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GR0V Shell
GR0V shell
Linux www.koreapackagetour.com 2.6.32-042stab145.3 #1 SMP Thu Jun 11 14:05:04 MSK 2020 x86_64
<?php
/**
* @package Joomla.Platform
* @subpackage Error
*
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Utility class to assist in the process of benchmarking the execution
* of sections of code to understand where time is being spent.
*
* @package Joomla.Platform
* @subpackage Error
* @since 11.1
*/
class JProfiler extends JObject
{
/**
* @var integer The start time.
* @since 11.1
*/
protected $_start = 0;
/**
* @var string The prefix to use in the output
* @since 11.1
*/
protected $_prefix = '';
/**
* @var array The buffer of profiling messages.
* @since 11.1
*/
protected $_buffer = null;
/**
* @var float
* @since 11.1
*/
protected $_previous_time = 0.0;
/**
* @var float
* @since 11.1
*/
protected $_previous_mem = 0.0;
/**
* @var boolean Boolean if the OS is Windows.
* @since 11.1
*/
protected $_iswin = false;
/**
* @var array JProfiler instances container.
* @since 11.3
*/
protected static $instances = array();
/**
* Constructor
*
* @param string $prefix Prefix for mark messages
*
* @since 11.1
*/
public function __construct($prefix = '')
{
$this->_start = $this->getmicrotime();
$this->_prefix = $prefix;
$this->_buffer = array();
$this->_iswin = (substr(PHP_OS, 0, 3) == 'WIN');
}
/**
* Returns the global Profiler object, only creating it
* if it doesn't already exist.
*
* @param string $prefix Prefix used to distinguish profiler objects.
*
* @return JProfiler The Profiler object.
*
* @since 11.1
*/
public static function getInstance($prefix = '')
{
if (empty(self::$instances[$prefix]))
{
self::$instances[$prefix] = new JProfiler($prefix);
}
return self::$instances[$prefix];
}
/**
* Output a time mark
*
* The mark is returned as text enclosed in <div> tags
* with a CSS class of 'profiler'.
*
* @param string $label A label for the time mark
*
* @return string Mark enclosed in <div> tags
*
* @since 11.1
*/
public function mark($label)
{
$current = self::getmicrotime() - $this->_start;
if (function_exists('memory_get_usage'))
{
$current_mem = memory_get_usage() / 1048576;
$mark = sprintf(
'<code>%s %.3f seconds (+%.3f); %0.2f MB (%s%0.3f) - %s</code>',
$this->_prefix,
$current,
$current - $this->_previous_time,
$current_mem,
($current_mem > $this->_previous_mem) ? '+' : '', $current_mem - $this->_previous_mem,
$label
);
}
else
{
$mark = sprintf('<code>%s %.3f seconds (+%.3f) - %s</code>', $this->_prefix, $current, $current - $this->_previous_time, $label);
}
$this->_previous_time = $current;
$this->_previous_mem = $current_mem;
$this->_buffer[] = $mark;
return $mark;
}
/**
* Get the current time.
*
* @return float The current time
*
* @since 11.1
*/
public static function getmicrotime()
{
list ($usec, $sec) = explode(' ', microtime());
return ((float) $usec + (float) $sec);
}
/**
* Get information about current memory usage.
*
* @return integer The memory usage
*
* @link PHP_MANUAL#memory_get_usage
* @since 11.1
*/
public function getMemory()
{
if (function_exists('memory_get_usage'))
{
return memory_get_usage();
}
else
{
// Initialise variables.
$output = array();
$pid = getmypid();
if ($this->_iswin)
{
// Windows workaround
@exec('tasklist /FI "PID eq ' . $pid . '" /FO LIST', $output);
if (!isset($output[5]))
{
$output[5] = null;
}
return substr($output[5], strpos($output[5], ':') + 1);
}
else
{
@exec("ps -o rss -p $pid", $output);
return $output[1] * 1024;
}
}
}
/**
* Get all profiler marks.
*
* Returns an array of all marks created since the Profiler object
* was instantiated. Marks are strings as per {@link JProfiler::mark()}.
*
* @return array Array of profiler marks
*/
public function getBuffer()
{
return $this->_buffer;
}
}
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