Commit | Line | Data |
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f62b389e MD |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM sched | |
3 | ||
3bc29f0a MD |
4 | #if !defined(LTTNG_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) |
5 | #define LTTNG_TRACE_SCHED_H | |
f62b389e | 6 | |
3bc29f0a | 7 | #include "../../../probes/lttng-tracepoint-event.h" |
f62b389e | 8 | #include <linux/sched.h> |
7c68b363 AG |
9 | #include <linux/binfmts.h> |
10 | #include <linux/version.h> | |
090db00e MJ |
11 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
12 | #include <linux/sched/rt.h> | |
13 | #endif | |
f62b389e MD |
14 | |
15 | #ifndef _TRACE_SCHED_DEF_ | |
16 | #define _TRACE_SCHED_DEF_ | |
17 | ||
857b6f4f MD |
18 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)) |
19 | ||
20 | static inline long __trace_sched_switch_state(struct task_struct *p) | |
21 | { | |
22 | long state = p->state; | |
23 | ||
24 | #ifdef CONFIG_PREEMPT | |
25 | #ifdef CONFIG_SCHED_DEBUG | |
26 | BUG_ON(p != current); | |
27 | #endif /* CONFIG_SCHED_DEBUG */ | |
28 | /* | |
29 | * For all intents and purposes a preempted task is a running task. | |
30 | */ | |
31 | if (preempt_count() & PREEMPT_ACTIVE) | |
32 | state = TASK_RUNNING | TASK_STATE_MAX; | |
33 | #endif /* CONFIG_PREEMPT */ | |
34 | ||
35 | return state; | |
36 | } | |
37 | ||
38 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) | |
33673ee7 MD |
39 | |
40 | static inline long __trace_sched_switch_state(struct task_struct *p) | |
41 | { | |
42 | long state = p->state; | |
43 | ||
44 | #ifdef CONFIG_PREEMPT | |
45 | /* | |
46 | * For all intents and purposes a preempted task is a running task. | |
47 | */ | |
48 | if (task_preempt_count(p) & PREEMPT_ACTIVE) | |
49 | state = TASK_RUNNING | TASK_STATE_MAX; | |
50 | #endif | |
51 | ||
52 | return state; | |
53 | } | |
54 | ||
55 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
7c68b363 | 56 | |
f62b389e MD |
57 | static inline long __trace_sched_switch_state(struct task_struct *p) |
58 | { | |
59 | long state = p->state; | |
60 | ||
61 | #ifdef CONFIG_PREEMPT | |
62 | /* | |
63 | * For all intents and purposes a preempted task is a running task. | |
64 | */ | |
65 | if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE) | |
7c68b363 | 66 | state = TASK_RUNNING | TASK_STATE_MAX; |
7c68b363 | 67 | #endif |
33673ee7 MD |
68 | |
69 | return state; | |
70 | } | |
71 | ||
72 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) | |
73 | ||
74 | static inline long __trace_sched_switch_state(struct task_struct *p) | |
75 | { | |
76 | long state = p->state; | |
77 | ||
78 | #ifdef CONFIG_PREEMPT | |
79 | /* | |
80 | * For all intents and purposes a preempted task is a running task. | |
81 | */ | |
82 | if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE) | |
83 | state = TASK_RUNNING; | |
f62b389e MD |
84 | #endif |
85 | ||
86 | return state; | |
87 | } | |
88 | ||
7c68b363 AG |
89 | #endif |
90 | ||
f62b389e MD |
91 | #endif /* _TRACE_SCHED_DEF_ */ |
92 | ||
93 | /* | |
94 | * Tracepoint for calling kthread_stop, performed to end a kthread: | |
95 | */ | |
3bc29f0a | 96 | LTTNG_TRACEPOINT_EVENT(sched_kthread_stop, |
f62b389e MD |
97 | |
98 | TP_PROTO(struct task_struct *t), | |
99 | ||
100 | TP_ARGS(t), | |
101 | ||
102 | TP_STRUCT__entry( | |
64c796d8 | 103 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 104 | __field( pid_t, tid ) |
f62b389e MD |
105 | ), |
106 | ||
107 | TP_fast_assign( | |
108 | tp_memcpy(comm, t->comm, TASK_COMM_LEN) | |
e5092131 | 109 | tp_assign(tid, t->pid) |
f62b389e MD |
110 | ), |
111 | ||
e5092131 | 112 | TP_printk("comm=%s tid=%d", __entry->comm, __entry->tid) |
f62b389e MD |
113 | ) |
114 | ||
115 | /* | |
116 | * Tracepoint for the return value of the kthread stopping: | |
117 | */ | |
3bc29f0a | 118 | LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret, |
f62b389e MD |
119 | |
120 | TP_PROTO(int ret), | |
121 | ||
122 | TP_ARGS(ret), | |
123 | ||
124 | TP_STRUCT__entry( | |
125 | __field( int, ret ) | |
126 | ), | |
127 | ||
128 | TP_fast_assign( | |
129 | tp_assign(ret, ret) | |
130 | ), | |
131 | ||
132 | TP_printk("ret=%d", __entry->ret) | |
133 | ) | |
134 | ||
135 | /* | |
136 | * Tracepoint for waking up a task: | |
137 | */ | |
3bc29f0a | 138 | LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template, |
f62b389e | 139 | |
3a523f5b | 140 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
f62b389e MD |
141 | TP_PROTO(struct task_struct *p, int success), |
142 | ||
143 | TP_ARGS(p, success), | |
3a523f5b MD |
144 | #else |
145 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), | |
146 | ||
147 | TP_ARGS(rq, p, success), | |
148 | #endif | |
f62b389e MD |
149 | |
150 | TP_STRUCT__entry( | |
64c796d8 | 151 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 152 | __field( pid_t, tid ) |
f62b389e MD |
153 | __field( int, prio ) |
154 | __field( int, success ) | |
7c68b363 | 155 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e | 156 | __field( int, target_cpu ) |
7c68b363 | 157 | #endif |
f62b389e MD |
158 | ), |
159 | ||
160 | TP_fast_assign( | |
161 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) | |
e5092131 | 162 | tp_assign(tid, p->pid) |
f62b389e MD |
163 | tp_assign(prio, p->prio) |
164 | tp_assign(success, success) | |
7c68b363 | 165 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e | 166 | tp_assign(target_cpu, task_cpu(p)) |
7c68b363 AG |
167 | #endif |
168 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) | |
169 | ) | |
170 | TP_perf_assign( | |
171 | __perf_task(p) | |
172 | #endif | |
f62b389e MD |
173 | ), |
174 | ||
7c68b363 | 175 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
e5092131 MD |
176 | TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d", |
177 | __entry->comm, __entry->tid, __entry->prio, | |
f62b389e | 178 | __entry->success, __entry->target_cpu) |
7c68b363 AG |
179 | #else |
180 | TP_printk("comm=%s tid=%d prio=%d success=%d", | |
181 | __entry->comm, __entry->tid, __entry->prio, | |
182 | __entry->success) | |
183 | #endif | |
f62b389e MD |
184 | ) |
185 | ||
3a523f5b MD |
186 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
187 | ||
3bc29f0a | 188 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup, |
f62b389e MD |
189 | TP_PROTO(struct task_struct *p, int success), |
190 | TP_ARGS(p, success)) | |
191 | ||
192 | /* | |
193 | * Tracepoint for waking up a new task: | |
194 | */ | |
3bc29f0a | 195 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new, |
f62b389e MD |
196 | TP_PROTO(struct task_struct *p, int success), |
197 | TP_ARGS(p, success)) | |
198 | ||
3a523f5b MD |
199 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
200 | ||
3bc29f0a | 201 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup, |
3a523f5b MD |
202 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
203 | TP_ARGS(rq, p, success)) | |
204 | ||
205 | /* | |
206 | * Tracepoint for waking up a new task: | |
207 | */ | |
3bc29f0a | 208 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new, |
3a523f5b MD |
209 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), |
210 | TP_ARGS(rq, p, success)) | |
211 | ||
212 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ | |
213 | ||
f62b389e MD |
214 | /* |
215 | * Tracepoint for task switches, performed by the scheduler: | |
216 | */ | |
3bc29f0a | 217 | LTTNG_TRACEPOINT_EVENT(sched_switch, |
f62b389e | 218 | |
3a523f5b | 219 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
f62b389e MD |
220 | TP_PROTO(struct task_struct *prev, |
221 | struct task_struct *next), | |
222 | ||
223 | TP_ARGS(prev, next), | |
3a523f5b MD |
224 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
225 | TP_PROTO(struct rq *rq, struct task_struct *prev, | |
226 | struct task_struct *next), | |
227 | ||
228 | TP_ARGS(rq, prev, next), | |
229 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ | |
f62b389e MD |
230 | |
231 | TP_STRUCT__entry( | |
64c796d8 | 232 | __array_text( char, prev_comm, TASK_COMM_LEN ) |
e5092131 | 233 | __field( pid_t, prev_tid ) |
f62b389e MD |
234 | __field( int, prev_prio ) |
235 | __field( long, prev_state ) | |
64c796d8 | 236 | __array_text( char, next_comm, TASK_COMM_LEN ) |
e5092131 | 237 | __field( pid_t, next_tid ) |
f62b389e MD |
238 | __field( int, next_prio ) |
239 | ), | |
240 | ||
241 | TP_fast_assign( | |
242 | tp_memcpy(next_comm, next->comm, TASK_COMM_LEN) | |
e5092131 | 243 | tp_assign(prev_tid, prev->pid) |
3568c28c | 244 | tp_assign(prev_prio, prev->prio - MAX_RT_PRIO) |
7c68b363 | 245 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
f62b389e | 246 | tp_assign(prev_state, __trace_sched_switch_state(prev)) |
7c68b363 AG |
247 | #else |
248 | tp_assign(prev_state, prev->state) | |
249 | #endif | |
f62b389e | 250 | tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN) |
e5092131 | 251 | tp_assign(next_tid, next->pid) |
3568c28c | 252 | tp_assign(next_prio, next->prio - MAX_RT_PRIO) |
f62b389e MD |
253 | ), |
254 | ||
7c68b363 AG |
255 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
256 | TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_tid=%d next_prio=%d", | |
257 | __entry->prev_comm, __entry->prev_tid, __entry->prev_prio, | |
258 | __entry->prev_state & (TASK_STATE_MAX-1) ? | |
259 | __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|", | |
260 | { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" }, | |
261 | { 16, "Z" }, { 32, "X" }, { 64, "x" }, | |
262 | { 128, "W" }) : "R", | |
263 | __entry->prev_state & TASK_STATE_MAX ? "+" : "", | |
264 | __entry->next_comm, __entry->next_tid, __entry->next_prio) | |
265 | #else | |
e5092131 MD |
266 | TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_tid=%d next_prio=%d", |
267 | __entry->prev_comm, __entry->prev_tid, __entry->prev_prio, | |
f62b389e MD |
268 | __entry->prev_state ? |
269 | __print_flags(__entry->prev_state, "|", | |
270 | { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" }, | |
271 | { 16, "Z" }, { 32, "X" }, { 64, "x" }, | |
272 | { 128, "W" }) : "R", | |
e5092131 | 273 | __entry->next_comm, __entry->next_tid, __entry->next_prio) |
7c68b363 | 274 | #endif |
f62b389e MD |
275 | ) |
276 | ||
277 | /* | |
278 | * Tracepoint for a task being migrated: | |
279 | */ | |
3bc29f0a | 280 | LTTNG_TRACEPOINT_EVENT(sched_migrate_task, |
f62b389e MD |
281 | |
282 | TP_PROTO(struct task_struct *p, int dest_cpu), | |
283 | ||
284 | TP_ARGS(p, dest_cpu), | |
285 | ||
286 | TP_STRUCT__entry( | |
64c796d8 | 287 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 288 | __field( pid_t, tid ) |
f62b389e MD |
289 | __field( int, prio ) |
290 | __field( int, orig_cpu ) | |
291 | __field( int, dest_cpu ) | |
292 | ), | |
293 | ||
294 | TP_fast_assign( | |
295 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) | |
e5092131 | 296 | tp_assign(tid, p->pid) |
3568c28c | 297 | tp_assign(prio, p->prio - MAX_RT_PRIO) |
f62b389e MD |
298 | tp_assign(orig_cpu, task_cpu(p)) |
299 | tp_assign(dest_cpu, dest_cpu) | |
300 | ), | |
301 | ||
e5092131 MD |
302 | TP_printk("comm=%s tid=%d prio=%d orig_cpu=%d dest_cpu=%d", |
303 | __entry->comm, __entry->tid, __entry->prio, | |
f62b389e MD |
304 | __entry->orig_cpu, __entry->dest_cpu) |
305 | ) | |
306 | ||
3bc29f0a | 307 | LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template, |
f62b389e MD |
308 | |
309 | TP_PROTO(struct task_struct *p), | |
310 | ||
311 | TP_ARGS(p), | |
312 | ||
313 | TP_STRUCT__entry( | |
64c796d8 | 314 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 315 | __field( pid_t, tid ) |
f62b389e MD |
316 | __field( int, prio ) |
317 | ), | |
318 | ||
319 | TP_fast_assign( | |
320 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) | |
e5092131 | 321 | tp_assign(tid, p->pid) |
3568c28c | 322 | tp_assign(prio, p->prio - MAX_RT_PRIO) |
f62b389e MD |
323 | ), |
324 | ||
e5092131 MD |
325 | TP_printk("comm=%s tid=%d prio=%d", |
326 | __entry->comm, __entry->tid, __entry->prio) | |
f62b389e MD |
327 | ) |
328 | ||
329 | /* | |
330 | * Tracepoint for freeing a task: | |
331 | */ | |
3bc29f0a | 332 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free, |
f62b389e MD |
333 | TP_PROTO(struct task_struct *p), |
334 | TP_ARGS(p)) | |
335 | ||
336 | ||
337 | /* | |
338 | * Tracepoint for a task exiting: | |
339 | */ | |
3bc29f0a | 340 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit, |
f62b389e MD |
341 | TP_PROTO(struct task_struct *p), |
342 | TP_ARGS(p)) | |
343 | ||
344 | /* | |
345 | * Tracepoint for waiting on task to unschedule: | |
346 | */ | |
3a523f5b | 347 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) |
3bc29f0a | 348 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task, |
f62b389e MD |
349 | TP_PROTO(struct task_struct *p), |
350 | TP_ARGS(p)) | |
3a523f5b | 351 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ |
3bc29f0a | 352 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task, |
3a523f5b MD |
353 | TP_PROTO(struct rq *rq, struct task_struct *p), |
354 | TP_ARGS(rq, p)) | |
355 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */ | |
f62b389e MD |
356 | |
357 | /* | |
358 | * Tracepoint for a waiting task: | |
359 | */ | |
3bc29f0a | 360 | LTTNG_TRACEPOINT_EVENT(sched_process_wait, |
f62b389e MD |
361 | |
362 | TP_PROTO(struct pid *pid), | |
363 | ||
364 | TP_ARGS(pid), | |
365 | ||
366 | TP_STRUCT__entry( | |
64c796d8 | 367 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 368 | __field( pid_t, tid ) |
f62b389e MD |
369 | __field( int, prio ) |
370 | ), | |
371 | ||
372 | TP_fast_assign( | |
373 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
e5092131 | 374 | tp_assign(tid, pid_nr(pid)) |
3568c28c | 375 | tp_assign(prio, current->prio - MAX_RT_PRIO) |
f62b389e MD |
376 | ), |
377 | ||
e5092131 MD |
378 | TP_printk("comm=%s tid=%d prio=%d", |
379 | __entry->comm, __entry->tid, __entry->prio) | |
f62b389e MD |
380 | ) |
381 | ||
382 | /* | |
79b18ef7 MD |
383 | * Tracepoint for do_fork. |
384 | * Saving both TID and PID information, especially for the child, allows | |
385 | * trace analyzers to distinguish between creation of a new process and | |
386 | * creation of a new thread. Newly created processes will have child_tid | |
387 | * == child_pid, while creation of a thread yields to child_tid != | |
388 | * child_pid. | |
f62b389e | 389 | */ |
3bc29f0a | 390 | LTTNG_TRACEPOINT_EVENT(sched_process_fork, |
f62b389e MD |
391 | |
392 | TP_PROTO(struct task_struct *parent, struct task_struct *child), | |
393 | ||
394 | TP_ARGS(parent, child), | |
395 | ||
396 | TP_STRUCT__entry( | |
64c796d8 | 397 | __array_text( char, parent_comm, TASK_COMM_LEN ) |
e5092131 | 398 | __field( pid_t, parent_tid ) |
79b18ef7 | 399 | __field( pid_t, parent_pid ) |
64c796d8 | 400 | __array_text( char, child_comm, TASK_COMM_LEN ) |
e5092131 | 401 | __field( pid_t, child_tid ) |
79b18ef7 | 402 | __field( pid_t, child_pid ) |
f62b389e MD |
403 | ), |
404 | ||
405 | TP_fast_assign( | |
406 | tp_memcpy(parent_comm, parent->comm, TASK_COMM_LEN) | |
e5092131 | 407 | tp_assign(parent_tid, parent->pid) |
79b18ef7 | 408 | tp_assign(parent_pid, parent->tgid) |
f62b389e | 409 | tp_memcpy(child_comm, child->comm, TASK_COMM_LEN) |
e5092131 | 410 | tp_assign(child_tid, child->pid) |
79b18ef7 | 411 | tp_assign(child_pid, child->tgid) |
f62b389e MD |
412 | ), |
413 | ||
e5092131 MD |
414 | TP_printk("comm=%s tid=%d child_comm=%s child_tid=%d", |
415 | __entry->parent_comm, __entry->parent_tid, | |
416 | __entry->child_comm, __entry->child_tid) | |
f62b389e MD |
417 | ) |
418 | ||
7c68b363 AG |
419 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) |
420 | /* | |
421 | * Tracepoint for sending a signal: | |
422 | */ | |
3bc29f0a | 423 | LTTNG_TRACEPOINT_EVENT(sched_signal_send, |
7c68b363 AG |
424 | |
425 | TP_PROTO(int sig, struct task_struct *p), | |
426 | ||
427 | TP_ARGS(sig, p), | |
428 | ||
429 | TP_STRUCT__entry( | |
430 | __field( int, sig ) | |
431 | __array( char, comm, TASK_COMM_LEN ) | |
432 | __field( pid_t, pid ) | |
433 | ), | |
434 | ||
435 | TP_fast_assign( | |
436 | tp_memcpy(comm, p->comm, TASK_COMM_LEN) | |
437 | tp_assign(pid, p->pid) | |
438 | tp_assign(sig, sig) | |
439 | ), | |
440 | ||
441 | TP_printk("sig=%d comm=%s pid=%d", | |
442 | __entry->sig, __entry->comm, __entry->pid) | |
443 | ) | |
444 | #endif | |
445 | ||
c94b2508 | 446 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) |
46142a81 PW |
447 | /* |
448 | * Tracepoint for exec: | |
449 | */ | |
3bc29f0a | 450 | LTTNG_TRACEPOINT_EVENT(sched_process_exec, |
46142a81 PW |
451 | |
452 | TP_PROTO(struct task_struct *p, pid_t old_pid, | |
453 | struct linux_binprm *bprm), | |
454 | ||
455 | TP_ARGS(p, old_pid, bprm), | |
456 | ||
457 | TP_STRUCT__entry( | |
458 | __string( filename, bprm->filename ) | |
e7b0901e AG |
459 | __field( pid_t, tid ) |
460 | __field( pid_t, old_tid ) | |
46142a81 PW |
461 | ), |
462 | ||
463 | TP_fast_assign( | |
464 | tp_strcpy(filename, bprm->filename) | |
e7b0901e AG |
465 | tp_assign(tid, p->pid) |
466 | tp_assign(old_tid, old_pid) | |
46142a81 PW |
467 | ), |
468 | ||
e7b0901e AG |
469 | TP_printk("filename=%s tid=%d old_tid=%d", __get_str(filename), |
470 | __entry->tid, __entry->old_tid) | |
46142a81 | 471 | ) |
c94b2508 | 472 | #endif |
46142a81 | 473 | |
7c68b363 | 474 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e MD |
475 | /* |
476 | * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE | |
477 | * adding sched_stat support to SCHED_FIFO/RR would be welcome. | |
478 | */ | |
3bc29f0a | 479 | LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template, |
f62b389e MD |
480 | |
481 | TP_PROTO(struct task_struct *tsk, u64 delay), | |
482 | ||
483 | TP_ARGS(tsk, delay), | |
484 | ||
485 | TP_STRUCT__entry( | |
64c796d8 | 486 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 487 | __field( pid_t, tid ) |
f62b389e MD |
488 | __field( u64, delay ) |
489 | ), | |
490 | ||
491 | TP_fast_assign( | |
492 | tp_memcpy(comm, tsk->comm, TASK_COMM_LEN) | |
e5092131 | 493 | tp_assign(tid, tsk->pid) |
f62b389e MD |
494 | tp_assign(delay, delay) |
495 | ) | |
496 | TP_perf_assign( | |
497 | __perf_count(delay) | |
498 | ), | |
499 | ||
e5092131 MD |
500 | TP_printk("comm=%s tid=%d delay=%Lu [ns]", |
501 | __entry->comm, __entry->tid, | |
f62b389e MD |
502 | (unsigned long long)__entry->delay) |
503 | ) | |
504 | ||
505 | ||
506 | /* | |
507 | * Tracepoint for accounting wait time (time the task is runnable | |
508 | * but not actually running due to scheduler contention). | |
509 | */ | |
3bc29f0a | 510 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait, |
f62b389e MD |
511 | TP_PROTO(struct task_struct *tsk, u64 delay), |
512 | TP_ARGS(tsk, delay)) | |
513 | ||
514 | /* | |
515 | * Tracepoint for accounting sleep time (time the task is not runnable, | |
516 | * including iowait, see below). | |
517 | */ | |
3bc29f0a | 518 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep, |
f62b389e MD |
519 | TP_PROTO(struct task_struct *tsk, u64 delay), |
520 | TP_ARGS(tsk, delay)) | |
521 | ||
522 | /* | |
523 | * Tracepoint for accounting iowait time (time the task is not runnable | |
524 | * due to waiting on IO to complete). | |
525 | */ | |
3bc29f0a | 526 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait, |
f62b389e MD |
527 | TP_PROTO(struct task_struct *tsk, u64 delay), |
528 | TP_ARGS(tsk, delay)) | |
529 | ||
7c68b363 AG |
530 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) |
531 | /* | |
532 | * Tracepoint for accounting blocked time (time the task is in uninterruptible). | |
533 | */ | |
3bc29f0a | 534 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked, |
7c68b363 AG |
535 | TP_PROTO(struct task_struct *tsk, u64 delay), |
536 | TP_ARGS(tsk, delay)) | |
537 | #endif | |
538 | ||
f62b389e MD |
539 | /* |
540 | * Tracepoint for accounting runtime (time the task is executing | |
541 | * on a CPU). | |
542 | */ | |
3bc29f0a | 543 | LTTNG_TRACEPOINT_EVENT(sched_stat_runtime, |
f62b389e MD |
544 | |
545 | TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime), | |
546 | ||
547 | TP_ARGS(tsk, runtime, vruntime), | |
548 | ||
549 | TP_STRUCT__entry( | |
64c796d8 | 550 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 551 | __field( pid_t, tid ) |
f62b389e MD |
552 | __field( u64, runtime ) |
553 | __field( u64, vruntime ) | |
554 | ), | |
555 | ||
556 | TP_fast_assign( | |
557 | tp_memcpy(comm, tsk->comm, TASK_COMM_LEN) | |
e5092131 | 558 | tp_assign(tid, tsk->pid) |
f62b389e MD |
559 | tp_assign(runtime, runtime) |
560 | tp_assign(vruntime, vruntime) | |
561 | ) | |
562 | TP_perf_assign( | |
563 | __perf_count(runtime) | |
7c68b363 AG |
564 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
565 | __perf_task(tsk) | |
566 | #endif | |
f62b389e MD |
567 | ), |
568 | ||
e5092131 MD |
569 | TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]", |
570 | __entry->comm, __entry->tid, | |
f62b389e MD |
571 | (unsigned long long)__entry->runtime, |
572 | (unsigned long long)__entry->vruntime) | |
573 | ) | |
7c68b363 | 574 | #endif |
f62b389e | 575 | |
7c68b363 | 576 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) |
f62b389e MD |
577 | /* |
578 | * Tracepoint for showing priority inheritance modifying a tasks | |
579 | * priority. | |
580 | */ | |
3bc29f0a | 581 | LTTNG_TRACEPOINT_EVENT(sched_pi_setprio, |
f62b389e MD |
582 | |
583 | TP_PROTO(struct task_struct *tsk, int newprio), | |
584 | ||
585 | TP_ARGS(tsk, newprio), | |
586 | ||
587 | TP_STRUCT__entry( | |
64c796d8 | 588 | __array_text( char, comm, TASK_COMM_LEN ) |
e5092131 | 589 | __field( pid_t, tid ) |
f62b389e MD |
590 | __field( int, oldprio ) |
591 | __field( int, newprio ) | |
592 | ), | |
593 | ||
594 | TP_fast_assign( | |
595 | tp_memcpy(comm, tsk->comm, TASK_COMM_LEN) | |
e5092131 | 596 | tp_assign(tid, tsk->pid) |
3568c28c MD |
597 | tp_assign(oldprio, tsk->prio - MAX_RT_PRIO) |
598 | tp_assign(newprio, newprio - MAX_RT_PRIO) | |
f62b389e MD |
599 | ), |
600 | ||
e5092131 MD |
601 | TP_printk("comm=%s tid=%d oldprio=%d newprio=%d", |
602 | __entry->comm, __entry->tid, | |
f62b389e MD |
603 | __entry->oldprio, __entry->newprio) |
604 | ) | |
7c68b363 | 605 | #endif |
f62b389e | 606 | |
3bc29f0a | 607 | #endif /* LTTNG_TRACE_SCHED_H */ |
f62b389e MD |
608 | |
609 | /* This part must be outside protection */ | |
5b88d86e | 610 | #include "../../../probes/define_trace.h" |