Comment 11 for bug 73744

Reported by 'top'. Ok, I know it's not the best method. I've got some complex math software, I tried to run with niced to +10 or such (to avoid r.box to glitch by lacking enough cpu time slice), and discovers that time needed to compute somehing grows while running r.box as well compared to the situation when r.box is not running or not playing anything (also done witth just gst-launch-0.10 playbin). If I compares the time I got about the same CPU usage "stolen" from math software that r.box uses reported by top. I don't know however if it's a correct method or not :)