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freebsd/lib/libc/gen/getloadavg.3
Mike Pritchard 78b0b234eb Correct a bunch of man page cross references and generally
try and silence "manck".

ncurses, rpc, and some of the gnu stuff are still a big mess, however.
1996-02-11 22:38:05 +00:00

65 lines
2.6 KiB
Groff

.\" Copyright (c) 1989, 1991, 1993
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.\" @(#)getloadavg.3 8.1 (Berkeley) 6/4/93
.\"
.Dd June 4, 1993
.Dt GETLOADAVG 3
.Os
.Sh NAME
.Nm getloadavg
.Nd get system load averages
.Sh SYNOPSIS
.Fn getloadavg "double loadavg[]" "int nelem"
.Sh 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.
.Sh DIAGNOSTICS
If the load average was unobtainable, \-1 is returned; otherwise,
the number of samples actually retrieved is returned.
.Sh SEE ALSO
.Xr uptime 1 ,
.Xr kvm_getloadavg 3 ,
.Xr sysctl 3
.Sh HISTORY
The
.Fn getloadavg
function appeared in
.Bx 4.3 Reno .