projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| b283666f PW |
1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM lock | |
| 3 | ||
| 4 | #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 5 | #define _TRACE_LOCK_H | |
| 6 | ||
| 7 | #include <linux/lockdep.h> | |
| 8 | #include <linux/tracepoint.h> | |
| 9 | ||
| 10 | #ifdef CONFIG_LOCKDEP | |
| 11 | ||
| 12 | TRACE_EVENT(lock_acquire, | |
| 13 | ||
| 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), | |
| 17 | ||
| 18 | TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip), | |
| 19 | ||
| 20 | TP_STRUCT__entry( | |
| 21 | __field(unsigned int, flags) | |
| 22 | __string(name, lock->name) | |
| 23 | __field(void *, lockdep_addr) | |
| 24 | ), | |
| 25 | ||
| 26 | TP_fast_assign( | |
| d3ac4d63 PW |
27 | tp_assign(flags, (trylock ? 1 : 0) | (read ? 2 : 0)) |
| 28 | tp_strcpy(name, lock->name) | |
| 29 | tp_assign(lockdep_addr, lock) | |
| b283666f PW |
30 | ), |
| 31 | ||
| 32 | TP_printk("%p %s%s%s", __entry->lockdep_addr, | |
| 33 | (__entry->flags & 1) ? "try " : "", | |
| 34 | (__entry->flags & 2) ? "read " : "", | |
| 35 | __get_str(name)) | |
| 36 | ) | |
| 37 | ||
| 38 | DECLARE_EVENT_CLASS(lock, | |
| 39 | ||
| 40 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), | |
| 41 | ||
| 42 | TP_ARGS(lock, ip), | |
| 43 | ||
| 44 | TP_STRUCT__entry( | |
| 45 | __string( name, lock->name ) | |
| 46 | __field( void *, lockdep_addr ) | |
| 47 | ), | |
| 48 | ||
| 49 | TP_fast_assign( | |
| d3ac4d63 PW |
50 | tp_strcpy(name, lock->name) |
| 51 | tp_assign(lockdep_addr, lock) | |
| b283666f PW |
52 | ), |
| 53 | ||
| 54 | TP_printk("%p %s", __entry->lockdep_addr, __get_str(name)) | |
| 55 | ) | |
| 56 | ||
| 57 | DEFINE_EVENT(lock, lock_release, | |
| 58 | ||
| 59 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), | |
| 60 | ||
| 61 | TP_ARGS(lock, ip) | |
| 62 | ) | |
| 63 | ||
| 64 | #ifdef CONFIG_LOCK_STAT | |
| 65 | ||
| 66 | DEFINE_EVENT(lock, lock_contended, | |
| 67 | ||
| 68 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), | |
| 69 | ||
| 70 | TP_ARGS(lock, ip) | |
| 71 | ) | |
| 72 | ||
| 73 | DEFINE_EVENT(lock, lock_acquired, | |
| 74 | ||
| 75 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), | |
| 76 | ||
| 77 | TP_ARGS(lock, ip) | |
| 78 | ) | |
| 79 | ||
| 80 | #endif | |
| 81 | #endif | |
| 82 | ||
| 83 | #endif /* _TRACE_LOCK_H */ | |
| 84 | ||
| 85 | /* This part must be outside protection */ | |
| 86 | #include "../../../probes/define_trace.h" |