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