system load averages
() function returns the number of
processes in the system run queue averaged over various periods of time. Up to
samples are retrieved and assigned to
successive elements of loadavg
. The 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