GETLOADAVG(3)                                       Linux Programmer's Manual                                      GETLOADAVG(3)



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 3.25 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/.



Linux                                                      2007-12-08                                              GETLOADAVG(3)