Comment # 2 on bug 69827 from James Moe

>Does this still happen with the latest software, i.e. kernel 3.10,
> mesa 9.2, xf86-video-nouveau 1.0.9?
>
I do not know. My system is not that up to date. v3.7.10-1.16-desktop x86_64

> Also, does this happen on an untainted kernel?
>
Yes.

> Lastly, you can use 'perf' (in tools/perf in the linux-kernel sources) ...
>
There is no "perf" executable in that directory.