> -----Original Message-----
> From: Thomas Monjalon <tho...@monjalon.net>
> Sent: 2022年8月29日 21:15
> To: Nole Zhang <peng.zh...@corigine.com>; Chaoyong He
> <chaoyong...@corigine.com>
> Subject: Re: [PATCH v1] buildtools: ensure the NUMA nodes are counted
> correct
>
> 29/08/2022 13:17, Nole Zhang:
> > From: Thomas Monjalon <tho...@monjalon.net>
> > > 02/08/2022 09:54, Chaoyong He:
> > > > From: Peng Zhang <peng.zh...@corigine.com>
> > > >
> > > > Sorting a list of strings with the format "node[0-9]+" in order
> > > > to find the largest integer by looking at the last item after
> > > > the sort breaks. But if there are more then 10 items as a string
> > > > sort will sort "node10" before "node2", it will get the error NUMA
> > > > nodes.
> > >
> > > What is the error you are seeing?
> > >
> > >
> > We get the error NUMA, in this example, we get the NUMA nodes is 10,
> > But at fact, it has 11 NUMA.
>
> Please give more details, where do you see this error?
> We should know how to reproduce and check we have the same issue.
> Thanks
>
> Please reply with a detailed answer on the mailing list.
>
In the China Phytium S2500 CPU + INSPUR server, it has 16 NUMA.
The details are as follows:
~#: lscpu
Architecture: aarch64
CPU op-mode(s): 64-bit
Byte Order: Little Endian
CPU(s): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 1
Core(s) per socket: 64
Socket(s): 2
NUMA node(s): 16
Vendor ID: 0x70
Model: 3
Model name: S2500
Stepping: 0x1
BogoMIPS: 100.00
L1d cache: 4 MiB
L1i cache: 4 MiB
L2 cache: 64 MiB
L3 cache: 128 MiB
NUMA node0 CPU(s): 0-7
NUMA node1 CPU(s): 8-15
NUMA node2 CPU(s): 16-23
NUMA node3 CPU(s): 24-31
NUMA node4 CPU(s): 32-39
NUMA node5 CPU(s): 40-47
NUMA node6 CPU(s): 48-55
NUMA node7 CPU(s): 56-63
NUMA node8 CPU(s): 64-71
NUMA node9 CPU(s): 72-79
NUMA node10 CPU(s): 80-87
NUMA node11 CPU(s): 88-95
NUMA node12 CPU(s): 96-103
NUMA node13 CPU(s): 104-111
NUMA node14 CPU(s): 112-119
NUMA node15 CPU(s): 120-127
Flags: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
idivt lpae evtstrm
I use meson build -Dmax_lcores=detect -Dmax_numa_nodes=detect to compile, then
dpdk initialization only shows 10 numa.
