include/instrumentation/events/sched.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM sched
   4
   5 #if !defined(LTTNG_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_SCHED_H
   7
   8 #include <lttng/tracepoint-event.h>
   9 #include <linux/sched.h>
  10 #include <linux/pid_namespace.h>
  11 #include <linux/binfmts.h>
  12 #include <linux/version.h>
  13 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
  14 #include <linux/sched/rt.h>
  15 #endif
  16 #include <wrapper/namespace.h>
  17
  18 #define LTTNG_MAX_PID_NS_LEVEL 32
  19
  20 #ifndef _TRACE_SCHED_DEF_
  21 #define _TRACE_SCHED_DEF_
  22
  23 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
  24
  25 static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
  26 {
  27         unsigned int state;
  28
  29 #ifdef CONFIG_SCHED_DEBUG
  30         BUG_ON(p != current);
  31 #endif /* CONFIG_SCHED_DEBUG */
  32
  33         /*
  34          * Preemption ignores task state, therefore preempted tasks are always
  35          * RUNNING (we will not have dequeued if state != RUNNING).
  36          */
  37         if (preempt)
  38                 return TASK_REPORT_MAX;
  39
  40         /*
  41          * task_state_index() uses fls() and returns a value from 0-8 range.
  42          * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
  43          * it for left shift operation to get the correct task->state
  44          * mapping.
  45          */
  46         state = task_state_index(p);
  47
  48         return state ? (1 << (state - 1)) : state;
  49 }
  50
  51 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
  52
  53 static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
  54 {
  55         unsigned int state;
  56
  57 #ifdef CONFIG_SCHED_DEBUG
  58         BUG_ON(p != current);
  59 #endif /* CONFIG_SCHED_DEBUG */
  60
  61         /*
  62          * Preemption ignores task state, therefore preempted tasks are always
  63          * RUNNING (we will not have dequeued if state != RUNNING).
  64          */
  65         if (preempt)
  66                 return TASK_REPORT_MAX;
  67
  68         /*
  69          * __get_task_state() uses fls() and returns a value from 0-8 range.
  70          * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
  71          * it for left shift operation to get the correct task->state
  72          * mapping.
  73          */
  74         state = __get_task_state(p);
  75
  76         return state ? (1 << (state - 1)) : state;
  77 }
  78
  79 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
  80
  81 static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
  82 {
  83 #ifdef CONFIG_SCHED_DEBUG
  84         BUG_ON(p != current);
  85 #endif /* CONFIG_SCHED_DEBUG */
  86         /*
  87          * Preemption ignores task state, therefore preempted tasks are always RUNNING
  88          * (we will not have dequeued if state != RUNNING).
  89          */
  90         return preempt ? TASK_RUNNING | TASK_STATE_MAX : p->state;
  91 }
  92
  93 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
  94
  95 static inline long __trace_sched_switch_state(struct task_struct *p)
  96 {
  97         long state = p->state;
  98
  99 #ifdef CONFIG_PREEMPT
 100 #ifdef CONFIG_SCHED_DEBUG
 101         BUG_ON(p != current);
 102 #endif /* CONFIG_SCHED_DEBUG */
 103         /*
 104          * For all intents and purposes a preempted task is a running task.
 105          */
 106         if (preempt_count() & PREEMPT_ACTIVE)
 107                 state = TASK_RUNNING | TASK_STATE_MAX;
 108 #endif  /* CONFIG_PREEMPT */
 109
 110         return state;
 111 }
 112
 113 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
 114
 115 static inline long __trace_sched_switch_state(struct task_struct *p)
 116 {
 117         long state = p->state;
 118
 119 #ifdef CONFIG_PREEMPT
 120         /*
 121          * For all intents and purposes a preempted task is a running task.
 122          */
 123         if (task_preempt_count(p) & PREEMPT_ACTIVE)
 124                 state = TASK_RUNNING | TASK_STATE_MAX;
 125 #endif
 126
 127         return state;
 128 }
 129
 130 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
 131
 132 static inline long __trace_sched_switch_state(struct task_struct *p)
 133 {
 134         long state = p->state;
 135
 136 #ifdef CONFIG_PREEMPT
 137         /*
 138          * For all intents and purposes a preempted task is a running task.
 139          */
 140         if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
 141                 state = TASK_RUNNING | TASK_STATE_MAX;
 142 #endif
 143
 144         return state;
 145 }
 146
 147 #else
 148
 149 static inline long __trace_sched_switch_state(struct task_struct *p)
 150 {
 151         long state = p->state;
 152
 153 #ifdef CONFIG_PREEMPT
 154         /*
 155          * For all intents and purposes a preempted task is a running task.
 156          */
 157         if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
 158                 state = TASK_RUNNING;
 159 #endif
 160
 161         return state;
 162 }
 163
 164 #endif
 165
 166 #endif /* _TRACE_SCHED_DEF_ */
 167
 168 /*
 169  * Enumeration of the task state bitmask.
 170  * Only bit flags are enumerated here, not composition of states.
 171  */
 172 LTTNG_TRACEPOINT_ENUM(task_state,
 173         TP_ENUM_VALUES(
 174                 ctf_enum_value("TASK_RUNNING", TASK_RUNNING)
 175                 ctf_enum_value("TASK_INTERRUPTIBLE", TASK_INTERRUPTIBLE)
 176                 ctf_enum_value("TASK_UNINTERRUPTIBLE", TASK_UNINTERRUPTIBLE)
 177                 ctf_enum_value("TASK_STOPPED", __TASK_STOPPED)
 178                 ctf_enum_value("TASK_TRACED", __TASK_TRACED)
 179                 ctf_enum_value("EXIT_DEAD", EXIT_DEAD)
 180                 ctf_enum_value("EXIT_ZOMBIE", EXIT_ZOMBIE)
 181
 182 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
 183                 ctf_enum_value("TASK_PARKED", TASK_PARKED)
 184 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
 185
 186                 ctf_enum_value("TASK_DEAD", TASK_DEAD)
 187                 ctf_enum_value("TASK_WAKEKILL", TASK_WAKEKILL)
 188                 ctf_enum_value("TASK_WAKING", TASK_WAKING)
 189
 190 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
 191                 ctf_enum_value("TASK_NOLOAD", TASK_NOLOAD)
 192 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
 193
 194 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
 195                 ctf_enum_value("TASK_NEW", TASK_NEW)
 196 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0)) */
 197
 198                 ctf_enum_value("TASK_STATE_MAX", TASK_STATE_MAX)
 199         )
 200 )
 201
 202 /*
 203  * Tracepoint for calling kthread_stop, performed to end a kthread:
 204  */
 205 LTTNG_TRACEPOINT_EVENT(sched_kthread_stop,
 206
 207         TP_PROTO(struct task_struct *t),
 208
 209         TP_ARGS(t),
 210
 211         TP_FIELDS(
 212                 ctf_array_text(char, comm, t->comm, TASK_COMM_LEN)
 213                 ctf_integer(pid_t, tid, t->pid)
 214         )
 215 )
 216
 217 /*
 218  * Tracepoint for the return value of the kthread stopping:
 219  */
 220 LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,
 221
 222         TP_PROTO(int ret),
 223
 224         TP_ARGS(ret),
 225
 226         TP_FIELDS(
 227                 ctf_integer(int, ret, ret)
 228         )
 229 )
 230
 231 /*
 232  * Tracepoint for waking up a task:
 233  */
 234 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
 235         LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
 236         LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
 237         LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
 238         LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
 239         LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
 240         LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
 241         LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
 242 LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
 243
 244         TP_PROTO(struct task_struct *p),
 245
 246         TP_ARGS(p),
 247
 248         TP_FIELDS(
 249                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 250                 ctf_integer(pid_t, tid, p->pid)
 251                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 252                 ctf_integer(int, target_cpu, task_cpu(p))
 253         )
 254 )
 255 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
 256 LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
 257
 258         TP_PROTO(struct task_struct *p, int success),
 259
 260         TP_ARGS(p, success),
 261
 262         TP_FIELDS(
 263                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 264                 ctf_integer(pid_t, tid, p->pid)
 265                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 266                 ctf_integer(int, success, success)
 267                 ctf_integer(int, target_cpu, task_cpu(p))
 268         )
 269 )
 270 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
 271
 272 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
 273         LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
 274         LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
 275         LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
 276         LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
 277         LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
 278         LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
 279         LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
 280
 281 /*
 282  * Tracepoint called when waking a task; this tracepoint is guaranteed to be
 283  * called from the waking context.
 284  */
 285 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_waking,
 286              TP_PROTO(struct task_struct *p),
 287              TP_ARGS(p))
 288
 289 /*
 290  * Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.
 291  * It it not always called from the waking context.
 292  */
 293 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
 294              TP_PROTO(struct task_struct *p),
 295              TP_ARGS(p))
 296
 297 /*
 298  * Tracepoint for waking up a new task:
 299  */
 300 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
 301              TP_PROTO(struct task_struct *p),
 302              TP_ARGS(p))
 303
 304 #else
 305
 306 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
 307              TP_PROTO(struct task_struct *p, int success),
 308              TP_ARGS(p, success))
 309
 310 /*
 311  * Tracepoint for waking up a new task:
 312  */
 313 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
 314              TP_PROTO(struct task_struct *p, int success),
 315              TP_ARGS(p, success))
 316
 317 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
 318
 319 /*
 320  * Tracepoint for task switches, performed by the scheduler:
 321  */
 322 LTTNG_TRACEPOINT_EVENT(sched_switch,
 323
 324 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
 325         TP_PROTO(bool preempt,
 326                  struct task_struct *prev,
 327                  struct task_struct *next),
 328
 329         TP_ARGS(preempt, prev, next),
 330 #else
 331         TP_PROTO(struct task_struct *prev,
 332                  struct task_struct *next),
 333
 334         TP_ARGS(prev, next),
 335 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)) */
 336
 337         TP_FIELDS(
 338                 ctf_array_text(char, prev_comm, prev->comm, TASK_COMM_LEN)
 339                 ctf_integer(pid_t, prev_tid, prev->pid)
 340                 ctf_integer(int, prev_prio, prev->prio - MAX_RT_PRIO)
 341 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
 342                 ctf_enum(task_state, long, prev_state, __trace_sched_switch_state(preempt, prev))
 343 #else
 344                 ctf_enum(task_state, long, prev_state, __trace_sched_switch_state(prev))
 345 #endif
 346                 ctf_array_text(char, next_comm, next->comm, TASK_COMM_LEN)
 347                 ctf_integer(pid_t, next_tid, next->pid)
 348                 ctf_integer(int, next_prio, next->prio - MAX_RT_PRIO)
 349         )
 350 )
 351
 352 /*
 353  * Tracepoint for a task being migrated:
 354  */
 355 LTTNG_TRACEPOINT_EVENT(sched_migrate_task,
 356
 357         TP_PROTO(struct task_struct *p, int dest_cpu),
 358
 359         TP_ARGS(p, dest_cpu),
 360
 361         TP_FIELDS(
 362                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 363                 ctf_integer(pid_t, tid, p->pid)
 364                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 365                 ctf_integer(int, orig_cpu, task_cpu(p))
 366                 ctf_integer(int, dest_cpu, dest_cpu)
 367         )
 368 )
 369
 370 LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,
 371
 372         TP_PROTO(struct task_struct *p),
 373
 374         TP_ARGS(p),
 375
 376         TP_FIELDS(
 377                 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
 378                 ctf_integer(pid_t, tid, p->pid)
 379                 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
 380         )
 381 )
 382
 383 /*
 384  * Tracepoint for freeing a task:
 385  */
 386 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
 387              TP_PROTO(struct task_struct *p),
 388              TP_ARGS(p))
 389
 390
 391 /*
 392  * Tracepoint for a task exiting:
 393  */
 394 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit,
 395              TP_PROTO(struct task_struct *p),
 396              TP_ARGS(p))
 397
 398 /*
 399  * Tracepoint for waiting on task to unschedule:
 400  */
 401 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
 402         TP_PROTO(struct task_struct *p),
 403         TP_ARGS(p))
 404
 405 /*
 406  * Tracepoint for a waiting task:
 407  */
 408 LTTNG_TRACEPOINT_EVENT(sched_process_wait,
 409
 410         TP_PROTO(struct pid *pid),
 411
 412         TP_ARGS(pid),
 413
 414         TP_FIELDS(
 415                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 416                 ctf_integer(pid_t, tid, pid_nr(pid))
 417                 ctf_integer(int, prio, current->prio - MAX_RT_PRIO)
 418         )
 419 )
 420
 421 /*
 422  * Tracepoint for do_fork.
 423  * Saving both TID and PID information, especially for the child, allows
 424  * trace analyzers to distinguish between creation of a new process and
 425  * creation of a new thread. Newly created processes will have child_tid
 426  * == child_pid, while creation of a thread yields to child_tid !=
 427  * child_pid.
 428  */
 429 LTTNG_TRACEPOINT_EVENT_CODE(sched_process_fork,
 430
 431         TP_PROTO(struct task_struct *parent, struct task_struct *child),
 432
 433         TP_ARGS(parent, child),
 434
 435         TP_locvar(
 436                 pid_t vtids[LTTNG_MAX_PID_NS_LEVEL];
 437                 unsigned int ns_level;
 438         ),
 439
 440         TP_code_pre(
 441                 if (child) {
 442                         struct pid *child_pid;
 443                         unsigned int i;
 444
 445                         child_pid = task_pid(child);
 446                         tp_locvar->ns_level =
 447                                 min_t(unsigned int, child_pid->level + 1,
 448                                         LTTNG_MAX_PID_NS_LEVEL);
 449                         for (i = 0; i < tp_locvar->ns_level; i++)
 450                                 tp_locvar->vtids[i] = child_pid->numbers[i].nr;
 451                 }
 452         ),
 453
 454         TP_FIELDS(
 455                 ctf_array_text(char, parent_comm, parent->comm, TASK_COMM_LEN)
 456                 ctf_integer(pid_t, parent_tid, parent->pid)
 457                 ctf_integer(pid_t, parent_pid, parent->tgid)
 458 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
 459                 ctf_integer(unsigned int, parent_ns_inum,
 460                         ({
 461                                 unsigned int parent_ns_inum = 0;
 462
 463                                 if (parent) {
 464                                         struct pid_namespace *pid_ns;
 465
 466                                         pid_ns = task_active_pid_ns(parent);
 467                                         if (pid_ns)
 468                                                 parent_ns_inum =
 469                                                         pid_ns->lttng_ns_inum;
 470                                 }
 471                                 parent_ns_inum;
 472                         }))
 473 #endif
 474                 ctf_array_text(char, child_comm, child->comm, TASK_COMM_LEN)
 475                 ctf_integer(pid_t, child_tid, child->pid)
 476                 ctf_sequence(pid_t, vtids, tp_locvar->vtids, u8, tp_locvar->ns_level)
 477                 ctf_integer(pid_t, child_pid, child->tgid)
 478 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
 479                 ctf_integer(unsigned int, child_ns_inum,
 480                         ({
 481                                 unsigned int child_ns_inum = 0;
 482
 483                                 if (child) {
 484                                         struct pid_namespace *pid_ns;
 485
 486                                         pid_ns = task_active_pid_ns(child);
 487                                         if (pid_ns)
 488                                                 child_ns_inum =
 489                                                         pid_ns->lttng_ns_inum;
 490                                 }
 491                                 child_ns_inum;
 492                         }))
 493 #endif
 494         ),
 495
 496         TP_code_post()
 497 )
 498
 499 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 500 /*
 501  * Tracepoint for exec:
 502  */
 503 LTTNG_TRACEPOINT_EVENT(sched_process_exec,
 504
 505         TP_PROTO(struct task_struct *p, pid_t old_pid,
 506                  struct linux_binprm *bprm),
 507
 508         TP_ARGS(p, old_pid, bprm),
 509
 510         TP_FIELDS(
 511                 ctf_string(filename, bprm->filename)
 512                 ctf_integer(pid_t, tid, p->pid)
 513                 ctf_integer(pid_t, old_tid, old_pid)
 514         )
 515 )
 516 #endif
 517
 518 /*
 519  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
 520  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
 521  */
 522 LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template,
 523
 524         TP_PROTO(struct task_struct *tsk, u64 delay),
 525
 526         TP_ARGS(tsk, delay),
 527
 528         TP_FIELDS(
 529                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 530                 ctf_integer(pid_t, tid, tsk->pid)
 531                 ctf_integer(u64, delay, delay)
 532         )
 533 )
 534
 535
 536 /*
 537  * Tracepoint for accounting wait time (time the task is runnable
 538  * but not actually running due to scheduler contention).
 539  */
 540 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait,
 541              TP_PROTO(struct task_struct *tsk, u64 delay),
 542              TP_ARGS(tsk, delay))
 543
 544 /*
 545  * Tracepoint for accounting sleep time (time the task is not runnable,
 546  * including iowait, see below).
 547  */
 548 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep,
 549              TP_PROTO(struct task_struct *tsk, u64 delay),
 550              TP_ARGS(tsk, delay))
 551
 552 /*
 553  * Tracepoint for accounting iowait time (time the task is not runnable
 554  * due to waiting on IO to complete).
 555  */
 556 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait,
 557              TP_PROTO(struct task_struct *tsk, u64 delay),
 558              TP_ARGS(tsk, delay))
 559
 560 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 561 /*
 562  * Tracepoint for accounting blocked time (time the task is in uninterruptible).
 563  */
 564 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked,
 565              TP_PROTO(struct task_struct *tsk, u64 delay),
 566              TP_ARGS(tsk, delay))
 567 #endif
 568
 569 /*
 570  * Tracepoint for accounting runtime (time the task is executing
 571  * on a CPU).
 572  */
 573 LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,
 574
 575         TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
 576
 577         TP_ARGS(tsk, runtime, vruntime),
 578
 579         TP_FIELDS(
 580                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 581                 ctf_integer(pid_t, tid, tsk->pid)
 582                 ctf_integer(u64, runtime, runtime)
 583                 ctf_integer(u64, vruntime, vruntime)
 584         )
 585 )
 586
 587 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0) || \
 588         LTTNG_RT_KERNEL_RANGE(4,9,27,18, 4,10,0,0) || \
 589         LTTNG_RT_KERNEL_RANGE(4,11,5,1, 4,12,0,0))
 590 /*
 591  * Tracepoint for showing priority inheritance modifying a tasks
 592  * priority.
 593  */
 594 LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
 595
 596         TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
 597
 598         TP_ARGS(tsk, pi_task),
 599
 600         TP_FIELDS(
 601                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 602                 ctf_integer(pid_t, tid, tsk->pid)
 603                 ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
 604                 ctf_integer(int, newprio, pi_task ? pi_task->prio - MAX_RT_PRIO : tsk->prio - MAX_RT_PRIO)
 605         )
 606 )
 607 #else
 608 /*
 609  * Tracepoint for showing priority inheritance modifying a tasks
 610  * priority.
 611  */
 612 LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
 613
 614         TP_PROTO(struct task_struct *tsk, int newprio),
 615
 616         TP_ARGS(tsk, newprio),
 617
 618         TP_FIELDS(
 619                 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
 620                 ctf_integer(pid_t, tid, tsk->pid)
 621                 ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
 622                 ctf_integer(int, newprio, newprio - MAX_RT_PRIO)
 623         )
 624 )
 625 #endif
 626
 627 #endif /* LTTNG_TRACE_SCHED_H */
 628
 629 /* This part must be outside protection */
 630 #include <lttng/define_trace.h>