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, struct task_struct *p)
 191 {
 192         unsigned int state;
 193
 194 #ifdef CONFIG_SCHED_DEBUG
 195         BUG_ON(p != current);
 196 #endif /* CONFIG_SCHED_DEBUG */
 197
 198         /*
 199          * Preemption ignores task state, therefore preempted tasks are always
 200          * RUNNING (we will not have dequeued if state != RUNNING).
 201          */
 202         if (preempt)
 203                 return TASK_REPORT_MAX;
 204
 205         /*
 206          * task_state_index() uses fls() and returns a value from 0-8 range.
 207          * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
 208          * it for left shift operation to get the correct task->state
 209          * mapping.
 210          */
 211         state = task_state_index(p);
 212
 213         return state ? (1 << (state - 1)) : state;
 214 }
 215 #endif /* CREATE_TRACE_POINTS */
 216
 217 /*
 218  * Tracepoint for task switches, performed by the scheduler:
 219  */
 220 TRACE_EVENT(sched_switch,
 221
 222         TP_PROTO(bool preempt,
 223                  struct task_struct *prev,
 224                  struct task_struct *next),
 225
 226         TP_ARGS(preempt, prev, next),
 227
 228         TP_STRUCT__entry(
 229                 __array(        char,   prev_comm,      TASK_COMM_LEN   )
 230                 __field(        pid_t,  prev_pid                        )
 231                 __field(        int,    prev_prio                       )
 232                 __field(        long,   prev_state                      )
 233                 __array(        char,   next_comm,      TASK_COMM_LEN   )
 234                 __field(        pid_t,  next_pid                        )
 235                 __field(        int,    next_prio                       )
 236         ),
 237
 238         TP_fast_assign(
 239                 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
 240                 __entry->prev_pid       = prev->pid;
 241                 __entry->prev_prio      = prev->prio;
 242                 __entry->prev_state     = __trace_sched_switch_state(preempt, prev);
 243                 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
 244                 __entry->next_pid       = next->pid;
 245                 __entry->next_prio      = next->prio;
 246                 /* XXX SCHED_DEADLINE */
 247         ),
 248
 249         TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
 250                 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
 251
 252                 (__entry->prev_state & (TASK_REPORT_MAX - 1)) ?
 253                   __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|",
 254                                 { TASK_INTERRUPTIBLE, "S" },
 255                                 { TASK_UNINTERRUPTIBLE, "D" },
 256                                 { __TASK_STOPPED, "T" },
 257                                 { __TASK_TRACED, "t" },
 258                                 { EXIT_DEAD, "X" },
 259                                 { EXIT_ZOMBIE, "Z" },
 260                                 { TASK_PARKED, "P" },
 261                                 { TASK_DEAD, "I" }) :
 262                   "R",
 263
 264                 __entry->prev_state & TASK_REPORT_MAX ? "+" : "",
 265                 __entry->next_comm, __entry->next_pid, __entry->next_prio)
 266 );
 267
 268 /*
 269  * Tracepoint for a task being migrated:
 270  */
 271 TRACE_EVENT(sched_migrate_task,
 272
 273         TP_PROTO(struct task_struct *p, int dest_cpu),
 274
 275         TP_ARGS(p, dest_cpu),
 276
 277         TP_STRUCT__entry(
 278                 __array(        char,   comm,   TASK_COMM_LEN   )
 279                 __field(        pid_t,  pid                     )
 280                 __field(        int,    prio                    )
 281                 __field(        int,    orig_cpu                )
 282                 __field(        int,    dest_cpu                )
 283         ),
 284
 285         TP_fast_assign(
 286                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 287                 __entry->pid            = p->pid;
 288                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 289                 __entry->orig_cpu       = task_cpu(p);
 290                 __entry->dest_cpu       = dest_cpu;
 291         ),
 292
 293         TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
 294                   __entry->comm, __entry->pid, __entry->prio,
 295                   __entry->orig_cpu, __entry->dest_cpu)
 296 );
 297
 298 DECLARE_EVENT_CLASS(sched_process_template,
 299
 300         TP_PROTO(struct task_struct *p),
 301
 302         TP_ARGS(p),
 303
 304         TP_STRUCT__entry(
 305                 __array(        char,   comm,   TASK_COMM_LEN   )
 306                 __field(        pid_t,  pid                     )
 307                 __field(        int,    prio                    )
 308         ),
 309
 310         TP_fast_assign(
 311                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 312                 __entry->pid            = p->pid;
 313                 __entry->prio           = p->prio; /* XXX SCHED_DEADLINE */
 314         ),
 315
 316         TP_printk("comm=%s pid=%d prio=%d",
 317                   __entry->comm, __entry->pid, __entry->prio)
 318 );
 319
 320 /*
 321  * Tracepoint for freeing a task:
 322  */
 323 DEFINE_EVENT(sched_process_template, sched_process_free,
 324              TP_PROTO(struct task_struct *p),
 325              TP_ARGS(p));
 326
 327 /*
 328  * Tracepoint for a task exiting:
 329  */
 330 DEFINE_EVENT(sched_process_template, sched_process_exit,
 331              TP_PROTO(struct task_struct *p),
 332              TP_ARGS(p));
 333
 334 /*
 335  * Tracepoint for waiting on task to unschedule:
 336  */
 337 DEFINE_EVENT(sched_process_template, sched_wait_task,
 338         TP_PROTO(struct task_struct *p),
 339         TP_ARGS(p));
 340
 341 /*
 342  * Tracepoint for a waiting task:
 343  */
 344 TRACE_EVENT(sched_process_wait,
 345
 346         TP_PROTO(struct pid *pid),
 347
 348         TP_ARGS(pid),
 349
 350         TP_STRUCT__entry(
 351                 __array(        char,   comm,   TASK_COMM_LEN   )
 352                 __field(        pid_t,  pid                     )
 353                 __field(        int,    prio                    )
 354         ),
 355
 356         TP_fast_assign(
 357                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 358                 __entry->pid            = pid_nr(pid);
 359                 __entry->prio           = current->prio; /* XXX SCHED_DEADLINE */
 360         ),
 361
 362         TP_printk("comm=%s pid=%d prio=%d",
 363                   __entry->comm, __entry->pid, __entry->prio)
 364 );
 365
 366 /*
 367  * Tracepoint for kernel_clone:
 368  */
 369 TRACE_EVENT(sched_process_fork,
 370
 371         TP_PROTO(struct task_struct *parent, struct task_struct *child),
 372
 373         TP_ARGS(parent, child),
 374
 375         TP_STRUCT__entry(
 376                 __array(        char,   parent_comm,    TASK_COMM_LEN   )
 377                 __field(        pid_t,  parent_pid                      )
 378                 __array(        char,   child_comm,     TASK_COMM_LEN   )
 379                 __field(        pid_t,  child_pid                       )
 380         ),
 381
 382         TP_fast_assign(
 383                 memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
 384                 __entry->parent_pid     = parent->pid;
 385                 memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
 386                 __entry->child_pid      = child->pid;
 387         ),
 388
 389         TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
 390                 __entry->parent_comm, __entry->parent_pid,
 391                 __entry->child_comm, __entry->child_pid)
 392 );
 393
 394 /*
 395  * Tracepoint for exec:
 396  */
 397 TRACE_EVENT(sched_process_exec,
 398
 399         TP_PROTO(struct task_struct *p, pid_t old_pid,
 400                  struct linux_binprm *bprm),
 401
 402         TP_ARGS(p, old_pid, bprm),
 403
 404         TP_STRUCT__entry(
 405                 __string(       filename,       bprm->filename  )
 406                 __field(        pid_t,          pid             )
 407                 __field(        pid_t,          old_pid         )
 408         ),
 409
 410         TP_fast_assign(
 411                 __assign_str(filename, bprm->filename);
 412                 __entry->pid            = p->pid;
 413                 __entry->old_pid        = old_pid;
 414         ),
 415
 416         TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
 417                   __entry->pid, __entry->old_pid)
 418 );
 419
 420
 421 #ifdef CONFIG_SCHEDSTATS
 422 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT
 423 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS
 424 #else
 425 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT_NOP
 426 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS_NOP
 427 #endif
 428
 429 /*
 430  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
 431  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
 432  */
 433 DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
 434
 435         TP_PROTO(struct task_struct *tsk, u64 delay),
 436
 437         TP_ARGS(__perf_task(tsk), __perf_count(delay)),
 438
 439         TP_STRUCT__entry(
 440                 __array( char,  comm,   TASK_COMM_LEN   )
 441                 __field( pid_t, pid                     )
 442                 __field( u64,   delay                   )
 443         ),
 444
 445         TP_fast_assign(
 446                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 447                 __entry->pid    = tsk->pid;
 448                 __entry->delay  = delay;
 449         ),
 450
 451         TP_printk("comm=%s pid=%d delay=%Lu [ns]",
 452                         __entry->comm, __entry->pid,
 453                         (unsigned long long)__entry->delay)
 454 );
 455
 456 /*
 457  * Tracepoint for accounting wait time (time the task is runnable
 458  * but not actually running due to scheduler contention).
 459  */
 460 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_wait,
 461              TP_PROTO(struct task_struct *tsk, u64 delay),
 462              TP_ARGS(tsk, delay));
 463
 464 /*
 465  * Tracepoint for accounting sleep time (time the task is not runnable,
 466  * including iowait, see below).
 467  */
 468 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_sleep,
 469              TP_PROTO(struct task_struct *tsk, u64 delay),
 470              TP_ARGS(tsk, delay));
 471
 472 /*
 473  * Tracepoint for accounting iowait time (time the task is not runnable
 474  * due to waiting on IO to complete).
 475  */
 476 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_iowait,
 477              TP_PROTO(struct task_struct *tsk, u64 delay),
 478              TP_ARGS(tsk, delay));
 479
 480 /*
 481  * Tracepoint for accounting blocked time (time the task is in uninterruptible).
 482  */
 483 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
 484              TP_PROTO(struct task_struct *tsk, u64 delay),
 485              TP_ARGS(tsk, delay));
 486
 487 /*
 488  * Tracepoint for accounting runtime (time the task is executing
 489  * on a CPU).
 490  */
 491 DECLARE_EVENT_CLASS(sched_stat_runtime,
 492
 493         TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
 494
 495         TP_ARGS(tsk, __perf_count(runtime), vruntime),
 496
 497         TP_STRUCT__entry(
 498                 __array( char,  comm,   TASK_COMM_LEN   )
 499                 __field( pid_t, pid                     )
 500                 __field( u64,   runtime                 )
 501                 __field( u64,   vruntime                        )
 502         ),
 503
 504         TP_fast_assign(
 505                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 506                 __entry->pid            = tsk->pid;
 507                 __entry->runtime        = runtime;
 508                 __entry->vruntime       = vruntime;
 509         ),
 510
 511         TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
 512                         __entry->comm, __entry->pid,
 513                         (unsigned long long)__entry->runtime,
 514                         (unsigned long long)__entry->vruntime)
 515 );
 516
 517 DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
 518              TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
 519              TP_ARGS(tsk, runtime, vruntime));
 520
 521 /*
 522  * Tracepoint for showing priority inheritance modifying a tasks
 523  * priority.
 524  */
 525 TRACE_EVENT(sched_pi_setprio,
 526
 527         TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
 528
 529         TP_ARGS(tsk, pi_task),
 530
 531         TP_STRUCT__entry(
 532                 __array( char,  comm,   TASK_COMM_LEN   )
 533                 __field( pid_t, pid                     )
 534                 __field( int,   oldprio                 )
 535                 __field( int,   newprio                 )
 536         ),
 537
 538         TP_fast_assign(
 539                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 540                 __entry->pid            = tsk->pid;
 541                 __entry->oldprio        = tsk->prio;
 542                 __entry->newprio        = pi_task ?
 543                                 min(tsk->normal_prio, pi_task->prio) :
 544                                 tsk->normal_prio;
 545                 /* XXX SCHED_DEADLINE bits missing */
 546         ),
 547
 548         TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
 549                         __entry->comm, __entry->pid,
 550                         __entry->oldprio, __entry->newprio)
 551 );
 552
 553 #ifdef CONFIG_DETECT_HUNG_TASK
 554 TRACE_EVENT(sched_process_hang,
 555         TP_PROTO(struct task_struct *tsk),
 556         TP_ARGS(tsk),
 557
 558         TP_STRUCT__entry(
 559                 __array( char,  comm,   TASK_COMM_LEN   )
 560                 __field( pid_t, pid                     )
 561         ),
 562
 563         TP_fast_assign(
 564                 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 565                 __entry->pid = tsk->pid;
 566         ),
 567
 568         TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
 569 );
 570 #endif /* CONFIG_DETECT_HUNG_TASK */
 571
 572 /*
 573  * Tracks migration of tasks from one runqueue to another. Can be used to
 574  * detect if automatic NUMA balancing is bouncing between nodes.
 575  */
 576 TRACE_EVENT(sched_move_numa,
 577
 578         TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
 579
 580         TP_ARGS(tsk, src_cpu, dst_cpu),
 581
 582         TP_STRUCT__entry(
 583                 __field( pid_t, pid                     )
 584                 __field( pid_t, tgid                    )
 585                 __field( pid_t, ngid                    )
 586                 __field( int,   src_cpu                 )
 587                 __field( int,   src_nid                 )
 588                 __field( int,   dst_cpu                 )
 589                 __field( int,   dst_nid                 )
 590         ),
 591
 592         TP_fast_assign(
 593                 __entry->pid            = task_pid_nr(tsk);
 594                 __entry->tgid           = task_tgid_nr(tsk);
 595                 __entry->ngid           = task_numa_group_id(tsk);
 596                 __entry->src_cpu        = src_cpu;
 597                 __entry->src_nid        = cpu_to_node(src_cpu);
 598                 __entry->dst_cpu        = dst_cpu;
 599                 __entry->dst_nid        = cpu_to_node(dst_cpu);
 600         ),
 601
 602         TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
 603                         __entry->pid, __entry->tgid, __entry->ngid,
 604                         __entry->src_cpu, __entry->src_nid,
 605                         __entry->dst_cpu, __entry->dst_nid)
 606 );
 607
 608 DECLARE_EVENT_CLASS(sched_numa_pair_template,
 609
 610         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 611                  struct task_struct *dst_tsk, int dst_cpu),
 612
 613         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
 614
 615         TP_STRUCT__entry(
 616                 __field( pid_t, src_pid                 )
 617                 __field( pid_t, src_tgid                )
 618                 __field( pid_t, src_ngid                )
 619                 __field( int,   src_cpu                 )
 620                 __field( int,   src_nid                 )
 621                 __field( pid_t, dst_pid                 )
 622                 __field( pid_t, dst_tgid                )
 623                 __field( pid_t, dst_ngid                )
 624                 __field( int,   dst_cpu                 )
 625                 __field( int,   dst_nid                 )
 626         ),
 627
 628         TP_fast_assign(
 629                 __entry->src_pid        = task_pid_nr(src_tsk);
 630                 __entry->src_tgid       = task_tgid_nr(src_tsk);
 631                 __entry->src_ngid       = task_numa_group_id(src_tsk);
 632                 __entry->src_cpu        = src_cpu;
 633                 __entry->src_nid        = cpu_to_node(src_cpu);
 634                 __entry->dst_pid        = dst_tsk ? task_pid_nr(dst_tsk) : 0;
 635                 __entry->dst_tgid       = dst_tsk ? task_tgid_nr(dst_tsk) : 0;
 636                 __entry->dst_ngid       = dst_tsk ? task_numa_group_id(dst_tsk) : 0;
 637                 __entry->dst_cpu        = dst_cpu;
 638                 __entry->dst_nid        = dst_cpu >= 0 ? cpu_to_node(dst_cpu) : -1;
 639         ),
 640
 641         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",
 642                         __entry->src_pid, __entry->src_tgid, __entry->src_ngid,
 643                         __entry->src_cpu, __entry->src_nid,
 644                         __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
 645                         __entry->dst_cpu, __entry->dst_nid)
 646 );
 647
 648 DEFINE_EVENT(sched_numa_pair_template, sched_stick_numa,
 649
 650         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 651                  struct task_struct *dst_tsk, int dst_cpu),
 652
 653         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
 654 );
 655
 656 DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa,
 657
 658         TP_PROTO(struct task_struct *src_tsk, int src_cpu,
 659                  struct task_struct *dst_tsk, int dst_cpu),
 660
 661         TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
 662 );
 663
 664
 665 /*
 666  * Tracepoint for waking a polling cpu without an IPI.
 667  */
 668 TRACE_EVENT(sched_wake_idle_without_ipi,
 669
 670         TP_PROTO(int cpu),
 671
 672         TP_ARGS(cpu),
 673
 674         TP_STRUCT__entry(
 675                 __field(        int,    cpu     )
 676         ),
 677
 678         TP_fast_assign(
 679                 __entry->cpu    = cpu;
 680         ),
 681
 682         TP_printk("cpu=%d", __entry->cpu)
 683 );
 684
 685 /*
 686  * Following tracepoints are not exported in tracefs and provide hooking
 687  * mechanisms only for testing and debugging purposes.
 688  *
 689  * Postfixed with _tp to make them easily identifiable in the code.
 690  */
 691 DECLARE_TRACE(pelt_cfs_tp,
 692         TP_PROTO(struct cfs_rq *cfs_rq),
 693         TP_ARGS(cfs_rq));
 694
 695 DECLARE_TRACE(pelt_rt_tp,
 696         TP_PROTO(struct rq *rq),
 697         TP_ARGS(rq));
 698
 699 DECLARE_TRACE(pelt_dl_tp,
 700         TP_PROTO(struct rq *rq),
 701         TP_ARGS(rq));
 702
 703 DECLARE_TRACE(pelt_thermal_tp,
 704         TP_PROTO(struct rq *rq),
 705         TP_ARGS(rq));
 706
 707 DECLARE_TRACE(pelt_irq_tp,
 708         TP_PROTO(struct rq *rq),
 709         TP_ARGS(rq));
 710
 711 DECLARE_TRACE(pelt_se_tp,
 712         TP_PROTO(struct sched_entity *se),
 713         TP_ARGS(se));
 714
 715 DECLARE_TRACE(sched_cpu_capacity_tp,
 716         TP_PROTO(struct rq *rq),
 717         TP_ARGS(rq));
 718
 719 DECLARE_TRACE(sched_overutilized_tp,
 720         TP_PROTO(struct root_domain *rd, bool overutilized),
 721         TP_ARGS(rd, overutilized));
 722
 723 DECLARE_TRACE(sched_util_est_cfs_tp,
 724         TP_PROTO(struct cfs_rq *cfs_rq),
 725         TP_ARGS(cfs_rq));
 726
 727 DECLARE_TRACE(sched_util_est_se_tp,
 728         TP_PROTO(struct sched_entity *se),
 729         TP_ARGS(se));
 730
 731 DECLARE_TRACE(sched_update_nr_running_tp,
 732         TP_PROTO(struct rq *rq, int change),
 733         TP_ARGS(rq, change));
 734
 735 #endif /* _TRACE_SCHED_H */
 736
 737 /* This part must be outside protection */
 738 #include <trace/define_trace.h>