Re: [PATCH V3 0/6] perf/tools: Add interface to expose vpa dtl

[Athira Rajeev <atrajeev@linux.ibm.com>]

> On 25 Sep 2025, at 9:57 PM, Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com> wrote:
> 
> 
> 
> On September 25, 2025 6:21:19 PM GMT+02:00, Athira Rajeev <atrajeev@linux.ibm.com> wrote:
>> 
>> 
>>> On 17 Sep 2025, at 11:28 AM, Adrian Hunter <adrian.hunter@intel.com> wrote:
>>> 
>>> On 16/09/2025 08:25, Athira Rajeev wrote:
>>>> The pseries Shared Processor Logical Partition(SPLPAR) machines can
>>>> retrieve a log of dispatch and preempt events from the hypervisor
>>>> using data from Disptach Trace Log(DTL) buffer. With this information,
>>>> user can retrieve when and why each dispatch & preempt has occurred.
>>>> The vpa-dtl PMU exposes the Virtual Processor Area(VPA) DTL counters
>>>> via perf.
>>>> 
>>>> - Patch 1 to 6 is perf tools side code changes to enable perf
>>>> report/script on perf.data file
>>> 
>>> For all patches 1 to 6:
>>> 
>>> Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
>> 
>> Hi All,
>> 
>> Looking for further comments if any on this patchset.
>> The kernel side patches for this feature which was sent as separate series is pulled to powerpc tree by Maddy
>> 
>> If the tools side changes looks good, can we have this merged to perf tools tree ?
> 
> 
> Sure, I'll look at it soon now that the kernel part is merged.
> 
> - Arnaldo
Sure, thanks Arnaldo 

Athira
>> 
>> Thanks
>> Athira
>> 
>>> 
>> 
> 
> - Arnaldo