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
__trace_sched_switch_state(bool preempt,unsigned int prev_state,struct task_struct * p)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->next_comm, next->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->prev_comm, prev->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, bprm->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 #ifdef CONFIG_SCHEDSTATS
425 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT
426 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS
427 #else
428 #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT_NOP
429 #define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS_NOP
430 #endif
431 
432 /*
433  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
434  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
435  */
436 DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
437 
438 	TP_PROTO(struct task_struct *tsk, u64 delay),
439 
440 	TP_ARGS(__perf_task(tsk), __perf_count(delay)),
441 
442 	TP_STRUCT__entry(
443 		__array( char,	comm,	TASK_COMM_LEN	)
444 		__field( pid_t,	pid			)
445 		__field( u64,	delay			)
446 	),
447 
448 	TP_fast_assign(
449 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
450 		__entry->pid	= tsk->pid;
451 		__entry->delay	= delay;
452 	),
453 
454 	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
455 			__entry->comm, __entry->pid,
456 			(unsigned long long)__entry->delay)
457 );
458 
459 /*
460  * Tracepoint for accounting wait time (time the task is runnable
461  * but not actually running due to scheduler contention).
462  */
463 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_wait,
464 	     TP_PROTO(struct task_struct *tsk, u64 delay),
465 	     TP_ARGS(tsk, delay));
466 
467 /*
468  * Tracepoint for accounting sleep time (time the task is not runnable,
469  * including iowait, see below).
470  */
471 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_sleep,
472 	     TP_PROTO(struct task_struct *tsk, u64 delay),
473 	     TP_ARGS(tsk, delay));
474 
475 /*
476  * Tracepoint for accounting iowait time (time the task is not runnable
477  * due to waiting on IO to complete).
478  */
479 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_iowait,
480 	     TP_PROTO(struct task_struct *tsk, u64 delay),
481 	     TP_ARGS(tsk, delay));
482 
483 /*
484  * Tracepoint for accounting blocked time (time the task is in uninterruptible).
485  */
486 DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
487 	     TP_PROTO(struct task_struct *tsk, u64 delay),
488 	     TP_ARGS(tsk, delay));
489 
490 /*
491  * Tracepoint for accounting runtime (time the task is executing
492  * on a CPU).
493  */
494 DECLARE_EVENT_CLASS(sched_stat_runtime,
495 
496 	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
497 
498 	TP_ARGS(tsk, __perf_count(runtime), vruntime),
499 
500 	TP_STRUCT__entry(
501 		__array( char,	comm,	TASK_COMM_LEN	)
502 		__field( pid_t,	pid			)
503 		__field( u64,	runtime			)
504 		__field( u64,	vruntime			)
505 	),
506 
507 	TP_fast_assign(
508 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
509 		__entry->pid		= tsk->pid;
510 		__entry->runtime	= runtime;
511 		__entry->vruntime	= vruntime;
512 	),
513 
514 	TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
515 			__entry->comm, __entry->pid,
516 			(unsigned long long)__entry->runtime,
517 			(unsigned long long)__entry->vruntime)
518 );
519 
520 DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
521 	     TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
522 	     TP_ARGS(tsk, runtime, vruntime));
523 
524 /*
525  * Tracepoint for showing priority inheritance modifying a tasks
526  * priority.
527  */
528 TRACE_EVENT(sched_pi_setprio,
529 
530 	TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
531 
532 	TP_ARGS(tsk, pi_task),
533 
534 	TP_STRUCT__entry(
535 		__array( char,	comm,	TASK_COMM_LEN	)
536 		__field( pid_t,	pid			)
537 		__field( int,	oldprio			)
538 		__field( int,	newprio			)
539 	),
540 
541 	TP_fast_assign(
542 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
543 		__entry->pid		= tsk->pid;
544 		__entry->oldprio	= tsk->prio;
545 		__entry->newprio	= pi_task ?
546 				min(tsk->normal_prio, pi_task->prio) :
547 				tsk->normal_prio;
548 		/* XXX SCHED_DEADLINE bits missing */
549 	),
550 
551 	TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
552 			__entry->comm, __entry->pid,
553 			__entry->oldprio, __entry->newprio)
554 );
555 
556 #ifdef CONFIG_DETECT_HUNG_TASK
557 TRACE_EVENT(sched_process_hang,
558 	TP_PROTO(struct task_struct *tsk),
559 	TP_ARGS(tsk),
560 
561 	TP_STRUCT__entry(
562 		__array( char,	comm,	TASK_COMM_LEN	)
563 		__field( pid_t,	pid			)
564 	),
565 
566 	TP_fast_assign(
567 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
568 		__entry->pid = tsk->pid;
569 	),
570 
571 	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
572 );
573 #endif /* CONFIG_DETECT_HUNG_TASK */
574 
575 /*
576  * Tracks migration of tasks from one runqueue to another. Can be used to
577  * detect if automatic NUMA balancing is bouncing between nodes.
578  */
579 TRACE_EVENT(sched_move_numa,
580 
581 	TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
582 
583 	TP_ARGS(tsk, src_cpu, dst_cpu),
584 
585 	TP_STRUCT__entry(
586 		__field( pid_t,	pid			)
587 		__field( pid_t,	tgid			)
588 		__field( pid_t,	ngid			)
589 		__field( int,	src_cpu			)
590 		__field( int,	src_nid			)
591 		__field( int,	dst_cpu			)
592 		__field( int,	dst_nid			)
593 	),
594 
595 	TP_fast_assign(
596 		__entry->pid		= task_pid_nr(tsk);
597 		__entry->tgid		= task_tgid_nr(tsk);
598 		__entry->ngid		= task_numa_group_id(tsk);
599 		__entry->src_cpu	= src_cpu;
600 		__entry->src_nid	= cpu_to_node(src_cpu);
601 		__entry->dst_cpu	= dst_cpu;
602 		__entry->dst_nid	= cpu_to_node(dst_cpu);
603 	),
604 
605 	TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
606 			__entry->pid, __entry->tgid, __entry->ngid,
607 			__entry->src_cpu, __entry->src_nid,
608 			__entry->dst_cpu, __entry->dst_nid)
609 );
610 
611 DECLARE_EVENT_CLASS(sched_numa_pair_template,
612 
613 	TP_PROTO(struct task_struct *src_tsk, int src_cpu,
614 		 struct task_struct *dst_tsk, int dst_cpu),
615 
616 	TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
617 
618 	TP_STRUCT__entry(
619 		__field( pid_t,	src_pid			)
620 		__field( pid_t,	src_tgid		)
621 		__field( pid_t,	src_ngid		)
622 		__field( int,	src_cpu			)
623 		__field( int,	src_nid			)
624 		__field( pid_t,	dst_pid			)
625 		__field( pid_t,	dst_tgid		)
626 		__field( pid_t,	dst_ngid		)
627 		__field( int,	dst_cpu			)
628 		__field( int,	dst_nid			)
629 	),
630 
631 	TP_fast_assign(
632 		__entry->src_pid	= task_pid_nr(src_tsk);
633 		__entry->src_tgid	= task_tgid_nr(src_tsk);
634 		__entry->src_ngid	= task_numa_group_id(src_tsk);
635 		__entry->src_cpu	= src_cpu;
636 		__entry->src_nid	= cpu_to_node(src_cpu);
637 		__entry->dst_pid	= dst_tsk ? task_pid_nr(dst_tsk) : 0;
638 		__entry->dst_tgid	= dst_tsk ? task_tgid_nr(dst_tsk) : 0;
639 		__entry->dst_ngid	= dst_tsk ? task_numa_group_id(dst_tsk) : 0;
640 		__entry->dst_cpu	= dst_cpu;
641 		__entry->dst_nid	= dst_cpu >= 0 ? cpu_to_node(dst_cpu) : -1;
642 	),
643 
644 	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",
645 			__entry->src_pid, __entry->src_tgid, __entry->src_ngid,
646 			__entry->src_cpu, __entry->src_nid,
647 			__entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
648 			__entry->dst_cpu, __entry->dst_nid)
649 );
650 
651 DEFINE_EVENT(sched_numa_pair_template, sched_stick_numa,
652 
653 	TP_PROTO(struct task_struct *src_tsk, int src_cpu,
654 		 struct task_struct *dst_tsk, int dst_cpu),
655 
656 	TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
657 );
658 
659 DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa,
660 
661 	TP_PROTO(struct task_struct *src_tsk, int src_cpu,
662 		 struct task_struct *dst_tsk, int dst_cpu),
663 
664 	TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
665 );
666 
667 
668 /*
669  * Tracepoint for waking a polling cpu without an IPI.
670  */
671 TRACE_EVENT(sched_wake_idle_without_ipi,
672 
673 	TP_PROTO(int cpu),
674 
675 	TP_ARGS(cpu),
676 
677 	TP_STRUCT__entry(
678 		__field(	int,	cpu	)
679 	),
680 
681 	TP_fast_assign(
682 		__entry->cpu	= cpu;
683 	),
684 
685 	TP_printk("cpu=%d", __entry->cpu)
686 );
687 
688 /*
689  * Following tracepoints are not exported in tracefs and provide hooking
690  * mechanisms only for testing and debugging purposes.
691  *
692  * Postfixed with _tp to make them easily identifiable in the code.
693  */
694 DECLARE_TRACE(pelt_cfs_tp,
695 	TP_PROTO(struct cfs_rq *cfs_rq),
696 	TP_ARGS(cfs_rq));
697 
698 DECLARE_TRACE(pelt_rt_tp,
699 	TP_PROTO(struct rq *rq),
700 	TP_ARGS(rq));
701 
702 DECLARE_TRACE(pelt_dl_tp,
703 	TP_PROTO(struct rq *rq),
704 	TP_ARGS(rq));
705 
706 DECLARE_TRACE(pelt_thermal_tp,
707 	TP_PROTO(struct rq *rq),
708 	TP_ARGS(rq));
709 
710 DECLARE_TRACE(pelt_irq_tp,
711 	TP_PROTO(struct rq *rq),
712 	TP_ARGS(rq));
713 
714 DECLARE_TRACE(pelt_se_tp,
715 	TP_PROTO(struct sched_entity *se),
716 	TP_ARGS(se));
717 
718 DECLARE_TRACE(sched_cpu_capacity_tp,
719 	TP_PROTO(struct rq *rq),
720 	TP_ARGS(rq));
721 
722 DECLARE_TRACE(sched_overutilized_tp,
723 	TP_PROTO(struct root_domain *rd, bool overutilized),
724 	TP_ARGS(rd, overutilized));
725 
726 DECLARE_TRACE(sched_util_est_cfs_tp,
727 	TP_PROTO(struct cfs_rq *cfs_rq),
728 	TP_ARGS(cfs_rq));
729 
730 DECLARE_TRACE(sched_util_est_se_tp,
731 	TP_PROTO(struct sched_entity *se),
732 	TP_ARGS(se));
733 
734 DECLARE_TRACE(sched_update_nr_running_tp,
735 	TP_PROTO(struct rq *rq, int change),
736 	TP_ARGS(rq, change));
737 
738 #endif /* _TRACE_SCHED_H */
739 
740 /* This part must be outside protection */
741 #include <trace/define_trace.h>
742