projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f36eaed | 1 | /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */ |
| a90917c3 MD |
2 | #ifndef _LTTNG_TRACER_H |
| 3 | #define _LTTNG_TRACER_H | |
| 17baffe2 | 4 | |
| 1c8284eb | 5 | /* |
| a90917c3 | 6 | * lttng-tracer.h |
| 17baffe2 | 7 | * |
| 886d51a3 MD |
8 | * This contains the definitions for the Linux Trace Toolkit Next |
| 9 | * Generation tracer. | |
| 1c8284eb | 10 | * |
| 886d51a3 | 11 | * Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 1c8284eb MD |
12 | */ |
| 13 | ||
| 1c8284eb MD |
14 | #include <stdarg.h> |
| 15 | #include <linux/types.h> | |
| 16 | #include <linux/limits.h> | |
| 17 | #include <linux/list.h> | |
| 18 | #include <linux/cache.h> | |
| 1c8284eb MD |
19 | #include <linux/timex.h> |
| 20 | #include <linux/wait.h> | |
| 1c8284eb MD |
21 | #include <asm/atomic.h> |
| 22 | #include <asm/local.h> | |
| 23 | ||
| bbd023d6 MD |
24 | #include <wrapper/trace-clock.h> |
| 25 | #include <wrapper/compiler.h> | |
| 1b25fe58 | 26 | #include <wrapper/vmalloc.h> |
| bbd023d6 MD |
27 | #include <lttng-tracer-core.h> |
| 28 | #include <lttng-events.h> | |
| 1c8284eb | 29 | |
| c6c9e10f | 30 | #define LTTNG_MODULES_MAJOR_VERSION 2 |
| 998c8844 | 31 | #define LTTNG_MODULES_MINOR_VERSION 11 |
| 7cb1d0ee | 32 | #define LTTNG_MODULES_PATCHLEVEL_VERSION 0 |
| 998c8844 | 33 | #define LTTNG_MODULES_EXTRAVERSION "-pre" |
| 80c16bcf | 34 | |
| 998c8844 MJ |
35 | #define LTTNG_VERSION_NAME "L-Beer" |
| 36 | #define LTTNG_VERSION_DESCRIPTION "An alcoholic drink made from yeast-fermented malt flavored with hops." | |
| d117fe45 | 37 | |
| c099397a MD |
38 | #ifndef CHAR_BIT |
| 39 | #define CHAR_BIT 8 | |
| 40 | #endif | |
| 41 | ||
| 1c8284eb | 42 | /* Number of bytes to log with a read/write event */ |
| a90917c3 MD |
43 | #define LTTNG_LOG_RW_SIZE 32L |
| 44 | #define LTTNG_MAX_SMALL_SIZE 0xFFFFU | |
| 1c8284eb | 45 | |
| d793d5e1 | 46 | #ifdef RING_BUFFER_ALIGN |
| a90917c3 | 47 | #define lttng_alignof(type) __alignof__(type) |
| c099397a | 48 | #else |
| a90917c3 | 49 | #define lttng_alignof(type) 1 |
| d793d5e1 | 50 | #endif |
| 1c8284eb | 51 | |
| 1c8284eb | 52 | /* Tracer properties */ |
| 1c25284c | 53 | #define CTF_MAGIC_NUMBER 0xC1FC1FC1 |
| 881833e3 | 54 | #define TSDL_MAGIC_NUMBER 0x75D11D57 |
| 4173df96 MD |
55 | |
| 56 | /* CTF specification version followed */ | |
| 57 | #define CTF_SPEC_MAJOR 1 | |
| 58 | #define CTF_SPEC_MINOR 8 | |
| 59 | ||
| c099397a MD |
60 | /* |
| 61 | * Number of milliseconds to retry before failing metadata writes on buffer full | |
| 62 | * condition. (10 seconds) | |
| 63 | */ | |
| 64 | #define LTTNG_METADATA_TIMEOUT_MSEC 10000 | |
| 65 | ||
| a90917c3 MD |
66 | #define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END |
| 67 | #define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1) | |
| 64c796d8 | 68 | |
| a90917c3 | 69 | #endif /* _LTTNG_TRACER_H */ |