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 */
16TRACE_EVENT(sched_kthread_stop,
17
18 TP_PROTO(struct task_struct *t),
19
20 TP_ARGS(t),
21
22 TP_STRUCT__entry(
23 __string( comm, t->comm )
24 __field( pid_t, pid )
25 ),
26
27 TP_fast_assign(
28 __assign_str(comm);
29 __entry->pid = t->pid;
30 ),
31
32 TP_printk("comm=%s pid=%d", __get_str(comm), __entry->pid)
33);
34
35/*
36 * Tracepoint for the return value of the kthread stopping:
37 */
38TRACE_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 */
64TRACE_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 */
93TRACE_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 */
119TRACE_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 */
141DECLARE_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 */
170DEFINE_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 */
178DEFINE_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 */
185DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
186 TP_PROTO(struct task_struct *p),
187 TP_ARGS(p));
188
189#ifdef CREATE_TRACE_POINTS
190static 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 BUG_ON(p != current);
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(prev_state, p->exit_state);
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 */
220TRACE_EVENT(sched_switch,
221
222 TP_PROTO(bool preempt,
223 struct task_struct *prev,
224 struct task_struct *next,
225 unsigned int prev_state),
226
227 TP_ARGS(preempt, prev, next, prev_state),
228
229 TP_STRUCT__entry(
230 __array( char, prev_comm, TASK_COMM_LEN )
231 __field( pid_t, prev_pid )
232 __field( int, prev_prio )
233 __field( long, prev_state )
234 __array( char, next_comm, TASK_COMM_LEN )
235 __field( pid_t, next_pid )
236 __field( int, next_prio )
237 ),
238
239 TP_fast_assign(
240 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
241 __entry->prev_pid = prev->pid;
242 __entry->prev_prio = prev->prio;
243 __entry->prev_state = __trace_sched_switch_state(preempt, prev_state, prev);
244 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
245 __entry->next_pid = next->pid;
246 __entry->next_prio = next->prio;
247 /* XXX SCHED_DEADLINE */
248 ),
249
250 TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
251 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
252
253 (__entry->prev_state & (TASK_REPORT_MAX - 1)) ?
254 __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|",
255 { TASK_INTERRUPTIBLE, "S" },
256 { TASK_UNINTERRUPTIBLE, "D" },
257 { __TASK_STOPPED, "T" },
258 { __TASK_TRACED, "t" },
259 { EXIT_DEAD, "X" },
260 { EXIT_ZOMBIE, "Z" },
261 { TASK_PARKED, "P" },
262 { TASK_DEAD, "I" }) :
263 "R",
264
265 __entry->prev_state & TASK_REPORT_MAX ? "+" : "",
266 __entry->next_comm, __entry->next_pid, __entry->next_prio)
267);
268
269/*
270 * Tracepoint for a task being migrated:
271 */
272TRACE_EVENT(sched_migrate_task,
273
274 TP_PROTO(struct task_struct *p, int dest_cpu),
275
276 TP_ARGS(p, dest_cpu),
277
278 TP_STRUCT__entry(
279 __string( comm, p->comm )
280 __field( pid_t, pid )
281 __field( int, prio )
282 __field( int, orig_cpu )
283 __field( int, dest_cpu )
284 ),
285
286 TP_fast_assign(
287 __assign_str(comm);
288 __entry->pid = p->pid;
289 __entry->prio = p->prio; /* XXX SCHED_DEADLINE */
290 __entry->orig_cpu = task_cpu(p);
291 __entry->dest_cpu = dest_cpu;
292 ),
293
294 TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
295 __get_str(comm), __entry->pid, __entry->prio,
296 __entry->orig_cpu, __entry->dest_cpu)
297);
298
299DECLARE_EVENT_CLASS(sched_process_template,
300
301 TP_PROTO(struct task_struct *p),
302
303 TP_ARGS(p),
304
305 TP_STRUCT__entry(
306 __string( comm, p->comm )
307 __field( pid_t, pid )
308 __field( int, prio )
309 ),
310
311 TP_fast_assign(
312 __assign_str(comm);
313 __entry->pid = p->pid;
314 __entry->prio = p->prio; /* XXX SCHED_DEADLINE */
315 ),
316
317 TP_printk("comm=%s pid=%d prio=%d",
318 __get_str(comm), __entry->pid, __entry->prio)
319);
320
321/*
322 * Tracepoint for freeing a task:
323 */
324DEFINE_EVENT(sched_process_template, sched_process_free,
325 TP_PROTO(struct task_struct *p),
326 TP_ARGS(p));
327
328/*
329 * Tracepoint for a task exiting.
330 * Note, it's a superset of sched_process_template and should be kept
331 * compatible as much as possible. sched_process_exits has an extra
332 * `group_dead` argument, so sched_process_template can't be used,
333 * unfortunately, just like sched_migrate_task above.
334 */
335TRACE_EVENT(sched_process_exit,
336
337 TP_PROTO(struct task_struct *p, bool group_dead),
338
339 TP_ARGS(p, group_dead),
340
341 TP_STRUCT__entry(
342 __array( char, comm, TASK_COMM_LEN )
343 __field( pid_t, pid )
344 __field( int, prio )
345 __field( bool, group_dead )
346 ),
347
348 TP_fast_assign(
349 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
350 __entry->pid = p->pid;
351 __entry->prio = p->prio; /* XXX SCHED_DEADLINE */
352 __entry->group_dead = group_dead;
353 ),
354
355 TP_printk("comm=%s pid=%d prio=%d group_dead=%s",
356 __entry->comm, __entry->pid, __entry->prio,
357 __entry->group_dead ? "true" : "false"
358 )
359);
360
361/*
362 * Tracepoint for waiting on task to unschedule:
363 */
364DEFINE_EVENT(sched_process_template, sched_wait_task,
365 TP_PROTO(struct task_struct *p),
366 TP_ARGS(p));
367
368/*
369 * Tracepoint for a waiting task:
370 */
371TRACE_EVENT(sched_process_wait,
372
373 TP_PROTO(struct pid *pid),
374
375 TP_ARGS(pid),
376
377 TP_STRUCT__entry(
378 __string( comm, current->comm )
379 __field( pid_t, pid )
380 __field( int, prio )
381 ),
382
383 TP_fast_assign(
384 __assign_str(comm);
385 __entry->pid = pid_nr(pid);
386 __entry->prio = current->prio; /* XXX SCHED_DEADLINE */
387 ),
388
389 TP_printk("comm=%s pid=%d prio=%d",
390 __get_str(comm), __entry->pid, __entry->prio)
391);
392
393/*
394 * Tracepoint for kernel_clone:
395 */
396TRACE_EVENT(sched_process_fork,
397
398 TP_PROTO(struct task_struct *parent, struct task_struct *child),
399
400 TP_ARGS(parent, child),
401
402 TP_STRUCT__entry(
403 __string( parent_comm, parent->comm )
404 __field( pid_t, parent_pid )
405 __string( child_comm, child->comm )
406 __field( pid_t, child_pid )
407 ),
408
409 TP_fast_assign(
410 __assign_str(parent_comm);
411 __entry->parent_pid = parent->pid;
412 __assign_str(child_comm);
413 __entry->child_pid = child->pid;
414 ),
415
416 TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
417 __get_str(parent_comm), __entry->parent_pid,
418 __get_str(child_comm), __entry->child_pid)
419);
420
421/*
422 * Tracepoint for exec:
423 */
424TRACE_EVENT(sched_process_exec,
425
426 TP_PROTO(struct task_struct *p, pid_t old_pid,
427 struct linux_binprm *bprm),
428
429 TP_ARGS(p, old_pid, bprm),
430
431 TP_STRUCT__entry(
432 __string( filename, bprm->filename )
433 __field( pid_t, pid )
434 __field( pid_t, old_pid )
435 ),
436
437 TP_fast_assign(
438 __assign_str(filename);
439 __entry->pid = p->pid;
440 __entry->old_pid = old_pid;
441 ),
442
443 TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
444 __entry->pid, __entry->old_pid)
445);
446
447/**
448 * sched_prepare_exec - called before setting up new exec
449 * @task: pointer to the current task
450 * @bprm: pointer to linux_binprm used for new exec
451 *
452 * Called before flushing the old exec, where @task is still unchanged, but at
453 * the point of no return during switching to the new exec. At the point it is
454 * called the exec will either succeed, or on failure terminate the task. Also
455 * see the "sched_process_exec" tracepoint, which is called right after @task
456 * has successfully switched to the new exec.
457 */
458TRACE_EVENT(sched_prepare_exec,
459
460 TP_PROTO(struct task_struct *task, struct linux_binprm *bprm),
461
462 TP_ARGS(task, bprm),
463
464 TP_STRUCT__entry(
465 __string( interp, bprm->interp )
466 __string( filename, bprm->filename )
467 __field( pid_t, pid )
468 __string( comm, task->comm )
469 ),
470
471 TP_fast_assign(
472 __assign_str(interp);
473 __assign_str(filename);
474 __entry->pid = task->pid;
475 __assign_str(comm);
476 ),
477
478 TP_printk("interp=%s filename=%s pid=%d comm=%s",
479 __get_str(interp), __get_str(filename),
480 __entry->pid, __get_str(comm))
481);
482
483#ifdef CONFIG_SCHEDSTATS
484#define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT
485#define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS
486#else
487#define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT_NOP
488#define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS_NOP
489#endif
490
491/*
492 * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
493 * adding sched_stat support to SCHED_FIFO/RR would be welcome.
494 */
495DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
496
497 TP_PROTO(struct task_struct *tsk, u64 delay),
498
499 TP_ARGS(__perf_task(tsk), __perf_count(delay)),
500
501 TP_STRUCT__entry(
502 __string( comm, tsk->comm )
503 __field( pid_t, pid )
504 __field( u64, delay )
505 ),
506
507 TP_fast_assign(
508 __assign_str(comm);
509 __entry->pid = tsk->pid;
510 __entry->delay = delay;
511 ),
512
513 TP_printk("comm=%s pid=%d delay=%Lu [ns]",
514 __get_str(comm), __entry->pid,
515 (unsigned long long)__entry->delay)
516);
517
518/*
519 * Tracepoint for accounting wait time (time the task is runnable
520 * but not actually running due to scheduler contention).
521 */
522DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_wait,
523 TP_PROTO(struct task_struct *tsk, u64 delay),
524 TP_ARGS(tsk, delay));
525
526/*
527 * Tracepoint for accounting sleep time (time the task is not runnable,
528 * including iowait, see below).
529 */
530DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_sleep,
531 TP_PROTO(struct task_struct *tsk, u64 delay),
532 TP_ARGS(tsk, delay));
533
534/*
535 * Tracepoint for accounting iowait time (time the task is not runnable
536 * due to waiting on IO to complete).
537 */
538DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_iowait,
539 TP_PROTO(struct task_struct *tsk, u64 delay),
540 TP_ARGS(tsk, delay));
541
542/*
543 * Tracepoint for accounting blocked time (time the task is in uninterruptible).
544 */
545DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
546 TP_PROTO(struct task_struct *tsk, u64 delay),
547 TP_ARGS(tsk, delay));
548
549/*
550 * Tracepoint for accounting runtime (time the task is executing
551 * on a CPU).
552 */
553DECLARE_EVENT_CLASS(sched_stat_runtime,
554
555 TP_PROTO(struct task_struct *tsk, u64 runtime),
556
557 TP_ARGS(tsk, __perf_count(runtime)),
558
559 TP_STRUCT__entry(
560 __string( comm, tsk->comm )
561 __field( pid_t, pid )
562 __field( u64, runtime )
563 ),
564
565 TP_fast_assign(
566 __assign_str(comm);
567 __entry->pid = tsk->pid;
568 __entry->runtime = runtime;
569 ),
570
571 TP_printk("comm=%s pid=%d runtime=%Lu [ns]",
572 __get_str(comm), __entry->pid,
573 (unsigned long long)__entry->runtime)
574);
575
576DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
577 TP_PROTO(struct task_struct *tsk, u64 runtime),
578 TP_ARGS(tsk, runtime));
579
580/*
581 * Tracepoint for showing priority inheritance modifying a tasks
582 * priority.
583 */
584TRACE_EVENT(sched_pi_setprio,
585
586 TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
587
588 TP_ARGS(tsk, pi_task),
589
590 TP_STRUCT__entry(
591 __string( comm, tsk->comm )
592 __field( pid_t, pid )
593 __field( int, oldprio )
594 __field( int, newprio )
595 ),
596
597 TP_fast_assign(
598 __assign_str(comm);
599 __entry->pid = tsk->pid;
600 __entry->oldprio = tsk->prio;
601 __entry->newprio = pi_task ?
602 min(tsk->normal_prio, pi_task->prio) :
603 tsk->normal_prio;
604 /* XXX SCHED_DEADLINE bits missing */
605 ),
606
607 TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
608 __get_str(comm), __entry->pid,
609 __entry->oldprio, __entry->newprio)
610);
611
612#ifdef CONFIG_DETECT_HUNG_TASK
613TRACE_EVENT(sched_process_hang,
614 TP_PROTO(struct task_struct *tsk),
615 TP_ARGS(tsk),
616
617 TP_STRUCT__entry(
618 __string( comm, tsk->comm )
619 __field( pid_t, pid )
620 ),
621
622 TP_fast_assign(
623 __assign_str(comm);
624 __entry->pid = tsk->pid;
625 ),
626
627 TP_printk("comm=%s pid=%d", __get_str(comm), __entry->pid)
628);
629#endif /* CONFIG_DETECT_HUNG_TASK */
630
631/*
632 * Tracks migration of tasks from one runqueue to another. Can be used to
633 * detect if automatic NUMA balancing is bouncing between nodes.
634 */
635TRACE_EVENT(sched_move_numa,
636
637 TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
638
639 TP_ARGS(tsk, src_cpu, dst_cpu),
640
641 TP_STRUCT__entry(
642 __field( pid_t, pid )
643 __field( pid_t, tgid )
644 __field( pid_t, ngid )
645 __field( int, src_cpu )
646 __field( int, src_nid )
647 __field( int, dst_cpu )
648 __field( int, dst_nid )
649 ),
650
651 TP_fast_assign(
652 __entry->pid = task_pid_nr(tsk);
653 __entry->tgid = task_tgid_nr(tsk);
654 __entry->ngid = task_numa_group_id(tsk);
655 __entry->src_cpu = src_cpu;
656 __entry->src_nid = cpu_to_node(src_cpu);
657 __entry->dst_cpu = dst_cpu;
658 __entry->dst_nid = cpu_to_node(dst_cpu);
659 ),
660
661 TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
662 __entry->pid, __entry->tgid, __entry->ngid,
663 __entry->src_cpu, __entry->src_nid,
664 __entry->dst_cpu, __entry->dst_nid)
665);
666
667DECLARE_EVENT_CLASS(sched_numa_pair_template,
668
669 TP_PROTO(struct task_struct *src_tsk, int src_cpu,
670 struct task_struct *dst_tsk, int dst_cpu),
671
672 TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
673
674 TP_STRUCT__entry(
675 __field( pid_t, src_pid )
676 __field( pid_t, src_tgid )
677 __field( pid_t, src_ngid )
678 __field( int, src_cpu )
679 __field( int, src_nid )
680 __field( pid_t, dst_pid )
681 __field( pid_t, dst_tgid )
682 __field( pid_t, dst_ngid )
683 __field( int, dst_cpu )
684 __field( int, dst_nid )
685 ),
686
687 TP_fast_assign(
688 __entry->src_pid = task_pid_nr(src_tsk);
689 __entry->src_tgid = task_tgid_nr(src_tsk);
690 __entry->src_ngid = task_numa_group_id(src_tsk);
691 __entry->src_cpu = src_cpu;
692 __entry->src_nid = cpu_to_node(src_cpu);
693 __entry->dst_pid = dst_tsk ? task_pid_nr(dst_tsk) : 0;
694 __entry->dst_tgid = dst_tsk ? task_tgid_nr(dst_tsk) : 0;
695 __entry->dst_ngid = dst_tsk ? task_numa_group_id(dst_tsk) : 0;
696 __entry->dst_cpu = dst_cpu;
697 __entry->dst_nid = dst_cpu >= 0 ? cpu_to_node(dst_cpu) : -1;
698 ),
699
700 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",
701 __entry->src_pid, __entry->src_tgid, __entry->src_ngid,
702 __entry->src_cpu, __entry->src_nid,
703 __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
704 __entry->dst_cpu, __entry->dst_nid)
705);
706
707DEFINE_EVENT(sched_numa_pair_template, sched_stick_numa,
708
709 TP_PROTO(struct task_struct *src_tsk, int src_cpu,
710 struct task_struct *dst_tsk, int dst_cpu),
711
712 TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
713);
714
715DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa,
716
717 TP_PROTO(struct task_struct *src_tsk, int src_cpu,
718 struct task_struct *dst_tsk, int dst_cpu),
719
720 TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
721);
722
723#ifdef CONFIG_NUMA_BALANCING
724#define NUMAB_SKIP_REASON \
725 EM( NUMAB_SKIP_UNSUITABLE, "unsuitable" ) \
726 EM( NUMAB_SKIP_SHARED_RO, "shared_ro" ) \
727 EM( NUMAB_SKIP_INACCESSIBLE, "inaccessible" ) \
728 EM( NUMAB_SKIP_SCAN_DELAY, "scan_delay" ) \
729 EM( NUMAB_SKIP_PID_INACTIVE, "pid_inactive" ) \
730 EM( NUMAB_SKIP_IGNORE_PID, "ignore_pid_inactive" ) \
731 EMe(NUMAB_SKIP_SEQ_COMPLETED, "seq_completed" )
732
733/* Redefine for export. */
734#undef EM
735#undef EMe
736#define EM(a, b) TRACE_DEFINE_ENUM(a);
737#define EMe(a, b) TRACE_DEFINE_ENUM(a);
738
739NUMAB_SKIP_REASON
740
741/* Redefine for symbolic printing. */
742#undef EM
743#undef EMe
744#define EM(a, b) { a, b },
745#define EMe(a, b) { a, b }
746
747TRACE_EVENT(sched_skip_vma_numa,
748
749 TP_PROTO(struct mm_struct *mm, struct vm_area_struct *vma,
750 enum numa_vmaskip_reason reason),
751
752 TP_ARGS(mm, vma, reason),
753
754 TP_STRUCT__entry(
755 __field(unsigned long, numa_scan_offset)
756 __field(unsigned long, vm_start)
757 __field(unsigned long, vm_end)
758 __field(enum numa_vmaskip_reason, reason)
759 ),
760
761 TP_fast_assign(
762 __entry->numa_scan_offset = mm->numa_scan_offset;
763 __entry->vm_start = vma->vm_start;
764 __entry->vm_end = vma->vm_end;
765 __entry->reason = reason;
766 ),
767
768 TP_printk("numa_scan_offset=%lX vm_start=%lX vm_end=%lX reason=%s",
769 __entry->numa_scan_offset,
770 __entry->vm_start,
771 __entry->vm_end,
772 __print_symbolic(__entry->reason, NUMAB_SKIP_REASON))
773);
774
775TRACE_EVENT(sched_skip_cpuset_numa,
776
777 TP_PROTO(struct task_struct *tsk, nodemask_t *mem_allowed_ptr),
778
779 TP_ARGS(tsk, mem_allowed_ptr),
780
781 TP_STRUCT__entry(
782 __array( char, comm, TASK_COMM_LEN )
783 __field( pid_t, pid )
784 __field( pid_t, tgid )
785 __field( pid_t, ngid )
786 __array( unsigned long, mem_allowed, BITS_TO_LONGS(MAX_NUMNODES))
787 ),
788
789 TP_fast_assign(
790 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
791 __entry->pid = task_pid_nr(tsk);
792 __entry->tgid = task_tgid_nr(tsk);
793 __entry->ngid = task_numa_group_id(tsk);
794 BUILD_BUG_ON(sizeof(nodemask_t) != \
795 BITS_TO_LONGS(MAX_NUMNODES) * sizeof(long));
796 memcpy(__entry->mem_allowed, mem_allowed_ptr->bits,
797 sizeof(__entry->mem_allowed));
798 ),
799
800 TP_printk("comm=%s pid=%d tgid=%d ngid=%d mem_nodes_allowed=%*pbl",
801 __entry->comm,
802 __entry->pid,
803 __entry->tgid,
804 __entry->ngid,
805 MAX_NUMNODES, __entry->mem_allowed)
806);
807#endif /* CONFIG_NUMA_BALANCING */
808
809/*
810 * Tracepoint for waking a polling cpu without an IPI.
811 */
812TRACE_EVENT(sched_wake_idle_without_ipi,
813
814 TP_PROTO(int cpu),
815
816 TP_ARGS(cpu),
817
818 TP_STRUCT__entry(
819 __field( int, cpu )
820 ),
821
822 TP_fast_assign(
823 __entry->cpu = cpu;
824 ),
825
826 TP_printk("cpu=%d", __entry->cpu)
827);
828
829/*
830 * Following tracepoints are not exported in tracefs and provide hooking
831 * mechanisms only for testing and debugging purposes.
832 *
833 * Postfixed with _tp to make them easily identifiable in the code.
834 */
835DECLARE_TRACE(pelt_cfs,
836 TP_PROTO(struct cfs_rq *cfs_rq),
837 TP_ARGS(cfs_rq));
838
839DECLARE_TRACE(pelt_rt,
840 TP_PROTO(struct rq *rq),
841 TP_ARGS(rq));
842
843DECLARE_TRACE(pelt_dl,
844 TP_PROTO(struct rq *rq),
845 TP_ARGS(rq));
846
847DECLARE_TRACE(pelt_hw,
848 TP_PROTO(struct rq *rq),
849 TP_ARGS(rq));
850
851DECLARE_TRACE(pelt_irq,
852 TP_PROTO(struct rq *rq),
853 TP_ARGS(rq));
854
855DECLARE_TRACE(pelt_se,
856 TP_PROTO(struct sched_entity *se),
857 TP_ARGS(se));
858
859DECLARE_TRACE(sched_cpu_capacity,
860 TP_PROTO(struct rq *rq),
861 TP_ARGS(rq));
862
863DECLARE_TRACE(sched_overutilized,
864 TP_PROTO(struct root_domain *rd, bool overutilized),
865 TP_ARGS(rd, overutilized));
866
867DECLARE_TRACE(sched_util_est_cfs,
868 TP_PROTO(struct cfs_rq *cfs_rq),
869 TP_ARGS(cfs_rq));
870
871DECLARE_TRACE(sched_util_est_se,
872 TP_PROTO(struct sched_entity *se),
873 TP_ARGS(se));
874
875DECLARE_TRACE(sched_update_nr_running,
876 TP_PROTO(struct rq *rq, int change),
877 TP_ARGS(rq, change));
878
879DECLARE_TRACE(sched_compute_energy,
880 TP_PROTO(struct task_struct *p, int dst_cpu, unsigned long energy,
881 unsigned long max_util, unsigned long busy_time),
882 TP_ARGS(p, dst_cpu, energy, max_util, busy_time));
883
884DECLARE_TRACE(sched_entry,
885 TP_PROTO(bool preempt, unsigned long ip),
886 TP_ARGS(preempt, ip));
887
888DECLARE_TRACE(sched_exit,
889 TP_PROTO(bool is_switch, unsigned long ip),
890 TP_ARGS(is_switch, ip));
891
892DECLARE_TRACE_CONDITION(sched_set_state,
893 TP_PROTO(struct task_struct *tsk, int state),
894 TP_ARGS(tsk, state),
895 TP_CONDITION(!!(tsk->__state) != !!state));
896
897#endif /* _TRACE_SCHED_H */
898
899/* This part must be outside protection */
900#include <trace/define_trace.h>
901

source code of linux/include/trace/events/sched.h