kvm_getloadavg(3) - NetBSD Manual Pages

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KVM_GETLOADAVG(3)         NetBSD Programmer's Manual         KVM_GETLOADAVG(3)


NAME

     kvm_getloadavg - get system load averages


SYNOPSIS

     #include <sys/resource.h>
     #include <kvm.h>

     int
     kvm_getloadavg(kvm_t *kd, double loadavg[], int nelem);


DESCRIPTION

     The kvm_getloadavg() function returns the number of processes in the sys-
     tem run queue of the kernel indicated by kd, averaged over various peri-
     ods of time.  Up to nelem samples are retrieved and assigned to succes-
     sive elements of loadavg[]. The system imposes a maximum of 3 samples,
     representing averages over the last 1, 5, and 15 minutes, respectively.


DIAGNOSTICS

     If the load average was unobtainable, -1 is returned; otherwise, the num-
     ber of samples actually retrieved is returned.


SEE ALSO

     uptime(1),  kvm(3),  sysctl(3),  getloadavg(3)

4.4BSD                           June 4, 1993                                1