Comment 9 for bug 1103236

And that is setup as one would expect. So, let's try to piece together what is going on when vlc runs.

Can please report what is using the cpu (i.e. watch top) whilst playing back a video? Then follow that up with the highlights from 'sudo perf top --sort=dso' and 'sudo perf top' (apt-get install linux-tools). Just cut and paste the first few lines of where the time is spent at a random point of time during playback.