Hi Babu, On 8/14/25 7:25 PM, Babu Moger wrote: > The "mbm_event" counter assignment mode offers "num_mbm_cntrs" number of > counters that can be assigned to RMID, event pairs and monitor bandwidth > usage as long as it is assigned. If all the counters are in use, the kernel > logs the error message "Failed to allocate counter for <event> in domain > <id>" in /sys/fs/resctrl/info/last_cmd_status when a new assignment is > requested. > > To make space for a new assignment, users must unassign an already > assigned counter and retry the assignment again. > > Add the functionality to unassign and free the counters in the domain. > Also, add the helper rdtgroup_unassign_cntrs() to unassign counters in the > group. > > Signed-off-by: Babu Moger <babu.moger@xxxxxxx> > --- Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx> Reinette
