Re: [PATCH v5 2/6] hwmon: (fam15h_power) Add compute unit accumulated power

[Peter Zijlstra]

On Mon, Mar 28, 2016 at 11:29:52AM +0200, Borislav Petkov wrote:
> I think you want something like this: iterate over each core and put one
> of them into the mask.
> 
> 	core = -1;
> 
> 	for_each_online_cpu(cpu) {
> 		this_core = topology_core_id(cpu);
> 
> 		if (this_core == core)
> 			continue;
> 
> 		core = this_core;
> 
> 		/* get any CPU on this compute unit */
> 		cpumask_set_cpu(cpumask_any(topology_sibling_cpumask(cpu)), mask);
> 	}

This will not in fact work for Intel, nor if I manage to one day
randomize our CPU numbers on AMD.