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NetBSD 6.1.5 - man page for getloadavg (netbsd section 3)

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GETLOADAVG(3)			   BSD Library Functions Manual 		    GETLOADAVG(3)

NAME
     getloadavg -- get system load averages

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #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 VALUES
     If the load average was unobtainable, -1 is returned; otherwise, the number of samples actu-
     ally retrieved is returned.

SEE ALSO
     uptime(1), kvm_getloadavg(3), sysctl(3)

HISTORY
     The getloadavg() function appeared in 4.3BSD-Reno.

BSD					  April 12, 2011				      BSD
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