include/trace/events/lock.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM lock
   3
   4 #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_LOCK_H
   6
   7 #include <linux/lockdep.h>
   8 #include <linux/tracepoint.h>
   9
  10 #ifdef CONFIG_DEBUG_MUTEXES
  11 TRACE_EVENT(mutex_contended,
  12
  13         TP_PROTO(struct mutex *lock, unsigned long ip),
  14
  15         TP_ARGS(lock, ip),
  16
  17         TP_STRUCT__entry(
  18                 __string(       name,   lock->name      )
  19                 __field(        void *, lockdep_addr    )
  20         ),
  21
  22         TP_fast_assign(
  23                 __assign_str(name, lock->name);
  24                 __entry->lockdep_addr = lock;
  25         ),
  26
  27         TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
  28 );
  29
  30 TRACE_EVENT(mutex_acquired,
  31
  32         TP_PROTO(struct mutex *lock, unsigned long ip),
  33
  34         TP_ARGS(lock, ip),
  35
  36         TP_STRUCT__entry(
  37                 __string(       name,   lock->name      )
  38                 __field(        void *, lockdep_addr    )
  39         ),
  40
  41         TP_fast_assign(
  42                 __assign_str(name, lock->name);
  43                 __entry->lockdep_addr = lock;
  44         ),
  45
  46         TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
  47 );
  48 #endif
  49 #ifdef CONFIG_LOCKDEP
  50
  51 TRACE_EVENT(lock_acquire,
  52
  53         TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
  54                 int trylock, int read, int check,
  55                 struct lockdep_map *next_lock, unsigned long ip),
  56
  57         TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
  58
  59         TP_STRUCT__entry(
  60                 __field(unsigned int, flags)
  61                 __string(name, lock->name)
  62                 __field(void *, lockdep_addr)
  63         ),
  64
  65         TP_fast_assign(
  66                 __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
  67                 __assign_str(name, lock->name);
  68                 __entry->lockdep_addr = lock;
  69         ),
  70
  71         TP_printk("%p %s%s%s", __entry->lockdep_addr,
  72                   (__entry->flags & 1) ? "try " : "",
  73                   (__entry->flags & 2) ? "read " : "",
  74                   __get_str(name))
  75 );
  76
  77 DECLARE_EVENT_CLASS(lock,
  78
  79         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  80
  81         TP_ARGS(lock, ip),
  82
  83         TP_STRUCT__entry(
  84                 __string(       name,   lock->name      )
  85                 __field(        void *, lockdep_addr    )
  86         ),
  87
  88         TP_fast_assign(
  89                 __assign_str(name, lock->name);
  90                 __entry->lockdep_addr = lock;
  91         ),
  92
  93         TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
  94 );
  95
  96 DEFINE_EVENT(lock, lock_release,
  97
  98         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  99
 100         TP_ARGS(lock, ip)
 101 );
 102
 103 #ifdef CONFIG_LOCK_STAT
 104
 105 DEFINE_EVENT(lock, lock_contended,
 106
 107         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 108
 109         TP_ARGS(lock, ip)
 110 );
 111
 112 DEFINE_EVENT(lock, lock_acquired,
 113
 114         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 115
 116         TP_ARGS(lock, ip)
 117 );
 118
 119 #endif
 120 #endif
 121
 122 #endif /* _TRACE_LOCK_H */
 123
 124 /* This part must be outside protection */
 125 #include <trace/define_trace.h>