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,    target_cpu              )
 152         ),
 153
 154         TP_fast_assign(
 155                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 156                 __entry->pid            = p->pid;
 157                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 158                 __entry->target_cpu     = task_cpu(p);
 159         ),
 160
 161         TP_printk("comm=%s pid=%d prio=%d target_cpu=%03d",
 162                   __entry->comm, __entry->pid, __entry->prio,
 163                   __entry->target_cpu)
 164 );
 165
 166 /*
 167  * Tracepoint called when waking a task; this tracepoint is guaranteed to be
 168  * called from the waking context.
 169  */
 170 DEFINE_EVENT(sched_wakeup_template, sched_waking,
 171              TP_PROTO(struct task_struct *p),
 172              TP_ARGS(p));
 173
 174 /*
 175  * Tracepoint called when the task is actually woken; p->state == TASK_RUNNING.
 176  * It is not always called from the waking context.
 177  */
 178 DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
 179              TP_PROTO(struct task_struct *p),
 180              TP_ARGS(p));
 181
 182 /*
 183  * Tracepoint for waking up a new task:
 184  */
 185 DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
 186              TP_PROTO(struct task_struct *p),
 187              TP_ARGS(p));
 188
 189 #ifdef CREATE_TRACE_POINTS
 190 static inline long __trace_sched_switch_state(bool preempt,
 191                                               unsigned int prev_state,
 192                                               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(prev_state, p->exit_state);
 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                  unsigned int prev_state),
 228
 229         TP_ARGS(preempt, prev, next, prev_state),
 230
 231         TP_STRUCT__entry(
 232                 __array(        char,   prev_comm,      TASK_COMM_LEN   )
 233                 __field(        pid_t,  prev_pid                        )
 234                 __field(        int,    prev_prio                       )
 235                 __field(        long,   prev_state                      )
 236                 __array(        char,   next_comm,      TASK_COMM_LEN   )
 237                 __field(        pid_t,  next_pid                        )
 238                 __field(        int,    next_prio                       )
 239         ),
 240
 241         TP_fast_assign(
 242                 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
 243                 __entry->prev_pid       = prev->pid;
 244                 __entry->prev_prio      = prev->prio;
 245                 __entry->prev_state     = __trace_sched_switch_state(preempt, prev_state, prev);
 246                 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
 247                 __entry->next_pid       = next->pid;
 248                 __entry->next_prio      = next->prio;
 249                 /* XXX SCHED_DEADLINE */
 250         ),
 251
 252         TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
 253                 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
 254
 255                 (__entry->prev_state & (TASK_REPORT_MAX - 1)) ?
 256                   __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|",
 257                                 { TASK_INTERRUPTIBLE, "S" },
 258                                 { TASK_UNINTERRUPTIBLE, "D" },
 259                                 { __TASK_STOPPED, "T" },
 260                                 { __TASK_TRACED, "t" },
 261                                 { EXIT_DEAD, "X" },
 262                                 { EXIT_ZOMBIE, "Z" },
 263                                 { TASK_PARKED, "P" },
 264                                 { TASK_DEAD, "I" }) :
 265                   "R",
 266
 267                 __entry->prev_state & TASK_REPORT_MAX ? "+" : "",
 268                 __entry->next_comm, __entry->next_pid, __entry->next_prio)
 269 );
 270
 271 /*
 272  * Tracepoint for a task being migrated:
 273  */
 274 TRACE_EVENT(sched_migrate_task,
 275
 276         TP_PROTO(struct task_struct *p, int dest_cpu),
 277
 278         TP_ARGS(p, dest_cpu),
 279
 280         TP_STRUCT__entry(
 281                 __array(        char,   comm,   TASK_COMM_LEN   )
 282                 __field(        pid_t,  pid                     )
 283                 __field(        int,    prio                    )
 284                 __field(        int,    orig_cpu                )
 285                 __field(        int,    dest_cpu                )
 286         ),
 287
 288         TP_fast_assign(
 289                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 290                 __entry->pid            = p->pid;
 291                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 292                 __entry->orig_cpu       = task_cpu(p);
 293                 __entry->dest_cpu       = dest_cpu;
 294         ),
 295
 296         TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
 297                   __entry->comm, __entry->pid, __entry->prio,
 298                   __entry->orig_cpu, __entry->dest_cpu)
 299 );
 300
 301 DECLARE_EVENT_CLASS(sched_process_template,
 302
 303         TP_PROTO(struct task_struct *p),
 304
 305         TP_ARGS(p),
 306
 307         TP_STRUCT__entry(
 308                 __array(        char,   comm,   TASK_COMM_LEN   )
 309                 __field(        pid_t,  pid                     )
 310                 __field(        int,    prio                    )
 311         ),
 312
 313         TP_fast_assign(
 314                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 315                 __entry->pid            = p->pid;
 316                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 317         ),
 318
 319         TP_printk("comm=%s pid=%d prio=%d",
 320                   __entry->comm, __entry->pid, __entry->prio)
 321 );
 322
 323 /*
 324  * Tracepoint for freeing a task:
 325  */
 326 DEFINE_EVENT(sched_process_template, sched_process_free,
 327              TP_PROTO(struct task_struct *p),
 328              TP_ARGS(p));
 329
 330 /*
 331  * Tracepoint for a task exiting:
 332  */
 333 DEFINE_EVENT(sched_process_template, sched_process_exit,
 334              TP_PROTO(struct task_struct *p),
 335              TP_ARGS(p));
 336
 337 /*
 338  * Tracepoint for waiting on task to unschedule:
 339  */
 340 DEFINE_EVENT(sched_process_template, sched_wait_task,
 341         TP_PROTO(struct task_struct *p),
 342         TP_ARGS(p));
 343
 344 /*
 345  * Tracepoint for a waiting task:
 346  */
 347 TRACE_EVENT(sched_process_wait,
 348
 349         TP_PROTO(struct pid *pid),
 350
 351         TP_ARGS(pid),
 352
 353         TP_STRUCT__entry(
 354                 __array(        char,   comm,   TASK_COMM_LEN   )
 355                 __field(        pid_t,  pid                     )
 356                 __field(        int,    prio                    )
 357         ),
 358
 359         TP_fast_assign(
 360                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 361                 __entry->pid            = pid_nr(pid);
 362                 __entry->prio           = current->prio; /* XXX SCHED_DEADLINE */
 363         ),
 364
 365         TP_printk("comm=%s pid=%d prio=%d",
 366                   __entry->comm, __entry->pid, __entry->prio)
 367 );
 368
 369 /*
 370  * Tracepoint for kernel_clone:
 371  */
 372 TRACE_EVENT(sched_process_fork,
 373
 374         TP_PROTO(struct task_struct *parent, struct task_struct *child),
 375
 376         TP_ARGS(parent, child),
 377
 378         TP_STRUCT__entry(
 379                 __array(        char,   parent_comm,    TASK_COMM_LEN   )
 380                 __field(        pid_t,  parent_pid                      )
 381                 __array(        char,   child_comm,     TASK_COMM_LEN   )
 382                 __field(        pid_t,  child_pid                       )
 383         ),
 384
 385         TP_fast_assign(
 386                 memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
 387                 __entry->parent_pid     = parent->pid;
 388                 memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
 389                 __entry->child_pid      = child->pid;
 390         ),
 391
 392         TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
 393                 __entry->parent_comm, __entry->parent_pid,
 394                 __entry->child_comm, __entry->child_pid)
 395 );
 396
 397 /*
 398  * Tracepoint for exec:
 399  */
 400 TRACE_EVENT(sched_process_exec,
 401
 402         TP_PROTO(struct task_struct *p, pid_t old_pid,
 403                  struct linux_binprm *bprm),
 404
 405         TP_ARGS(p, old_pid, bprm),
 406
 407         TP_STRUCT__entry(
 408                 __string(       filename,       bprm->filename  )
 409                 __field(        pid_t,          pid             )
 410                 __field(        pid_t,          old_pid         )
 411         ),
 412
 413         TP_fast_assign(
 414                 __assign_str(filename);
 415                 __entry->pid            = p->pid;
 416                 __entry->old_pid        = old_pid;
 417         ),
 418
 419         TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
 420                   __entry->pid, __entry->old_pid)
 421 );
 422
 423 /**
 424  * sched_prepare_exec - called before setting up new exec
 425  * @task:       pointer to the current task
 426  * @bprm:       pointer to linux_binprm used for new exec
 427  *
 428  * Called before flushing the old exec, where @task is still unchanged, but at
 429  * the point of no return during switching to the new exec. At the point it is
 430  * called the exec will either succeed, or on failure terminate the task. Also
 431  * see the "sched_process_exec" tracepoint, which is called right after @task
 432  * has successfully switched to the new exec.
 433  */
 434 TRACE_EVENT(sched_prepare_exec,
 435
 436         TP_PROTO(struct task_struct *task, struct linux_binprm *bprm),
 437
 438         TP_ARGS(task, bprm),
 439
 440         TP_STRUCT__entry(
 441                 __string(       interp,         bprm->interp    )
 442                 __string(       filename,       bprm->filename  )
 443                 __field(        pid_t,          pid             )
 444                 __string(       comm,           task->comm      )
 445         ),
 446
 447         TP_fast_assign(
 448                 __assign_str(interp);
 449                 __assign_str(filename);
 450                 __entry->pid = task->pid;
 451                 __assign_str(comm);
 452         ),
 453
 454         TP_printk("interp=%s filename=%s pid=%d comm=%s",
 455                   __get_str(interp), __get_str(filename),
 456                   __entry->pid, __get_str(comm))
 457 );
 458
 459 #ifdef CONFIG_SCHEDSTATS
 460 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT
 461 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS
 462 #else
 463 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT_NOP
 464 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS_NOP
 465 #endif
 466
 467 /*
 468  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
 469  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
 470  */
 471 DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
 472
 473         TP_PROTO(struct task_struct *tsk, u64 delay),
 474
 475         TP_ARGS(__perf_task(tsk), __perf_count(delay)),
 476
 477         TP_STRUCT__entry(
 478                 __array( char,  comm,   TASK_COMM_LEN   )
 479                 __field( pid_t, pid                     )
 480                 __field( u64,   delay                   )
 481         ),
 482
 483         TP_fast_assign(
 484                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 485                 __entry->pid    = tsk->pid;
 486                 __entry->delay  = delay;
 487         ),
 488
 489         TP_printk("comm=%s pid=%d delay=%Lu [ns]",
 490                         __entry->comm, __entry->pid,
 491                         (unsigned long long)__entry->delay)
 492 );
 493
 494 /*
 495  * Tracepoint for accounting wait time (time the task is runnable
 496  * but not actually running due to scheduler contention).
 497  */
 498 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_wait,
 499              TP_PROTO(struct task_struct *tsk, u64 delay),
 500              TP_ARGS(tsk, delay));
 501
 502 /*
 503  * Tracepoint for accounting sleep time (time the task is not runnable,
 504  * including iowait, see below).
 505  */
 506 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_sleep,
 507              TP_PROTO(struct task_struct *tsk, u64 delay),
 508              TP_ARGS(tsk, delay));
 509
 510 /*
 511  * Tracepoint for accounting iowait time (time the task is not runnable
 512  * due to waiting on IO to complete).
 513  */
 514 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_iowait,
 515              TP_PROTO(struct task_struct *tsk, u64 delay),
 516              TP_ARGS(tsk, delay));
 517
 518 /*
 519  * Tracepoint for accounting blocked time (time the task is in uninterruptible).
 520  */
 521 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
 522              TP_PROTO(struct task_struct *tsk, u64 delay),
 523              TP_ARGS(tsk, delay));
 524
 525 /*
 526  * Tracepoint for accounting runtime (time the task is executing
 527  * on a CPU).
 528  */
 529 DECLARE_EVENT_CLASS(sched_stat_runtime,
 530
 531         TP_PROTO(struct task_struct *tsk, u64 runtime),
 532
 533         TP_ARGS(tsk, __perf_count(runtime)),
 534
 535         TP_STRUCT__entry(
 536                 __array( char,  comm,   TASK_COMM_LEN   )
 537                 __field( pid_t, pid                     )
 538                 __field( u64,   runtime                 )
 539         ),
 540
 541         TP_fast_assign(
 542                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 543                 __entry->pid            = tsk->pid;
 544                 __entry->runtime        = runtime;
 545         ),
 546
 547         TP_printk("comm=%s pid=%d runtime=%Lu [ns]",
 548                         __entry->comm, __entry->pid,
 549                         (unsigned long long)__entry->runtime)
 550 );
 551
 552 DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
 553              TP_PROTO(struct task_struct *tsk, u64 runtime),
 554              TP_ARGS(tsk, runtime));
 555
 556 /*
 557  * Tracepoint for showing priority inheritance modifying a tasks
 558  * priority.
 559  */
 560 TRACE_EVENT(sched_pi_setprio,
 561
 562         TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
 563
 564         TP_ARGS(tsk, pi_task),
 565
 566         TP_STRUCT__entry(
 567                 __array( char,  comm,   TASK_COMM_LEN   )
 568                 __field( pid_t, pid                     )
 569                 __field( int,   oldprio                 )
 570                 __field( int,   newprio                 )
 571         ),
 572
 573         TP_fast_assign(
 574                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 575                 __entry->pid            = tsk->pid;
 576                 __entry->oldprio        = tsk->prio;
 577                 __entry->newprio        = pi_task ?
 578                                 min(tsk->normal_prio, pi_task->prio) :
 579                                 tsk->normal_prio;
 580                 /* XXX SCHED_DEADLINE bits missing */
 581         ),
 582
 583         TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
 584                         __entry->comm, __entry->pid,
 585                         __entry->oldprio, __entry->newprio)
 586 );
 587
 588 #ifdef CONFIG_DETECT_HUNG_TASK
 589 TRACE_EVENT(sched_process_hang,
 590         TP_PROTO(struct task_struct *tsk),
 591         TP_ARGS(tsk),
 592
 593         TP_STRUCT__entry(
 594                 __array( char,  comm,   TASK_COMM_LEN   )
 595                 __field( pid_t, pid                     )
 596         ),
 597
 598         TP_fast_assign(
 599                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 600                 __entry->pid = tsk->pid;
 601         ),
 602
 603         TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
 604 );
 605 #endif /* CONFIG_DETECT_HUNG_TASK */
 606
 607 /*
 608  * Tracks migration of tasks from one runqueue to another. Can be used to
 609  * detect if automatic NUMA balancing is bouncing between nodes.
 610  */
 611 TRACE_EVENT(sched_move_numa,
 612
 613         TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
 614
 615         TP_ARGS(tsk, src_cpu, dst_cpu),
 616
 617         TP_STRUCT__entry(
 618                 __field( pid_t, pid                     )
 619                 __field( pid_t, tgid                    )
 620                 __field( pid_t, ngid                    )
 621                 __field( int,   src_cpu                 )
 622                 __field( int,   src_nid                 )
 623                 __field( int,   dst_cpu                 )
 624                 __field( int,   dst_nid                 )
 625         ),
 626
 627         TP_fast_assign(
 628                 __entry->pid            = task_pid_nr(tsk);
 629                 __entry->tgid           = task_tgid_nr(tsk);
 630                 __entry->ngid           = task_numa_group_id(tsk);
 631                 __entry->src_cpu        = src_cpu;
 632                 __entry->src_nid        = cpu_to_node(src_cpu);
 633                 __entry->dst_cpu        = dst_cpu;
 634                 __entry->dst_nid        = cpu_to_node(dst_cpu);
 635         ),
 636
 637         TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
 638                         __entry->pid, __entry->tgid, __entry->ngid,
 639                         __entry->src_cpu, __entry->src_nid,
 640                         __entry->dst_cpu, __entry->dst_nid)
 641 );
 642
 643 DECLARE_EVENT_CLASS(sched_numa_pair_template,
 644
 645         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 646                  struct task_struct *dst_tsk, int dst_cpu),
 647
 648         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
 649
 650         TP_STRUCT__entry(
 651                 __field( pid_t, src_pid                 )
 652                 __field( pid_t, src_tgid                )
 653                 __field( pid_t, src_ngid                )
 654                 __field( int,   src_cpu                 )
 655                 __field( int,   src_nid                 )
 656                 __field( pid_t, dst_pid                 )
 657                 __field( pid_t, dst_tgid                )
 658                 __field( pid_t, dst_ngid                )
 659                 __field( int,   dst_cpu                 )
 660                 __field( int,   dst_nid                 )
 661         ),
 662
 663         TP_fast_assign(
 664                 __entry->src_pid        = task_pid_nr(src_tsk);
 665                 __entry->src_tgid       = task_tgid_nr(src_tsk);
 666                 __entry->src_ngid       = task_numa_group_id(src_tsk);
 667                 __entry->src_cpu        = src_cpu;
 668                 __entry->src_nid        = cpu_to_node(src_cpu);
 669                 __entry->dst_pid        = dst_tsk ? task_pid_nr(dst_tsk) : 0;
 670                 __entry->dst_tgid       = dst_tsk ? task_tgid_nr(dst_tsk) : 0;
 671                 __entry->dst_ngid       = dst_tsk ? task_numa_group_id(dst_tsk) : 0;
 672                 __entry->dst_cpu        = dst_cpu;
 673                 __entry->dst_nid        = dst_cpu >= 0 ? cpu_to_node(dst_cpu) : -1;
 674         ),
 675
 676         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",
 677                         __entry->src_pid, __entry->src_tgid, __entry->src_ngid,
 678                         __entry->src_cpu, __entry->src_nid,
 679                         __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
 680                         __entry->dst_cpu, __entry->dst_nid)
 681 );
 682
 683 DEFINE_EVENT(sched_numa_pair_template, sched_stick_numa,
 684
 685         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 686                  struct task_struct *dst_tsk, int dst_cpu),
 687
 688         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
 689 );
 690
 691 DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa,
 692
 693         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 694                  struct task_struct *dst_tsk, int dst_cpu),
 695
 696         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
 697 );
 698
 699 #ifdef CONFIG_NUMA_BALANCING
 700 #define NUMAB_SKIP_REASON                                       \
 701         EM( NUMAB_SKIP_UNSUITABLE,              "unsuitable" )  \
 702         EM( NUMAB_SKIP_SHARED_RO,               "shared_ro" )   \
 703         EM( NUMAB_SKIP_INACCESSIBLE,            "inaccessible" )        \
 704         EM( NUMAB_SKIP_SCAN_DELAY,              "scan_delay" )  \
 705         EM( NUMAB_SKIP_PID_INACTIVE,            "pid_inactive" )        \
 706         EM( NUMAB_SKIP_IGNORE_PID,              "ignore_pid_inactive" )         \
 707         EMe(NUMAB_SKIP_SEQ_COMPLETED,           "seq_completed" )
 708
 709 /* Redefine for export. */
 710 #undef EM
 711 #undef EMe
 712 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
 713 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
 714
 715 NUMAB_SKIP_REASON
 716
 717 /* Redefine for symbolic printing. */
 718 #undef EM
 719 #undef EMe
 720 #define EM(a, b)        { a, b },
 721 #define EMe(a, b)       { a, b }
 722
 723 TRACE_EVENT(sched_skip_vma_numa,
 724
 725         TP_PROTO(struct mm_struct *mm, struct vm_area_struct *vma,
 726                  enum numa_vmaskip_reason reason),
 727
 728         TP_ARGS(mm, vma, reason),
 729
 730         TP_STRUCT__entry(
 731                 __field(unsigned long, numa_scan_offset)
 732                 __field(unsigned long, vm_start)
 733                 __field(unsigned long, vm_end)
 734                 __field(enum numa_vmaskip_reason, reason)
 735         ),
 736
 737         TP_fast_assign(
 738                 __entry->numa_scan_offset       = mm->numa_scan_offset;
 739                 __entry->vm_start               = vma->vm_start;
 740                 __entry->vm_end                 = vma->vm_end;
 741                 __entry->reason                 = reason;
 742         ),
 743
 744         TP_printk("numa_scan_offset=%lX vm_start=%lX vm_end=%lX reason=%s",
 745                   __entry->numa_scan_offset,
 746                   __entry->vm_start,
 747                   __entry->vm_end,
 748                   __print_symbolic(__entry->reason, NUMAB_SKIP_REASON))
 749 );
 750 #endif /* CONFIG_NUMA_BALANCING */
 751
 752 /*
 753  * Tracepoint for waking a polling cpu without an IPI.
 754  */
 755 TRACE_EVENT(sched_wake_idle_without_ipi,
 756
 757         TP_PROTO(int cpu),
 758
 759         TP_ARGS(cpu),
 760
 761         TP_STRUCT__entry(
 762                 __field(        int,    cpu     )
 763         ),
 764
 765         TP_fast_assign(
 766                 __entry->cpu    = cpu;
 767         ),
 768
 769         TP_printk("cpu=%d", __entry->cpu)
 770 );
 771
 772 /*
 773  * Following tracepoints are not exported in tracefs and provide hooking
 774  * mechanisms only for testing and debugging purposes.
 775  *
 776  * Postfixed with _tp to make them easily identifiable in the code.
 777  */
 778 DECLARE_TRACE(pelt_cfs_tp,
 779         TP_PROTO(struct cfs_rq *cfs_rq),
 780         TP_ARGS(cfs_rq));
 781
 782 DECLARE_TRACE(pelt_rt_tp,
 783         TP_PROTO(struct rq *rq),
 784         TP_ARGS(rq));
 785
 786 DECLARE_TRACE(pelt_dl_tp,
 787         TP_PROTO(struct rq *rq),
 788         TP_ARGS(rq));
 789
 790 DECLARE_TRACE(pelt_hw_tp,
 791         TP_PROTO(struct rq *rq),
 792         TP_ARGS(rq));
 793
 794 DECLARE_TRACE(pelt_irq_tp,
 795         TP_PROTO(struct rq *rq),
 796         TP_ARGS(rq));
 797
 798 DECLARE_TRACE(pelt_se_tp,
 799         TP_PROTO(struct sched_entity *se),
 800         TP_ARGS(se));
 801
 802 DECLARE_TRACE(sched_cpu_capacity_tp,
 803         TP_PROTO(struct rq *rq),
 804         TP_ARGS(rq));
 805
 806 DECLARE_TRACE(sched_overutilized_tp,
 807         TP_PROTO(struct root_domain *rd, bool overutilized),
 808         TP_ARGS(rd, overutilized));
 809
 810 DECLARE_TRACE(sched_util_est_cfs_tp,
 811         TP_PROTO(struct cfs_rq *cfs_rq),
 812         TP_ARGS(cfs_rq));
 813
 814 DECLARE_TRACE(sched_util_est_se_tp,
 815         TP_PROTO(struct sched_entity *se),
 816         TP_ARGS(se));
 817
 818 DECLARE_TRACE(sched_update_nr_running_tp,
 819         TP_PROTO(struct rq *rq, int change),
 820         TP_ARGS(rq, change));
 821
 822 DECLARE_TRACE(sched_compute_energy_tp,
 823         TP_PROTO(struct task_struct *p, int dst_cpu, unsigned long energy,
 824                  unsigned long max_util, unsigned long busy_time),
 825         TP_ARGS(p, dst_cpu, energy, max_util, busy_time));
 826
 827 #endif /* _TRACE_SCHED_H */
 828
 829 /* This part must be outside protection */
 830 #include <trace/define_trace.h>