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NAME
       getloadavg - get system load averages


SYNOPSIS
       #define _BSD_SOURCE         /* See feature_test_macros(7) */
       #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)


COLOPHON
       This  page  is  part of release 3.54 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/.