PopDiagTraceSystemLatencyUpdate

VOID __stdcall PopDiagTraceSystemLatencyUpdate(UINT8 Rundown, UINT64 LatencyLimit){
  REGHANDLE v3; 
  const _EVENT_DESCRIPTOR *v4; 
  const _EVENT_DESCRIPTOR *v5; 
  _EVENT_DATA_DESCRIPTOR UserData; 
  int v7; 

  v7 = LatencyLimit;
  if( PopDiagHandleRegistered )
  {
    v3 = PopDiagHandle;
    v4 = &POP_ETW_EVENT_SYSTEM_LATENCY_UPDATE;
    if( Rundown )
      v4 = (const _EVENT_DESCRIPTOR *)POP_ETW_EVENT_SYSTEM_LATENCY_RUNDOWN;
    if( EtwEventEnabled(PopDiagHandle, v4) )
    {
      UserData.Reserved = 0;
      UserData.Ptr = (unsigned __int64)&v7;
      UserData.Size = 4;
      v5 = (const _EVENT_DESCRIPTOR *)POP_ETW_EVENT_SYSTEM_LATENCY_RUNDOWN;
      if( !Rundown )
        v5 = &POP_ETW_EVENT_SYSTEM_LATENCY_UPDATE;
      EtwWriteEx(v3, v5, 0i64, 0, 0, 0, 1u, &UserData);
    }
  }
}

Referenced by:

PoFxSendSystemLatencyUpdate
PopDiagTraceControlCallback