Re: [RFC 1/4] drivers/nvdimm: Add perf interface to expose nvdimm performance stats

[kajoljain]

On 5/14/21 5:17 PM, Peter Zijlstra wrote:
> On Thu, May 13, 2021 at 05:56:14PM +0530, kajoljain wrote:
> 
>> But yes the current read/add/del functions are not adding value. We
>> could  add an arch/platform specific function which could handle the
>> capturing of the counter data and do the rest of the operation here,
>> is this approach better?
> 
> Right; have your register_nvdimm_pmu() set pmu->{add,del,read} to
> nd_pmu->{add,del,read} directly, don't bother with these intermediates.
> Also you can WARN_ON_ONCE() if any of them are NULL and fail
> registration at that point.
> 

Hi Peter,
    I will make all required changes and send next version of this patchset soon.

Thanks,
Kajol Jain