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getloadavg(3) -- Linux man page
NAME
getloadavg
- get system load averages
SYNOPSIS
Fd #include <stdlib.h>
Ft int
Fn getloadavg double loadavg[] int nelem
DESCRIPTION
The
Fn getloadavg
function returns the number of processes in the system run queue
averaged over various periods of time.
Up to
Fa nelem
samples are retrieved and assigned to successive elements of
Fa loadavg Ns Bq .
The system imposes a maximum of 3 samples, representing averages
over the last 1, 5, and 15 minutes, respectively.
DIAGNOSTICS
If the load average was unobtainable, -1 is returned; otherwise,
the number of samples actually retrieved is returned.
SEE ALSO
uptime(1),
proc(5)
HISTORY
The
Fn getloadavg
function appeared in
BSD 4.3 Reno
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