Messages in this thread | | | Date | Mon, 14 Nov 2022 13:46:27 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3 3/3] perf/x86/intel: Expose EPT-friendly PEBS for SPR and future models |
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On Wed, Nov 09, 2022 at 04:28:02PM +0800, Like Xu wrote: > From: Like Xu <likexu@tencent.com> > > 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@infradead.org> > Cc: linux-perf-users@vger.kernel.org > Suggested-by: Kan Liang <kan.liang@linux.intel.com> > Signed-off-by: Like Xu <likexu@tencent.com> > Reviewed-by: Kan Liang <kan.liang@linux.intel.com> > --- > Nit: This change is proposed to be applied via the KVM tree.
Works for me;
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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