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