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[CORE] Use monotonic time via hrtime() where applicable

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The realtime clock is not reliable when calculating elapsed time.
This commit is contained in:
Alexei Sorokin
2020-01-07 19:48:13 +03:00
committed by Diogo Peralta Cordeiro
parent d467370efb
commit 3951ccbef7
11 changed files with 364 additions and 290 deletions
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69
plugins/SQLStats/SQLStatsPlugin.php
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@@ -1,31 +1,36 @@
<?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/>.
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
* Check DB queries for filesorts and such and log em.
*
* 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/>.
* @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
*/
if (!defined('STATUSNET')) {
exit(1);
}
defined('GNUSOCIAL') || die();
/**
* Check DB queries for filesorts and such and log em.
*
* @package SQLStatsPlugin
* @maintainer Evan Prodromou <evan@status.net>
* @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
{
@@ -49,33 +54,35 @@ class SQLStatsPlugin extends Plugin
return true;
}
function onStartDBQuery($obj, $query, &$result)
public function onStartDBQuery($obj, $query, &$result)
{
$this->queryStart = microtime(true);
$this->queryStart = hrtime(true);
return true;
}
function onEndDBQuery($obj, $query, &$result)
public function onEndDBQuery($obj, $query, &$result)
{
$endTime = microtime(true);
$this->queryTimes[] = round(($endTime - $this->queryStart) * 1000);
$endTime = hrtime(true);
$this->queryTimes[] = round(($endTime - $this->queryStart) / 1000000);
$this->queries[] = trim(preg_replace('/\s/', ' ', $query));
$this->queryStart = 0;
return true;
}
function cleanup()
public function cleanup()
{
if (count($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)));
$this->log(LOG_INFO, sprintf(
'%d queries this hit (total = %d, avg = %d, max = %d, min = %d)',
count($this->queryTimes),
array_sum($this->queryTimes),
array_sum($this->queryTimes) / count($this->queryTimes),
max($this->queryTimes),
min($this->queryTimes)
));
}
$verbose = common_config('sqlstats', 'verbose');