> >> Since you seem to want to keep the flexibility for a possible future > >> where per-domain is needed. The "available_mbm_cntrs" file > >> suggested in another thread would need to list available counters > >> on each domain to avoid ABI problems should that future arrive. > >> > >> $ cat num_mbm_counters > >> 32 > >> > >> $ cat available_mbm_cntrs > >> 0=12;1=9 > > > > Good point. > > > > Working on this now. Wanted to confirm if we really need domain specific > information? > > To me, it does not seem necessary for the user. User cannot make any > decisions based on this information. > > All user wants to know is if there are global counters available. > > $ cat num_mbm_counters > 32 > > $ cat available_mbm_cntrs > 15 This approach paints resctrl into an ABI corner where it can't later update resctrl to track counters per-domain. Maybe you'll never want to do that, but some other architecture might want to have that flexibility. -Tony
