tracing: move trace point formats to files in include/trace directory (eb594e45) · Commits · e / devices / android_kernel_sony_msm8998

Impact: clean up To further facilitate the ease of adding trace points for developers, this patch creates include/trace/trace_events.h and include/trace/trace_event_types.h. The former file will hold the trace/<type>.h files and the latter will hold the trace/<type>_event_types.h files. To create new tracepoints and to have them automatically appear in the event tracer, a developer makes the trace/<type>.h file which includes <linux/tracepoint.h> and the trace/<type>_event_types.h file. The trace/<type>_event_types.h file will hold the TRACE_FORMAT macros. Then add the trace/<type>.h file to trace/trace_events.h, and add the trace/<type>_event_types.h to the trace_event_types.h file. No need to modify files elsewhere. Signed-off-by:

Steven Rostedt <srostedt@redhat.com>

include/trace/trace_event_types.h

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			/* trace/<type>_event_types.h here */

			#include <trace/sched_event_types.h>
			#include <trace/irq_event_types.h>

include/trace/trace_events.h

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			/* trace/<type>.h here */

			#include <trace/sched.h>
			#include <trace/irq.h>

kernel/trace/events.c

+2 −8

Original line number	Original line	Diff line number	Diff line
	/*		/*
	* This is the place to register all trace points as events.		* This is the place to register all trace points as events.
	* Include the trace/<type>.h at the top.
	* Include the trace/<type>_event_types.h at the bottom.
	*/		*/

	/* trace/<type>.h here */		#include <trace/trace_events.h>
	#include <trace/sched.h>
	#include <trace/irq.h>

	#include "trace_events.h"		#include "trace_events.h"

	/* trace/<type>_event_types.h here */		#include <trace/trace_event_types.h>
	#include <trace/sched_event_types.h>
	#include <trace/irq_event_types.h>