| 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM sched |
| 3 | |
| 4 | #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define _TRACE_SCHED_H |
| 6 | |
| 7 | #include <linux/sched.h> |
| 8 | #include <linux/tracepoint.h> |
| 9 | #include <linux/binfmts.h> |
| 10 | #include <linux/version.h> |
| 11 | |
| 12 | #ifndef _TRACE_SCHED_DEF_ |
| 13 | #define _TRACE_SCHED_DEF_ |
| 14 | |
| 15 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
| 16 | |
| 17 | static inline long __trace_sched_switch_state(struct task_struct *p) |
| 18 | { |
| 19 | long state = p->state; |
| 20 | |
| 21 | #ifdef CONFIG_PREEMPT |
| 22 | /* |
| 23 | * For all intents and purposes a preempted task is a running task. |
| 24 | */ |
| 25 | if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE) |
| 26 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
| 27 | state = TASK_RUNNING | TASK_STATE_MAX; |
| 28 | #else |
| 29 | state = TASK_RUNNING; |
| 30 | #endif |
| 31 | #endif |
| 32 | |
| 33 | return state; |
| 34 | } |
| 35 | |
| 36 | #endif |
| 37 | |
| 38 | #endif /* _TRACE_SCHED_DEF_ */ |
| 39 | |
| 40 | /* |
| 41 | * Tracepoint for calling kthread_stop, performed to end a kthread: |
| 42 | */ |
| 43 | TRACE_EVENT(sched_kthread_stop, |
| 44 | |
| 45 | TP_PROTO(struct task_struct *t), |
| 46 | |
| 47 | TP_ARGS(t), |
| 48 | |
| 49 | TP_STRUCT__entry( |
| 50 | __array_text( char, comm, TASK_COMM_LEN ) |
| 51 | __field( pid_t, tid ) |
| 52 | ), |
| 53 | |
| 54 | TP_fast_assign( |
| 55 | tp_memcpy(comm, t->comm, TASK_COMM_LEN) |
| 56 | tp_assign(tid, t->pid) |
| 57 | ), |
| 58 | |
| 59 | TP_printk("comm=%s tid=%d", __entry->comm, __entry->tid) |
| 60 | ) |
| 61 | |
| 62 | /* |
| 63 | * Tracepoint for the return value of the kthread stopping: |
| 64 | */ |
| 65 | TRACE_EVENT(sched_kthread_stop_ret, |
| 66 | |
| 67 | TP_PROTO(int ret), |
| 68 | |
| 69 | TP_ARGS(ret), |
| 70 | |
| 71 | TP_STRUCT__entry( |
| 72 | __field( int, ret ) |
| 73 | ), |
| 74 | |
| 75 | TP_fast_assign( |
| 76 | tp_assign(ret, ret) |
| 77 | ), |
| 78 | |
| 79 | TP_printk("ret=%d", __entry->ret) |
| 80 | ) |
| 81 | |
| 82 | /* |
| 83 | * Tracepoint for waking up a task: |
| 84 | */ |
| 85 | DECLARE_EVENT_CLASS(sched_wakeup_template, |
| 86 | |
| 87 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
| 88 | TP_PROTO(struct task_struct *p, int success), |
| 89 | |
| 90 | TP_ARGS(p, success), |
| 91 | #else |
| 92 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
| 93 | |
| 94 | TP_ARGS(rq, p, success), |
| 95 | #endif |
| 96 | |
| 97 | TP_STRUCT__entry( |
| 98 | __array_text( char, comm, TASK_COMM_LEN ) |
| 99 | __field( pid_t, tid ) |
| 100 | __field( int, prio ) |
| 101 | __field( int, success ) |
| 102 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
| 103 | __field( int, target_cpu ) |
| 104 | #endif |
| 105 | ), |
| 106 | |
| 107 | TP_fast_assign( |
| 108 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) |
| 109 | tp_assign(tid, p->pid) |
| 110 | tp_assign(prio, p->prio) |
| 111 | tp_assign(success, success) |
| 112 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
| 113 | tp_assign(target_cpu, task_cpu(p)) |
| 114 | #endif |
| 115 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| 116 | ) |
| 117 | TP_perf_assign( |
| 118 | __perf_task(p) |
| 119 | #endif |
| 120 | ), |
| 121 | |
| 122 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
| 123 | TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d", |
| 124 | __entry->comm, __entry->tid, __entry->prio, |
| 125 | __entry->success, __entry->target_cpu) |
| 126 | #else |
| 127 | TP_printk("comm=%s tid=%d prio=%d success=%d", |
| 128 | __entry->comm, __entry->tid, __entry->prio, |
| 129 | __entry->success) |
| 130 | #endif |
| 131 | ) |
| 132 | |
| 133 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
| 134 | |
| 135 | DEFINE_EVENT(sched_wakeup_template, sched_wakeup, |
| 136 | TP_PROTO(struct task_struct *p, int success), |
| 137 | TP_ARGS(p, success)) |
| 138 | |
| 139 | /* |
| 140 | * Tracepoint for waking up a new task: |
| 141 | */ |
| 142 | DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new, |
| 143 | TP_PROTO(struct task_struct *p, int success), |
| 144 | TP_ARGS(p, success)) |
| 145 | |
| 146 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 147 | |
| 148 | DEFINE_EVENT(sched_wakeup_template, sched_wakeup, |
| 149 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
| 150 | TP_ARGS(rq, p, success)) |
| 151 | |
| 152 | /* |
| 153 | * Tracepoint for waking up a new task: |
| 154 | */ |
| 155 | DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new, |
| 156 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
| 157 | TP_ARGS(rq, p, success)) |
| 158 | |
| 159 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 160 | |
| 161 | /* |
| 162 | * Tracepoint for task switches, performed by the scheduler: |
| 163 | */ |
| 164 | TRACE_EVENT(sched_switch, |
| 165 | |
| 166 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
| 167 | TP_PROTO(struct task_struct *prev, |
| 168 | struct task_struct *next), |
| 169 | |
| 170 | TP_ARGS(prev, next), |
| 171 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 172 | TP_PROTO(struct rq *rq, struct task_struct *prev, |
| 173 | struct task_struct *next), |
| 174 | |
| 175 | TP_ARGS(rq, prev, next), |
| 176 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 177 | |
| 178 | TP_STRUCT__entry( |
| 179 | __array_text( char, prev_comm, TASK_COMM_LEN ) |
| 180 | __field( pid_t, prev_tid ) |
| 181 | __field( int, prev_prio ) |
| 182 | __field( long, prev_state ) |
| 183 | __array_text( char, next_comm, TASK_COMM_LEN ) |
| 184 | __field( pid_t, next_tid ) |
| 185 | __field( int, next_prio ) |
| 186 | ), |
| 187 | |
| 188 | TP_fast_assign( |
| 189 | tp_memcpy(next_comm, next->comm, TASK_COMM_LEN) |
| 190 | tp_assign(prev_tid, prev->pid) |
| 191 | tp_assign(prev_prio, prev->prio - MAX_RT_PRIO) |
| 192 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
| 193 | tp_assign(prev_state, __trace_sched_switch_state(prev)) |
| 194 | #else |
| 195 | tp_assign(prev_state, prev->state) |
| 196 | #endif |
| 197 | tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN) |
| 198 | tp_assign(next_tid, next->pid) |
| 199 | tp_assign(next_prio, next->prio - MAX_RT_PRIO) |
| 200 | ), |
| 201 | |
| 202 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
| 203 | TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_tid=%d next_prio=%d", |
| 204 | __entry->prev_comm, __entry->prev_tid, __entry->prev_prio, |
| 205 | __entry->prev_state & (TASK_STATE_MAX-1) ? |
| 206 | __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|", |
| 207 | { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" }, |
| 208 | { 16, "Z" }, { 32, "X" }, { 64, "x" }, |
| 209 | { 128, "W" }) : "R", |
| 210 | __entry->prev_state & TASK_STATE_MAX ? "+" : "", |
| 211 | __entry->next_comm, __entry->next_tid, __entry->next_prio) |
| 212 | #else |
| 213 | TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_tid=%d next_prio=%d", |
| 214 | __entry->prev_comm, __entry->prev_tid, __entry->prev_prio, |
| 215 | __entry->prev_state ? |
| 216 | __print_flags(__entry->prev_state, "|", |
| 217 | { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" }, |
| 218 | { 16, "Z" }, { 32, "X" }, { 64, "x" }, |
| 219 | { 128, "W" }) : "R", |
| 220 | __entry->next_comm, __entry->next_tid, __entry->next_prio) |
| 221 | #endif |
| 222 | ) |
| 223 | |
| 224 | /* |
| 225 | * Tracepoint for a task being migrated: |
| 226 | */ |
| 227 | TRACE_EVENT(sched_migrate_task, |
| 228 | |
| 229 | TP_PROTO(struct task_struct *p, int dest_cpu), |
| 230 | |
| 231 | TP_ARGS(p, dest_cpu), |
| 232 | |
| 233 | TP_STRUCT__entry( |
| 234 | __array_text( char, comm, TASK_COMM_LEN ) |
| 235 | __field( pid_t, tid ) |
| 236 | __field( int, prio ) |
| 237 | __field( int, orig_cpu ) |
| 238 | __field( int, dest_cpu ) |
| 239 | ), |
| 240 | |
| 241 | TP_fast_assign( |
| 242 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) |
| 243 | tp_assign(tid, p->pid) |
| 244 | tp_assign(prio, p->prio - MAX_RT_PRIO) |
| 245 | tp_assign(orig_cpu, task_cpu(p)) |
| 246 | tp_assign(dest_cpu, dest_cpu) |
| 247 | ), |
| 248 | |
| 249 | TP_printk("comm=%s tid=%d prio=%d orig_cpu=%d dest_cpu=%d", |
| 250 | __entry->comm, __entry->tid, __entry->prio, |
| 251 | __entry->orig_cpu, __entry->dest_cpu) |
| 252 | ) |
| 253 | |
| 254 | DECLARE_EVENT_CLASS(sched_process_template, |
| 255 | |
| 256 | TP_PROTO(struct task_struct *p), |
| 257 | |
| 258 | TP_ARGS(p), |
| 259 | |
| 260 | TP_STRUCT__entry( |
| 261 | __array_text( char, comm, TASK_COMM_LEN ) |
| 262 | __field( pid_t, tid ) |
| 263 | __field( int, prio ) |
| 264 | ), |
| 265 | |
| 266 | TP_fast_assign( |
| 267 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) |
| 268 | tp_assign(tid, p->pid) |
| 269 | tp_assign(prio, p->prio - MAX_RT_PRIO) |
| 270 | ), |
| 271 | |
| 272 | TP_printk("comm=%s tid=%d prio=%d", |
| 273 | __entry->comm, __entry->tid, __entry->prio) |
| 274 | ) |
| 275 | |
| 276 | /* |
| 277 | * Tracepoint for freeing a task: |
| 278 | */ |
| 279 | DEFINE_EVENT(sched_process_template, sched_process_free, |
| 280 | TP_PROTO(struct task_struct *p), |
| 281 | TP_ARGS(p)) |
| 282 | |
| 283 | |
| 284 | /* |
| 285 | * Tracepoint for a task exiting: |
| 286 | */ |
| 287 | DEFINE_EVENT(sched_process_template, sched_process_exit, |
| 288 | TP_PROTO(struct task_struct *p), |
| 289 | TP_ARGS(p)) |
| 290 | |
| 291 | /* |
| 292 | * Tracepoint for waiting on task to unschedule: |
| 293 | */ |
| 294 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
| 295 | DEFINE_EVENT(sched_process_template, sched_wait_task, |
| 296 | TP_PROTO(struct task_struct *p), |
| 297 | TP_ARGS(p)) |
| 298 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 299 | DEFINE_EVENT(sched_process_template, sched_wait_task, |
| 300 | TP_PROTO(struct rq *rq, struct task_struct *p), |
| 301 | TP_ARGS(rq, p)) |
| 302 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
| 303 | |
| 304 | /* |
| 305 | * Tracepoint for a waiting task: |
| 306 | */ |
| 307 | TRACE_EVENT(sched_process_wait, |
| 308 | |
| 309 | TP_PROTO(struct pid *pid), |
| 310 | |
| 311 | TP_ARGS(pid), |
| 312 | |
| 313 | TP_STRUCT__entry( |
| 314 | __array_text( char, comm, TASK_COMM_LEN ) |
| 315 | __field( pid_t, tid ) |
| 316 | __field( int, prio ) |
| 317 | ), |
| 318 | |
| 319 | TP_fast_assign( |
| 320 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) |
| 321 | tp_assign(tid, pid_nr(pid)) |
| 322 | tp_assign(prio, current->prio - MAX_RT_PRIO) |
| 323 | ), |
| 324 | |
| 325 | TP_printk("comm=%s tid=%d prio=%d", |
| 326 | __entry->comm, __entry->tid, __entry->prio) |
| 327 | ) |
| 328 | |
| 329 | /* |
| 330 | * Tracepoint for do_fork. |
| 331 | * Saving both TID and PID information, especially for the child, allows |
| 332 | * trace analyzers to distinguish between creation of a new process and |
| 333 | * creation of a new thread. Newly created processes will have child_tid |
| 334 | * == child_pid, while creation of a thread yields to child_tid != |
| 335 | * child_pid. |
| 336 | */ |
| 337 | TRACE_EVENT(sched_process_fork, |
| 338 | |
| 339 | TP_PROTO(struct task_struct *parent, struct task_struct *child), |
| 340 | |
| 341 | TP_ARGS(parent, child), |
| 342 | |
| 343 | TP_STRUCT__entry( |
| 344 | __array_text( char, parent_comm, TASK_COMM_LEN ) |
| 345 | __field( pid_t, parent_tid ) |
| 346 | __field( pid_t, parent_pid ) |
| 347 | __array_text( char, child_comm, TASK_COMM_LEN ) |
| 348 | __field( pid_t, child_tid ) |
| 349 | __field( pid_t, child_pid ) |
| 350 | ), |
| 351 | |
| 352 | TP_fast_assign( |
| 353 | tp_memcpy(parent_comm, parent->comm, TASK_COMM_LEN) |
| 354 | tp_assign(parent_tid, parent->pid) |
| 355 | tp_assign(parent_pid, parent->tgid) |
| 356 | tp_memcpy(child_comm, child->comm, TASK_COMM_LEN) |
| 357 | tp_assign(child_tid, child->pid) |
| 358 | tp_assign(child_pid, child->tgid) |
| 359 | ), |
| 360 | |
| 361 | TP_printk("comm=%s tid=%d child_comm=%s child_tid=%d", |
| 362 | __entry->parent_comm, __entry->parent_tid, |
| 363 | __entry->child_comm, __entry->child_tid) |
| 364 | ) |
| 365 | |
| 366 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) |
| 367 | /* |
| 368 | * Tracepoint for sending a signal: |
| 369 | */ |
| 370 | TRACE_EVENT(sched_signal_send, |
| 371 | |
| 372 | TP_PROTO(int sig, struct task_struct *p), |
| 373 | |
| 374 | TP_ARGS(sig, p), |
| 375 | |
| 376 | TP_STRUCT__entry( |
| 377 | __field( int, sig ) |
| 378 | __array( char, comm, TASK_COMM_LEN ) |
| 379 | __field( pid_t, pid ) |
| 380 | ), |
| 381 | |
| 382 | TP_fast_assign( |
| 383 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) |
| 384 | tp_assign(pid, p->pid) |
| 385 | tp_assign(sig, sig) |
| 386 | ), |
| 387 | |
| 388 | TP_printk("sig=%d comm=%s pid=%d", |
| 389 | __entry->sig, __entry->comm, __entry->pid) |
| 390 | ) |
| 391 | #endif |
| 392 | |
| 393 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) |
| 394 | /* |
| 395 | * Tracepoint for exec: |
| 396 | */ |
| 397 | TRACE_EVENT(sched_process_exec, |
| 398 | |
| 399 | TP_PROTO(struct task_struct *p, pid_t old_pid, |
| 400 | struct linux_binprm *bprm), |
| 401 | |
| 402 | TP_ARGS(p, old_pid, bprm), |
| 403 | |
| 404 | TP_STRUCT__entry( |
| 405 | __string( filename, bprm->filename ) |
| 406 | __field( pid_t, tid ) |
| 407 | __field( pid_t, old_tid ) |
| 408 | ), |
| 409 | |
| 410 | TP_fast_assign( |
| 411 | tp_strcpy(filename, bprm->filename) |
| 412 | tp_assign(tid, p->pid) |
| 413 | tp_assign(old_tid, old_pid) |
| 414 | ), |
| 415 | |
| 416 | TP_printk("filename=%s tid=%d old_tid=%d", __get_str(filename), |
| 417 | __entry->tid, __entry->old_tid) |
| 418 | ) |
| 419 | #endif |
| 420 | |
| 421 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
| 422 | /* |
| 423 | * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE |
| 424 | * adding sched_stat support to SCHED_FIFO/RR would be welcome. |
| 425 | */ |
| 426 | DECLARE_EVENT_CLASS(sched_stat_template, |
| 427 | |
| 428 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 429 | |
| 430 | TP_ARGS(tsk, delay), |
| 431 | |
| 432 | TP_STRUCT__entry( |
| 433 | __array_text( char, comm, TASK_COMM_LEN ) |
| 434 | __field( pid_t, tid ) |
| 435 | __field( u64, delay ) |
| 436 | ), |
| 437 | |
| 438 | TP_fast_assign( |
| 439 | tp_memcpy(comm, tsk->comm, TASK_COMM_LEN) |
| 440 | tp_assign(tid, tsk->pid) |
| 441 | tp_assign(delay, delay) |
| 442 | ) |
| 443 | TP_perf_assign( |
| 444 | __perf_count(delay) |
| 445 | ), |
| 446 | |
| 447 | TP_printk("comm=%s tid=%d delay=%Lu [ns]", |
| 448 | __entry->comm, __entry->tid, |
| 449 | (unsigned long long)__entry->delay) |
| 450 | ) |
| 451 | |
| 452 | |
| 453 | /* |
| 454 | * Tracepoint for accounting wait time (time the task is runnable |
| 455 | * but not actually running due to scheduler contention). |
| 456 | */ |
| 457 | DEFINE_EVENT(sched_stat_template, sched_stat_wait, |
| 458 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 459 | TP_ARGS(tsk, delay)) |
| 460 | |
| 461 | /* |
| 462 | * Tracepoint for accounting sleep time (time the task is not runnable, |
| 463 | * including iowait, see below). |
| 464 | */ |
| 465 | DEFINE_EVENT(sched_stat_template, sched_stat_sleep, |
| 466 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 467 | TP_ARGS(tsk, delay)) |
| 468 | |
| 469 | /* |
| 470 | * Tracepoint for accounting iowait time (time the task is not runnable |
| 471 | * due to waiting on IO to complete). |
| 472 | */ |
| 473 | DEFINE_EVENT(sched_stat_template, sched_stat_iowait, |
| 474 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 475 | TP_ARGS(tsk, delay)) |
| 476 | |
| 477 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) |
| 478 | /* |
| 479 | * Tracepoint for accounting blocked time (time the task is in uninterruptible). |
| 480 | */ |
| 481 | DEFINE_EVENT(sched_stat_template, sched_stat_blocked, |
| 482 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 483 | TP_ARGS(tsk, delay)) |
| 484 | #endif |
| 485 | |
| 486 | /* |
| 487 | * Tracepoint for accounting runtime (time the task is executing |
| 488 | * on a CPU). |
| 489 | */ |
| 490 | TRACE_EVENT(sched_stat_runtime, |
| 491 | |
| 492 | TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime), |
| 493 | |
| 494 | TP_ARGS(tsk, runtime, vruntime), |
| 495 | |
| 496 | TP_STRUCT__entry( |
| 497 | __array_text( char, comm, TASK_COMM_LEN ) |
| 498 | __field( pid_t, tid ) |
| 499 | __field( u64, runtime ) |
| 500 | __field( u64, vruntime ) |
| 501 | ), |
| 502 | |
| 503 | TP_fast_assign( |
| 504 | tp_memcpy(comm, tsk->comm, TASK_COMM_LEN) |
| 505 | tp_assign(tid, tsk->pid) |
| 506 | tp_assign(runtime, runtime) |
| 507 | tp_assign(vruntime, vruntime) |
| 508 | ) |
| 509 | TP_perf_assign( |
| 510 | __perf_count(runtime) |
| 511 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| 512 | __perf_task(tsk) |
| 513 | #endif |
| 514 | ), |
| 515 | |
| 516 | TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]", |
| 517 | __entry->comm, __entry->tid, |
| 518 | (unsigned long long)__entry->runtime, |
| 519 | (unsigned long long)__entry->vruntime) |
| 520 | ) |
| 521 | #endif |
| 522 | |
| 523 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) |
| 524 | /* |
| 525 | * Tracepoint for showing priority inheritance modifying a tasks |
| 526 | * priority. |
| 527 | */ |
| 528 | TRACE_EVENT(sched_pi_setprio, |
| 529 | |
| 530 | TP_PROTO(struct task_struct *tsk, int newprio), |
| 531 | |
| 532 | TP_ARGS(tsk, newprio), |
| 533 | |
| 534 | TP_STRUCT__entry( |
| 535 | __array_text( char, comm, TASK_COMM_LEN ) |
| 536 | __field( pid_t, tid ) |
| 537 | __field( int, oldprio ) |
| 538 | __field( int, newprio ) |
| 539 | ), |
| 540 | |
| 541 | TP_fast_assign( |
| 542 | tp_memcpy(comm, tsk->comm, TASK_COMM_LEN) |
| 543 | tp_assign(tid, tsk->pid) |
| 544 | tp_assign(oldprio, tsk->prio - MAX_RT_PRIO) |
| 545 | tp_assign(newprio, newprio - MAX_RT_PRIO) |
| 546 | ), |
| 547 | |
| 548 | TP_printk("comm=%s tid=%d oldprio=%d newprio=%d", |
| 549 | __entry->comm, __entry->tid, |
| 550 | __entry->oldprio, __entry->newprio) |
| 551 | ) |
| 552 | #endif |
| 553 | |
| 554 | #endif /* _TRACE_SCHED_H */ |
| 555 | |
| 556 | /* This part must be outside protection */ |
| 557 | #include "../../../probes/define_trace.h" |