Commit | Line | Data |
---|---|---|
d0b6e04a | 1 | #undef TRACE_SYSTEM |
67178767 | 2 | #define TRACE_SYSTEM lock |
d0b6e04a | 3 | |
67178767 FW |
4 | #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
5 | #define _TRACE_LOCK_H | |
efed792d PZ |
6 | |
7 | #include <linux/lockdep.h> | |
8 | #include <linux/tracepoint.h> | |
9 | ||
ea20d929 SR |
10 | #ifdef CONFIG_LOCKDEP |
11 | ||
39517091 SR |
12 | TRACE_EVENT(lock_acquire, |
13 | ||
ea20d929 SR |
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), | |
39517091 | 17 | |
ea20d929 | 18 | TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip), |
ea20d929 | 19 | |
39517091 SR |
20 | TP_STRUCT__entry( |
21 | __field(unsigned int, flags) | |
22 | __string(name, lock->name) | |
23 | ), | |
24 | ||
25 | TP_fast_assign( | |
26 | __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0); | |
27 | __assign_str(name, lock->name); | |
28 | ), | |
29 | ||
30 | TP_printk("%s%s%s", (__entry->flags & 1) ? "try " : "", | |
31 | (__entry->flags & 2) ? "read " : "", | |
32 | __get_str(name)) | |
33 | ); | |
34 | ||
35 | TRACE_EVENT(lock_release, | |
36 | ||
ea20d929 | 37 | TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip), |
39517091 | 38 | |
ea20d929 | 39 | TP_ARGS(lock, nested, ip), |
39517091 SR |
40 | |
41 | TP_STRUCT__entry( | |
42 | __string(name, lock->name) | |
43 | ), | |
44 | ||
45 | TP_fast_assign( | |
46 | __assign_str(name, lock->name); | |
47 | ), | |
48 | ||
49 | TP_printk("%s", __get_str(name)) | |
50 | ); | |
ea20d929 SR |
51 | |
52 | #ifdef CONFIG_LOCK_STAT | |
53 | ||
39517091 SR |
54 | TRACE_EVENT(lock_contended, |
55 | ||
ea20d929 | 56 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), |
39517091 | 57 | |
ea20d929 | 58 | TP_ARGS(lock, ip), |
39517091 SR |
59 | |
60 | TP_STRUCT__entry( | |
61 | __string(name, lock->name) | |
62 | ), | |
63 | ||
64 | TP_fast_assign( | |
65 | __assign_str(name, lock->name); | |
66 | ), | |
67 | ||
68 | TP_printk("%s", __get_str(name)) | |
69 | ); | |
ea20d929 SR |
70 | |
71 | TRACE_EVENT(lock_acquired, | |
72 | TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime), | |
73 | ||
74 | TP_ARGS(lock, ip, waittime), | |
75 | ||
76 | TP_STRUCT__entry( | |
7e7ca9a2 | 77 | __string(name, lock->name) |
ea20d929 SR |
78 | __field(unsigned long, wait_usec) |
79 | __field(unsigned long, wait_nsec_rem) | |
80 | ), | |
81 | TP_fast_assign( | |
7e7ca9a2 | 82 | __assign_str(name, lock->name); |
ea20d929 SR |
83 | __entry->wait_nsec_rem = do_div(waittime, NSEC_PER_USEC); |
84 | __entry->wait_usec = (unsigned long) waittime; | |
85 | ), | |
7e7ca9a2 | 86 | TP_printk("%s (%lu.%03lu us)", __get_str(name), __entry->wait_usec, |
ea20d929 SR |
87 | __entry->wait_nsec_rem) |
88 | ); | |
efed792d PZ |
89 | |
90 | #endif | |
ea20d929 SR |
91 | #endif |
92 | ||
67178767 | 93 | #endif /* _TRACE_LOCK_H */ |
a8d154b0 SR |
94 | |
95 | /* This part must be outside protection */ | |
96 | #include <trace/define_trace.h> |