$ while true; do xdotool getmouselocation | sed 's/x:\(.*\) y:\(.*\) screen:.*/\1, \2/' >> ./mouse-tracking; sleep 10; done
Will track your mouse and save it to a file.
You can use gnuplot to graph it:
gnuplot -persist <(echo "unset key;unset border;unset yzeroaxis;unset xtics;unset ytics;unset ztics;plot './mouse-tracking' with points lt 1 pt 6 ps variable")
Diff your entire server config at ScriptRock.com