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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 3.22 of the Linux man-pages project.  A description of the project,  and  informa-
       tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.



Linux                             2007-12-08                     GETLOADAVG(3)