Re: [HTCondor-users] Wrapper/Knobs to "tune" GPU power limit (nvidia-smi -pl) per Job

[Greg Thain <gthain@xxxxxxxxxxx>]

On 2/13/26 08:49, Joachim Meyer wrote:
> Hi,
>
> we have a request from users to be able to "tune" a few machine 
> variables, like set a power or frequency cap on the GPU via nvidia-smi.
> As far as I understand, these commands do need root access. E.g. "sudo 
> nvidia-smi -i 0 -pl 300W" would reduce the power limit to 300W.

Hi Joachim:

We do not have a good way to do this. The USER_JOB_WRAPPER might be able 
to do this, but it does not have root privilege. In theory, one could 
right a setuid script that lowers the wattage of the gpu that you could 
put into the USER_JOB_WRAPPER, but I will leave it to you if that is a 
risk you'd be willing to take.

-greg