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authorJesse Barnes <jbarnes@virtuousgeek.org>2010-07-01 19:47:31 -0400
committerDave Airlie <airlied@redhat.com>2010-07-02 00:02:44 -0400
commitac2874b980e05ed7a4ea8fed7b0a92428b51ce58 (patch)
tree71c0c8e4abe395a46ca21d2bdc3493cce19719e7 /drivers/gpu/drm/drm_trace.h
parent97e0214044d9f279a3d6286c9f859696ef0b7ebe (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_trace.h')
-rw-r--r--drivers/gpu/drm/drm_trace.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_trace.h b/drivers/gpu/drm/drm_trace.h
new file mode 100644
index 000000000000..8a92683f14ec
--- /dev/null
+++ b/drivers/gpu/drm/drm_trace.h
@@ -0,0 +1,37 @@
1#if !defined(_DRM_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
2#define _DRM_TRACE_H_
3
4#include <linux/stringify.h>
5#include <linux/types.h>
6#include <linux/tracepoint.h>
7
8#undef TRACE_SYSTEM
9#define TRACE_SYSTEM drm
10#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
11#define TRACE_INCLUDE_FILE drm_trace
12
13TRACE_EVENT(drm_vblank_event,
14
15 TP_PROTO(int crtc, unsigned int seq),
16
17 TP_ARGS(crtc, seq),
18
19 TP_STRUCT__entry(
20 __field(int, crtc)
21 __field(unsigned int, seq)
22 ),
23
24 TP_fast_assign(
25 __entry->crtc = crtc;
26 __entry->seq = seq;
27 ),
28
29 TP_printk("crtc=%d, seq=%d", __entry->crtc, __entry->seq)
30);
31
32#endif /* _DRM_TRACE_H_ */
33
34/* This part must be outside protection */
35#undef TRACE_INCLUDE_PATH
36#define TRACE_INCLUDE_PATH .
37#include <trace/define_trace.h>