
+ "</td><td>" . $v['diff'] .
+ "</td><td align=\"right\">" . number_format($perc, 2, '.', '') .
+ "%</td>".
+ ($showTotal ?
+ "<td>" . $v['total'] .
+ "</td><td align=\"right\">" .
+ number_format($tperc, 2, '.', '') .
+ "%</td>" : '').
+ "</tr>\n";
+ } else {
+ $out .= str_pad($v['name'], $this->maxStringLength, ' ') .
+ str_pad($v['time'], 22) .
+ str_pad($v['diff'], 14) .
+ str_pad(number_format($perc, 2, '.', '')."%",8, ' ', STR_PAD_LEFT) .
+ ($showTotal ? ' '.
+ str_pad($v['total'], 14) .
+ str_pad(number_format($tperc, 2, '.', '')."%",
+ 8, ' ', STR_PAD_LEFT) : '').
+ "\n";
+ }
+
+ $out .= $dashes;
+ }
+
+ if ($format == 'html') {
+ $out .= "<tr style='background: silver;'><td><b>total</b></td><td>-</td><td>${total}</td><td>100.00%</td>".($showTotal ? "<td>-</td><td>-</td>" : "")."</tr>\n";
+ $out .= "</table>\n";
+ } else {
+ $out .= str_pad('total', $this->maxStringLength);
+ $out .= str_pad('-', 22);
+ $out .= str_pad($total, 15);
+ $out .= "100.00%\n";
+ $out .= $dashes;
+ }
+
+ return $out;
+ }
+
+ /**
+ * Prints the information returned by getOutput().
+ *
+ * @param boolean $showTotal Optionnaly includes total in output, default no
+ * @param string $format output format (auto, plain or html), default auto
+ * @see getOutput()
+ * @access public
+ */
+ function display($showTotal = FALSE, $format = 'auto') {
+ print $this->getOutput($showTotal, $format);
+ }
+
+ /**
+ * Wrapper for microtime().
+ *
+ * @return float
+ * @access private
+ * @since 1.3.0
+ */
+ function _getMicrotime() {
+ $microtime = explode(' ', microtime());
+ return $microtime[1] . substr($microtime[0], 1);
+ }
+}
diff --git a/buildscripts/Benchmark/doc/timer_example.php b/buildscripts/Benchmark/doc/timer_example.php new file mode 100644 index 00000000..93dd05c6 --- /dev/null +++ b/buildscripts/Benchmark/doc/timer_example.php @@ -0,0 +1,18 @@ +<?php
+require '../Timer.php';
+
+function wait($amount) {
+ for ($i=0; $i < $amount; $i++) {
+ for ($i=0; $i < 100; $i++);
+ }
+}
+// Pass the param "true" to constructor to automatically display the results
+$timer = new Benchmark_Timer();
+$timer->start();
+wait(10);
+$timer->setMarker('Mark1');
+echo "Elapsed time between Start and Mark1: " .
+ $timer->timeElapsed('Start', 'Mark1') . "\n";
+wait(50);
+$timer->stop();
+$timer->display();
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