On Fri, Feb 11, 2022 at 1:56 AM Ravi Bangoria <ravi.bangoria@xxxxxxx> wrote: > > > > 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 Yes, that should fix it. But why do we even bother? What is the downside of using PERF_TYPE_RAW all of the time?