> On Jan 25, 2019, at 2:42 PM, Liang, Kan <kan.li...@linux.intel.com> wrote:
>
>
>
> 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
I see. That works:
[root@rtptest10787.snc1 /sys/bus/event_source/devices/uncore_imc_0]# cat cpumask
0,28,56,84,112,140,168,196
I think this solves all the problems.
Thanks again!
Song
