include/trace/events/vmscan.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM vmscan
   3
   4 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_VMSCAN_H
   6
   7 #include <linux/types.h>
   8 #include <linux/tracepoint.h>
   9 #include <linux/mm.h>
  10 #include <linux/memcontrol.h>
  11 #include <trace/events/mmflags.h>
  12
  13 #define RECLAIM_WB_ANON         0x0001u
  14 #define RECLAIM_WB_FILE         0x0002u
  15 #define RECLAIM_WB_MIXED        0x0010u
  16 #define RECLAIM_WB_SYNC         0x0004u /* Unused, all reclaim async */
  17 #define RECLAIM_WB_ASYNC        0x0008u
  18 #define RECLAIM_WB_LRU          (RECLAIM_WB_ANON|RECLAIM_WB_FILE)
  19
  20 #define show_reclaim_flags(flags)                               \
  21         (flags) ? __print_flags(flags, "|",                     \
  22                 {RECLAIM_WB_ANON,       "RECLAIM_WB_ANON"},     \
  23                 {RECLAIM_WB_FILE,       "RECLAIM_WB_FILE"},     \
  24                 {RECLAIM_WB_MIXED,      "RECLAIM_WB_MIXED"},    \
  25                 {RECLAIM_WB_SYNC,       "RECLAIM_WB_SYNC"},     \
  26                 {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
  27                 ) : "RECLAIM_WB_NONE"
  28
  29 #define trace_reclaim_flags(page) ( \
  30         (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
  31         (RECLAIM_WB_ASYNC) \
  32         )
  33
  34 #define trace_shrink_flags(file) \
  35         ( \
  36                 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
  37                 (RECLAIM_WB_ASYNC) \
  38         )
  39
  40 TRACE_EVENT(mm_vmscan_kswapd_sleep,
  41
  42         TP_PROTO(int nid),
  43
  44         TP_ARGS(nid),
  45
  46         TP_STRUCT__entry(
  47                 __field(        int,    nid     )
  48         ),
  49
  50         TP_fast_assign(
  51                 __entry->nid    = nid;
  52         ),
  53
  54         TP_printk("nid=%d", __entry->nid)
  55 );
  56
  57 TRACE_EVENT(mm_vmscan_kswapd_wake,
  58
  59         TP_PROTO(int nid, int zid, int order),
  60
  61         TP_ARGS(nid, zid, order),
  62
  63         TP_STRUCT__entry(
  64                 __field(        int,    nid     )
  65                 __field(        int,    zid     )
  66                 __field(        int,    order   )
  67         ),
  68
  69         TP_fast_assign(
  70                 __entry->nid    = nid;
  71                 __entry->zid    = zid;
  72                 __entry->order  = order;
  73         ),
  74
  75         TP_printk("nid=%d zid=%d order=%d", __entry->nid, __entry->zid, __entry->order)
  76 );
  77
  78 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
  79
  80         TP_PROTO(int nid, int zid, int order),
  81
  82         TP_ARGS(nid, zid, order),
  83
  84         TP_STRUCT__entry(
  85                 __field(        int,            nid     )
  86                 __field(        int,            zid     )
  87                 __field(        int,            order   )
  88         ),
  89
  90         TP_fast_assign(
  91                 __entry->nid            = nid;
  92                 __entry->zid            = zid;
  93                 __entry->order          = order;
  94         ),
  95
  96         TP_printk("nid=%d zid=%d order=%d",
  97                 __entry->nid,
  98                 __entry->zid,
  99                 __entry->order)
 100 );
 101
 102 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
 103
 104         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 105
 106         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx),
 107
 108         TP_STRUCT__entry(
 109                 __field(        int,    order           )
 110                 __field(        int,    may_writepage   )
 111                 __field(        gfp_t,  gfp_flags       )
 112                 __field(        int,    classzone_idx   )
 113         ),
 114
 115         TP_fast_assign(
 116                 __entry->order          = order;
 117                 __entry->may_writepage  = may_writepage;
 118                 __entry->gfp_flags      = gfp_flags;
 119                 __entry->classzone_idx  = classzone_idx;
 120         ),
 121
 122         TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d",
 123                 __entry->order,
 124                 __entry->may_writepage,
 125                 show_gfp_flags(__entry->gfp_flags),
 126                 __entry->classzone_idx)
 127 );
 128
 129 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
 130
 131         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 132
 133         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 134 );
 135
 136 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
 137
 138         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 139
 140         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 141 );
 142
 143 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 144
 145         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 146
 147         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 148 );
 149
 150 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
 151
 152         TP_PROTO(unsigned long nr_reclaimed),
 153
 154         TP_ARGS(nr_reclaimed),
 155
 156         TP_STRUCT__entry(
 157                 __field(        unsigned long,  nr_reclaimed    )
 158         ),
 159
 160         TP_fast_assign(
 161                 __entry->nr_reclaimed   = nr_reclaimed;
 162         ),
 163
 164         TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
 165 );
 166
 167 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
 168
 169         TP_PROTO(unsigned long nr_reclaimed),
 170
 171         TP_ARGS(nr_reclaimed)
 172 );
 173
 174 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 175
 176         TP_PROTO(unsigned long nr_reclaimed),
 177
 178         TP_ARGS(nr_reclaimed)
 179 );
 180
 181 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 182
 183         TP_PROTO(unsigned long nr_reclaimed),
 184
 185         TP_ARGS(nr_reclaimed)
 186 );
 187
 188 TRACE_EVENT(mm_shrink_slab_start,
 189         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 190                 long nr_objects_to_shrink, unsigned long pgs_scanned,
 191                 unsigned long lru_pgs, unsigned long cache_items,
 192                 unsigned long long delta, unsigned long total_scan),
 193
 194         TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
 195                 cache_items, delta, total_scan),
 196
 197         TP_STRUCT__entry(
 198                 __field(struct shrinker *, shr)
 199                 __field(void *, shrink)
 200                 __field(int, nid)
 201                 __field(long, nr_objects_to_shrink)
 202                 __field(gfp_t, gfp_flags)
 203                 __field(unsigned long, pgs_scanned)
 204                 __field(unsigned long, lru_pgs)
 205                 __field(unsigned long, cache_items)
 206                 __field(unsigned long long, delta)
 207                 __field(unsigned long, total_scan)
 208         ),
 209
 210         TP_fast_assign(
 211                 __entry->shr = shr;
 212                 __entry->shrink = shr->scan_objects;
 213                 __entry->nid = sc->nid;
 214                 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
 215                 __entry->gfp_flags = sc->gfp_mask;
 216                 __entry->pgs_scanned = pgs_scanned;
 217                 __entry->lru_pgs = lru_pgs;
 218                 __entry->cache_items = cache_items;
 219                 __entry->delta = delta;
 220                 __entry->total_scan = total_scan;
 221         ),
 222
 223         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",
 224                 __entry->shrink,
 225                 __entry->shr,
 226                 __entry->nid,
 227                 __entry->nr_objects_to_shrink,
 228                 show_gfp_flags(__entry->gfp_flags),
 229                 __entry->pgs_scanned,
 230                 __entry->lru_pgs,
 231                 __entry->cache_items,
 232                 __entry->delta,
 233                 __entry->total_scan)
 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("%pF %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                 unsigned long nr_dirty, unsigned long nr_writeback,
 345                 unsigned long nr_congested, unsigned long nr_immediate,
 346                 unsigned long nr_activate, unsigned long nr_ref_keep,
 347                 unsigned long nr_unmap_fail,
 348                 int priority, int file),
 349
 350         TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback,
 351                 nr_congested, nr_immediate, nr_activate, nr_ref_keep,
 352                 nr_unmap_fail, 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 long, nr_activate)
 363                 __field(unsigned long, nr_ref_keep)
 364                 __field(unsigned long, nr_unmap_fail)
 365                 __field(int, priority)
 366                 __field(int, reclaim_flags)
 367         ),
 368
 369         TP_fast_assign(
 370                 __entry->nid = nid;
 371                 __entry->nr_scanned = nr_scanned;
 372                 __entry->nr_reclaimed = nr_reclaimed;
 373                 __entry->nr_dirty = nr_dirty;
 374                 __entry->nr_writeback = nr_writeback;
 375                 __entry->nr_congested = nr_congested;
 376                 __entry->nr_immediate = nr_immediate;
 377                 __entry->nr_activate = nr_activate;
 378                 __entry->nr_ref_keep = nr_ref_keep;
 379                 __entry->nr_unmap_fail = nr_unmap_fail;
 380                 __entry->priority = priority;
 381                 __entry->reclaim_flags = trace_shrink_flags(file);
 382         ),
 383
 384         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",
 385                 __entry->nid,
 386                 __entry->nr_scanned, __entry->nr_reclaimed,
 387                 __entry->nr_dirty, __entry->nr_writeback,
 388                 __entry->nr_congested, __entry->nr_immediate,
 389                 __entry->nr_activate, __entry->nr_ref_keep,
 390                 __entry->nr_unmap_fail, __entry->priority,
 391                 show_reclaim_flags(__entry->reclaim_flags))
 392 );
 393
 394 TRACE_EVENT(mm_vmscan_lru_shrink_active,
 395
 396         TP_PROTO(int nid, unsigned long nr_taken,
 397                 unsigned long nr_active, unsigned long nr_deactivated,
 398                 unsigned long nr_referenced, int priority, int file),
 399
 400         TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
 401
 402         TP_STRUCT__entry(
 403                 __field(int, nid)
 404                 __field(unsigned long, nr_taken)
 405                 __field(unsigned long, nr_active)
 406                 __field(unsigned long, nr_deactivated)
 407                 __field(unsigned long, nr_referenced)
 408                 __field(int, priority)
 409                 __field(int, reclaim_flags)
 410         ),
 411
 412         TP_fast_assign(
 413                 __entry->nid = nid;
 414                 __entry->nr_taken = nr_taken;
 415                 __entry->nr_active = nr_active;
 416                 __entry->nr_deactivated = nr_deactivated;
 417                 __entry->nr_referenced = nr_referenced;
 418                 __entry->priority = priority;
 419                 __entry->reclaim_flags = trace_shrink_flags(file);
 420         ),
 421
 422         TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
 423                 __entry->nid,
 424                 __entry->nr_taken,
 425                 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
 426                 __entry->priority,
 427                 show_reclaim_flags(__entry->reclaim_flags))
 428 );
 429
 430 TRACE_EVENT(mm_vmscan_inactive_list_is_low,
 431
 432         TP_PROTO(int nid, int reclaim_idx,
 433                 unsigned long total_inactive, unsigned long inactive,
 434                 unsigned long total_active, unsigned long active,
 435                 unsigned long ratio, int file),
 436
 437         TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
 438
 439         TP_STRUCT__entry(
 440                 __field(int, nid)
 441                 __field(int, reclaim_idx)
 442                 __field(unsigned long, total_inactive)
 443                 __field(unsigned long, inactive)
 444                 __field(unsigned long, total_active)
 445                 __field(unsigned long, active)
 446                 __field(unsigned long, ratio)
 447                 __field(int, reclaim_flags)
 448         ),
 449
 450         TP_fast_assign(
 451                 __entry->nid = nid;
 452                 __entry->reclaim_idx = reclaim_idx;
 453                 __entry->total_inactive = total_inactive;
 454                 __entry->inactive = inactive;
 455                 __entry->total_active = total_active;
 456                 __entry->active = active;
 457                 __entry->ratio = ratio;
 458                 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
 459         ),
 460
 461         TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
 462                 __entry->nid,
 463                 __entry->reclaim_idx,
 464                 __entry->total_inactive, __entry->inactive,
 465                 __entry->total_active, __entry->active,
 466                 __entry->ratio,
 467                 show_reclaim_flags(__entry->reclaim_flags))
 468 );
 469 #endif /* _TRACE_VMSCAN_H */
 470
 471 /* This part must be outside protection */
 472 #include <trace/define_trace.h>