4.4BSD/usr/share/man/cat3/getloadavg.0

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GETLOADAVG(3)               BSD Programmer's Manual              GETLOADAVG(3)

NNAAMMEE
     ggeettllooaaddaavvgg - get system load averages

SSYYNNOOPPSSIISS
     ggeettllooaaddaavvgg(_d_o_u_b_l_e _l_o_a_d_a_v_g_[_], _i_n_t _n_e_l_e_m);

DDEESSCCRRIIPPTTIIOONN
     The ggeettllooaaddaavvgg() function returns the number of processes in the system
     run queue averaged over various periods of time.  Up to _n_e_l_e_m samples are
     retrieved and assigned to successive elements of _l_o_a_d_a_v_g[]. The system
     imposes a maximum of 3 samples, representing averages over the last 1, 5,
     and 15 minutes, respectively.

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

SSEEEE AALLSSOO
     uptime(1),  sysctl(2),  kvm_getloadavg(3)

HHIISSTTOORRYY
     The ggeettllooaaddaavvgg() function appeared in 4.3BSD-Reno.

4.4BSD                           June 4, 1993                                1