<?php // This file is part of GNU social - https://www.gnu.org/software/social // // GNU social 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. // // GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>. /* * Check DB queries for filesorts and such and log em. * * @package SQLStatsPlugin * @author Evan Prodromou <evan@status.net> * @copyright 2011 StatusNet, Inc. * @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later */ defined('GNUSOCIAL') || die(); /** * Check DB queries for filesorts and such and log em. * * @package SQLStatsPlugin * @author Evan Prodromou <evan@status.net> * @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later */ class SQLStatsPlugin extends Plugin { const PLUGIN_VERSION = '2.0.0'; protected $queryCount = 0; protected $queryStart = 0; protected $queryTimes = array(); protected $queries = array(); public function onPluginVersion(array &$versions): bool { $versions[] = array('name' => 'SQLStats', 'version' => self::PLUGIN_VERSION, 'author' => 'Evan Prodromou', 'homepage' => GNUSOCIAL_ENGINE_REPO_URL . 'tree/master/plugins/SQLStats', 'rawdescription' => // TRANS: Plugin decription. _m('Debug tool to watch for poorly indexed DB queries.')); return true; } public function onStartDBQuery($obj, $query, &$result) { $this->queryStart = hrtime(true); return true; } public function onEndDBQuery($obj, $query, &$result) { $endTime = hrtime(true); $this->queryTimes[] = round(($endTime - $this->queryStart) / 1000000); $this->queries[] = trim(preg_replace('/\s/', ' ', $query)); $this->queryStart = 0; return true; } public function cleanup() { if (count($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); } } } }