rbmemptr_stats
rbmemptr_stats(ring, index, cpcycles_start));
rbmemptr_stats(ring, index, alwayson_start));
rbmemptr_stats(ring, index, cpcycles_end));
rbmemptr_stats(ring, index, alwayson_end));
get_stats_counter(ring, rbbm_perfctr_cp0, rbmemptr_stats(ring, index, cpcycles_start));
get_stats_counter(ring, cp_always_on_context, rbmemptr_stats(ring, index, alwayson_start));
get_stats_counter(ring, rbbm_perfctr_cp0, rbmemptr_stats(ring, index, cpcycles_end));
get_stats_counter(ring, cp_always_on_context, rbmemptr_stats(ring, index, alwayson_end));