[PATCH V5 0/4] powerpc/perf: Add support for perf extended regs in powerpc

Athira Rajeev atrajeev at linux.vnet.ibm.com
Sat Aug 1 03:34:14 AEST 2020



> On 31-Jul-2020, at 1:20 AM, Jiri Olsa <jolsa at redhat.com> wrote:
> 
> On Thu, Jul 30, 2020 at 01:24:40PM +0530, Athira Rajeev wrote:
>> 
>> 
>>> On 27-Jul-2020, at 10:46 PM, Athira Rajeev <atrajeev at linux.vnet.ibm.com> wrote:
>>> 
>>> Patch set to add support for perf extended register capability in
>>> powerpc. The capability flag PERF_PMU_CAP_EXTENDED_REGS, is used to
>>> indicate the PMU which support extended registers. The generic code
>>> define the mask of extended registers as 0 for non supported architectures.
>>> 
>>> Patches 1 and 2 are the kernel side changes needed to include
>>> base support for extended regs in powerpc and in power10.
>>> Patches 3 and 4 are the perf tools side changes needed to support the
>>> extended registers.
>>> 
>> 
>> Hi Arnaldo, Jiri
>> 
>> please let me know if you have any comments/suggestions on this patch series to add support for perf extended regs.
> 
> hi,
> can't really tell for powerpc, but in general
> perf tool changes look ok
> 

Hi Jiri,
Thanks for checking the patchset.

Athira.

> jirka



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