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 order=%d", 77 __entry->nid, 78 __entry->order) 79 ); 80 81 TRACE_EVENT(mm_vmscan_wakeup_kswapd, 82 83 TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags), 84 85 TP_ARGS(nid, zid, order, gfp_flags), 86 87 TP_STRUCT__entry( 88 __field( int, nid ) 89 __field( int, zid ) 90 __field( int, order ) 91 __field( gfp_t, gfp_flags ) 92 ), 93 94 TP_fast_assign( 95 __entry->nid = nid; 96 __entry->zid = zid; 97 __entry->order = order; 98 __entry->gfp_flags = gfp_flags; 99 ), 100 101 TP_printk("nid=%d order=%d gfp_flags=%s", 102 __entry->nid, 103 __entry->order, 104 show_gfp_flags(__entry->gfp_flags)) 105 ); 106 107 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, 108 109 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 110 111 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx), 112 113 TP_STRUCT__entry( 114 __field( int, order ) 115 __field( int, may_writepage ) 116 __field( gfp_t, gfp_flags ) 117 __field( int, classzone_idx ) 118 ), 119 120 TP_fast_assign( 121 __entry->order = order; 122 __entry->may_writepage = may_writepage; 123 __entry->gfp_flags = gfp_flags; 124 __entry->classzone_idx = classzone_idx; 125 ), 126 127 TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d", 128 __entry->order, 129 __entry->may_writepage, 130 show_gfp_flags(__entry->gfp_flags), 131 __entry->classzone_idx) 132 ); 133 134 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, 135 136 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 137 138 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 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, int may_writepage, gfp_t gfp_flags, int classzone_idx), 145 146 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 147 ); 148 149 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin, 150 151 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 152 153 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 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 classzone_idx, 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(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru), 290 291 TP_STRUCT__entry( 292 __field(int, classzone_idx) 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->classzone_idx = classzone_idx; 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 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s", 314 __entry->isolate_mode, 315 __entry->classzone_idx, 316 __entry->order, 317 __entry->nr_requested, 318 __entry->nr_scanned, 319 __entry->nr_skipped, 320 __entry->nr_taken, 321 __print_symbolic(__entry->lru, LRU_NAMES)) 322 ); 323 324 TRACE_EVENT(mm_vmscan_writepage, 325 326 TP_PROTO(struct page *page), 327 328 TP_ARGS(page), 329 330 TP_STRUCT__entry( 331 __field(unsigned long, pfn) 332 __field(int, reclaim_flags) 333 ), 334 335 TP_fast_assign( 336 __entry->pfn = page_to_pfn(page); 337 __entry->reclaim_flags = trace_reclaim_flags(page); 338 ), 339 340 TP_printk("page=%p pfn=%lu flags=%s", 341 pfn_to_page(__entry->pfn), 342 __entry->pfn, 343 show_reclaim_flags(__entry->reclaim_flags)) 344 ); 345 346 TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 347 348 TP_PROTO(int nid, 349 unsigned long nr_scanned, unsigned long nr_reclaimed, 350 struct reclaim_stat *stat, int priority, int file), 351 352 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file), 353 354 TP_STRUCT__entry( 355 __field(int, nid) 356 __field(unsigned long, nr_scanned) 357 __field(unsigned long, nr_reclaimed) 358 __field(unsigned long, nr_dirty) 359 __field(unsigned long, nr_writeback) 360 __field(unsigned long, nr_congested) 361 __field(unsigned long, nr_immediate) 362 __field(unsigned int, nr_activate0) 363 __field(unsigned int, nr_activate1) 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 = stat->nr_dirty; 375 __entry->nr_writeback = stat->nr_writeback; 376 __entry->nr_congested = stat->nr_congested; 377 __entry->nr_immediate = stat->nr_immediate; 378 __entry->nr_activate0 = stat->nr_activate[0]; 379 __entry->nr_activate1 = stat->nr_activate[1]; 380 __entry->nr_ref_keep = stat->nr_ref_keep; 381 __entry->nr_unmap_fail = stat->nr_unmap_fail; 382 __entry->priority = priority; 383 __entry->reclaim_flags = trace_shrink_flags(file); 384 ), 385 386 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", 387 __entry->nid, 388 __entry->nr_scanned, __entry->nr_reclaimed, 389 __entry->nr_dirty, __entry->nr_writeback, 390 __entry->nr_congested, __entry->nr_immediate, 391 __entry->nr_activate0, __entry->nr_activate1, 392 __entry->nr_ref_keep, __entry->nr_unmap_fail, 393 __entry->priority, 394 show_reclaim_flags(__entry->reclaim_flags)) 395 ); 396 397 TRACE_EVENT(mm_vmscan_lru_shrink_active, 398 399 TP_PROTO(int nid, unsigned long nr_taken, 400 unsigned long nr_active, unsigned long nr_deactivated, 401 unsigned long nr_referenced, int priority, int file), 402 403 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file), 404 405 TP_STRUCT__entry( 406 __field(int, nid) 407 __field(unsigned long, nr_taken) 408 __field(unsigned long, nr_active) 409 __field(unsigned long, nr_deactivated) 410 __field(unsigned long, nr_referenced) 411 __field(int, priority) 412 __field(int, reclaim_flags) 413 ), 414 415 TP_fast_assign( 416 __entry->nid = nid; 417 __entry->nr_taken = nr_taken; 418 __entry->nr_active = nr_active; 419 __entry->nr_deactivated = nr_deactivated; 420 __entry->nr_referenced = nr_referenced; 421 __entry->priority = priority; 422 __entry->reclaim_flags = trace_shrink_flags(file); 423 ), 424 425 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", 426 __entry->nid, 427 __entry->nr_taken, 428 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced, 429 __entry->priority, 430 show_reclaim_flags(__entry->reclaim_flags)) 431 ); 432 433 TRACE_EVENT(mm_vmscan_inactive_list_is_low, 434 435 TP_PROTO(int nid, int reclaim_idx, 436 unsigned long total_inactive, unsigned long inactive, 437 unsigned long total_active, unsigned long active, 438 unsigned long ratio, int file), 439 440 TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file), 441 442 TP_STRUCT__entry( 443 __field(int, nid) 444 __field(int, reclaim_idx) 445 __field(unsigned long, total_inactive) 446 __field(unsigned long, inactive) 447 __field(unsigned long, total_active) 448 __field(unsigned long, active) 449 __field(unsigned long, ratio) 450 __field(int, reclaim_flags) 451 ), 452 453 TP_fast_assign( 454 __entry->nid = nid; 455 __entry->reclaim_idx = reclaim_idx; 456 __entry->total_inactive = total_inactive; 457 __entry->inactive = inactive; 458 __entry->total_active = total_active; 459 __entry->active = active; 460 __entry->ratio = ratio; 461 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU; 462 ), 463 464 TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s", 465 __entry->nid, 466 __entry->reclaim_idx, 467 __entry->total_inactive, __entry->inactive, 468 __entry->total_active, __entry->active, 469 __entry->ratio, 470 show_reclaim_flags(__entry->reclaim_flags)) 471 ); 472 #endif /* _TRACE_VMSCAN_H */ 473 474 /* This part must be outside protection */ 475 #include <trace/define_trace.h> 476