[cairo] Pixman ARM Performance

[Jacob Bramley]

> Interesting. Could you post the more interesting snippets from
> './cairo-perf-diff-files pixman-0.12.0.perf pixman-0.15.16.perf'?

[See my response to Soeren's post.]

> Are you in a position where you can regularly run ./cairo-perf (and
> hopefully cairo-perf-trace!) on the ARM platform, as I think a lot of
> people would be interested in the results and the continuous monitoring.
> If you could even grab the occasional profile, that'll provide
> entertainment for these rainy summer days.

Yep! It's very likely that either myself or someone else here will 
monitor cairo-perf on ARM.