Re: [PATCH V5 4/8] perf/x86/intel/uncore: add new data structures for free running counters

[Stephane Eranian]

On Fri, Jan 19, 2018 at 12:24 PM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
>> Oh, think a bit more.
>> I think we cannot do the same thing as we did for CPU PMU's fixed counters.
>>
>> The counters here are free running counters. They cannot be start/stop.
>
> Yes free running counter have completely different semantics. They
> need a separate event code.
>
Are you saying, you can be shared with no multiplexing?

> -Andi