lock.h 2.4 KB

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  1. #undef TRACE_SYSTEM
  2. #define TRACE_SYSTEM lock
  3. #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
  4. #define _TRACE_LOCK_H
  5. #include <linux/lockdep.h>
  6. #include <linux/tracepoint.h>
  7. #ifdef CONFIG_DEBUG_MUTEXES
  8. TRACE_EVENT(mutex_contended,
  9. TP_PROTO(struct mutex *lock, unsigned long ip),
  10. TP_ARGS(lock, ip),
  11. TP_STRUCT__entry(
  12. __string(name, lock->name)
  13. __field(void *, lockdep_addr)
  14. ),
  15. TP_fast_assign(
  16. __assign_str(name, lock->name);
  17. __entry->lockdep_addr = lock;
  18. ),
  19. TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
  20. );
  21. TRACE_EVENT(mutex_acquired,
  22. TP_PROTO(struct mutex *lock, unsigned long ip),
  23. TP_ARGS(lock, ip),
  24. TP_STRUCT__entry(
  25. __string(name, lock->name)
  26. __field(void *, lockdep_addr)
  27. ),
  28. TP_fast_assign(
  29. __assign_str(name, lock->name);
  30. __entry->lockdep_addr = lock;
  31. ),
  32. TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
  33. );
  34. #endif
  35. #ifdef CONFIG_LOCKDEP
  36. TRACE_EVENT(lock_acquire,
  37. TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
  38. int trylock, int read, int check,
  39. struct lockdep_map *next_lock, unsigned long ip),
  40. TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
  41. TP_STRUCT__entry(
  42. __field(unsigned int, flags)
  43. __string(name, lock->name)
  44. __field(void *, lockdep_addr)
  45. ),
  46. TP_fast_assign(
  47. __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
  48. __assign_str(name, lock->name);
  49. __entry->lockdep_addr = lock;
  50. ),
  51. TP_printk("%p %s%s%s", __entry->lockdep_addr,
  52. (__entry->flags & 1) ? "try " : "",
  53. (__entry->flags & 2) ? "read " : "",
  54. __get_str(name))
  55. );
  56. DECLARE_EVENT_CLASS(lock,
  57. TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  58. TP_ARGS(lock, ip),
  59. TP_STRUCT__entry(
  60. __string( name, lock->name )
  61. __field( void *, lockdep_addr )
  62. ),
  63. TP_fast_assign(
  64. __assign_str(name, lock->name);
  65. __entry->lockdep_addr = lock;
  66. ),
  67. TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
  68. );
  69. DEFINE_EVENT(lock, lock_release,
  70. TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  71. TP_ARGS(lock, ip)
  72. );
  73. #ifdef CONFIG_LOCK_STAT
  74. DEFINE_EVENT(lock, lock_contended,
  75. TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  76. TP_ARGS(lock, ip)
  77. );
  78. DEFINE_EVENT(lock, lock_acquired,
  79. TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  80. TP_ARGS(lock, ip)
  81. );
  82. #endif
  83. #endif
  84. #endif /* _TRACE_LOCK_H */
  85. /* This part must be outside protection */
  86. #include <trace/define_trace.h>