Messages in this thread | | | Date | Mon, 15 Aug 2022 15:14:45 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 1/7] perf/x86/core: Update x86_pmu.pebs_capable for ICELAKE_{X,D} |
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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.
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