21.02.2011, 17:03
Ich habe mal einen kleinen Profiler gebastelt - als Patch, da das mit einem Plugin nicht so ohne weiteres geht. Die angehängte Datei kann mit meinem Patches-Plugin angewendet werden, ansonsten ist von Hand zu editieren.
patches-profiler.txt (Größe: 7 KB / Downloads: 3)
inc/class_plugins.php:
inc/db_mysqli.php:
inc/functions.php:
Das erzeugt dann eine Ausgabe der Form Zeit => Hook oder Query.
Daran läßt sich dann der Zeitverlauf eines Requests so einigermaßen nachvollziehen.
inc/class_plugins.php:
PHP-Code:
/* + */ global $maintimer, $profiler;
/* + */ $profiler[$maintimer->stop()] = "before load {$plugin}";
if($plugin != "" && file_exists(MYBB_ROOT."inc/plugins/".$plugin.".php"))
{
require_once MYBB_ROOT."inc/plugins/".$plugin.".php";
}
/* + */ $profiler[$maintimer->stop()] = "after load {$plugin}";
PHP-Code:
/* + */ global $maintimer, $profiler;
/* + */ $profiler[$maintimer->stop()] = "hook {$hook}";
if(!is_array($this->hooks[$hook]))
{
return $arguments;
}
$this->current_hook = $hook;
ksort($this->hooks[$hook]);
foreach($this->hooks[$hook] as $priority => $hooks)
{
if(is_array($hooks))
{
foreach($hooks as $hook)
{
if($hook['file'])
{
require_once $hook['file'];
}
$oldreturnargs = $returnargs; // why is this line of code here?
$returnargs = call_user_func_array($hook['function'], array(&$arguments));
if($returnargs)
{
$arguments = $returnargs;
}
/* + */ $profiler[$maintimer->stop()] = "after {$this->current_hook} {$hook['function']}";
PHP-Code:
/* + */ global $maintimer, $profiler;
/* + */ $profiler[$maintimer->stop()] = "hook_by_ref {$hook}";
if(empty($this->hooks[$hook]) && !is_array($this->hooks[$hook]))
{
return $arguments;
}
$this->current_hook = $hook;
ksort($this->hooks[$hook]);
foreach($this->hooks[$hook] as $priority => $hooks)
{
if(is_array($hooks))
{
foreach($hooks as $hook)
{
if($hook['file'])
{
require_once $hook['file'];
}
call_user_func_array($hook['function'], array(&$arguments));
/* + */ $profiler[$maintimer->stop()] = "after {$this->current_hook} {$hook['function']}";
inc/db_mysqli.php:
PHP-Code:
function query($string, $hide_errors=0, $write_query=0)
{
/* + */ global $profiler, $maintimer;
/* + */ $profiler[$maintimer->stop()] = "before query {$string}";
PHP-Code:
/* + */ $profiler[$maintimer->stop()] = "after query {$string}";
return $query;
inc/functions.php:
PHP-Code:
$debugstuff = "Generated in $totaltime seconds ($percentphp% PHP / $percentsql% MySQL)<br />SQL Queries: $db->query_count / Global Parsing Time: $globaltime$memory_usage<br />$other<br />[<a href=\"$debuglink\" target=\"_blank\">advanced details</a>]<br />";
/* + */ global $profiler;
/* + */ $debugstuff .= "<pre style=\"float: left; text-align: left; overflow: auto; width: 1000px;\">".htmlspecialchars(print_r($profiler, true))."</pre>";
Das erzeugt dann eine Ausgabe der Form Zeit => Hook oder Query.
Code:
...
[0.1339400] => hook_by_ref my_date
[0.1339800] => hook_by_ref my_date
[0.1340001] => hook_by_ref my_date
[0.1345050] => hook_by_ref my_date
[0.1349280] => hook global_end
[0.1400831] => before query SELECT title,cache FROM mybb_datacache WHERE title='forumpermissions'
[0.1401660] => after query SELECT title,cache FROM mybb_datacache WHERE title='forumpermissions'
[0.1403849] => before query SELECT threads, unapprovedthreads FROM mybb_forums WHERE fid = '204' LIMIT 1
[0.1404569] => after query SELECT threads, unapprovedthreads FROM mybb_forums WHERE fid = '204' LIMIT 1
[0.1405070] => before query SELECT COUNT(tid) as threads FROM mybb_threads WHERE fid = '204' AND (lastpost >= '1293847185' OR sticky=1) AND (visible='1' OR visible='0') ORDER BY lastpost DESC
[0.1405740] => after query SELECT COUNT(tid) as threads FROM mybb_threads WHERE fid = '204' AND (lastpost >= '1293847185' OR sticky=1) AND (visible='1' OR visible='0') ORDER BY lastpost DESC
[0.1443200] => hook showthread_start
[0.1556530] => before query
REPLACE INTO mybb_threadsread (tid, uid, dateline)
VALUES('295381', '100001', '1298300027')
[0.1558521] => after query
REPLACE INTO mybb_threadsread (tid, uid, dateline)
VALUES('295381', '100001', '1298300027')
[0.1558800] => before query
SELECT COUNT(t.tid) AS unread_count
FROM mybb_threads t
LEFT JOIN mybb_threadsread tr ON (tr.tid=t.tid AND tr.uid='100001')
LEFT JOIN mybb_forumsread fr ON (fr.fid=t.fid AND fr.uid='100001')
WHERE t.visible=1 AND t.closed NOT LIKE 'moved|%' AND t.fid IN (204) AND t.lastpost > IFNULL(tr.dateline,1297695227) AND t.lastpost > IFNULL(fr.dateline,1297695227) AND t.lastpost>1297695227
[0.1833060] => after query
SELECT COUNT(t.tid) AS unread_count
FROM mybb_threads t
LEFT JOIN mybb_threadsread tr ON (tr.tid=t.tid AND tr.uid='100001')
LEFT JOIN mybb_forumsread fr ON (fr.fid=t.fid AND fr.uid='100001')
WHERE t.visible=1 AND t.closed NOT LIKE 'moved|%' AND t.fid IN (204) AND t.lastpost > IFNULL(tr.dateline,1297695227) AND t.lastpost > IFNULL(fr.dateline,1297695227) AND t.lastpost>1297695227
[0.1834669] => hook showthread_ismod
...Daran läßt sich dann der Zeitverlauf eines Requests so einigermaßen nachvollziehen.