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 MD |
6 | * |
| 7 | * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 1c8284eb MD |
8 | * |
| 9 | * This contains the definitions for the Linux Trace Toolkit tracer. | |
| 10 | * | |
| 11 | * Dual LGPL v2.1/GPL v2 license. | |
| 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 | ||
| f3bc08c5 | 24 | #include "wrapper/trace-clock.h" |
| a90917c3 MD |
25 | #include "lttng-tracer-core.h" |
| 26 | #include "lttng-events.h" | |
| 1c8284eb | 27 | |
| c6c9e10f MD |
28 | #define LTTNG_MODULES_MAJOR_VERSION 2 |
| 29 | #define LTTNG_MODULES_MINOR_VERSION 0 | |
| 30 | #define LTTNG_MODULES_PATCHLEVEL_VERSION 0 | |
| 80c16bcf | 31 | |
| c099397a MD |
32 | #ifndef CHAR_BIT |
| 33 | #define CHAR_BIT 8 | |
| 34 | #endif | |
| 35 | ||
| 1c8284eb | 36 | /* Number of bytes to log with a read/write event */ |
| a90917c3 MD |
37 | #define LTTNG_LOG_RW_SIZE 32L |
| 38 | #define LTTNG_MAX_SMALL_SIZE 0xFFFFU | |
| 1c8284eb | 39 | |
| d793d5e1 | 40 | #ifdef RING_BUFFER_ALIGN |
| a90917c3 | 41 | #define lttng_alignof(type) __alignof__(type) |
| c099397a | 42 | #else |
| a90917c3 | 43 | #define lttng_alignof(type) 1 |
| d793d5e1 | 44 | #endif |
| 1c8284eb | 45 | |
| 1c8284eb | 46 | /* Tracer properties */ |
| 1c25284c | 47 | #define CTF_MAGIC_NUMBER 0xC1FC1FC1 |
| 881833e3 | 48 | #define TSDL_MAGIC_NUMBER 0x75D11D57 |
| 4173df96 MD |
49 | |
| 50 | /* CTF specification version followed */ | |
| 51 | #define CTF_SPEC_MAJOR 1 | |
| 52 | #define CTF_SPEC_MINOR 8 | |
| 53 | ||
| c099397a MD |
54 | /* |
| 55 | * Number of milliseconds to retry before failing metadata writes on buffer full | |
| 56 | * condition. (10 seconds) | |
| 57 | */ | |
| 58 | #define LTTNG_METADATA_TIMEOUT_MSEC 10000 | |
| 59 | ||
| a90917c3 MD |
60 | #define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END |
| 61 | #define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1) | |
| 64c796d8 | 62 | |
| a90917c3 | 63 | #endif /* _LTTNG_TRACER_H */ |