I will sometimes monitor the pitt temp and sometimes use a probe for the IT - but that is just to see what temp it is at, not to tell me when it is done or to check the "stall"
Actually, I use the "Ron Popeil" method - you know, when he was selling those counter top ovens he would say to "set it and forget it" ......
That is how I use the smoker. I know generally that something is going to take 6 or 8 or 12 hours, so, I put it in and "forget it".
I will check the pitt/smoker temp to see if I need to add any more fuel, but I don't open the lid until I think it is close to being done.
Never give a thought to a "stall", just don't get in a hurry when I am Q-ing