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 trace_reclaim_flags(page) ( \ 31 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 32 (RECLAIM_WB_ASYNC) \ 33 ) 34 35 #define trace_shrink_flags(file) \ 36 ( \ 37 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 38 (RECLAIM_WB_ASYNC) \ 39 ) 40 41 TRACE_EVENT(mm_vmscan_kswapd_sleep, 42 43 TP_PROTO(int nid), 44 45 TP_ARGS(nid), 46 47 TP_STRUCT__entry( 48 __field( int, nid ) 49 ), 50 51 TP_fast_assign( 52 __entry->nid = nid; 53 ), 54 55 TP_printk("nid=%d", __entry->nid) 56 ); 57 58 TRACE_EVENT(mm_vmscan_kswapd_wake, 59 60 TP_PROTO(int nid, int zid, int order), 61 62 TP_ARGS(nid, zid, order), 63 64 TP_STRUCT__entry( 65 __field( int, nid ) 66 __field( int, zid ) 67 __field( int, order ) 68 ), 69 70 TP_fast_assign( 71 __entry->nid = nid; 72 __entry->zid = zid; 73 __entry->order = order; 74 ), 75 76 TP_printk("nid=%d zid=%d order=%d", __entry->nid, __entry->zid, __entry->order) 77 ); 78 79 TRACE_EVENT(mm_vmscan_wakeup_kswapd, 80 81 TP_PROTO(int nid, int zid, int order), 82 83 TP_ARGS(nid, zid, order), 84 85 TP_STRUCT__entry( 86 __field( int, nid ) 87 __field( int, zid ) 88 __field( int, order ) 89 ), 90 91 TP_fast_assign( 92 __entry->nid = nid; 93 __entry->zid = zid; 94 __entry->order = order; 95 ), 96 97 TP_printk("nid=%d zid=%d order=%d", 98 __entry->nid, 99 __entry->zid, 100 __entry->order) 101 ); 102 103 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, 104 105 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 106 107 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx), 108 109 TP_STRUCT__entry( 110 __field( int, order ) 111 __field( int, may_writepage ) 112 __field( gfp_t, gfp_flags ) 113 __field( int, classzone_idx ) 114 ), 115 116 TP_fast_assign( 117 __entry->order = order; 118 __entry->may_writepage = may_writepage; 119 __entry->gfp_flags = gfp_flags; 120 __entry->classzone_idx = classzone_idx; 121 ), 122 123 TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d", 124 __entry->order, 125 __entry->may_writepage, 126 show_gfp_flags(__entry->gfp_flags), 127 __entry->classzone_idx) 128 ); 129 130 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, 131 132 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 133 134 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 135 ); 136 137 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin, 138 139 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 140 141 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 142 ); 143 144 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin, 145 146 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 147 148 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 149 ); 150 151 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template, 152 153 TP_PROTO(unsigned long nr_reclaimed), 154 155 TP_ARGS(nr_reclaimed), 156 157 TP_STRUCT__entry( 158 __field( unsigned long, nr_reclaimed ) 159 ), 160 161 TP_fast_assign( 162 __entry->nr_reclaimed = nr_reclaimed; 163 ), 164 165 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed) 166 ); 167 168 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end, 169 170 TP_PROTO(unsigned long nr_reclaimed), 171 172 TP_ARGS(nr_reclaimed) 173 ); 174 175 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end, 176 177 TP_PROTO(unsigned long nr_reclaimed), 178 179 TP_ARGS(nr_reclaimed) 180 ); 181 182 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end, 183 184 TP_PROTO(unsigned long nr_reclaimed), 185 186 TP_ARGS(nr_reclaimed) 187 ); 188 189 TRACE_EVENT(mm_shrink_slab_start, 190 TP_PROTO(struct shrinker *shr, struct shrink_control *sc, 191 long nr_objects_to_shrink, unsigned long pgs_scanned, 192 unsigned long lru_pgs, unsigned long cache_items, 193 unsigned long long delta, unsigned long total_scan), 194 195 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs, 196 cache_items, delta, total_scan), 197 198 TP_STRUCT__entry( 199 __field(struct shrinker *, shr) 200 __field(void *, shrink) 201 __field(int, nid) 202 __field(long, nr_objects_to_shrink) 203 __field(gfp_t, gfp_flags) 204 __field(unsigned long, pgs_scanned) 205 __field(unsigned long, lru_pgs) 206 __field(unsigned long, cache_items) 207 __field(unsigned long long, delta) 208 __field(unsigned long, total_scan) 209 ), 210 211 TP_fast_assign( 212 __entry->shr = shr; 213 __entry->shrink = shr->scan_objects; 214 __entry->nid = sc->nid; 215 __entry->nr_objects_to_shrink = nr_objects_to_shrink; 216 __entry->gfp_flags = sc->gfp_mask; 217 __entry->pgs_scanned = pgs_scanned; 218 __entry->lru_pgs = lru_pgs; 219 __entry->cache_items = cache_items; 220 __entry->delta = delta; 221 __entry->total_scan = total_scan; 222 ), 223 224 TP_printk("%pF %p: nid: %d objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld", 225 __entry->shrink, 226 __entry->shr, 227 __entry->nid, 228 __entry->nr_objects_to_shrink, 229 show_gfp_flags(__entry->gfp_flags), 230 __entry->pgs_scanned, 231 __entry->lru_pgs, 232 __entry->cache_items, 233 __entry->delta, 234 __entry->total_scan) 235 ); 236 237 TRACE_EVENT(mm_shrink_slab_end, 238 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval, 239 long unused_scan_cnt, long new_scan_cnt, long total_scan), 240 241 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt, 242 total_scan), 243 244 TP_STRUCT__entry( 245 __field(struct shrinker *, shr) 246 __field(int, nid) 247 __field(void *, shrink) 248 __field(long, unused_scan) 249 __field(long, new_scan) 250 __field(int, retval) 251 __field(long, total_scan) 252 ), 253 254 TP_fast_assign( 255 __entry->shr = shr; 256 __entry->nid = nid; 257 __entry->shrink = shr->scan_objects; 258 __entry->unused_scan = unused_scan_cnt; 259 __entry->new_scan = new_scan_cnt; 260 __entry->retval = shrinker_retval; 261 __entry->total_scan = total_scan; 262 ), 263 264 TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d", 265 __entry->shrink, 266 __entry->shr, 267 __entry->nid, 268 __entry->unused_scan, 269 __entry->new_scan, 270 __entry->total_scan, 271 __entry->retval) 272 ); 273 274 TRACE_EVENT(mm_vmscan_lru_isolate, 275 TP_PROTO(int classzone_idx, 276 int order, 277 unsigned long nr_requested, 278 unsigned long nr_scanned, 279 unsigned long nr_skipped, 280 unsigned long nr_taken, 281 isolate_mode_t isolate_mode, 282 int lru), 283 284 TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru), 285 286 TP_STRUCT__entry( 287 __field(int, classzone_idx) 288 __field(int, order) 289 __field(unsigned long, nr_requested) 290 __field(unsigned long, nr_scanned) 291 __field(unsigned long, nr_skipped) 292 __field(unsigned long, nr_taken) 293 __field(isolate_mode_t, isolate_mode) 294 __field(int, lru) 295 ), 296 297 TP_fast_assign( 298 __entry->classzone_idx = classzone_idx; 299 __entry->order = order; 300 __entry->nr_requested = nr_requested; 301 __entry->nr_scanned = nr_scanned; 302 __entry->nr_skipped = nr_skipped; 303 __entry->nr_taken = nr_taken; 304 __entry->isolate_mode = isolate_mode; 305 __entry->lru = lru; 306 ), 307 308 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s", 309 __entry->isolate_mode, 310 __entry->classzone_idx, 311 __entry->order, 312 __entry->nr_requested, 313 __entry->nr_scanned, 314 __entry->nr_skipped, 315 __entry->nr_taken, 316 __print_symbolic(__entry->lru, LRU_NAMES)) 317 ); 318 319 TRACE_EVENT(mm_vmscan_writepage, 320 321 TP_PROTO(struct page *page), 322 323 TP_ARGS(page), 324 325 TP_STRUCT__entry( 326 __field(unsigned long, pfn) 327 __field(int, reclaim_flags) 328 ), 329 330 TP_fast_assign( 331 __entry->pfn = page_to_pfn(page); 332 __entry->reclaim_flags = trace_reclaim_flags(page); 333 ), 334 335 TP_printk("page=%p pfn=%lu flags=%s", 336 pfn_to_page(__entry->pfn), 337 __entry->pfn, 338 show_reclaim_flags(__entry->reclaim_flags)) 339 ); 340 341 TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 342 343 TP_PROTO(int nid, 344 unsigned long nr_scanned, unsigned long nr_reclaimed, 345 unsigned long nr_dirty, unsigned long nr_writeback, 346 unsigned long nr_congested, unsigned long nr_immediate, 347 unsigned long nr_activate, unsigned long nr_ref_keep, 348 unsigned long nr_unmap_fail, 349 int priority, int file), 350 351 TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback, 352 nr_congested, nr_immediate, nr_activate, nr_ref_keep, 353 nr_unmap_fail, priority, file), 354 355 TP_STRUCT__entry( 356 __field(int, nid) 357 __field(unsigned long, nr_scanned) 358 __field(unsigned long, nr_reclaimed) 359 __field(unsigned long, nr_dirty) 360 __field(unsigned long, nr_writeback) 361 __field(unsigned long, nr_congested) 362 __field(unsigned long, nr_immediate) 363 __field(unsigned long, nr_activate) 364 __field(unsigned long, nr_ref_keep) 365 __field(unsigned long, nr_unmap_fail) 366 __field(int, priority) 367 __field(int, reclaim_flags) 368 ), 369 370 TP_fast_assign( 371 __entry->nid = nid; 372 __entry->nr_scanned = nr_scanned; 373 __entry->nr_reclaimed = nr_reclaimed; 374 __entry->nr_dirty = nr_dirty; 375 __entry->nr_writeback = nr_writeback; 376 __entry->nr_congested = nr_congested; 377 __entry->nr_immediate = nr_immediate; 378 __entry->nr_activate = nr_activate; 379 __entry->nr_ref_keep = nr_ref_keep; 380 __entry->nr_unmap_fail = nr_unmap_fail; 381 __entry->priority = priority; 382 __entry->reclaim_flags = trace_shrink_flags(file); 383 ), 384 385 TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate=%ld nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s", 386 __entry->nid, 387 __entry->nr_scanned, __entry->nr_reclaimed, 388 __entry->nr_dirty, __entry->nr_writeback, 389 __entry->nr_congested, __entry->nr_immediate, 390 __entry->nr_activate, __entry->nr_ref_keep, 391 __entry->nr_unmap_fail, __entry->priority, 392 show_reclaim_flags(__entry->reclaim_flags)) 393 ); 394 395 TRACE_EVENT(mm_vmscan_lru_shrink_active, 396 397 TP_PROTO(int nid, unsigned long nr_taken, 398 unsigned long nr_active, unsigned long nr_deactivated, 399 unsigned long nr_referenced, int priority, int file), 400 401 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file), 402 403 TP_STRUCT__entry( 404 __field(int, nid) 405 __field(unsigned long, nr_taken) 406 __field(unsigned long, nr_active) 407 __field(unsigned long, nr_deactivated) 408 __field(unsigned long, nr_referenced) 409 __field(int, priority) 410 __field(int, reclaim_flags) 411 ), 412 413 TP_fast_assign( 414 __entry->nid = nid; 415 __entry->nr_taken = nr_taken; 416 __entry->nr_active = nr_active; 417 __entry->nr_deactivated = nr_deactivated; 418 __entry->nr_referenced = nr_referenced; 419 __entry->priority = priority; 420 __entry->reclaim_flags = trace_shrink_flags(file); 421 ), 422 423 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", 424 __entry->nid, 425 __entry->nr_taken, 426 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced, 427 __entry->priority, 428 show_reclaim_flags(__entry->reclaim_flags)) 429 ); 430 431 TRACE_EVENT(mm_vmscan_inactive_list_is_low, 432 433 TP_PROTO(int nid, int reclaim_idx, 434 unsigned long total_inactive, unsigned long inactive, 435 unsigned long total_active, unsigned long active, 436 unsigned long ratio, int file), 437 438 TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file), 439 440 TP_STRUCT__entry( 441 __field(int, nid) 442 __field(int, reclaim_idx) 443 __field(unsigned long, total_inactive) 444 __field(unsigned long, inactive) 445 __field(unsigned long, total_active) 446 __field(unsigned long, active) 447 __field(unsigned long, ratio) 448 __field(int, reclaim_flags) 449 ), 450 451 TP_fast_assign( 452 __entry->nid = nid; 453 __entry->reclaim_idx = reclaim_idx; 454 __entry->total_inactive = total_inactive; 455 __entry->inactive = inactive; 456 __entry->total_active = total_active; 457 __entry->active = active; 458 __entry->ratio = ratio; 459 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU; 460 ), 461 462 TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s", 463 __entry->nid, 464 __entry->reclaim_idx, 465 __entry->total_inactive, __entry->inactive, 466 __entry->total_active, __entry->active, 467 __entry->ratio, 468 show_reclaim_flags(__entry->reclaim_flags)) 469 ); 470 #endif /* _TRACE_VMSCAN_H */ 471 472 /* This part must be outside protection */ 473 #include <trace/define_trace.h> 474