Hello,
Using a Ryzen 9 3950X ; calling CPUID Fn8000_0007_ECX[31:0] to read CpuPwrSampleTimeRatio returns zero
Thus the following formula from the Architecture Programmer Manual can't be applied:
N = CPUID Fn8000_0007_ECX[31:0]
PwrCPUave = N * Jdelta / (Ty - Tx)
