From 588727c7e2b8954ec3dbde293cf4c4d68b119f9b Mon Sep 17 00:00:00 2001 From: xue <> Date: Mon, 19 Jun 2006 18:38:29 +0000 Subject: Merge from 3.0 branch till 1185. --- buildscripts/Benchmark/Timer.php | 319 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 319 insertions(+) create mode 100644 buildscripts/Benchmark/Timer.php (limited to 'buildscripts/Benchmark/Timer.php') 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 @@ +. | +// +------------------------------------------------------------------------+ +// | 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. + * + * + * setMarker('Marker 1'); + * ?> + * + * + * Example 2: Manual profiling start, stop, and output. + * + * + * 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 + * ?> + * + * + * @author Sebastian Bergmann + * @author Ludovico Magnocavallo + * @copyright Copyright © 2002-2005 Sebastian Bergmann + * @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 = ''."\n"; + $out .= ''. + ($showTotal ? + '' + : '')."\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') { + $out .= "". + ($showTotal ? + "" : ''). + "\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') { + $out .= "".($showTotal ? "" : "")."\n"; + $out .= "
 time indexex time%elapsed%
" . $v['name'] . + "" . $v['time'] . + "" . $v['diff'] . + "" . number_format($perc, 2, '.', '') . + "%" . $v['total'] . + "" . + number_format($tperc, 2, '.', '') . + "%
total-${total}100.00%--
\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); + } +} -- cgit v1.2.3