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 ) |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 97 | __field( int, cpu ) |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 98 | ), |
| 99 | |
| 100 | TP_fast_assign( |
| 101 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 102 | __entry->pid = p->pid; |
| 103 | __entry->prio = p->prio; |
| 104 | __entry->success = success; |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 105 | __entry->cpu = task_cpu(p); |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 106 | ), |
| 107 | |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 108 | TP_printk("task %s:%d [%d] success=%d [%03d]", |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 109 | __entry->comm, __entry->pid, __entry->prio, |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 110 | __entry->success, __entry->cpu) |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 111 | ); |
| 112 | |
| 113 | /* |
| 114 | * Tracepoint for waking up a new task: |
| 115 | * |
| 116 | * (NOTE: the 'rq' argument is not used by generic trace events, |
| 117 | * but used by the latency tracer plugin. ) |
| 118 | */ |
| 119 | TRACE_EVENT(sched_wakeup_new, |
| 120 | |
| 121 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
| 122 | |
| 123 | TP_ARGS(rq, p, success), |
| 124 | |
| 125 | TP_STRUCT__entry( |
| 126 | __array( char, comm, TASK_COMM_LEN ) |
| 127 | __field( pid_t, pid ) |
| 128 | __field( int, prio ) |
| 129 | __field( int, success ) |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 130 | __field( int, cpu ) |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 131 | ), |
| 132 | |
| 133 | TP_fast_assign( |
| 134 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 135 | __entry->pid = p->pid; |
| 136 | __entry->prio = p->prio; |
| 137 | __entry->success = success; |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 138 | __entry->cpu = task_cpu(p); |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 139 | ), |
| 140 | |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 141 | TP_printk("task %s:%d [%d] success=%d [%03d]", |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 142 | __entry->comm, __entry->pid, __entry->prio, |
Steven Rostedt | f0693c8 | 2009-08-06 14:59:32 -0400 | [diff] [blame] | 143 | __entry->success, __entry->cpu) |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 144 | ); |
| 145 | |
| 146 | /* |
| 147 | * Tracepoint for task switches, performed by the scheduler: |
| 148 | * |
| 149 | * (NOTE: the 'rq' argument is not used by generic trace events, |
| 150 | * but used by the latency tracer plugin. ) |
| 151 | */ |
| 152 | TRACE_EVENT(sched_switch, |
| 153 | |
| 154 | TP_PROTO(struct rq *rq, struct task_struct *prev, |
| 155 | struct task_struct *next), |
| 156 | |
| 157 | TP_ARGS(rq, prev, next), |
| 158 | |
| 159 | TP_STRUCT__entry( |
| 160 | __array( char, prev_comm, TASK_COMM_LEN ) |
| 161 | __field( pid_t, prev_pid ) |
| 162 | __field( int, prev_prio ) |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 163 | __field( long, prev_state ) |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 164 | __array( char, next_comm, TASK_COMM_LEN ) |
| 165 | __field( pid_t, next_pid ) |
| 166 | __field( int, next_prio ) |
| 167 | ), |
| 168 | |
| 169 | TP_fast_assign( |
| 170 | memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN); |
| 171 | __entry->prev_pid = prev->pid; |
| 172 | __entry->prev_prio = prev->prio; |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 173 | __entry->prev_state = prev->state; |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 174 | memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN); |
| 175 | __entry->next_pid = next->pid; |
| 176 | __entry->next_prio = next->prio; |
| 177 | ), |
| 178 | |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 179 | TP_printk("task %s:%d [%d] (%s) ==> %s:%d [%d]", |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 180 | __entry->prev_comm, __entry->prev_pid, __entry->prev_prio, |
Steven Rostedt | 937cdb9 | 2009-05-15 10:51:13 -0400 | [diff] [blame] | 181 | __entry->prev_state ? |
| 182 | __print_flags(__entry->prev_state, "|", |
| 183 | { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" }, |
| 184 | { 16, "Z" }, { 32, "X" }, { 64, "x" }, |
| 185 | { 128, "W" }) : "R", |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 186 | __entry->next_comm, __entry->next_pid, __entry->next_prio) |
| 187 | ); |
| 188 | |
| 189 | /* |
| 190 | * Tracepoint for a task being migrated: |
| 191 | */ |
| 192 | TRACE_EVENT(sched_migrate_task, |
| 193 | |
Mathieu Desnoyers | de1d728 | 2009-05-05 16:49:59 +0800 | [diff] [blame] | 194 | TP_PROTO(struct task_struct *p, int dest_cpu), |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 195 | |
Mathieu Desnoyers | de1d728 | 2009-05-05 16:49:59 +0800 | [diff] [blame] | 196 | TP_ARGS(p, dest_cpu), |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 197 | |
| 198 | TP_STRUCT__entry( |
| 199 | __array( char, comm, TASK_COMM_LEN ) |
| 200 | __field( pid_t, pid ) |
| 201 | __field( int, prio ) |
| 202 | __field( int, orig_cpu ) |
| 203 | __field( int, dest_cpu ) |
| 204 | ), |
| 205 | |
| 206 | TP_fast_assign( |
| 207 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 208 | __entry->pid = p->pid; |
| 209 | __entry->prio = p->prio; |
Mathieu Desnoyers | de1d728 | 2009-05-05 16:49:59 +0800 | [diff] [blame] | 210 | __entry->orig_cpu = task_cpu(p); |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 211 | __entry->dest_cpu = dest_cpu; |
| 212 | ), |
| 213 | |
| 214 | TP_printk("task %s:%d [%d] from: %d to: %d", |
| 215 | __entry->comm, __entry->pid, __entry->prio, |
| 216 | __entry->orig_cpu, __entry->dest_cpu) |
| 217 | ); |
| 218 | |
| 219 | /* |
| 220 | * Tracepoint for freeing a task: |
| 221 | */ |
| 222 | TRACE_EVENT(sched_process_free, |
| 223 | |
| 224 | TP_PROTO(struct task_struct *p), |
| 225 | |
| 226 | TP_ARGS(p), |
| 227 | |
| 228 | TP_STRUCT__entry( |
| 229 | __array( char, comm, TASK_COMM_LEN ) |
| 230 | __field( pid_t, pid ) |
| 231 | __field( int, prio ) |
| 232 | ), |
| 233 | |
| 234 | TP_fast_assign( |
| 235 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 236 | __entry->pid = p->pid; |
| 237 | __entry->prio = p->prio; |
| 238 | ), |
| 239 | |
| 240 | TP_printk("task %s:%d [%d]", |
| 241 | __entry->comm, __entry->pid, __entry->prio) |
| 242 | ); |
| 243 | |
| 244 | /* |
| 245 | * Tracepoint for a task exiting: |
| 246 | */ |
| 247 | TRACE_EVENT(sched_process_exit, |
| 248 | |
| 249 | TP_PROTO(struct task_struct *p), |
| 250 | |
| 251 | TP_ARGS(p), |
| 252 | |
| 253 | TP_STRUCT__entry( |
| 254 | __array( char, comm, TASK_COMM_LEN ) |
| 255 | __field( pid_t, pid ) |
| 256 | __field( int, prio ) |
| 257 | ), |
| 258 | |
| 259 | TP_fast_assign( |
| 260 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 261 | __entry->pid = p->pid; |
| 262 | __entry->prio = p->prio; |
| 263 | ), |
| 264 | |
| 265 | TP_printk("task %s:%d [%d]", |
| 266 | __entry->comm, __entry->pid, __entry->prio) |
| 267 | ); |
| 268 | |
| 269 | /* |
| 270 | * Tracepoint for a waiting task: |
| 271 | */ |
| 272 | TRACE_EVENT(sched_process_wait, |
| 273 | |
| 274 | TP_PROTO(struct pid *pid), |
| 275 | |
| 276 | TP_ARGS(pid), |
| 277 | |
| 278 | TP_STRUCT__entry( |
| 279 | __array( char, comm, TASK_COMM_LEN ) |
| 280 | __field( pid_t, pid ) |
| 281 | __field( int, prio ) |
| 282 | ), |
| 283 | |
| 284 | TP_fast_assign( |
| 285 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 286 | __entry->pid = pid_nr(pid); |
| 287 | __entry->prio = current->prio; |
| 288 | ), |
| 289 | |
| 290 | TP_printk("task %s:%d [%d]", |
| 291 | __entry->comm, __entry->pid, __entry->prio) |
| 292 | ); |
| 293 | |
| 294 | /* |
| 295 | * Tracepoint for do_fork: |
| 296 | */ |
| 297 | TRACE_EVENT(sched_process_fork, |
| 298 | |
| 299 | TP_PROTO(struct task_struct *parent, struct task_struct *child), |
| 300 | |
| 301 | TP_ARGS(parent, child), |
| 302 | |
| 303 | TP_STRUCT__entry( |
| 304 | __array( char, parent_comm, TASK_COMM_LEN ) |
| 305 | __field( pid_t, parent_pid ) |
| 306 | __array( char, child_comm, TASK_COMM_LEN ) |
| 307 | __field( pid_t, child_pid ) |
| 308 | ), |
| 309 | |
| 310 | TP_fast_assign( |
| 311 | memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN); |
| 312 | __entry->parent_pid = parent->pid; |
| 313 | memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN); |
| 314 | __entry->child_pid = child->pid; |
| 315 | ), |
| 316 | |
| 317 | TP_printk("parent %s:%d child %s:%d", |
| 318 | __entry->parent_comm, __entry->parent_pid, |
| 319 | __entry->child_comm, __entry->child_pid) |
| 320 | ); |
| 321 | |
| 322 | /* |
| 323 | * Tracepoint for sending a signal: |
| 324 | */ |
| 325 | TRACE_EVENT(sched_signal_send, |
| 326 | |
| 327 | TP_PROTO(int sig, struct task_struct *p), |
| 328 | |
| 329 | TP_ARGS(sig, p), |
| 330 | |
| 331 | TP_STRUCT__entry( |
| 332 | __field( int, sig ) |
| 333 | __array( char, comm, TASK_COMM_LEN ) |
| 334 | __field( pid_t, pid ) |
| 335 | ), |
| 336 | |
| 337 | TP_fast_assign( |
| 338 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 339 | __entry->pid = p->pid; |
| 340 | __entry->sig = sig; |
| 341 | ), |
| 342 | |
| 343 | TP_printk("sig: %d task %s:%d", |
| 344 | __entry->sig, __entry->comm, __entry->pid) |
| 345 | ); |
| 346 | |
Peter Zijlstra | 768d0c2 | 2009-07-23 20:13:26 +0200 | [diff] [blame] | 347 | /* |
| 348 | * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE |
| 349 | * adding sched_stat support to SCHED_FIFO/RR would be welcome. |
| 350 | */ |
| 351 | |
| 352 | /* |
| 353 | * Tracepoint for accounting wait time (time the task is runnable |
| 354 | * but not actually running due to scheduler contention). |
| 355 | */ |
| 356 | TRACE_EVENT(sched_stat_wait, |
| 357 | |
| 358 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 359 | |
| 360 | TP_ARGS(tsk, delay), |
| 361 | |
| 362 | TP_STRUCT__entry( |
| 363 | __array( char, comm, TASK_COMM_LEN ) |
| 364 | __field( pid_t, pid ) |
| 365 | __field( u64, delay ) |
| 366 | ), |
| 367 | |
| 368 | TP_fast_assign( |
| 369 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 370 | __entry->pid = tsk->pid; |
| 371 | __entry->delay = delay; |
| 372 | ) |
| 373 | TP_perf_assign( |
| 374 | __perf_count(delay); |
| 375 | ), |
| 376 | |
| 377 | TP_printk("task: %s:%d wait: %Lu [ns]", |
| 378 | __entry->comm, __entry->pid, |
| 379 | (unsigned long long)__entry->delay) |
| 380 | ); |
| 381 | |
| 382 | /* |
| 383 | * Tracepoint for accounting sleep time (time the task is not runnable, |
| 384 | * including iowait, see below). |
| 385 | */ |
| 386 | TRACE_EVENT(sched_stat_sleep, |
| 387 | |
| 388 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 389 | |
| 390 | TP_ARGS(tsk, delay), |
| 391 | |
| 392 | TP_STRUCT__entry( |
| 393 | __array( char, comm, TASK_COMM_LEN ) |
| 394 | __field( pid_t, pid ) |
| 395 | __field( u64, delay ) |
| 396 | ), |
| 397 | |
| 398 | TP_fast_assign( |
| 399 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 400 | __entry->pid = tsk->pid; |
| 401 | __entry->delay = delay; |
| 402 | ) |
| 403 | TP_perf_assign( |
| 404 | __perf_count(delay); |
| 405 | ), |
| 406 | |
| 407 | TP_printk("task: %s:%d sleep: %Lu [ns]", |
| 408 | __entry->comm, __entry->pid, |
| 409 | (unsigned long long)__entry->delay) |
| 410 | ); |
| 411 | |
| 412 | /* |
| 413 | * Tracepoint for accounting iowait time (time the task is not runnable |
| 414 | * due to waiting on IO to complete). |
| 415 | */ |
| 416 | TRACE_EVENT(sched_stat_iowait, |
| 417 | |
| 418 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 419 | |
| 420 | TP_ARGS(tsk, delay), |
| 421 | |
| 422 | TP_STRUCT__entry( |
| 423 | __array( char, comm, TASK_COMM_LEN ) |
| 424 | __field( pid_t, pid ) |
| 425 | __field( u64, delay ) |
| 426 | ), |
| 427 | |
| 428 | TP_fast_assign( |
| 429 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 430 | __entry->pid = tsk->pid; |
| 431 | __entry->delay = delay; |
| 432 | ) |
| 433 | TP_perf_assign( |
| 434 | __perf_count(delay); |
| 435 | ), |
| 436 | |
| 437 | TP_printk("task: %s:%d iowait: %Lu [ns]", |
| 438 | __entry->comm, __entry->pid, |
| 439 | (unsigned long long)__entry->delay) |
| 440 | ); |
| 441 | |
Steven Rostedt | ea20d92 | 2009-04-10 08:54:16 -0400 | [diff] [blame] | 442 | #endif /* _TRACE_SCHED_H */ |
Steven Rostedt | a8d154b | 2009-04-10 09:36:00 -0400 | [diff] [blame] | 443 | |
| 444 | /* This part must be outside protection */ |
| 445 | #include <trace/define_trace.h> |