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