rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM sched |
| 4 | |
| 5 | #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _TRACE_SCHED_H |
| 7 | |
| 8 | #include <linux/sched/numa_balancing.h> |
| 9 | #include <linux/tracepoint.h> |
| 10 | #include <linux/binfmts.h> |
| 11 | |
| 12 | /* |
| 13 | * Tracepoint for calling kthread_stop, performed to end a kthread: |
| 14 | */ |
| 15 | TRACE_EVENT(sched_kthread_stop, |
| 16 | |
| 17 | TP_PROTO(struct task_struct *t), |
| 18 | |
| 19 | TP_ARGS(t), |
| 20 | |
| 21 | TP_STRUCT__entry( |
| 22 | __array( char, comm, TASK_COMM_LEN ) |
| 23 | __field( pid_t, pid ) |
| 24 | ), |
| 25 | |
| 26 | TP_fast_assign( |
| 27 | memcpy(__entry->comm, t->comm, TASK_COMM_LEN); |
| 28 | __entry->pid = t->pid; |
| 29 | ), |
| 30 | |
| 31 | TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid) |
| 32 | ); |
| 33 | |
| 34 | /* |
| 35 | * Tracepoint for the return value of the kthread stopping: |
| 36 | */ |
| 37 | TRACE_EVENT(sched_kthread_stop_ret, |
| 38 | |
| 39 | TP_PROTO(int ret), |
| 40 | |
| 41 | TP_ARGS(ret), |
| 42 | |
| 43 | TP_STRUCT__entry( |
| 44 | __field( int, ret ) |
| 45 | ), |
| 46 | |
| 47 | TP_fast_assign( |
| 48 | __entry->ret = ret; |
| 49 | ), |
| 50 | |
| 51 | TP_printk("ret=%d", __entry->ret) |
| 52 | ); |
| 53 | |
| 54 | /* |
| 55 | * Tracepoint for waking up a task: |
| 56 | */ |
| 57 | DECLARE_EVENT_CLASS(sched_wakeup_template, |
| 58 | |
| 59 | TP_PROTO(struct task_struct *p), |
| 60 | |
| 61 | TP_ARGS(__perf_task(p)), |
| 62 | |
| 63 | TP_STRUCT__entry( |
| 64 | __array( char, comm, TASK_COMM_LEN ) |
| 65 | __field( pid_t, pid ) |
| 66 | __field( int, prio ) |
| 67 | __field( int, success ) |
| 68 | __field( int, target_cpu ) |
| 69 | ), |
| 70 | |
| 71 | TP_fast_assign( |
| 72 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 73 | __entry->pid = p->pid; |
| 74 | __entry->prio = p->prio; /* XXX SCHED_DEADLINE */ |
| 75 | __entry->success = 1; /* rudiment, kill when possible */ |
| 76 | __entry->target_cpu = task_cpu(p); |
| 77 | ), |
| 78 | |
| 79 | TP_printk("comm=%s pid=%d prio=%d target_cpu=%03d", |
| 80 | __entry->comm, __entry->pid, __entry->prio, |
| 81 | __entry->target_cpu) |
| 82 | ); |
| 83 | |
| 84 | /* |
| 85 | * Tracepoint called when waking a task; this tracepoint is guaranteed to be |
| 86 | * called from the waking context. |
| 87 | */ |
| 88 | DEFINE_EVENT(sched_wakeup_template, sched_waking, |
| 89 | TP_PROTO(struct task_struct *p), |
| 90 | TP_ARGS(p)); |
| 91 | |
| 92 | /* |
| 93 | * Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG. |
| 94 | * It it not always called from the waking context. |
| 95 | */ |
| 96 | DEFINE_EVENT(sched_wakeup_template, sched_wakeup, |
| 97 | TP_PROTO(struct task_struct *p), |
| 98 | TP_ARGS(p)); |
| 99 | |
| 100 | /* |
| 101 | * Tracepoint for waking up a new task: |
| 102 | */ |
| 103 | DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new, |
| 104 | TP_PROTO(struct task_struct *p), |
| 105 | TP_ARGS(p)); |
| 106 | |
| 107 | #ifdef CREATE_TRACE_POINTS |
| 108 | static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p) |
| 109 | { |
| 110 | unsigned int state; |
| 111 | |
| 112 | #ifdef CONFIG_SCHED_DEBUG |
| 113 | BUG_ON(p != current); |
| 114 | #endif /* CONFIG_SCHED_DEBUG */ |
| 115 | |
| 116 | /* |
| 117 | * Preemption ignores task state, therefore preempted tasks are always |
| 118 | * RUNNING (we will not have dequeued if state != RUNNING). |
| 119 | */ |
| 120 | if (preempt) |
| 121 | return TASK_REPORT_MAX; |
| 122 | |
| 123 | /* |
| 124 | * task_state_index() uses fls() and returns a value from 0-8 range. |
| 125 | * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using |
| 126 | * it for left shift operation to get the correct task->state |
| 127 | * mapping. |
| 128 | */ |
| 129 | state = __get_task_state(p); |
| 130 | |
| 131 | return state ? (1 << (state - 1)) : state; |
| 132 | } |
| 133 | #endif /* CREATE_TRACE_POINTS */ |
| 134 | |
| 135 | /* |
| 136 | * Tracepoint for task switches, performed by the scheduler: |
| 137 | */ |
| 138 | TRACE_EVENT(sched_switch, |
| 139 | |
| 140 | TP_PROTO(bool preempt, |
| 141 | struct task_struct *prev, |
| 142 | struct task_struct *next), |
| 143 | |
| 144 | TP_ARGS(preempt, prev, next), |
| 145 | |
| 146 | TP_STRUCT__entry( |
| 147 | __array( char, prev_comm, TASK_COMM_LEN ) |
| 148 | __field( pid_t, prev_pid ) |
| 149 | __field( int, prev_prio ) |
| 150 | __field( long, prev_state ) |
| 151 | __array( char, next_comm, TASK_COMM_LEN ) |
| 152 | __field( pid_t, next_pid ) |
| 153 | __field( int, next_prio ) |
| 154 | ), |
| 155 | |
| 156 | TP_fast_assign( |
| 157 | memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN); |
| 158 | __entry->prev_pid = prev->pid; |
| 159 | __entry->prev_prio = prev->prio; |
| 160 | __entry->prev_state = __trace_sched_switch_state(preempt, prev); |
| 161 | memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN); |
| 162 | __entry->next_pid = next->pid; |
| 163 | __entry->next_prio = next->prio; |
| 164 | /* XXX SCHED_DEADLINE */ |
| 165 | ), |
| 166 | |
| 167 | TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d", |
| 168 | __entry->prev_comm, __entry->prev_pid, __entry->prev_prio, |
| 169 | |
| 170 | (__entry->prev_state & (TASK_REPORT_MAX - 1)) ? |
| 171 | __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|", |
| 172 | { TASK_INTERRUPTIBLE, "S" }, |
| 173 | { TASK_UNINTERRUPTIBLE, "D" }, |
| 174 | { __TASK_STOPPED, "T" }, |
| 175 | { __TASK_TRACED, "t" }, |
| 176 | { EXIT_DEAD, "X" }, |
| 177 | { EXIT_ZOMBIE, "Z" }, |
| 178 | { TASK_PARKED, "P" }, |
| 179 | { TASK_DEAD, "I" }) : |
| 180 | "R", |
| 181 | |
| 182 | __entry->prev_state & TASK_REPORT_MAX ? "+" : "", |
| 183 | __entry->next_comm, __entry->next_pid, __entry->next_prio) |
| 184 | ); |
| 185 | |
| 186 | /* |
| 187 | * Tracepoint for a task being migrated: |
| 188 | */ |
| 189 | TRACE_EVENT(sched_migrate_task, |
| 190 | |
| 191 | TP_PROTO(struct task_struct *p, int dest_cpu), |
| 192 | |
| 193 | TP_ARGS(p, dest_cpu), |
| 194 | |
| 195 | TP_STRUCT__entry( |
| 196 | __array( char, comm, TASK_COMM_LEN ) |
| 197 | __field( pid_t, pid ) |
| 198 | __field( int, prio ) |
| 199 | __field( int, orig_cpu ) |
| 200 | __field( int, dest_cpu ) |
| 201 | ), |
| 202 | |
| 203 | TP_fast_assign( |
| 204 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 205 | __entry->pid = p->pid; |
| 206 | __entry->prio = p->prio; /* XXX SCHED_DEADLINE */ |
| 207 | __entry->orig_cpu = task_cpu(p); |
| 208 | __entry->dest_cpu = dest_cpu; |
| 209 | ), |
| 210 | |
| 211 | TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d", |
| 212 | __entry->comm, __entry->pid, __entry->prio, |
| 213 | __entry->orig_cpu, __entry->dest_cpu) |
| 214 | ); |
| 215 | |
| 216 | DECLARE_EVENT_CLASS(sched_process_template, |
| 217 | |
| 218 | TP_PROTO(struct task_struct *p), |
| 219 | |
| 220 | TP_ARGS(p), |
| 221 | |
| 222 | TP_STRUCT__entry( |
| 223 | __array( char, comm, TASK_COMM_LEN ) |
| 224 | __field( pid_t, pid ) |
| 225 | __field( int, prio ) |
| 226 | ), |
| 227 | |
| 228 | TP_fast_assign( |
| 229 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 230 | __entry->pid = p->pid; |
| 231 | __entry->prio = p->prio; /* XXX SCHED_DEADLINE */ |
| 232 | ), |
| 233 | |
| 234 | TP_printk("comm=%s pid=%d prio=%d", |
| 235 | __entry->comm, __entry->pid, __entry->prio) |
| 236 | ); |
| 237 | |
| 238 | /* |
| 239 | * Tracepoint for freeing a task: |
| 240 | */ |
| 241 | DEFINE_EVENT(sched_process_template, sched_process_free, |
| 242 | TP_PROTO(struct task_struct *p), |
| 243 | TP_ARGS(p)); |
| 244 | |
| 245 | |
| 246 | /* |
| 247 | * Tracepoint for a task exiting: |
| 248 | */ |
| 249 | DEFINE_EVENT(sched_process_template, sched_process_exit, |
| 250 | TP_PROTO(struct task_struct *p), |
| 251 | TP_ARGS(p)); |
| 252 | |
| 253 | /* |
| 254 | * Tracepoint for waiting on task to unschedule: |
| 255 | */ |
| 256 | DEFINE_EVENT(sched_process_template, sched_wait_task, |
| 257 | TP_PROTO(struct task_struct *p), |
| 258 | TP_ARGS(p)); |
| 259 | |
| 260 | /* |
| 261 | * Tracepoint for a waiting task: |
| 262 | */ |
| 263 | TRACE_EVENT(sched_process_wait, |
| 264 | |
| 265 | TP_PROTO(struct pid *pid), |
| 266 | |
| 267 | TP_ARGS(pid), |
| 268 | |
| 269 | TP_STRUCT__entry( |
| 270 | __array( char, comm, TASK_COMM_LEN ) |
| 271 | __field( pid_t, pid ) |
| 272 | __field( int, prio ) |
| 273 | ), |
| 274 | |
| 275 | TP_fast_assign( |
| 276 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 277 | __entry->pid = pid_nr(pid); |
| 278 | __entry->prio = current->prio; /* XXX SCHED_DEADLINE */ |
| 279 | ), |
| 280 | |
| 281 | TP_printk("comm=%s pid=%d prio=%d", |
| 282 | __entry->comm, __entry->pid, __entry->prio) |
| 283 | ); |
| 284 | |
| 285 | /* |
| 286 | * Tracepoint for do_fork: |
| 287 | */ |
| 288 | TRACE_EVENT(sched_process_fork, |
| 289 | |
| 290 | TP_PROTO(struct task_struct *parent, struct task_struct *child), |
| 291 | |
| 292 | TP_ARGS(parent, child), |
| 293 | |
| 294 | TP_STRUCT__entry( |
| 295 | __array( char, parent_comm, TASK_COMM_LEN ) |
| 296 | __field( pid_t, parent_pid ) |
| 297 | __array( char, child_comm, TASK_COMM_LEN ) |
| 298 | __field( pid_t, child_pid ) |
| 299 | ), |
| 300 | |
| 301 | TP_fast_assign( |
| 302 | memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN); |
| 303 | __entry->parent_pid = parent->pid; |
| 304 | memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN); |
| 305 | __entry->child_pid = child->pid; |
| 306 | ), |
| 307 | |
| 308 | TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d", |
| 309 | __entry->parent_comm, __entry->parent_pid, |
| 310 | __entry->child_comm, __entry->child_pid) |
| 311 | ); |
| 312 | |
| 313 | /* |
| 314 | * Tracepoint for exec: |
| 315 | */ |
| 316 | TRACE_EVENT(sched_process_exec, |
| 317 | |
| 318 | TP_PROTO(struct task_struct *p, pid_t old_pid, |
| 319 | struct linux_binprm *bprm), |
| 320 | |
| 321 | TP_ARGS(p, old_pid, bprm), |
| 322 | |
| 323 | TP_STRUCT__entry( |
| 324 | __string( filename, bprm->filename ) |
| 325 | __field( pid_t, pid ) |
| 326 | __field( pid_t, old_pid ) |
| 327 | ), |
| 328 | |
| 329 | TP_fast_assign( |
| 330 | __assign_str(filename, bprm->filename); |
| 331 | __entry->pid = p->pid; |
| 332 | __entry->old_pid = old_pid; |
| 333 | ), |
| 334 | |
| 335 | TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename), |
| 336 | __entry->pid, __entry->old_pid) |
| 337 | ); |
| 338 | |
| 339 | /* |
| 340 | * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE |
| 341 | * adding sched_stat support to SCHED_FIFO/RR would be welcome. |
| 342 | */ |
| 343 | DECLARE_EVENT_CLASS(sched_stat_template, |
| 344 | |
| 345 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 346 | |
| 347 | TP_ARGS(__perf_task(tsk), __perf_count(delay)), |
| 348 | |
| 349 | TP_STRUCT__entry( |
| 350 | __array( char, comm, TASK_COMM_LEN ) |
| 351 | __field( pid_t, pid ) |
| 352 | __field( u64, delay ) |
| 353 | ), |
| 354 | |
| 355 | TP_fast_assign( |
| 356 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 357 | __entry->pid = tsk->pid; |
| 358 | __entry->delay = delay; |
| 359 | ), |
| 360 | |
| 361 | TP_printk("comm=%s pid=%d delay=%Lu [ns]", |
| 362 | __entry->comm, __entry->pid, |
| 363 | (unsigned long long)__entry->delay) |
| 364 | ); |
| 365 | |
| 366 | |
| 367 | /* |
| 368 | * Tracepoint for accounting wait time (time the task is runnable |
| 369 | * but not actually running due to scheduler contention). |
| 370 | */ |
| 371 | DEFINE_EVENT(sched_stat_template, sched_stat_wait, |
| 372 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 373 | TP_ARGS(tsk, delay)); |
| 374 | |
| 375 | /* |
| 376 | * Tracepoint for accounting sleep time (time the task is not runnable, |
| 377 | * including iowait, see below). |
| 378 | */ |
| 379 | DEFINE_EVENT(sched_stat_template, sched_stat_sleep, |
| 380 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 381 | TP_ARGS(tsk, delay)); |
| 382 | |
| 383 | /* |
| 384 | * Tracepoint for accounting iowait time (time the task is not runnable |
| 385 | * due to waiting on IO to complete). |
| 386 | */ |
| 387 | DEFINE_EVENT(sched_stat_template, sched_stat_iowait, |
| 388 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 389 | TP_ARGS(tsk, delay)); |
| 390 | |
| 391 | /* |
| 392 | * Tracepoint for accounting blocked time (time the task is in uninterruptible). |
| 393 | */ |
| 394 | DEFINE_EVENT(sched_stat_template, sched_stat_blocked, |
| 395 | TP_PROTO(struct task_struct *tsk, u64 delay), |
| 396 | TP_ARGS(tsk, delay)); |
| 397 | |
| 398 | /* |
| 399 | * Tracepoint for recording the cause of uninterruptible sleep. |
| 400 | */ |
| 401 | TRACE_EVENT(sched_blocked_reason, |
| 402 | |
| 403 | TP_PROTO(struct task_struct *tsk), |
| 404 | |
| 405 | TP_ARGS(tsk), |
| 406 | |
| 407 | TP_STRUCT__entry( |
| 408 | __field( pid_t, pid ) |
| 409 | __field( void*, caller ) |
| 410 | __field( bool, io_wait ) |
| 411 | ), |
| 412 | |
| 413 | TP_fast_assign( |
| 414 | __entry->pid = tsk->pid; |
| 415 | __entry->caller = (void*)get_wchan(tsk); |
| 416 | __entry->io_wait = tsk->in_iowait; |
| 417 | ), |
| 418 | |
| 419 | TP_printk("pid=%d iowait=%d caller=%pS", __entry->pid, __entry->io_wait, __entry->caller) |
| 420 | ); |
| 421 | |
| 422 | /* |
| 423 | * Tracepoint for accounting runtime (time the task is executing |
| 424 | * on a CPU). |
| 425 | */ |
| 426 | DECLARE_EVENT_CLASS(sched_stat_runtime, |
| 427 | |
| 428 | TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime), |
| 429 | |
| 430 | TP_ARGS(tsk, __perf_count(runtime), vruntime), |
| 431 | |
| 432 | TP_STRUCT__entry( |
| 433 | __array( char, comm, TASK_COMM_LEN ) |
| 434 | __field( pid_t, pid ) |
| 435 | __field( u64, runtime ) |
| 436 | __field( u64, vruntime ) |
| 437 | ), |
| 438 | |
| 439 | TP_fast_assign( |
| 440 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 441 | __entry->pid = tsk->pid; |
| 442 | __entry->runtime = runtime; |
| 443 | __entry->vruntime = vruntime; |
| 444 | ), |
| 445 | |
| 446 | TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]", |
| 447 | __entry->comm, __entry->pid, |
| 448 | (unsigned long long)__entry->runtime, |
| 449 | (unsigned long long)__entry->vruntime) |
| 450 | ); |
| 451 | |
| 452 | DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime, |
| 453 | TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime), |
| 454 | TP_ARGS(tsk, runtime, vruntime)); |
| 455 | |
| 456 | /* |
| 457 | * Tracepoint for showing priority inheritance modifying a tasks |
| 458 | * priority. |
| 459 | */ |
| 460 | TRACE_EVENT(sched_pi_setprio, |
| 461 | |
| 462 | TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task), |
| 463 | |
| 464 | TP_ARGS(tsk, pi_task), |
| 465 | |
| 466 | TP_STRUCT__entry( |
| 467 | __array( char, comm, TASK_COMM_LEN ) |
| 468 | __field( pid_t, pid ) |
| 469 | __field( int, oldprio ) |
| 470 | __field( int, newprio ) |
| 471 | ), |
| 472 | |
| 473 | TP_fast_assign( |
| 474 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 475 | __entry->pid = tsk->pid; |
| 476 | __entry->oldprio = tsk->prio; |
| 477 | __entry->newprio = pi_task ? |
| 478 | min(tsk->normal_prio, pi_task->prio) : |
| 479 | tsk->normal_prio; |
| 480 | /* XXX SCHED_DEADLINE bits missing */ |
| 481 | ), |
| 482 | |
| 483 | TP_printk("comm=%s pid=%d oldprio=%d newprio=%d", |
| 484 | __entry->comm, __entry->pid, |
| 485 | __entry->oldprio, __entry->newprio) |
| 486 | ); |
| 487 | |
| 488 | #ifdef CONFIG_DETECT_HUNG_TASK |
| 489 | TRACE_EVENT(sched_process_hang, |
| 490 | TP_PROTO(struct task_struct *tsk), |
| 491 | TP_ARGS(tsk), |
| 492 | |
| 493 | TP_STRUCT__entry( |
| 494 | __array( char, comm, TASK_COMM_LEN ) |
| 495 | __field( pid_t, pid ) |
| 496 | ), |
| 497 | |
| 498 | TP_fast_assign( |
| 499 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 500 | __entry->pid = tsk->pid; |
| 501 | ), |
| 502 | |
| 503 | TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid) |
| 504 | ); |
| 505 | #endif /* CONFIG_DETECT_HUNG_TASK */ |
| 506 | |
| 507 | DECLARE_EVENT_CLASS(sched_move_task_template, |
| 508 | |
| 509 | TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu), |
| 510 | |
| 511 | TP_ARGS(tsk, src_cpu, dst_cpu), |
| 512 | |
| 513 | TP_STRUCT__entry( |
| 514 | __field( pid_t, pid ) |
| 515 | __field( pid_t, tgid ) |
| 516 | __field( pid_t, ngid ) |
| 517 | __field( int, src_cpu ) |
| 518 | __field( int, src_nid ) |
| 519 | __field( int, dst_cpu ) |
| 520 | __field( int, dst_nid ) |
| 521 | ), |
| 522 | |
| 523 | TP_fast_assign( |
| 524 | __entry->pid = task_pid_nr(tsk); |
| 525 | __entry->tgid = task_tgid_nr(tsk); |
| 526 | __entry->ngid = task_numa_group_id(tsk); |
| 527 | __entry->src_cpu = src_cpu; |
| 528 | __entry->src_nid = cpu_to_node(src_cpu); |
| 529 | __entry->dst_cpu = dst_cpu; |
| 530 | __entry->dst_nid = cpu_to_node(dst_cpu); |
| 531 | ), |
| 532 | |
| 533 | TP_printk("pid=%d tgid=%d ngid=%d src_cpu=%d src_nid=%d dst_cpu=%d dst_nid=%d", |
| 534 | __entry->pid, __entry->tgid, __entry->ngid, |
| 535 | __entry->src_cpu, __entry->src_nid, |
| 536 | __entry->dst_cpu, __entry->dst_nid) |
| 537 | ); |
| 538 | |
| 539 | /* |
| 540 | * Tracks migration of tasks from one runqueue to another. Can be used to |
| 541 | * detect if automatic NUMA balancing is bouncing between nodes |
| 542 | */ |
| 543 | DEFINE_EVENT(sched_move_task_template, sched_move_numa, |
| 544 | TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu), |
| 545 | |
| 546 | TP_ARGS(tsk, src_cpu, dst_cpu) |
| 547 | ); |
| 548 | |
| 549 | DEFINE_EVENT(sched_move_task_template, sched_stick_numa, |
| 550 | TP_PROTO(struct task_struct *tsk, int src_cpu, int dst_cpu), |
| 551 | |
| 552 | TP_ARGS(tsk, src_cpu, dst_cpu) |
| 553 | ); |
| 554 | |
| 555 | TRACE_EVENT(sched_swap_numa, |
| 556 | |
| 557 | TP_PROTO(struct task_struct *src_tsk, int src_cpu, |
| 558 | struct task_struct *dst_tsk, int dst_cpu), |
| 559 | |
| 560 | TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu), |
| 561 | |
| 562 | TP_STRUCT__entry( |
| 563 | __field( pid_t, src_pid ) |
| 564 | __field( pid_t, src_tgid ) |
| 565 | __field( pid_t, src_ngid ) |
| 566 | __field( int, src_cpu ) |
| 567 | __field( int, src_nid ) |
| 568 | __field( pid_t, dst_pid ) |
| 569 | __field( pid_t, dst_tgid ) |
| 570 | __field( pid_t, dst_ngid ) |
| 571 | __field( int, dst_cpu ) |
| 572 | __field( int, dst_nid ) |
| 573 | ), |
| 574 | |
| 575 | TP_fast_assign( |
| 576 | __entry->src_pid = task_pid_nr(src_tsk); |
| 577 | __entry->src_tgid = task_tgid_nr(src_tsk); |
| 578 | __entry->src_ngid = task_numa_group_id(src_tsk); |
| 579 | __entry->src_cpu = src_cpu; |
| 580 | __entry->src_nid = cpu_to_node(src_cpu); |
| 581 | __entry->dst_pid = task_pid_nr(dst_tsk); |
| 582 | __entry->dst_tgid = task_tgid_nr(dst_tsk); |
| 583 | __entry->dst_ngid = task_numa_group_id(dst_tsk); |
| 584 | __entry->dst_cpu = dst_cpu; |
| 585 | __entry->dst_nid = cpu_to_node(dst_cpu); |
| 586 | ), |
| 587 | |
| 588 | 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", |
| 589 | __entry->src_pid, __entry->src_tgid, __entry->src_ngid, |
| 590 | __entry->src_cpu, __entry->src_nid, |
| 591 | __entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid, |
| 592 | __entry->dst_cpu, __entry->dst_nid) |
| 593 | ); |
| 594 | |
| 595 | /* |
| 596 | * Tracepoint for waking a polling cpu without an IPI. |
| 597 | */ |
| 598 | TRACE_EVENT(sched_wake_idle_without_ipi, |
| 599 | |
| 600 | TP_PROTO(int cpu), |
| 601 | |
| 602 | TP_ARGS(cpu), |
| 603 | |
| 604 | TP_STRUCT__entry( |
| 605 | __field( int, cpu ) |
| 606 | ), |
| 607 | |
| 608 | TP_fast_assign( |
| 609 | __entry->cpu = cpu; |
| 610 | ), |
| 611 | |
| 612 | TP_printk("cpu=%d", __entry->cpu) |
| 613 | ); |
| 614 | |
| 615 | #ifdef CONFIG_SMP |
| 616 | #ifdef CREATE_TRACE_POINTS |
| 617 | static inline |
| 618 | int __trace_sched_cpu(struct cfs_rq *cfs_rq, struct sched_entity *se) |
| 619 | { |
| 620 | #ifdef CONFIG_FAIR_GROUP_SCHED |
| 621 | struct rq *rq = cfs_rq ? cfs_rq->rq : NULL; |
| 622 | #else |
| 623 | struct rq *rq = cfs_rq ? container_of(cfs_rq, struct rq, cfs) : NULL; |
| 624 | #endif |
| 625 | return rq ? cpu_of(rq) |
| 626 | : task_cpu((container_of(se, struct task_struct, se))); |
| 627 | } |
| 628 | |
| 629 | static inline |
| 630 | int __trace_sched_path(struct cfs_rq *cfs_rq, char *path, int len) |
| 631 | { |
| 632 | #ifdef CONFIG_FAIR_GROUP_SCHED |
| 633 | int l = path ? len : 0; |
| 634 | |
| 635 | if (cfs_rq && task_group_is_autogroup(cfs_rq->tg)) |
| 636 | return autogroup_path(cfs_rq->tg, path, l) + 1; |
| 637 | else if (cfs_rq && cfs_rq->tg->css.cgroup) |
| 638 | return cgroup_path(cfs_rq->tg->css.cgroup, path, l) + 1; |
| 639 | #endif |
| 640 | if (path) |
| 641 | strcpy(path, "(null)"); |
| 642 | |
| 643 | return strlen("(null)"); |
| 644 | } |
| 645 | |
| 646 | static inline |
| 647 | struct cfs_rq *__trace_sched_group_cfs_rq(struct sched_entity *se) |
| 648 | { |
| 649 | #ifdef CONFIG_FAIR_GROUP_SCHED |
| 650 | return se->my_q; |
| 651 | #else |
| 652 | return NULL; |
| 653 | #endif |
| 654 | } |
| 655 | #endif /* CREATE_TRACE_POINTS */ |
| 656 | |
| 657 | #ifdef CONFIG_SCHED_WALT |
| 658 | extern unsigned int sysctl_sched_use_walt_cpu_util; |
| 659 | extern unsigned int sysctl_sched_use_walt_task_util; |
| 660 | extern unsigned int walt_ravg_window; |
| 661 | extern bool walt_disabled; |
| 662 | |
| 663 | #define walt_util(util_var, demand_sum) {\ |
| 664 | u64 sum = demand_sum << SCHED_CAPACITY_SHIFT;\ |
| 665 | do_div(sum, walt_ravg_window);\ |
| 666 | util_var = (typeof(util_var))sum;\ |
| 667 | } |
| 668 | #endif |
| 669 | |
| 670 | /* |
| 671 | * Tracepoint for cfs_rq load tracking: |
| 672 | */ |
| 673 | TRACE_EVENT(sched_load_cfs_rq, |
| 674 | |
| 675 | TP_PROTO(struct cfs_rq *cfs_rq), |
| 676 | |
| 677 | TP_ARGS(cfs_rq), |
| 678 | |
| 679 | TP_STRUCT__entry( |
| 680 | __field( int, cpu ) |
| 681 | __dynamic_array(char, path, |
| 682 | __trace_sched_path(cfs_rq, NULL, 0) ) |
| 683 | __field( unsigned long, load ) |
| 684 | __field( unsigned long, util ) |
| 685 | __field( unsigned long, util_pelt ) |
| 686 | __field( unsigned long, util_walt ) |
| 687 | ), |
| 688 | |
| 689 | TP_fast_assign( |
| 690 | __entry->cpu = __trace_sched_cpu(cfs_rq, NULL); |
| 691 | __trace_sched_path(cfs_rq, __get_dynamic_array(path), |
| 692 | __get_dynamic_array_len(path)); |
| 693 | __entry->load = cfs_rq->runnable_load_avg; |
| 694 | __entry->util = cfs_rq->avg.util_avg; |
| 695 | __entry->util_pelt = cfs_rq->avg.util_avg; |
| 696 | __entry->util_walt = 0; |
| 697 | #ifdef CONFIG_SCHED_WALT |
| 698 | if (&cfs_rq->rq->cfs == cfs_rq) { |
| 699 | walt_util(__entry->util_walt, |
| 700 | cfs_rq->rq->prev_runnable_sum); |
| 701 | if (!walt_disabled && sysctl_sched_use_walt_cpu_util) |
| 702 | __entry->util = __entry->util_walt; |
| 703 | } |
| 704 | #endif |
| 705 | ), |
| 706 | |
| 707 | TP_printk("cpu=%d path=%s load=%lu util=%lu util_pelt=%lu util_walt=%lu", |
| 708 | __entry->cpu, __get_str(path), __entry->load, __entry->util, |
| 709 | __entry->util_pelt, __entry->util_walt) |
| 710 | ); |
| 711 | |
| 712 | /* |
| 713 | * Tracepoint for rt_rq load tracking: |
| 714 | */ |
| 715 | struct rt_rq; |
| 716 | |
| 717 | TRACE_EVENT(sched_load_rt_rq, |
| 718 | |
| 719 | TP_PROTO(int cpu, struct rt_rq *rt_rq), |
| 720 | |
| 721 | TP_ARGS(cpu, rt_rq), |
| 722 | |
| 723 | TP_STRUCT__entry( |
| 724 | __field( int, cpu ) |
| 725 | __field( unsigned long, util ) |
| 726 | ), |
| 727 | |
| 728 | TP_fast_assign( |
| 729 | __entry->cpu = cpu; |
| 730 | __entry->util = rt_rq->avg.util_avg; |
| 731 | ), |
| 732 | |
| 733 | TP_printk("cpu=%d util=%lu", __entry->cpu, |
| 734 | __entry->util) |
| 735 | ); |
| 736 | |
| 737 | /* |
| 738 | * Tracepoint for sched_entity load tracking: |
| 739 | */ |
| 740 | TRACE_EVENT(sched_load_se, |
| 741 | |
| 742 | TP_PROTO(struct sched_entity *se), |
| 743 | |
| 744 | TP_ARGS(se), |
| 745 | |
| 746 | TP_STRUCT__entry( |
| 747 | __field( int, cpu ) |
| 748 | __dynamic_array(char, path, |
| 749 | __trace_sched_path(__trace_sched_group_cfs_rq(se), NULL, 0) ) |
| 750 | __array( char, comm, TASK_COMM_LEN ) |
| 751 | __field( pid_t, pid ) |
| 752 | __field( unsigned long, load ) |
| 753 | __field( unsigned long, util ) |
| 754 | __field( unsigned long, util_pelt ) |
| 755 | __field( unsigned long, util_walt ) |
| 756 | ), |
| 757 | |
| 758 | TP_fast_assign( |
| 759 | struct cfs_rq *gcfs_rq = __trace_sched_group_cfs_rq(se); |
| 760 | struct task_struct *p = gcfs_rq ? NULL |
| 761 | : container_of(se, struct task_struct, se); |
| 762 | |
| 763 | __entry->cpu = __trace_sched_cpu(gcfs_rq, se); |
| 764 | __trace_sched_path(gcfs_rq, __get_dynamic_array(path), |
| 765 | __get_dynamic_array_len(path)); |
| 766 | memcpy(__entry->comm, p ? p->comm : "(null)", TASK_COMM_LEN); |
| 767 | __entry->pid = p ? p->pid : -1; |
| 768 | __entry->load = se->avg.load_avg; |
| 769 | __entry->util = se->avg.util_avg; |
| 770 | __entry->util_pelt = __entry->util; |
| 771 | __entry->util_walt = 0; |
| 772 | #ifdef CONFIG_SCHED_WALT |
| 773 | if (!se->my_q) { |
| 774 | struct task_struct *p = container_of(se, struct task_struct, se); |
| 775 | walt_util(__entry->util_walt, p->ravg.demand); |
| 776 | if (!walt_disabled && sysctl_sched_use_walt_task_util) |
| 777 | __entry->util = __entry->util_walt; |
| 778 | } |
| 779 | #endif |
| 780 | ), |
| 781 | |
| 782 | TP_printk("cpu=%d path=%s comm=%s pid=%d load=%lu util=%lu util_pelt=%lu util_walt=%lu", |
| 783 | __entry->cpu, __get_str(path), __entry->comm, |
| 784 | __entry->pid, __entry->load, __entry->util, |
| 785 | __entry->util_pelt, __entry->util_walt) |
| 786 | ); |
| 787 | |
| 788 | /* |
| 789 | * Tracepoint for task_group load tracking: |
| 790 | */ |
| 791 | #ifdef CONFIG_FAIR_GROUP_SCHED |
| 792 | TRACE_EVENT(sched_load_tg, |
| 793 | |
| 794 | TP_PROTO(struct cfs_rq *cfs_rq), |
| 795 | |
| 796 | TP_ARGS(cfs_rq), |
| 797 | |
| 798 | TP_STRUCT__entry( |
| 799 | __field( int, cpu ) |
| 800 | __dynamic_array(char, path, |
| 801 | __trace_sched_path(cfs_rq, NULL, 0) ) |
| 802 | __field( long, load ) |
| 803 | ), |
| 804 | |
| 805 | TP_fast_assign( |
| 806 | __entry->cpu = cfs_rq->rq->cpu; |
| 807 | __trace_sched_path(cfs_rq, __get_dynamic_array(path), |
| 808 | __get_dynamic_array_len(path)); |
| 809 | __entry->load = atomic_long_read(&cfs_rq->tg->load_avg); |
| 810 | ), |
| 811 | |
| 812 | TP_printk("cpu=%d path=%s load=%ld", __entry->cpu, __get_str(path), |
| 813 | __entry->load) |
| 814 | ); |
| 815 | #endif /* CONFIG_FAIR_GROUP_SCHED */ |
| 816 | |
| 817 | /* |
| 818 | * Tracepoint for accounting CPU boosted utilization |
| 819 | */ |
| 820 | TRACE_EVENT(sched_boost_cpu, |
| 821 | |
| 822 | TP_PROTO(int cpu, unsigned long util, long margin), |
| 823 | |
| 824 | TP_ARGS(cpu, util, margin), |
| 825 | |
| 826 | TP_STRUCT__entry( |
| 827 | __field( int, cpu ) |
| 828 | __field( unsigned long, util ) |
| 829 | __field(long, margin ) |
| 830 | ), |
| 831 | |
| 832 | TP_fast_assign( |
| 833 | __entry->cpu = cpu; |
| 834 | __entry->util = util; |
| 835 | __entry->margin = margin; |
| 836 | ), |
| 837 | |
| 838 | TP_printk("cpu=%d util=%lu margin=%ld", |
| 839 | __entry->cpu, |
| 840 | __entry->util, |
| 841 | __entry->margin) |
| 842 | ); |
| 843 | |
| 844 | /* |
| 845 | * Tracepoint for schedtune_tasks_update |
| 846 | */ |
| 847 | TRACE_EVENT(sched_tune_tasks_update, |
| 848 | |
| 849 | TP_PROTO(struct task_struct *tsk, int cpu, int tasks, int idx, |
| 850 | int boost, int max_boost, u64 group_ts), |
| 851 | |
| 852 | TP_ARGS(tsk, cpu, tasks, idx, boost, max_boost, group_ts), |
| 853 | |
| 854 | TP_STRUCT__entry( |
| 855 | __array( char, comm, TASK_COMM_LEN ) |
| 856 | __field( pid_t, pid ) |
| 857 | __field( int, cpu ) |
| 858 | __field( int, tasks ) |
| 859 | __field( int, idx ) |
| 860 | __field( int, boost ) |
| 861 | __field( int, max_boost ) |
| 862 | __field( u64, group_ts ) |
| 863 | ), |
| 864 | |
| 865 | TP_fast_assign( |
| 866 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 867 | __entry->pid = tsk->pid; |
| 868 | __entry->cpu = cpu; |
| 869 | __entry->tasks = tasks; |
| 870 | __entry->idx = idx; |
| 871 | __entry->boost = boost; |
| 872 | __entry->max_boost = max_boost; |
| 873 | __entry->group_ts = group_ts; |
| 874 | ), |
| 875 | |
| 876 | TP_printk("pid=%d comm=%s " |
| 877 | "cpu=%d tasks=%d idx=%d boost=%d max_boost=%d timeout=%llu", |
| 878 | __entry->pid, __entry->comm, |
| 879 | __entry->cpu, __entry->tasks, __entry->idx, |
| 880 | __entry->boost, __entry->max_boost, |
| 881 | __entry->group_ts) |
| 882 | ); |
| 883 | |
| 884 | /* |
| 885 | * Tracepoint for schedtune_boostgroup_update |
| 886 | */ |
| 887 | TRACE_EVENT(sched_tune_boostgroup_update, |
| 888 | |
| 889 | TP_PROTO(int cpu, int variation, int max_boost), |
| 890 | |
| 891 | TP_ARGS(cpu, variation, max_boost), |
| 892 | |
| 893 | TP_STRUCT__entry( |
| 894 | __field( int, cpu ) |
| 895 | __field( int, variation ) |
| 896 | __field( int, max_boost ) |
| 897 | ), |
| 898 | |
| 899 | TP_fast_assign( |
| 900 | __entry->cpu = cpu; |
| 901 | __entry->variation = variation; |
| 902 | __entry->max_boost = max_boost; |
| 903 | ), |
| 904 | |
| 905 | TP_printk("cpu=%d variation=%d max_boost=%d", |
| 906 | __entry->cpu, __entry->variation, __entry->max_boost) |
| 907 | ); |
| 908 | |
| 909 | /* |
| 910 | * Tracepoint for accounting task boosted utilization |
| 911 | */ |
| 912 | TRACE_EVENT(sched_boost_task, |
| 913 | |
| 914 | TP_PROTO(struct task_struct *tsk, unsigned long util, long margin), |
| 915 | |
| 916 | TP_ARGS(tsk, util, margin), |
| 917 | |
| 918 | TP_STRUCT__entry( |
| 919 | __array( char, comm, TASK_COMM_LEN ) |
| 920 | __field( pid_t, pid ) |
| 921 | __field( unsigned long, util ) |
| 922 | __field( long, margin ) |
| 923 | |
| 924 | ), |
| 925 | |
| 926 | TP_fast_assign( |
| 927 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 928 | __entry->pid = tsk->pid; |
| 929 | __entry->util = util; |
| 930 | __entry->margin = margin; |
| 931 | ), |
| 932 | |
| 933 | TP_printk("comm=%s pid=%d util=%lu margin=%ld", |
| 934 | __entry->comm, __entry->pid, |
| 935 | __entry->util, |
| 936 | __entry->margin) |
| 937 | ); |
| 938 | |
| 939 | /* |
| 940 | * Tracepoint for system overutilized flag |
| 941 | */ |
| 942 | struct sched_domain; |
| 943 | TRACE_EVENT_CONDITION(sched_overutilized, |
| 944 | |
| 945 | TP_PROTO(struct sched_domain *sd, bool was_overutilized, bool overutilized), |
| 946 | |
| 947 | TP_ARGS(sd, was_overutilized, overutilized), |
| 948 | |
| 949 | TP_CONDITION(overutilized != was_overutilized), |
| 950 | |
| 951 | TP_STRUCT__entry( |
| 952 | __field( bool, overutilized ) |
| 953 | __array( char, cpulist , 32 ) |
| 954 | ), |
| 955 | |
| 956 | TP_fast_assign( |
| 957 | __entry->overutilized = overutilized; |
| 958 | scnprintf(__entry->cpulist, sizeof(__entry->cpulist), "%*pbl", cpumask_pr_args(sched_domain_span(sd))); |
| 959 | ), |
| 960 | |
| 961 | TP_printk("overutilized=%d sd_span=%s", |
| 962 | __entry->overutilized ? 1 : 0, __entry->cpulist) |
| 963 | ); |
| 964 | |
| 965 | /* |
| 966 | * Tracepoint for find_best_target |
| 967 | */ |
| 968 | TRACE_EVENT(sched_find_best_target, |
| 969 | |
| 970 | TP_PROTO(struct task_struct *tsk, bool prefer_idle, |
| 971 | unsigned long min_util, int start_cpu, |
| 972 | int best_idle, int best_active, int target), |
| 973 | |
| 974 | TP_ARGS(tsk, prefer_idle, min_util, start_cpu, |
| 975 | best_idle, best_active, target), |
| 976 | |
| 977 | TP_STRUCT__entry( |
| 978 | __array( char, comm, TASK_COMM_LEN ) |
| 979 | __field( pid_t, pid ) |
| 980 | __field( unsigned long, min_util ) |
| 981 | __field( bool, prefer_idle ) |
| 982 | __field( int, start_cpu ) |
| 983 | __field( int, best_idle ) |
| 984 | __field( int, best_active ) |
| 985 | __field( int, target ) |
| 986 | ), |
| 987 | |
| 988 | TP_fast_assign( |
| 989 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 990 | __entry->pid = tsk->pid; |
| 991 | __entry->min_util = min_util; |
| 992 | __entry->prefer_idle = prefer_idle; |
| 993 | __entry->start_cpu = start_cpu; |
| 994 | __entry->best_idle = best_idle; |
| 995 | __entry->best_active = best_active; |
| 996 | __entry->target = target; |
| 997 | ), |
| 998 | |
| 999 | TP_printk("pid=%d comm=%s prefer_idle=%d start_cpu=%d " |
| 1000 | "best_idle=%d best_active=%d target=%d", |
| 1001 | __entry->pid, __entry->comm, |
| 1002 | __entry->prefer_idle, __entry->start_cpu, |
| 1003 | __entry->best_idle, __entry->best_active, |
| 1004 | __entry->target) |
| 1005 | ); |
| 1006 | |
| 1007 | /* |
| 1008 | * Tracepoint for tasks' estimated utilization. |
| 1009 | */ |
| 1010 | TRACE_EVENT(sched_util_est_task, |
| 1011 | |
| 1012 | TP_PROTO(struct task_struct *tsk, struct sched_avg *avg), |
| 1013 | |
| 1014 | TP_ARGS(tsk, avg), |
| 1015 | |
| 1016 | TP_STRUCT__entry( |
| 1017 | __array( char, comm, TASK_COMM_LEN ) |
| 1018 | __field( pid_t, pid ) |
| 1019 | __field( int, cpu ) |
| 1020 | __field( unsigned int, util_avg ) |
| 1021 | __field( unsigned int, est_enqueued ) |
| 1022 | __field( unsigned int, est_ewma ) |
| 1023 | ), |
| 1024 | |
| 1025 | TP_fast_assign( |
| 1026 | memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); |
| 1027 | __entry->pid = tsk->pid; |
| 1028 | __entry->cpu = task_cpu(tsk); |
| 1029 | __entry->util_avg = avg->util_avg; |
| 1030 | __entry->est_enqueued = avg->util_est.enqueued; |
| 1031 | __entry->est_ewma = avg->util_est.ewma; |
| 1032 | ), |
| 1033 | |
| 1034 | TP_printk("comm=%s pid=%d cpu=%d util_avg=%u util_est_ewma=%u util_est_enqueued=%u", |
| 1035 | __entry->comm, |
| 1036 | __entry->pid, |
| 1037 | __entry->cpu, |
| 1038 | __entry->util_avg, |
| 1039 | __entry->est_ewma, |
| 1040 | __entry->est_enqueued) |
| 1041 | ); |
| 1042 | |
| 1043 | /* |
| 1044 | * Tracepoint for root cfs_rq's estimated utilization. |
| 1045 | */ |
| 1046 | TRACE_EVENT(sched_util_est_cpu, |
| 1047 | |
| 1048 | TP_PROTO(int cpu, struct cfs_rq *cfs_rq), |
| 1049 | |
| 1050 | TP_ARGS(cpu, cfs_rq), |
| 1051 | |
| 1052 | TP_STRUCT__entry( |
| 1053 | __field( int, cpu ) |
| 1054 | __field( unsigned int, util_avg ) |
| 1055 | __field( unsigned int, util_est_enqueued ) |
| 1056 | ), |
| 1057 | |
| 1058 | TP_fast_assign( |
| 1059 | __entry->cpu = cpu; |
| 1060 | __entry->util_avg = cfs_rq->avg.util_avg; |
| 1061 | __entry->util_est_enqueued = cfs_rq->avg.util_est.enqueued; |
| 1062 | ), |
| 1063 | |
| 1064 | TP_printk("cpu=%d util_avg=%u util_est_enqueued=%u", |
| 1065 | __entry->cpu, |
| 1066 | __entry->util_avg, |
| 1067 | __entry->util_est_enqueued) |
| 1068 | ); |
| 1069 | |
| 1070 | #ifdef CONFIG_SCHED_WALT |
| 1071 | struct rq; |
| 1072 | |
| 1073 | TRACE_EVENT(walt_update_task_ravg, |
| 1074 | |
| 1075 | TP_PROTO(struct task_struct *p, struct rq *rq, int evt, |
| 1076 | u64 wallclock, u64 irqtime), |
| 1077 | |
| 1078 | TP_ARGS(p, rq, evt, wallclock, irqtime), |
| 1079 | |
| 1080 | TP_STRUCT__entry( |
| 1081 | __array( char, comm, TASK_COMM_LEN ) |
| 1082 | __field( pid_t, pid ) |
| 1083 | __field( pid_t, cur_pid ) |
| 1084 | __field( u64, wallclock ) |
| 1085 | __field( u64, mark_start ) |
| 1086 | __field( u64, delta_m ) |
| 1087 | __field( u64, win_start ) |
| 1088 | __field( u64, delta ) |
| 1089 | __field( u64, irqtime ) |
| 1090 | __array( char, evt, 16 ) |
| 1091 | __field(unsigned int, demand ) |
| 1092 | __field(unsigned int, sum ) |
| 1093 | __field( int, cpu ) |
| 1094 | __field( u64, cs ) |
| 1095 | __field( u64, ps ) |
| 1096 | __field( u32, curr_window ) |
| 1097 | __field( u32, prev_window ) |
| 1098 | __field( u64, nt_cs ) |
| 1099 | __field( u64, nt_ps ) |
| 1100 | __field( u32, active_windows ) |
| 1101 | ), |
| 1102 | |
| 1103 | TP_fast_assign( |
| 1104 | static const char* walt_event_names[] = |
| 1105 | { |
| 1106 | "PUT_PREV_TASK", |
| 1107 | "PICK_NEXT_TASK", |
| 1108 | "TASK_WAKE", |
| 1109 | "TASK_MIGRATE", |
| 1110 | "TASK_UPDATE", |
| 1111 | "IRQ_UPDATE" |
| 1112 | }; |
| 1113 | __entry->wallclock = wallclock; |
| 1114 | __entry->win_start = rq->window_start; |
| 1115 | __entry->delta = (wallclock - rq->window_start); |
| 1116 | strcpy(__entry->evt, walt_event_names[evt]); |
| 1117 | __entry->cpu = rq->cpu; |
| 1118 | __entry->cur_pid = rq->curr->pid; |
| 1119 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 1120 | __entry->pid = p->pid; |
| 1121 | __entry->mark_start = p->ravg.mark_start; |
| 1122 | __entry->delta_m = (wallclock - p->ravg.mark_start); |
| 1123 | __entry->demand = p->ravg.demand; |
| 1124 | __entry->sum = p->ravg.sum; |
| 1125 | __entry->irqtime = irqtime; |
| 1126 | __entry->cs = rq->curr_runnable_sum; |
| 1127 | __entry->ps = rq->prev_runnable_sum; |
| 1128 | __entry->curr_window = p->ravg.curr_window; |
| 1129 | __entry->prev_window = p->ravg.prev_window; |
| 1130 | __entry->nt_cs = rq->nt_curr_runnable_sum; |
| 1131 | __entry->nt_ps = rq->nt_prev_runnable_sum; |
| 1132 | __entry->active_windows = p->ravg.active_windows; |
| 1133 | ), |
| 1134 | |
| 1135 | TP_printk("wallclock=%llu window_start=%llu delta=%llu event=%s cpu=%d cur_pid=%d pid=%d comm=%s" |
| 1136 | " mark_start=%llu delta=%llu demand=%u sum=%u irqtime=%llu" |
| 1137 | " curr_runnable_sum=%llu prev_runnable_sum=%llu cur_window=%u" |
| 1138 | " prev_window=%u nt_curr_runnable_sum=%llu nt_prev_runnable_sum=%llu active_windows=%u", |
| 1139 | __entry->wallclock, __entry->win_start, __entry->delta, |
| 1140 | __entry->evt, __entry->cpu, __entry->cur_pid, |
| 1141 | __entry->pid, __entry->comm, __entry->mark_start, |
| 1142 | __entry->delta_m, __entry->demand, |
| 1143 | __entry->sum, __entry->irqtime, |
| 1144 | __entry->cs, __entry->ps, |
| 1145 | __entry->curr_window, __entry->prev_window, |
| 1146 | __entry->nt_cs, __entry->nt_ps, |
| 1147 | __entry->active_windows |
| 1148 | ) |
| 1149 | ); |
| 1150 | |
| 1151 | TRACE_EVENT(walt_update_history, |
| 1152 | |
| 1153 | TP_PROTO(struct rq *rq, struct task_struct *p, u32 runtime, int samples, |
| 1154 | int evt), |
| 1155 | |
| 1156 | TP_ARGS(rq, p, runtime, samples, evt), |
| 1157 | |
| 1158 | TP_STRUCT__entry( |
| 1159 | __array( char, comm, TASK_COMM_LEN ) |
| 1160 | __field( pid_t, pid ) |
| 1161 | __field(unsigned int, runtime ) |
| 1162 | __field( int, samples ) |
| 1163 | __field( int, evt ) |
| 1164 | __field( u64, demand ) |
| 1165 | __field(unsigned int, walt_avg ) |
| 1166 | __field(unsigned int, pelt_avg ) |
| 1167 | __array( u32, hist, RAVG_HIST_SIZE_MAX) |
| 1168 | __field( int, cpu ) |
| 1169 | ), |
| 1170 | |
| 1171 | TP_fast_assign( |
| 1172 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 1173 | __entry->pid = p->pid; |
| 1174 | __entry->runtime = runtime; |
| 1175 | __entry->samples = samples; |
| 1176 | __entry->evt = evt; |
| 1177 | __entry->demand = p->ravg.demand; |
| 1178 | walt_util(__entry->walt_avg,__entry->demand); |
| 1179 | __entry->pelt_avg = p->se.avg.util_avg; |
| 1180 | memcpy(__entry->hist, p->ravg.sum_history, |
| 1181 | RAVG_HIST_SIZE_MAX * sizeof(u32)); |
| 1182 | __entry->cpu = rq->cpu; |
| 1183 | ), |
| 1184 | |
| 1185 | TP_printk("pid=%d comm=%s runtime=%u samples=%d event=%d demand=%llu ravg_window=%u" |
| 1186 | " walt=%u pelt=%u hist0=%u hist1=%u hist2=%u hist3=%u hist4=%u cpu=%d", |
| 1187 | __entry->pid, __entry->comm, |
| 1188 | __entry->runtime, __entry->samples, __entry->evt, |
| 1189 | __entry->demand, |
| 1190 | walt_ravg_window, |
| 1191 | __entry->walt_avg, |
| 1192 | __entry->pelt_avg, |
| 1193 | __entry->hist[0], __entry->hist[1], |
| 1194 | __entry->hist[2], __entry->hist[3], |
| 1195 | __entry->hist[4], __entry->cpu) |
| 1196 | ); |
| 1197 | |
| 1198 | TRACE_EVENT(walt_migration_update_sum, |
| 1199 | |
| 1200 | TP_PROTO(struct rq *rq, struct task_struct *p), |
| 1201 | |
| 1202 | TP_ARGS(rq, p), |
| 1203 | |
| 1204 | TP_STRUCT__entry( |
| 1205 | __field(int, cpu ) |
| 1206 | __field(int, pid ) |
| 1207 | __field( u64, cs ) |
| 1208 | __field( u64, ps ) |
| 1209 | __field( s64, nt_cs ) |
| 1210 | __field( s64, nt_ps ) |
| 1211 | ), |
| 1212 | |
| 1213 | TP_fast_assign( |
| 1214 | __entry->cpu = cpu_of(rq); |
| 1215 | __entry->cs = rq->curr_runnable_sum; |
| 1216 | __entry->ps = rq->prev_runnable_sum; |
| 1217 | __entry->nt_cs = (s64)rq->nt_curr_runnable_sum; |
| 1218 | __entry->nt_ps = (s64)rq->nt_prev_runnable_sum; |
| 1219 | __entry->pid = p->pid; |
| 1220 | ), |
| 1221 | |
| 1222 | TP_printk("cpu=%d curr_runnable_sum=%llu prev_runnable_sum=%llu nt_curr_runnable_sum=%lld nt_prev_runnable_sum=%lld pid=%d", |
| 1223 | __entry->cpu, __entry->cs, __entry->ps, |
| 1224 | __entry->nt_cs, __entry->nt_ps, __entry->pid) |
| 1225 | ); |
| 1226 | #endif /* CONFIG_SCHED_WALT */ |
| 1227 | #endif /* CONFIG_SMP */ |
| 1228 | #endif /* _TRACE_SCHED_H */ |
| 1229 | |
| 1230 | /* This part must be outside protection */ |
| 1231 | #include <trace/define_trace.h> |