1 /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */
2 #ifndef _LTTNG_TRACER_H
3 #define _LTTNG_TRACER_H
8 * This contains the definitions for the Linux Trace Toolkit Next
11 * Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
15 #include <linux/types.h>
16 #include <linux/limits.h>
17 #include <linux/list.h>
18 #include <linux/cache.h>
19 #include <linux/timex.h>
20 #include <linux/wait.h>
21 #include <asm/atomic.h>
22 #include <asm/local.h>
24 #include <wrapper/trace-clock.h>
25 #include <wrapper/compiler.h>
26 #include <wrapper/vmalloc.h>
27 #include <lttng-tracer-core.h>
28 #include <lttng-events.h>
30 #define LTTNG_MODULES_MAJOR_VERSION 2
31 #define LTTNG_MODULES_MINOR_VERSION 11
32 #define LTTNG_MODULES_PATCHLEVEL_VERSION 0
33 #define LTTNG_MODULES_EXTRAVERSION ""
35 #define LTTNG_VERSION_NAME "Lafontaine"
36 #define LTTNG_VERSION_DESCRIPTION "A modern Saison beer from Montréal's Oshlag microbrewery, Lafontaine is a refreshing, zesty, rice beer with hints of fruit and spices."
42 /* Number of bytes to log with a read/write event */
43 #define LTTNG_LOG_RW_SIZE 32L
44 #define LTTNG_MAX_SMALL_SIZE 0xFFFFU
46 #ifdef RING_BUFFER_ALIGN
47 #define lttng_alignof(type) __alignof__(type)
49 #define lttng_alignof(type) 1
52 /* Tracer properties */
53 #define CTF_MAGIC_NUMBER 0xC1FC1FC1
54 #define TSDL_MAGIC_NUMBER 0x75D11D57
56 /* CTF specification version followed */
57 #define CTF_SPEC_MAJOR 1
58 #define CTF_SPEC_MINOR 8
61 * Number of milliseconds to retry before failing metadata writes on buffer full
62 * condition. (10 seconds)
64 #define LTTNG_METADATA_TIMEOUT_MSEC 10000
66 #define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END
67 #define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1)
69 #endif /* _LTTNG_TRACER_H */
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