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ac2874b980
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>
38 lines
767 B
C
38 lines
767 B
C
#if !defined(_DRM_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
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#define _DRM_TRACE_H_
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#include <linux/stringify.h>
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM drm
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#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
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#define TRACE_INCLUDE_FILE drm_trace
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TRACE_EVENT(drm_vblank_event,
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TP_PROTO(int crtc, unsigned int seq),
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TP_ARGS(crtc, seq),
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TP_STRUCT__entry(
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__field(int, crtc)
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__field(unsigned int, seq)
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),
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TP_fast_assign(
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__entry->crtc = crtc;
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__entry->seq = seq;
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),
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TP_printk("crtc=%d, seq=%d", __entry->crtc, __entry->seq)
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);
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#endif /* _DRM_TRACE_H_ */
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#include <trace/define_trace.h>
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