On Mon, Aug 15, 2022 at 08:48:36PM +0800, Like Xu wrote: > In the SDM world, we actually have three PEBS sub-features: > > [July 2017] 18.5.4.1 Extended PEBS (first on Goldmont Plus) > [January 2019] 18.9.2 Adaptive PEBS (first on Tremont) > [April 2021] IA32_PERF_CAPABILITIES.PEBS_BASELINE in the Table 2-2. IA-32 > Architectural MSRs > > Waiting Kan to confirm the real world. Right, so it's possible GLM would need the FMS thing, but AFAIK ICX has Baseline and therefore shouldn't need it.
