| 1 | #include <linux/version.h> |
| 2 | |
| 3 | #undef TRACE_SYSTEM |
| 4 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) |
| 5 | #define TRACE_SYSTEM lock |
| 6 | #else |
| 7 | #define TRACE_SYSTEM lockdep |
| 8 | #define TRACE_INCLUDE_FILE lock |
| 9 | #if defined(_TRACE_LOCKDEP_H) |
| 10 | #define _TRACE_LOCK_H |
| 11 | #endif |
| 12 | #endif |
| 13 | |
| 14 | #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
| 15 | #define _TRACE_LOCK_H |
| 16 | |
| 17 | #include <linux/lockdep.h> |
| 18 | #include <linux/tracepoint.h> |
| 19 | |
| 20 | #ifdef CONFIG_LOCKDEP |
| 21 | |
| 22 | TRACE_EVENT(lock_acquire, |
| 23 | |
| 24 | TP_PROTO(struct lockdep_map *lock, unsigned int subclass, |
| 25 | int trylock, int read, int check, |
| 26 | struct lockdep_map *next_lock, unsigned long ip), |
| 27 | |
| 28 | TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip), |
| 29 | |
| 30 | TP_STRUCT__entry( |
| 31 | __field(unsigned int, flags) |
| 32 | __string(name, lock->name) |
| 33 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 34 | __field(void *, lockdep_addr) |
| 35 | #endif |
| 36 | ), |
| 37 | |
| 38 | TP_fast_assign( |
| 39 | tp_assign(flags, (trylock ? 1 : 0) | (read ? 2 : 0)) |
| 40 | tp_strcpy(name, lock->name) |
| 41 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 42 | tp_assign(lockdep_addr, lock) |
| 43 | #endif |
| 44 | ), |
| 45 | |
| 46 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 47 | TP_printk("%p %s%s%s", __entry->lockdep_addr, |
| 48 | #else |
| 49 | TP_printk("%s%s%s", |
| 50 | #endif |
| 51 | (__entry->flags & 1) ? "try " : "", |
| 52 | (__entry->flags & 2) ? "read " : "", |
| 53 | __get_str(name)) |
| 54 | ) |
| 55 | |
| 56 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
| 57 | |
| 58 | DECLARE_EVENT_CLASS(lock, |
| 59 | |
| 60 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), |
| 61 | |
| 62 | TP_ARGS(lock, ip), |
| 63 | |
| 64 | TP_STRUCT__entry( |
| 65 | __string( name, lock->name ) |
| 66 | __field( void *, lockdep_addr ) |
| 67 | ), |
| 68 | |
| 69 | TP_fast_assign( |
| 70 | tp_strcpy(name, lock->name) |
| 71 | tp_assign(lockdep_addr, lock) |
| 72 | ), |
| 73 | |
| 74 | TP_printk("%p %s", __entry->lockdep_addr, __get_str(name)) |
| 75 | ) |
| 76 | |
| 77 | DEFINE_EVENT(lock, lock_release, |
| 78 | |
| 79 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), |
| 80 | |
| 81 | TP_ARGS(lock, ip) |
| 82 | ) |
| 83 | |
| 84 | #ifdef CONFIG_LOCK_STAT |
| 85 | |
| 86 | DEFINE_EVENT(lock, lock_contended, |
| 87 | |
| 88 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), |
| 89 | |
| 90 | TP_ARGS(lock, ip) |
| 91 | ) |
| 92 | |
| 93 | DEFINE_EVENT(lock, lock_acquired, |
| 94 | |
| 95 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), |
| 96 | |
| 97 | TP_ARGS(lock, ip) |
| 98 | ) |
| 99 | |
| 100 | #endif |
| 101 | |
| 102 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 103 | |
| 104 | TRACE_EVENT(lock_release, |
| 105 | |
| 106 | TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip), |
| 107 | |
| 108 | TP_ARGS(lock, nested, ip), |
| 109 | |
| 110 | TP_STRUCT__entry( |
| 111 | __string( name, lock->name ) |
| 112 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 113 | __field( void *, lockdep_addr ) |
| 114 | #endif |
| 115 | ), |
| 116 | |
| 117 | TP_fast_assign( |
| 118 | tp_strcpy(name, lock->name) |
| 119 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 120 | tp_assign(lockdep_addr, lock) |
| 121 | #endif |
| 122 | ), |
| 123 | |
| 124 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 125 | TP_printk("%p %s", __entry->lockdep_addr, __get_str(name)) |
| 126 | #else |
| 127 | TP_printk("%s", __get_str(name)) |
| 128 | #endif |
| 129 | ) |
| 130 | |
| 131 | #ifdef CONFIG_LOCK_STAT |
| 132 | |
| 133 | TRACE_EVENT(lock_contended, |
| 134 | |
| 135 | TP_PROTO(struct lockdep_map *lock, unsigned long ip), |
| 136 | |
| 137 | TP_ARGS(lock, ip), |
| 138 | |
| 139 | TP_STRUCT__entry( |
| 140 | __string( name, lock->name ) |
| 141 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 142 | __field( void *, lockdep_addr ) |
| 143 | #endif |
| 144 | ), |
| 145 | |
| 146 | TP_fast_assign( |
| 147 | tp_strcpy(name, lock->name) |
| 148 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 149 | tp_assign(lockdep_addr, lock) |
| 150 | #endif |
| 151 | ), |
| 152 | |
| 153 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 154 | TP_printk("%p %s", __entry->lockdep_addr, __get_str(name)) |
| 155 | #else |
| 156 | TP_printk("%s", __get_str(name)) |
| 157 | #endif |
| 158 | ) |
| 159 | |
| 160 | TRACE_EVENT(lock_acquired, |
| 161 | |
| 162 | TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime), |
| 163 | |
| 164 | TP_ARGS(lock, ip, waittime), |
| 165 | |
| 166 | TP_STRUCT__entry( |
| 167 | __string( name, lock->name ) |
| 168 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 169 | __field( s64, wait_nsec ) |
| 170 | __field( void *, lockdep_addr ) |
| 171 | #else |
| 172 | __field(unsigned long, wait_usec) |
| 173 | __field(unsigned long, wait_nsec_rem) |
| 174 | #endif |
| 175 | ), |
| 176 | |
| 177 | TP_fast_assign( |
| 178 | tp_strcpy(name, lock->name) |
| 179 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 180 | tp_assign(wait_nsec, waittime) |
| 181 | tp_assign(lockdep_addr, lock) |
| 182 | #else |
| 183 | tp_assign(wait_usec, (unsigned long)waittime) |
| 184 | tp_assign(wait_nsec_rem, do_div(waittime, NSEC_PER_USEC)) |
| 185 | #endif |
| 186 | ), |
| 187 | |
| 188 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) |
| 189 | TP_printk("%p %s (%llu ns)", __entry->lockdep_addr, |
| 190 | __get_str(name), __entry->wait_nsec) |
| 191 | #else |
| 192 | TP_printk("%s (%lu.%03lu us)", |
| 193 | __get_str(name), |
| 194 | __entry->wait_usec, __entry->wait_nsec_rem) |
| 195 | #endif |
| 196 | ) |
| 197 | |
| 198 | #endif |
| 199 | |
| 200 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 201 | |
| 202 | #endif |
| 203 | |
| 204 | #endif /* _TRACE_LOCK_H */ |
| 205 | |
| 206 | /* This part must be outside protection */ |
| 207 | #include "../../../probes/define_trace.h" |