GETLOADAVGSection: Linux Programmer's Manual (3)
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NAMEgetloadavg - get system load averages
#define _BSD_SOURCE /* See feature_test_macros(7) */ #include <stdlib.h> int getloadavg(double loadavg, int nelem);
DESCRIPTIONThe 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 VALUEIf the load average was unobtainable, -1 is returned; otherwise, the number of samples actually retrieved is returned.
VERSIONSThis function is available in glibc since version 2.2.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
CONFORMING TONot in POSIX.1. Present on the BSDs and Solaris.
SEE ALSOuptime(1), proc(5)
COLOPHONThis page is part of release 4.04 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 http://www.kernel.org/doc/man-pages/.
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