# Please don't move this line to includes/Defines.php. This line essentially
# defines a valid entry point. If you put it in includes/Defines.php, then
# any script that includes it becomes an entry point, thereby defeating
# its purpose.
define('MEDIAWIKI', true);
# Full path to working directory.
# Makes it possible to for example to have effective exclude path in apc.
# __DIR__ breaks symlinked includes, but realpath() returns false
# if we don't have permissions on parent directories.
$IP = getenv('MW_INSTALL_PATH');
if ($IP === false) {
$IP = realpath('.') ?: dirname(__DIR__);
}
# Load the profiler
require_once "{$IP}/includes/profiler/Profiler.php";
$wgRUstart = wfGetRusage() ?: array();
# Start the autoloader, so that extensions can derive classes from core files
require_once "{$IP}/includes/AutoLoader.php";
# Load up some global defines.
require_once "{$IP}/includes/Defines.php";
# Start the profiler
$wgProfiler = array();
if (file_exists("{$IP}/StartProfiler.php")) {
require "{$IP}/StartProfiler.php";
}
wfProfileIn('WebStart.php-conf');
# Load default settings
require_once "{$IP}/includes/DefaultSettings.php";
# Load composer's autoloader if present
if (is_readable("{$IP}/vendor/autoload.php")) {
require_once "{$IP}/vendor/autoload.php";
/**
* @return int|null Max memory RSS in kilobytes
*/
private function getMaxRssKb()
{
$info = wfGetRusage() ?: array();
// see http://linux.die.net/man/2/getrusage
return isset($info['ru_maxrss']) ? (int) $info['ru_maxrss'] : null;
}
private static function getTimes($clock = null)
{
$ret = array();
if (!$clock || $clock === 'wall') {
$ret['wall'] = microtime(true);
}
if (!$clock || $clock === 'cpu') {
$ru = wfGetRusage();
if ($ru) {
$ret['cpu'] = $ru['ru_utime.tv_sec'] + $ru['ru_utime.tv_usec'] / 1000000.0;
$ret['cpu'] += $ru['ru_stime.tv_sec'] + $ru['ru_stime.tv_usec'] / 1000000.0;
}
}
return $ret;
}
/**
* Get the initial time of the request, based on getrusage()
*
* @param string|bool $metric Metric to use, with the following possibilities:
* - user: User CPU time (without system calls)
* - cpu: Total CPU time (user and system calls)
* - wall (or any other string): elapsed time
* - false (default): will fall back to default metric
* @return float
*/
protected function getTime($metric = 'wall')
{
if ($metric === 'cpu' || $metric === 'user') {
$ru = wfGetRusage();
if (!$ru) {
return 0;
}
$time = $ru['ru_utime.tv_sec'] + $ru['ru_utime.tv_usec'] / 1000000.0;
if ($metric === 'cpu') {
# This is the time of system calls, added to the user time
# it gives the total CPU time
$time += $ru['ru_stime.tv_sec'] + $ru['ru_stime.tv_usec'] / 1000000.0;
}
return $time;
} else {
return microtime(true);
}
}
