386 lines
9.4 KiB
PHP
386 lines
9.4 KiB
PHP
<?php defined('SYSPATH') OR die('No direct script access.');
|
|
/**
|
|
* Provides simple benchmarking and profiling. To display the statistics that
|
|
* have been collected, load the `profiler/stats` [View]:
|
|
*
|
|
* echo View::factory('profiler/stats');
|
|
*
|
|
* @package Kohana
|
|
* @category Helpers
|
|
* @author Kohana Team
|
|
* @copyright (c) 2009-2012 Kohana Team
|
|
* @license http://kohanaframework.org/license
|
|
*/
|
|
class Kohana_Profiler {
|
|
|
|
/**
|
|
* @var integer maximium number of application stats to keep
|
|
*/
|
|
public static $rollover = 1000;
|
|
|
|
/**
|
|
* @var array collected benchmarks
|
|
*/
|
|
protected static $_marks = array();
|
|
|
|
/**
|
|
* Starts a new benchmark and returns a unique token. The returned token
|
|
* _must_ be used when stopping the benchmark.
|
|
*
|
|
* $token = Profiler::start('test', 'profiler');
|
|
*
|
|
* @param string $group group name
|
|
* @param string $name benchmark name
|
|
* @return string
|
|
*/
|
|
public static function start($group, $name)
|
|
{
|
|
static $counter = 0;
|
|
|
|
// Create a unique token based on the counter
|
|
$token = 'kp/'.base_convert($counter++, 10, 32);
|
|
|
|
Profiler::$_marks[$token] = array
|
|
(
|
|
'group' => strtolower($group),
|
|
'name' => (string) $name,
|
|
|
|
// Start the benchmark
|
|
'start_time' => microtime(TRUE),
|
|
'start_memory' => memory_get_usage(),
|
|
|
|
// Set the stop keys without values
|
|
'stop_time' => FALSE,
|
|
'stop_memory' => FALSE,
|
|
);
|
|
|
|
return $token;
|
|
}
|
|
|
|
/**
|
|
* Stops a benchmark.
|
|
*
|
|
* Profiler::stop($token);
|
|
*
|
|
* @param string $token
|
|
* @return void
|
|
*/
|
|
public static function stop($token)
|
|
{
|
|
// Stop the benchmark
|
|
Profiler::$_marks[$token]['stop_time'] = microtime(TRUE);
|
|
Profiler::$_marks[$token]['stop_memory'] = memory_get_usage();
|
|
}
|
|
|
|
/**
|
|
* Deletes a benchmark. If an error occurs during the benchmark, it is
|
|
* recommended to delete the benchmark to prevent statistics from being
|
|
* adversely affected.
|
|
*
|
|
* Profiler::delete($token);
|
|
*
|
|
* @param string $token
|
|
* @return void
|
|
*/
|
|
public static function delete($token)
|
|
{
|
|
// Remove the benchmark
|
|
unset(Profiler::$_marks[$token]);
|
|
}
|
|
|
|
/**
|
|
* Returns all the benchmark tokens by group and name as an array.
|
|
*
|
|
* $groups = Profiler::groups();
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function groups()
|
|
{
|
|
$groups = array();
|
|
|
|
foreach (Profiler::$_marks as $token => $mark)
|
|
{
|
|
// Sort the tokens by the group and name
|
|
$groups[$mark['group']][$mark['name']][] = $token;
|
|
}
|
|
|
|
return $groups;
|
|
}
|
|
|
|
/**
|
|
* Gets the min, max, average and total of a set of tokens as an array.
|
|
*
|
|
* $stats = Profiler::stats($tokens);
|
|
*
|
|
* @param array $tokens profiler tokens
|
|
* @return array min, max, average, total
|
|
* @uses Profiler::total
|
|
*/
|
|
public static function stats(array $tokens)
|
|
{
|
|
// Min and max are unknown by default
|
|
$min = $max = array(
|
|
'time' => NULL,
|
|
'memory' => NULL);
|
|
|
|
// Total values are always integers
|
|
$total = array(
|
|
'time' => 0,
|
|
'memory' => 0);
|
|
|
|
foreach ($tokens as $token)
|
|
{
|
|
// Get the total time and memory for this benchmark
|
|
list($time, $memory) = Profiler::total($token);
|
|
|
|
if ($max['time'] === NULL OR $time > $max['time'])
|
|
{
|
|
// Set the maximum time
|
|
$max['time'] = $time;
|
|
}
|
|
|
|
if ($min['time'] === NULL OR $time < $min['time'])
|
|
{
|
|
// Set the minimum time
|
|
$min['time'] = $time;
|
|
}
|
|
|
|
// Increase the total time
|
|
$total['time'] += $time;
|
|
|
|
if ($max['memory'] === NULL OR $memory > $max['memory'])
|
|
{
|
|
// Set the maximum memory
|
|
$max['memory'] = $memory;
|
|
}
|
|
|
|
if ($min['memory'] === NULL OR $memory < $min['memory'])
|
|
{
|
|
// Set the minimum memory
|
|
$min['memory'] = $memory;
|
|
}
|
|
|
|
// Increase the total memory
|
|
$total['memory'] += $memory;
|
|
}
|
|
|
|
// Determine the number of tokens
|
|
$count = count($tokens);
|
|
|
|
// Determine the averages
|
|
$average = array(
|
|
'time' => $total['time'] / $count,
|
|
'memory' => $total['memory'] / $count);
|
|
|
|
return array(
|
|
'min' => $min,
|
|
'max' => $max,
|
|
'total' => $total,
|
|
'average' => $average);
|
|
}
|
|
|
|
/**
|
|
* Gets the min, max, average and total of profiler groups as an array.
|
|
*
|
|
* $stats = Profiler::group_stats('test');
|
|
*
|
|
* @param mixed $groups single group name string, or array with group names; all groups by default
|
|
* @return array min, max, average, total
|
|
* @uses Profiler::groups
|
|
* @uses Profiler::stats
|
|
*/
|
|
public static function group_stats($groups = NULL)
|
|
{
|
|
// Which groups do we need to calculate stats for?
|
|
$groups = ($groups === NULL)
|
|
? Profiler::groups()
|
|
: array_intersect_key(Profiler::groups(), array_flip( (array) $groups));
|
|
|
|
// All statistics
|
|
$stats = array();
|
|
|
|
foreach ($groups as $group => $names)
|
|
{
|
|
foreach ($names as $name => $tokens)
|
|
{
|
|
// Store the stats for each subgroup.
|
|
// We only need the values for "total".
|
|
$_stats = Profiler::stats($tokens);
|
|
$stats[$group][$name] = $_stats['total'];
|
|
}
|
|
}
|
|
|
|
// Group stats
|
|
$groups = array();
|
|
|
|
foreach ($stats as $group => $names)
|
|
{
|
|
// Min and max are unknown by default
|
|
$groups[$group]['min'] = $groups[$group]['max'] = array(
|
|
'time' => NULL,
|
|
'memory' => NULL);
|
|
|
|
// Total values are always integers
|
|
$groups[$group]['total'] = array(
|
|
'time' => 0,
|
|
'memory' => 0);
|
|
|
|
foreach ($names as $total)
|
|
{
|
|
if ( ! isset($groups[$group]['min']['time']) OR $groups[$group]['min']['time'] > $total['time'])
|
|
{
|
|
// Set the minimum time
|
|
$groups[$group]['min']['time'] = $total['time'];
|
|
}
|
|
if ( ! isset($groups[$group]['min']['memory']) OR $groups[$group]['min']['memory'] > $total['memory'])
|
|
{
|
|
// Set the minimum memory
|
|
$groups[$group]['min']['memory'] = $total['memory'];
|
|
}
|
|
|
|
if ( ! isset($groups[$group]['max']['time']) OR $groups[$group]['max']['time'] < $total['time'])
|
|
{
|
|
// Set the maximum time
|
|
$groups[$group]['max']['time'] = $total['time'];
|
|
}
|
|
if ( ! isset($groups[$group]['max']['memory']) OR $groups[$group]['max']['memory'] < $total['memory'])
|
|
{
|
|
// Set the maximum memory
|
|
$groups[$group]['max']['memory'] = $total['memory'];
|
|
}
|
|
|
|
// Increase the total time and memory
|
|
$groups[$group]['total']['time'] += $total['time'];
|
|
$groups[$group]['total']['memory'] += $total['memory'];
|
|
}
|
|
|
|
// Determine the number of names (subgroups)
|
|
$count = count($names);
|
|
|
|
// Determine the averages
|
|
$groups[$group]['average']['time'] = $groups[$group]['total']['time'] / $count;
|
|
$groups[$group]['average']['memory'] = $groups[$group]['total']['memory'] / $count;
|
|
}
|
|
|
|
return $groups;
|
|
}
|
|
|
|
/**
|
|
* Gets the total execution time and memory usage of a benchmark as a list.
|
|
*
|
|
* list($time, $memory) = Profiler::total($token);
|
|
*
|
|
* @param string $token
|
|
* @return array execution time, memory
|
|
*/
|
|
public static function total($token)
|
|
{
|
|
// Import the benchmark data
|
|
$mark = Profiler::$_marks[$token];
|
|
|
|
if ($mark['stop_time'] === FALSE)
|
|
{
|
|
// The benchmark has not been stopped yet
|
|
$mark['stop_time'] = microtime(TRUE);
|
|
$mark['stop_memory'] = memory_get_usage();
|
|
}
|
|
|
|
return array
|
|
(
|
|
// Total time in seconds
|
|
$mark['stop_time'] - $mark['start_time'],
|
|
|
|
// Amount of memory in bytes
|
|
$mark['stop_memory'] - $mark['start_memory'],
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Gets the total application run time and memory usage. Caches the result
|
|
* so that it can be compared between requests.
|
|
*
|
|
* list($time, $memory) = Profiler::application();
|
|
*
|
|
* @return array execution time, memory
|
|
* @uses Kohana::cache
|
|
*/
|
|
public static function application()
|
|
{
|
|
// Load the stats from cache, which is valid for 1 day
|
|
$stats = Kohana::cache('profiler_application_stats', NULL, 3600 * 24);
|
|
|
|
if ( ! is_array($stats) OR $stats['count'] > Profiler::$rollover)
|
|
{
|
|
// Initialize the stats array
|
|
$stats = array(
|
|
'min' => array(
|
|
'time' => NULL,
|
|
'memory' => NULL),
|
|
'max' => array(
|
|
'time' => NULL,
|
|
'memory' => NULL),
|
|
'total' => array(
|
|
'time' => NULL,
|
|
'memory' => NULL),
|
|
'count' => 0);
|
|
}
|
|
|
|
// Get the application run time
|
|
$time = microtime(TRUE) - KOHANA_START_TIME;
|
|
|
|
// Get the total memory usage
|
|
$memory = memory_get_usage() - KOHANA_START_MEMORY;
|
|
|
|
// Calculate max time
|
|
if ($stats['max']['time'] === NULL OR $time > $stats['max']['time'])
|
|
{
|
|
$stats['max']['time'] = $time;
|
|
}
|
|
|
|
// Calculate min time
|
|
if ($stats['min']['time'] === NULL OR $time < $stats['min']['time'])
|
|
{
|
|
$stats['min']['time'] = $time;
|
|
}
|
|
|
|
// Add to total time
|
|
$stats['total']['time'] += $time;
|
|
|
|
// Calculate max memory
|
|
if ($stats['max']['memory'] === NULL OR $memory > $stats['max']['memory'])
|
|
{
|
|
$stats['max']['memory'] = $memory;
|
|
}
|
|
|
|
// Calculate min memory
|
|
if ($stats['min']['memory'] === NULL OR $memory < $stats['min']['memory'])
|
|
{
|
|
$stats['min']['memory'] = $memory;
|
|
}
|
|
|
|
// Add to total memory
|
|
$stats['total']['memory'] += $memory;
|
|
|
|
// Another mark has been added to the stats
|
|
$stats['count']++;
|
|
|
|
// Determine the averages
|
|
$stats['average'] = array(
|
|
'time' => $stats['total']['time'] / $stats['count'],
|
|
'memory' => $stats['total']['memory'] / $stats['count']);
|
|
|
|
// Cache the new stats
|
|
Kohana::cache('profiler_application_stats', $stats);
|
|
|
|
// Set the current application execution time and memory
|
|
// Do NOT cache these, they are specific to the current request only
|
|
$stats['current']['time'] = $time;
|
|
$stats['current']['memory'] = $memory;
|
|
|
|
// Return the total application run time and memory usage
|
|
return $stats;
|
|
}
|
|
|
|
} // End Profiler
|