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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
// $Id: Debug.class.php 2702 2012-02-02 12:35:01Z liu21st $
/**
+------------------------------------------------------------------------------
* 系统调试类
+------------------------------------------------------------------------------
* @category Think
* @package Think
* @subpackage Util
* @author liu21st <liu21st@gmail.com>
* @version $Id: Debug.class.php 2702 2012-02-02 12:35:01Z liu21st $
+------------------------------------------------------------------------------
*/
class Debug {
static private $marker = array();
/**
+----------------------------------------------------------
* 标记调试位
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $name 要标记的位置名称
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
static public function mark($name) {
self::$marker['time'][$name] = microtime(TRUE);
if(MEMORY_LIMIT_ON) {
self::$marker['mem'][$name] = memory_get_usage();
self::$marker['peak'][$name] = function_exists('memory_get_peak_usage')?memory_get_peak_usage(): self::$marker['mem'][$name];
}
}
/**
+----------------------------------------------------------
* 区间使用时间查看
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $start 开始标记的名称
* @param string $end 结束标记的名称
* @param integer $decimals 时间的小数位
+----------------------------------------------------------
* @return integer
+----------------------------------------------------------
*/
static public function useTime($start,$end,$decimals = 6) {
if ( ! isset(self::$marker['time'][$start]))
return '';
if ( ! isset(self::$marker['time'][$end]))
self::$marker['time'][$end] = microtime(TRUE);
return number_format(self::$marker['time'][$end] - self::$marker['time'][$start], $decimals);
}
/**
+----------------------------------------------------------
* 区间使用内存查看
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $start 开始标记的名称
* @param string $end 结束标记的名称
+----------------------------------------------------------
* @return integer
+----------------------------------------------------------
*/
static public function useMemory($start,$end) {
if(!MEMORY_LIMIT_ON)
return '';
if ( ! isset(self::$marker['mem'][$start]))
return '';
if ( ! isset(self::$marker['mem'][$end]))
self::$marker['mem'][$end] = memory_get_usage();
return number_format((self::$marker['mem'][$end] - self::$marker['mem'][$start])/1024);
}
/**
+----------------------------------------------------------
* 区间使用内存峰值查看
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $start 开始标记的名称
* @param string $end 结束标记的名称
+----------------------------------------------------------
* @return integer
+----------------------------------------------------------
*/
static function getMemPeak($start,$end) {
if(!MEMORY_LIMIT_ON)
return '';
if ( ! isset(self::$marker['peak'][$start]))
return '';
if ( ! isset(self::$marker['peak'][$end]))
self::$marker['peak'][$end] = function_exists('memory_get_peak_usage')?memory_get_peak_usage(): memory_get_usage();
return number_format(max(self::$marker['peak'][$start],self::$marker['peak'][$end])/1024);
}
}
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