1*9da22751SDavid van Moolenbroek.\" $NetBSD: kvm_getloadavg.3,v 1.11 2009/03/10 23:49:07 joerg Exp $ 2*9da22751SDavid van Moolenbroek.\" 3*9da22751SDavid van Moolenbroek.\" Copyright (c) 1992, 1993 4*9da22751SDavid van Moolenbroek.\" The Regents of the University of California. All rights reserved. 5*9da22751SDavid van Moolenbroek.\" 6*9da22751SDavid van Moolenbroek.\" Redistribution and use in source and binary forms, with or without 7*9da22751SDavid van Moolenbroek.\" modification, are permitted provided that the following conditions 8*9da22751SDavid van Moolenbroek.\" are met: 9*9da22751SDavid van Moolenbroek.\" 1. Redistributions of source code must retain the above copyright 10*9da22751SDavid van Moolenbroek.\" notice, this list of conditions and the following disclaimer. 11*9da22751SDavid van Moolenbroek.\" 2. Redistributions in binary form must reproduce the above copyright 12*9da22751SDavid van Moolenbroek.\" notice, this list of conditions and the following disclaimer in the 13*9da22751SDavid van Moolenbroek.\" documentation and/or other materials provided with the distribution. 14*9da22751SDavid van Moolenbroek.\" 3. Neither the name of the University nor the names of its contributors 15*9da22751SDavid van Moolenbroek.\" may be used to endorse or promote products derived from this software 16*9da22751SDavid van Moolenbroek.\" without specific prior written permission. 17*9da22751SDavid van Moolenbroek.\" 18*9da22751SDavid van Moolenbroek.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19*9da22751SDavid van Moolenbroek.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*9da22751SDavid van Moolenbroek.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*9da22751SDavid van Moolenbroek.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22*9da22751SDavid van Moolenbroek.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23*9da22751SDavid van Moolenbroek.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24*9da22751SDavid van Moolenbroek.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25*9da22751SDavid van Moolenbroek.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26*9da22751SDavid van Moolenbroek.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27*9da22751SDavid van Moolenbroek.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28*9da22751SDavid van Moolenbroek.\" SUCH DAMAGE. 29*9da22751SDavid van Moolenbroek.\" 30*9da22751SDavid van Moolenbroek.\" @(#)kvm_getloadavg.3 8.1 (Berkeley) 6/4/93 31*9da22751SDavid van Moolenbroek.\" 32*9da22751SDavid van Moolenbroek.Dd August 18, 2002 33*9da22751SDavid van Moolenbroek.Dt KVM_GETLOADAVG 3 34*9da22751SDavid van Moolenbroek.Os 35*9da22751SDavid van Moolenbroek.Sh NAME 36*9da22751SDavid van Moolenbroek.Nm kvm_getloadavg 37*9da22751SDavid van Moolenbroek.Nd get system load averages 38*9da22751SDavid van Moolenbroek.Sh LIBRARY 39*9da22751SDavid van Moolenbroek.Lb libkvm 40*9da22751SDavid van Moolenbroek.Sh SYNOPSIS 41*9da22751SDavid van Moolenbroek.In sys/resource.h 42*9da22751SDavid van Moolenbroek.In kvm.h 43*9da22751SDavid van Moolenbroek.Ft int 44*9da22751SDavid van Moolenbroek.Fn kvm_getloadavg "kvm_t *kd" "double loadavg[]" "int nelem" 45*9da22751SDavid van Moolenbroek.Sh DESCRIPTION 46*9da22751SDavid van MoolenbroekThe 47*9da22751SDavid van Moolenbroek.Fn kvm_getloadavg 48*9da22751SDavid van Moolenbroekfunction returns the number of processes in the system run queue 49*9da22751SDavid van Moolenbroekof the kernel indicated by 50*9da22751SDavid van Moolenbroek.Fa kd , 51*9da22751SDavid van Moolenbroekaveraged over various periods of time. 52*9da22751SDavid van MoolenbroekUp to 53*9da22751SDavid van Moolenbroek.Fa nelem 54*9da22751SDavid van Moolenbroeksamples are retrieved and assigned to successive elements of 55*9da22751SDavid van Moolenbroek.Fa loadavg Ns Bq . 56*9da22751SDavid van MoolenbroekThe system imposes a maximum of 3 samples, representing averages 57*9da22751SDavid van Moolenbroekover the last 1, 5, and 15 minutes, respectively. 58*9da22751SDavid van Moolenbroek.Sh RETURN VALUES 59*9da22751SDavid van MoolenbroekIf the load average was unobtainable, \-1 is returned; otherwise, 60*9da22751SDavid van Moolenbroekthe number of samples actually retrieved is returned. 61*9da22751SDavid van Moolenbroek.Sh SEE ALSO 62*9da22751SDavid van Moolenbroek.Xr uptime 1 , 63*9da22751SDavid van Moolenbroek.Xr getloadavg 3 , 64*9da22751SDavid van Moolenbroek.Xr kvm 3 , 65*9da22751SDavid van Moolenbroek.Xr kvm_open 3 , 66*9da22751SDavid van Moolenbroek.Xr sysctl 3 67