Hi Babu, On 10/29/24 4:21 PM, Babu Moger wrote: > The mbm_cntr_assign mode provides an option to the user to assign a > counter to an RMID, event pair and monitor the bandwidth as long as > the counter is assigned. Number of assignments depend on number of > monitoring counters available. > > Provide the interface to display the number of monitoring counters > supported. The interface file 'num_mbm_cntrs' is available when an > architecture supports mbm_cntr_assign mode. > As mentioned in previous patch, do you think it may be possible to have a value for num_mbm_cntrs for non-ABMC AMD systems? If that is available and always exposed to user space (irrespective of mbm_cntr_assign mode) then it would be clear to user space on benefits/risks of running a "default" mode. Reinette