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+.\" Copyright (c) 1989, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)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 sysctl 2 ,
+.Xr kvm_getloadavg 3
+.Sh HISTORY
+The
+.Fn getloadavg
+function appeared in
+.Bx 4.3 Reno .