diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-07-01 16:47:31 -0700 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-07-02 14:02:44 +1000 |
| commit | ac2874b980e05ed7a4ea8fed7b0a92428b51ce58 (patch) | |
| tree | 71c0c8e4abe395a46ca21d2bdc3493cce19719e7 /drivers/gpu/drm/drm_irq.c | |
| parent | 97e0214044d9f279a3d6286c9f859696ef0b7ebe (diff) | |
drm: add vblank event trace point
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>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index a263b7070fc6..6d201a89441c 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -34,6 +34,7 @@ */ #include "drmP.h" +#include "drm_trace.h" #include <linux/interrupt.h> /* For task queue support */ #include <linux/slab.h> @@ -754,6 +755,8 @@ void drm_handle_vblank_events(struct drm_device *dev, int crtc) } spin_unlock_irqrestore(&dev->event_lock, flags); + + trace_drm_vblank_event(crtc, seq); } /** |