[lttng-modules.git] / include / lttng / tracer.h

/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */
#ifndef _LTTNG_TRACER_H
#define _LTTNG_TRACER_H

/*
 * lttng/tracer.h
 *
 * This contains the definitions for the Linux Trace Toolkit Next
 * Generation tracer.
 *
 * Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#include <linux/types.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/cache.h>
#include <linux/timex.h>
#include <linux/wait.h>
#include <asm/atomic.h>
#include <asm/local.h>

#include <wrapper/trace-clock.h>
#include <wrapper/compiler.h>
#include <wrapper/vmalloc.h>
#include <lttng/tracer-core.h>
#include <lttng/events.h>

#define LTTNG_MODULES_MAJOR_VERSION 2
#define LTTNG_MODULES_MINOR_VERSION 13
#define LTTNG_MODULES_PATCHLEVEL_VERSION 2
#define LTTNG_MODULES_EXTRAVERSION ""

#define LTTNG_VERSION_NAME		"Nordicité"
#define LTTNG_VERSION_DESCRIPTION	"The product of a collaboration between Champ Libre and Boréale, this farmhouse IPA is brewed with Kveik yeast and Québec-grown barley, oats and juniper branches. The result is a remarkable fruity hazy golden IPA that offers a balanced touch of resinous and woodsy bitterness."

#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif

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

#ifdef RING_BUFFER_ALIGN
#define lttng_alignof(type)	__alignof__(type)
#else
#define lttng_alignof(type)	1
#endif

/* 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 LTTNG_RFLAG_EXTENDED		RING_BUFFER_RFLAG_END
#define LTTNG_RFLAG_END			(LTTNG_RFLAG_EXTENDED << 1)

#endif /* _LTTNG_TRACER_H */
Commit	Line	Data
	1	/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */
	2	#ifndef _LTTNG_TRACER_H
	3	#define _LTTNG_TRACER_H
	4
	5	/*
	6	* lttng/tracer.h
	7	*
	8	* This contains the definitions for the Linux Trace Toolkit Next
	9	* Generation tracer.
	10	*
	11	* Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	12	*/
	13
	14	#include <linux/types.h>
	15	#include <linux/limits.h>
	16	#include <linux/list.h>
	17	#include <linux/cache.h>
	18	#include <linux/timex.h>
	19	#include <linux/wait.h>
	20	#include <asm/atomic.h>
	21	#include <asm/local.h>
	22
	23	#include <wrapper/trace-clock.h>
	24	#include <wrapper/compiler.h>
	25	#include <wrapper/vmalloc.h>
	26	#include <lttng/tracer-core.h>
	27	#include <lttng/events.h>
	28
	29	#define LTTNG_MODULES_MAJOR_VERSION 2
	30	#define LTTNG_MODULES_MINOR_VERSION 13
	31	#define LTTNG_MODULES_PATCHLEVEL_VERSION 2
	32	#define LTTNG_MODULES_EXTRAVERSION ""
	33
	34	#define LTTNG_VERSION_NAME "Nordicité"
	35	#define LTTNG_VERSION_DESCRIPTION "The product of a collaboration between Champ Libre and Boréale, this farmhouse IPA is brewed with Kveik yeast and Québec-grown barley, oats and juniper branches. The result is a remarkable fruity hazy golden IPA that offers a balanced touch of resinous and woodsy bitterness."
	36
	37	#ifndef CHAR_BIT
	38	#define CHAR_BIT 8
	39	#endif
	40
	41	/* Number of bytes to log with a read/write event */
	42	#define LTTNG_LOG_RW_SIZE 32L
	43	#define LTTNG_MAX_SMALL_SIZE 0xFFFFU
	44
	45	#ifdef RING_BUFFER_ALIGN
	46	#define lttng_alignof(type) __alignof__(type)
	47	#else
	48	#define lttng_alignof(type) 1
	49	#endif
	50
	51	/* Tracer properties */
	52	#define CTF_MAGIC_NUMBER 0xC1FC1FC1
	53	#define TSDL_MAGIC_NUMBER 0x75D11D57
	54
	55	/* CTF specification version followed */
	56	#define CTF_SPEC_MAJOR 1
	57	#define CTF_SPEC_MINOR 8
	58
	59	/*
	60	* Number of milliseconds to retry before failing metadata writes on buffer full
	61	* condition. (10 seconds)
	62	*/
	63	#define LTTNG_METADATA_TIMEOUT_MSEC 10000
	64
	65	#define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END
	66	#define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1)
	67
	68	#endif /* _LTTNG_TRACER_H */