[PATCH V3 0/6] perf/tools: Add interface to expose vpa dtl
    Athira Rajeev 
    atrajeev at linux.ibm.com
       
    Thu Sep 18 16:29:09 AEST 2025
    
    
  
> 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>
Thanks Adrian for sharing Reviewed-by 
Athira
> 
    
    
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