include/trace/events/sched.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM sched
   4
   5 #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_SCHED_H
   7
   8 #include <linux/kthread.h>
   9 #include <linux/sched/numa_balancing.h>
  10 #include <linux/tracepoint.h>
  11 #include <linux/binfmts.h>
  12
  13 /*
  14  * Tracepoint for calling kthread_stop, performed to end a kthread:
  15  */
  16 TRACE_EVENT(sched_kthread_stop,
  17
  18         TP_PROTO(struct task_struct *t),
  19
  20         TP_ARGS(t),
  21
  22         TP_STRUCT__entry(
  23                 __array(        char,   comm,   TASK_COMM_LEN   )
  24                 __field(        pid_t,  pid                     )
  25         ),
  26
  27         TP_fast_assign(
  28                 memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
  29                 __entry->pid    = t->pid;
  30         ),
  31
  32         TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
  33 );
  34
  35 /*
  36  * Tracepoint for the return value of the kthread stopping:
  37  */
  38 TRACE_EVENT(sched_kthread_stop_ret,
  39
  40         TP_PROTO(int ret),
  41
  42         TP_ARGS(ret),
  43
  44         TP_STRUCT__entry(
  45                 __field(        int,    ret     )
  46         ),
  47
  48         TP_fast_assign(
  49                 __entry->ret    = ret;
  50         ),
  51
  52         TP_printk("ret=%d", __entry->ret)
  53 );
  54
  55 /**
  56  * sched_kthread_work_queue_work - called when a work gets queued
  57  * @worker:     pointer to the kthread_worker
  58  * @work:       pointer to struct kthread_work
  59  *
  60  * This event occurs when a work is queued immediately or once a
  61  * delayed work is actually queued (ie: once the delay has been
  62  * reached).
  63  */
  64 TRACE_EVENT(sched_kthread_work_queue_work,
  65
  66         TP_PROTO(struct kthread_worker *worker,
  67                  struct kthread_work *work),
  68
  69         TP_ARGS(worker, work),
  70
  71         TP_STRUCT__entry(
  72                 __field( void *,        work    )
  73                 __field( void *,        function)
  74                 __field( void *,        worker)
  75         ),
  76
  77         TP_fast_assign(
  78                 __entry->work           = work;
  79                 __entry->function       = work->func;
  80                 __entry->worker         = worker;
  81         ),
  82
  83         TP_printk("work struct=%p function=%ps worker=%p",
  84                   __entry->work, __entry->function, __entry->worker)
  85 );
  86
  87 /**
  88  * sched_kthread_work_execute_start - called immediately before the work callback
  89  * @work:       pointer to struct kthread_work
  90  *
  91  * Allows to track kthread work execution.
  92  */
  93 TRACE_EVENT(sched_kthread_work_execute_start,
  94
  95         TP_PROTO(struct kthread_work *work),
  96
  97         TP_ARGS(work),
  98
  99         TP_STRUCT__entry(
 100                 __field( void *,        work    )
 101                 __field( void *,        function)
 102         ),
 103
 104         TP_fast_assign(
 105                 __entry->work           = work;
 106                 __entry->function       = work->func;
 107         ),
 108
 109         TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
 110 );
 111
 112 /**
 113  * sched_kthread_work_execute_end - called immediately after the work callback
 114  * @work:       pointer to struct work_struct
 115  * @function:   pointer to worker function
 116  *
 117  * Allows to track workqueue execution.
 118  */
 119 TRACE_EVENT(sched_kthread_work_execute_end,
 120
 121         TP_PROTO(struct kthread_work *work, kthread_work_func_t function),
 122
 123         TP_ARGS(work, function),
 124
 125         TP_STRUCT__entry(
 126                 __field( void *,        work    )
 127                 __field( void *,        function)
 128         ),
 129
 130         TP_fast_assign(
 131                 __entry->work           = work;
 132                 __entry->function       = function;
 133         ),
 134
 135         TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
 136 );
 137
 138 /*
 139  * Tracepoint for waking up a task:
 140  */
 141 DECLARE_EVENT_CLASS(sched_wakeup_template,
 142
 143         TP_PROTO(struct task_struct *p),
 144
 145         TP_ARGS(__perf_task(p)),
 146
 147         TP_STRUCT__entry(
 148                 __array(        char,   comm,   TASK_COMM_LEN   )
 149                 __field(        pid_t,  pid                     )
 150                 __field(        int,    prio                    )
 151                 __field(        int,    success                 )
 152                 __field(        int,    target_cpu              )
 153         ),
 154
 155         TP_fast_assign(
 156                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 157                 __entry->pid            = p->pid;
 158                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 159                 __entry->success        = 1; /* rudiment, kill when possible */
 160                 __entry->target_cpu     = task_cpu(p);
 161         ),
 162
 163         TP_printk("comm=%s pid=%d prio=%d target_cpu=%03d",
 164                   __entry->comm, __entry->pid, __entry->prio,
 165                   __entry->target_cpu)
 166 );
 167
 168 /*
 169  * Tracepoint called when waking a task; this tracepoint is guaranteed to be
 170  * called from the waking context.
 171  */
 172 DEFINE_EVENT(sched_wakeup_template, sched_waking,
 173              TP_PROTO(struct task_struct *p),
 174              TP_ARGS(p));
 175
 176 /*
 177  * Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.
 178  * It is not always called from the waking context.
 179  */
 180 DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
 181              TP_PROTO(struct task_struct *p),
 182              TP_ARGS(p));
 183
 184 /*
 185  * Tracepoint for waking up a new task:
 186  */
 187 DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
 188              TP_PROTO(struct task_struct *p),
 189              TP_ARGS(p));
 190
 191 #ifdef CREATE_TRACE_POINTS
 192 static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
 193 {
 194         unsigned int state;
 195
 196 #ifdef CONFIG_SCHED_DEBUG
 197         BUG_ON(p != current);
 198 #endif /* CONFIG_SCHED_DEBUG */
 199
 200         /*
 201          * Preemption ignores task state, therefore preempted tasks are always
 202          * RUNNING (we will not have dequeued if state != RUNNING).
 203          */
 204         if (preempt)
 205                 return TASK_REPORT_MAX;
 206
 207         /*
 208          * task_state_index() uses fls() and returns a value from 0-8 range.
 209          * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
 210          * it for left shift operation to get the correct task->state
 211          * mapping.
 212          */
 213         state = task_state_index(p);
 214
 215         return state ? (1 << (state - 1)) : state;
 216 }
 217 #endif /* CREATE_TRACE_POINTS */
 218
 219 /*
 220  * Tracepoint for task switches, performed by the scheduler:
 221  */
 222 TRACE_EVENT(sched_switch,
 223
 224         TP_PROTO(bool preempt,
 225                  struct task_struct *prev,
 226                  struct task_struct *next),
 227
 228         TP_ARGS(preempt, prev, next),
 229
 230         TP_STRUCT__entry(
 231                 __array(        char,   prev_comm,      TASK_COMM_LEN   )
 232                 __field(        pid_t,  prev_pid                        )
 233                 __field(        int,    prev_prio                       )
 234                 __field(        long,   prev_state                      )
 235                 __array(        char,   next_comm,      TASK_COMM_LEN   )
 236                 __field(        pid_t,  next_pid                        )
 237                 __field(        int,    next_prio                       )
 238         ),
 239
 240         TP_fast_assign(
 241                 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
 242                 __entry->prev_pid       = prev->pid;
 243                 __entry->prev_prio      = prev->prio;
 244                 __entry->prev_state     = __trace_sched_switch_state(preempt, prev);
 245                 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
 246                 __entry->next_pid       = next->pid;
 247                 __entry->next_prio      = next->prio;
 248                 /* XXX SCHED_DEADLINE */
 249         ),
 250
 251         TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
 252                 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
 253
 254                 (__entry->prev_state & (TASK_REPORT_MAX - 1)) ?
 255                   __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|",
 256                                 { TASK_INTERRUPTIBLE, "S" },
 257                                 { TASK_UNINTERRUPTIBLE, "D" },
 258                                 { __TASK_STOPPED, "T" },
 259                                 { __TASK_TRACED, "t" },
 260                                 { EXIT_DEAD, "X" },
 261                                 { EXIT_ZOMBIE, "Z" },
 262                                 { TASK_PARKED, "P" },
 263                                 { TASK_DEAD, "I" }) :
 264                   "R",
 265
 266                 __entry->prev_state & TASK_REPORT_MAX ? "+" : "",
 267                 __entry->next_comm, __entry->next_pid, __entry->next_prio)
 268 );
 269
 270 /*
 271  * Tracepoint for a task being migrated:
 272  */
 273 TRACE_EVENT(sched_migrate_task,
 274
 275         TP_PROTO(struct task_struct *p, int dest_cpu),
 276
 277         TP_ARGS(p, dest_cpu),
 278
 279         TP_STRUCT__entry(
 280                 __array(        char,   comm,   TASK_COMM_LEN   )
 281                 __field(        pid_t,  pid                     )
 282                 __field(        int,    prio                    )
 283                 __field(        int,    orig_cpu                )
 284                 __field(        int,    dest_cpu                )
 285         ),
 286
 287         TP_fast_assign(
 288                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 289                 __entry->pid            = p->pid;
 290                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 291                 __entry->orig_cpu       = task_cpu(p);
 292                 __entry->dest_cpu       = dest_cpu;
 293         ),
 294
 295         TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
 296                   __entry->comm, __entry->pid, __entry->prio,
 297                   __entry->orig_cpu, __entry->dest_cpu)
 298 );
 299
 300 DECLARE_EVENT_CLASS(sched_process_template,
 301
 302         TP_PROTO(struct task_struct *p),
 303
 304         TP_ARGS(p),
 305
 306         TP_STRUCT__entry(
 307                 __array(        char,   comm,   TASK_COMM_LEN   )
 308                 __field(        pid_t,  pid                     )
 309                 __field(        int,    prio                    )
 310         ),
 311
 312         TP_fast_assign(
 313                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 314                 __entry->pid            = p->pid;
 315                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 316         ),
 317
 318         TP_printk("comm=%s pid=%d prio=%d",
 319                   __entry->comm, __entry->pid, __entry->prio)
 320 );
 321
 322 /*
 323  * Tracepoint for freeing a task:
 324  */
 325 DEFINE_EVENT(sched_process_template, sched_process_free,
 326              TP_PROTO(struct task_struct *p),
 327              TP_ARGS(p));
 328
 329 /*
 330  * Tracepoint for a task exiting:
 331  */
 332 DEFINE_EVENT(sched_process_template, sched_process_exit,
 333              TP_PROTO(struct task_struct *p),
 334              TP_ARGS(p));
 335
 336 /*
 337  * Tracepoint for waiting on task to unschedule:
 338  */
 339 DEFINE_EVENT(sched_process_template, sched_wait_task,
 340         TP_PROTO(struct task_struct *p),
 341         TP_ARGS(p));
 342
 343 /*
 344  * Tracepoint for a waiting task:
 345  */
 346 TRACE_EVENT(sched_process_wait,
 347
 348         TP_PROTO(struct pid *pid),
 349
 350         TP_ARGS(pid),
 351
 352         TP_STRUCT__entry(
 353                 __array(        char,   comm,   TASK_COMM_LEN   )
 354                 __field(        pid_t,  pid                     )
 355                 __field(        int,    prio                    )
 356         ),
 357
 358         TP_fast_assign(
 359                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 360                 __entry->pid            = pid_nr(pid);
 361                 __entry->prio           = current->prio; /* XXX SCHED_DEADLINE */
 362         ),
 363
 364         TP_printk("comm=%s pid=%d prio=%d",
 365                   __entry->comm, __entry->pid, __entry->prio)
 366 );
 367
 368 /*
 369  * Tracepoint for kernel_clone:
 370  */
 371 TRACE_EVENT(sched_process_fork,
 372
 373         TP_PROTO(struct task_struct *parent, struct task_struct *child),
 374
 375         TP_ARGS(parent, child),
 376
 377         TP_STRUCT__entry(
 378                 __array(        char,   parent_comm,    TASK_COMM_LEN   )
 379                 __field(        pid_t,  parent_pid                      )
 380                 __array(        char,   child_comm,     TASK_COMM_LEN   )
 381                 __field(        pid_t,  child_pid                       )
 382         ),
 383
 384         TP_fast_assign(
 385                 memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
 386                 __entry->parent_pid     = parent->pid;
 387                 memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
 388                 __entry->child_pid      = child->pid;
 389         ),
 390
 391         TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
 392                 __entry->parent_comm, __entry->parent_pid,
 393                 __entry->child_comm, __entry->child_pid)
 394 );
 395
 396 /*
 397  * Tracepoint for exec:
 398  */
 399 TRACE_EVENT(sched_process_exec,
 400
 401         TP_PROTO(struct task_struct *p, pid_t old_pid,
 402                  struct linux_binprm *bprm),
 403
 404         TP_ARGS(p, old_pid, bprm),
 405
 406         TP_STRUCT__entry(
 407                 __string(       filename,       bprm->filename  )
 408                 __field(        pid_t,          pid             )
 409                 __field(        pid_t,          old_pid         )
 410         ),
 411
 412         TP_fast_assign(
 413                 __assign_str(filename, bprm->filename);
 414                 __entry->pid            = p->pid;
 415                 __entry->old_pid        = old_pid;
 416         ),
 417
 418         TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
 419                   __entry->pid, __entry->old_pid)
 420 );
 421
 422
 423 #ifdef CONFIG_SCHEDSTATS
 424 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT
 425 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS
 426 #else
 427 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT_NOP
 428 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS_NOP
 429 #endif
 430
 431 /*
 432  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
 433  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
 434  */
 435 DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
 436
 437         TP_PROTO(struct task_struct *tsk, u64 delay),
 438
 439         TP_ARGS(__perf_task(tsk), __perf_count(delay)),
 440
 441         TP_STRUCT__entry(
 442                 __array( char,  comm,   TASK_COMM_LEN   )
 443                 __field( pid_t, pid                     )
 444                 __field( u64,   delay                   )
 445         ),
 446
 447         TP_fast_assign(
 448                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 449                 __entry->pid    = tsk->pid;
 450                 __entry->delay  = delay;
 451         ),
 452
 453         TP_printk("comm=%s pid=%d delay=%Lu [ns]",
 454                         __entry->comm, __entry->pid,
 455                         (unsigned long long)__entry->delay)
 456 );
 457
 458 /*
 459  * Tracepoint for accounting wait time (time the task is runnable
 460  * but not actually running due to scheduler contention).
 461  */
 462 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_wait,
 463              TP_PROTO(struct task_struct *tsk, u64 delay),
 464              TP_ARGS(tsk, delay));
 465
 466 /*
 467  * Tracepoint for accounting sleep time (time the task is not runnable,
 468  * including iowait, see below).
 469  */
 470 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_sleep,
 471              TP_PROTO(struct task_struct *tsk, u64 delay),
 472              TP_ARGS(tsk, delay));
 473
 474 /*
 475  * Tracepoint for accounting iowait time (time the task is not runnable
 476  * due to waiting on IO to complete).
 477  */
 478 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_iowait,
 479              TP_PROTO(struct task_struct *tsk, u64 delay),
 480              TP_ARGS(tsk, delay));
 481
 482 /*
 483  * Tracepoint for accounting blocked time (time the task is in uninterruptible).
 484  */
 485 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
 486              TP_PROTO(struct task_struct *tsk, u64 delay),
 487              TP_ARGS(tsk, delay));
 488
 489 /*
 490  * Tracepoint for accounting runtime (time the task is executing
 491  * on a CPU).
 492  */
 493 DECLARE_EVENT_CLASS(sched_stat_runtime,
 494
 495         TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
 496
 497         TP_ARGS(tsk, __perf_count(runtime), vruntime),
 498
 499         TP_STRUCT__entry(
 500                 __array( char,  comm,   TASK_COMM_LEN   )
 501                 __field( pid_t, pid                     )
 502                 __field( u64,   runtime                 )
 503                 __field( u64,   vruntime                        )
 504         ),
 505
 506         TP_fast_assign(
 507                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 508                 __entry->pid            = tsk->pid;
 509                 __entry->runtime        = runtime;
 510                 __entry->vruntime       = vruntime;
 511         ),
 512
 513         TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
 514                         __entry->comm, __entry->pid,
 515                         (unsigned long long)__entry->runtime,
 516                         (unsigned long long)__entry->vruntime)
 517 );
 518
 519 DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
 520              TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
 521              TP_ARGS(tsk, runtime, vruntime));
 522
 523 /*
 524  * Tracepoint for showing priority inheritance modifying a tasks
 525  * priority.
 526  */
 527 TRACE_EVENT(sched_pi_setprio,
 528
 529         TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
 530
 531         TP_ARGS(tsk, pi_task),
 532
 533         TP_STRUCT__entry(
 534                 __array( char,  comm,   TASK_COMM_LEN   )
 535                 __field( pid_t, pid                     )
 536                 __field( int,   oldprio                 )
 537                 __field( int,   newprio                 )
 538         ),
 539
 540         TP_fast_assign(
 541                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 542                 __entry->pid            = tsk->pid;
 543                 __entry->oldprio        = tsk->prio;
 544                 __entry->newprio        = pi_task ?
 545                                 min(tsk->normal_prio, pi_task->prio) :
 546                                 tsk->normal_prio;
 547                 /* XXX SCHED_DEADLINE bits missing */
 548         ),
 549
 550         TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
 551                         __entry->comm, __entry->pid,
 552                         __entry->oldprio, __entry->newprio)
 553 );
 554
 555 #ifdef CONFIG_DETECT_HUNG_TASK
 556 TRACE_EVENT(sched_process_hang,
 557         TP_PROTO(struct task_struct *tsk),
 558         TP_ARGS(tsk),
 559
 560         TP_STRUCT__entry(
 561                 __array( char,  comm,   TASK_COMM_LEN   )
 562                 __field( pid_t, pid                     )
 563         ),
 564
 565         TP_fast_assign(
 566                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 567                 __entry->pid = tsk->pid;
 568         ),
 569
 570         TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
 571 );
 572 #endif /* CONFIG_DETECT_HUNG_TASK */
 573
 574 /*
 575  * Tracks migration of tasks from one runqueue to another. Can be used to
 576  * detect if automatic NUMA balancing is bouncing between nodes.
 577  */
 578 TRACE_EVENT(sched_move_numa,
 579
 580         TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
 581
 582         TP_ARGS(tsk, src_cpu, dst_cpu),
 583
 584         TP_STRUCT__entry(
 585                 __field( pid_t, pid                     )
 586                 __field( pid_t, tgid                    )
 587                 __field( pid_t, ngid                    )
 588                 __field( int,   src_cpu                 )
 589                 __field( int,   src_nid                 )
 590                 __field( int,   dst_cpu                 )
 591                 __field( int,   dst_nid                 )
 592         ),
 593
 594         TP_fast_assign(
 595                 __entry->pid            = task_pid_nr(tsk);
 596                 __entry->tgid           = task_tgid_nr(tsk);
 597                 __entry->ngid           = task_numa_group_id(tsk);
 598                 __entry->src_cpu        = src_cpu;
 599                 __entry->src_nid        = cpu_to_node(src_cpu);
 600                 __entry->dst_cpu        = dst_cpu;
 601                 __entry->dst_nid        = cpu_to_node(dst_cpu);
 602         ),
 603
 604         TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
 605                         __entry->pid, __entry->tgid, __entry->ngid,
 606                         __entry->src_cpu, __entry->src_nid,
 607                         __entry->dst_cpu, __entry->dst_nid)
 608 );
 609
 610 DECLARE_EVENT_CLASS(sched_numa_pair_template,
 611
 612         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 613                  struct task_struct *dst_tsk, int dst_cpu),
 614
 615         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
 616
 617         TP_STRUCT__entry(
 618                 __field( pid_t, src_pid                 )
 619                 __field( pid_t, src_tgid                )
 620                 __field( pid_t, src_ngid                )
 621                 __field( int,   src_cpu                 )
 622                 __field( int,   src_nid                 )
 623                 __field( pid_t, dst_pid                 )
 624                 __field( pid_t, dst_tgid                )
 625                 __field( pid_t, dst_ngid                )
 626                 __field( int,   dst_cpu                 )
 627                 __field( int,   dst_nid                 )
 628         ),
 629
 630         TP_fast_assign(
 631                 __entry->src_pid        = task_pid_nr(src_tsk);
 632                 __entry->src_tgid       = task_tgid_nr(src_tsk);
 633                 __entry->src_ngid       = task_numa_group_id(src_tsk);
 634                 __entry->src_cpu        = src_cpu;
 635                 __entry->src_nid        = cpu_to_node(src_cpu);
 636                 __entry->dst_pid        = dst_tsk ? task_pid_nr(dst_tsk) : 0;
 637                 __entry->dst_tgid       = dst_tsk ? task_tgid_nr(dst_tsk) : 0;
 638                 __entry->dst_ngid       = dst_tsk ? task_numa_group_id(dst_tsk) : 0;
 639                 __entry->dst_cpu        = dst_cpu;
 640                 __entry->dst_nid        = dst_cpu >= 0 ? cpu_to_node(dst_cpu) : -1;
 641         ),
 642
 643         TP_printk("src_pid=%d src_tgid=%d src_ngid=%d src_cpu=%d src_nid=%d dst_pid=%d dst_tgid=%d dst_ngid=%d dst_cpu=%d dst_nid=%d",
 644                         __entry->src_pid, __entry->src_tgid, __entry->src_ngid,
 645                         __entry->src_cpu, __entry->src_nid,
 646                         __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
 647                         __entry->dst_cpu, __entry->dst_nid)
 648 );
 649
 650 DEFINE_EVENT(sched_numa_pair_template, sched_stick_numa,
 651
 652         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 653                  struct task_struct *dst_tsk, int dst_cpu),
 654
 655         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
 656 );
 657
 658 DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa,
 659
 660         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 661                  struct task_struct *dst_tsk, int dst_cpu),
 662
 663         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
 664 );
 665
 666
 667 /*
 668  * Tracepoint for waking a polling cpu without an IPI.
 669  */
 670 TRACE_EVENT(sched_wake_idle_without_ipi,
 671
 672         TP_PROTO(int cpu),
 673
 674         TP_ARGS(cpu),
 675
 676         TP_STRUCT__entry(
 677                 __field(        int,    cpu     )
 678         ),
 679
 680         TP_fast_assign(
 681                 __entry->cpu    = cpu;
 682         ),
 683
 684         TP_printk("cpu=%d", __entry->cpu)
 685 );
 686
 687 /*
 688  * Following tracepoints are not exported in tracefs and provide hooking
 689  * mechanisms only for testing and debugging purposes.
 690  *
 691  * Postfixed with _tp to make them easily identifiable in the code.
 692  */
 693 DECLARE_TRACE(pelt_cfs_tp,
 694         TP_PROTO(struct cfs_rq *cfs_rq),
 695         TP_ARGS(cfs_rq));
 696
 697 DECLARE_TRACE(pelt_rt_tp,
 698         TP_PROTO(struct rq *rq),
 699         TP_ARGS(rq));
 700
 701 DECLARE_TRACE(pelt_dl_tp,
 702         TP_PROTO(struct rq *rq),
 703         TP_ARGS(rq));
 704
 705 DECLARE_TRACE(pelt_thermal_tp,
 706         TP_PROTO(struct rq *rq),
 707         TP_ARGS(rq));
 708
 709 DECLARE_TRACE(pelt_irq_tp,
 710         TP_PROTO(struct rq *rq),
 711         TP_ARGS(rq));
 712
 713 DECLARE_TRACE(pelt_se_tp,
 714         TP_PROTO(struct sched_entity *se),
 715         TP_ARGS(se));
 716
 717 DECLARE_TRACE(sched_cpu_capacity_tp,
 718         TP_PROTO(struct rq *rq),
 719         TP_ARGS(rq));
 720
 721 DECLARE_TRACE(sched_overutilized_tp,
 722         TP_PROTO(struct root_domain *rd, bool overutilized),
 723         TP_ARGS(rd, overutilized));
 724
 725 DECLARE_TRACE(sched_util_est_cfs_tp,
 726         TP_PROTO(struct cfs_rq *cfs_rq),
 727         TP_ARGS(cfs_rq));
 728
 729 DECLARE_TRACE(sched_util_est_se_tp,
 730         TP_PROTO(struct sched_entity *se),
 731         TP_ARGS(se));
 732
 733 DECLARE_TRACE(sched_update_nr_running_tp,
 734         TP_PROTO(struct rq *rq, int change),
 735         TP_ARGS(rq, change));
 736
 737 #endif /* _TRACE_SCHED_H */
 738
 739 /* This part must be outside protection */
 740 #include <trace/define_trace.h>