1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM lock
4
5#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_LOCK_H
7
8#include <linux/lockdep.h>
9#include <linux/tracepoint.h>
10
11#ifdef CONFIG_LOCKDEP
12
13TRACE_EVENT(lock_acquire,
14
15	TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
16		int trylock, int read, int check,
17		struct lockdep_map *next_lock, unsigned long ip),
18
19	TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
20
21	TP_STRUCT__entry(
22		__field(unsigned int, flags)
23		__string(name, lock->name)
24		__field(void *, lockdep_addr)
25	),
26
27	TP_fast_assign(
28		__entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
29		__assign_str(name, lock->name);
30		__entry->lockdep_addr = lock;
31	),
32
33	TP_printk("%p %s%s%s", __entry->lockdep_addr,
34		  (__entry->flags & 1) ? "try " : "",
35		  (__entry->flags & 2) ? "read " : "",
36		  __get_str(name))
37);
38
39DECLARE_EVENT_CLASS(lock,
40
41	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
42
43	TP_ARGS(lock, ip),
44
45	TP_STRUCT__entry(
46		__string(	name, 	lock->name	)
47		__field(	void *, lockdep_addr	)
48	),
49
50	TP_fast_assign(
51		__assign_str(name, lock->name);
52		__entry->lockdep_addr = lock;
53	),
54
55	TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
56);
57
58DEFINE_EVENT(lock, lock_release,
59
60	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
61
62	TP_ARGS(lock, ip)
63);
64
65#ifdef CONFIG_LOCK_STAT
66
67DEFINE_EVENT(lock, lock_contended,
68
69	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
70
71	TP_ARGS(lock, ip)
72);
73
74DEFINE_EVENT(lock, lock_acquired,
75
76	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
77
78	TP_ARGS(lock, ip)
79);
80
81#endif
82#endif
83
84#endif /* _TRACE_LOCK_H */
85
86/* This part must be outside protection */
87#include <trace/define_trace.h>
88