Li Zefan | d0b6e04 | 2009-07-13 10:33:21 +0800 | [diff] [blame] | 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM sched |
| 3 | |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 4 | #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) |
Mathieu Desnoyers | 0a16b60 | 2008-07-18 12:16:17 -0400 | [diff] [blame] | 5 | #define _TRACE_SCHED_H |
| 6 | |
| 7 | #include <linux/sched.h> |
| 8 | #include <linux/tracepoint.h> |
| 9 | |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 10 | /* |
| 11 | * Tracepoint for calling kthread_stop, performed to end a kthread: |
| 12 | */ |
| 13 | TRACE_EVENT(sched_kthread_stop, |
| 14 | |
| 15 | TP_PROTO(struct task_struct *t), |
| 16 | |
| 17 | TP_ARGS(t), |
| 18 | |
| 19 | TP_STRUCT__entry( |
| 20 | __array( char, comm, TASK_COMM_LEN ) |
| 21 | __field( pid_t, pid ) |
| 22 | ), |
| 23 | |
| 24 | TP_fast_assign( |
| 25 | memcpy(__entry->comm, t->comm, TASK_COMM_LEN); |
| 26 | __entry->pid = t->pid; |
| 27 | ), |
| 28 | |
| 29 | TP_printk("task %s:%d", __entry->comm, __entry->pid) |
| 30 | ); |
| 31 | |
| 32 | /* |
| 33 | * Tracepoint for the return value of the kthread stopping: |
| 34 | */ |
| 35 | TRACE_EVENT(sched_kthread_stop_ret, |
| 36 | |
| 37 | TP_PROTO(int ret), |
| 38 | |
| 39 | TP_ARGS(ret), |
| 40 | |
| 41 | TP_STRUCT__entry( |
| 42 | __field( int, ret ) |
| 43 | ), |
| 44 | |
| 45 | TP_fast_assign( |
| 46 | __entry->ret = ret; |
| 47 | ), |
| 48 | |
| 49 | TP_printk("ret %d", __entry->ret) |
| 50 | ); |
| 51 | |
| 52 | /* |
| 53 | * Tracepoint for waiting on task to unschedule: |
| 54 | * |
| 55 | * (NOTE: the 'rq' argument is not used by generic trace events, |
| 56 | * but used by the latency tracer plugin. ) |
| 57 | */ |
| 58 | TRACE_EVENT(sched_wait_task, |
| 59 | |
| 60 | TP_PROTO(struct rq *rq, struct task_struct *p), |
| 61 | |
| 62 | TP_ARGS(rq, p), |
| 63 | |
| 64 | TP_STRUCT__entry( |
| 65 | __array( char, comm, TASK_COMM_LEN ) |
| 66 | __field( pid_t, pid ) |
| 67 | __field( int, prio ) |
| 68 | ), |
| 69 | |
| 70 | TP_fast_assign( |
| 71 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 72 | __entry->pid = p->pid; |
| 73 | __entry->prio = p->prio; |
| 74 | ), |
| 75 | |
| 76 | TP_printk("task %s:%d [%d]", |
| 77 | __entry->comm, __entry->pid, __entry->prio) |
| 78 | ); |
| 79 | |
| 80 | /* |
| 81 | * Tracepoint for waking up a task: |
| 82 | * |
| 83 | * (NOTE: the 'rq' argument is not used by generic trace events, |
| 84 | * but used by the latency tracer plugin. ) |
| 85 | */ |
| 86 | TRACE_EVENT(sched_wakeup, |
| 87 | |
| 88 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
| 89 | |
| 90 | TP_ARGS(rq, p, success), |
| 91 | |
| 92 | TP_STRUCT__entry( |
| 93 | __array( char, comm, TASK_COMM_LEN ) |
| 94 | __field( pid_t, pid ) |
| 95 | __field( int, prio ) |
| 96 | __field( int, success ) |
| 97 | ), |
| 98 | |
| 99 | TP_fast_assign( |
| 100 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 101 | __entry->pid = p->pid; |
| 102 | __entry->prio = p->prio; |
| 103 | __entry->success = success; |
| 104 | ), |
| 105 | |
| 106 | TP_printk("task %s:%d [%d] success=%d", |
| 107 | __entry->comm, __entry->pid, __entry->prio, |
| 108 | __entry->success) |
| 109 | ); |
| 110 | |
| 111 | /* |
| 112 | * Tracepoint for waking up a new task: |
| 113 | * |
| 114 | * (NOTE: the 'rq' argument is not used by generic trace events, |
| 115 | * but used by the latency tracer plugin. ) |
| 116 | */ |
| 117 | TRACE_EVENT(sched_wakeup_new, |
| 118 | |
| 119 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
| 120 | |
| 121 | TP_ARGS(rq, p, success), |
| 122 | |
| 123 | TP_STRUCT__entry( |
| 124 | __array( char, comm, TASK_COMM_LEN ) |
| 125 | __field( pid_t, pid ) |
| 126 | __field( int, prio ) |
| 127 | __field( int, success ) |
| 128 | ), |
| 129 | |
| 130 | TP_fast_assign( |
| 131 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 132 | __entry->pid = p->pid; |
| 133 | __entry->prio = p->prio; |
| 134 | __entry->success = success; |
| 135 | ), |
| 136 | |
| 137 | TP_printk("task %s:%d [%d] success=%d", |
| 138 | __entry->comm, __entry->pid, __entry->prio, |
| 139 | __entry->success) |
| 140 | ); |
| 141 | |
| 142 | /* |
| 143 | * Tracepoint for task switches, performed by the scheduler: |
| 144 | * |
| 145 | * (NOTE: the 'rq' argument is not used by generic trace events, |
| 146 | * but used by the latency tracer plugin. ) |
| 147 | */ |
| 148 | TRACE_EVENT(sched_switch, |
| 149 | |
| 150 | TP_PROTO(struct rq *rq, struct task_struct *prev, |
| 151 | struct task_struct *next), |
| 152 | |
| 153 | TP_ARGS(rq, prev, next), |
| 154 | |
| 155 | TP_STRUCT__entry( |
| 156 | __array( char, prev_comm, TASK_COMM_LEN ) |
| 157 | __field( pid_t, prev_pid ) |
| 158 | __field( int, prev_prio ) |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 159 | __field( long, prev_state ) |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 160 | __array( char, next_comm, TASK_COMM_LEN ) |
| 161 | __field( pid_t, next_pid ) |
| 162 | __field( int, next_prio ) |
| 163 | ), |
| 164 | |
| 165 | TP_fast_assign( |
| 166 | memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN); |
| 167 | __entry->prev_pid = prev->pid; |
| 168 | __entry->prev_prio = prev->prio; |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 169 | __entry->prev_state = prev->state; |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 170 | memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN); |
| 171 | __entry->next_pid = next->pid; |
| 172 | __entry->next_prio = next->prio; |
| 173 | ), |
| 174 | |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 175 | TP_printk("task %s:%d [%d] (%s) ==> %s:%d [%d]", |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 176 | __entry->prev_comm, __entry->prev_pid, __entry->prev_prio, |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 177 | __entry->prev_state ? |
| 178 | __print_flags(__entry->prev_state, "|", |
| 179 | { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" }, |
| 180 | { 16, "Z" }, { 32, "X" }, { 64, "x" }, |
| 181 | { 128, "W" }) : "R", |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 182 | __entry->next_comm, __entry->next_pid, __entry->next_prio) |
| 183 | ); |
| 184 | |
| 185 | /* |
| 186 | * Tracepoint for a task being migrated: |
| 187 | */ |
| 188 | TRACE_EVENT(sched_migrate_task, |
| 189 | |
Mathieu Desnoyers | de1d728 | 2009-05-05 16:49:59 +0800 | [diff] [blame] | 190 | TP_PROTO(struct task_struct *p, int dest_cpu), |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 191 | |
Mathieu Desnoyers | de1d728 | 2009-05-05 16:49:59 +0800 | [diff] [blame] | 192 | TP_ARGS(p, dest_cpu), |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 193 | |
| 194 | TP_STRUCT__entry( |
| 195 | __array( char, comm, TASK_COMM_LEN ) |
| 196 | __field( pid_t, pid ) |
| 197 | __field( int, prio ) |
| 198 | __field( int, orig_cpu ) |
| 199 | __field( int, dest_cpu ) |
| 200 | ), |
| 201 | |
| 202 | TP_fast_assign( |
| 203 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 204 | __entry->pid = p->pid; |
| 205 | __entry->prio = p->prio; |
Mathieu Desnoyers | de1d728 | 2009-05-05 16:49:59 +0800 | [diff] [blame] | 206 | __entry->orig_cpu = task_cpu(p); |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 207 | __entry->dest_cpu = dest_cpu; |
| 208 | ), |
| 209 | |
| 210 | TP_printk("task %s:%d [%d] from: %d to: %d", |
| 211 | __entry->comm, __entry->pid, __entry->prio, |
| 212 | __entry->orig_cpu, __entry->dest_cpu) |
| 213 | ); |
| 214 | |
| 215 | /* |
| 216 | * Tracepoint for freeing a task: |
| 217 | */ |
| 218 | TRACE_EVENT(sched_process_free, |
| 219 | |
| 220 | TP_PROTO(struct task_struct *p), |
| 221 | |
| 222 | TP_ARGS(p), |
| 223 | |
| 224 | TP_STRUCT__entry( |
| 225 | __array( char, comm, TASK_COMM_LEN ) |
| 226 | __field( pid_t, pid ) |
| 227 | __field( int, prio ) |
| 228 | ), |
| 229 | |
| 230 | TP_fast_assign( |
| 231 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 232 | __entry->pid = p->pid; |
| 233 | __entry->prio = p->prio; |
| 234 | ), |
| 235 | |
| 236 | TP_printk("task %s:%d [%d]", |
| 237 | __entry->comm, __entry->pid, __entry->prio) |
| 238 | ); |
| 239 | |
| 240 | /* |
| 241 | * Tracepoint for a task exiting: |
| 242 | */ |
| 243 | TRACE_EVENT(sched_process_exit, |
| 244 | |
| 245 | TP_PROTO(struct task_struct *p), |
| 246 | |
| 247 | TP_ARGS(p), |
| 248 | |
| 249 | TP_STRUCT__entry( |
| 250 | __array( char, comm, TASK_COMM_LEN ) |
| 251 | __field( pid_t, pid ) |
| 252 | __field( int, prio ) |
| 253 | ), |
| 254 | |
| 255 | TP_fast_assign( |
| 256 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 257 | __entry->pid = p->pid; |
| 258 | __entry->prio = p->prio; |
| 259 | ), |
| 260 | |
| 261 | TP_printk("task %s:%d [%d]", |
| 262 | __entry->comm, __entry->pid, __entry->prio) |
| 263 | ); |
| 264 | |
| 265 | /* |
| 266 | * Tracepoint for a waiting task: |
| 267 | */ |
| 268 | TRACE_EVENT(sched_process_wait, |
| 269 | |
| 270 | TP_PROTO(struct pid *pid), |
| 271 | |
| 272 | TP_ARGS(pid), |
| 273 | |
| 274 | TP_STRUCT__entry( |
| 275 | __array( char, comm, TASK_COMM_LEN ) |
| 276 | __field( pid_t, pid ) |
| 277 | __field( int, prio ) |
| 278 | ), |
| 279 | |
| 280 | TP_fast_assign( |
| 281 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 282 | __entry->pid = pid_nr(pid); |
| 283 | __entry->prio = current->prio; |
| 284 | ), |
| 285 | |
| 286 | TP_printk("task %s:%d [%d]", |
| 287 | __entry->comm, __entry->pid, __entry->prio) |
| 288 | ); |
| 289 | |
| 290 | /* |
| 291 | * Tracepoint for do_fork: |
| 292 | */ |
| 293 | TRACE_EVENT(sched_process_fork, |
| 294 | |
| 295 | TP_PROTO(struct task_struct *parent, struct task_struct *child), |
| 296 | |
| 297 | TP_ARGS(parent, child), |
| 298 | |
| 299 | TP_STRUCT__entry( |
| 300 | __array( char, parent_comm, TASK_COMM_LEN ) |
| 301 | __field( pid_t, parent_pid ) |
| 302 | __array( char, child_comm, TASK_COMM_LEN ) |
| 303 | __field( pid_t, child_pid ) |
| 304 | ), |
| 305 | |
| 306 | TP_fast_assign( |
| 307 | memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN); |
| 308 | __entry->parent_pid = parent->pid; |
| 309 | memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN); |
| 310 | __entry->child_pid = child->pid; |
| 311 | ), |
| 312 | |
| 313 | TP_printk("parent %s:%d child %s:%d", |
| 314 | __entry->parent_comm, __entry->parent_pid, |
| 315 | __entry->child_comm, __entry->child_pid) |
| 316 | ); |
| 317 | |
| 318 | /* |
| 319 | * Tracepoint for sending a signal: |
| 320 | */ |
| 321 | TRACE_EVENT(sched_signal_send, |
| 322 | |
| 323 | TP_PROTO(int sig, struct task_struct *p), |
| 324 | |
| 325 | TP_ARGS(sig, p), |
| 326 | |
| 327 | TP_STRUCT__entry( |
| 328 | __field( int, sig ) |
| 329 | __array( char, comm, TASK_COMM_LEN ) |
| 330 | __field( pid_t, pid ) |
| 331 | ), |
| 332 | |
| 333 | TP_fast_assign( |
| 334 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 335 | __entry->pid = p->pid; |
| 336 | __entry->sig = sig; |
| 337 | ), |
| 338 | |
| 339 | TP_printk("sig: %d task %s:%d", |
| 340 | __entry->sig, __entry->comm, __entry->pid) |
| 341 | ); |
| 342 | |
| 343 | #endif /* _TRACE_SCHED_H */ |
Steven Rostedt | a8d154b | 2009-04-10 09:36:00 -0400 | [diff] [blame] | 344 | |
| 345 | /* This part must be outside protection */ |
| 346 | #include <trace/define_trace.h> |