include/lttng/tracelog.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright (C) 2013-2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #ifndef _LTTNG_UST_TRACELOG_H
   8 #define _LTTNG_UST_TRACELOG_H
   9
  10 #include <lttng/lttng-ust-tracelog.h>
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  15
  16 #define TP_TRACELOG_CB_TEMPLATE(level)                                  \
  17         extern void _lttng_ust_tracelog_##level(const char *file,       \
  18                 int line, const char *func, const char *fmt, ...);      \
  19         extern void _lttng_ust_vtracelog_##level(const char *file,      \
  20                 int line, const char *func, const char *fmt, va_list ap);
  21
  22 TP_TRACELOG_CB_TEMPLATE(TRACE_EMERG);
  23 TP_TRACELOG_CB_TEMPLATE(TRACE_ALERT);
  24 TP_TRACELOG_CB_TEMPLATE(TRACE_CRIT);
  25 TP_TRACELOG_CB_TEMPLATE(TRACE_ERR);
  26 TP_TRACELOG_CB_TEMPLATE(TRACE_WARNING);
  27 TP_TRACELOG_CB_TEMPLATE(TRACE_NOTICE);
  28 TP_TRACELOG_CB_TEMPLATE(TRACE_INFO);
  29 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_SYSTEM);
  30 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_PROGRAM);
  31 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_PROCESS);
  32 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_MODULE);
  33 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_UNIT);
  34 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_FUNCTION);
  35 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_LINE);
  36 TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG);
  37
  38 #undef TP_TRACELOG_CB_TEMPLATE
  39
  40 #define tracelog(level, fmt, ...)                                       \
  41         do {                                                            \
  42                 LTTNG_STAP_PROBEV(tracepoint_lttng_ust_tracelog, level, ## __VA_ARGS__); \
  43                 if (caa_unlikely(__tracepoint_lttng_ust_tracelog___##level.state)) \
  44                         _lttng_ust_tracelog_##level(__FILE__, __LINE__, __func__, \
  45                                 fmt, ## __VA_ARGS__);                   \
  46         } while (0)
  47
  48 #define vtracelog(level, fmt, ap)                                       \
  49         do {                                                            \
  50                 if (caa_unlikely(__tracepoint_lttng_ust_tracelog___##level.state)) \
  51                         _lttng_ust_vtracelog_##level(__FILE__, __LINE__, __func__, \
  52                                 fmt, ap);                               \
  53         } while (0)
  54
  55 #ifdef __cplusplus
  56 }
  57 #endif
  58
  59 #endif /* _LTTNG_UST_TRACELOG_H */