Hi Babu, On 8/14/25 7:25 PM, Babu Moger wrote: > Resctrl provides a user-configurable option mbm_assign_on_mkdir that > determines if a counter will automatically be assigned to an RMID, event > pair when its associated monitor group is created via mkdir. > > Enable mbm_assign_on_mkdir by default to automatically assign counters to > the two default events (MBM total and MBM local) of a new monitoring group > created via mkdir. This maintains backward compatibility with original > resctrl support for these two events. > > Unassign and free counters belonging to a monitoring group when the group > is deleted. > > Monitor group creation does not fail if a counter cannot be assigned to one > or both events. There may be limited counters and users have the > flexibility to modify counter assignments at a later time. Log the error > message "Failed to allocate counter for <event> in domain <id>" in > /sys/fs/resctrl/info/last_cmd_status when a new monitoring group is created > but counter assignment failed. > > Signed-off-by: Babu Moger <babu.moger@xxxxxxx> > --- Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx> Reinette
