1/* SPDX-License-Identifier: GPL-2.0 */ 2#undef TRACE_SYSTEM 3#define TRACE_SYSTEM vmscan 4 5#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ) 6#define _TRACE_VMSCAN_H 7 8#include <linux/types.h> 9#include <linux/tracepoint.h> 10#include <linux/mm.h> 11#include <linux/memcontrol.h> 12#include <trace/events/mmflags.h> 13 14#define RECLAIM_WB_ANON 0x0001u 15#define RECLAIM_WB_FILE 0x0002u 16#define RECLAIM_WB_MIXED 0x0010u 17#define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */ 18#define RECLAIM_WB_ASYNC 0x0008u 19#define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE) 20 21#define show_reclaim_flags(flags) \ 22 (flags) ? __print_flags(flags, "|", \ 23 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \ 24 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \ 25 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \ 26 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \ 27 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \ 28 ) : "RECLAIM_WB_NONE" 29 30#define _VMSCAN_THROTTLE_WRITEBACK (1 << VMSCAN_THROTTLE_WRITEBACK) 31#define _VMSCAN_THROTTLE_ISOLATED (1 << VMSCAN_THROTTLE_ISOLATED) 32#define _VMSCAN_THROTTLE_NOPROGRESS (1 << VMSCAN_THROTTLE_NOPROGRESS) 33#define _VMSCAN_THROTTLE_CONGESTED (1 << VMSCAN_THROTTLE_CONGESTED) 34 35#define show_throttle_flags(flags) \ 36 (flags) ? __print_flags(flags, "|", \ 37 {_VMSCAN_THROTTLE_WRITEBACK, "VMSCAN_THROTTLE_WRITEBACK"}, \ 38 {_VMSCAN_THROTTLE_ISOLATED, "VMSCAN_THROTTLE_ISOLATED"}, \ 39 {_VMSCAN_THROTTLE_NOPROGRESS, "VMSCAN_THROTTLE_NOPROGRESS"}, \ 40 {_VMSCAN_THROTTLE_CONGESTED, "VMSCAN_THROTTLE_CONGESTED"} \ 41 ) : "VMSCAN_THROTTLE_NONE" 42 43 44#define trace_reclaim_flags(file) ( \ 45 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 46 (RECLAIM_WB_ASYNC) \ 47 ) 48 49TRACE_EVENT(mm_vmscan_kswapd_sleep, 50 51 TP_PROTO(int nid), 52 53 TP_ARGS(nid), 54 55 TP_STRUCT__entry( 56 __field( int, nid ) 57 ), 58 59 TP_fast_assign( 60 __entry->nid = nid; 61 ), 62 63 TP_printk("nid=%d", __entry->nid) 64); 65 66TRACE_EVENT(mm_vmscan_kswapd_wake, 67 68 TP_PROTO(int nid, int zid, int order), 69 70 TP_ARGS(nid, zid, order), 71 72 TP_STRUCT__entry( 73 __field( int, nid ) 74 __field( int, zid ) 75 __field( int, order ) 76 ), 77 78 TP_fast_assign( 79 __entry->nid = nid; 80 __entry->zid = zid; 81 __entry->order = order; 82 ), 83 84 TP_printk("nid=%d order=%d", 85 __entry->nid, 86 __entry->order) 87); 88 89TRACE_EVENT(mm_vmscan_wakeup_kswapd, 90 91 TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags), 92 93 TP_ARGS(nid, zid, order, gfp_flags), 94 95 TP_STRUCT__entry( 96 __field( int, nid ) 97 __field( int, zid ) 98 __field( int, order ) 99 __field( unsigned long, gfp_flags ) 100 ), 101 102 TP_fast_assign( 103 __entry->nid = nid; 104 __entry->zid = zid; 105 __entry->order = order; 106 __entry->gfp_flags = (__force unsigned long)gfp_flags; 107 ), 108 109 TP_printk("nid=%d order=%d gfp_flags=%s", 110 __entry->nid, 111 __entry->order, 112 show_gfp_flags(__entry->gfp_flags)) 113); 114 115DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, 116 117 TP_PROTO(int order, gfp_t gfp_flags), 118 119 TP_ARGS(order, gfp_flags), 120 121 TP_STRUCT__entry( 122 __field( int, order ) 123 __field( unsigned long, gfp_flags ) 124 ), 125 126 TP_fast_assign( 127 __entry->order = order; 128 __entry->gfp_flags = (__force unsigned long)gfp_flags; 129 ), 130 131 TP_printk("order=%d gfp_flags=%s", 132 __entry->order, 133 show_gfp_flags(__entry->gfp_flags)) 134); 135 136DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, 137 138 TP_PROTO(int order, gfp_t gfp_flags), 139 140 TP_ARGS(order, gfp_flags) 141); 142 143#ifdef CONFIG_MEMCG 144DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin, 145 146 TP_PROTO(int order, gfp_t gfp_flags), 147 148 TP_ARGS(order, gfp_flags) 149); 150 151DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin, 152 153 TP_PROTO(int order, gfp_t gfp_flags), 154 155 TP_ARGS(order, gfp_flags) 156); 157#endif /* CONFIG_MEMCG */ 158 159DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template, 160 161 TP_PROTO(unsigned long nr_reclaimed), 162 163 TP_ARGS(nr_reclaimed), 164 165 TP_STRUCT__entry( 166 __field( unsigned long, nr_reclaimed ) 167 ), 168 169 TP_fast_assign( 170 __entry->nr_reclaimed = nr_reclaimed; 171 ), 172 173 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed) 174); 175 176DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end, 177 178 TP_PROTO(unsigned long nr_reclaimed), 179 180 TP_ARGS(nr_reclaimed) 181); 182 183#ifdef CONFIG_MEMCG 184DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end, 185 186 TP_PROTO(unsigned long nr_reclaimed), 187 188 TP_ARGS(nr_reclaimed) 189); 190 191DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end, 192 193 TP_PROTO(unsigned long nr_reclaimed), 194 195 TP_ARGS(nr_reclaimed) 196); 197#endif /* CONFIG_MEMCG */ 198 199TRACE_EVENT(mm_shrink_slab_start, 200 TP_PROTO(struct shrinker *shr, struct shrink_control *sc, 201 long nr_objects_to_shrink, unsigned long cache_items, 202 unsigned long long delta, unsigned long total_scan, 203 int priority), 204 205 TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan, 206 priority), 207 208 TP_STRUCT__entry( 209 __field(struct shrinker *, shr) 210 __field(void *, shrink) 211 __field(int, nid) 212 __field(long, nr_objects_to_shrink) 213 __field(unsigned long, gfp_flags) 214 __field(unsigned long, cache_items) 215 __field(unsigned long long, delta) 216 __field(unsigned long, total_scan) 217 __field(int, priority) 218 ), 219 220 TP_fast_assign( 221 __entry->shr = shr; 222 __entry->shrink = shr->scan_objects; 223 __entry->nid = sc->nid; 224 __entry->nr_objects_to_shrink = nr_objects_to_shrink; 225 __entry->gfp_flags = (__force unsigned long)sc->gfp_mask; 226 __entry->cache_items = cache_items; 227 __entry->delta = delta; 228 __entry->total_scan = total_scan; 229 __entry->priority = priority; 230 ), 231 232 TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d", 233 __entry->shrink, 234 __entry->shr, 235 __entry->nid, 236 __entry->nr_objects_to_shrink, 237 show_gfp_flags(__entry->gfp_flags), 238 __entry->cache_items, 239 __entry->delta, 240 __entry->total_scan, 241 __entry->priority) 242); 243 244TRACE_EVENT(mm_shrink_slab_end, 245 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval, 246 long unused_scan_cnt, long new_scan_cnt, long total_scan), 247 248 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt, 249 total_scan), 250 251 TP_STRUCT__entry( 252 __field(struct shrinker *, shr) 253 __field(int, nid) 254 __field(void *, shrink) 255 __field(long, unused_scan) 256 __field(long, new_scan) 257 __field(int, retval) 258 __field(long, total_scan) 259 ), 260 261 TP_fast_assign( 262 __entry->shr = shr; 263 __entry->nid = nid; 264 __entry->shrink = shr->scan_objects; 265 __entry->unused_scan = unused_scan_cnt; 266 __entry->new_scan = new_scan_cnt; 267 __entry->retval = shrinker_retval; 268 __entry->total_scan = total_scan; 269 ), 270 271 TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d", 272 __entry->shrink, 273 __entry->shr, 274 __entry->nid, 275 __entry->unused_scan, 276 __entry->new_scan, 277 __entry->total_scan, 278 __entry->retval) 279); 280 281TRACE_EVENT(mm_vmscan_lru_isolate, 282 TP_PROTO(int highest_zoneidx, 283 int order, 284 unsigned long nr_requested, 285 unsigned long nr_scanned, 286 unsigned long nr_skipped, 287 unsigned long nr_taken, 288 isolate_mode_t isolate_mode, 289 int lru), 290 291 TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru), 292 293 TP_STRUCT__entry( 294 __field(int, highest_zoneidx) 295 __field(int, order) 296 __field(unsigned long, nr_requested) 297 __field(unsigned long, nr_scanned) 298 __field(unsigned long, nr_skipped) 299 __field(unsigned long, nr_taken) 300 __field(unsigned int, isolate_mode) 301 __field(int, lru) 302 ), 303 304 TP_fast_assign( 305 __entry->highest_zoneidx = highest_zoneidx; 306 __entry->order = order; 307 __entry->nr_requested = nr_requested; 308 __entry->nr_scanned = nr_scanned; 309 __entry->nr_skipped = nr_skipped; 310 __entry->nr_taken = nr_taken; 311 __entry->isolate_mode = (__force unsigned int)isolate_mode; 312 __entry->lru = lru; 313 ), 314 315 /* 316 * classzone is previous name of the highest_zoneidx. 317 * Reason not to change it is the ABI requirement of the tracepoint. 318 */ 319 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s", 320 __entry->isolate_mode, 321 __entry->highest_zoneidx, 322 __entry->order, 323 __entry->nr_requested, 324 __entry->nr_scanned, 325 __entry->nr_skipped, 326 __entry->nr_taken, 327 __print_symbolic(__entry->lru, LRU_NAMES)) 328); 329 330TRACE_EVENT(mm_vmscan_write_folio, 331 332 TP_PROTO(struct folio *folio), 333 334 TP_ARGS(folio), 335 336 TP_STRUCT__entry( 337 __field(unsigned long, pfn) 338 __field(int, reclaim_flags) 339 ), 340 341 TP_fast_assign( 342 __entry->pfn = folio_pfn(folio); 343 __entry->reclaim_flags = trace_reclaim_flags( 344 folio_is_file_lru(folio)); 345 ), 346 347 TP_printk("page=%p pfn=0x%lx flags=%s", 348 pfn_to_page(__entry->pfn), 349 __entry->pfn, 350 show_reclaim_flags(__entry->reclaim_flags)) 351); 352 353#ifdef CONFIG_HYPERHOLD_ZSWAPD 354TRACE_EVENT(mm_vmscan_lru_zswapd_shrink_active, 355 356 TP_PROTO(int nid, unsigned long nr_taken, 357 unsigned long nr_deactivated, int priority), 358 359 TP_ARGS(nid, nr_taken, nr_deactivated, priority), 360 361 TP_STRUCT__entry( 362 __field(int, nid) 363 __field(unsigned long, nr_taken) 364 __field(unsigned long, nr_deactivated) 365 __field(int, priority) 366 ), 367 368 TP_fast_assign( 369 __entry->nid = nid; 370 __entry->nr_taken = nr_taken; 371 __entry->nr_deactivated = nr_deactivated; 372 __entry->priority = priority; 373 ), 374 375 TP_printk("nid=%d nr_taken=%ld nr_deactivated=%ld priority=%d", 376 __entry->nid, 377 __entry->nr_taken, 378 __entry->nr_deactivated, 379 __entry->priority) 380); 381#endif 382 383TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 384 385 TP_PROTO(int nid, 386 unsigned long nr_scanned, unsigned long nr_reclaimed, 387 struct reclaim_stat *stat, int priority, int file), 388 389 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file), 390 391 TP_STRUCT__entry( 392 __field(int, nid) 393 __field(unsigned long, nr_scanned) 394 __field(unsigned long, nr_reclaimed) 395 __field(unsigned long, nr_dirty) 396 __field(unsigned long, nr_writeback) 397 __field(unsigned long, nr_congested) 398 __field(unsigned long, nr_immediate) 399 __field(unsigned int, nr_activate0) 400 __field(unsigned int, nr_activate1) 401 __field(unsigned long, nr_ref_keep) 402 __field(unsigned long, nr_unmap_fail) 403 __field(int, priority) 404 __field(int, reclaim_flags) 405 ), 406 407 TP_fast_assign( 408 __entry->nid = nid; 409 __entry->nr_scanned = nr_scanned; 410 __entry->nr_reclaimed = nr_reclaimed; 411 __entry->nr_dirty = stat->nr_dirty; 412 __entry->nr_writeback = stat->nr_writeback; 413 __entry->nr_congested = stat->nr_congested; 414 __entry->nr_immediate = stat->nr_immediate; 415 __entry->nr_activate0 = stat->nr_activate[0]; 416 __entry->nr_activate1 = stat->nr_activate[1]; 417 __entry->nr_ref_keep = stat->nr_ref_keep; 418 __entry->nr_unmap_fail = stat->nr_unmap_fail; 419 __entry->priority = priority; 420 __entry->reclaim_flags = trace_reclaim_flags(file); 421 ), 422 423 TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s", 424 __entry->nid, 425 __entry->nr_scanned, __entry->nr_reclaimed, 426 __entry->nr_dirty, __entry->nr_writeback, 427 __entry->nr_congested, __entry->nr_immediate, 428 __entry->nr_activate0, __entry->nr_activate1, 429 __entry->nr_ref_keep, __entry->nr_unmap_fail, 430 __entry->priority, 431 show_reclaim_flags(__entry->reclaim_flags)) 432); 433 434TRACE_EVENT(mm_vmscan_lru_shrink_active, 435 436 TP_PROTO(int nid, unsigned long nr_taken, 437 unsigned long nr_active, unsigned long nr_deactivated, 438 unsigned long nr_referenced, int priority, int file), 439 440 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file), 441 442 TP_STRUCT__entry( 443 __field(int, nid) 444 __field(unsigned long, nr_taken) 445 __field(unsigned long, nr_active) 446 __field(unsigned long, nr_deactivated) 447 __field(unsigned long, nr_referenced) 448 __field(int, priority) 449 __field(int, reclaim_flags) 450 ), 451 452 TP_fast_assign( 453 __entry->nid = nid; 454 __entry->nr_taken = nr_taken; 455 __entry->nr_active = nr_active; 456 __entry->nr_deactivated = nr_deactivated; 457 __entry->nr_referenced = nr_referenced; 458 __entry->priority = priority; 459 __entry->reclaim_flags = trace_reclaim_flags(file); 460 ), 461 462 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", 463 __entry->nid, 464 __entry->nr_taken, 465 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced, 466 __entry->priority, 467 show_reclaim_flags(__entry->reclaim_flags)) 468); 469 470TRACE_EVENT(mm_vmscan_node_reclaim_begin, 471 472 TP_PROTO(int nid, int order, gfp_t gfp_flags), 473 474 TP_ARGS(nid, order, gfp_flags), 475 476 TP_STRUCT__entry( 477 __field(int, nid) 478 __field(int, order) 479 __field(unsigned long, gfp_flags) 480 ), 481 482 TP_fast_assign( 483 __entry->nid = nid; 484 __entry->order = order; 485 __entry->gfp_flags = (__force unsigned long)gfp_flags; 486 ), 487 488 TP_printk("nid=%d order=%d gfp_flags=%s", 489 __entry->nid, 490 __entry->order, 491 show_gfp_flags(__entry->gfp_flags)) 492); 493 494DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end, 495 496 TP_PROTO(unsigned long nr_reclaimed), 497 498 TP_ARGS(nr_reclaimed) 499); 500 501TRACE_EVENT(mm_vmscan_throttled, 502 503 TP_PROTO(int nid, int usec_timeout, int usec_delayed, int reason), 504 505 TP_ARGS(nid, usec_timeout, usec_delayed, reason), 506 507 TP_STRUCT__entry( 508 __field(int, nid) 509 __field(int, usec_timeout) 510 __field(int, usec_delayed) 511 __field(int, reason) 512 ), 513 514 TP_fast_assign( 515 __entry->nid = nid; 516 __entry->usec_timeout = usec_timeout; 517 __entry->usec_delayed = usec_delayed; 518 __entry->reason = 1U << reason; 519 ), 520 521 TP_printk("nid=%d usec_timeout=%d usect_delayed=%d reason=%s", 522 __entry->nid, 523 __entry->usec_timeout, 524 __entry->usec_delayed, 525 show_throttle_flags(__entry->reason)) 526); 527#endif /* _TRACE_VMSCAN_H */ 528 529/* This part must be outside protection */ 530#include <trace/define_trace.h> 531