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Linux 4.1.18
[linux/fpc-iii.git] / include / trace / events / sched.h
blob30fedaf3e56a253175619fbef7a9f9a1f6dc15a3
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM sched
3
4 #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_SCHED_H
6
7 #include <linux/sched.h>
8 #include <linux/tracepoint.h>
9 #include <linux/binfmts.h>
10
11 /*
12 * Tracepoint for calling kthread_stop, performed to end a kthread:
13 */
14 TRACE_EVENT(sched_kthread_stop,
15
16 TP_PROTO(struct task_struct *t),
17
18 TP_ARGS(t),
19
20 TP_STRUCT__entry(
21 __array( char, comm, TASK_COMM_LEN )
22 __field( pid_t, pid )
23 ),
24
25 TP_fast_assign(
26 memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
27 __entry->pid = t->pid;
28 ),
29
30 TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
31 );
32
33 /*
34 * Tracepoint for the return value of the kthread stopping:
35 */
36 TRACE_EVENT(sched_kthread_stop_ret,
37
38 TP_PROTO(int ret),
39
40 TP_ARGS(ret),
41
42 TP_STRUCT__entry(
43 __field( int, ret )
44 ),
45
46 TP_fast_assign(
47 __entry->ret = ret;
48 ),
49
50 TP_printk("ret=%d", __entry->ret)
51 );
52
53 /*
54 * Tracepoint for waking up a task:
55 */
56 DECLARE_EVENT_CLASS(sched_wakeup_template,
57
58 TP_PROTO(struct task_struct *p, int success),
59
60 TP_ARGS(__perf_task(p), success),
61
62 TP_STRUCT__entry(
63 __array( char, comm, TASK_COMM_LEN )
64 __field( pid_t, pid )
65 __field( int, prio )
66 __field( int, success )
67 __field( int, target_cpu )
68 ),
69
70 TP_fast_assign(
71 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
72 __entry->pid = p->pid;
73 __entry->prio = p->prio;
74 __entry->success = success;
75 __entry->target_cpu = task_cpu(p);
76 ),
77
78 TP_printk("comm=%s pid=%d prio=%d success=%d target_cpu=%03d",
79 __entry->comm, __entry->pid, __entry->prio,
80 __entry->success, __entry->target_cpu)
81 );
82
83 DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
84 TP_PROTO(struct task_struct *p, int success),
85 TP_ARGS(p, success));
86
87 /*
88 * Tracepoint for waking up a new task:
89 */
90 DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
91 TP_PROTO(struct task_struct *p, int success),
92 TP_ARGS(p, success));
93
94 #ifdef CREATE_TRACE_POINTS
95 static inline long __trace_sched_switch_state(struct task_struct *p)
96 {
97 long state = p->state;
98
99 #ifdef CONFIG_PREEMPT
100 #ifdef CONFIG_SCHED_DEBUG
101 BUG_ON(p != current);
102 #endif /* CONFIG_SCHED_DEBUG */
103 /*
104 * For all intents and purposes a preempted task is a running task.
105 */
106 if (preempt_count() & PREEMPT_ACTIVE)
107 state = TASK_RUNNING | TASK_STATE_MAX;
108 #endif /* CONFIG_PREEMPT */
109
110 return state;
111 }
112 #endif /* CREATE_TRACE_POINTS */
113
114 /*
115 * Tracepoint for task switches, performed by the scheduler:
116 */
117 TRACE_EVENT(sched_switch,
118
119 TP_PROTO(struct task_struct *prev,
120 struct task_struct *next),
121
122 TP_ARGS(prev, next),
123
124 TP_STRUCT__entry(
125 __array( char, prev_comm, TASK_COMM_LEN )
126 __field( pid_t, prev_pid )
127 __field( int, prev_prio )
128 __field( long, prev_state )
129 __array( char, next_comm, TASK_COMM_LEN )
130 __field( pid_t, next_pid )
131 __field( int, next_prio )
132 ),
133
134 TP_fast_assign(
135 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
136 __entry->prev_pid = prev->pid;
137 __entry->prev_prio = prev->prio;
138 __entry->prev_state = __trace_sched_switch_state(prev);
139 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
140 __entry->next_pid = next->pid;
141 __entry->next_prio = next->prio;
142 ),
143
144 TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
145 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
146 __entry->prev_state & (TASK_STATE_MAX-1) ?
147 __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|",
148 { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
149 { 16, "Z" }, { 32, "X" }, { 64, "x" },
150 { 128, "K" }, { 256, "W" }, { 512, "P" }) : "R",
151 __entry->prev_state & TASK_STATE_MAX ? "+" : "",
152 __entry->next_comm, __entry->next_pid, __entry->next_prio)
153 );
154
155 /*
156 * Tracepoint for a task being migrated:
157 */
158 TRACE_EVENT(sched_migrate_task,
159
160 TP_PROTO(struct task_struct *p, int dest_cpu),
161
162 TP_ARGS(p, dest_cpu),
163
164 TP_STRUCT__entry(
165 __array( char, comm, TASK_COMM_LEN )
166 __field( pid_t, pid )
167 __field( int, prio )
168 __field( int, orig_cpu )
169 __field( int, dest_cpu )
170 ),
171
172 TP_fast_assign(
173 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
174 __entry->pid = p->pid;
175 __entry->prio = p->prio;
176 __entry->orig_cpu = task_cpu(p);
177 __entry->dest_cpu = dest_cpu;
178 ),
179
180 TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
181 __entry->comm, __entry->pid, __entry->prio,
182 __entry->orig_cpu, __entry->dest_cpu)
183 );
184
185 DECLARE_EVENT_CLASS(sched_process_template,
186
187 TP_PROTO(struct task_struct *p),
188
189 TP_ARGS(p),
190
191 TP_STRUCT__entry(
192 __array( char, comm, TASK_COMM_LEN )
193 __field( pid_t, pid )
194 __field( int, prio )
195 ),
196
197 TP_fast_assign(
198 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
199 __entry->pid = p->pid;
200 __entry->prio = p->prio;
201 ),
202
203 TP_printk("comm=%s pid=%d prio=%d",
204 __entry->comm, __entry->pid, __entry->prio)
205 );
206
207 /*
208 * Tracepoint for freeing a task:
209 */
210 DEFINE_EVENT(sched_process_template, sched_process_free,
211 TP_PROTO(struct task_struct *p),
212 TP_ARGS(p));
213
214
215 /*
216 * Tracepoint for a task exiting:
217 */
218 DEFINE_EVENT(sched_process_template, sched_process_exit,
219 TP_PROTO(struct task_struct *p),
220 TP_ARGS(p));
221
222 /*
223 * Tracepoint for waiting on task to unschedule:
224 */
225 DEFINE_EVENT(sched_process_template, sched_wait_task,
226 TP_PROTO(struct task_struct *p),
227 TP_ARGS(p));
228
229 /*
230 * Tracepoint for a waiting task:
231 */
232 TRACE_EVENT(sched_process_wait,
233
234 TP_PROTO(struct pid *pid),
235
236 TP_ARGS(pid),
237
238 TP_STRUCT__entry(
239 __array( char, comm, TASK_COMM_LEN )
240 __field( pid_t, pid )
241 __field( int, prio )
242 ),
243
244 TP_fast_assign(
245 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
246 __entry->pid = pid_nr(pid);
247 __entry->prio = current->prio;
248 ),
249
250 TP_printk("comm=%s pid=%d prio=%d",
251 __entry->comm, __entry->pid, __entry->prio)
252 );
253
254 /*
255 * Tracepoint for do_fork:
256 */
257 TRACE_EVENT(sched_process_fork,
258
259 TP_PROTO(struct task_struct *parent, struct task_struct *child),
260
261 TP_ARGS(parent, child),
262
263 TP_STRUCT__entry(
264 __array( char, parent_comm, TASK_COMM_LEN )
265 __field( pid_t, parent_pid )
266 __array( char, child_comm, TASK_COMM_LEN )
267 __field( pid_t, child_pid )
268 ),
269
270 TP_fast_assign(
271 memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
272 __entry->parent_pid = parent->pid;
273 memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
274 __entry->child_pid = child->pid;
275 ),
276
277 TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
278 __entry->parent_comm, __entry->parent_pid,
279 __entry->child_comm, __entry->child_pid)
280 );
281
282 /*
283 * Tracepoint for exec:
284 */
285 TRACE_EVENT(sched_process_exec,
286
287 TP_PROTO(struct task_struct *p, pid_t old_pid,
288 struct linux_binprm *bprm),
289
290 TP_ARGS(p, old_pid, bprm),
291
292 TP_STRUCT__entry(
293 __string( filename, bprm->filename )
294 __field( pid_t, pid )
295 __field( pid_t, old_pid )
296 ),
297
298 TP_fast_assign(
299 __assign_str(filename, bprm->filename);
300 __entry->pid = p->pid;
301 __entry->old_pid = old_pid;
302 ),
303
304 TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
305 __entry->pid, __entry->old_pid)
306 );
307
308 /*
309 * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
310 * adding sched_stat support to SCHED_FIFO/RR would be welcome.
311 */
312 DECLARE_EVENT_CLASS(sched_stat_template,
313
314 TP_PROTO(struct task_struct *tsk, u64 delay),
315
316 TP_ARGS(__perf_task(tsk), __perf_count(delay)),
317
318 TP_STRUCT__entry(
319 __array( char, comm, TASK_COMM_LEN )
320 __field( pid_t, pid )
321 __field( u64, delay )
322 ),
323
324 TP_fast_assign(
325 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
326 __entry->pid = tsk->pid;
327 __entry->delay = delay;
328 ),
329
330 TP_printk("comm=%s pid=%d delay=%Lu [ns]",
331 __entry->comm, __entry->pid,
332 (unsigned long long)__entry->delay)
333 );
334
335
336 /*
337 * Tracepoint for accounting wait time (time the task is runnable
338 * but not actually running due to scheduler contention).
339 */
340 DEFINE_EVENT(sched_stat_template, sched_stat_wait,
341 TP_PROTO(struct task_struct *tsk, u64 delay),
342 TP_ARGS(tsk, delay));
343
344 /*
345 * Tracepoint for accounting sleep time (time the task is not runnable,
346 * including iowait, see below).
347 */
348 DEFINE_EVENT(sched_stat_template, sched_stat_sleep,
349 TP_PROTO(struct task_struct *tsk, u64 delay),
350 TP_ARGS(tsk, delay));
351
352 /*
353 * Tracepoint for accounting iowait time (time the task is not runnable
354 * due to waiting on IO to complete).
355 */
356 DEFINE_EVENT(sched_stat_template, sched_stat_iowait,
357 TP_PROTO(struct task_struct *tsk, u64 delay),
358 TP_ARGS(tsk, delay));
359
360 /*
361 * Tracepoint for accounting blocked time (time the task is in uninterruptible).
362 */
363 DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
364 TP_PROTO(struct task_struct *tsk, u64 delay),
365 TP_ARGS(tsk, delay));
366
367 /*
368 * Tracepoint for accounting runtime (time the task is executing
369 * on a CPU).
370 */
371 DECLARE_EVENT_CLASS(sched_stat_runtime,
372
373 TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
374
375 TP_ARGS(tsk, __perf_count(runtime), vruntime),
376
377 TP_STRUCT__entry(
378 __array( char, comm, TASK_COMM_LEN )
379 __field( pid_t, pid )
380 __field( u64, runtime )
381 __field( u64, vruntime )
382 ),
383
384 TP_fast_assign(
385 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
386 __entry->pid = tsk->pid;
387 __entry->runtime = runtime;
388 __entry->vruntime = vruntime;
389 ),
390
391 TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
392 __entry->comm, __entry->pid,
393 (unsigned long long)__entry->runtime,
394 (unsigned long long)__entry->vruntime)
395 );
396
397 DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
398 TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
399 TP_ARGS(tsk, runtime, vruntime));
400
401 /*
402 * Tracepoint for showing priority inheritance modifying a tasks
403 * priority.
404 */
405 TRACE_EVENT(sched_pi_setprio,
406
407 TP_PROTO(struct task_struct *tsk, int newprio),
408
409 TP_ARGS(tsk, newprio),
410
411 TP_STRUCT__entry(
412 __array( char, comm, TASK_COMM_LEN )
413 __field( pid_t, pid )
414 __field( int, oldprio )
415 __field( int, newprio )
416 ),
417
418 TP_fast_assign(
419 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
420 __entry->pid = tsk->pid;
421 __entry->oldprio = tsk->prio;
422 __entry->newprio = newprio;
423 ),
424
425 TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
426 __entry->comm, __entry->pid,
427 __entry->oldprio, __entry->newprio)
428 );
429
430 #ifdef CONFIG_DETECT_HUNG_TASK
431 TRACE_EVENT(sched_process_hang,
432 TP_PROTO(struct task_struct *tsk),
433 TP_ARGS(tsk),
434
435 TP_STRUCT__entry(
436 __array( char, comm, TASK_COMM_LEN )
437 __field( pid_t, pid )
438 ),
439
440 TP_fast_assign(
441 memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
442 __entry->pid = tsk->pid;
443 ),
444
445 TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
446 );
447 #endif /* CONFIG_DETECT_HUNG_TASK */
448
449 DECLARE_EVENT_CLASS(sched_move_task_template,
450
451 TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
452
453 TP_ARGS(tsk, src_cpu, dst_cpu),
454
455 TP_STRUCT__entry(
456 __field( pid_t, pid )
457 __field( pid_t, tgid )
458 __field( pid_t, ngid )
459 __field( int, src_cpu )
460 __field( int, src_nid )
461 __field( int, dst_cpu )
462 __field( int, dst_nid )
463 ),
464
465 TP_fast_assign(
466 __entry->pid = task_pid_nr(tsk);
467 __entry->tgid = task_tgid_nr(tsk);
468 __entry->ngid = task_numa_group_id(tsk);
469 __entry->src_cpu = src_cpu;
470 __entry->src_nid = cpu_to_node(src_cpu);
471 __entry->dst_cpu = dst_cpu;
472 __entry->dst_nid = cpu_to_node(dst_cpu);
473 ),
474
475 TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d",
476 __entry->pid, __entry->tgid, __entry->ngid,
477 __entry->src_cpu, __entry->src_nid,
478 __entry->dst_cpu, __entry->dst_nid)
479 );
480
481 /*
482 * Tracks migration of tasks from one runqueue to another. Can be used to
483 * detect if automatic NUMA balancing is bouncing between nodes
484 */
485 DEFINE_EVENT(sched_move_task_template, sched_move_numa,
486 TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
487
488 TP_ARGS(tsk, src_cpu, dst_cpu)
489 );
490
491 DEFINE_EVENT(sched_move_task_template, sched_stick_numa,
492 TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu),
493
494 TP_ARGS(tsk, src_cpu, dst_cpu)
495 );
496
497 TRACE_EVENT(sched_swap_numa,
498
499 TP_PROTO(struct task_struct *src_tsk, int src_cpu,
500 struct task_struct *dst_tsk, int dst_cpu),
501
502 TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu),
503
504 TP_STRUCT__entry(
505 __field( pid_t, src_pid )
506 __field( pid_t, src_tgid )
507 __field( pid_t, src_ngid )
508 __field( int, src_cpu )
509 __field( int, src_nid )
510 __field( pid_t, dst_pid )
511 __field( pid_t, dst_tgid )
512 __field( pid_t, dst_ngid )
513 __field( int, dst_cpu )
514 __field( int, dst_nid )
515 ),
516
517 TP_fast_assign(
518 __entry->src_pid = task_pid_nr(src_tsk);
519 __entry->src_tgid = task_tgid_nr(src_tsk);
520 __entry->src_ngid = task_numa_group_id(src_tsk);
521 __entry->src_cpu = src_cpu;
522 __entry->src_nid = cpu_to_node(src_cpu);
523 __entry->dst_pid = task_pid_nr(dst_tsk);
524 __entry->dst_tgid = task_tgid_nr(dst_tsk);
525 __entry->dst_ngid = task_numa_group_id(dst_tsk);
526 __entry->dst_cpu = dst_cpu;
527 __entry->dst_nid = cpu_to_node(dst_cpu);
528 ),
529
530 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",
531 __entry->src_pid, __entry->src_tgid, __entry->src_ngid,
532 __entry->src_cpu, __entry->src_nid,
533 __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
534 __entry->dst_cpu, __entry->dst_nid)
535 );
536
537 /*
538 * Tracepoint for waking a polling cpu without an IPI.
539 */
540 TRACE_EVENT(sched_wake_idle_without_ipi,
541
542 TP_PROTO(int cpu),
543
544 TP_ARGS(cpu),
545
546 TP_STRUCT__entry(
547 __field( int, cpu )
548 ),
549
550 TP_fast_assign(
551 __entry->cpu = cpu;
552 ),
553
554 TP_printk("cpu=%d", __entry->cpu)
555 );
556 #endif /* _TRACE_SCHED_H */
557
558 /* This part must be outside protection */
559 #include <trace/define_trace.h>
Linux with added FPC-III support