[lttng-modules.git] / ltt-tracer-core.h

/*
 * Copyright (C) 2005,2006 Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)
 *
 * This contains the core definitions for the Linux Trace Toolkit.
 *
 * Dual LGPL v2.1/GPL v2 license.
 */

#ifndef LTT_TRACER_CORE_H
#define LTT_TRACER_CORE_H

#include <linux/list.h>
#include <linux/percpu.h>

#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
/* Align data on its natural alignment */
#define RING_BUFFER_ALIGN
#endif

#include "wrapper/ringbuffer/config.h"

struct ltt_session;
struct ltt_channel;
struct ltt_event;

typedef int (*ltt_run_filter_functor)(struct ltt_session *session,
				      struct ltt_channel *chan,
				      struct ltt_event *event);

extern ltt_run_filter_functor ltt_run_filter;

extern void ltt_filter_register(ltt_run_filter_functor func);
extern void ltt_filter_unregister(void);

#endif /* LTT_TRACER_CORE_H */
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2005,2006 Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)
	3	*
	4	* This contains the core definitions for the Linux Trace Toolkit.
	5	*
	6	* Dual LGPL v2.1/GPL v2 license.
	7	*/
	8
	9	#ifndef LTT_TRACER_CORE_H
	10	#define LTT_TRACER_CORE_H
	11
	12	#include <linux/list.h>
	13	#include <linux/percpu.h>
	14
	15	#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
	16	/* Align data on its natural alignment */
	17	#define RING_BUFFER_ALIGN
	18	#endif
	19
	20	#include "wrapper/ringbuffer/config.h"
	21
	22	struct ltt_session;
	23	struct ltt_channel;
	24	struct ltt_event;
	25
	26	typedef int (ltt_run_filter_functor)(struct ltt_session session,
	27	struct ltt_channel *chan,
	28	struct ltt_event *event);
	29
	30	extern ltt_run_filter_functor ltt_run_filter;
	31
	32	extern void ltt_filter_register(ltt_run_filter_functor func);
	33	extern void ltt_filter_unregister(void);
	34
	35	#endif /* LTT_TRACER_CORE_H */