[lttng-ust.git] / liblttng-ust / ltt-tracer.h

#ifndef _LTT_TRACER_H
#define _LTT_TRACER_H

/*
 * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * This contains the definitions for the Linux Trace Toolkit tracer.
 *
 * Ported to userspace by Pierre-Marc Fournier.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; version 2.1 of
 * the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <stdarg.h>
#include <stdint.h>
#include <lttng/ust-events.h>
#include "ltt-tracer-core.h"
#include "compat.h"

/* Number of bytes to log with a read/write event */
#define LTT_LOG_RW_SIZE			32L
#define LTT_MAX_SMALL_SIZE		0xFFFFU

/* Tracer properties */
#define CTF_MAGIC_NUMBER		0xC1FC1FC1
#define TSDL_MAGIC_NUMBER		0x75D11D57

/* CTF specification version followed */
#define CTF_SPEC_MAJOR			1
#define CTF_SPEC_MINOR			8

/*
 * Number of milliseconds to retry before failing metadata writes on buffer full
 * condition. (10 seconds)
 */
#define LTTNG_METADATA_TIMEOUT_MSEC	10000

#define LTT_RFLAG_EXTENDED		RING_BUFFER_RFLAG_END
#define LTT_RFLAG_END			(LTT_RFLAG_EXTENDED << 1)

#endif /* _LTT_TRACER_H */
Commit	Line	Data
4fbf9cd1 MD	1	#ifndef _LTT_TRACER_H
	2	#define _LTT_TRACER_H
	3
	4	/*
	5	* Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	6	*
	7	* This contains the definitions for the Linux Trace Toolkit tracer.
	8	*
	9	* Ported to userspace by Pierre-Marc Fournier.
	10	*
	11	* This library is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU Lesser General Public
	13	* License as published by the Free Software Foundation; version 2.1 of
	14	* the License.
	15	*
	16	* This library is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	19	* Lesser General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU Lesser General Public
	22	* License along with this library; if not, write to the Free Software
	23	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	24	*/
	25
	26	#include <stdarg.h>
	27	#include <stdint.h>
4318ae1b	28	#include <lttng/ust-events.h>
4fbf9cd1	29	#include "ltt-tracer-core.h"
b728d87e	30	#include "compat.h"
4fbf9cd1	31
4fbf9cd1 MD	32	/* Number of bytes to log with a read/write event */
	33	#define LTT_LOG_RW_SIZE 32L
	34	#define LTT_MAX_SMALL_SIZE 0xFFFFU
	35
4fbf9cd1 MD	36	/* Tracer properties */
	37	#define CTF_MAGIC_NUMBER 0xC1FC1FC1
	38	#define TSDL_MAGIC_NUMBER 0x75D11D57
8a98a75d MD	39
	40	/* CTF specification version followed */
	41	#define CTF_SPEC_MAJOR 1
	42	#define CTF_SPEC_MINOR 8
	43
4fbf9cd1 MD	44	/*
	45	* Number of milliseconds to retry before failing metadata writes on buffer full
	46	* condition. (10 seconds)
	47	*/
	48	#define LTTNG_METADATA_TIMEOUT_MSEC 10000
	49
	50	#define LTT_RFLAG_EXTENDED RING_BUFFER_RFLAG_END
	51	#define LTT_RFLAG_END (LTT_RFLAG_EXTENDED << 1)
	52
	53	#endif /* _LTT_TRACER_H */