Basically inspect 'sudo perf top' for pixman functions. There is a slim chance you trigger bug 59711 (as in I have no idea what that is about...) and end up with something in the Xorg.log.
Basically inspect 'sudo perf top' for pixman functions. There is a slim chance you trigger bug 59711 (as in I have no idea what that is about...) and end up with something in the Xorg.log.