85 lines
2.2 KiB
PHP
85 lines
2.2 KiB
PHP
<?php
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/**
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* Profiler storing information in the DB.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Profiler
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*/
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/**
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* Logs profiling data into the local DB
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*
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* @ingroup Profiler
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* @since 1.25
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*/
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class ProfilerOutputDb extends ProfilerOutput {
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public function canUse() {
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# Do not log anything if database is readonly (bug 5375)
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return !wfReadOnly();
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}
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public function log( array $stats ) {
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global $wgProfilePerHost;
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if ( $wgProfilePerHost ) {
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$pfhost = wfHostname();
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} else {
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$pfhost = '';
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}
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try {
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$dbw = wfGetDB( DB_MASTER );
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$useTrx = ( $dbw->getType() === 'sqlite' ); // much faster
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if ( $useTrx ) {
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$dbw->startAtomic( __METHOD__ );
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}
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foreach ( $stats as $data ) {
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$name = $data['name'];
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$eventCount = $data['calls'];
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$timeSum = (float)$data['real'];
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$memorySum = (float)$data['memory'];
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$name = substr( $name, 0, 255 );
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// Kludge
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$timeSum = $timeSum >= 0 ? $timeSum : 0;
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$memorySum = $memorySum >= 0 ? $memorySum : 0;
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$dbw->upsert( 'profiling',
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array(
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'pf_name' => $name,
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'pf_count' => $eventCount,
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'pf_time' => $timeSum,
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'pf_memory' => $memorySum,
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'pf_server' => $pfhost
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),
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array( array( 'pf_name', 'pf_server' ) ),
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array(
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"pf_count=pf_count+{$eventCount}",
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"pf_time=pf_time+{$timeSum}",
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"pf_memory=pf_memory+{$memorySum}",
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),
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__METHOD__
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);
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}
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if ( $useTrx ) {
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$dbw->endAtomic( __METHOD__ );
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}
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} catch ( DBError $e ) {
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}
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}
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}
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