On Wed, Nov 09, 2022 at 04:28:02PM +0800, Like Xu wrote: > From: Like Xu <likexu@xxxxxxxxxxx> > > According to Intel SDM, the EPT-friendly PEBS is supported by all the > platforms after ICX, ADL and the future platforms with PEBS format 5. > > Currently the only in-kernel user of this capability is KVM, which has > very limited support for hybrid core pmu, so ADL and its successors do > not currently expose this capability. When both hybrid core and PEBS > format 5 are present, KVM will decide on its own merits. Oh right; the whole ADL KVM trainwreck :/ What's the plan there? > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: linux-perf-users@xxxxxxxxxxxxxxx > Suggested-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> > Signed-off-by: Like Xu <likexu@xxxxxxxxxxx> > Reviewed-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> > --- > Nit: This change is proposed to be applied via the KVM tree. Works for me; Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
