GETLOADAVG
Section: Linux Programmer's Manual (3)
Updated: 2016-03-15
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NAME
getloadavg - get system load averages
SYNOPSIS
#include <stdlib.h>
int getloadavg(double loadavg[], int nelem);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
getloadavg():
Since glibc 2.19:
_DEFAULT_SOURCE
In glibc up to and including 2.19:
_BSD_SOURCE
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.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
| Interface | Attribute | Value
|
|
getloadavg()
| Thread safety | MT-Safe
|
CONFORMING TO
Not in POSIX.1.
Present on the BSDs and Solaris.
SEE ALSO
uptime(1),
proc(5)
COLOPHON
This page is part of release 4.13 of the Linux
man-pages
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
https://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- VERSIONS
-
- ATTRIBUTES
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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|
- Running on 
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:
: 