Section: Linux Programmer's Manual (3)Updated: 2007-12-08Local indexUp
getloadavg - get system load averages
#define _BSD_SOURCE#include <stdlib.h>int getloadavg(double loadavg, int nelem);
function returns the number of processes in the system run queue
averaged over various periods of time.
samples are retrieved and assigned to successive elements of
The system imposes a maximum of 3 samples, representing averages
over the last 1, 5, and 15 minutes, respectively.
If the load average was unobtainable, -1 is returned; otherwise,
the number of samples actually retrieved is returned.
This function is available in glibc since version 2.2.
Not in POSIX.1-2001.
Present on the BSDs and Solaris.