| 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 <stdarg.h> |
| 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> |
| 23 | |
| 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> |
| 29 | |
| 30 | #define LTTNG_MODULES_MAJOR_VERSION 2 |
| 31 | #define LTTNG_MODULES_MINOR_VERSION 12 |
| 32 | #define LTTNG_MODULES_PATCHLEVEL_VERSION 0 |
| 33 | #define LTTNG_MODULES_EXTRAVERSION "-rc1" |
| 34 | |
| 35 | #define LTTNG_VERSION_NAME "(Ta) Meilleure" |
| 36 | #define LTTNG_VERSION_DESCRIPTION "Ta Meilleure is a Northeast IPA beer brewed by Lagabière. Translating to \"Your best one\", this beer gives out strong aromas of passion fruit, lemon, and peaches. Tastewise, expect a lot of fruit, a creamy texture, and a smooth lingering hop bitterness." |
| 37 | |
| 38 | #ifndef CHAR_BIT |
| 39 | #define CHAR_BIT 8 |
| 40 | #endif |
| 41 | |
| 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 |
| 45 | |
| 46 | #ifdef RING_BUFFER_ALIGN |
| 47 | #define lttng_alignof(type) __alignof__(type) |
| 48 | #else |
| 49 | #define lttng_alignof(type) 1 |
| 50 | #endif |
| 51 | |
| 52 | /* Tracer properties */ |
| 53 | #define CTF_MAGIC_NUMBER 0xC1FC1FC1 |
| 54 | #define TSDL_MAGIC_NUMBER 0x75D11D57 |
| 55 | |
| 56 | /* CTF specification version followed */ |
| 57 | #define CTF_SPEC_MAJOR 1 |
| 58 | #define CTF_SPEC_MINOR 8 |
| 59 | |
| 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 | |
| 66 | #define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END |
| 67 | #define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1) |
| 68 | |
| 69 | #endif /* _LTTNG_TRACER_H */ |