NAME

       getloadavg - get system load averages

LIBRARY

       Standard C library (libc, -lc)

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 since glibc 2.2.

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       ┌───────────────────────────────────────────────────────────────┬───────────────┬─────────┐
       │Interface                                                      │ Attribute     │ Value   │
       ├───────────────────────────────────────────────────────────────┼───────────────┼─────────┤
       │getloadavg()                                                   │ Thread safety │ MT-Safe │
       └───────────────────────────────────────────────────────────────┴───────────────┴─────────┘

STANDARDS

       Not in POSIX.1.  Present on the BSDs and Solaris.

SEE ALSO

       uptime(1), proc(5)