NAME
kvm_getloadavg
- get system load averages
LIBRARY
Kernel Data Access Library (libkvm, -lkvm)
SYNOPSIS
int
kvm_getloadavg(kvm_t *kd, double loadavg[], int nelem)
DESCRIPTION
The
kvm_getloadavg()
function returns the number of processes in the system run queue
of the kernel indicated by
kd,
averaged over various periods of time.
Up to
nelem
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.
RETURN VALUES
If the load average was unobtainable, -1 is returned; otherwise,
the number of samples actually retrieved is returned.
SEE ALSO
uptime(1),
getloadavg(3),
kvm(3),
kvm_open(3),
sysctl(3)