Re: [PATCH V2 1/5] powerpc/perf: Expose processor pipeline stage cycles using PERF_SAMPLE_WEIGHT_STRUCT

From: Michael Ellerman
Date: Sat Mar 27 2021 - 09:37:59 EST


Arnaldo <arnaldo.melo@xxxxxxxxx> writes:
> On March 25, 2021 11:38:01 AM GMT-03:00, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>>On Thu, Mar 25, 2021 at 10:01:35AM -0300, Arnaldo Carvalho de Melo
>>wrote:.
>>> > > Also for CPU_FTR_ARCH_31, capture the two cycle counter
>>information in
>>> > > two 16 bit fields of perf_sample_weight structure.
>>> >
>>> > Changes looks fine to me.
>>> >
>>> > Reviewed-by: Madhavan Srinivasan <maddy@xxxxxxxxxxxxx>
>>>
>>> So who will process the kernel bits? I'm merging the tooling parts,
>>
>>I was sorta expecting these to go through the powerpc tree. Let me know
>>if you want them in tip/perf/core instead.
>
> Shouldn't matter by which tree it gets upstream, as long as it gets picked :-)

I plan to take them, just haven't got around to it yet :}

cheers