cstate_counter_arch_info
static struct cstate_counter_arch_info ccstate_counter_arch_infos[] = {
int add_cstate_perf_counter(int cpu, struct cstate_counter_info_t *cci, const struct cstate_counter_arch_info *cai)
const struct cstate_counter_arch_info *cai = &ccstate_counter_arch_infos[cidx];
struct cstate_counter_arch_info *const cai = &ccstate_counter_arch_infos[i];