include/instrumentation/events/lttng-module/lock.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #undef TRACE_SYSTEM
   4 #define TRACE_SYSTEM lock
   5
   6 #if !defined(LTTNG_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
   7 #define LTTNG_TRACE_LOCK_H
   8
   9 #include <linux/lockdep.h>
  10 #include <lttng/tracepoint-event.h>
  11
  12 #ifdef CONFIG_LOCKDEP
  13
  14 LTTNG_TRACEPOINT_EVENT(lock_acquire,
  15
  16         TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
  17                 int trylock, int read, int check,
  18                 struct lockdep_map *next_lock, unsigned long ip),
  19
  20         TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
  21
  22         TP_FIELDS(
  23                 ctf_integer(unsigned int, flags, (trylock ? 1 : 0) | (read ? 2 : 0))
  24                 ctf_string(name, lock->name)
  25                 ctf_integer_hex(void *, lockdep_addr, lock)
  26         )
  27 )
  28
  29 LTTNG_TRACEPOINT_EVENT_CLASS(lock,
  30
  31         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  32
  33         TP_ARGS(lock, ip),
  34
  35         TP_FIELDS(
  36                 ctf_string(name, lock->name)
  37                 ctf_integer_hex(void *, lockdep_addr, lock)
  38         )
  39 )
  40
  41 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_release,
  42
  43         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  44
  45         TP_ARGS(lock, ip)
  46 )
  47
  48 #ifdef CONFIG_LOCK_STAT
  49
  50 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_contended,
  51
  52         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  53
  54         TP_ARGS(lock, ip)
  55 )
  56
  57 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_acquired,
  58
  59         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  60
  61         TP_ARGS(lock, ip)
  62 )
  63
  64 #endif /* CONFIG_LOCK_STAT */
  65
  66 #endif /* CONFIG_LOCKDEP */
  67
  68 #endif /* LTTNG_TRACE_LOCK_H */
  69
  70 /* This part must be outside protection */
  71 #include <lttng/define_trace.h>