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 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 #ifdef CONFIG_MEMCG
 138 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
 139
 140         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 141
 142         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 143 );
 144
 145 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 146
 147         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 148
 149         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 150 );
 151 #endif /* CONFIG_MEMCG */
 152
 153 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
 154
 155         TP_PROTO(unsigned long nr_reclaimed),
 156
 157         TP_ARGS(nr_reclaimed),
 158
 159         TP_STRUCT__entry(
 160                 __field(        unsigned long,  nr_reclaimed    )
 161         ),
 162
 163         TP_fast_assign(
 164                 __entry->nr_reclaimed   = nr_reclaimed;
 165         ),
 166
 167         TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
 168 );
 169
 170 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
 171
 172         TP_PROTO(unsigned long nr_reclaimed),
 173
 174         TP_ARGS(nr_reclaimed)
 175 );
 176
 177 #ifdef CONFIG_MEMCG
 178 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 179
 180         TP_PROTO(unsigned long nr_reclaimed),
 181
 182         TP_ARGS(nr_reclaimed)
 183 );
 184
 185 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 186
 187         TP_PROTO(unsigned long nr_reclaimed),
 188
 189         TP_ARGS(nr_reclaimed)
 190 );
 191 #endif /* CONFIG_MEMCG */
 192
 193 TRACE_EVENT(mm_shrink_slab_start,
 194         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 195                 long nr_objects_to_shrink, unsigned long cache_items,
 196                 unsigned long long delta, unsigned long total_scan,
 197                 int priority),
 198
 199         TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
 200                 priority),
 201
 202         TP_STRUCT__entry(
 203                 __field(struct shrinker *, shr)
 204                 __field(void *, shrink)
 205                 __field(int, nid)
 206                 __field(long, nr_objects_to_shrink)
 207                 __field(gfp_t, gfp_flags)
 208                 __field(unsigned long, cache_items)
 209                 __field(unsigned long long, delta)
 210                 __field(unsigned long, total_scan)
 211                 __field(int, priority)
 212         ),
 213
 214         TP_fast_assign(
 215                 __entry->shr = shr;
 216                 __entry->shrink = shr->scan_objects;
 217                 __entry->nid = sc->nid;
 218                 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
 219                 __entry->gfp_flags = sc->gfp_mask;
 220                 __entry->cache_items = cache_items;
 221                 __entry->delta = delta;
 222                 __entry->total_scan = total_scan;
 223                 __entry->priority = priority;
 224         ),
 225
 226         TP_printk("%pF %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
 227                 __entry->shrink,
 228                 __entry->shr,
 229                 __entry->nid,
 230                 __entry->nr_objects_to_shrink,
 231                 show_gfp_flags(__entry->gfp_flags),
 232                 __entry->cache_items,
 233                 __entry->delta,
 234                 __entry->total_scan,
 235                 __entry->priority)
 236 );
 237
 238 TRACE_EVENT(mm_shrink_slab_end,
 239         TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
 240                 long unused_scan_cnt, long new_scan_cnt, long total_scan),
 241
 242         TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
 243                 total_scan),
 244
 245         TP_STRUCT__entry(
 246                 __field(struct shrinker *, shr)
 247                 __field(int, nid)
 248                 __field(void *, shrink)
 249                 __field(long, unused_scan)
 250                 __field(long, new_scan)
 251                 __field(int, retval)
 252                 __field(long, total_scan)
 253         ),
 254
 255         TP_fast_assign(
 256                 __entry->shr = shr;
 257                 __entry->nid = nid;
 258                 __entry->shrink = shr->scan_objects;
 259                 __entry->unused_scan = unused_scan_cnt;
 260                 __entry->new_scan = new_scan_cnt;
 261                 __entry->retval = shrinker_retval;
 262                 __entry->total_scan = total_scan;
 263         ),
 264
 265         TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 266                 __entry->shrink,
 267                 __entry->shr,
 268                 __entry->nid,
 269                 __entry->unused_scan,
 270                 __entry->new_scan,
 271                 __entry->total_scan,
 272                 __entry->retval)
 273 );
 274
 275 TRACE_EVENT(mm_vmscan_lru_isolate,
 276         TP_PROTO(int classzone_idx,
 277                 int order,
 278                 unsigned long nr_requested,
 279                 unsigned long nr_scanned,
 280                 unsigned long nr_skipped,
 281                 unsigned long nr_taken,
 282                 isolate_mode_t isolate_mode,
 283                 int lru),
 284
 285         TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
 286
 287         TP_STRUCT__entry(
 288                 __field(int, classzone_idx)
 289                 __field(int, order)
 290                 __field(unsigned long, nr_requested)
 291                 __field(unsigned long, nr_scanned)
 292                 __field(unsigned long, nr_skipped)
 293                 __field(unsigned long, nr_taken)
 294                 __field(isolate_mode_t, isolate_mode)
 295                 __field(int, lru)
 296         ),
 297
 298         TP_fast_assign(
 299                 __entry->classzone_idx = classzone_idx;
 300                 __entry->order = order;
 301                 __entry->nr_requested = nr_requested;
 302                 __entry->nr_scanned = nr_scanned;
 303                 __entry->nr_skipped = nr_skipped;
 304                 __entry->nr_taken = nr_taken;
 305                 __entry->isolate_mode = isolate_mode;
 306                 __entry->lru = lru;
 307         ),
 308
 309         TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
 310                 __entry->isolate_mode,
 311                 __entry->classzone_idx,
 312                 __entry->order,
 313                 __entry->nr_requested,
 314                 __entry->nr_scanned,
 315                 __entry->nr_skipped,
 316                 __entry->nr_taken,
 317                 __print_symbolic(__entry->lru, LRU_NAMES))
 318 );
 319
 320 TRACE_EVENT(mm_vmscan_writepage,
 321
 322         TP_PROTO(struct page *page),
 323
 324         TP_ARGS(page),
 325
 326         TP_STRUCT__entry(
 327                 __field(unsigned long, pfn)
 328                 __field(int, reclaim_flags)
 329         ),
 330
 331         TP_fast_assign(
 332                 __entry->pfn = page_to_pfn(page);
 333                 __entry->reclaim_flags = trace_reclaim_flags(page);
 334         ),
 335
 336         TP_printk("page=%p pfn=%lu flags=%s",
 337                 pfn_to_page(__entry->pfn),
 338                 __entry->pfn,
 339                 show_reclaim_flags(__entry->reclaim_flags))
 340 );
 341
 342 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 343
 344         TP_PROTO(int nid,
 345                 unsigned long nr_scanned, unsigned long nr_reclaimed,
 346                 unsigned long nr_dirty, unsigned long nr_writeback,
 347                 unsigned long nr_congested, unsigned long nr_immediate,
 348                 unsigned long nr_activate, unsigned long nr_ref_keep,
 349                 unsigned long nr_unmap_fail,
 350                 int priority, int file),
 351
 352         TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback,
 353                 nr_congested, nr_immediate, nr_activate, nr_ref_keep,
 354                 nr_unmap_fail, priority, file),
 355
 356         TP_STRUCT__entry(
 357                 __field(int, nid)
 358                 __field(unsigned long, nr_scanned)
 359                 __field(unsigned long, nr_reclaimed)
 360                 __field(unsigned long, nr_dirty)
 361                 __field(unsigned long, nr_writeback)
 362                 __field(unsigned long, nr_congested)
 363                 __field(unsigned long, nr_immediate)
 364                 __field(unsigned long, nr_activate)
 365                 __field(unsigned long, nr_ref_keep)
 366                 __field(unsigned long, nr_unmap_fail)
 367                 __field(int, priority)
 368                 __field(int, reclaim_flags)
 369         ),
 370
 371         TP_fast_assign(
 372                 __entry->nid = nid;
 373                 __entry->nr_scanned = nr_scanned;
 374                 __entry->nr_reclaimed = nr_reclaimed;
 375                 __entry->nr_dirty = nr_dirty;
 376                 __entry->nr_writeback = nr_writeback;
 377                 __entry->nr_congested = nr_congested;
 378                 __entry->nr_immediate = nr_immediate;
 379                 __entry->nr_activate = nr_activate;
 380                 __entry->nr_ref_keep = nr_ref_keep;
 381                 __entry->nr_unmap_fail = 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=%ld 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_activate, __entry->nr_ref_keep,
 392                 __entry->nr_unmap_fail, __entry->priority,
 393                 show_reclaim_flags(__entry->reclaim_flags))
 394 );
 395
 396 TRACE_EVENT(mm_vmscan_lru_shrink_active,
 397
 398         TP_PROTO(int nid, unsigned long nr_taken,
 399                 unsigned long nr_active, unsigned long nr_deactivated,
 400                 unsigned long nr_referenced, int priority, int file),
 401
 402         TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
 403
 404         TP_STRUCT__entry(
 405                 __field(int, nid)
 406                 __field(unsigned long, nr_taken)
 407                 __field(unsigned long, nr_active)
 408                 __field(unsigned long, nr_deactivated)
 409                 __field(unsigned long, nr_referenced)
 410                 __field(int, priority)
 411                 __field(int, reclaim_flags)
 412         ),
 413
 414         TP_fast_assign(
 415                 __entry->nid = nid;
 416                 __entry->nr_taken = nr_taken;
 417                 __entry->nr_active = nr_active;
 418                 __entry->nr_deactivated = nr_deactivated;
 419                 __entry->nr_referenced = nr_referenced;
 420                 __entry->priority = priority;
 421                 __entry->reclaim_flags = trace_shrink_flags(file);
 422         ),
 423
 424         TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
 425                 __entry->nid,
 426                 __entry->nr_taken,
 427                 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
 428                 __entry->priority,
 429                 show_reclaim_flags(__entry->reclaim_flags))
 430 );
 431
 432 TRACE_EVENT(mm_vmscan_inactive_list_is_low,
 433
 434         TP_PROTO(int nid, int reclaim_idx,
 435                 unsigned long total_inactive, unsigned long inactive,
 436                 unsigned long total_active, unsigned long active,
 437                 unsigned long ratio, int file),
 438
 439         TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
 440
 441         TP_STRUCT__entry(
 442                 __field(int, nid)
 443                 __field(int, reclaim_idx)
 444                 __field(unsigned long, total_inactive)
 445                 __field(unsigned long, inactive)
 446                 __field(unsigned long, total_active)
 447                 __field(unsigned long, active)
 448                 __field(unsigned long, ratio)
 449                 __field(int, reclaim_flags)
 450         ),
 451
 452         TP_fast_assign(
 453                 __entry->nid = nid;
 454                 __entry->reclaim_idx = reclaim_idx;
 455                 __entry->total_inactive = total_inactive;
 456                 __entry->inactive = inactive;
 457                 __entry->total_active = total_active;
 458                 __entry->active = active;
 459                 __entry->ratio = ratio;
 460                 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
 461         ),
 462
 463         TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
 464                 __entry->nid,
 465                 __entry->reclaim_idx,
 466                 __entry->total_inactive, __entry->inactive,
 467                 __entry->total_active, __entry->active,
 468                 __entry->ratio,
 469                 show_reclaim_flags(__entry->reclaim_flags))
 470 );
 471 #endif /* _TRACE_VMSCAN_H */
 472
 473 /* This part must be outside protection */
 474 #include <trace/define_trace.h>