LXR linux/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_LOCKDEP
  11
  12TRACE_EVENT(lock_acquire,
  13
  14        TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
  15                int trylock, int read, int check,
  16                struct lockdep_map *next_lock, unsigned long ip),
  17
  18        TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
  19
  20        TP_STRUCT__entry(
  21                __field(unsigned int, flags)
  22                __string(name, lock->name)
  23                __field(void *, lockdep_addr)
  24        ),
  25
  26        TP_fast_assign(
  27                __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
  28                __assign_str(name, lock->name);
  29                __entry->lockdep_addr = lock;
  30        ),
  31
  32        TP_printk("%p %s%s%s", __entry->lockdep_addr,
  33                  (__entry->flags & 1) ? "try " : "",
  34                  (__entry->flags & 2) ? "read " : "",
  35                  __get_str(name))
  36);
  37
  38DECLARE_EVENT_CLASS(lock,
  39
  40        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  41
  42        TP_ARGS(lock, ip),
  43
  44        TP_STRUCT__entry(
  45                __string(       name,   lock->name      )
  46                __field(        void *, lockdep_addr    )
  47        ),
  48
  49        TP_fast_assign(
  50                __assign_str(name, lock->name);
  51                __entry->lockdep_addr = lock;
  52        ),
  53
  54        TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
  55);
  56
  57DEFINE_EVENT(lock, lock_release,
  58
  59        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  60
  61        TP_ARGS(lock, ip)
  62);
  63
  64#ifdef CONFIG_LOCK_STAT
  65
  66DEFINE_EVENT(lock, lock_contended,
  67
  68        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  69
  70        TP_ARGS(lock, ip)
  71);
  72
  73DEFINE_EVENT(lock, lock_acquired,
  74
  75        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
  76
  77        TP_ARGS(lock, ip)
  78);
  79
  80#endif
  81#endif
  82
  83#endif /* _TRACE_LOCK_H */
  84
  85/* This part must be outside protection */
  86#include <trace/define_trace.h>
  87