netloc is the tool you want to use.
Look in the latest hwloc dovumentation
On Wed, 20 Sep 2023, 13:55 John Hearns, <hear...@gmail.com> wrote:
> I did manage to get the graphical netloc utility working once. Part of the
> hwloc/openmpi project.
>
> It produces a very pretty image of I topology. I think if you zoom in you
> can get neighbours.
> A few years since I used it.
>
> On Tue, 19 Sep 2023, 19:03 Michael DiDomenico, <mdidomeni...@gmail.com>
> wrote:
>
>> does anyone know if there's a simple command to pull the neighbor of
>> the an ib port? for instance, this horrible shell command line
>>
>> # for x in `ibstat | awk -F \' '/^CA/{print $2}'`; do iblinkinfo -C
>> ${x} -n 1 -l | grep `hostname -s`; done
>> 0x080069000000fbcc "SwitchX - Mellanox Technologies" 41134 29[ ]
>> ==( 4X 14.0625 Gbps Active/ LinkUp)==> 0x88e9a4ffff404704
>> 611 1[ ] "logs01 HCA-1" ( )
>> 0x88e9a4ffff404704 " logs01 HCA-1" 611 1[ ]
>> ==( 4X 14.0625 Gbps Active/ LinkUp)==> 0x080069000000fbcc
>> 41134 29[ ] "SwitchX - Mellanox Technologies" ( )
>> 0x080069000000fbdc "SwitchX - Mellanox Technologies" 41219 29[ ]
>> ==( 4X 14.0625 Gbps Active/ LinkUp)==> 0x88e9a4ffff404705
>> 10105 1[ ] "logs01 HCA-2" ( )
>> 0x88e9a4ffff404705 " logs01 HCA-2" 10105 1[ ]
>> ==( 4X 14.0625 Gbps Active/ LinkUp)==> 0x080069000000fbdc
>> 41219 29[ ] "SwitchX - Mellanox Technologies" ( )
>>
>> outputs what i need (though i only need the CA perspective), but it's
>> going to be an atrocious effort in text parsing. would be nice if
>> there was a nice simple command, preferably that outputs json, but
>> that's likely wishful thinking
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