1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM sched
4 
5 #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_SCHED_H
7 
8 #include <linux/kthread.h>
9 #include <linux/sched/numa_balancing.h>
10 #include <linux/tracepoint.h>
11 #include <linux/binfmts.h>
12 
13 /*
14  * Tracepoint for calling kthread_stop, performed to end a kthread:
15  */
16 TRACE_EVENT(sched_kthread_stop,
17 
18 	TP_PROTO(struct task_struct *t),
19 
20 	TP_ARGS(t),
21 
22 	TP_STRUCT__entry(
23 		__array(	char,	comm,	TASK_COMM_LEN	)
24 		__field(	pid_t,	pid			)
25 	),
26 
27 	TP_fast_assign(
28 		memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
29 		__entry->pid	= t->pid;
30 	),
31 
32 	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
33 );
34 
35 /*
36  * Tracepoint for the return value of the kthread stopping:
37  */
38 TRACE_EVENT(sched_kthread_stop_ret,
39 
40 	TP_PROTO(int ret),
41 
42 	TP_ARGS(ret),
43 
44 	TP_STRUCT__entry(
45 		__field(	int,	ret	)
46 	),
47 
48 	TP_fast_assign(
49 		__entry->ret	= ret;
50 	),
51 
52 	TP_printk("ret=%d", __entry->ret)
53 );
54 
55 /**
56  * sched_kthread_work_queue_work - called when a work gets queued
57  * @worker:	pointer to the kthread_worker
58  * @work:	pointer to struct kthread_work
59  *
60  * This event occurs when a work is queued immediately or once a
61  * delayed work is actually queued (ie: once the delay has been
62  * reached).
63  */
64 TRACE_EVENT(sched_kthread_work_queue_work,
65 
66 	TP_PROTO(struct kthread_worker *worker,
67 		 struct kthread_work *work),
68 
69 	TP_ARGS(worker, work),
70 
71 	TP_STRUCT__entry(
72 		__field( void *,	work	)
73 		__field( void *,	function)
74 		__field( void *,	worker)
75 	),
76 
77 	TP_fast_assign(
78 		__entry->work		= work;
79 		__entry->function	= work->func;
80 		__entry->worker		= worker;
81 	),
82 
83 	TP_printk("work struct=%p function=%ps worker=%p",
84 		  __entry->work, __entry->function, __entry->worker)
85 );
86 
87 /**
88  * sched_kthread_work_execute_start - called immediately before the work callback
89  * @work:	pointer to struct kthread_work
90  *
91  * Allows to track kthread work execution.
92  */
93 TRACE_EVENT(sched_kthread_work_execute_start,
94 
95 	TP_PROTO(struct kthread_work *work),
96 
97 	TP_ARGS(work),
98 
99 	TP_STRUCT__entry(
100 		__field( void *,	work	)
101 		__field( void *,	function)
102 	),
103 
104 	TP_fast_assign(
105 		__entry->work		= work;
106 		__entry->function	= work->func;
107 	),
108 
109 	TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
110 );
111 
112 /**
113  * sched_kthread_work_execute_end - called immediately after the work callback
114  * @work:	pointer to struct work_struct
115  * @function:   pointer to worker function
116  *
117  * Allows to track workqueue execution.
118  */
119 TRACE_EVENT(sched_kthread_work_execute_end,
120 
121 	TP_PROTO(struct kthread_work *work, kthread_work_func_t function),
122 
123 	TP_ARGS(work, function),
124 
125 	TP_STRUCT__entry(
126 		__field( void *,	work	)
127 		__field( void *,	function)
128 	),
129 
130 	TP_fast_assign(
131 		__entry->work		= work;
132 		__entry->function	= function;
133 	),
134 
135 	TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
136 );
137 
138 /*
139  * Tracepoint for waking up a task:
140  */
141 DECLARE_EVENT_CLASS(sched_wakeup_template,
142 
143 	TP_PROTO(struct task_struct *p),
144 
145 	TP_ARGS(__perf_task(p)),
146 
147 	TP_STRUCT__entry(
148 		__array(	char,	comm,	TASK_COMM_LEN	)
149 		__field(	pid_t,	pid			)
150 		__field(	int,	prio			)
151 		__field(	int,	success			)
152 		__field(	int,	target_cpu		)
153 	),
154 
155 	TP_fast_assign(
156 		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
157 		__entry->pid		= p->pid;
158 		__entry->prio		= p->prio; /* XXX SCHED_DEADLINE */
159 		__entry->success	= 1; /* rudiment, kill when possible */
160 		__entry->target_cpu	= task_cpu(p);
161 	),
162 
163 	TP_printk("comm=%s pid=%d prio=%d target_cpu=%03d",
164 		  __entry->comm, __entry->pid, __entry->prio,
165 		  __entry->target_cpu)
166 );
167 
168 /*
169  * Tracepoint called when waking a task; this tracepoint is guaranteed to be
170  * called from the waking context.
171  */
172 DEFINE_EVENT(sched_wakeup_template, sched_waking,
173 	     TP_PROTO(struct task_struct *p),
174 	     TP_ARGS(p));
175 
176 /*
177  * Tracepoint called when the task is actually woken; p->state == TASK_RUNNING.
178  * It is not always called from the waking context.
179  */
180 DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
181 	     TP_PROTO(struct task_struct *p),
182 	     TP_ARGS(p));
183 
184 /*
185  * Tracepoint for waking up a new task:
186  */
187 DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
188 	     TP_PROTO(struct task_struct *p),
189 	     TP_ARGS(p));
190 
191 #ifdef CREATE_TRACE_POINTS
__trace_sched_switch_state(bool preempt,struct task_struct * p)192 static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
193 {
194 	unsigned int state;
195 
196 #ifdef CONFIG_SCHED_DEBUG
197 	BUG_ON(p != current);
198 #endif /* CONFIG_SCHED_DEBUG */
199 
200 	/*
201 	 * Preemption ignores task state, therefore preempted tasks are always
202 	 * RUNNING (we will not have dequeued if state != RUNNING).
203 	 */
204 	if (preempt)
205 		return TASK_REPORT_MAX;
206 
207 	/*
208 	 * task_state_index() uses fls() and returns a value from 0-8 range.
209 	 * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
210 	 * it for left shift operation to get the correct task->state
211 	 * mapping.
212 	 */
213 	state = task_state_index(p);
214 
215 	return state ? (1 << (state - 1)) : state;
216 }
217 #endif /* CREATE_TRACE_POINTS */
218 
219 /*
220  * Tracepoint for task switches, performed by the scheduler:
221  */
222 TRACE_EVENT(sched_switch,
223 
224 	TP_PROTO(bool preempt,
225 		 struct task_struct *prev,
226 		 struct task_struct *next),
227 
228 	TP_ARGS(preempt, prev, next),
229 
230 	TP_STRUCT__entry(
231 		__array(	char,	prev_comm,	TASK_COMM_LEN	)
232 		__field(	pid_t,	prev_pid			)
233 		__field(	int,	prev_prio			)
234 		__field(	long,	prev_state			)
235 		__array(	char,	next_comm,	TASK_COMM_LEN	)
236 		__field(	pid_t,	next_pid			)
237 		__field(	int,	next_prio			)
238 	),
239 
240 	TP_fast_assign(
241 		memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
242 		__entry->prev_pid	= prev->pid;
243 		__entry->prev_prio	= prev->prio;
244 		__entry->prev_state	= __trace_sched_switch_state(preempt, prev);
245 		memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
246 		__entry->next_pid	= next->pid;
247 		__entry->next_prio	= next->prio;
248 		/* XXX SCHED_DEADLINE */
249 	),
250 
251 	TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
252 		__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
253 
254 		(__entry->prev_state & (TASK_REPORT_MAX - 1)) ?
255 		  __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|",
256 				{ TASK_INTERRUPTIBLE, "S" },
257 				{ TASK_UNINTERRUPTIBLE, "D" },
258 				{ __TASK_STOPPED, "T" },
259 				{ __TASK_TRACED, "t" },
260 				{ EXIT_DEAD, "X" },
261 				{ EXIT_ZOMBIE, "Z" },
262 				{ TASK_PARKED, "P" },
263 				{ TASK_DEAD, "I" }) :
264 		  "R",
265 
266 		__entry->prev_state & TASK_REPORT_MAX ? "+" : "",
267 		__entry->next_comm, __entry->next_pid, __entry->next_prio)
268 );
269 
270 /*
271  * Tracepoint for a task being migrated:
272  */
273 TRACE_EVENT(sched_migrate_task,
274 
275 	TP_PROTO(struct task_struct *p, int dest_cpu),
276 
277 	TP_ARGS(p, dest_cpu),
278 
279 	TP_STRUCT__entry(
280 		__array(	char,	comm,	TASK_COMM_LEN	)
281 		__field(	pid_t,	pid			)
282 		__field(	int,	prio			)
283 		__field(	int,	orig_cpu		)
284 		__field(	int,	dest_cpu		)
285 	),
286 
287 	TP_fast_assign(
288 		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
289 		__entry->pid		= p->pid;
290 		__entry->prio		= p->prio; /* XXX SCHED_DEADLINE */
291 		__entry->orig_cpu	= task_cpu(p);
292 		__entry->dest_cpu	= dest_cpu;
293 	),
294 
295 	TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
296 		  __entry->comm, __entry->pid, __entry->prio,
297 		  __entry->orig_cpu, __entry->dest_cpu)
298 );
299 
300 DECLARE_EVENT_CLASS(sched_process_template,
301 
302 	TP_PROTO(struct task_struct *p),
303 
304 	TP_ARGS(p),
305 
306 	TP_STRUCT__entry(
307 		__array(	char,	comm,	TASK_COMM_LEN	)
308 		__field(	pid_t,	pid			)
309 		__field(	int,	prio			)
310 	),
311 
312 	TP_fast_assign(
313 		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
314 		__entry->pid		= p->pid;
315 		__entry->prio		= p->prio; /* XXX SCHED_DEADLINE */
316 	),
317 
318 	TP_printk("comm=%s pid=%d prio=%d",
319 		  __entry->comm, __entry->pid, __entry->prio)
320 );
321 
322 /*
323  * Tracepoint for freeing a task:
324  */
325 DEFINE_EVENT(sched_process_template, sched_process_free,
326 	     TP_PROTO(struct task_struct *p),
327 	     TP_ARGS(p));
328 
329 /*
330  * Tracepoint for a task exiting:
331  */
332 DEFINE_EVENT(sched_process_template, sched_process_exit,
333 	     TP_PROTO(struct task_struct *p),
334 	     TP_ARGS(p));
335 
336 /*
337  * Tracepoint for waiting on task to unschedule:
338  */
339 DEFINE_EVENT(sched_process_template, sched_wait_task,
340 	TP_PROTO(struct task_struct *p),
341 	TP_ARGS(p));
342 
343 /*
344  * Tracepoint for a waiting task:
345  */
346 TRACE_EVENT(sched_process_wait,
347 
348 	TP_PROTO(struct pid *pid),
349 
350 	TP_ARGS(pid),
351 
352 	TP_STRUCT__entry(
353 		__array(	char,	comm,	TASK_COMM_LEN	)
354 		__field(	pid_t,	pid			)
355 		__field(	int,	prio			)
356 	),
357 
358 	TP_fast_assign(
359 		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
360 		__entry->pid		= pid_nr(pid);
361 		__entry->prio		= current->prio; /* XXX SCHED_DEADLINE */
362 	),
363 
364 	TP_printk("comm=%s pid=%d prio=%d",
365 		  __entry->comm, __entry->pid, __entry->prio)
366 );
367 
368 /*
369  * Tracepoint for kernel_clone:
370  */
371 TRACE_EVENT(sched_process_fork,
372 
373 	TP_PROTO(struct task_struct *parent, struct task_struct *child),
374 
375 	TP_ARGS(parent, child),
376 
377 	TP_STRUCT__entry(
378 		__array(	char,	parent_comm,	TASK_COMM_LEN	)
379 		__field(	pid_t,	parent_pid			)
380 		__array(	char,	child_comm,	TASK_COMM_LEN	)
381 		__field(	pid_t,	child_pid			)
382 	),
383 
384 	TP_fast_assign(
385 		memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
386 		__entry->parent_pid	= parent->pid;
387 		memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
388 		__entry->child_pid	= child->pid;
389 	),
390 
391 	TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
392 		__entry->parent_comm, __entry->parent_pid,
393 		__entry->child_comm, __entry->child_pid)
394 );
395 
396 /*
397  * Tracepoint for exec:
398  */
399 TRACE_EVENT(sched_process_exec,
400 
401 	TP_PROTO(struct task_struct *p, pid_t old_pid,
402 		 struct linux_binprm *bprm),
403 
404 	TP_ARGS(p, old_pid, bprm),
405 
406 	TP_STRUCT__entry(
407 		__string(	filename,	bprm->filename	)
408 		__field(	pid_t,		pid		)
409 		__field(	pid_t,		old_pid		)
410 	),
411 
412 	TP_fast_assign(
413 		__assign_str(filename, bprm->filename);
414 		__entry->pid		= p->pid;
415 		__entry->old_pid	= old_pid;
416 	),
417 
418 	TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
419 		  __entry->pid, __entry->old_pid)
420 );
421 
422 
423 #ifdef CONFIG_SCHEDSTATS
424 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT
425 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS
426 #else
427 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT_NOP
428 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS_NOP
429 #endif
430 
431 /*
432  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
433  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
434  */
435 DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
436 
437 	TP_PROTO(struct task_struct *tsk, u64 delay),
438 
439 	TP_ARGS(__perf_task(tsk), __perf_count(delay)),
440 
441 	TP_STRUCT__entry(
442 		__array( char,	comm,	TASK_COMM_LEN	)
443 		__field( pid_t,	pid			)
444 		__field( u64,	delay			)
445 	),
446 
447 	TP_fast_assign(
448 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
449 		__entry->pid	= tsk->pid;
450 		__entry->delay	= delay;
451 	),
452 
453 	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
454 			__entry->comm, __entry->pid,
455 			(unsigned long long)__entry->delay)
456 );
457 
458 /*
459  * Tracepoint for accounting wait time (time the task is runnable
460  * but not actually running due to scheduler contention).
461  */
462 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_wait,
463 	     TP_PROTO(struct task_struct *tsk, u64 delay),
464 	     TP_ARGS(tsk, delay));
465 
466 /*
467  * Tracepoint for accounting sleep time (time the task is not runnable,
468  * including iowait, see below).
469  */
470 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_sleep,
471 	     TP_PROTO(struct task_struct *tsk, u64 delay),
472 	     TP_ARGS(tsk, delay));
473 
474 /*
475  * Tracepoint for accounting iowait time (time the task is not runnable
476  * due to waiting on IO to complete).
477  */
478 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_iowait,
479 	     TP_PROTO(struct task_struct *tsk, u64 delay),
480 	     TP_ARGS(tsk, delay));
481 
482 /*
483  * Tracepoint for accounting blocked time (time the task is in uninterruptible).
484  */
485 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
486 	     TP_PROTO(struct task_struct *tsk, u64 delay),
487 	     TP_ARGS(tsk, delay));
488 
489 /*
490  * Tracepoint for accounting runtime (time the task is executing
491  * on a CPU).
492  */
493 DECLARE_EVENT_CLASS(sched_stat_runtime,
494 
495 	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
496 
497 	TP_ARGS(tsk, __perf_count(runtime), vruntime),
498 
499 	TP_STRUCT__entry(
500 		__array( char,	comm,	TASK_COMM_LEN	)
501 		__field( pid_t,	pid			)
502 		__field( u64,	runtime			)
503 		__field( u64,	vruntime			)
504 	),
505 
506 	TP_fast_assign(
507 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
508 		__entry->pid		= tsk->pid;
509 		__entry->runtime	= runtime;
510 		__entry->vruntime	= vruntime;
511 	),
512 
513 	TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
514 			__entry->comm, __entry->pid,
515 			(unsigned long long)__entry->runtime,
516 			(unsigned long long)__entry->vruntime)
517 );
518 
519 DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
520 	     TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
521 	     TP_ARGS(tsk, runtime, vruntime));
522 
523 /*
524  * Tracepoint for showing priority inheritance modifying a tasks
525  * priority.
526  */
527 TRACE_EVENT(sched_pi_setprio,
528 
529 	TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
530 
531 	TP_ARGS(tsk, pi_task),
532 
533 	TP_STRUCT__entry(
534 		__array( char,	comm,	TASK_COMM_LEN	)
535 		__field( pid_t,	pid			)
536 		__field( int,	oldprio			)
537 		__field( int,	newprio			)
538 	),
539 
540 	TP_fast_assign(
541 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
542 		__entry->pid		= tsk->pid;
543 		__entry->oldprio	= tsk->prio;
544 		__entry->newprio	= pi_task ?
545 				min(tsk->normal_prio, pi_task->prio) :
546 				tsk->normal_prio;
547 		/* XXX SCHED_DEADLINE bits missing */
548 	),
549 
550 	TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
551 			__entry->comm, __entry->pid,
552 			__entry->oldprio, __entry->newprio)
553 );
554 
555 #ifdef CONFIG_DETECT_HUNG_TASK
556 TRACE_EVENT(sched_process_hang,
557 	TP_PROTO(struct task_struct *tsk),
558 	TP_ARGS(tsk),
559 
560 	TP_STRUCT__entry(
561 		__array( char,	comm,	TASK_COMM_LEN	)
562 		__field( pid_t,	pid			)
563 	),
564 
565 	TP_fast_assign(
566 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
567 		__entry->pid = tsk->pid;
568 	),
569 
570 	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
571 );
572 #endif /* CONFIG_DETECT_HUNG_TASK */
573 
574 /*
575  * Tracks migration of tasks from one runqueue to another. Can be used to
576  * detect if automatic NUMA balancing is bouncing between nodes.
577  */
578 TRACE_EVENT(sched_move_numa,
579 
580 	TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
581 
582 	TP_ARGS(tsk, src_cpu, dst_cpu),
583 
584 	TP_STRUCT__entry(
585 		__field( pid_t,	pid			)
586 		__field( pid_t,	tgid			)
587 		__field( pid_t,	ngid			)
588 		__field( int,	src_cpu			)
589 		__field( int,	src_nid			)
590 		__field( int,	dst_cpu			)
591 		__field( int,	dst_nid			)
592 	),
593 
594 	TP_fast_assign(
595 		__entry->pid		= task_pid_nr(tsk);
596 		__entry->tgid		= task_tgid_nr(tsk);
597 		__entry->ngid		= task_numa_group_id(tsk);
598 		__entry->src_cpu	= src_cpu;
599 		__entry->src_nid	= cpu_to_node(src_cpu);
600 		__entry->dst_cpu	= dst_cpu;
601 		__entry->dst_nid	= cpu_to_node(dst_cpu);
602 	),
603 
604 	TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
605 			__entry->pid, __entry->tgid, __entry->ngid,
606 			__entry->src_cpu, __entry->src_nid,
607 			__entry->dst_cpu, __entry->dst_nid)
608 );
609 
610 DECLARE_EVENT_CLASS(sched_numa_pair_template,
611 
612 	TP_PROTO(struct task_struct *src_tsk, int src_cpu,
613 		 struct task_struct *dst_tsk, int dst_cpu),
614 
615 	TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
616 
617 	TP_STRUCT__entry(
618 		__field( pid_t,	src_pid			)
619 		__field( pid_t,	src_tgid		)
620 		__field( pid_t,	src_ngid		)
621 		__field( int,	src_cpu			)
622 		__field( int,	src_nid			)
623 		__field( pid_t,	dst_pid			)
624 		__field( pid_t,	dst_tgid		)
625 		__field( pid_t,	dst_ngid		)
626 		__field( int,	dst_cpu			)
627 		__field( int,	dst_nid			)
628 	),
629 
630 	TP_fast_assign(
631 		__entry->src_pid	= task_pid_nr(src_tsk);
632 		__entry->src_tgid	= task_tgid_nr(src_tsk);
633 		__entry->src_ngid	= task_numa_group_id(src_tsk);
634 		__entry->src_cpu	= src_cpu;
635 		__entry->src_nid	= cpu_to_node(src_cpu);
636 		__entry->dst_pid	= dst_tsk ? task_pid_nr(dst_tsk) : 0;
637 		__entry->dst_tgid	= dst_tsk ? task_tgid_nr(dst_tsk) : 0;
638 		__entry->dst_ngid	= dst_tsk ? task_numa_group_id(dst_tsk) : 0;
639 		__entry->dst_cpu	= dst_cpu;
640 		__entry->dst_nid	= dst_cpu >= 0 ? cpu_to_node(dst_cpu) : -1;
641 	),
642 
643 	TP_printk("src_pid=%d src_tgid=%d src_ngid=%d src_cpu=%d src_nid=%d dst_pid=%d dst_tgid=%d dst_ngid=%d dst_cpu=%d dst_nid=%d",
644 			__entry->src_pid, __entry->src_tgid, __entry->src_ngid,
645 			__entry->src_cpu, __entry->src_nid,
646 			__entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
647 			__entry->dst_cpu, __entry->dst_nid)
648 );
649 
650 DEFINE_EVENT(sched_numa_pair_template, sched_stick_numa,
651 
652 	TP_PROTO(struct task_struct *src_tsk, int src_cpu,
653 		 struct task_struct *dst_tsk, int dst_cpu),
654 
655 	TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
656 );
657 
658 DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa,
659 
660 	TP_PROTO(struct task_struct *src_tsk, int src_cpu,
661 		 struct task_struct *dst_tsk, int dst_cpu),
662 
663 	TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
664 );
665 
666 
667 /*
668  * Tracepoint for waking a polling cpu without an IPI.
669  */
670 TRACE_EVENT(sched_wake_idle_without_ipi,
671 
672 	TP_PROTO(int cpu),
673 
674 	TP_ARGS(cpu),
675 
676 	TP_STRUCT__entry(
677 		__field(	int,	cpu	)
678 	),
679 
680 	TP_fast_assign(
681 		__entry->cpu	= cpu;
682 	),
683 
684 	TP_printk("cpu=%d", __entry->cpu)
685 );
686 
687 /*
688  * Following tracepoints are not exported in tracefs and provide hooking
689  * mechanisms only for testing and debugging purposes.
690  *
691  * Postfixed with _tp to make them easily identifiable in the code.
692  */
693 DECLARE_TRACE(pelt_cfs_tp,
694 	TP_PROTO(struct cfs_rq *cfs_rq),
695 	TP_ARGS(cfs_rq));
696 
697 DECLARE_TRACE(pelt_rt_tp,
698 	TP_PROTO(struct rq *rq),
699 	TP_ARGS(rq));
700 
701 DECLARE_TRACE(pelt_dl_tp,
702 	TP_PROTO(struct rq *rq),
703 	TP_ARGS(rq));
704 
705 DECLARE_TRACE(pelt_thermal_tp,
706 	TP_PROTO(struct rq *rq),
707 	TP_ARGS(rq));
708 
709 DECLARE_TRACE(pelt_irq_tp,
710 	TP_PROTO(struct rq *rq),
711 	TP_ARGS(rq));
712 
713 DECLARE_TRACE(pelt_se_tp,
714 	TP_PROTO(struct sched_entity *se),
715 	TP_ARGS(se));
716 
717 DECLARE_TRACE(sched_cpu_capacity_tp,
718 	TP_PROTO(struct rq *rq),
719 	TP_ARGS(rq));
720 
721 DECLARE_TRACE(sched_overutilized_tp,
722 	TP_PROTO(struct root_domain *rd, bool overutilized),
723 	TP_ARGS(rd, overutilized));
724 
725 DECLARE_TRACE(sched_util_est_cfs_tp,
726 	TP_PROTO(struct cfs_rq *cfs_rq),
727 	TP_ARGS(cfs_rq));
728 
729 DECLARE_TRACE(sched_util_est_se_tp,
730 	TP_PROTO(struct sched_entity *se),
731 	TP_ARGS(se));
732 
733 DECLARE_TRACE(sched_update_nr_running_tp,
734 	TP_PROTO(struct rq *rq, int change),
735 	TP_ARGS(rq, change));
736 
737 #endif /* _TRACE_SCHED_H */
738 
739 /* This part must be outside protection */
740 #include <trace/define_trace.h>
741