diff options
| author | xue <> | 2006-06-19 02:31:27 +0000 |
|---|---|---|
| committer | xue <> | 2006-06-19 02:31:27 +0000 |
| commit | b59ab2490b1bb82dc1d0b58d89584182b405d0a0 (patch) | |
| tree | d6770beffd006c092b3211208b686462cd279ab0 /buildscripts/Benchmark/Timer.php | |
| parent | 9b918c5b7fa3aac6e077f15dc06c1d8d7185f5aa (diff) | |
build script update. Fixed #82 and #165.
Diffstat (limited to 'buildscripts/Benchmark/Timer.php')
| -rw-r--r-- | buildscripts/Benchmark/Timer.php | 319 |
1 files changed, 319 insertions, 0 deletions
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);
+ }
+}
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