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