84 lines
2.7 KiB
PHP
84 lines
2.7 KiB
PHP
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<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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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 Affero General Public License as published by
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* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* Check DB queries for filesorts and such and log em.
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*
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* @package SQLStatsPlugin
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* @maintainer Evan Prodromou <brion@status.net>
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*/
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class SQLStatsPlugin extends Plugin
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{
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protected $queryCount = 0;
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protected $queryStart = 0;
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protected $queryTimes = array();
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protected $queries = array();
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function onPluginVersion(&$versions)
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{
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$versions[] = array('name' => 'SQLStats',
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'version' => STATUSNET_VERSION,
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'author' => 'Evan Prodromou',
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'homepage' => 'http://status.net/wiki/Plugin:SQLStats',
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'rawdescription' =>
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_m('Debug tool to watch for poorly indexed DB queries.'));
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return true;
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}
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function onStartDBQuery($obj, $query, &$result)
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{
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$this->queryStart = microtime(true);
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return true;
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}
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function onEndDBQuery($obj, $query, &$result)
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{
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$endTime = microtime(true);
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$this->queryTimes[] = round(($endTime - $this->queryStart) * 1000);
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$this->queries[] = trim(preg_replace('/\s/', ' ', $query));
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$this->queryStart = 0;
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return true;
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}
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function cleanup()
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{
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$this->log(LOG_INFO, sprintf('%d queries this hit (total = %d, avg = %d, max = %d, min = %d)',
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count($this->queryTimes),
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array_sum($this->queryTimes),
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array_sum($this->queryTimes)/count($this->queryTimes),
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max($this->queryTimes),
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min($this->queryTimes)));
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$verbose = common_config('sqlstats', 'verbose');
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if ($verbose) {
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foreach ($this->queries as $query) {
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$this->log(LOG_INFO, $query);
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}
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}
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}
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}
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