Fix: update sched prev_state instrumentation for upstream kernel
[lttng-modules.git] / instrumentation / events / lttng-module / sched.h
CommitLineData
9f36eaed 1/* SPDX-License-Identifier: GPL-2.0 */
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2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM sched
4
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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>
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11#include <linux/binfmts.h>
12#include <linux/version.h>
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13#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
14#include <linux/sched/rt.h>
15#endif
f62b389e 16
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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
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25#ifndef _TRACE_SCHED_DEF_
26#define _TRACE_SCHED_DEF_
27
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28#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
29
30static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
31{
32 unsigned int state;
33
34#ifdef CONFIG_SCHED_DEBUG
35 BUG_ON(p != current);
36#endif /* CONFIG_SCHED_DEBUG */
37
38 /*
39 * Preemption ignores task state, therefore preempted tasks are always
40 * RUNNING (we will not have dequeued if state != RUNNING).
41 */
42 if (preempt)
43 return TASK_REPORT_MAX;
44
45 /*
46 * task_state_index() uses fls() and returns a value from 0-8 range.
47 * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
48 * it for left shift operation to get the correct task->state
49 * mapping.
50 */
51 state = task_state_index(p);
52
53 return state ? (1 << (state - 1)) : state;
54}
55
56#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
57
58static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
59{
60 unsigned int state;
61
62#ifdef CONFIG_SCHED_DEBUG
63 BUG_ON(p != current);
64#endif /* CONFIG_SCHED_DEBUG */
65
66 /*
67 * Preemption ignores task state, therefore preempted tasks are always
68 * RUNNING (we will not have dequeued if state != RUNNING).
69 */
70 if (preempt)
71 return TASK_REPORT_MAX;
72
73 /*
74 * __get_task_state() uses fls() and returns a value from 0-8 range.
75 * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
76 * it for left shift operation to get the correct task->state
77 * mapping.
78 */
79 state = __get_task_state(p);
80
81 return state ? (1 << (state - 1)) : state;
82}
83
84#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
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85
86static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
87{
88#ifdef CONFIG_SCHED_DEBUG
89 BUG_ON(p != current);
90#endif /* CONFIG_SCHED_DEBUG */
91 /*
92 * Preemption ignores task state, therefore preempted tasks are always RUNNING
93 * (we will not have dequeued if state != RUNNING).
94 */
95 return preempt ? TASK_RUNNING | TASK_STATE_MAX : p->state;
96}
97
98#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
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99
100static inline long __trace_sched_switch_state(struct task_struct *p)
101{
102 long state = p->state;
103
104#ifdef CONFIG_PREEMPT
105#ifdef CONFIG_SCHED_DEBUG
106 BUG_ON(p != current);
107#endif /* CONFIG_SCHED_DEBUG */
108 /*
109 * For all intents and purposes a preempted task is a running task.
110 */
111 if (preempt_count() & PREEMPT_ACTIVE)
112 state = TASK_RUNNING | TASK_STATE_MAX;
113#endif /* CONFIG_PREEMPT */
114
115 return state;
116}
117
118#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
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119
120static inline long __trace_sched_switch_state(struct task_struct *p)
121{
122 long state = p->state;
123
124#ifdef CONFIG_PREEMPT
125 /*
126 * For all intents and purposes a preempted task is a running task.
127 */
128 if (task_preempt_count(p) & PREEMPT_ACTIVE)
129 state = TASK_RUNNING | TASK_STATE_MAX;
130#endif
131
132 return state;
133}
134
135#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
7c68b363 136
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137static inline long __trace_sched_switch_state(struct task_struct *p)
138{
139 long state = p->state;
140
141#ifdef CONFIG_PREEMPT
142 /*
143 * For all intents and purposes a preempted task is a running task.
144 */
145 if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
7c68b363 146 state = TASK_RUNNING | TASK_STATE_MAX;
7c68b363 147#endif
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148
149 return state;
150}
151
152#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
153
154static inline long __trace_sched_switch_state(struct task_struct *p)
155{
156 long state = p->state;
157
158#ifdef CONFIG_PREEMPT
159 /*
160 * For all intents and purposes a preempted task is a running task.
161 */
162 if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
163 state = TASK_RUNNING;
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164#endif
165
166 return state;
167}
168
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169#endif
170
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171#endif /* _TRACE_SCHED_DEF_ */
172
173/*
174 * Tracepoint for calling kthread_stop, performed to end a kthread:
175 */
3bc29f0a 176LTTNG_TRACEPOINT_EVENT(sched_kthread_stop,
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177
178 TP_PROTO(struct task_struct *t),
179
180 TP_ARGS(t),
181
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182 TP_FIELDS(
183 ctf_array_text(char, comm, t->comm, TASK_COMM_LEN)
184 ctf_integer(pid_t, tid, t->pid)
185 )
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186)
187
188/*
189 * Tracepoint for the return value of the kthread stopping:
190 */
3bc29f0a 191LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,
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192
193 TP_PROTO(int ret),
194
195 TP_ARGS(ret),
196
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197 TP_FIELDS(
198 ctf_integer(int, ret, ret)
199 )
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200)
201
202/*
203 * Tracepoint for waking up a task:
204 */
b6c74835 205#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
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206 LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
207 LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
208 LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
209 LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
210 LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
211 LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
212 LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
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213LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
214
215 TP_PROTO(struct task_struct *p),
216
217 TP_ARGS(p),
218
219 TP_FIELDS(
220 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
221 ctf_integer(pid_t, tid, p->pid)
5aa835c0 222 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
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223 ctf_integer(int, target_cpu, task_cpu(p))
224 )
225)
226#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
3bc29f0a 227LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
f62b389e 228
3a523f5b 229#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
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230 TP_PROTO(struct task_struct *p, int success),
231
232 TP_ARGS(p, success),
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233#else
234 TP_PROTO(struct rq *rq, struct task_struct *p, int success),
235
236 TP_ARGS(rq, p, success),
237#endif
f62b389e 238
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239 TP_FIELDS(
240 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
241 ctf_integer(pid_t, tid, p->pid)
5aa835c0 242 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
f127e61e 243 ctf_integer(int, success, success)
7c68b363 244#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f127e61e 245 ctf_integer(int, target_cpu, task_cpu(p))
7c68b363 246#endif
7c68b363 247 )
f62b389e 248)
ffcf2393 249#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
f62b389e 250
b6c74835 251#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
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252 LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
253 LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
254 LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
255 LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
256 LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
257 LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
258 LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
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259
260/*
261 * Tracepoint called when waking a task; this tracepoint is guaranteed to be
262 * called from the waking context.
263 */
264LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_waking,
265 TP_PROTO(struct task_struct *p),
266 TP_ARGS(p))
267
268/*
269 * Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.
270 * It it not always called from the waking context.
271 */
272LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
273 TP_PROTO(struct task_struct *p),
274 TP_ARGS(p))
275
276/*
277 * Tracepoint for waking up a new task:
278 */
279LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
280 TP_PROTO(struct task_struct *p),
281 TP_ARGS(p))
282
283#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3a523f5b 284
3bc29f0a 285LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
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286 TP_PROTO(struct task_struct *p, int success),
287 TP_ARGS(p, success))
288
289/*
290 * Tracepoint for waking up a new task:
291 */
3bc29f0a 292LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
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293 TP_PROTO(struct task_struct *p, int success),
294 TP_ARGS(p, success))
295
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296#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
297
3bc29f0a 298LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
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299 TP_PROTO(struct rq *rq, struct task_struct *p, int success),
300 TP_ARGS(rq, p, success))
301
302/*
303 * Tracepoint for waking up a new task:
304 */
3bc29f0a 305LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
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306 TP_PROTO(struct rq *rq, struct task_struct *p, int success),
307 TP_ARGS(rq, p, success))
308
309#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
310
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311/*
312 * Tracepoint for task switches, performed by the scheduler:
313 */
3bc29f0a 314LTTNG_TRACEPOINT_EVENT(sched_switch,
f62b389e 315
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316#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
317 TP_PROTO(bool preempt,
318 struct task_struct *prev,
319 struct task_struct *next),
320
321 TP_ARGS(preempt, prev, next),
322#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
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323 TP_PROTO(struct task_struct *prev,
324 struct task_struct *next),
325
326 TP_ARGS(prev, next),
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327#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
328 TP_PROTO(struct rq *rq, struct task_struct *prev,
329 struct task_struct *next),
330
331 TP_ARGS(rq, prev, next),
332#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e 333
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334 TP_FIELDS(
335 ctf_array_text(char, prev_comm, prev->comm, TASK_COMM_LEN)
336 ctf_integer(pid_t, prev_tid, prev->pid)
337 ctf_integer(int, prev_prio, prev->prio - MAX_RT_PRIO)
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338#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
339 ctf_integer(long, prev_state, __trace_sched_switch_state(preempt, prev))
340#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f127e61e 341 ctf_integer(long, prev_state, __trace_sched_switch_state(prev))
7c68b363 342#else
f127e61e 343 ctf_integer(long, prev_state, prev->state)
7c68b363 344#endif
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345 ctf_array_text(char, next_comm, next->comm, TASK_COMM_LEN)
346 ctf_integer(pid_t, next_tid, next->pid)
347 ctf_integer(int, next_prio, next->prio - MAX_RT_PRIO)
348 )
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349)
350
351/*
352 * Tracepoint for a task being migrated:
353 */
3bc29f0a 354LTTNG_TRACEPOINT_EVENT(sched_migrate_task,
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355
356 TP_PROTO(struct task_struct *p, int dest_cpu),
357
358 TP_ARGS(p, dest_cpu),
359
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360 TP_FIELDS(
361 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
362 ctf_integer(pid_t, tid, p->pid)
363 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
364 ctf_integer(int, orig_cpu, task_cpu(p))
365 ctf_integer(int, dest_cpu, dest_cpu)
366 )
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367)
368
3bc29f0a 369LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,
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370
371 TP_PROTO(struct task_struct *p),
372
373 TP_ARGS(p),
374
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375 TP_FIELDS(
376 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
377 ctf_integer(pid_t, tid, p->pid)
378 ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
379 )
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380)
381
382/*
383 * Tracepoint for freeing a task:
384 */
3bc29f0a 385LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
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386 TP_PROTO(struct task_struct *p),
387 TP_ARGS(p))
216b6baa 388
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389
390/*
391 * Tracepoint for a task exiting:
392 */
3bc29f0a 393LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit,
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394 TP_PROTO(struct task_struct *p),
395 TP_ARGS(p))
396
397/*
398 * Tracepoint for waiting on task to unschedule:
399 */
3a523f5b 400#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3bc29f0a 401LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
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402 TP_PROTO(struct task_struct *p),
403 TP_ARGS(p))
3a523f5b 404#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
3bc29f0a 405LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
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406 TP_PROTO(struct rq *rq, struct task_struct *p),
407 TP_ARGS(rq, p))
408#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
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409
410/*
411 * Tracepoint for a waiting task:
412 */
3bc29f0a 413LTTNG_TRACEPOINT_EVENT(sched_process_wait,
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414
415 TP_PROTO(struct pid *pid),
416
417 TP_ARGS(pid),
418
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419 TP_FIELDS(
420 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
421 ctf_integer(pid_t, tid, pid_nr(pid))
422 ctf_integer(int, prio, current->prio - MAX_RT_PRIO)
423 )
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424)
425
426/*
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427 * Tracepoint for do_fork.
428 * Saving both TID and PID information, especially for the child, allows
429 * trace analyzers to distinguish between creation of a new process and
430 * creation of a new thread. Newly created processes will have child_tid
431 * == child_pid, while creation of a thread yields to child_tid !=
432 * child_pid.
f62b389e 433 */
7bbf55ea 434LTTNG_TRACEPOINT_EVENT_CODE(sched_process_fork,
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435
436 TP_PROTO(struct task_struct *parent, struct task_struct *child),
437
438 TP_ARGS(parent, child),
439
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440 TP_locvar(
441 pid_t vtids[LTTNG_MAX_PID_NS_LEVEL];
442 unsigned int ns_level;
443 ),
444
265822ae 445 TP_code_pre(
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446 if (child) {
447 struct pid *child_pid;
448 unsigned int i;
449
450 child_pid = task_pid(child);
451 tp_locvar->ns_level =
452 min_t(unsigned int, child_pid->level + 1,
453 LTTNG_MAX_PID_NS_LEVEL);
454 for (i = 0; i < tp_locvar->ns_level; i++)
455 tp_locvar->vtids[i] = child_pid->numbers[i].nr;
456 }
457 ),
458
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459 TP_FIELDS(
460 ctf_array_text(char, parent_comm, parent->comm, TASK_COMM_LEN)
461 ctf_integer(pid_t, parent_tid, parent->pid)
462 ctf_integer(pid_t, parent_pid, parent->tgid)
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463#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
464 ctf_integer(unsigned int, parent_ns_inum,
465 ({
466 unsigned int parent_ns_inum = 0;
467
468 if (parent) {
469 struct pid_namespace *pid_ns;
470
471 pid_ns = task_active_pid_ns(parent);
472 if (pid_ns)
473 parent_ns_inum =
474 pid_ns->lttng_proc_inum;
475 }
476 parent_ns_inum;
477 }))
478#endif
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479 ctf_array_text(char, child_comm, child->comm, TASK_COMM_LEN)
480 ctf_integer(pid_t, child_tid, child->pid)
7bbf55ea 481 ctf_sequence(pid_t, vtids, tp_locvar->vtids, u8, tp_locvar->ns_level)
f127e61e 482 ctf_integer(pid_t, child_pid, child->tgid)
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483#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
484 ctf_integer(unsigned int, child_ns_inum,
485 ({
486 unsigned int child_ns_inum = 0;
487
488 if (child) {
489 struct pid_namespace *pid_ns;
490
491 pid_ns = task_active_pid_ns(child);
492 if (pid_ns)
493 child_ns_inum =
494 pid_ns->lttng_proc_inum;
495 }
496 child_ns_inum;
497 }))
498#endif
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499 ),
500
501 TP_code_post()
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502)
503
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504#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
505/*
506 * Tracepoint for sending a signal:
507 */
3bc29f0a 508LTTNG_TRACEPOINT_EVENT(sched_signal_send,
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509
510 TP_PROTO(int sig, struct task_struct *p),
511
512 TP_ARGS(sig, p),
513
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514 TP_FIELDS(
515 ctf_integer(int, sig, sig)
516 ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
517 ctf_integer(pid_t, tid, p->pid)
518 )
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519)
520#endif
521
c94b2508 522#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
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523/*
524 * Tracepoint for exec:
525 */
3bc29f0a 526LTTNG_TRACEPOINT_EVENT(sched_process_exec,
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527
528 TP_PROTO(struct task_struct *p, pid_t old_pid,
529 struct linux_binprm *bprm),
530
531 TP_ARGS(p, old_pid, bprm),
532
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533 TP_FIELDS(
534 ctf_string(filename, bprm->filename)
535 ctf_integer(pid_t, tid, p->pid)
536 ctf_integer(pid_t, old_tid, old_pid)
537 )
46142a81 538)
c94b2508 539#endif
46142a81 540
7c68b363 541#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
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542/*
543 * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
544 * adding sched_stat support to SCHED_FIFO/RR would be welcome.
545 */
3bc29f0a 546LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template,
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547
548 TP_PROTO(struct task_struct *tsk, u64 delay),
549
550 TP_ARGS(tsk, delay),
551
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552 TP_FIELDS(
553 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
554 ctf_integer(pid_t, tid, tsk->pid)
555 ctf_integer(u64, delay, delay)
f62b389e 556 )
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557)
558
559
560/*
561 * Tracepoint for accounting wait time (time the task is runnable
562 * but not actually running due to scheduler contention).
563 */
3bc29f0a 564LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait,
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565 TP_PROTO(struct task_struct *tsk, u64 delay),
566 TP_ARGS(tsk, delay))
567
568/*
569 * Tracepoint for accounting sleep time (time the task is not runnable,
570 * including iowait, see below).
571 */
3bc29f0a 572LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep,
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573 TP_PROTO(struct task_struct *tsk, u64 delay),
574 TP_ARGS(tsk, delay))
575
576/*
577 * Tracepoint for accounting iowait time (time the task is not runnable
578 * due to waiting on IO to complete).
579 */
3bc29f0a 580LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait,
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581 TP_PROTO(struct task_struct *tsk, u64 delay),
582 TP_ARGS(tsk, delay))
583
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584#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
585/*
586 * Tracepoint for accounting blocked time (time the task is in uninterruptible).
587 */
3bc29f0a 588LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked,
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589 TP_PROTO(struct task_struct *tsk, u64 delay),
590 TP_ARGS(tsk, delay))
591#endif
592
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593/*
594 * Tracepoint for accounting runtime (time the task is executing
595 * on a CPU).
596 */
3bc29f0a 597LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,
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598
599 TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
600
601 TP_ARGS(tsk, runtime, vruntime),
602
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603 TP_FIELDS(
604 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
605 ctf_integer(pid_t, tid, tsk->pid)
606 ctf_integer(u64, runtime, runtime)
607 ctf_integer(u64, vruntime, vruntime)
f62b389e 608 )
f62b389e 609)
7c68b363 610#endif
f62b389e 611
262ab189 612#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0) || \
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613 LTTNG_RT_KERNEL_RANGE(4,9,27,18, 4,10,0,0) || \
614 LTTNG_RT_KERNEL_RANGE(4,11,5,1, 4,12,0,0))
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MJ
615/*
616 * Tracepoint for showing priority inheritance modifying a tasks
617 * priority.
618 */
619LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
620
621 TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
622
623 TP_ARGS(tsk, pi_task),
624
625 TP_FIELDS(
626 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
627 ctf_integer(pid_t, tid, tsk->pid)
628 ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
629 ctf_integer(int, newprio, pi_task ? pi_task->prio - MAX_RT_PRIO : tsk->prio - MAX_RT_PRIO)
630 )
631)
632#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
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633/*
634 * Tracepoint for showing priority inheritance modifying a tasks
635 * priority.
636 */
3bc29f0a 637LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
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638
639 TP_PROTO(struct task_struct *tsk, int newprio),
640
641 TP_ARGS(tsk, newprio),
642
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643 TP_FIELDS(
644 ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
645 ctf_integer(pid_t, tid, tsk->pid)
646 ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
647 ctf_integer(int, newprio, newprio - MAX_RT_PRIO)
648 )
f62b389e 649)
7c68b363 650#endif
f62b389e 651
3bc29f0a 652#endif /* LTTNG_TRACE_SCHED_H */
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653
654/* This part must be outside protection */
6ec43db8 655#include <probes/define_trace.h>
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