include/lttng/tracelog.h

   1 // SPDX-FileCopyrightText: 2013-2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   2 //
   3 // SPDX-License-Identifier: MIT
   4
   5 #ifndef _LTTNG_UST_TRACELOG_H
   6 #define _LTTNG_UST_TRACELOG_H
   7
   8 #include <lttng/ust-api-compat.h>
   9 #include <lttng/tp/lttng-ust-tracelog.h>
  10
  11 #ifdef __cplusplus
  12 extern "C" {
  13 #endif
  14
  15 #define LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(level)                                        \
  16         extern void lttng_ust__tracelog_##level(const char *file,       \
  17                 int line, const char *func, const char *fmt, ...)       \
  18                 __attribute__ ((format(printf, 4, 5)));                 \
  19                                                                         \
  20         extern void lttng_ust__vtracelog_##level(const char *file,      \
  21                 int line, const char *func, const char *fmt,            \
  22                 va_list ap)                                             \
  23                 __attribute__ ((format(printf, 4, 0)));
  24
  25 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_EMERG);
  26 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_ALERT);
  27 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_CRIT);
  28 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_ERR);
  29 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_WARNING);
  30 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_NOTICE);
  31 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_INFO);
  32 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_SYSTEM);
  33 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROGRAM);
  34 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROCESS);
  35 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_MODULE);
  36 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_UNIT);
  37 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_FUNCTION);
  38 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_LINE);
  39 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG);
  40
  41 #undef LTTNG_UST_TP_TRACELOG_CB_TEMPLATE
  42
  43 #define lttng_ust_tracelog(level, fmt, ...)                                     \
  44         do {                                                            \
  45                 LTTNG_UST_STAP_PROBEV(tracepoint_lttng_ust_tracelog, level, ## __VA_ARGS__); \
  46                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracelog___##level.state)) \
  47                         lttng_ust__tracelog_##level(__FILE__, __LINE__, __func__, \
  48                                 fmt, ## __VA_ARGS__);                   \
  49         } while (0)
  50
  51 #define lttng_ust_vtracelog(level, fmt, ap)                                     \
  52         do {                                                            \
  53                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracelog___##level.state)) \
  54                         lttng_ust__vtracelog_##level(__FILE__, __LINE__, __func__, \
  55                                 fmt, ap);                               \
  56         } while (0)
  57
  58 #if LTTNG_UST_COMPAT_API(0)
  59 #define TP_TRACELOG_CB_TEMPLATE LTTNG_UST_TP_TRACELOG_CB_TEMPLATE
  60 #define tracelog        lttng_ust_tracelog
  61 #endif
  62
  63 #ifdef __cplusplus
  64 }
  65 #endif
  66
  67 #endif /* _LTTNG_UST_TRACELOG_H */