Commit | Line | Data |
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9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
f62b389e MD |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM sched | |
4 | ||
3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define LTTNG_TRACE_SCHED_H | |
f62b389e | 7 | |
6ec43db8 | 8 | #include <probes/lttng-tracepoint-event.h> |
f62b389e | 9 | #include <linux/sched.h> |
7bbf55ea | 10 | #include <linux/pid_namespace.h> |
7c68b363 AG |
11 | #include <linux/binfmts.h> |
12 | #include <linux/version.h> | |
090db00e MJ |
13 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
14 | #include <linux/sched/rt.h> | |
15 | #endif | |
f62b389e | 16 | |
7bbf55ea SL |
17 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)) |
18 | #define lttng_proc_inum ns.inum | |
19 | #else | |
20 | #define lttng_proc_inum proc_inum | |
21 | #endif | |
22 | ||
23 | #define LTTNG_MAX_PID_NS_LEVEL 32 | |
24 | ||
f62b389e MD |
25 | #ifndef _TRACE_SCHED_DEF_ |
26 | #define _TRACE_SCHED_DEF_ | |
27 | ||
3ee729fe MD |
28 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)) |
29 | ||
30 | static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p) | |
31 | { | |
32 | #ifdef CONFIG_SCHED_DEBUG | |
33 | BUG_ON(p != current); | |
34 | #endif /* CONFIG_SCHED_DEBUG */ | |
35 | /* | |
36 | * Preemption ignores task state, therefore preempted tasks are always RUNNING | |
37 | * (we will not have dequeued if state != RUNNING). | |
38 | */ | |
39 | return preempt ? TASK_RUNNING | TASK_STATE_MAX : p->state; | |
40 | } | |
41 | ||
42 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)) | |
857b6f4f MD |
43 | |
44 | static inline long __trace_sched_switch_state(struct task_struct *p) | |
45 | { | |
46 | long state = p->state; | |
47 | ||
48 | #ifdef CONFIG_PREEMPT | |
49 | #ifdef CONFIG_SCHED_DEBUG | |
50 | BUG_ON(p != current); | |
51 | #endif /* CONFIG_SCHED_DEBUG */ | |
52 | /* | |
53 | * For all intents and purposes a preempted task is a running task. | |
54 | */ | |
55 | if (preempt_count() & PREEMPT_ACTIVE) | |
56 | state = TASK_RUNNING | TASK_STATE_MAX; | |
57 | #endif /* CONFIG_PREEMPT */ | |
58 | ||
59 | return state; | |
60 | } | |
61 | ||
62 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) | |
33673ee7 MD |
63 | |
64 | static inline long __trace_sched_switch_state(struct task_struct *p) | |
65 | { | |
66 | long state = p->state; | |
67 | ||
68 | #ifdef CONFIG_PREEMPT | |
69 | /* | |
70 | * For all intents and purposes a preempted task is a running task. | |
71 | */ | |
72 | if (task_preempt_count(p) & PREEMPT_ACTIVE) | |
73 | state = TASK_RUNNING | TASK_STATE_MAX; | |
74 | #endif | |
75 | ||
76 | return state; | |
77 | } | |
78 | ||
79 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
7c68b363 | 80 | |
f62b389e MD |
81 | static inline long __trace_sched_switch_state(struct task_struct *p) |
82 | { | |
83 | long state = p->state; | |
84 | ||
85 | #ifdef CONFIG_PREEMPT | |
86 | /* | |
87 | * For all intents and purposes a preempted task is a running task. | |
88 | */ | |
89 | if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE) | |
7c68b363 | 90 | state = TASK_RUNNING | TASK_STATE_MAX; |
7c68b363 | 91 | #endif |
33673ee7 MD |
92 | |
93 | return state; | |
94 | } | |
95 | ||
ead65427 | 96 | #else |
33673ee7 MD |
97 | |
98 | static inline long __trace_sched_switch_state(struct task_struct *p) | |
99 | { | |
100 | long state = p->state; | |
101 | ||
102 | #ifdef CONFIG_PREEMPT | |
103 | /* | |
104 | * For all intents and purposes a preempted task is a running task. | |
105 | */ | |
106 | if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE) | |
107 | state = TASK_RUNNING; | |
f62b389e MD |
108 | #endif |
109 | ||
110 | return state; | |
111 | } | |
112 | ||
7c68b363 AG |
113 | #endif |
114 | ||
f62b389e MD |
115 | #endif /* _TRACE_SCHED_DEF_ */ |
116 | ||
117 | /* | |
118 | * Tracepoint for calling kthread_stop, performed to end a kthread: | |
119 | */ | |
3bc29f0a | 120 | LTTNG_TRACEPOINT_EVENT(sched_kthread_stop, |
f62b389e MD |
121 | |
122 | TP_PROTO(struct task_struct *t), | |
123 | ||
124 | TP_ARGS(t), | |
125 | ||
f127e61e MD |
126 | TP_FIELDS( |
127 | ctf_array_text(char, comm, t->comm, TASK_COMM_LEN) | |
128 | ctf_integer(pid_t, tid, t->pid) | |
129 | ) | |
f62b389e MD |
130 | ) |
131 | ||
132 | /* | |
133 | * Tracepoint for the return value of the kthread stopping: | |
134 | */ | |
3bc29f0a | 135 | LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret, |
f62b389e MD |
136 | |
137 | TP_PROTO(int ret), | |
138 | ||
139 | TP_ARGS(ret), | |
140 | ||
f127e61e MD |
141 | TP_FIELDS( |
142 | ctf_integer(int, ret, ret) | |
143 | ) | |
f62b389e MD |
144 | ) |
145 | ||
146 | /* | |
147 | * Tracepoint for waking up a task: | |
148 | */ | |
b6c74835 | 149 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \ |
95ff37b6 MJ |
150 | LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \ |
151 | LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \ | |
152 | LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \ | |
153 | LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \ | |
154 | LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \ | |
155 | LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \ | |
156 | LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0)) | |
ffcf2393 MD |
157 | LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template, |
158 | ||
159 | TP_PROTO(struct task_struct *p), | |
160 | ||
161 | TP_ARGS(p), | |
162 | ||
163 | TP_FIELDS( | |
164 | ctf_array_text(char, comm, p->comm, TASK_COMM_LEN) | |
165 | ctf_integer(pid_t, tid, p->pid) | |
5aa835c0 | 166 | ctf_integer(int, prio, p->prio - MAX_RT_PRIO) |
ffcf2393 MD |
167 | ctf_integer(int, target_cpu, task_cpu(p)) |
168 | ) | |
169 | ) | |
170 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
3bc29f0a | 171 | LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template, |
f62b389e MD |
172 | |
173 | TP_PROTO(struct task_struct *p, int success), | |
174 | ||
175 | TP_ARGS(p, success), | |
176 | ||
f127e61e MD |
177 | TP_FIELDS( |
178 | ctf_array_text(char, comm, p->comm, TASK_COMM_LEN) | |
179 | ctf_integer(pid_t, tid, p->pid) | |
5aa835c0 | 180 | ctf_integer(int, prio, p->prio - MAX_RT_PRIO) |
f127e61e | 181 | ctf_integer(int, success, success) |
f127e61e | 182 | ctf_integer(int, target_cpu, task_cpu(p)) |
7c68b363 | 183 | ) |
f62b389e | 184 | ) |
ffcf2393 | 185 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ |
f62b389e | 186 | |
b6c74835 | 187 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \ |
95ff37b6 MJ |
188 | LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \ |
189 | LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \ | |
190 | LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \ | |
191 | LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \ | |
192 | LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \ | |
193 | LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \ | |
194 | LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0)) | |
ffcf2393 MD |
195 | |
196 | /* | |
197 | * Tracepoint called when waking a task; this tracepoint is guaranteed to be | |
198 | * called from the waking context. | |
199 | */ | |
200 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_waking, | |
201 | TP_PROTO(struct task_struct *p), | |
202 | TP_ARGS(p)) | |
203 | ||
204 | /* | |
205 | * Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG. | |
206 | * It it not always called from the waking context. | |
207 | */ | |
208 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup, | |
209 | TP_PROTO(struct task_struct *p), | |
210 | TP_ARGS(p)) | |
211 | ||
212 | /* | |
213 | * Tracepoint for waking up a new task: | |
214 | */ | |
215 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new, | |
216 | TP_PROTO(struct task_struct *p), | |
217 | TP_ARGS(p)) | |
218 | ||
ead65427 | 219 | #else |
3a523f5b | 220 | |
3bc29f0a | 221 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup, |
f62b389e MD |
222 | TP_PROTO(struct task_struct *p, int success), |
223 | TP_ARGS(p, success)) | |
224 | ||
225 | /* | |
226 | * Tracepoint for waking up a new task: | |
227 | */ | |
3bc29f0a | 228 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new, |
f62b389e MD |
229 | TP_PROTO(struct task_struct *p, int success), |
230 | TP_ARGS(p, success)) | |
231 | ||
ead65427 | 232 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ |
3a523f5b | 233 | |
f62b389e MD |
234 | /* |
235 | * Tracepoint for task switches, performed by the scheduler: | |
236 | */ | |
3bc29f0a | 237 | LTTNG_TRACEPOINT_EVENT(sched_switch, |
f62b389e | 238 | |
3ee729fe MD |
239 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)) |
240 | TP_PROTO(bool preempt, | |
241 | struct task_struct *prev, | |
242 | struct task_struct *next), | |
243 | ||
244 | TP_ARGS(preempt, prev, next), | |
ead65427 | 245 | #else |
f62b389e MD |
246 | TP_PROTO(struct task_struct *prev, |
247 | struct task_struct *next), | |
248 | ||
249 | TP_ARGS(prev, next), | |
ead65427 | 250 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)) */ |
f62b389e | 251 | |
f127e61e MD |
252 | TP_FIELDS( |
253 | ctf_array_text(char, prev_comm, prev->comm, TASK_COMM_LEN) | |
254 | ctf_integer(pid_t, prev_tid, prev->pid) | |
255 | ctf_integer(int, prev_prio, prev->prio - MAX_RT_PRIO) | |
3ee729fe MD |
256 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)) |
257 | ctf_integer(long, prev_state, __trace_sched_switch_state(preempt, prev)) | |
7c68b363 | 258 | #else |
ead65427 | 259 | ctf_integer(long, prev_state, __trace_sched_switch_state(prev)) |
7c68b363 | 260 | #endif |
f127e61e MD |
261 | ctf_array_text(char, next_comm, next->comm, TASK_COMM_LEN) |
262 | ctf_integer(pid_t, next_tid, next->pid) | |
263 | ctf_integer(int, next_prio, next->prio - MAX_RT_PRIO) | |
264 | ) | |
f62b389e MD |
265 | ) |
266 | ||
267 | /* | |
268 | * Tracepoint for a task being migrated: | |
269 | */ | |
3bc29f0a | 270 | LTTNG_TRACEPOINT_EVENT(sched_migrate_task, |
f62b389e MD |
271 | |
272 | TP_PROTO(struct task_struct *p, int dest_cpu), | |
273 | ||
274 | TP_ARGS(p, dest_cpu), | |
275 | ||
f127e61e MD |
276 | TP_FIELDS( |
277 | ctf_array_text(char, comm, p->comm, TASK_COMM_LEN) | |
278 | ctf_integer(pid_t, tid, p->pid) | |
279 | ctf_integer(int, prio, p->prio - MAX_RT_PRIO) | |
280 | ctf_integer(int, orig_cpu, task_cpu(p)) | |
281 | ctf_integer(int, dest_cpu, dest_cpu) | |
282 | ) | |
f62b389e MD |
283 | ) |
284 | ||
3bc29f0a | 285 | LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template, |
f62b389e MD |
286 | |
287 | TP_PROTO(struct task_struct *p), | |
288 | ||
289 | TP_ARGS(p), | |
290 | ||
f127e61e MD |
291 | TP_FIELDS( |
292 | ctf_array_text(char, comm, p->comm, TASK_COMM_LEN) | |
293 | ctf_integer(pid_t, tid, p->pid) | |
294 | ctf_integer(int, prio, p->prio - MAX_RT_PRIO) | |
295 | ) | |
f62b389e MD |
296 | ) |
297 | ||
298 | /* | |
299 | * Tracepoint for freeing a task: | |
300 | */ | |
3bc29f0a | 301 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free, |
f62b389e MD |
302 | TP_PROTO(struct task_struct *p), |
303 | TP_ARGS(p)) | |
216b6baa | 304 | |
f62b389e MD |
305 | |
306 | /* | |
307 | * Tracepoint for a task exiting: | |
308 | */ | |
3bc29f0a | 309 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit, |
f62b389e MD |
310 | TP_PROTO(struct task_struct *p), |
311 | TP_ARGS(p)) | |
312 | ||
313 | /* | |
314 | * Tracepoint for waiting on task to unschedule: | |
315 | */ | |
3bc29f0a | 316 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task, |
f62b389e MD |
317 | TP_PROTO(struct task_struct *p), |
318 | TP_ARGS(p)) | |
319 | ||
320 | /* | |
321 | * Tracepoint for a waiting task: | |
322 | */ | |
3bc29f0a | 323 | LTTNG_TRACEPOINT_EVENT(sched_process_wait, |
f62b389e MD |
324 | |
325 | TP_PROTO(struct pid *pid), | |
326 | ||
327 | TP_ARGS(pid), | |
328 | ||
f127e61e MD |
329 | TP_FIELDS( |
330 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
331 | ctf_integer(pid_t, tid, pid_nr(pid)) | |
332 | ctf_integer(int, prio, current->prio - MAX_RT_PRIO) | |
333 | ) | |
f62b389e MD |
334 | ) |
335 | ||
336 | /* | |
79b18ef7 MD |
337 | * Tracepoint for do_fork. |
338 | * Saving both TID and PID information, especially for the child, allows | |
339 | * trace analyzers to distinguish between creation of a new process and | |
340 | * creation of a new thread. Newly created processes will have child_tid | |
341 | * == child_pid, while creation of a thread yields to child_tid != | |
342 | * child_pid. | |
f62b389e | 343 | */ |
7bbf55ea | 344 | LTTNG_TRACEPOINT_EVENT_CODE(sched_process_fork, |
f62b389e MD |
345 | |
346 | TP_PROTO(struct task_struct *parent, struct task_struct *child), | |
347 | ||
348 | TP_ARGS(parent, child), | |
349 | ||
7bbf55ea SL |
350 | TP_locvar( |
351 | pid_t vtids[LTTNG_MAX_PID_NS_LEVEL]; | |
352 | unsigned int ns_level; | |
353 | ), | |
354 | ||
265822ae | 355 | TP_code_pre( |
7bbf55ea SL |
356 | if (child) { |
357 | struct pid *child_pid; | |
358 | unsigned int i; | |
359 | ||
360 | child_pid = task_pid(child); | |
361 | tp_locvar->ns_level = | |
362 | min_t(unsigned int, child_pid->level + 1, | |
363 | LTTNG_MAX_PID_NS_LEVEL); | |
364 | for (i = 0; i < tp_locvar->ns_level; i++) | |
365 | tp_locvar->vtids[i] = child_pid->numbers[i].nr; | |
366 | } | |
367 | ), | |
368 | ||
f127e61e MD |
369 | TP_FIELDS( |
370 | ctf_array_text(char, parent_comm, parent->comm, TASK_COMM_LEN) | |
371 | ctf_integer(pid_t, parent_tid, parent->pid) | |
372 | ctf_integer(pid_t, parent_pid, parent->tgid) | |
7bbf55ea SL |
373 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)) |
374 | ctf_integer(unsigned int, parent_ns_inum, | |
375 | ({ | |
376 | unsigned int parent_ns_inum = 0; | |
377 | ||
378 | if (parent) { | |
379 | struct pid_namespace *pid_ns; | |
380 | ||
381 | pid_ns = task_active_pid_ns(parent); | |
382 | if (pid_ns) | |
383 | parent_ns_inum = | |
384 | pid_ns->lttng_proc_inum; | |
385 | } | |
386 | parent_ns_inum; | |
387 | })) | |
388 | #endif | |
f127e61e MD |
389 | ctf_array_text(char, child_comm, child->comm, TASK_COMM_LEN) |
390 | ctf_integer(pid_t, child_tid, child->pid) | |
7bbf55ea | 391 | ctf_sequence(pid_t, vtids, tp_locvar->vtids, u8, tp_locvar->ns_level) |
f127e61e | 392 | ctf_integer(pid_t, child_pid, child->tgid) |
7bbf55ea SL |
393 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)) |
394 | ctf_integer(unsigned int, child_ns_inum, | |
395 | ({ | |
396 | unsigned int child_ns_inum = 0; | |
397 | ||
398 | if (child) { | |
399 | struct pid_namespace *pid_ns; | |
400 | ||
401 | pid_ns = task_active_pid_ns(child); | |
402 | if (pid_ns) | |
403 | child_ns_inum = | |
404 | pid_ns->lttng_proc_inum; | |
405 | } | |
406 | child_ns_inum; | |
407 | })) | |
408 | #endif | |
265822ae MD |
409 | ), |
410 | ||
411 | TP_code_post() | |
f62b389e MD |
412 | ) |
413 | ||
c94b2508 | 414 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) |
46142a81 PW |
415 | /* |
416 | * Tracepoint for exec: | |
417 | */ | |
3bc29f0a | 418 | LTTNG_TRACEPOINT_EVENT(sched_process_exec, |
46142a81 PW |
419 | |
420 | TP_PROTO(struct task_struct *p, pid_t old_pid, | |
421 | struct linux_binprm *bprm), | |
422 | ||
423 | TP_ARGS(p, old_pid, bprm), | |
424 | ||
f127e61e MD |
425 | TP_FIELDS( |
426 | ctf_string(filename, bprm->filename) | |
427 | ctf_integer(pid_t, tid, p->pid) | |
428 | ctf_integer(pid_t, old_tid, old_pid) | |
429 | ) | |
46142a81 | 430 | ) |
c94b2508 | 431 | #endif |
46142a81 | 432 | |
f62b389e MD |
433 | /* |
434 | * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE | |
435 | * adding sched_stat support to SCHED_FIFO/RR would be welcome. | |
436 | */ | |
3bc29f0a | 437 | LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template, |
f62b389e MD |
438 | |
439 | TP_PROTO(struct task_struct *tsk, u64 delay), | |
440 | ||
441 | TP_ARGS(tsk, delay), | |
442 | ||
f127e61e MD |
443 | TP_FIELDS( |
444 | ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN) | |
445 | ctf_integer(pid_t, tid, tsk->pid) | |
446 | ctf_integer(u64, delay, delay) | |
f62b389e | 447 | ) |
f62b389e MD |
448 | ) |
449 | ||
450 | ||
451 | /* | |
452 | * Tracepoint for accounting wait time (time the task is runnable | |
453 | * but not actually running due to scheduler contention). | |
454 | */ | |
3bc29f0a | 455 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait, |
f62b389e MD |
456 | TP_PROTO(struct task_struct *tsk, u64 delay), |
457 | TP_ARGS(tsk, delay)) | |
458 | ||
459 | /* | |
460 | * Tracepoint for accounting sleep time (time the task is not runnable, | |
461 | * including iowait, see below). | |
462 | */ | |
3bc29f0a | 463 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep, |
f62b389e MD |
464 | TP_PROTO(struct task_struct *tsk, u64 delay), |
465 | TP_ARGS(tsk, delay)) | |
466 | ||
467 | /* | |
468 | * Tracepoint for accounting iowait time (time the task is not runnable | |
469 | * due to waiting on IO to complete). | |
470 | */ | |
3bc29f0a | 471 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait, |
f62b389e MD |
472 | TP_PROTO(struct task_struct *tsk, u64 delay), |
473 | TP_ARGS(tsk, delay)) | |
474 | ||
7c68b363 AG |
475 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) |
476 | /* | |
477 | * Tracepoint for accounting blocked time (time the task is in uninterruptible). | |
478 | */ | |
3bc29f0a | 479 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked, |
7c68b363 AG |
480 | TP_PROTO(struct task_struct *tsk, u64 delay), |
481 | TP_ARGS(tsk, delay)) | |
482 | #endif | |
483 | ||
f62b389e MD |
484 | /* |
485 | * Tracepoint for accounting runtime (time the task is executing | |
486 | * on a CPU). | |
487 | */ | |
3bc29f0a | 488 | LTTNG_TRACEPOINT_EVENT(sched_stat_runtime, |
f62b389e MD |
489 | |
490 | TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime), | |
491 | ||
492 | TP_ARGS(tsk, runtime, vruntime), | |
493 | ||
f127e61e MD |
494 | TP_FIELDS( |
495 | ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN) | |
496 | ctf_integer(pid_t, tid, tsk->pid) | |
497 | ctf_integer(u64, runtime, runtime) | |
498 | ctf_integer(u64, vruntime, vruntime) | |
f62b389e | 499 | ) |
f62b389e MD |
500 | ) |
501 | ||
262ab189 | 502 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0) || \ |
46dded2d MJ |
503 | LTTNG_RT_KERNEL_RANGE(4,9,27,18, 4,10,0,0) || \ |
504 | LTTNG_RT_KERNEL_RANGE(4,11,5,1, 4,12,0,0)) | |
673e9a03 MJ |
505 | /* |
506 | * Tracepoint for showing priority inheritance modifying a tasks | |
507 | * priority. | |
508 | */ | |
509 | LTTNG_TRACEPOINT_EVENT(sched_pi_setprio, | |
510 | ||
511 | TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task), | |
512 | ||
513 | TP_ARGS(tsk, pi_task), | |
514 | ||
515 | TP_FIELDS( | |
516 | ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN) | |
517 | ctf_integer(pid_t, tid, tsk->pid) | |
518 | ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO) | |
519 | ctf_integer(int, newprio, pi_task ? pi_task->prio - MAX_RT_PRIO : tsk->prio - MAX_RT_PRIO) | |
520 | ) | |
521 | ) | |
ead65427 | 522 | #else |
f62b389e MD |
523 | /* |
524 | * Tracepoint for showing priority inheritance modifying a tasks | |
525 | * priority. | |
526 | */ | |
3bc29f0a | 527 | LTTNG_TRACEPOINT_EVENT(sched_pi_setprio, |
f62b389e MD |
528 | |
529 | TP_PROTO(struct task_struct *tsk, int newprio), | |
530 | ||
531 | TP_ARGS(tsk, newprio), | |
532 | ||
f127e61e MD |
533 | TP_FIELDS( |
534 | ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN) | |
535 | ctf_integer(pid_t, tid, tsk->pid) | |
536 | ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO) | |
537 | ctf_integer(int, newprio, newprio - MAX_RT_PRIO) | |
538 | ) | |
f62b389e | 539 | ) |
7c68b363 | 540 | #endif |
f62b389e | 541 | |
3bc29f0a | 542 | #endif /* LTTNG_TRACE_SCHED_H */ |
f62b389e MD |
543 | |
544 | /* This part must be outside protection */ | |
6ec43db8 | 545 | #include <probes/define_trace.h> |