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4fbf9cd1 | 1 | /* |
c0c0989a MJ |
2 | * SPDX-License-Identifier: LGPL-2.1-only |
3 | * | |
4fbf9cd1 MD |
4 | * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
5 | * | |
6 | * This contains the definitions for the Linux Trace Toolkit tracer. | |
7 | * | |
8 | * Ported to userspace by Pierre-Marc Fournier. | |
4fbf9cd1 MD |
9 | */ |
10 | ||
c0c0989a MJ |
11 | #ifndef _LTTNG_TRACER_H |
12 | #define _LTTNG_TRACER_H | |
13 | ||
4fbf9cd1 MD |
14 | #include <stdarg.h> |
15 | #include <stdint.h> | |
4318ae1b | 16 | #include <lttng/ust-events.h> |
7dd08bec | 17 | #include "lttng-tracer-core.h" |
4fbf9cd1 | 18 | |
4fbf9cd1 MD |
19 | /* Tracer properties */ |
20 | #define CTF_MAGIC_NUMBER 0xC1FC1FC1 | |
21 | #define TSDL_MAGIC_NUMBER 0x75D11D57 | |
8a98a75d MD |
22 | |
23 | /* CTF specification version followed */ | |
24 | #define CTF_SPEC_MAJOR 1 | |
25 | #define CTF_SPEC_MINOR 8 | |
26 | ||
4fbf9cd1 MD |
27 | /* |
28 | * Number of milliseconds to retry before failing metadata writes on buffer full | |
29 | * condition. (10 seconds) | |
30 | */ | |
31 | #define LTTNG_METADATA_TIMEOUT_MSEC 10000 | |
32 | ||
7dd08bec MD |
33 | #define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END |
34 | #define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1) | |
4fbf9cd1 | 35 | |
b4eb3dfa MJ |
36 | /* |
37 | * LTTng client type enumeration. Used by the consumer to map the | |
38 | * callbacks from its own address space. | |
39 | */ | |
40 | enum lttng_client_types { | |
41 | LTTNG_CLIENT_METADATA = 0, | |
42 | LTTNG_CLIENT_DISCARD = 1, | |
43 | LTTNG_CLIENT_OVERWRITE = 2, | |
44 | LTTNG_CLIENT_DISCARD_RT = 3, | |
45 | LTTNG_CLIENT_OVERWRITE_RT = 4, | |
46 | LTTNG_NR_CLIENT_TYPES, | |
47 | }; | |
48 | ||
7dd08bec | 49 | #endif /* _LTTNG_TRACER_H */ |