1
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/sched/numa_balancing.h>
9#include <linux/tracepoint.h>
10#include <linux/binfmts.h>
11
12
13
14
15TRACE_EVENT(sched_kthread_stop,
16
17 TP_PROTO(struct task_struct *t),
18
19 TP_ARGS(t),
20
21 TP_STRUCT__entry(
22 __array( char, comm, TASK_COMM_LEN )
23 __field( pid_t, pid )
24 ),
25
26 TP_fast_assign(
27 memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
28 __entry->pid = t->pid;
29 ),
30
31 TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
32);
33
34
35
36
37TRACE_EVENT(sched_kthread_stop_ret,
38
39 TP_PROTO(int ret),
40
41 TP_ARGS(ret),
42
43 TP_STRUCT__entry(
44 __field( int, ret )
45 ),
46
47 TP_fast_assign(
48 __entry->ret = ret;
49 ),
50
51 TP_printk("ret=%d", __entry->ret)
52);
53
54
55
56
57DECLARE_EVENT_CLASS(sched_wakeup_template,
58
59 TP_PROTO(struct task_struct *p),
60
61 TP_ARGS(__perf_task(p)),
62
63 TP_STRUCT__entry(
64 __array( char, comm, TASK_COMM_LEN )
65 __field( pid_t, pid )
66 __field( int, prio )
67 __field( int, success )
68 __field( int, target_cpu )
69 ),
70
71 TP_fast_assign(
72 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
73 __entry->pid = p->pid;
74 __entry->prio = p->prio;
75 __entry->success = 1;
76 __entry->target_cpu = task_cpu(p);
77 ),
78
79 TP_printk("comm=%s pid=%d prio=%d target_cpu=%03d",
80 __entry->comm, __entry->pid, __entry->prio,
81 __entry->target_cpu)
82);
83
84
85
86
87
88DEFINE_EVENT(sched_wakeup_template, sched_waking,
89 TP_PROTO(struct task_struct *p),
90 TP_ARGS(p));
91
92
93
94
95
96DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
97 TP_PROTO(struct task_struct *p),
98 TP_ARGS(p));
99
100
101
102
103DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
104 TP_PROTO(struct task_struct *p),
105 TP_ARGS(p));
106
107#ifdef CREATE_TRACE_POINTS
108static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
109{
110 unsigned int state;
111
112#ifdef CONFIG_SCHED_DEBUG
113 BUG_ON(p != current);
114#endif
115
116
117
118
119
120 if (preempt)
121 return TASK_REPORT_MAX;
122
123
124
125
126
127
128
129 state = task_state_index(p);
130
131 return state ? (1 << (state - 1)) : state;
132}
133#endif
134
135
136
137
138TRACE_EVENT(sched_switch,
139
140 TP_PROTO(bool preempt,
141 struct task_struct *prev,
142 struct task_struct *next),
143
144 TP_ARGS(preempt, prev, next),
145
146 TP_STRUCT__entry(
147 __array( char, prev_comm, TASK_COMM_LEN )
148 __field( pid_t, prev_pid )
149 __field( int, prev_prio )
150 __field( long, prev_state )
151 __array( char, next_comm, TASK_COMM_LEN )
152 __field( pid_t, next_pid )
153 __field( int, next_prio )
154 ),
155
156 TP_fast_assign(
157 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
158 __entry->prev_pid = prev->pid;
159 __entry->prev_prio = prev->prio;
160 __entry->prev_state = __trace_sched_switch_state(preempt, prev);
161 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
162 __entry->next_pid = next->pid;
163 __entry->next_prio = next->prio;
164
165 ),
166
167 TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
168 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
169
170 (__entry->prev_state & (TASK_REPORT_MAX - 1)) ?
171 __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|",
172 { TASK_INTERRUPTIBLE, "S" },
173 { TASK_UNINTERRUPTIBLE, "D" },
174 { __TASK_STOPPED, "T" },
175 { __TASK_TRACED, "t" },
176 { EXIT_DEAD, "X" },
177 { EXIT_ZOMBIE, "Z" },
178 { TASK_PARKED, "P" },
179 { TASK_DEAD, "I" }) :
180 "R",
181
182 __entry->prev_state & TASK_REPORT_MAX ? "+" : "",
183 __entry->next_comm, __entry->next_pid, __entry->next_prio)
184);
185
186
187
188
189TRACE_EVENT(sched_migrate_task,
190
191 TP_PROTO(struct task_struct *p, int dest_cpu),
192
193 TP_ARGS(p, dest_cpu),
194
195 TP_STRUCT__entry(
196 __array( char, comm, TASK_COMM_LEN )
197 __field( pid_t, pid )
198 __field( int, prio )
199 __field( int, orig_cpu )
200 __field( int, dest_cpu )
201 ),
202
203 TP_fast_assign(
204 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
205 __entry->pid = p->pid;
206 __entry->prio = p->prio;
207 __entry->orig_cpu = task_cpu(p);
208 __entry->dest_cpu = dest_cpu;
209 ),
210
211 TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
212 __entry->comm, __entry->pid, __entry->prio,
213 __entry->orig_cpu, __entry->dest_cpu)
214);
215
216DECLARE_EVENT_CLASS(sched_process_template,
217
218 TP_PROTO(struct task_struct *p),
219
220 TP_ARGS(p),
221
222 TP_STRUCT__entry(
223 __array( char, comm, TASK_COMM_LEN )
224 __field( pid_t, pid )
225 __field( int, prio )
226 ),
227
228 TP_fast_assign(
229 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
230 __entry->pid = p->pid;
231 __entry->prio = p->prio;
232 ),
233
234 TP_printk("comm=%s pid=%d prio=%d",
235 __entry->comm, __entry->pid, __entry->prio)
236);
237
238
239
240
241DEFINE_EVENT(sched_process_template, sched_process_free,
242 TP_PROTO(struct task_struct *p),
243 TP_ARGS(p));
244
245
246
247
248DEFINE_EVENT(sched_process_template, sched_process_exit,
249 TP_PROTO(struct task_struct *p),
250 TP_ARGS(p));
251
252
253
254
255DEFINE_EVENT(sched_process_template, sched_wait_task,
256 TP_PROTO(struct task_struct *p),
257 TP_ARGS(p));
258
259
260
261
262TRACE_EVENT(sched_process_wait,
263
264 TP_PROTO(struct pid *pid),
265
266 TP_ARGS(pid),
267
268 TP_STRUCT__entry(
269 __array( char, comm, TASK_COMM_LEN )
270 __field( pid_t, pid )
271 __field( int, prio )
272 ),
273
274 TP_fast_assign(
275 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
276 __entry->pid = pid_nr(pid);
277 __entry->prio = current->prio;
278 ),
279
280 TP_printk("comm=%s pid=%d prio=%d",
281 __entry->comm, __entry->pid, __entry->prio)
282);
283
284
285
286
287TRACE_EVENT(sched_process_fork,
288
289 TP_PROTO(struct task_struct *parent, struct task_struct *child),
290
291 TP_ARGS(parent, child),
292
293 TP_STRUCT__entry(
294 __array( char, parent_comm, TASK_COMM_LEN )
295 __field( pid_t, parent_pid )
296 __array( char, child_comm, TASK_COMM_LEN )
297 __field( pid_t, child_pid )
298 ),
299
300 TP_fast_assign(
301 memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
302 __entry->parent_pid = parent->pid;
303 memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
304 __entry->child_pid = child->pid;
305 ),
306
307 TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
308 __entry->parent_comm, __entry->parent_pid,
309 __entry->child_comm, __entry->child_pid)
310);
311
312
313
314
315TRACE_EVENT(sched_process_exec,
316
317 TP_PROTO(struct task_struct *p, pid_t old_pid,
318 struct linux_binprm *bprm),
319
320 TP_ARGS(p, old_pid, bprm),
321
322 TP_STRUCT__entry(
323 __string( filename, bprm->filename )
324 __field( pid_t, pid )
325 __field( pid_t, old_pid )
326 ),
327
328 TP_fast_assign(
329 __assign_str(filename, bprm->filename);
330 __entry->pid = p->pid;
331 __entry->old_pid = old_pid;
332 ),
333
334 TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
335 __entry->pid, __entry->old_pid)
336);
337
338
339#ifdef CONFIG_SCHEDSTATS
340#define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT
341#define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS
342#else
343#define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT_NOP
344#define DECLARE_EVENT_CLASS_SCHEDSTAT DECLARE_EVENT_CLASS_NOP
345#endif
346
347
348
349
350
351DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
352
353 TP_PROTO(struct task_struct *tsk, u64 delay),
354
355 TP_ARGS(__perf_task(tsk), __perf_count(delay)),
356
357 TP_STRUCT__entry(
358 __array( char, comm, TASK_COMM_LEN )
359 __field( pid_t, pid )
360 __field( u64, delay )
361 ),
362
363 TP_fast_assign(
364 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
365 __entry->pid = tsk->pid;
366 __entry->delay = delay;
367 ),
368
369 TP_printk("comm=%s pid=%d delay=%Lu [ns]",
370 __entry->comm, __entry->pid,
371 (unsigned long long)__entry->delay)
372);
373
374
375
376
377
378DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_wait,
379 TP_PROTO(struct task_struct *tsk, u64 delay),
380 TP_ARGS(tsk, delay));
381
382
383
384
385
386DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_sleep,
387 TP_PROTO(struct task_struct *tsk, u64 delay),
388 TP_ARGS(tsk, delay));
389
390
391
392
393
394DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_iowait,
395 TP_PROTO(struct task_struct *tsk, u64 delay),
396 TP_ARGS(tsk, delay));
397
398
399
400
401DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
402 TP_PROTO(struct task_struct *tsk, u64 delay),
403 TP_ARGS(tsk, delay));
404
405
406
407
408
409DECLARE_EVENT_CLASS(sched_stat_runtime,
410
411 TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
412
413 TP_ARGS(tsk, __perf_count(runtime), vruntime),
414
415 TP_STRUCT__entry(
416 __array( char, comm, TASK_COMM_LEN )
417 __field( pid_t, pid )
418 __field( u64, runtime )
419 __field( u64, vruntime )
420 ),
421
422 TP_fast_assign(
423 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
424 __entry->pid = tsk->pid;
425 __entry->runtime = runtime;
426 __entry->vruntime = vruntime;
427 ),
428
429 TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
430 __entry->comm, __entry->pid,
431 (unsigned long long)__entry->runtime,
432 (unsigned long long)__entry->vruntime)
433);
434
435DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
436 TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
437 TP_ARGS(tsk, runtime, vruntime));
438
439
440
441
442
443TRACE_EVENT(sched_pi_setprio,
444
445 TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
446
447 TP_ARGS(tsk, pi_task),
448
449 TP_STRUCT__entry(
450 __array( char, comm, TASK_COMM_LEN )
451 __field( pid_t, pid )
452 __field( int, oldprio )
453 __field( int, newprio )
454 ),
455
456 TP_fast_assign(
457 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
458 __entry->pid = tsk->pid;
459 __entry->oldprio = tsk->prio;
460 __entry->newprio = pi_task ?
461 min(tsk->normal_prio, pi_task->prio) :
462 tsk->normal_prio;
463
464 ),
465
466 TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
467 __entry->comm, __entry->pid,
468 __entry->oldprio, __entry->newprio)
469);
470
471#ifdef CONFIG_DETECT_HUNG_TASK
472TRACE_EVENT(sched_process_hang,
473 TP_PROTO(struct task_struct *tsk),
474 TP_ARGS(tsk),
475
476 TP_STRUCT__entry(
477 __array( char, comm, TASK_COMM_LEN )
478 __field( pid_t, pid )
479 ),
480
481 TP_fast_assign(
482 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
483 __entry->pid = tsk->pid;
484 ),
485
486 TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
487);
488#endif
489
490
491
492
493
494TRACE_EVENT(sched_move_numa,
495
496 TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
497
498 TP_ARGS(tsk, src_cpu, dst_cpu),
499
500 TP_STRUCT__entry(
501 __field( pid_t, pid )
502 __field( pid_t, tgid )
503 __field( pid_t, ngid )
504 __field( int, src_cpu )
505 __field( int, src_nid )
506 __field( int, dst_cpu )
507 __field( int, dst_nid )
508 ),
509
510 TP_fast_assign(
511 __entry->pid = task_pid_nr(tsk);
512 __entry->tgid = task_tgid_nr(tsk);
513 __entry->ngid = task_numa_group_id(tsk);
514 __entry->src_cpu = src_cpu;
515 __entry->src_nid = cpu_to_node(src_cpu);
516 __entry->dst_cpu = dst_cpu;
517 __entry->dst_nid = cpu_to_node(dst_cpu);
518 ),
519
520 TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
521 __entry->pid, __entry->tgid, __entry->ngid,
522 __entry->src_cpu, __entry->src_nid,
523 __entry->dst_cpu, __entry->dst_nid)
524);
525
526DECLARE_EVENT_CLASS(sched_numa_pair_template,
527
528 TP_PROTO(struct task_struct *src_tsk, int src_cpu,
529 struct task_struct *dst_tsk, int dst_cpu),
530
531 TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
532
533 TP_STRUCT__entry(
534 __field( pid_t, src_pid )
535 __field( pid_t, src_tgid )
536 __field( pid_t, src_ngid )
537 __field( int, src_cpu )
538 __field( int, src_nid )
539 __field( pid_t, dst_pid )
540 __field( pid_t, dst_tgid )
541 __field( pid_t, dst_ngid )
542 __field( int, dst_cpu )
543 __field( int, dst_nid )
544 ),
545
546 TP_fast_assign(
547 __entry->src_pid = task_pid_nr(src_tsk);
548 __entry->src_tgid = task_tgid_nr(src_tsk);
549 __entry->src_ngid = task_numa_group_id(src_tsk);
550 __entry->src_cpu = src_cpu;
551 __entry->src_nid = cpu_to_node(src_cpu);
552 __entry->dst_pid = dst_tsk ? task_pid_nr(dst_tsk) : 0;
553 __entry->dst_tgid = dst_tsk ? task_tgid_nr(dst_tsk) : 0;
554 __entry->dst_ngid = dst_tsk ? task_numa_group_id(dst_tsk) : 0;
555 __entry->dst_cpu = dst_cpu;
556 __entry->dst_nid = dst_cpu >= 0 ? cpu_to_node(dst_cpu) : -1;
557 ),
558
559 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",
560 __entry->src_pid, __entry->src_tgid, __entry->src_ngid,
561 __entry->src_cpu, __entry->src_nid,
562 __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
563 __entry->dst_cpu, __entry->dst_nid)
564);
565
566DEFINE_EVENT(sched_numa_pair_template, sched_stick_numa,
567
568 TP_PROTO(struct task_struct *src_tsk, int src_cpu,
569 struct task_struct *dst_tsk, int dst_cpu),
570
571 TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
572);
573
574DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa,
575
576 TP_PROTO(struct task_struct *src_tsk, int src_cpu,
577 struct task_struct *dst_tsk, int dst_cpu),
578
579 TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu)
580);
581
582
583
584
585
586TRACE_EVENT(sched_wake_idle_without_ipi,
587
588 TP_PROTO(int cpu),
589
590 TP_ARGS(cpu),
591
592 TP_STRUCT__entry(
593 __field( int, cpu )
594 ),
595
596 TP_fast_assign(
597 __entry->cpu = cpu;
598 ),
599
600 TP_printk("cpu=%d", __entry->cpu)
601);
602
603
604
605
606
607
608
609DECLARE_TRACE(pelt_cfs_tp,
610 TP_PROTO(struct cfs_rq *cfs_rq),
611 TP_ARGS(cfs_rq));
612
613DECLARE_TRACE(pelt_rt_tp,
614 TP_PROTO(struct rq *rq),
615 TP_ARGS(rq));
616
617DECLARE_TRACE(pelt_dl_tp,
618 TP_PROTO(struct rq *rq),
619 TP_ARGS(rq));
620
621DECLARE_TRACE(pelt_thermal_tp,
622 TP_PROTO(struct rq *rq),
623 TP_ARGS(rq));
624
625DECLARE_TRACE(pelt_irq_tp,
626 TP_PROTO(struct rq *rq),
627 TP_ARGS(rq));
628
629DECLARE_TRACE(pelt_se_tp,
630 TP_PROTO(struct sched_entity *se),
631 TP_ARGS(se));
632
633DECLARE_TRACE(sched_overutilized_tp,
634 TP_PROTO(struct root_domain *rd, bool overutilized),
635 TP_ARGS(rd, overutilized));
636
637#endif
638
639
640#include <trace/define_trace.h>
641