b6cd5421b9
This is clearer and is consistent with onTransactionPreCommitOrIdle() Change-Id: I3a34a0e9adea69ec55ed6ddfef47703e31e7c3b5
107 lines
2.9 KiB
PHP
107 lines
2.9 KiB
PHP
<?php
|
|
/**
|
|
* Profiler storing information in the DB.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
* @file
|
|
* @ingroup Profiler
|
|
*/
|
|
|
|
use Wikimedia\Rdbms\Database;
|
|
use Wikimedia\Rdbms\DBError;
|
|
|
|
/**
|
|
* Logs profiling data into the local DB
|
|
*
|
|
* @ingroup Profiler
|
|
* @since 1.25
|
|
*/
|
|
class ProfilerOutputDb extends ProfilerOutput {
|
|
/** @var bool Whether to store host data with profiling calls */
|
|
private $perHost = false;
|
|
|
|
public function __construct( Profiler $collector, array $params ) {
|
|
parent::__construct( $collector, $params );
|
|
|
|
// Initialize per-host profiling from config, back-compat if available
|
|
if ( isset( $this->params['perHost'] ) ) {
|
|
$this->perHost = $this->params['perHost'];
|
|
}
|
|
}
|
|
|
|
public function canUse() {
|
|
# Do not log anything if database is readonly (T7375)
|
|
return !wfReadOnly();
|
|
}
|
|
|
|
public function log( array $stats ) {
|
|
try {
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
} catch ( DBError $e ) {
|
|
return; // ignore
|
|
}
|
|
|
|
$fname = __METHOD__;
|
|
$dbw->onTransactionCommitOrIdle( function ( Database $dbw ) use ( $stats, $fname ) {
|
|
$pfhost = $this->perHost ? wfHostname() : '';
|
|
// Sqlite: avoid excess b-tree rebuilds (mostly for non-WAL mode)
|
|
// non-Sqlite: lower contention with small transactions
|
|
$useTrx = ( $dbw->getType() === 'sqlite' );
|
|
|
|
try {
|
|
$useTrx ? $dbw->startAtomic( $fname ) : null;
|
|
|
|
foreach ( $stats as $data ) {
|
|
$name = $data['name'];
|
|
$eventCount = $data['calls'];
|
|
$timeSum = (float)$data['real'];
|
|
$memorySum = (float)$data['memory'];
|
|
$name = substr( $name, 0, 255 );
|
|
|
|
// Kludge
|
|
$timeSum = $timeSum >= 0 ? $timeSum : 0;
|
|
$memorySum = $memorySum >= 0 ? $memorySum : 0;
|
|
|
|
$dbw->upsert( 'profiling',
|
|
[
|
|
'pf_name' => $name,
|
|
'pf_count' => $eventCount,
|
|
'pf_time' => $timeSum,
|
|
'pf_memory' => $memorySum,
|
|
'pf_server' => $pfhost
|
|
],
|
|
[ [ 'pf_name', 'pf_server' ] ],
|
|
[
|
|
"pf_count=pf_count+{$eventCount}",
|
|
"pf_time=pf_time+{$timeSum}",
|
|
"pf_memory=pf_memory+{$memorySum}",
|
|
],
|
|
$fname
|
|
);
|
|
}
|
|
} catch ( DBError $e ) {
|
|
// ignore
|
|
}
|
|
|
|
try {
|
|
$useTrx ? $dbw->endAtomic( $fname ) : null;
|
|
} catch ( DBError $e ) {
|
|
// ignore
|
|
}
|
|
} );
|
|
}
|
|
}
|