Blame view
include/trace/events/sched.h
12.8 KB
d0b6e04a4
|
1 2 |
#undef TRACE_SYSTEM #define TRACE_SYSTEM sched |
ea20d9293
|
3 |
#if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) |
0a16b6075
|
4 5 6 7 |
#define _TRACE_SCHED_H #include <linux/sched.h> #include <linux/tracepoint.h> |
4ff16c25e
|
8 |
#include <linux/binfmts.h> |
0a16b6075
|
9 |
|
ea20d9293
|
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 |
/* * Tracepoint for calling kthread_stop, performed to end a kthread: */ TRACE_EVENT(sched_kthread_stop, TP_PROTO(struct task_struct *t), TP_ARGS(t), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) ), TP_fast_assign( memcpy(__entry->comm, t->comm, TASK_COMM_LEN); __entry->pid = t->pid; ), |
434a83c3f
|
28 |
TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid) |
ea20d9293
|
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 |
); /* * Tracepoint for the return value of the kthread stopping: */ TRACE_EVENT(sched_kthread_stop_ret, TP_PROTO(int ret), TP_ARGS(ret), TP_STRUCT__entry( __field( int, ret ) ), TP_fast_assign( __entry->ret = ret; ), |
434a83c3f
|
47 |
TP_printk("ret=%d", __entry->ret) |
ea20d9293
|
48 49 50 |
); /* |
ea20d9293
|
51 |
* Tracepoint for waking up a task: |
ea20d9293
|
52 |
*/ |
091ad3658
|
53 |
DECLARE_EVENT_CLASS(sched_wakeup_template, |
ea20d9293
|
54 |
|
27a9da653
|
55 |
TP_PROTO(struct task_struct *p, int success), |
ea20d9293
|
56 |
|
12473965c
|
57 |
TP_ARGS(__perf_task(p), success), |
ea20d9293
|
58 59 60 61 62 63 |
TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) __field( int, prio ) __field( int, success ) |
434a83c3f
|
64 |
__field( int, target_cpu ) |
ea20d9293
|
65 66 67 68 69 70 71 |
), TP_fast_assign( memcpy(__entry->comm, p->comm, TASK_COMM_LEN); __entry->pid = p->pid; __entry->prio = p->prio; __entry->success = success; |
434a83c3f
|
72 |
__entry->target_cpu = task_cpu(p); |
ea20d9293
|
73 |
), |
434a83c3f
|
74 |
TP_printk("comm=%s pid=%d prio=%d success=%d target_cpu=%03d", |
ea20d9293
|
75 |
__entry->comm, __entry->pid, __entry->prio, |
434a83c3f
|
76 |
__entry->success, __entry->target_cpu) |
ea20d9293
|
77 |
); |
75ec29ab8
|
78 |
DEFINE_EVENT(sched_wakeup_template, sched_wakeup, |
27a9da653
|
79 80 |
TP_PROTO(struct task_struct *p, int success), TP_ARGS(p, success)); |
75ec29ab8
|
81 |
|
ea20d9293
|
82 83 |
/* * Tracepoint for waking up a new task: |
ea20d9293
|
84 |
*/ |
75ec29ab8
|
85 |
DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new, |
27a9da653
|
86 87 |
TP_PROTO(struct task_struct *p, int success), TP_ARGS(p, success)); |
ea20d9293
|
88 |
|
02f726949
|
89 90 91 92 93 94 95 96 97 |
#ifdef CREATE_TRACE_POINTS static inline long __trace_sched_switch_state(struct task_struct *p) { long state = p->state; #ifdef CONFIG_PREEMPT /* * For all intents and purposes a preempted task is a running task. */ |
010287475
|
98 |
if (task_preempt_count(p) & PREEMPT_ACTIVE) |
557ab4254
|
99 |
state = TASK_RUNNING | TASK_STATE_MAX; |
02f726949
|
100 101 102 103 104 |
#endif return state; } #endif |
ea20d9293
|
105 106 |
/* * Tracepoint for task switches, performed by the scheduler: |
ea20d9293
|
107 108 |
*/ TRACE_EVENT(sched_switch, |
27a9da653
|
109 |
TP_PROTO(struct task_struct *prev, |
ea20d9293
|
110 |
struct task_struct *next), |
27a9da653
|
111 |
TP_ARGS(prev, next), |
ea20d9293
|
112 113 114 115 116 |
TP_STRUCT__entry( __array( char, prev_comm, TASK_COMM_LEN ) __field( pid_t, prev_pid ) __field( int, prev_prio ) |
937cdb9db
|
117 |
__field( long, prev_state ) |
ea20d9293
|
118 119 120 121 122 123 124 125 126 |
__array( char, next_comm, TASK_COMM_LEN ) __field( pid_t, next_pid ) __field( int, next_prio ) ), TP_fast_assign( memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN); __entry->prev_pid = prev->pid; __entry->prev_prio = prev->prio; |
02f726949
|
127 |
__entry->prev_state = __trace_sched_switch_state(prev); |
ea20d9293
|
128 129 130 131 |
memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN); __entry->next_pid = next->pid; __entry->next_prio = next->prio; ), |
557ab4254
|
132 |
TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d", |
ea20d9293
|
133 |
__entry->prev_comm, __entry->prev_pid, __entry->prev_prio, |
557ab4254
|
134 135 |
__entry->prev_state & (TASK_STATE_MAX-1) ? __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|", |
937cdb9db
|
136 137 |
{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" }, { 16, "Z" }, { 32, "X" }, { 64, "x" }, |
f2530dc71
|
138 |
{ 128, "K" }, { 256, "W" }, { 512, "P" }) : "R", |
557ab4254
|
139 |
__entry->prev_state & TASK_STATE_MAX ? "+" : "", |
ea20d9293
|
140 141 142 143 144 145 146 |
__entry->next_comm, __entry->next_pid, __entry->next_prio) ); /* * Tracepoint for a task being migrated: */ TRACE_EVENT(sched_migrate_task, |
de1d72860
|
147 |
TP_PROTO(struct task_struct *p, int dest_cpu), |
ea20d9293
|
148 |
|
de1d72860
|
149 |
TP_ARGS(p, dest_cpu), |
ea20d9293
|
150 151 152 153 154 155 156 157 158 159 160 161 162 |
TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) __field( int, prio ) __field( int, orig_cpu ) __field( int, dest_cpu ) ), TP_fast_assign( memcpy(__entry->comm, p->comm, TASK_COMM_LEN); __entry->pid = p->pid; __entry->prio = p->prio; |
de1d72860
|
163 |
__entry->orig_cpu = task_cpu(p); |
ea20d9293
|
164 165 |
__entry->dest_cpu = dest_cpu; ), |
434a83c3f
|
166 |
TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d", |
ea20d9293
|
167 168 169 |
__entry->comm, __entry->pid, __entry->prio, __entry->orig_cpu, __entry->dest_cpu) ); |
091ad3658
|
170 |
DECLARE_EVENT_CLASS(sched_process_template, |
ea20d9293
|
171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 |
TP_PROTO(struct task_struct *p), TP_ARGS(p), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) __field( int, prio ) ), TP_fast_assign( memcpy(__entry->comm, p->comm, TASK_COMM_LEN); __entry->pid = p->pid; __entry->prio = p->prio; ), |
434a83c3f
|
187 |
TP_printk("comm=%s pid=%d prio=%d", |
ea20d9293
|
188 189 190 191 |
__entry->comm, __entry->pid, __entry->prio) ); /* |
75ec29ab8
|
192 |
* Tracepoint for freeing a task: |
ea20d9293
|
193 |
*/ |
75ec29ab8
|
194 195 196 197 |
DEFINE_EVENT(sched_process_template, sched_process_free, TP_PROTO(struct task_struct *p), TP_ARGS(p)); |
ea20d9293
|
198 |
|
75ec29ab8
|
199 200 201 202 203 204 |
/* * Tracepoint for a task exiting: */ DEFINE_EVENT(sched_process_template, sched_process_exit, TP_PROTO(struct task_struct *p), TP_ARGS(p)); |
ea20d9293
|
205 206 |
/* |
210f76691
|
207 208 209 210 211 212 213 |
* Tracepoint for waiting on task to unschedule: */ DEFINE_EVENT(sched_process_template, sched_wait_task, TP_PROTO(struct task_struct *p), TP_ARGS(p)); /* |
ea20d9293
|
214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 |
* Tracepoint for a waiting task: */ TRACE_EVENT(sched_process_wait, TP_PROTO(struct pid *pid), TP_ARGS(pid), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) __field( int, prio ) ), TP_fast_assign( memcpy(__entry->comm, current->comm, TASK_COMM_LEN); __entry->pid = pid_nr(pid); __entry->prio = current->prio; ), |
434a83c3f
|
233 |
TP_printk("comm=%s pid=%d prio=%d", |
ea20d9293
|
234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 |
__entry->comm, __entry->pid, __entry->prio) ); /* * Tracepoint for do_fork: */ TRACE_EVENT(sched_process_fork, TP_PROTO(struct task_struct *parent, struct task_struct *child), TP_ARGS(parent, child), TP_STRUCT__entry( __array( char, parent_comm, TASK_COMM_LEN ) __field( pid_t, parent_pid ) __array( char, child_comm, TASK_COMM_LEN ) __field( pid_t, child_pid ) ), TP_fast_assign( memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN); __entry->parent_pid = parent->pid; memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN); __entry->child_pid = child->pid; ), |
434a83c3f
|
259 |
TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d", |
ea20d9293
|
260 261 262 263 264 |
__entry->parent_comm, __entry->parent_pid, __entry->child_comm, __entry->child_pid) ); /* |
4ff16c25e
|
265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 |
* Tracepoint for exec: */ TRACE_EVENT(sched_process_exec, TP_PROTO(struct task_struct *p, pid_t old_pid, struct linux_binprm *bprm), TP_ARGS(p, old_pid, bprm), TP_STRUCT__entry( __string( filename, bprm->filename ) __field( pid_t, pid ) __field( pid_t, old_pid ) ), TP_fast_assign( __assign_str(filename, bprm->filename); __entry->pid = p->pid; |
6308191f6
|
283 |
__entry->old_pid = old_pid; |
4ff16c25e
|
284 285 286 287 288 289 290 |
), TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename), __entry->pid, __entry->old_pid) ); /* |
768d0c272
|
291 292 293 |
* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE * adding sched_stat support to SCHED_FIFO/RR would be welcome. */ |
091ad3658
|
294 |
DECLARE_EVENT_CLASS(sched_stat_template, |
768d0c272
|
295 296 |
TP_PROTO(struct task_struct *tsk, u64 delay), |
12473965c
|
297 |
TP_ARGS(__perf_task(tsk), __perf_count(delay)), |
768d0c272
|
298 299 300 301 302 303 304 305 306 307 308 |
TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) __field( u64, delay ) ), TP_fast_assign( memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); __entry->pid = tsk->pid; __entry->delay = delay; |
768d0c272
|
309 |
), |
434a83c3f
|
310 |
TP_printk("comm=%s pid=%d delay=%Lu [ns]", |
768d0c272
|
311 312 313 |
__entry->comm, __entry->pid, (unsigned long long)__entry->delay) ); |
75ec29ab8
|
314 315 316 317 318 319 320 321 322 323 324 325 326 |
/* * Tracepoint for accounting wait time (time the task is runnable * but not actually running due to scheduler contention). */ DEFINE_EVENT(sched_stat_template, sched_stat_wait, TP_PROTO(struct task_struct *tsk, u64 delay), TP_ARGS(tsk, delay)); /* * Tracepoint for accounting sleep time (time the task is not runnable, * including iowait, see below). */ |
470dda741
|
327 328 329 |
DEFINE_EVENT(sched_stat_template, sched_stat_sleep, TP_PROTO(struct task_struct *tsk, u64 delay), TP_ARGS(tsk, delay)); |
75ec29ab8
|
330 331 332 333 334 |
/* * Tracepoint for accounting iowait time (time the task is not runnable * due to waiting on IO to complete). */ |
470dda741
|
335 336 337 |
DEFINE_EVENT(sched_stat_template, sched_stat_iowait, TP_PROTO(struct task_struct *tsk, u64 delay), TP_ARGS(tsk, delay)); |
75ec29ab8
|
338 |
|
768d0c272
|
339 |
/* |
b781a602a
|
340 341 342 343 344 345 346 |
* Tracepoint for accounting blocked time (time the task is in uninterruptible). */ DEFINE_EVENT(sched_stat_template, sched_stat_blocked, TP_PROTO(struct task_struct *tsk, u64 delay), TP_ARGS(tsk, delay)); /* |
f977bb493
|
347 348 349 |
* Tracepoint for accounting runtime (time the task is executing * on a CPU). */ |
36009d07b
|
350 |
DECLARE_EVENT_CLASS(sched_stat_runtime, |
f977bb493
|
351 352 |
TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime), |
12473965c
|
353 |
TP_ARGS(tsk, __perf_count(runtime), vruntime), |
f977bb493
|
354 355 356 357 358 359 360 361 362 363 364 365 366 |
TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) __field( u64, runtime ) __field( u64, vruntime ) ), TP_fast_assign( memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); __entry->pid = tsk->pid; __entry->runtime = runtime; __entry->vruntime = vruntime; |
f977bb493
|
367 |
), |
434a83c3f
|
368 |
TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]", |
f977bb493
|
369 370 371 372 |
__entry->comm, __entry->pid, (unsigned long long)__entry->runtime, (unsigned long long)__entry->vruntime) ); |
36009d07b
|
373 374 375 |
DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime, TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime), TP_ARGS(tsk, runtime, vruntime)); |
a8027073e
|
376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 |
/* * Tracepoint for showing priority inheritance modifying a tasks * priority. */ TRACE_EVENT(sched_pi_setprio, TP_PROTO(struct task_struct *tsk, int newprio), TP_ARGS(tsk, newprio), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) __field( int, oldprio ) __field( int, newprio ) ), TP_fast_assign( memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); __entry->pid = tsk->pid; __entry->oldprio = tsk->prio; __entry->newprio = newprio; ), TP_printk("comm=%s pid=%d oldprio=%d newprio=%d", __entry->comm, __entry->pid, __entry->oldprio, __entry->newprio) ); |
6a716c90a
|
404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 |
#ifdef CONFIG_DETECT_HUNG_TASK TRACE_EVENT(sched_process_hang, TP_PROTO(struct task_struct *tsk), TP_ARGS(tsk), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) __field( pid_t, pid ) ), TP_fast_assign( memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); __entry->pid = tsk->pid; ), TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid) ); #endif /* CONFIG_DETECT_HUNG_TASK */ |
286549dca
|
422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 |
DECLARE_EVENT_CLASS(sched_move_task_template, TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu), TP_ARGS(tsk, src_cpu, dst_cpu), TP_STRUCT__entry( __field( pid_t, pid ) __field( pid_t, tgid ) __field( pid_t, ngid ) __field( int, src_cpu ) __field( int, src_nid ) __field( int, dst_cpu ) __field( int, dst_nid ) ), TP_fast_assign( __entry->pid = task_pid_nr(tsk); __entry->tgid = task_tgid_nr(tsk); __entry->ngid = task_numa_group_id(tsk); __entry->src_cpu = src_cpu; __entry->src_nid = cpu_to_node(src_cpu); __entry->dst_cpu = dst_cpu; __entry->dst_nid = cpu_to_node(dst_cpu); ), TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d", __entry->pid, __entry->tgid, __entry->ngid, __entry->src_cpu, __entry->src_nid, __entry->dst_cpu, __entry->dst_nid) ); /* * Tracks migration of tasks from one runqueue to another. Can be used to * detect if automatic NUMA balancing is bouncing between nodes */ DEFINE_EVENT(sched_move_task_template, sched_move_numa, TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu), TP_ARGS(tsk, src_cpu, dst_cpu) ); DEFINE_EVENT(sched_move_task_template, sched_stick_numa, TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu), TP_ARGS(tsk, src_cpu, dst_cpu) ); TRACE_EVENT(sched_swap_numa, TP_PROTO(struct task_struct *src_tsk, int src_cpu, struct task_struct *dst_tsk, int dst_cpu), TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu), TP_STRUCT__entry( __field( pid_t, src_pid ) __field( pid_t, src_tgid ) __field( pid_t, src_ngid ) __field( int, src_cpu ) __field( int, src_nid ) __field( pid_t, dst_pid ) __field( pid_t, dst_tgid ) __field( pid_t, dst_ngid ) __field( int, dst_cpu ) __field( int, dst_nid ) ), TP_fast_assign( __entry->src_pid = task_pid_nr(src_tsk); __entry->src_tgid = task_tgid_nr(src_tsk); __entry->src_ngid = task_numa_group_id(src_tsk); __entry->src_cpu = src_cpu; __entry->src_nid = cpu_to_node(src_cpu); __entry->dst_pid = task_pid_nr(dst_tsk); __entry->dst_tgid = task_tgid_nr(dst_tsk); __entry->dst_ngid = task_numa_group_id(dst_tsk); __entry->dst_cpu = dst_cpu; __entry->dst_nid = cpu_to_node(dst_cpu); ), 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", __entry->src_pid, __entry->src_tgid, __entry->src_ngid, __entry->src_cpu, __entry->src_nid, __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid, __entry->dst_cpu, __entry->dst_nid) ); |
ea20d9293
|
509 |
#endif /* _TRACE_SCHED_H */ |
a8d154b00
|
510 511 512 |
/* This part must be outside protection */ #include <trace/define_trace.h> |