344 lines
12 KiB
PHP
344 lines
12 KiB
PHP
<?php
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/**
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* Zeed Platform Project
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* Based on Zeed Framework & Zend Framework.
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*
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* BTS - Billing Transaction Service
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* CAS - Central Authentication Service
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*
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* LICENSE
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* http://www.zeed.com.cn/license/
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*
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* @category Zeed
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* @package Zeed_Benchmark
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* @copyright Copyright (c) 2010 Zeed Technologies PRC Inc. (http://www.zeed.com.cn)
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* @author Zeed Team (http://blog.zeed.com.cn)
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* @since 2010-6-30
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* @version SVN: $Id: Benchmark.php 13049 2012-06-15 17:11:04Z xsharp $
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*/
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class Zeed_Benchmark
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{
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/**
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* Benchmark timestamps
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*
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* @var array
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*/
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private static $marks;
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private static $_resetThisCounter = false;
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/**
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* 重置开始时间
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*
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* @param string $name
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* @param boolean $resetAll 如果设置为 false，那么只清除上一次开始时间，并且下次结束时间也不做统计
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*/
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public static function reset($name, $resetAll = true)
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{
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if (isset(self::$marks[$name])) {
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if ($resetAll) {
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self::$marks[$name] = array();
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} else {
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if (! empty(self::$marks[$name])) {
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array_shift(self::$marks[$name]);
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self::$_resetThisCounter = true;
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}
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}
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}
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}
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/**
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* Set a benchmark start point.
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*
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* @param string benchmark name
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* @return void
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*/
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public static function start($name)
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{
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if (! isset(self::$marks[$name])) {
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self::$marks[$name] = array();
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}
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$mark = array(
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'start' => microtime(TRUE),
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'stop' => FALSE,
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'memory_start' => self::memory_usage(),
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'memory_stop' => FALSE);
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array_unshift(self::$marks[$name], $mark);
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}
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/**
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* Set a benchmark stop point.
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*
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* @param string benchmark name
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* @return void
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*/
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public static function stop($name)
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{
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if (self::$_resetThisCounter) {
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self::$_resetThisCounter = false;
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return;
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}
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if (isset(self::$marks[$name]) and self::$marks[$name][0]['stop'] === FALSE) {
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self::$marks[$name][0]['stop'] = microtime(TRUE);
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self::$marks[$name][0]['memory_stop'] = self::memory_usage();
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}
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}
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/**
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* Get the elapsed time between a start and stop.
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*
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* @param string benchmark name, TRUE for all
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* @param integer number of decimal places to count to
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* @return array
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*/
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public static function get($name, $decimals = 4)
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{
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if ($name === TRUE) {
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$times = array();
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$names = array_keys(self::$marks);
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foreach ($names as $name) {
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// Get each mark recursively
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$times[$name] = self::get($name, $decimals);
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}
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// Return the array
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return $times;
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}
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if (! isset(self::$marks[$name]))
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return FALSE;
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if (empty(self::$marks[$name])) {
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return array('time' => 0, 'memory' => 0, 'count' => 0);
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}
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if (self::$marks[$name][0]['stop'] === FALSE) {
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// Stop the benchmark to prevent mis-matched results
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self::stop($name);
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}
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// Return a string version of the time between the start and stop points
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// Properly reading a float requires using number_format or sprintf
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$time = $memory = 0;
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$count = count(self::$marks[$name]);
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for ($i = 0; $i < $count; $i ++) {
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$time += self::$marks[$name][$i]['stop'] - self::$marks[$name][$i]['start'];
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$memory += self::$marks[$name][$i]['memory_stop'] - self::$marks[$name][$i]['memory_start'];
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}
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return array(
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'time' => number_format($time, $decimals),
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'memory' => number_format(($memory / 1024 / 1024), 4),
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'count' => $count);
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}
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/**
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* Dump marks to log file.(Testing)
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*
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* @return array
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*/
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public static function dump()
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{
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if (! count(self::$marks)) {
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return false;
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}
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$marks = Zeed_Benchmark::get(true);
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$logFile = ZEED_PATH_DATA . 'log/Benchmark-' . date('Y-m-d') . '.log';
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$clientIP = Zeed_Util::clientIP();
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$clientName = 'xsharp' . rand(1, 8);
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$time = time();
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if (false != $handle = fopen($logFile, 'a')) {
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$logContent = '';
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foreach ($marks as $name => $mark) {
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$time += rand(1, 8);
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//$logContent .= $clientIP . ' ' . $clientName . ' [' . date('m/M/Y:H:i:s +0800') . '] "GET ' . $name . ' HTTP/1.1" ' . $mark['time'] . ' ' . $mark['memory'] . ' ' . $mark['count'] . "\n";
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$logContent .= $clientIP . ' - ' . $clientName . ' [' . date('m/M/Y:H:i:s +0800', $time) . '] "GET /' . $name . ' HTTP/1.1" 200 ' . (int) ($mark['time'] * 1000000) . "\r\n";
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}
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fwrite($handle, $logContent);
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fclose($handle);
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}
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}
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/**
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* Returns the current memory usage. This is only possible if the
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* memory_get_usage function is supported in PHP.
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*
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* @return integer
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*/
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private static function memory_usage()
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{
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static $func = NULL;
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if ($func === NULL) {
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// Test if memory usage can be seen
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$func = function_exists('memory_get_usage');
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}
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return $func ? memory_get_usage() : 0;
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}
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/**
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* Colorful print_r()
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*
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* @param Array|String|Mixed $var
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* @param String $memo
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*/
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public static function print_r($var, $memo = null)
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{
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if (isset($_SERVER['HTTP_USER_AGENT'])) {
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$color_bg = "RGB(" . rand(100, 255) . "," . rand(100, 255) . "," . rand(100, 255) . ")";
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if (! is_null($memo)) {
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$prefix = '<FIELDSET STYLE="FONT-SIZE:12PX;FONT-FAMILY:COURIER NEW;"><LEGEND STYLE="PADDING:5PX;">' . (is_string($memo)? $memo : print_r($memo, true)) . '</LEGEND>';
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$postfix = '</FIELDSET>';
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} else {
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$prefix = $postfix = "";
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}
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echo $prefix . '<PRE STYLE="FONT-SIZE:12PX;PADDING:5PX;BORDER-LEFT:5PX SOLID #0066CC;FONT-FAMILY:COURIER NEW;COLOR:BLACK;TEXT-ALIGN:LEFT;BACKGROUND-COLOR:' . $color_bg . '">' . "\n";
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print_r($var);
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echo "\n</PRE>\n" . $postfix;
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} else {
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if (! is_null($memo)) {
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if (is_string($memo)) {
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echo $memo;
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} else {
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print_r($memo);
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}
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echo " - - - - -\n";
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}
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print_r($var);
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echo "\n";
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}
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}
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public static function println($str, $flush = true)
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{
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if (isset($_SERVER['HTTP_USER_AGENT'])) {
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echo $str . '<br />';
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} else {
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echo $str . "\n";
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}
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if ($flush) {
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Zeed_Util::flush();
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}
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}
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/**
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*
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*/
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public static function sql()
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{
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if (class_exists('Fit_Db', false)) {
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$dbInstances = & Fit_Db::$instances;
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} elseif (class_exists('Zeed_Db', false)) {
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$dbInstances = & Zeed_Db::$instances;
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} else {
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return null;
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}
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if (empty($dbInstances)) {
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return null;
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}
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$totalTime = 0;
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$queryCount = 0;
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$longestTime = 0;
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$longestQuery = null;
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$sqlAll = array();
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$i = 0;
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foreach ($dbInstances as $name => $dbAdapter) {
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$profiler = $dbAdapter->getProfiler();
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$_cQueryCount = $profiler->getTotalNumQueries();
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if ($_cQueryCount < 1) {
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continue;
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} else {
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$totalTime += $profiler->getTotalElapsedSecs();
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$queryCount += $profiler->getTotalNumQueries();
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}
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foreach ($profiler->getQueryProfiles() as $_qp) {
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$_es = $_qp->getElapsedSecs();
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$_q = $_qp->getQuery();
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$sqlAll["$_es"] = array('sql' => $_q, 'time' => $_es, 'id' => $i, 'con' => $name);
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if ($_qp->getQueryType() == Zend_Db_Profiler::SELECT) {
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$sqlAll["$_es"]['explain'] = $dbAdapter->query('EXPLAIN ' . $_q)->fetchAll();
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}
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if ($_es > $longestTime) {
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$longestTime = $_es;
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$longestQuery = $_q;
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}
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$i ++;
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}
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}
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if ($queryCount < 1) {
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return null;
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}
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echo '<a href="#showsql" name="showsql" style="text-decoration:none;" onclick="(document.getElementById(\'queryProfiler\').style.display == \'none\') ? (document.getElementById(\'queryProfiler\').style.display = \'block\') : (document.getElementById(\'queryProfiler\').style.display = \'none\')">+</a>';
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echo '<div id="queryProfiler" style="display:none; text-align:left; padding-left:2px; line-height:130%; color:#003366; font-size:11px; font-family:Courier New; margin:0; background-color:#FAF8C5; border:1px dotted #666;">';
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if (count($sqlAll) > 0) {
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ksort($sqlAll);
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reset($sqlAll);
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$perIn = (int) (255 / $queryCount);
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$fColor = 0;
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foreach ($sqlAll as $val) {
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$fColor += $perIn;
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$bColor = 255 - $fColor;
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$val['fColor'] = $fColor;
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$val['bColor'] = $bColor;
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$sqlAll2[$val['id']] = $val;
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}
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ksort($sqlAll2);
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reset($sqlAll2);
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unset($sqlAll);
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foreach ($sqlAll2 as $val) {
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$val['time'] = $val['time'] * 1000;
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$val['time'] = (string) sprintf('%f', $val['time']) . 'ms';
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echo sprintf('%02d', $val['id']) . '.<span style="border-left: 10px solid rgb(255,' . $val['bColor'] . ',' . $val['bColor'] . '); ;border-bottom: 1px solid rgb(255,' . $val['bColor'] . ',' . $val['bColor'] . '); line-height:21px;">' . $val['sql'] . '</span> (' . $val['con'] . ') ... ' . $val['time'] . '<br />';
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if (! isset($val['explain'])) {
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continue;
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}
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$explain = '<span style="padding-left: 30px ;">';
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foreach ($val['explain'] as $_val) {
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$explain .= ' <strong>Table:</strong> ' . $_val['table'];
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if ($_val['key'] != '') {
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$explain .= ' <strong>Key:</strong> ' . $_val['key'];
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}
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if ($_val['Extra'] != '') {
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if (preg_match("/temporary|filesort/i", $_val['Extra'])) {
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$eColor = 'red';
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} else {
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$eColor = 'green';
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}
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$explain .= ' <strong>Extra:</strong> <span = style="background-color:' . $eColor . '; color: white;">' . $_val['Extra'] . '</span>';
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}
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}
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echo $explain . '</span><br>';
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}
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}
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echo '<div style="padding-left:1px; margin-top:5px;">';
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echo 'Executed ' . $queryCount . ' queries in ' . $totalTime . ' seconds' . "<br />\n";
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echo 'Average query length: ' . $totalTime / $queryCount . ' seconds' . "<br />\n";
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echo 'Queries per second: ' . $queryCount / $totalTime . "<br />\n";
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echo 'Longest query length: ' . $longestTime . "<br />\n";
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echo "Longest query: \n" . $longestQuery . "<br />\n";
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echo '</div>';
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echo '</div>';
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}
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}
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// End ^ LF ^ UTF-8
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