Re: perf/x86/intel/uncore

[Liang, Kan]

On 1/25/2019 5:24 PM, Song Liu wrote:
I also noticed that uncore_pci_probe() returns at

         if (atomic_inc_return(&pmu->activeboxes) > 1)
                 return 0;

for bus 1-7. So we only probed bus 0 (socket 0). Is this expected behavior?

We probed all, but only need to register PMU once.
It can be distinguished by cpumask. E.g. you may want to check 
"/sys/devices/uncore_imc_0/cpumask".


Thanks,
Kan