#include <kstat.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/cpuvar.h>

int main()
{
        kstat_ctl_t     *kopen = NULL;
        kstat_t         **cpu_ks;
        cpu_stat_t      *cpu_stat;

        kstat_t         *lookup;
        kid_t           chaind_update;

        kstat_named_t   *data_lookup;

        if(!kopen)
        {
                kopen = kstat_open();

        }

/*      chaind_update = kstat_chain_update(kopen); */

        lookup = kstat_lookup(kopen, "unix", 0, "system_misc");

        if(kstat_read(kopen, lookup, 0) == -1)
                perror("kstat_read");

        data_lookup = kstat_data_lookup(lookup, "avenrun_1min");

        printf("1min : %d\n", data_lookup->value.ui32);

        data_lookup = kstat_data_lookup(lookup, "avenrun_5min");

        printf("5min : %d\n", data_lookup->value.ui32);

        data_lookup = kstat_data_lookup(lookup, "avenrun_15min");

        printf("15min: %d\n", data_lookup->value.ui32);

        kstat_close(kopen);
}

(E3500>root)/data# gcc -o kstat_cpu kstat_cpu.c -lkstat
gcc -o test uptime.c -lksat -D_SOLARIS_