On 17 Sep 2025, at 11:28 AM, Adrian Hunter [off-list ref] wrote:

On 16/09/2025 08:25, Athira Rajeev wrote:

quoted

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 ?

Thanks
Athira