diff options
Diffstat (limited to 'include/trace/lockdep.h')
-rw-r--r-- | include/trace/lockdep.h | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/include/trace/lockdep.h b/include/trace/lockdep.h index 5ca67df87f2a..8ee7900b38c4 100644 --- a/include/trace/lockdep.h +++ b/include/trace/lockdep.h | |||
@@ -1,9 +1,57 @@ | |||
1 | #ifndef _TRACE_LOCKDEP_H | 1 | #if !defined(_TRACE_LOCKDEP_H) || defined(TRACE_HEADER_MULTI_READ) |
2 | #define _TRACE_LOCKDEP_H | 2 | #define _TRACE_LOCKDEP_H |
3 | 3 | ||
4 | #include <linux/lockdep.h> | 4 | #include <linux/lockdep.h> |
5 | #include <linux/tracepoint.h> | 5 | #include <linux/tracepoint.h> |
6 | 6 | ||
7 | #include <trace/lockdep_event_types.h> | 7 | #undef TRACE_SYSTEM |
8 | #define TRACE_SYSTEM lock | ||
9 | |||
10 | #ifdef CONFIG_LOCKDEP | ||
11 | |||
12 | TRACE_FORMAT(lock_acquire, | ||
13 | TP_PROTO(struct lockdep_map *lock, unsigned int subclass, | ||
14 | int trylock, int read, int check, | ||
15 | struct lockdep_map *next_lock, unsigned long ip), | ||
16 | TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip), | ||
17 | TP_FMT("%s%s%s", trylock ? "try " : "", | ||
18 | read ? "read " : "", lock->name) | ||
19 | ); | ||
20 | |||
21 | TRACE_FORMAT(lock_release, | ||
22 | TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip), | ||
23 | TP_ARGS(lock, nested, ip), | ||
24 | TP_FMT("%s", lock->name) | ||
25 | ); | ||
26 | |||
27 | #ifdef CONFIG_LOCK_STAT | ||
28 | |||
29 | TRACE_FORMAT(lock_contended, | ||
30 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), | ||
31 | TP_ARGS(lock, ip), | ||
32 | TP_FMT("%s", lock->name) | ||
33 | ); | ||
34 | |||
35 | TRACE_EVENT(lock_acquired, | ||
36 | TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime), | ||
37 | |||
38 | TP_ARGS(lock, ip, waittime), | ||
39 | |||
40 | TP_STRUCT__entry( | ||
41 | __field(const char *, name) | ||
42 | __field(unsigned long, wait_usec) | ||
43 | __field(unsigned long, wait_nsec_rem) | ||
44 | ), | ||
45 | TP_fast_assign( | ||
46 | __entry->name = lock->name; | ||
47 | __entry->wait_nsec_rem = do_div(waittime, NSEC_PER_USEC); | ||
48 | __entry->wait_usec = (unsigned long) waittime; | ||
49 | ), | ||
50 | TP_printk("%s (%lu.%03lu us)", __entry->name, __entry->wait_usec, | ||
51 | __entry->wait_nsec_rem) | ||
52 | ); | ||
8 | 53 | ||
9 | #endif | 54 | #endif |
55 | #endif | ||
56 | |||
57 | #endif /* _TRACE_LOCKDEP_H */ | ||