get system load averages
() function returns the number
of processes in the system run queue averaged over various periods of time. Up
samples are retrieved and assigned
to successive elements of loadavg
system imposes a maximum of 3 samples, representing averages over the last 1,
5, and 15 minutes, respectively.
Upon successful completion, the number of samples retrieved is returned. If an
error occurs, -1 is returned and the global variable
is set to indicate the error.
Please see sysctl(2)
for a list of
() function appeared in