include/trace/events/vmscan.h

   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, gfp_t gfp_flags),
 110
 111         TP_ARGS(order, gfp_flags),
 112
 113         TP_STRUCT__entry(
 114                 __field(        int,    order           )
 115                 __field(        gfp_t,  gfp_flags       )
 116         ),
 117
 118         TP_fast_assign(
 119                 __entry->order          = order;
 120                 __entry->gfp_flags      = gfp_flags;
 121         ),
 122
 123         TP_printk("order=%d gfp_flags=%s",
 124                 __entry->order,
 125                 show_gfp_flags(__entry->gfp_flags))
 126 );
 127
 128 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
 129
 130         TP_PROTO(int order, gfp_t gfp_flags),
 131
 132         TP_ARGS(order, gfp_flags)
 133 );
 134
 135 #ifdef CONFIG_MEMCG
 136 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
 137
 138         TP_PROTO(int order, gfp_t gfp_flags),
 139
 140         TP_ARGS(order, gfp_flags)
 141 );
 142
 143 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 144
 145         TP_PROTO(int order, gfp_t gfp_flags),
 146
 147         TP_ARGS(order, gfp_flags)
 148 );
 149 #endif /* CONFIG_MEMCG */
 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 #ifdef CONFIG_MEMCG
 176 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 177
 178         TP_PROTO(unsigned long nr_reclaimed),
 179
 180         TP_ARGS(nr_reclaimed)
 181 );
 182
 183 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 184
 185         TP_PROTO(unsigned long nr_reclaimed),
 186
 187         TP_ARGS(nr_reclaimed)
 188 );
 189 #endif /* CONFIG_MEMCG */
 190
 191 TRACE_EVENT(mm_shrink_slab_start,
 192         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 193                 long nr_objects_to_shrink, unsigned long cache_items,
 194                 unsigned long long delta, unsigned long total_scan,
 195                 int priority),
 196
 197         TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
 198                 priority),
 199
 200         TP_STRUCT__entry(
 201                 __field(struct shrinker *, shr)
 202                 __field(void *, shrink)
 203                 __field(int, nid)
 204                 __field(long, nr_objects_to_shrink)
 205                 __field(gfp_t, gfp_flags)
 206                 __field(unsigned long, cache_items)
 207                 __field(unsigned long long, delta)
 208                 __field(unsigned long, total_scan)
 209                 __field(int, priority)
 210         ),
 211
 212         TP_fast_assign(
 213                 __entry->shr = shr;
 214                 __entry->shrink = shr->scan_objects;
 215                 __entry->nid = sc->nid;
 216                 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
 217                 __entry->gfp_flags = sc->gfp_mask;
 218                 __entry->cache_items = cache_items;
 219                 __entry->delta = delta;
 220                 __entry->total_scan = total_scan;
 221                 __entry->priority = priority;
 222         ),
 223
 224         TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
 225                 __entry->shrink,
 226                 __entry->shr,
 227                 __entry->nid,
 228                 __entry->nr_objects_to_shrink,
 229                 show_gfp_flags(__entry->gfp_flags),
 230                 __entry->cache_items,
 231                 __entry->delta,
 232                 __entry->total_scan,
 233                 __entry->priority)
 234 );
 235
 236 TRACE_EVENT(mm_shrink_slab_end,
 237         TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
 238                 long unused_scan_cnt, long new_scan_cnt, long total_scan),
 239
 240         TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
 241                 total_scan),
 242
 243         TP_STRUCT__entry(
 244                 __field(struct shrinker *, shr)
 245                 __field(int, nid)
 246                 __field(void *, shrink)
 247                 __field(long, unused_scan)
 248                 __field(long, new_scan)
 249                 __field(int, retval)
 250                 __field(long, total_scan)
 251         ),
 252
 253         TP_fast_assign(
 254                 __entry->shr = shr;
 255                 __entry->nid = nid;
 256                 __entry->shrink = shr->scan_objects;
 257                 __entry->unused_scan = unused_scan_cnt;
 258                 __entry->new_scan = new_scan_cnt;
 259                 __entry->retval = shrinker_retval;
 260                 __entry->total_scan = total_scan;
 261         ),
 262
 263         TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 264                 __entry->shrink,
 265                 __entry->shr,
 266                 __entry->nid,
 267                 __entry->unused_scan,
 268                 __entry->new_scan,
 269                 __entry->total_scan,
 270                 __entry->retval)
 271 );
 272
 273 TRACE_EVENT(mm_vmscan_lru_isolate,
 274         TP_PROTO(int classzone_idx,
 275                 int order,
 276                 unsigned long nr_requested,
 277                 unsigned long nr_scanned,
 278                 unsigned long nr_skipped,
 279                 unsigned long nr_taken,
 280                 isolate_mode_t isolate_mode,
 281                 int lru),
 282
 283         TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
 284
 285         TP_STRUCT__entry(
 286                 __field(int, classzone_idx)
 287                 __field(int, order)
 288                 __field(unsigned long, nr_requested)
 289                 __field(unsigned long, nr_scanned)
 290                 __field(unsigned long, nr_skipped)
 291                 __field(unsigned long, nr_taken)
 292                 __field(isolate_mode_t, isolate_mode)
 293                 __field(int, lru)
 294         ),
 295
 296         TP_fast_assign(
 297                 __entry->classzone_idx = classzone_idx;
 298                 __entry->order = order;
 299                 __entry->nr_requested = nr_requested;
 300                 __entry->nr_scanned = nr_scanned;
 301                 __entry->nr_skipped = nr_skipped;
 302                 __entry->nr_taken = nr_taken;
 303                 __entry->isolate_mode = isolate_mode;
 304                 __entry->lru = lru;
 305         ),
 306
 307         TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
 308                 __entry->isolate_mode,
 309                 __entry->classzone_idx,
 310                 __entry->order,
 311                 __entry->nr_requested,
 312                 __entry->nr_scanned,
 313                 __entry->nr_skipped,
 314                 __entry->nr_taken,
 315                 __print_symbolic(__entry->lru, LRU_NAMES))
 316 );
 317
 318 TRACE_EVENT(mm_vmscan_writepage,
 319
 320         TP_PROTO(struct page *page),
 321
 322         TP_ARGS(page),
 323
 324         TP_STRUCT__entry(
 325                 __field(unsigned long, pfn)
 326                 __field(int, reclaim_flags)
 327         ),
 328
 329         TP_fast_assign(
 330                 __entry->pfn = page_to_pfn(page);
 331                 __entry->reclaim_flags = trace_reclaim_flags(page);
 332         ),
 333
 334         TP_printk("page=%p pfn=%lu flags=%s",
 335                 pfn_to_page(__entry->pfn),
 336                 __entry->pfn,
 337                 show_reclaim_flags(__entry->reclaim_flags))
 338 );
 339
 340 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 341
 342         TP_PROTO(int nid,
 343                 unsigned long nr_scanned, unsigned long nr_reclaimed,
 344                 struct reclaim_stat *stat, int priority, int file),
 345
 346         TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),
 347
 348         TP_STRUCT__entry(
 349                 __field(int, nid)
 350                 __field(unsigned long, nr_scanned)
 351                 __field(unsigned long, nr_reclaimed)
 352                 __field(unsigned long, nr_dirty)
 353                 __field(unsigned long, nr_writeback)
 354                 __field(unsigned long, nr_congested)
 355                 __field(unsigned long, nr_immediate)
 356                 __field(unsigned int, nr_activate0)
 357                 __field(unsigned int, nr_activate1)
 358                 __field(unsigned long, nr_ref_keep)
 359                 __field(unsigned long, nr_unmap_fail)
 360                 __field(int, priority)
 361                 __field(int, reclaim_flags)
 362         ),
 363
 364         TP_fast_assign(
 365                 __entry->nid = nid;
 366                 __entry->nr_scanned = nr_scanned;
 367                 __entry->nr_reclaimed = nr_reclaimed;
 368                 __entry->nr_dirty = stat->nr_dirty;
 369                 __entry->nr_writeback = stat->nr_writeback;
 370                 __entry->nr_congested = stat->nr_congested;
 371                 __entry->nr_immediate = stat->nr_immediate;
 372                 __entry->nr_activate0 = stat->nr_activate[0];
 373                 __entry->nr_activate1 = stat->nr_activate[1];
 374                 __entry->nr_ref_keep = stat->nr_ref_keep;
 375                 __entry->nr_unmap_fail = stat->nr_unmap_fail;
 376                 __entry->priority = priority;
 377                 __entry->reclaim_flags = trace_shrink_flags(file);
 378         ),
 379
 380         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",
 381                 __entry->nid,
 382                 __entry->nr_scanned, __entry->nr_reclaimed,
 383                 __entry->nr_dirty, __entry->nr_writeback,
 384                 __entry->nr_congested, __entry->nr_immediate,
 385                 __entry->nr_activate0, __entry->nr_activate1,
 386                 __entry->nr_ref_keep, __entry->nr_unmap_fail,
 387                 __entry->priority,
 388                 show_reclaim_flags(__entry->reclaim_flags))
 389 );
 390
 391 TRACE_EVENT(mm_vmscan_lru_shrink_active,
 392
 393         TP_PROTO(int nid, unsigned long nr_taken,
 394                 unsigned long nr_active, unsigned long nr_deactivated,
 395                 unsigned long nr_referenced, int priority, int file),
 396
 397         TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
 398
 399         TP_STRUCT__entry(
 400                 __field(int, nid)
 401                 __field(unsigned long, nr_taken)
 402                 __field(unsigned long, nr_active)
 403                 __field(unsigned long, nr_deactivated)
 404                 __field(unsigned long, nr_referenced)
 405                 __field(int, priority)
 406                 __field(int, reclaim_flags)
 407         ),
 408
 409         TP_fast_assign(
 410                 __entry->nid = nid;
 411                 __entry->nr_taken = nr_taken;
 412                 __entry->nr_active = nr_active;
 413                 __entry->nr_deactivated = nr_deactivated;
 414                 __entry->nr_referenced = nr_referenced;
 415                 __entry->priority = priority;
 416                 __entry->reclaim_flags = trace_shrink_flags(file);
 417         ),
 418
 419         TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
 420                 __entry->nid,
 421                 __entry->nr_taken,
 422                 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
 423                 __entry->priority,
 424                 show_reclaim_flags(__entry->reclaim_flags))
 425 );
 426
 427 TRACE_EVENT(mm_vmscan_inactive_list_is_low,
 428
 429         TP_PROTO(int nid, int reclaim_idx,
 430                 unsigned long total_inactive, unsigned long inactive,
 431                 unsigned long total_active, unsigned long active,
 432                 unsigned long ratio, int file),
 433
 434         TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
 435
 436         TP_STRUCT__entry(
 437                 __field(int, nid)
 438                 __field(int, reclaim_idx)
 439                 __field(unsigned long, total_inactive)
 440                 __field(unsigned long, inactive)
 441                 __field(unsigned long, total_active)
 442                 __field(unsigned long, active)
 443                 __field(unsigned long, ratio)
 444                 __field(int, reclaim_flags)
 445         ),
 446
 447         TP_fast_assign(
 448                 __entry->nid = nid;
 449                 __entry->reclaim_idx = reclaim_idx;
 450                 __entry->total_inactive = total_inactive;
 451                 __entry->inactive = inactive;
 452                 __entry->total_active = total_active;
 453                 __entry->active = active;
 454                 __entry->ratio = ratio;
 455                 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
 456         ),
 457
 458         TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
 459                 __entry->nid,
 460                 __entry->reclaim_idx,
 461                 __entry->total_inactive, __entry->inactive,
 462                 __entry->total_active, __entry->active,
 463                 __entry->ratio,
 464                 show_reclaim_flags(__entry->reclaim_flags))
 465 );
 466
 467 TRACE_EVENT(mm_vmscan_node_reclaim_begin,
 468
 469         TP_PROTO(int nid, int order, gfp_t gfp_flags),
 470
 471         TP_ARGS(nid, order, gfp_flags),
 472
 473         TP_STRUCT__entry(
 474                 __field(int, nid)
 475                 __field(int, order)
 476                 __field(gfp_t, gfp_flags)
 477         ),
 478
 479         TP_fast_assign(
 480                 __entry->nid = nid;
 481                 __entry->order = order;
 482                 __entry->gfp_flags = gfp_flags;
 483         ),
 484
 485         TP_printk("nid=%d order=%d gfp_flags=%s",
 486                 __entry->nid,
 487                 __entry->order,
 488                 show_gfp_flags(__entry->gfp_flags))
 489 );
 490
 491 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
 492
 493         TP_PROTO(unsigned long nr_reclaimed),
 494
 495         TP_ARGS(nr_reclaimed)
 496 );
 497
 498 #endif /* _TRACE_VMSCAN_H */
 499
 500 /* This part must be outside protection */
 501 #include <trace/define_trace.h>