2 #define TRACE_SYSTEM lock
4 #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
7 #include <linux/lockdep.h>
8 #include <linux/tracepoint.h>
12 TRACE_EVENT(lock_acquire,
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),
18 TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
21 __field(unsigned int, flags)
22 __string(name, lock->name)
23 __field(void *, lockdep_addr)
27 __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
28 __assign_str(name, lock->name);
29 __entry->lockdep_addr = lock;
32 TP_printk("%p %s%s%s", __entry->lockdep_addr,
33 (__entry->flags & 1) ? "try " : "",
34 (__entry->flags & 2) ? "read " : "",
38 TRACE_EVENT(lock_release,
40 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
45 __string(name, lock->name)
46 __field(void *, lockdep_addr)
50 __assign_str(name, lock->name);
51 __entry->lockdep_addr = lock;
55 __entry->lockdep_addr, __get_str(name))
58 #ifdef CONFIG_LOCK_STAT
60 TRACE_EVENT(lock_contended,
62 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
67 __string(name, lock->name)
68 __field(void *, lockdep_addr)
72 __assign_str(name, lock->name);
73 __entry->lockdep_addr = lock;
77 __entry->lockdep_addr, __get_str(name))
80 TRACE_EVENT(lock_acquired,
81 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
86 __string(name, lock->name)
87 __field(void *, lockdep_addr)
91 __assign_str(name, lock->name);
92 __entry->lockdep_addr = lock;
94 TP_printk("%p %s", __entry->lockdep_addr,
101 #endif /* _TRACE_LOCK_H */
103 /* This part must be outside protection */
104 #include <trace/define_trace.h>