drm: add vblank event trace point
authorJesse Barnes <jbarnes@virtuousgeek.org>
Thu, 1 Jul 2010 23:47:31 +0000 (16:47 -0700)
committerDave Airlie <airlied@redhat.com>
Fri, 2 Jul 2010 04:02:44 +0000 (14:02 +1000)
Emit a trace point for vblank events.  This can be helpful for mapping
drawing activity against the vblank frequency and period.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

No differences found