projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| a90917c3 MD |
1 | #ifndef _LTTNG_TRACER_H |
| 2 | #define _LTTNG_TRACER_H | |
| 17baffe2 | 3 | |
| 1c8284eb | 4 | /* |
| a90917c3 | 5 | * lttng-tracer.h |
| 17baffe2 | 6 | * |
| 886d51a3 MD |
7 | * This contains the definitions for the Linux Trace Toolkit Next |
| 8 | * Generation tracer. | |
| 1c8284eb | 9 | * |
| 886d51a3 | 10 | * Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 1c8284eb | 11 | * |
| 886d51a3 MD |
12 | * This library is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU Lesser General Public | |
| 14 | * License as published by the Free Software Foundation; only | |
| 15 | * version 2.1 of the License. | |
| 16 | * | |
| 17 | * This library is distributed in the hope that it will be useful, | |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 20 | * Lesser General Public License for more details. | |
| 21 | * | |
| 22 | * You should have received a copy of the GNU Lesser General Public | |
| 23 | * License along with this library; if not, write to the Free Software | |
| 24 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 1c8284eb MD |
25 | */ |
| 26 | ||
| 1c8284eb MD |
27 | #include <stdarg.h> |
| 28 | #include <linux/types.h> | |
| 29 | #include <linux/limits.h> | |
| 30 | #include <linux/list.h> | |
| 31 | #include <linux/cache.h> | |
| 1c8284eb MD |
32 | #include <linux/timex.h> |
| 33 | #include <linux/wait.h> | |
| 1c8284eb MD |
34 | #include <asm/atomic.h> |
| 35 | #include <asm/local.h> | |
| 36 | ||
| bbd023d6 MD |
37 | #include <wrapper/trace-clock.h> |
| 38 | #include <wrapper/compiler.h> | |
| 1b25fe58 | 39 | #include <wrapper/vmalloc.h> |
| bbd023d6 MD |
40 | #include <lttng-tracer-core.h> |
| 41 | #include <lttng-events.h> | |
| 1c8284eb | 42 | |
| c6c9e10f | 43 | #define LTTNG_MODULES_MAJOR_VERSION 2 |
| 998c8844 | 44 | #define LTTNG_MODULES_MINOR_VERSION 11 |
| 7cb1d0ee | 45 | #define LTTNG_MODULES_PATCHLEVEL_VERSION 0 |
| 998c8844 | 46 | #define LTTNG_MODULES_EXTRAVERSION "-pre" |
| 80c16bcf | 47 | |
| 998c8844 MJ |
48 | #define LTTNG_VERSION_NAME "L-Beer" |
| 49 | #define LTTNG_VERSION_DESCRIPTION "An alcoholic drink made from yeast-fermented malt flavored with hops." | |
| d117fe45 | 50 | |
| c099397a MD |
51 | #ifndef CHAR_BIT |
| 52 | #define CHAR_BIT 8 | |
| 53 | #endif | |
| 54 | ||
| 1c8284eb | 55 | /* Number of bytes to log with a read/write event */ |
| a90917c3 MD |
56 | #define LTTNG_LOG_RW_SIZE 32L |
| 57 | #define LTTNG_MAX_SMALL_SIZE 0xFFFFU | |
| 1c8284eb | 58 | |
| d793d5e1 | 59 | #ifdef RING_BUFFER_ALIGN |
| a90917c3 | 60 | #define lttng_alignof(type) __alignof__(type) |
| c099397a | 61 | #else |
| a90917c3 | 62 | #define lttng_alignof(type) 1 |
| d793d5e1 | 63 | #endif |
| 1c8284eb | 64 | |
| 1c8284eb | 65 | /* Tracer properties */ |
| 1c25284c | 66 | #define CTF_MAGIC_NUMBER 0xC1FC1FC1 |
| 881833e3 | 67 | #define TSDL_MAGIC_NUMBER 0x75D11D57 |
| 4173df96 MD |
68 | |
| 69 | /* CTF specification version followed */ | |
| 70 | #define CTF_SPEC_MAJOR 1 | |
| 71 | #define CTF_SPEC_MINOR 8 | |
| 72 | ||
| c099397a MD |
73 | /* |
| 74 | * Number of milliseconds to retry before failing metadata writes on buffer full | |
| 75 | * condition. (10 seconds) | |
| 76 | */ | |
| 77 | #define LTTNG_METADATA_TIMEOUT_MSEC 10000 | |
| 78 | ||
| a90917c3 MD |
79 | #define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END |
| 80 | #define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1) | |
| 64c796d8 | 81 | |
| a90917c3 | 82 | #endif /* _LTTNG_TRACER_H */ |