instrumentation/events/lttng-module/sched.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM sched
   3
   4 #if !defined(LTTNG_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define LTTNG_TRACE_SCHED_H
   6
   7 #include <probes/lttng-tracepoint-event.h>
   8 #include <linux/sched.h>
   9 #include <linux/pid_namespace.h>
  10 #include <linux/binfmts.h>
  11 #include <linux/version.h>
  12 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
  13 #include <linux/sched/rt.h>
  14 #endif
  15
  16 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
  17 #define lttng_proc_inum ns.inum
  18 #else
  19 #define lttng_proc_inum proc_inum
  20 #endif
  21
  22 #define LTTNG_MAX_PID_NS_LEVEL 32
  23
  24 #ifndef _TRACE_SCHED_DEF_
  25 #define _TRACE_SCHED_DEF_
  26
  27 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
  28
  29 static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
  30 {
  31 #ifdef CONFIG_SCHED_DEBUG
  32         BUG_ON(p != current);
  33 #endif /* CONFIG_SCHED_DEBUG */
  34         /*
  35          * Preemption ignores task state, therefore preempted tasks are always RUNNING
  36          * (we will not have dequeued if state != RUNNING).
  37          */
  38         return preempt ? TASK_RUNNING | TASK_STATE_MAX : p->state;
  39 }
  40
  41 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
  42
  43 static inline long __trace_sched_switch_state(struct task_struct *p)
  44 {
  45         long state = p->state;
  46
  47 #ifdef CONFIG_PREEMPT
  48 #ifdef CONFIG_SCHED_DEBUG
  49         BUG_ON(p != current);
  50 #endif /* CONFIG_SCHED_DEBUG */
  51         /*
  52          * For all intents and purposes a preempted task is a running task.
  53          */
  54         if (preempt_count() & PREEMPT_ACTIVE)
  55                 state = TASK_RUNNING | TASK_STATE_MAX;
  56 #endif  /* CONFIG_PREEMPT */
  57
  58         return state;
  59 }
  60
  61 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
  62
  63 static inline long __trace_sched_switch_state(struct task_struct *p)
  64 {
  65         long state = p->state;
  66
  67 #ifdef CONFIG_PREEMPT
  68         /*
  69          * For all intents and purposes a preempted task is a running task.
  70          */
  71         if (task_preempt_count(p) & PREEMPT_ACTIVE)
  72                 state = TASK_RUNNING | TASK_STATE_MAX;
  73 #endif
  74
  75         return state;
  76 }
  77
  78 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
  79
  80 static inline long __trace_sched_switch_state(struct task_struct *p)
  81 {
  82         long state = p->state;
  83
  84 #ifdef CONFIG_PREEMPT
  85         /*
  86          * For all intents and purposes a preempted task is a running task.
  87          */
  88         if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
  89                 state = TASK_RUNNING | TASK_STATE_MAX;
  90 #endif
  91
  92         return state;
  93 }
  94
  95 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
  96
  97 static inline long __trace_sched_switch_state(struct task_struct *p)
  98 {
  99         long state = p->state;
 100
 101 #ifdef CONFIG_PREEMPT
 102         /*
 103          * For all intents and purposes a preempted task is a running task.
 104          */
 105         if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
 106                 state = TASK_RUNNING;
 107 #endif
 108
 109         return state;
 110 }
 111
 112 #endif
 113
 114 #endif /* _TRACE_SCHED_DEF_ */
 115
 116 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0))
 117 LTTNG_TRACEPOINT_ENUM(lttng_sched_policy,
 118         TP_ENUM_VALUES(
 119                 ctf_enum_value("SCHED_NORMAL", SCHED_NORMAL)
 120                 ctf_enum_value("SCHED_FIFO", SCHED_FIFO)
 121                 ctf_enum_value("SCHED_RR", SCHED_RR)
 122                 ctf_enum_value("SCHED_BATCH", SCHED_BATCH)
 123                 ctf_enum_value("SCHED_IDLE", SCHED_IDLE)
 124                 ctf_enum_value("SCHED_DEADLINE", SCHED_DEADLINE)
 125         )
 126 )
 127 #endif
 128
 129 /*
 130  * Tracepoint for calling kthread_stop, performed to end a kthread:
 131  */
 132 LTTNG_TRACEPOINT_EVENT(sched_kthread_stop,
 133
 134         TP_PROTO(struct task_struct *t),
 135
 136         TP_ARGS(t),
 137
 138         TP_FIELDS(
 139                 ctf_array_text(char, comm, t->comm, TASK_COMM_LEN)
 140                 ctf_integer(pid_t, tid, t->pid)
 141         )
 142 )
 143
 144 /*
 145  * Tracepoint for the return value of the kthread stopping:
 146  */
 147 LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,
 148
 149         TP_PROTO(int ret),
 150
 151         TP_ARGS(ret),
 152
 153         TP_FIELDS(
 154                 ctf_integer(int, ret, ret)
 155         )
 156 )
 157
 158 /*
 159  * Tracepoint for waking up a task:
 160  */
 161 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
 162         LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0))
 163 LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
 164
 165         TP_PROTO(struct task_struct *p),
 166
 167         TP_ARGS(p),
 168
 169         TP_FIELDS(
 170                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 171                 ctf_integer(pid_t, tid, p->pid)
 172                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 173                 ctf_integer(int, target_cpu, task_cpu(p))
 174         )
 175 )
 176 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
 177 LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
 178
 179 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
 180         TP_PROTO(struct task_struct *p, int success),
 181
 182         TP_ARGS(p, success),
 183 #else
 184         TP_PROTO(struct rq *rq, struct task_struct *p, int success),
 185
 186         TP_ARGS(rq, p, success),
 187 #endif
 188
 189         TP_FIELDS(
 190                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 191                 ctf_integer(pid_t, tid, p->pid)
 192                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 193                 ctf_integer(int, success, success)
 194 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 195                 ctf_integer(int, target_cpu, task_cpu(p))
 196 #endif
 197         )
 198 )
 199 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
 200
 201 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
 202         LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0))
 203
 204 /*
 205  * Tracepoint called when waking a task; this tracepoint is guaranteed to be
 206  * called from the waking context.
 207  */
 208 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_waking,
 209              TP_PROTO(struct task_struct *p),
 210              TP_ARGS(p))
 211
 212 /*
 213  * Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.
 214  * It it not always called from the waking context.
 215  */
 216 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
 217              TP_PROTO(struct task_struct *p),
 218              TP_ARGS(p))
 219
 220 /*
 221  * Tracepoint for waking up a new task:
 222  */
 223 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
 224              TP_PROTO(struct task_struct *p),
 225              TP_ARGS(p))
 226
 227 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
 228
 229 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
 230              TP_PROTO(struct task_struct *p, int success),
 231              TP_ARGS(p, success))
 232
 233 /*
 234  * Tracepoint for waking up a new task:
 235  */
 236 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
 237              TP_PROTO(struct task_struct *p, int success),
 238              TP_ARGS(p, success))
 239
 240 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
 241
 242 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
 243              TP_PROTO(struct rq *rq, struct task_struct *p, int success),
 244              TP_ARGS(rq, p, success))
 245
 246 /*
 247  * Tracepoint for waking up a new task:
 248  */
 249 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
 250              TP_PROTO(struct rq *rq, struct task_struct *p, int success),
 251              TP_ARGS(rq, p, success))
 252
 253 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
 254
 255 /*
 256  * Tracepoint for task switches, performed by the scheduler:
 257  */
 258 LTTNG_TRACEPOINT_EVENT(sched_switch,
 259
 260 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
 261         TP_PROTO(bool preempt,
 262                  struct task_struct *prev,
 263                  struct task_struct *next),
 264
 265         TP_ARGS(preempt, prev, next),
 266 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
 267         TP_PROTO(struct task_struct *prev,
 268                  struct task_struct *next),
 269
 270         TP_ARGS(prev, next),
 271 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
 272         TP_PROTO(struct rq *rq, struct task_struct *prev,
 273                  struct task_struct *next),
 274
 275         TP_ARGS(rq, prev, next),
 276 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
 277
 278         TP_FIELDS(
 279                 ctf_array_text(char, prev_comm, prev->comm, TASK_COMM_LEN)
 280                 ctf_integer(pid_t, prev_tid, prev->pid)
 281                 ctf_integer(int, prev_prio, prev->prio - MAX_RT_PRIO)
 282 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
 283                 ctf_integer(long, prev_state, __trace_sched_switch_state(preempt, prev))
 284 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
 285                 ctf_integer(long, prev_state, __trace_sched_switch_state(prev))
 286 #else
 287                 ctf_integer(long, prev_state, prev->state)
 288 #endif
 289                 ctf_array_text(char, next_comm, next->comm, TASK_COMM_LEN)
 290                 ctf_integer(pid_t, next_tid, next->pid)
 291                 ctf_integer(int, next_prio, next->prio - MAX_RT_PRIO)
 292         )
 293 )
 294
 295 /*
 296  * Tracepoint for a task being migrated:
 297  */
 298 LTTNG_TRACEPOINT_EVENT(sched_migrate_task,
 299
 300         TP_PROTO(struct task_struct *p, int dest_cpu),
 301
 302         TP_ARGS(p, dest_cpu),
 303
 304         TP_FIELDS(
 305                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 306                 ctf_integer(pid_t, tid, p->pid)
 307                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 308                 ctf_integer(int, orig_cpu, task_cpu(p))
 309                 ctf_integer(int, dest_cpu, dest_cpu)
 310         )
 311 )
 312
 313 LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,
 314
 315         TP_PROTO(struct task_struct *p),
 316
 317         TP_ARGS(p),
 318
 319         TP_FIELDS(
 320                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 321                 ctf_integer(pid_t, tid, p->pid)
 322                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 323         )
 324 )
 325
 326 /*
 327  * Tracepoint for freeing a task:
 328  */
 329 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
 330              TP_PROTO(struct task_struct *p),
 331              TP_ARGS(p))
 332
 333
 334 /*
 335  * Tracepoint for a task exiting:
 336  */
 337 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit,
 338              TP_PROTO(struct task_struct *p),
 339              TP_ARGS(p))
 340
 341 /*
 342  * Tracepoint for waiting on task to unschedule:
 343  */
 344 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
 345 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
 346         TP_PROTO(struct task_struct *p),
 347         TP_ARGS(p))
 348 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
 349 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
 350         TP_PROTO(struct rq *rq, struct task_struct *p),
 351         TP_ARGS(rq, p))
 352 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
 353
 354 /*
 355  * Tracepoint for a waiting task:
 356  */
 357 LTTNG_TRACEPOINT_EVENT(sched_process_wait,
 358
 359         TP_PROTO(struct pid *pid),
 360
 361         TP_ARGS(pid),
 362
 363         TP_FIELDS(
 364                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 365                 ctf_integer(pid_t, tid, pid_nr(pid))
 366                 ctf_integer(int, prio, current->prio - MAX_RT_PRIO)
 367         )
 368 )
 369
 370 /*
 371  * Tracepoint for do_fork.
 372  * Saving both TID and PID information, especially for the child, allows
 373  * trace analyzers to distinguish between creation of a new process and
 374  * creation of a new thread. Newly created processes will have child_tid
 375  * == child_pid, while creation of a thread yields to child_tid !=
 376  * child_pid.
 377  */
 378 LTTNG_TRACEPOINT_EVENT_CODE(sched_process_fork,
 379
 380         TP_PROTO(struct task_struct *parent, struct task_struct *child),
 381
 382         TP_ARGS(parent, child),
 383
 384         TP_locvar(
 385                 pid_t vtids[LTTNG_MAX_PID_NS_LEVEL];
 386                 unsigned int ns_level;
 387         ),
 388
 389         TP_code_pre(
 390                 if (child) {
 391                         struct pid *child_pid;
 392                         unsigned int i;
 393
 394                         child_pid = task_pid(child);
 395                         tp_locvar->ns_level =
 396                                 min_t(unsigned int, child_pid->level + 1,
 397                                         LTTNG_MAX_PID_NS_LEVEL);
 398                         for (i = 0; i < tp_locvar->ns_level; i++)
 399                                 tp_locvar->vtids[i] = child_pid->numbers[i].nr;
 400                 }
 401         ),
 402
 403         TP_FIELDS(
 404                 ctf_array_text(char, parent_comm, parent->comm, TASK_COMM_LEN)
 405                 ctf_integer(pid_t, parent_tid, parent->pid)
 406                 ctf_integer(pid_t, parent_pid, parent->tgid)
 407 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
 408                 ctf_integer(unsigned int, parent_ns_inum,
 409                         ({
 410                                 unsigned int parent_ns_inum = 0;
 411
 412                                 if (parent) {
 413                                         struct pid_namespace *pid_ns;
 414
 415                                         pid_ns = task_active_pid_ns(parent);
 416                                         if (pid_ns)
 417                                                 parent_ns_inum =
 418                                                         pid_ns->lttng_proc_inum;
 419                                 }
 420                                 parent_ns_inum;
 421                         }))
 422 #endif
 423                 ctf_array_text(char, child_comm, child->comm, TASK_COMM_LEN)
 424                 ctf_integer(pid_t, child_tid, child->pid)
 425                 ctf_sequence(pid_t, vtids, tp_locvar->vtids, u8, tp_locvar->ns_level)
 426                 ctf_integer(pid_t, child_pid, child->tgid)
 427 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
 428                 ctf_integer(unsigned int, child_ns_inum,
 429                         ({
 430                                 unsigned int child_ns_inum = 0;
 431
 432                                 if (child) {
 433                                         struct pid_namespace *pid_ns;
 434
 435                                         pid_ns = task_active_pid_ns(child);
 436                                         if (pid_ns)
 437                                                 child_ns_inum =
 438                                                         pid_ns->lttng_proc_inum;
 439                                 }
 440                                 child_ns_inum;
 441                         }))
 442 #endif
 443                 ctf_integer(int, prio, child->prio - MAX_RT_PRIO)
 444                 ctf_enum(lttng_sched_policy, unsigned int, policy, child->policy)
 445                 ctf_integer(int, nice, task_nice(child))
 446                 ctf_integer(unsigned int, rt_priority, child->rt_priority)
 447                 ctf_integer(u64, dl_runtime, child->dl.dl_runtime)
 448                 ctf_integer(u64, dl_deadline, child->dl.dl_deadline)
 449                 ctf_integer(u64, dl_period, child->dl.dl_period)
 450         ),
 451
 452         TP_code_post()
 453 )
 454
 455 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
 456 /*
 457  * Tracepoint for sending a signal:
 458  */
 459 LTTNG_TRACEPOINT_EVENT(sched_signal_send,
 460
 461         TP_PROTO(int sig, struct task_struct *p),
 462
 463         TP_ARGS(sig, p),
 464
 465         TP_FIELDS(
 466                 ctf_integer(int, sig, sig)
 467                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 468                 ctf_integer(pid_t, tid, p->pid)
 469         )
 470 )
 471 #endif
 472
 473 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 474 /*
 475  * Tracepoint for exec:
 476  */
 477 LTTNG_TRACEPOINT_EVENT(sched_process_exec,
 478
 479         TP_PROTO(struct task_struct *p, pid_t old_pid,
 480                  struct linux_binprm *bprm),
 481
 482         TP_ARGS(p, old_pid, bprm),
 483
 484         TP_FIELDS(
 485                 ctf_string(filename, bprm->filename)
 486                 ctf_integer(pid_t, tid, p->pid)
 487                 ctf_integer(pid_t, old_tid, old_pid)
 488         )
 489 )
 490 #endif
 491
 492 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 493 /*
 494  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
 495  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
 496  */
 497 LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template,
 498
 499         TP_PROTO(struct task_struct *tsk, u64 delay),
 500
 501         TP_ARGS(tsk, delay),
 502
 503         TP_FIELDS(
 504                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 505                 ctf_integer(pid_t, tid, tsk->pid)
 506                 ctf_integer(u64, delay, delay)
 507         )
 508 )
 509
 510
 511 /*
 512  * Tracepoint for accounting wait time (time the task is runnable
 513  * but not actually running due to scheduler contention).
 514  */
 515 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait,
 516              TP_PROTO(struct task_struct *tsk, u64 delay),
 517              TP_ARGS(tsk, delay))
 518
 519 /*
 520  * Tracepoint for accounting sleep time (time the task is not runnable,
 521  * including iowait, see below).
 522  */
 523 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep,
 524              TP_PROTO(struct task_struct *tsk, u64 delay),
 525              TP_ARGS(tsk, delay))
 526
 527 /*
 528  * Tracepoint for accounting iowait time (time the task is not runnable
 529  * due to waiting on IO to complete).
 530  */
 531 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait,
 532              TP_PROTO(struct task_struct *tsk, u64 delay),
 533              TP_ARGS(tsk, delay))
 534
 535 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 536 /*
 537  * Tracepoint for accounting blocked time (time the task is in uninterruptible).
 538  */
 539 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked,
 540              TP_PROTO(struct task_struct *tsk, u64 delay),
 541              TP_ARGS(tsk, delay))
 542 #endif
 543
 544 /*
 545  * Tracepoint for accounting runtime (time the task is executing
 546  * on a CPU).
 547  */
 548 LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,
 549
 550         TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
 551
 552         TP_ARGS(tsk, runtime, vruntime),
 553
 554         TP_FIELDS(
 555                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 556                 ctf_integer(pid_t, tid, tsk->pid)
 557                 ctf_integer(u64, runtime, runtime)
 558                 ctf_integer(u64, vruntime, vruntime)
 559         )
 560 )
 561 #endif
 562
 563 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 564 /*
 565  * Tracepoint for showing priority inheritance modifying a tasks
 566  * priority.
 567  */
 568 LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
 569
 570         TP_PROTO(struct task_struct *tsk, int newprio),
 571
 572         TP_ARGS(tsk, newprio),
 573
 574         TP_FIELDS(
 575                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 576                 ctf_integer(pid_t, tid, tsk->pid)
 577                 ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
 578                 ctf_integer(int, newprio, newprio - MAX_RT_PRIO)
 579         )
 580 )
 581 #endif
 582
 583 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0))
 584 /*
 585  * Tracepoint for priority changes of a task.
 586  */
 587 LTTNG_TRACEPOINT_EVENT(sched_update_prio,
 588
 589         TP_PROTO(struct task_struct *tsk),
 590
 591         TP_ARGS(tsk),
 592
 593         TP_FIELDS(
 594                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 595                 ctf_integer(pid_t, tid, tsk->pid)
 596                 ctf_integer(int, prio, tsk->prio - MAX_RT_PRIO)
 597                 ctf_enum(lttng_sched_policy, unsigned int, policy, tsk->policy)
 598                 ctf_integer(int, nice, task_nice(tsk))
 599                 ctf_integer(unsigned int, rt_priority, tsk->rt_priority)
 600                 ctf_integer(u64, dl_runtime, tsk->dl.dl_runtime)
 601                 ctf_integer(u64, dl_deadline, tsk->dl.dl_deadline)
 602                 ctf_integer(u64, dl_period, tsk->dl.dl_period)
 603         )
 604 )
 605 #endif
 606
 607 #endif /* LTTNG_TRACE_SCHED_H */
 608
 609 /* This part must be outside protection */
 610 #include <probes/define_trace.h>