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SunOS 5.10 - man page for getloadavg (sunos section 3c)

getloadavg(3C)						   Standard C Library Functions 					    getloadavg(3C)

NAME
getloadavg - get system load averages
SYNOPSIS
#include <sys/loadavg.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 sam- ples 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. The LOADAVG_1MIN, LOADAVG_5MIN, and LOADAVG_15MIN indices, defined in <sys/loadavg.h>, can be used to extract the data from the appropriate element of the loadavg[] array.
RETURN VALUES
Upon successful completion, the number of samples actually retrieved is returned. If the load average was unobtainable, -1 is returned and errno is set to indicate the error.
ERRORS
The getloadavg() function will fail if: EINVAL The number of elements specified is less than 0.
USAGE
If the caller is in a non-global zone and the pools facility is active, the behavior of getloadavg() is equivalent to that of pset_getload- avg(3C) called with psetid set to PS_MYID.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Async-Signal-Safe | +-----------------------------+-----------------------------+
SEE ALSO
uptime(1), w(1), pooladm(1M), Kstat(3PERL), pset_getloadavg(3C), standards(5) SunOS 5.10 28 Jun 2004 getloadavg(3C)

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