I think they were. Aside from the first half, Roma did very well in the first half and Real did nothing at all. But Roma didn't really create anything in the first half either, spending all their energy nullifying Madrid's attack. 2nd half when things opened up Roma was badly outplayed. That was what I saw watching the game. Real had 15 or 16 attempts at goal from within the Roma penalty area, and Roma had about 6 or 7.
James Rodriguez should have easily scored his header, Benzema had 2 chances he should have buried. Ronaldo should have buried at least one of his chances.
So between having almost triple the attempts on goal and chances from within the box, Madrid also had 61% of possession. I don't see how it can be seen any other way. Roma's outlet the entire game was Salah who was very capable of causing Madrid problems, but has absolutely appalling end product, both passing and finishing... He ended up being dispossessed or giving away the ball cheaply 90% of the time.