Re: [PATCH v4 1/2] sched/topology: improve topology_span_sane speed

[Leon Romanovsky]

On Tue, Jun 17, 2025 at 08:34:53AM +0530, K Prateek Nayak wrote:
> Hello Steve,

<...>

> Leon, could you also paste the output of numactl -H from within the
> guest please. I'm wondering if the NUMA topology makes a difference
> here somehow.

[leonro@vm ~]$ sudo numactl -H
available: 5 nodes (0-4)
node 0 cpus: 0 1
node 0 size: 2927 MB
node 0 free: 1603 MB
node 1 cpus: 2 3
node 1 size: 3023 MB
node 1 free: 3008 MB
node 2 cpus: 4 5
node 2 size: 3023 MB
node 2 free: 3007 MB
node 3 cpus: 6 7
node 3 size: 3023 MB
node 3 free: 3002 MB
node 4 cpus: 8 9
node 4 size: 3022 MB
node 4 free: 2718 MB
node distances:
node   0   1   2   3   4 
  0:  10  39  38  37  36 
  1:  39  10  38  37  36 
  2:  38  38  10  37  36 
  3:  37  37  37  10  36 
  4:  36  36  36  36  10 


> 
> -- 
> Thanks and Regards,
> Prateek
>