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(file) ( \
  31         (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
  32         (RECLAIM_WB_ASYNC) \
  33         )
  34
  35 TRACE_EVENT(mm_vmscan_kswapd_sleep,
  36
  37         TP_PROTO(int nid),
  38
  39         TP_ARGS(nid),
  40
  41         TP_STRUCT__entry(
  42                 __field(        int,    nid     )
  43         ),
  44
  45         TP_fast_assign(
  46                 __entry->nid    = nid;
  47         ),
  48
  49         TP_printk("nid=%d", __entry->nid)
  50 );
  51
  52 TRACE_EVENT(mm_vmscan_kswapd_wake,
  53
  54         TP_PROTO(int nid, int zid, int order),
  55
  56         TP_ARGS(nid, zid, order),
  57
  58         TP_STRUCT__entry(
  59                 __field(        int,    nid     )
  60                 __field(        int,    zid     )
  61                 __field(        int,    order   )
  62         ),
  63
  64         TP_fast_assign(
  65                 __entry->nid    = nid;
  66                 __entry->zid    = zid;
  67                 __entry->order  = order;
  68         ),
  69
  70         TP_printk("nid=%d order=%d",
  71                 __entry->nid,
  72                 __entry->order)
  73 );
  74
  75 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
  76
  77         TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags),
  78
  79         TP_ARGS(nid, zid, order, gfp_flags),
  80
  81         TP_STRUCT__entry(
  82                 __field(        int,    nid             )
  83                 __field(        int,    zid             )
  84                 __field(        int,    order           )
  85                 __field(        gfp_t,  gfp_flags       )
  86         ),
  87
  88         TP_fast_assign(
  89                 __entry->nid            = nid;
  90                 __entry->zid            = zid;
  91                 __entry->order          = order;
  92                 __entry->gfp_flags      = gfp_flags;
  93         ),
  94
  95         TP_printk("nid=%d order=%d gfp_flags=%s",
  96                 __entry->nid,
  97                 __entry->order,
  98                 show_gfp_flags(__entry->gfp_flags))
  99 );
 100
 101 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
 102
 103         TP_PROTO(int order, gfp_t gfp_flags),
 104
 105         TP_ARGS(order, gfp_flags),
 106
 107         TP_STRUCT__entry(
 108                 __field(        int,    order           )
 109                 __field(        gfp_t,  gfp_flags       )
 110         ),
 111
 112         TP_fast_assign(
 113                 __entry->order          = order;
 114                 __entry->gfp_flags      = gfp_flags;
 115         ),
 116
 117         TP_printk("order=%d gfp_flags=%s",
 118                 __entry->order,
 119                 show_gfp_flags(__entry->gfp_flags))
 120 );
 121
 122 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
 123
 124         TP_PROTO(int order, gfp_t gfp_flags),
 125
 126         TP_ARGS(order, gfp_flags)
 127 );
 128
 129 #ifdef CONFIG_MEMCG
 130 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
 131
 132         TP_PROTO(int order, gfp_t gfp_flags),
 133
 134         TP_ARGS(order, gfp_flags)
 135 );
 136
 137 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 138
 139         TP_PROTO(int order, gfp_t gfp_flags),
 140
 141         TP_ARGS(order, gfp_flags)
 142 );
 143 #endif /* CONFIG_MEMCG */
 144
 145 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
 146
 147         TP_PROTO(unsigned long nr_reclaimed),
 148
 149         TP_ARGS(nr_reclaimed),
 150
 151         TP_STRUCT__entry(
 152                 __field(        unsigned long,  nr_reclaimed    )
 153         ),
 154
 155         TP_fast_assign(
 156                 __entry->nr_reclaimed   = nr_reclaimed;
 157         ),
 158
 159         TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
 160 );
 161
 162 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
 163
 164         TP_PROTO(unsigned long nr_reclaimed),
 165
 166         TP_ARGS(nr_reclaimed)
 167 );
 168
 169 #ifdef CONFIG_MEMCG
 170 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 171
 172         TP_PROTO(unsigned long nr_reclaimed),
 173
 174         TP_ARGS(nr_reclaimed)
 175 );
 176
 177 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 178
 179         TP_PROTO(unsigned long nr_reclaimed),
 180
 181         TP_ARGS(nr_reclaimed)
 182 );
 183 #endif /* CONFIG_MEMCG */
 184
 185 TRACE_EVENT(mm_shrink_slab_start,
 186         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 187                 long nr_objects_to_shrink, unsigned long cache_items,
 188                 unsigned long long delta, unsigned long total_scan,
 189                 int priority),
 190
 191         TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
 192                 priority),
 193
 194         TP_STRUCT__entry(
 195                 __field(struct shrinker *, shr)
 196                 __field(void *, shrink)
 197                 __field(int, nid)
 198                 __field(long, nr_objects_to_shrink)
 199                 __field(gfp_t, gfp_flags)
 200                 __field(unsigned long, cache_items)
 201                 __field(unsigned long long, delta)
 202                 __field(unsigned long, total_scan)
 203                 __field(int, priority)
 204         ),
 205
 206         TP_fast_assign(
 207                 __entry->shr = shr;
 208                 __entry->shrink = shr->scan_objects;
 209                 __entry->nid = sc->nid;
 210                 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
 211                 __entry->gfp_flags = sc->gfp_mask;
 212                 __entry->cache_items = cache_items;
 213                 __entry->delta = delta;
 214                 __entry->total_scan = total_scan;
 215                 __entry->priority = priority;
 216         ),
 217
 218         TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
 219                 __entry->shrink,
 220                 __entry->shr,
 221                 __entry->nid,
 222                 __entry->nr_objects_to_shrink,
 223                 show_gfp_flags(__entry->gfp_flags),
 224                 __entry->cache_items,
 225                 __entry->delta,
 226                 __entry->total_scan,
 227                 __entry->priority)
 228 );
 229
 230 TRACE_EVENT(mm_shrink_slab_end,
 231         TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
 232                 long unused_scan_cnt, long new_scan_cnt, long total_scan),
 233
 234         TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
 235                 total_scan),
 236
 237         TP_STRUCT__entry(
 238                 __field(struct shrinker *, shr)
 239                 __field(int, nid)
 240                 __field(void *, shrink)
 241                 __field(long, unused_scan)
 242                 __field(long, new_scan)
 243                 __field(int, retval)
 244                 __field(long, total_scan)
 245         ),
 246
 247         TP_fast_assign(
 248                 __entry->shr = shr;
 249                 __entry->nid = nid;
 250                 __entry->shrink = shr->scan_objects;
 251                 __entry->unused_scan = unused_scan_cnt;
 252                 __entry->new_scan = new_scan_cnt;
 253                 __entry->retval = shrinker_retval;
 254                 __entry->total_scan = total_scan;
 255         ),
 256
 257         TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 258                 __entry->shrink,
 259                 __entry->shr,
 260                 __entry->nid,
 261                 __entry->unused_scan,
 262                 __entry->new_scan,
 263                 __entry->total_scan,
 264                 __entry->retval)
 265 );
 266
 267 TRACE_EVENT(mm_vmscan_lru_isolate,
 268         TP_PROTO(int highest_zoneidx,
 269                 int order,
 270                 unsigned long nr_requested,
 271                 unsigned long nr_scanned,
 272                 unsigned long nr_skipped,
 273                 unsigned long nr_taken,
 274                 isolate_mode_t isolate_mode,
 275                 int lru),
 276
 277         TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
 278
 279         TP_STRUCT__entry(
 280                 __field(int, highest_zoneidx)
 281                 __field(int, order)
 282                 __field(unsigned long, nr_requested)
 283                 __field(unsigned long, nr_scanned)
 284                 __field(unsigned long, nr_skipped)
 285                 __field(unsigned long, nr_taken)
 286                 __field(isolate_mode_t, isolate_mode)
 287                 __field(int, lru)
 288         ),
 289
 290         TP_fast_assign(
 291                 __entry->highest_zoneidx = highest_zoneidx;
 292                 __entry->order = order;
 293                 __entry->nr_requested = nr_requested;
 294                 __entry->nr_scanned = nr_scanned;
 295                 __entry->nr_skipped = nr_skipped;
 296                 __entry->nr_taken = nr_taken;
 297                 __entry->isolate_mode = isolate_mode;
 298                 __entry->lru = lru;
 299         ),
 300
 301         /*
 302          * classzone is previous name of the highest_zoneidx.
 303          * Reason not to change it is the ABI requirement of the tracepoint.
 304          */
 305         TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
 306                 __entry->isolate_mode,
 307                 __entry->highest_zoneidx,
 308                 __entry->order,
 309                 __entry->nr_requested,
 310                 __entry->nr_scanned,
 311                 __entry->nr_skipped,
 312                 __entry->nr_taken,
 313                 __print_symbolic(__entry->lru, LRU_NAMES))
 314 );
 315
 316 TRACE_EVENT(mm_vmscan_writepage,
 317
 318         TP_PROTO(struct page *page),
 319
 320         TP_ARGS(page),
 321
 322         TP_STRUCT__entry(
 323                 __field(unsigned long, pfn)
 324                 __field(int, reclaim_flags)
 325         ),
 326
 327         TP_fast_assign(
 328                 __entry->pfn = page_to_pfn(page);
 329                 __entry->reclaim_flags = trace_reclaim_flags(
 330                                                 page_is_file_lru(page));
 331         ),
 332
 333         TP_printk("page=%p pfn=0x%lx flags=%s",
 334                 pfn_to_page(__entry->pfn),
 335                 __entry->pfn,
 336                 show_reclaim_flags(__entry->reclaim_flags))
 337 );
 338
 339 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 340
 341         TP_PROTO(int nid,
 342                 unsigned long nr_scanned, unsigned long nr_reclaimed,
 343                 struct reclaim_stat *stat, int priority, int file),
 344
 345         TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),
 346
 347         TP_STRUCT__entry(
 348                 __field(int, nid)
 349                 __field(unsigned long, nr_scanned)
 350                 __field(unsigned long, nr_reclaimed)
 351                 __field(unsigned long, nr_dirty)
 352                 __field(unsigned long, nr_writeback)
 353                 __field(unsigned long, nr_congested)
 354                 __field(unsigned long, nr_immediate)
 355                 __field(unsigned int, nr_activate0)
 356                 __field(unsigned int, nr_activate1)
 357                 __field(unsigned long, nr_ref_keep)
 358                 __field(unsigned long, nr_unmap_fail)
 359                 __field(int, priority)
 360                 __field(int, reclaim_flags)
 361         ),
 362
 363         TP_fast_assign(
 364                 __entry->nid = nid;
 365                 __entry->nr_scanned = nr_scanned;
 366                 __entry->nr_reclaimed = nr_reclaimed;
 367                 __entry->nr_dirty = stat->nr_dirty;
 368                 __entry->nr_writeback = stat->nr_writeback;
 369                 __entry->nr_congested = stat->nr_congested;
 370                 __entry->nr_immediate = stat->nr_immediate;
 371                 __entry->nr_activate0 = stat->nr_activate[0];
 372                 __entry->nr_activate1 = stat->nr_activate[1];
 373                 __entry->nr_ref_keep = stat->nr_ref_keep;
 374                 __entry->nr_unmap_fail = stat->nr_unmap_fail;
 375                 __entry->priority = priority;
 376                 __entry->reclaim_flags = trace_reclaim_flags(file);
 377         ),
 378
 379         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",
 380                 __entry->nid,
 381                 __entry->nr_scanned, __entry->nr_reclaimed,
 382                 __entry->nr_dirty, __entry->nr_writeback,
 383                 __entry->nr_congested, __entry->nr_immediate,
 384                 __entry->nr_activate0, __entry->nr_activate1,
 385                 __entry->nr_ref_keep, __entry->nr_unmap_fail,
 386                 __entry->priority,
 387                 show_reclaim_flags(__entry->reclaim_flags))
 388 );
 389
 390 TRACE_EVENT(mm_vmscan_lru_shrink_active,
 391
 392         TP_PROTO(int nid, unsigned long nr_taken,
 393                 unsigned long nr_active, unsigned long nr_deactivated,
 394                 unsigned long nr_referenced, int priority, int file),
 395
 396         TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
 397
 398         TP_STRUCT__entry(
 399                 __field(int, nid)
 400                 __field(unsigned long, nr_taken)
 401                 __field(unsigned long, nr_active)
 402                 __field(unsigned long, nr_deactivated)
 403                 __field(unsigned long, nr_referenced)
 404                 __field(int, priority)
 405                 __field(int, reclaim_flags)
 406         ),
 407
 408         TP_fast_assign(
 409                 __entry->nid = nid;
 410                 __entry->nr_taken = nr_taken;
 411                 __entry->nr_active = nr_active;
 412                 __entry->nr_deactivated = nr_deactivated;
 413                 __entry->nr_referenced = nr_referenced;
 414                 __entry->priority = priority;
 415                 __entry->reclaim_flags = trace_reclaim_flags(file);
 416         ),
 417
 418         TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
 419                 __entry->nid,
 420                 __entry->nr_taken,
 421                 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
 422                 __entry->priority,
 423                 show_reclaim_flags(__entry->reclaim_flags))
 424 );
 425
 426 TRACE_EVENT(mm_vmscan_node_reclaim_begin,
 427
 428         TP_PROTO(int nid, int order, gfp_t gfp_flags),
 429
 430         TP_ARGS(nid, order, gfp_flags),
 431
 432         TP_STRUCT__entry(
 433                 __field(int, nid)
 434                 __field(int, order)
 435                 __field(gfp_t, gfp_flags)
 436         ),
 437
 438         TP_fast_assign(
 439                 __entry->nid = nid;
 440                 __entry->order = order;
 441                 __entry->gfp_flags = gfp_flags;
 442         ),
 443
 444         TP_printk("nid=%d order=%d gfp_flags=%s",
 445                 __entry->nid,
 446                 __entry->order,
 447                 show_gfp_flags(__entry->gfp_flags))
 448 );
 449
 450 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
 451
 452         TP_PROTO(unsigned long nr_reclaimed),
 453
 454         TP_ARGS(nr_reclaimed)
 455 );
 456
 457 #endif /* _TRACE_VMSCAN_H */
 458
 459 /* This part must be outside protection */
 460 #include <trace/define_trace.h>