include/instrumentation/events/lock.h

   1 // SPDX-FileCopyrightText: 2012 Paul Woegerer <paul_woegerer@mentor.com>
   2 //
   3 // SPDX-License-Identifier: GPL-2.0-only
   4
   5 #undef TRACE_SYSTEM
   6 #define TRACE_SYSTEM lock
   7
   8 #if !defined(LTTNG_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
   9 #define LTTNG_TRACE_LOCK_H
  10
  11 #include <linux/lockdep.h>
  12 #include <lttng/tracepoint-event.h>
  13
  14 #ifdef CONFIG_LOCKDEP
  15
  16 LTTNG_TRACEPOINT_EVENT(lock_acquire,
  17
  18         TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
  19                 int trylock, int read, int check,
  20                 struct lockdep_map *next_lock, unsigned long ip),
  21
  22         TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
  23
  24         TP_FIELDS(
  25                 ctf_integer(unsigned int, flags, (trylock ? 1 : 0) | (read ? 2 : 0))
  26                 ctf_string(name, lock->name)
  27                 ctf_integer_hex(void *, lockdep_addr, lock)
  28         )
  29 )
  30
  31 LTTNG_TRACEPOINT_EVENT_CLASS(lock,
  32
  33         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  34
  35         TP_ARGS(lock, ip),
  36
  37         TP_FIELDS(
  38                 ctf_string(name, lock->name)
  39                 ctf_integer_hex(void *, lockdep_addr, lock)
  40         )
  41 )
  42
  43 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_release,
  44
  45         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  46
  47         TP_ARGS(lock, ip)
  48 )
  49
  50 #ifdef CONFIG_LOCK_STAT
  51
  52 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_contended,
  53
  54         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  55
  56         TP_ARGS(lock, ip)
  57 )
  58
  59 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_acquired,
  60
  61         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  62
  63         TP_ARGS(lock, ip)
  64 )
  65
  66 #endif /* CONFIG_LOCK_STAT */
  67
  68 #endif /* CONFIG_LOCKDEP */
  69
  70 #endif /* LTTNG_TRACE_LOCK_H */
  71
  72 /* This part must be outside protection */
  73 #include <lttng/define_trace.h>