Messages in this thread | | | Date | Tue, 28 Feb 2023 16:31:09 -0600 | Subject | Re: [PATCH 7/7] x86/resctrl: Determine if Sub-NUMA Cluster is enabled and initialize. | From | "Moger, Babu" <> |
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On 2/28/2023 2:39 PM, Luck, Tony wrote: > 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.
You may need to document it.
Thanks
Babu
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