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/ust-api-compat.h>
  11 #include <lttng/tp/lttng-ust-tracelog.h>
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 #define LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(level)                                        \
  18         extern void lttng_ust__tracelog_##level(const char *file,       \
  19                 int line, const char *func, const char *fmt, ...)       \
  20                 __attribute__ ((format(printf, 4, 5)));                 \
  21                                                                         \
  22         extern void lttng_ust__vtracelog_##level(const char *file,      \
  23                 int line, const char *func, const char *fmt,            \
  24                 va_list ap)                                             \
  25                 __attribute__ ((format(printf, 4, 0)));
  26
  27 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_EMERG);
  28 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_ALERT);
  29 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_CRIT);
  30 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_ERR);
  31 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_WARNING);
  32 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_NOTICE);
  33 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_INFO);
  34 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_SYSTEM);
  35 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROGRAM);
  36 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROCESS);
  37 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_MODULE);
  38 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_UNIT);
  39 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_FUNCTION);
  40 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_LINE);
  41 LTTNG_UST_TP_TRACELOG_CB_TEMPLATE(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG);
  42
  43 #undef LTTNG_UST_TP_TRACELOG_CB_TEMPLATE
  44
  45 #define lttng_ust_tracelog(level, fmt, ...)                                     \
  46         do {                                                            \
  47                 LTTNG_UST_STAP_PROBEV(tracepoint_lttng_ust_tracelog, level, ## __VA_ARGS__); \
  48                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracelog___##level.state)) \
  49                         lttng_ust__tracelog_##level(__FILE__, __LINE__, __func__, \
  50                                 fmt, ## __VA_ARGS__);                   \
  51         } while (0)
  52
  53 #define lttng_ust_vtracelog(level, fmt, ap)                                     \
  54         do {                                                            \
  55                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracelog___##level.state)) \
  56                         lttng_ust__vtracelog_##level(__FILE__, __LINE__, __func__, \
  57                                 fmt, ap);                               \
  58         } while (0)
  59
  60 #if LTTNG_UST_COMPAT_API(0)
  61 #define TP_TRACELOG_CB_TEMPLATE LTTNG_UST_TP_TRACELOG_CB_TEMPLATE
  62 #define tracelog        lttng_ust_tracelog
  63 #endif
  64
  65 #ifdef __cplusplus
  66 }
  67 #endif
  68
  69 #endif /* _LTTNG_UST_TRACELOG_H */