public static function log($tag = "")
{
Profiler::over();
$data = array();
$data['tag'] = $tag;
$data['data'] = serialize(Profiler::getTopNodes());
$data['memuseage'] = Profiler::getMemUsage();
$data['memuseage'] = $data['memuseage']['num'] . ' ' . $data['memuseage']['unit'];
$data['total_cost'] = Profiler::getGlobalDuration();
\Libs\Log\LevelLogWriter::selfLog("profiler", "PROFILER", $data);
return $data;
}
