NAME
kvm_getloadavg —
get system load
averages
LIBRARY
Kernel Data Access Library (libkvm, -lkvm)
SYNOPSIS
#include <sys/resource.h>
#include <kvm.h>
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)