Messages in this thread | | | Subject | Re: [PATCH V7 00/18] KVM: x86/pmu: Add *basic* support to enable guest PEBS via DS | From | Like Xu <> | Date | Mon, 12 Jul 2021 18:34:17 +0800 |
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On 12/7/2021 9:37 am, Liuxiangdong wrote: > Hi, Lingshan. > > We can use basic pebs for KVM Guest on ICX by this patches set. Will we > consider supporting "perf mem" for KVM Guest? >
I suggest we can enable more advanced PEBS features after the basic support hits the mainline.
> AFAIK, the load latency facility requires processor supporting PEBS. > Besides, it needs MSR_PEBS_LD_LAT_THRESHOLD > msr (3F6H) to specify the desired latency threshold. How about > passthrough this msr to Guest? > > Thanks! > Xiangdong Liu > >
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