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7d52cb88c9
We might as well dump the drm_file pointer, that's about as useful
a cookie as the pid. Noticed while typing docs for drm_file and friends.
Since the only consumer of this is the tracepoints I think we can safely
change this - those tracepoints should not be uapi relevant at all. It
all goes back to
commit b9c2c9ae88
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Thu Jul 1 16:48:09 2010 -0700
drm: add per-event vblank event trace points
which doesn't give a special justification for using pid over a pointer.
Also note that the nouveau code setting it is entirely pointless:
Since this isn't a vblank event, it will never hit the vblank
tracepoints.
Cc: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170308141257.12119-11-daniel.vetter@ffwll.ch
66 lines
1.7 KiB
C
66 lines
1.7 KiB
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_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=%u", __entry->crtc, __entry->seq)
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);
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TRACE_EVENT(drm_vblank_event_queued,
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TP_PROTO(struct drm_file *file, int crtc, unsigned int seq),
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TP_ARGS(file, crtc, seq),
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TP_STRUCT__entry(
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__field(struct drm_file *, file)
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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->file = file;
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__entry->crtc = crtc;
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__entry->seq = seq;
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),
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TP_printk("file=%p, crtc=%d, seq=%u", __entry->file, __entry->crtc, \
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__entry->seq)
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);
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TRACE_EVENT(drm_vblank_event_delivered,
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TP_PROTO(struct drm_file *file, int crtc, unsigned int seq),
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TP_ARGS(file, crtc, seq),
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TP_STRUCT__entry(
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__field(struct drm_file *, file)
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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->file = file;
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__entry->crtc = crtc;
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__entry->seq = seq;
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),
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TP_printk("file=%p, crtc=%d, seq=%u", __entry->file, __entry->crtc, \
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__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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