Introduce vtracelog
[lttng-ust.git] / include / lttng / tracelog.h
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1#ifndef _LTTNG_UST_TRACELOG_H
2#define _LTTNG_UST_TRACELOG_H
3
4/*
5 * Copyright (C) 2013-2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26#include <lttng/lttng-ust-tracelog.h>
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
32#define TP_TRACELOG_CB_TEMPLATE(level) \
33 extern void _lttng_ust_tracelog_##level(const char *file, \
34 int line, const char *func, const char *fmt, ...)
35
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36TP_TRACELOG_CB_TEMPLATE(TRACE_EMERG);
37TP_TRACELOG_CB_TEMPLATE(TRACE_ALERT);
38TP_TRACELOG_CB_TEMPLATE(TRACE_CRIT);
39TP_TRACELOG_CB_TEMPLATE(TRACE_ERR);
40TP_TRACELOG_CB_TEMPLATE(TRACE_WARNING);
41TP_TRACELOG_CB_TEMPLATE(TRACE_NOTICE);
42TP_TRACELOG_CB_TEMPLATE(TRACE_INFO);
43TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_SYSTEM);
44TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_PROGRAM);
45TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_PROCESS);
46TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_MODULE);
47TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_UNIT);
48TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_FUNCTION);
49TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_LINE);
50TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG);
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51
52#undef TP_TRACELOG_CB_TEMPLATE
53
54#define tracelog(level, fmt, ...) \
55 do { \
afeea86f 56 LTTNG_STAP_PROBEV(tracepoint_lttng_ust_tracelog, level, ## __VA_ARGS__); \
c4d667ed 57 if (caa_unlikely(__tracepoint_lttng_ust_tracelog___##level.state)) \
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58 _lttng_ust_tracelog_##level(__FILE__, __LINE__, __func__, \
59 fmt, ## __VA_ARGS__); \
60 } while (0)
61
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62#define vtracelog(level, fmt, ap) \
63 do { \
64 if (caa_unlikely(__tracepoint_lttng_ust_tracelog___##level.state)) \
65 _lttng_ust_tracelog_##level(__FILE__, __LINE__, __func__, \
66 fmt, ap); \
67 } while (0)
68
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69#ifdef __cplusplus
70}
71#endif
72
73#endif /* _LTTNG_UST_TRACELOG_H */
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