GETLOADAVG
Section: Linux Programmer's Manual (3)
Updated: 2007-12-08
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NAME
getloadavg - get system load averages
SYNOPSIS
#define _BSD_SOURCE
#include <stdlib.h>
int getloadavg(double loadavg[], int nelem);
DESCRIPTION
The
getloadavg()
function returns the number of processes in the system run queue
averaged over various periods of time.
Up to
nelem
samples are retrieved and assigned to successive elements of
loadavg[].
The system imposes a maximum of 3 samples, representing averages
over the last 1, 5, and 15 minutes, respectively.
RETURN VALUE
If the load average was unobtainable, -1 is returned; otherwise,
the number of samples actually retrieved is returned.
VERSIONS
This function is available in glibc since version 2.2.
CONFORMING TO
Not in POSIX.1-2001.
Present on the BSDs and Solaris.
SEE ALSO
uptime(1),
proc(5),
feature_test_macros(7)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- VERSIONS
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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