> > What is the use case for needing to expose the individual cluster counts? What if > > resctrl just summed the cluster counts and presented the data as before - per L3 > > cache instance? I doubt that resctrl would be what applications would use to verify > > whether they are "well behaved" wrt NUMA. > > Reinette, > > My (perhaps naïve) belief is that in a cloud server environment there are many > well behaved NUMA applications. Only presenting the sum would lose the detailed > information from each SNC node. Is the answer to "A" or "B" ... why not provide both: $ ls -l /sys/fs/resctrl/mon_data total 0 dr-xr-xr-x. 2 root root 0 Mar 18 14:01 mon_L3_00 dr-xr-xr-x. 2 root root 0 Mar 18 14:01 mon_L3_01 dr-xr-xr-x. 2 root root 0 Mar 18 14:01 mon_NODE_00 dr-xr-xr-x. 2 root root 0 Mar 18 14:01 mon_NODE_01 dr-xr-xr-x. 2 root root 0 Mar 18 14:01 mon_NODE_02 dr-xr-xr-x. 2 root root 0 Mar 18 14:01 mon_NODE_03 The "L3" entries provide the sum across all SNC nodes sharing the cache. The NODE ones give the broken out counts. -Tony
