linux-stable/drivers/gpu/drm/drm_trace.h
Jesse Barnes ac2874b980 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>
2010-07-02 14:02:44 +10:00

37 lines
767 B
C

#if !defined(_DRM_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
#define _DRM_TRACE_H_
#include <linux/stringify.h>
#include <linux/types.h>
#include <linux/tracepoint.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM drm
#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
#define TRACE_INCLUDE_FILE drm_trace
TRACE_EVENT(drm_vblank_event,
TP_PROTO(int crtc, unsigned int seq),
TP_ARGS(crtc, seq),
TP_STRUCT__entry(
__field(int, crtc)
__field(unsigned int, seq)
),
TP_fast_assign(
__entry->crtc = crtc;
__entry->seq = seq;
),
TP_printk("crtc=%d, seq=%d", __entry->crtc, __entry->seq)
);
#endif /* _DRM_TRACE_H_ */
/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#include <trace/define_trace.h>