Messages in this thread | | | From | "Luck, Tony" <> | Subject | RE: [PATCH 7/7] x86/resctrl: Determine if Sub-NUMA Cluster is enabled and initialize. | Date | Tue, 28 Feb 2023 20:39:31 +0000 |
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Babu wrote: > I am thinking loud here. Have you thought of addressing this problem? > When a new monitor group is created, new RMID is assigned. This is done by alloc_rmid. It does not know about the rmid_offset details. This will allocate the one of the free RMIDs. > When CPUs are assigned to the group, then per cpu pqr_state is updated. At that point, this RMID becomes default_rmid for that cpu.
Good point. This is a gap. I haven't handled assigning CPUs to resctrl groups when SNC is enabled.
I'm not sure this has a solution :-(
-Tony
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