QML Profiler fails to connect to server

Question

I\'m trying to use QML Profiler to find out what is slowing my program down, but when I start it, I get this message:

QML Profiler: Connecting to de         


        

Answer 1

I met the same issue today when remote device profiling, it's caused by the qmlprofiler port was already been used.

I found the error message: QML Debugger: Unable to listen to port 10000

then check port on my device: lsof -i :10000, there indeed a process is using port 10000.

so I changed the qmlprofiler port to 10001 in below, the problem solved: