xref: /linux/include/trace/events/sched.h (revision d53b8e36925256097a08d7cb749198d85cbf9b2b)
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>
831