|File: [cvs.NetBSD.org] / src / lib / libc / gen / getloadavg.3 (download)
Revision 1.15, Tue Apr 12 04:55:05 2011 UTC (2 years, 1 month ago) by jruoho
CVS Tags: yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, tls-maxphys-nbase, tls-maxphys-base, tls-maxphys, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, cherry-xenmp-base, cherry-xenmp, agc-symver-base, agc-symver, HEAD
Changes since 1.14: +3 -3
Use RETURN VALUES rather than DIAGNOSTIC for... return values.
.\" $NetBSD: getloadavg.3,v 1.15 2011/04/12 04:55:05 jruoho Exp $
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.\" @(#)getloadavg.3 8.1 (Berkeley) 6/4/93
.Dd April 12, 2011
.Dt GETLOADAVG 3
.Nd get system load averages
.Fn getloadavg "double loadavg" "int nelem"
function returns the number of processes in the system run queue
averaged over various periods of time.
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 RETURN VALUES
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
function appeared in
.Bx 4.3 Reno .