1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM rcu 3 4 #if !defined(_TRACE_RCU_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_RCU_H 6 7 #include <linux/tracepoint.h> 8 9 /* 10 * Tracepoint for start/end markers used for utilization calculations. 11 * By convention, the string is of the following forms: 12 * 13 * "Start <activity>" -- Mark the start of the specified activity, 14 * such as "context switch". Nesting is permitted. 15 * "End <activity>" -- Mark the end of the specified activity. 16 * 17 * An "@" character within "<activity>" is a comment character: Data 18 * reduction scripts will ignore the "@" and the remainder of the line. 19 */ 20 TRACE_EVENT(rcu_utilization, 21 22 TP_PROTO(char *s), 23 24 TP_ARGS(s), 25 26 TP_STRUCT__entry( 27 __field(char *, s) 28 ), 29 30 TP_fast_assign( 31 __entry->s = s; 32 ), 33 34 TP_printk("%s", __entry->s) 35 ); 36 37 #ifdef CONFIG_RCU_TRACE 38 39 #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) 40 41 /* 42 * Tracepoint for grace-period events: starting and ending a grace 43 * period ("start" and "end", respectively), a CPU noting the start 44 * of a new grace period or the end of an old grace period ("cpustart" 45 * and "cpuend", respectively), a CPU passing through a quiescent 46 * state ("cpuqs"), a CPU coming online or going offline ("cpuonl" 47 * and "cpuofl", respectively), a CPU being kicked for being too 48 * long in dyntick-idle mode ("kick"), a CPU accelerating its new 49 * callbacks to RCU_NEXT_READY_TAIL ("AccReadyCB"), and a CPU 50 * accelerating its new callbacks to RCU_WAIT_TAIL ("AccWaitCB"). 51 */ 52 TRACE_EVENT(rcu_grace_period, 53 54 TP_PROTO(char *rcuname, unsigned long gpnum, char *gpevent), 55 56 TP_ARGS(rcuname, gpnum, gpevent), 57 58 TP_STRUCT__entry( 59 __field(char *, rcuname) 60 __field(unsigned long, gpnum) 61 __field(char *, gpevent) 62 ), 63 64 TP_fast_assign( 65 __entry->rcuname = rcuname; 66 __entry->gpnum = gpnum; 67 __entry->gpevent = gpevent; 68 ), 69 70 TP_printk("%s %lu %s", 71 __entry->rcuname, __entry->gpnum, __entry->gpevent) 72 ); 73 74 /* 75 * Tracepoint for future grace-period events, including those for no-callbacks 76 * CPUs. The caller should pull the data from the rcu_node structure, 77 * other than rcuname, which comes from the rcu_state structure, and event, 78 * which is one of the following: 79 * 80 * "Startleaf": Request a nocb grace period based on leaf-node data. 81 * "Startedleaf": Leaf-node start proved sufficient. 82 * "Startedleafroot": Leaf-node start proved sufficient after checking root. 83 * "Startedroot": Requested a nocb grace period based on root-node data. 84 * "StartWait": Start waiting for the requested grace period. 85 * "ResumeWait": Resume waiting after signal. 86 * "EndWait": Complete wait. 87 * "Cleanup": Clean up rcu_node structure after previous GP. 88 * "CleanupMore": Clean up, and another no-CB GP is needed. 89 */ 90 TRACE_EVENT(rcu_future_grace_period, 91 92 TP_PROTO(char *rcuname, unsigned long gpnum, unsigned long completed, 93 unsigned long c, u8 level, int grplo, int grphi, 94 char *gpevent), 95 96 TP_ARGS(rcuname, gpnum, completed, c, level, grplo, grphi, gpevent), 97 98 TP_STRUCT__entry( 99 __field(char *, rcuname) 100 __field(unsigned long, gpnum) 101 __field(unsigned long, completed) 102 __field(unsigned long, c) 103 __field(u8, level) 104 __field(int, grplo) 105 __field(int, grphi) 106 __field(char *, gpevent) 107 ), 108 109 TP_fast_assign( 110 __entry->rcuname = rcuname; 111 __entry->gpnum = gpnum; 112 __entry->completed = completed; 113 __entry->c = c; 114 __entry->level = level; 115 __entry->grplo = grplo; 116 __entry->grphi = grphi; 117 __entry->gpevent = gpevent; 118 ), 119 120 TP_printk("%s %lu %lu %lu %u %d %d %s", 121 __entry->rcuname, __entry->gpnum, __entry->completed, 122 __entry->c, __entry->level, __entry->grplo, __entry->grphi, 123 __entry->gpevent) 124 ); 125 126 /* 127 * Tracepoint for grace-period-initialization events. These are 128 * distinguished by the type of RCU, the new grace-period number, the 129 * rcu_node structure level, the starting and ending CPU covered by the 130 * rcu_node structure, and the mask of CPUs that will be waited for. 131 * All but the type of RCU are extracted from the rcu_node structure. 132 */ 133 TRACE_EVENT(rcu_grace_period_init, 134 135 TP_PROTO(char *rcuname, unsigned long gpnum, u8 level, 136 int grplo, int grphi, unsigned long qsmask), 137 138 TP_ARGS(rcuname, gpnum, level, grplo, grphi, qsmask), 139 140 TP_STRUCT__entry( 141 __field(char *, rcuname) 142 __field(unsigned long, gpnum) 143 __field(u8, level) 144 __field(int, grplo) 145 __field(int, grphi) 146 __field(unsigned long, qsmask) 147 ), 148 149 TP_fast_assign( 150 __entry->rcuname = rcuname; 151 __entry->gpnum = gpnum; 152 __entry->level = level; 153 __entry->grplo = grplo; 154 __entry->grphi = grphi; 155 __entry->qsmask = qsmask; 156 ), 157 158 TP_printk("%s %lu %u %d %d %lx", 159 __entry->rcuname, __entry->gpnum, __entry->level, 160 __entry->grplo, __entry->grphi, __entry->qsmask) 161 ); 162 163 /* 164 * Tracepoint for tasks blocking within preemptible-RCU read-side 165 * critical sections. Track the type of RCU (which one day might 166 * include SRCU), the grace-period number that the task is blocking 167 * (the current or the next), and the task's PID. 168 */ 169 TRACE_EVENT(rcu_preempt_task, 170 171 TP_PROTO(char *rcuname, int pid, unsigned long gpnum), 172 173 TP_ARGS(rcuname, pid, gpnum), 174 175 TP_STRUCT__entry( 176 __field(char *, rcuname) 177 __field(unsigned long, gpnum) 178 __field(int, pid) 179 ), 180 181 TP_fast_assign( 182 __entry->rcuname = rcuname; 183 __entry->gpnum = gpnum; 184 __entry->pid = pid; 185 ), 186 187 TP_printk("%s %lu %d", 188 __entry->rcuname, __entry->gpnum, __entry->pid) 189 ); 190 191 /* 192 * Tracepoint for tasks that blocked within a given preemptible-RCU 193 * read-side critical section exiting that critical section. Track the 194 * type of RCU (which one day might include SRCU) and the task's PID. 195 */ 196 TRACE_EVENT(rcu_unlock_preempted_task, 197 198 TP_PROTO(char *rcuname, unsigned long gpnum, int pid), 199 200 TP_ARGS(rcuname, gpnum, pid), 201 202 TP_STRUCT__entry( 203 __field(char *, rcuname) 204 __field(unsigned long, gpnum) 205 __field(int, pid) 206 ), 207 208 TP_fast_assign( 209 __entry->rcuname = rcuname; 210 __entry->gpnum = gpnum; 211 __entry->pid = pid; 212 ), 213 214 TP_printk("%s %lu %d", __entry->rcuname, __entry->gpnum, __entry->pid) 215 ); 216 217 /* 218 * Tracepoint for quiescent-state-reporting events. These are 219 * distinguished by the type of RCU, the grace-period number, the 220 * mask of quiescent lower-level entities, the rcu_node structure level, 221 * the starting and ending CPU covered by the rcu_node structure, and 222 * whether there are any blocked tasks blocking the current grace period. 223 * All but the type of RCU are extracted from the rcu_node structure. 224 */ 225 TRACE_EVENT(rcu_quiescent_state_report, 226 227 TP_PROTO(char *rcuname, unsigned long gpnum, 228 unsigned long mask, unsigned long qsmask, 229 u8 level, int grplo, int grphi, int gp_tasks), 230 231 TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), 232 233 TP_STRUCT__entry( 234 __field(char *, rcuname) 235 __field(unsigned long, gpnum) 236 __field(unsigned long, mask) 237 __field(unsigned long, qsmask) 238 __field(u8, level) 239 __field(int, grplo) 240 __field(int, grphi) 241 __field(u8, gp_tasks) 242 ), 243 244 TP_fast_assign( 245 __entry->rcuname = rcuname; 246 __entry->gpnum = gpnum; 247 __entry->mask = mask; 248 __entry->qsmask = qsmask; 249 __entry->level = level; 250 __entry->grplo = grplo; 251 __entry->grphi = grphi; 252 __entry->gp_tasks = gp_tasks; 253 ), 254 255 TP_printk("%s %lu %lx>%lx %u %d %d %u", 256 __entry->rcuname, __entry->gpnum, 257 __entry->mask, __entry->qsmask, __entry->level, 258 __entry->grplo, __entry->grphi, __entry->gp_tasks) 259 ); 260 261 /* 262 * Tracepoint for quiescent states detected by force_quiescent_state(). 263 * These trace events include the type of RCU, the grace-period number 264 * that was blocked by the CPU, the CPU itself, and the type of quiescent 265 * state, which can be "dti" for dyntick-idle mode, "ofl" for CPU offline, 266 * or "kick" when kicking a CPU that has been in dyntick-idle mode for 267 * too long. 268 */ 269 TRACE_EVENT(rcu_fqs, 270 271 TP_PROTO(char *rcuname, unsigned long gpnum, int cpu, char *qsevent), 272 273 TP_ARGS(rcuname, gpnum, cpu, qsevent), 274 275 TP_STRUCT__entry( 276 __field(char *, rcuname) 277 __field(unsigned long, gpnum) 278 __field(int, cpu) 279 __field(char *, qsevent) 280 ), 281 282 TP_fast_assign( 283 __entry->rcuname = rcuname; 284 __entry->gpnum = gpnum; 285 __entry->cpu = cpu; 286 __entry->qsevent = qsevent; 287 ), 288 289 TP_printk("%s %lu %d %s", 290 __entry->rcuname, __entry->gpnum, 291 __entry->cpu, __entry->qsevent) 292 ); 293 294 #endif /* #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) */ 295 296 /* 297 * Tracepoint for dyntick-idle entry/exit events. These take a string 298 * as argument: "Start" for entering dyntick-idle mode, "End" for 299 * leaving it, "--=" for events moving towards idle, and "++=" for events 300 * moving away from idle. "Error on entry: not idle task" and "Error on 301 * exit: not idle task" indicate that a non-idle task is erroneously 302 * toying with the idle loop. 303 * 304 * These events also take a pair of numbers, which indicate the nesting 305 * depth before and after the event of interest. Note that task-related 306 * events use the upper bits of each number, while interrupt-related 307 * events use the lower bits. 308 */ 309 TRACE_EVENT(rcu_dyntick, 310 311 TP_PROTO(char *polarity, long long oldnesting, long long newnesting), 312 313 TP_ARGS(polarity, oldnesting, newnesting), 314 315 TP_STRUCT__entry( 316 __field(char *, polarity) 317 __field(long long, oldnesting) 318 __field(long long, newnesting) 319 ), 320 321 TP_fast_assign( 322 __entry->polarity = polarity; 323 __entry->oldnesting = oldnesting; 324 __entry->newnesting = newnesting; 325 ), 326 327 TP_printk("%s %llx %llx", __entry->polarity, 328 __entry->oldnesting, __entry->newnesting) 329 ); 330 331 /* 332 * Tracepoint for RCU preparation for idle, the goal being to get RCU 333 * processing done so that the current CPU can shut off its scheduling 334 * clock and enter dyntick-idle mode. One way to accomplish this is 335 * to drain all RCU callbacks from this CPU, and the other is to have 336 * done everything RCU requires for the current grace period. In this 337 * latter case, the CPU will be awakened at the end of the current grace 338 * period in order to process the remainder of its callbacks. 339 * 340 * These tracepoints take a string as argument: 341 * 342 * "No callbacks": Nothing to do, no callbacks on this CPU. 343 * "In holdoff": Nothing to do, holding off after unsuccessful attempt. 344 * "Begin holdoff": Attempt failed, don't retry until next jiffy. 345 * "Dyntick with callbacks": Entering dyntick-idle despite callbacks. 346 * "Dyntick with lazy callbacks": Entering dyntick-idle w/lazy callbacks. 347 * "More callbacks": Still more callbacks, try again to clear them out. 348 * "Callbacks drained": All callbacks processed, off to dyntick idle! 349 * "Timer": Timer fired to cause CPU to continue processing callbacks. 350 * "Demigrate": Timer fired on wrong CPU, woke up correct CPU. 351 * "Cleanup after idle": Idle exited, timer canceled. 352 */ 353 TRACE_EVENT(rcu_prep_idle, 354 355 TP_PROTO(char *reason), 356 357 TP_ARGS(reason), 358 359 TP_STRUCT__entry( 360 __field(char *, reason) 361 ), 362 363 TP_fast_assign( 364 __entry->reason = reason; 365 ), 366 367 TP_printk("%s", __entry->reason) 368 ); 369 370 /* 371 * Tracepoint for the registration of a single RCU callback function. 372 * The first argument is the type of RCU, the second argument is 373 * a pointer to the RCU callback itself, the third element is the 374 * number of lazy callbacks queued, and the fourth element is the 375 * total number of callbacks queued. 376 */ 377 TRACE_EVENT(rcu_callback, 378 379 TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen_lazy, 380 long qlen), 381 382 TP_ARGS(rcuname, rhp, qlen_lazy, qlen), 383 384 TP_STRUCT__entry( 385 __field(char *, rcuname) 386 __field(void *, rhp) 387 __field(void *, func) 388 __field(long, qlen_lazy) 389 __field(long, qlen) 390 ), 391 392 TP_fast_assign( 393 __entry->rcuname = rcuname; 394 __entry->rhp = rhp; 395 __entry->func = rhp->func; 396 __entry->qlen_lazy = qlen_lazy; 397 __entry->qlen = qlen; 398 ), 399 400 TP_printk("%s rhp=%p func=%pf %ld/%ld", 401 __entry->rcuname, __entry->rhp, __entry->func, 402 __entry->qlen_lazy, __entry->qlen) 403 ); 404 405 /* 406 * Tracepoint for the registration of a single RCU callback of the special 407 * kfree() form. The first argument is the RCU type, the second argument 408 * is a pointer to the RCU callback, the third argument is the offset 409 * of the callback within the enclosing RCU-protected data structure, 410 * the fourth argument is the number of lazy callbacks queued, and the 411 * fifth argument is the total number of callbacks queued. 412 */ 413 TRACE_EVENT(rcu_kfree_callback, 414 415 TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, 416 long qlen_lazy, long qlen), 417 418 TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), 419 420 TP_STRUCT__entry( 421 __field(char *, rcuname) 422 __field(void *, rhp) 423 __field(unsigned long, offset) 424 __field(long, qlen_lazy) 425 __field(long, qlen) 426 ), 427 428 TP_fast_assign( 429 __entry->rcuname = rcuname; 430 __entry->rhp = rhp; 431 __entry->offset = offset; 432 __entry->qlen_lazy = qlen_lazy; 433 __entry->qlen = qlen; 434 ), 435 436 TP_printk("%s rhp=%p func=%ld %ld/%ld", 437 __entry->rcuname, __entry->rhp, __entry->offset, 438 __entry->qlen_lazy, __entry->qlen) 439 ); 440 441 /* 442 * Tracepoint for marking the beginning rcu_do_batch, performed to start 443 * RCU callback invocation. The first argument is the RCU flavor, 444 * the second is the number of lazy callbacks queued, the third is 445 * the total number of callbacks queued, and the fourth argument is 446 * the current RCU-callback batch limit. 447 */ 448 TRACE_EVENT(rcu_batch_start, 449 450 TP_PROTO(char *rcuname, long qlen_lazy, long qlen, long blimit), 451 452 TP_ARGS(rcuname, qlen_lazy, qlen, blimit), 453 454 TP_STRUCT__entry( 455 __field(char *, rcuname) 456 __field(long, qlen_lazy) 457 __field(long, qlen) 458 __field(long, blimit) 459 ), 460 461 TP_fast_assign( 462 __entry->rcuname = rcuname; 463 __entry->qlen_lazy = qlen_lazy; 464 __entry->qlen = qlen; 465 __entry->blimit = blimit; 466 ), 467 468 TP_printk("%s CBs=%ld/%ld bl=%ld", 469 __entry->rcuname, __entry->qlen_lazy, __entry->qlen, 470 __entry->blimit) 471 ); 472 473 /* 474 * Tracepoint for the invocation of a single RCU callback function. 475 * The first argument is the type of RCU, and the second argument is 476 * a pointer to the RCU callback itself. 477 */ 478 TRACE_EVENT(rcu_invoke_callback, 479 480 TP_PROTO(char *rcuname, struct rcu_head *rhp), 481 482 TP_ARGS(rcuname, rhp), 483 484 TP_STRUCT__entry( 485 __field(char *, rcuname) 486 __field(void *, rhp) 487 __field(void *, func) 488 ), 489 490 TP_fast_assign( 491 __entry->rcuname = rcuname; 492 __entry->rhp = rhp; 493 __entry->func = rhp->func; 494 ), 495 496 TP_printk("%s rhp=%p func=%pf", 497 __entry->rcuname, __entry->rhp, __entry->func) 498 ); 499 500 /* 501 * Tracepoint for the invocation of a single RCU callback of the special 502 * kfree() form. The first argument is the RCU flavor, the second 503 * argument is a pointer to the RCU callback, and the third argument 504 * is the offset of the callback within the enclosing RCU-protected 505 * data structure. 506 */ 507 TRACE_EVENT(rcu_invoke_kfree_callback, 508 509 TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset), 510 511 TP_ARGS(rcuname, rhp, offset), 512 513 TP_STRUCT__entry( 514 __field(char *, rcuname) 515 __field(void *, rhp) 516 __field(unsigned long, offset) 517 ), 518 519 TP_fast_assign( 520 __entry->rcuname = rcuname; 521 __entry->rhp = rhp; 522 __entry->offset = offset; 523 ), 524 525 TP_printk("%s rhp=%p func=%ld", 526 __entry->rcuname, __entry->rhp, __entry->offset) 527 ); 528 529 /* 530 * Tracepoint for exiting rcu_do_batch after RCU callbacks have been 531 * invoked. The first argument is the name of the RCU flavor, 532 * the second argument is number of callbacks actually invoked, 533 * the third argument (cb) is whether or not any of the callbacks that 534 * were ready to invoke at the beginning of this batch are still 535 * queued, the fourth argument (nr) is the return value of need_resched(), 536 * the fifth argument (iit) is 1 if the current task is the idle task, 537 * and the sixth argument (risk) is the return value from 538 * rcu_is_callbacks_kthread(). 539 */ 540 TRACE_EVENT(rcu_batch_end, 541 542 TP_PROTO(char *rcuname, int callbacks_invoked, 543 bool cb, bool nr, bool iit, bool risk), 544 545 TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), 546 547 TP_STRUCT__entry( 548 __field(char *, rcuname) 549 __field(int, callbacks_invoked) 550 __field(bool, cb) 551 __field(bool, nr) 552 __field(bool, iit) 553 __field(bool, risk) 554 ), 555 556 TP_fast_assign( 557 __entry->rcuname = rcuname; 558 __entry->callbacks_invoked = callbacks_invoked; 559 __entry->cb = cb; 560 __entry->nr = nr; 561 __entry->iit = iit; 562 __entry->risk = risk; 563 ), 564 565 TP_printk("%s CBs-invoked=%d idle=%c%c%c%c", 566 __entry->rcuname, __entry->callbacks_invoked, 567 __entry->cb ? 'C' : '.', 568 __entry->nr ? 'S' : '.', 569 __entry->iit ? 'I' : '.', 570 __entry->risk ? 'R' : '.') 571 ); 572 573 /* 574 * Tracepoint for rcutorture readers. The first argument is the name 575 * of the RCU flavor from rcutorture's viewpoint and the second argument 576 * is the callback address. 577 */ 578 TRACE_EVENT(rcu_torture_read, 579 580 TP_PROTO(char *rcutorturename, struct rcu_head *rhp, 581 unsigned long secs, unsigned long c_old, unsigned long c), 582 583 TP_ARGS(rcutorturename, rhp, secs, c_old, c), 584 585 TP_STRUCT__entry( 586 __field(char *, rcutorturename) 587 __field(struct rcu_head *, rhp) 588 __field(unsigned long, secs) 589 __field(unsigned long, c_old) 590 __field(unsigned long, c) 591 ), 592 593 TP_fast_assign( 594 __entry->rcutorturename = rcutorturename; 595 __entry->rhp = rhp; 596 __entry->secs = secs; 597 __entry->c_old = c_old; 598 __entry->c = c; 599 ), 600 601 TP_printk("%s torture read %p %luus c: %lu %lu", 602 __entry->rcutorturename, __entry->rhp, 603 __entry->secs, __entry->c_old, __entry->c) 604 ); 605 606 /* 607 * Tracepoint for _rcu_barrier() execution. The string "s" describes 608 * the _rcu_barrier phase: 609 * "Begin": rcu_barrier_callback() started. 610 * "Check": rcu_barrier_callback() checking for piggybacking. 611 * "EarlyExit": rcu_barrier_callback() piggybacked, thus early exit. 612 * "Inc1": rcu_barrier_callback() piggyback check counter incremented. 613 * "Offline": rcu_barrier_callback() found offline CPU 614 * "OnlineNoCB": rcu_barrier_callback() found online no-CBs CPU. 615 * "OnlineQ": rcu_barrier_callback() found online CPU with callbacks. 616 * "OnlineNQ": rcu_barrier_callback() found online CPU, no callbacks. 617 * "IRQ": An rcu_barrier_callback() callback posted on remote CPU. 618 * "CB": An rcu_barrier_callback() invoked a callback, not the last. 619 * "LastCB": An rcu_barrier_callback() invoked the last callback. 620 * "Inc2": rcu_barrier_callback() piggyback check counter incremented. 621 * The "cpu" argument is the CPU or -1 if meaningless, the "cnt" argument 622 * is the count of remaining callbacks, and "done" is the piggybacking count. 623 */ 624 TRACE_EVENT(rcu_barrier, 625 626 TP_PROTO(char *rcuname, char *s, int cpu, int cnt, unsigned long done), 627 628 TP_ARGS(rcuname, s, cpu, cnt, done), 629 630 TP_STRUCT__entry( 631 __field(char *, rcuname) 632 __field(char *, s) 633 __field(int, cpu) 634 __field(int, cnt) 635 __field(unsigned long, done) 636 ), 637 638 TP_fast_assign( 639 __entry->rcuname = rcuname; 640 __entry->s = s; 641 __entry->cpu = cpu; 642 __entry->cnt = cnt; 643 __entry->done = done; 644 ), 645 646 TP_printk("%s %s cpu %d remaining %d # %lu", 647 __entry->rcuname, __entry->s, __entry->cpu, __entry->cnt, 648 __entry->done) 649 ); 650 651 #else /* #ifdef CONFIG_RCU_TRACE */ 652 653 #define trace_rcu_grace_period(rcuname, gpnum, gpevent) do { } while (0) 654 #define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, \ 655 qsmask) do { } while (0) 656 #define trace_rcu_future_grace_period(rcuname, gpnum, completed, c, \ 657 level, grplo, grphi, event) \ 658 do { } while (0) 659 #define trace_rcu_preempt_task(rcuname, pid, gpnum) do { } while (0) 660 #define trace_rcu_unlock_preempted_task(rcuname, gpnum, pid) do { } while (0) 661 #define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \ 662 grplo, grphi, gp_tasks) do { } \ 663 while (0) 664 #define trace_rcu_fqs(rcuname, gpnum, cpu, qsevent) do { } while (0) 665 #define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0) 666 #define trace_rcu_prep_idle(reason) do { } while (0) 667 #define trace_rcu_callback(rcuname, rhp, qlen_lazy, qlen) do { } while (0) 668 #define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen_lazy, qlen) \ 669 do { } while (0) 670 #define trace_rcu_batch_start(rcuname, qlen_lazy, qlen, blimit) \ 671 do { } while (0) 672 #define trace_rcu_invoke_callback(rcuname, rhp) do { } while (0) 673 #define trace_rcu_invoke_kfree_callback(rcuname, rhp, offset) do { } while (0) 674 #define trace_rcu_batch_end(rcuname, callbacks_invoked, cb, nr, iit, risk) \ 675 do { } while (0) 676 #define trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \ 677 do { } while (0) 678 #define trace_rcu_barrier(name, s, cpu, cnt, done) do { } while (0) 679 680 #endif /* #else #ifdef CONFIG_RCU_TRACE */ 681 682 #endif /* _TRACE_RCU_H */ 683 684 /* This part must be outside protection */ 685 #include <trace/define_trace.h> 686