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[media] v4l2-dev: use event class to deduplicate v4l2 trace events 

Trace events with exactly the same parameters and trace output, such as
v4l2_qbuf and v4l2_dqbuf, are supposed to use the DECLARE_EVENT_CLASS and
DEFINE_EVENT macros instead of duplicated TRACE_EVENT macro calls.

Suggested-by: Steven Rostedt <rostedt@goodmis.org>

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Philipp Zabel 2015-07-10 10:49:24 -03:00 committed by Mauro Carvalho Chehab
parent 6727d4fce9
commit 85efe4e508
1 changed files with 79 additions and 83 deletions
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162
include/trace/events/v4l2.h
View File

@ -93,90 +93,86 @@ SHOW_FIELD
{ V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
{ V4L2_TC_USERBITS_8BITCHARS, "USERBITS_8BITCHARS" })
#define V4L2_TRACE_EVENT(event_name) \
TRACE_EVENT(event_name, \
TP_PROTO(int minor, struct v4l2_buffer *buf), \
\
TP_ARGS(minor, buf), \
\
TP_STRUCT__entry( \
__field(int, minor) \
__field(u32, index) \
__field(u32, type) \
__field(u32, bytesused) \
__field(u32, flags) \
__field(u32, field) \
__field(s64, timestamp) \
__field(u32, timecode_type) \
__field(u32, timecode_flags) \
__field(u8, timecode_frames) \
__field(u8, timecode_seconds) \
__field(u8, timecode_minutes) \
__field(u8, timecode_hours) \
__field(u8, timecode_userbits0) \
__field(u8, timecode_userbits1) \
__field(u8, timecode_userbits2) \
__field(u8, timecode_userbits3) \
__field(u32, sequence) \
), \
\
TP_fast_assign( \
__entry->minor = minor; \
__entry->index = buf->index; \
__entry->type = buf->type; \
__entry->bytesused = buf->bytesused; \
__entry->flags = buf->flags; \
__entry->field = buf->field; \
__entry->timestamp = \
timeval_to_ns(&buf->timestamp); \
__entry->timecode_type = buf->timecode.type; \
__entry->timecode_flags = buf->timecode.flags; \
__entry->timecode_frames = \
buf->timecode.frames; \
__entry->timecode_seconds = \
buf->timecode.seconds; \
__entry->timecode_minutes = \
buf->timecode.minutes; \
__entry->timecode_hours = buf->timecode.hours; \
__entry->timecode_userbits0 = \
buf->timecode.userbits[0]; \
__entry->timecode_userbits1 = \
buf->timecode.userbits[1]; \
__entry->timecode_userbits2 = \
buf->timecode.userbits[2]; \
__entry->timecode_userbits3 = \
buf->timecode.userbits[3]; \
__entry->sequence = buf->sequence; \
), \
\
TP_printk("minor = %d, index = %u, type = %s, " \
"bytesused = %u, flags = %s, " \
"field = %s, timestamp = %llu, timecode = { " \
"type = %s, flags = %s, frames = %u, " \
"seconds = %u, minutes = %u, hours = %u, " \
"userbits = { %u %u %u %u } }, " \
"sequence = %u", __entry->minor, \
__entry->index, show_type(__entry->type), \
__entry->bytesused, \
show_flags(__entry->flags), \
show_field(__entry->field), \
__entry->timestamp, \
show_timecode_type(__entry->timecode_type), \
show_timecode_flags(__entry->timecode_flags), \
__entry->timecode_frames, \
__entry->timecode_seconds, \
__entry->timecode_minutes, \
__entry->timecode_hours, \
__entry->timecode_userbits0, \
__entry->timecode_userbits1, \
__entry->timecode_userbits2, \
__entry->timecode_userbits3, \
__entry->sequence \
) \
)
DECLARE_EVENT_CLASS(v4l2_event_class,
TP_PROTO(int minor, struct v4l2_buffer *buf),
V4L2_TRACE_EVENT(v4l2_dqbuf);
V4L2_TRACE_EVENT(v4l2_qbuf);
TP_ARGS(minor, buf),
TP_STRUCT__entry(
__field(int, minor)
__field(u32, index)
__field(u32, type)
__field(u32, bytesused)
__field(u32, flags)
__field(u32, field)
__field(s64, timestamp)
__field(u32, timecode_type)
__field(u32, timecode_flags)
__field(u8, timecode_frames)
__field(u8, timecode_seconds)
__field(u8, timecode_minutes)
__field(u8, timecode_hours)
__field(u8, timecode_userbits0)
__field(u8, timecode_userbits1)
__field(u8, timecode_userbits2)
__field(u8, timecode_userbits3)
__field(u32, sequence)
),
TP_fast_assign(
__entry->minor = minor;
__entry->index = buf->index;
__entry->type = buf->type;
__entry->bytesused = buf->bytesused;
__entry->flags = buf->flags;
__entry->field = buf->field;
__entry->timestamp = timeval_to_ns(&buf->timestamp);
__entry->timecode_type = buf->timecode.type;
__entry->timecode_flags = buf->timecode.flags;
__entry->timecode_frames = buf->timecode.frames;
__entry->timecode_seconds = buf->timecode.seconds;
__entry->timecode_minutes = buf->timecode.minutes;
__entry->timecode_hours = buf->timecode.hours;
__entry->timecode_userbits0 = buf->timecode.userbits[0];
__entry->timecode_userbits1 = buf->timecode.userbits[1];
__entry->timecode_userbits2 = buf->timecode.userbits[2];
__entry->timecode_userbits3 = buf->timecode.userbits[3];
__entry->sequence = buf->sequence;
),
TP_printk("minor = %d, index = %u, type = %s, bytesused = %u, "
"flags = %s, field = %s, timestamp = %llu, "
"timecode = { type = %s, flags = %s, frames = %u, "
"seconds = %u, minutes = %u, hours = %u, "
"userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
__entry->index, show_type(__entry->type),
__entry->bytesused,
show_flags(__entry->flags),
show_field(__entry->field),
__entry->timestamp,
show_timecode_type(__entry->timecode_type),
show_timecode_flags(__entry->timecode_flags),
__entry->timecode_frames,
__entry->timecode_seconds,
__entry->timecode_minutes,
__entry->timecode_hours,
__entry->timecode_userbits0,
__entry->timecode_userbits1,
__entry->timecode_userbits2,
__entry->timecode_userbits3,
__entry->sequence
)
)
DEFINE_EVENT(v4l2_event_class, v4l2_dqbuf,
TP_PROTO(int minor, struct v4l2_buffer *buf),
TP_ARGS(minor, buf)
);
DEFINE_EVENT(v4l2_event_class, v4l2_qbuf,
TP_PROTO(int minor, struct v4l2_buffer *buf),
TP_ARGS(minor, buf)
);
#endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */