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