Re: [PATCH v2 2/6] KVM: x86/pmu: Refactoring find_arch_event() to pmc_perf_hw_id()

From: Ravi Bangoria
Date: Fri Feb 11 2022 - 04:56:38 EST




On 10-Feb-22 4:58 PM, Like Xu wrote:
> cc Kim and Ravi to help confirm more details about this change.
>
> On 10/2/2022 3:30 am, Jim Mattson wrote:
>> By the way, the following events from amd_event_mapping[] are not
>> listed in the Milan PPR:
>> { 0x7d, 0x07, PERF_COUNT_HW_CACHE_REFERENCES }
>> { 0x7e, 0x07, PERF_COUNT_HW_CACHE_MISSES }
>> { 0xd0, 0x00, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }
>> { 0xd1, 0x00, PERF_COUNT_HW_STALLED_CYCLES_BACKEND }
>>
>> Perhaps we should build a table based on amd_f17h_perfmon_event_map[]
>> for newer AMD processors?

I think Like's other patch series to unify event mapping across kvm
and host will fix it. No?
https://lore.kernel.org/lkml/20220117085307.93030-4-likexu@xxxxxxxxxxx

- Ravi