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