/* Save the performance counter value before running the MP procedure. */
VOID MpPerfBegin(IN UINTN CpuIndex, IN UINTN MpProcedureId)
/* Save the performance counter value before running the MP procedure. */
VOID MpPerfBegin(IN UINTN CpuIndex, IN UINTN MpProcedureId)
{
  mSmmMpProcedurePerformance[CpuIndex].Begin[MpProcedureId] = GetPerformanceCounter ();
}