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:
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2. Redistributions in binary form must reproduce the above copyright
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documentation and/or other materials provided with the distribution.
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
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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
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@(#)getloadavg.3 8.1 (Berkeley) 6/4/93
$FreeBSD: releng/10.2/lib/libc/gen/getloadavg.3 165903 2007-01-09 00:28:16Z imp $
.Dd June 4, 1993 .Dt GETLOADAVG 3 .Os .Sh NAME .Nm getloadavg .Nd get system load averages .Sh LIBRARY .Lb libc .Sh SYNOPSIS n stdlib.h .Ft int .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 x 4.3 Reno .
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.
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
$FreeBSD: releng/10.2/lib/libc/gen/getloadavg.3 165903 2007-01-09 00:28:16Z imp $
.Dd June 4, 1993 .Dt GETLOADAVG 3 .Os .Sh NAME .Nm getloadavg .Nd get system load averages .Sh LIBRARY .Lb libc .Sh SYNOPSIS n stdlib.h .Ft int .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 x 4.3 Reno .