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hr_pmu
Journeyman III

Performance Monitor Counter for L2 Pending Request

Hello AMD Developer Community,

I am trying to calculate the Pending Request on L2 Cache or L2 MLP (Maximum Level Parallelism) on AMD EPYC 7763 64-Core Processor using the below formulae -

L2 Pending Request = L2 Cache Miss (Event[0x430964] + Event[0x431F71] + Event[0x431F72]) - L2 Refill (x165). However, L2 Cache Miss >> L2 Refill.

Does anyone know the exact formulae to calculate L2 pending requests using PMU?

 

 

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