https://www.php.net/manual/es/function.sys-getloadavg.php
PHP: sys_getloadavg - Manual
Obtiene la carga promedio del sistema
phpsysmanual
https://lists.debian.org/debian-hurd/2003/07/msg00112.html
patch for wanna-build (sysinfo/getloadavg)
patchwannabuildsysinfo
https://www.w3schools.com/php/func_misc_sys_getloadavg.asp
PHP sys_getloadavg() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
phpsysfunction
https://bugs.php.net/bug.php?id=75529&edit=1
PHP :: Bug #75529 :: No sys_getloadavg() function under uClibc
phpbugsysfunction
https://www.php.net/manual/ja/function.sys-getloadavg.php
PHP: sys_getloadavg - Manual
phpsysmanual