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

[Arnaldo Carvalho de Melo]

On September 25, 2025 6:21:19 PM GMT+02:00, Athira Rajeev <atrajeev at linux.ibm.com> wrote:
>
>
>> On 17 Sep 2025, at 11:28 AM, Adrian Hunter <adrian.hunter at 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 at 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
>
>Thanks
>Athira
>
>> 
>

- Arnaldo