When trying to determine whether RPS is working as intended, more
information is better. In particular, what interrupts are being
generated and the various thresholds for generating them.
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: NDeepak S <deepak.s@linux.intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>