dr_cpu_stat_t
dr_cpu_stat_t *resp_stat;
stat_len = sizeof (dr_cpu_stat_t) * nstat;
dr_cpu_stat_t *stat;
rlen += req->num_records * sizeof (dr_cpu_stat_t);
#define DR_CPU_RESP_STATS(_hdr) ((dr_cpu_stat_t *)((_hdr) + 1))