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pset_getloadavg(3c)

pset_getloadavg(3C)      Standard C Library Functions      pset_getloadavg(3C)

NAME
       pset_getloadavg - get system load averages for a processor set

SYNOPSIS
       #include <sys/pset.h>
       #include <sys/loadavg.h>

       int pset_getloadavg(psetid_t pset, double loadavg[], int nelem);

DESCRIPTION
       The pset_getloadavg() function returns the number of processes assigned
       to  the specified processor set that are in the system run queue, aver‐
       aged 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.


       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.


       If  pset  is  PS_NONE, the load average for processes not assigned to a
       processor set is returned.


       If pset is PS_MYID, the load average for the processor set to which the
       caller is bound is returned. If the caller is not bound to a  processor
       set, the result is the same as if PS_NONE was specified.

RETURN VALUES
       Upon successful completion, the number of samples actually retrieved is
       returned.  If  the  load  average was unobtainable or the processor set
       does not exist, −1 is returned and errno is set to indicate the error.

ERRORS
       The pset_getloadavg() function will fail if:

       EINVAL    The number of elements specified is less than 0,  or  an  in‐
                 valid processor set ID was specified.

                 The caller is in a non-global zone, the pools facility is ac‐
                 tive,  and  the  specified  processor  set is not that of the
                 zone's pool.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE  TYPEAT‐
       TRIBUTE  VALUE  _  Interface StabilityCommitted _ MT-LevelAsync-Signal-
       Safe


SEE ALSO
       uptime(1),  w(1),  pset_bind(2),  pset_create(2),  attributes(7),   pr‐
       stat(8), psrset(8)

Oracle Solaris 11.4               23 Jul 2020              pset_getloadavg(3C)
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