instrumentation/events/lttng-module/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 TRACE_EVENT(mm_vmscan_kswapd_sleep,
   8
   9         TP_PROTO(int nid),
  10
  11         TP_ARGS(nid),
  12
  13         TP_STRUCT__entry(
  14                 __field(        int,    nid     )
  15         ),
  16
  17         TP_fast_assign(
  18                 tp_assign(nid, nid);
  19         ),
  20
  21         TP_printk("nid=%d", __entry->nid)
  22 )
  23
  24 TRACE_EVENT(mm_vmscan_kswapd_wake,
  25
  26         TP_PROTO(int nid, int order),
  27
  28         TP_ARGS(nid, order),
  29
  30         TP_STRUCT__entry(
  31                 __field(        int,    nid     )
  32                 __field(        int,    order   )
  33         ),
  34
  35         TP_fast_assign(
  36                 tp_assign(nid, nid);
  37                 tp_assign(order, order);
  38         ),
  39
  40         TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
  41 )
  42
  43 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
  44
  45         TP_PROTO(int nid, int zid, int order),
  46
  47         TP_ARGS(nid, zid, order),
  48
  49         TP_STRUCT__entry(
  50                 __field(        int,            nid     )
  51                 __field(        int,            zid     )
  52                 __field(        int,            order   )
  53         ),
  54
  55         TP_fast_assign(
  56                 tp_assign(nid, nid);
  57                 tp_assign(zid, zid);
  58                 tp_assign(order, order);
  59         ),
  60
  61         TP_printk("nid=%d zid=%d order=%d",
  62                 __entry->nid,
  63                 __entry->zid,
  64                 __entry->order)
  65 )
  66
  67 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
  68
  69         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
  70
  71         TP_ARGS(order, may_writepage, gfp_flags),
  72
  73         TP_STRUCT__entry(
  74                 __field(        int,    order           )
  75                 __field(        int,    may_writepage   )
  76                 __field(        gfp_t,  gfp_flags       )
  77         ),
  78
  79         TP_fast_assign(
  80                 tp_assign(order, order);
  81                 tp_assign(may_writepage, may_writepage);
  82                 tp_assign(gfp_flags, gfp_flags);
  83         ),
  84
  85         TP_printk("order=%d may_writepage=%d gfp_flags=%s",
  86                 __entry->order,
  87                 __entry->may_writepage,
  88                 show_gfp_flags(__entry->gfp_flags))
  89 )
  90
  91 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
  92
  93         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
  94
  95         TP_ARGS(order, may_writepage, gfp_flags)
  96 )
  97
  98 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
  99
 100         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 101
 102         TP_ARGS(order, may_writepage, gfp_flags)
 103 )
 104
 105 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 106
 107         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 108
 109         TP_ARGS(order, may_writepage, gfp_flags)
 110 )
 111
 112 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
 113
 114         TP_PROTO(unsigned long nr_reclaimed),
 115
 116         TP_ARGS(nr_reclaimed),
 117
 118         TP_STRUCT__entry(
 119                 __field(        unsigned long,  nr_reclaimed    )
 120         ),
 121
 122         TP_fast_assign(
 123                 tp_assign(nr_reclaimed, nr_reclaimed);
 124         ),
 125
 126         TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
 127 )
 128
 129 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
 130
 131         TP_PROTO(unsigned long nr_reclaimed),
 132
 133         TP_ARGS(nr_reclaimed)
 134 )
 135
 136 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 137
 138         TP_PROTO(unsigned long nr_reclaimed),
 139
 140         TP_ARGS(nr_reclaimed)
 141 )
 142
 143 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 144
 145         TP_PROTO(unsigned long nr_reclaimed),
 146
 147         TP_ARGS(nr_reclaimed)
 148 )
 149
 150 TRACE_EVENT(mm_shrink_slab_start,
 151         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 152                 long nr_objects_to_shrink, unsigned long pgs_scanned,
 153                 unsigned long lru_pgs, unsigned long cache_items,
 154                 unsigned long long delta, unsigned long total_scan),
 155
 156         TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
 157                 cache_items, delta, total_scan),
 158
 159         TP_STRUCT__entry(
 160                 __field(struct shrinker *, shr)
 161                 __field(void *, shrink)
 162                 __field(long, nr_objects_to_shrink)
 163                 __field(gfp_t, gfp_flags)
 164                 __field(unsigned long, pgs_scanned)
 165                 __field(unsigned long, lru_pgs)
 166                 __field(unsigned long, cache_items)
 167                 __field(unsigned long long, delta)
 168                 __field(unsigned long, total_scan)
 169         ),
 170
 171         TP_fast_assign(
 172                 tp_assign(shr,shr);
 173                 tp_assign(shrink, shr->shrink);
 174                 tp_assign(nr_objects_to_shrink, nr_objects_to_shrink);
 175                 tp_assign(gfp_flags, sc->gfp_mask);
 176                 tp_assign(pgs_scanned, pgs_scanned);
 177                 tp_assign(lru_pgs, lru_pgs);
 178                 tp_assign(cache_items, cache_items);
 179                 tp_assign(delta, delta);
 180                 tp_assign(total_scan, total_scan);
 181         ),
 182
 183         TP_printk("%pF %p: objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld",
 184                 __entry->shrink,
 185                 __entry->shr,
 186                 __entry->nr_objects_to_shrink,
 187                 show_gfp_flags(__entry->gfp_flags),
 188                 __entry->pgs_scanned,
 189                 __entry->lru_pgs,
 190                 __entry->cache_items,
 191                 __entry->delta,
 192                 __entry->total_scan)
 193 )
 194
 195 TRACE_EVENT(mm_shrink_slab_end,
 196         TP_PROTO(struct shrinker *shr, int shrinker_retval,
 197                 long unused_scan_cnt, long new_scan_cnt),
 198
 199         TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
 200
 201         TP_STRUCT__entry(
 202                 __field(struct shrinker *, shr)
 203                 __field(void *, shrink)
 204                 __field(long, unused_scan)
 205                 __field(long, new_scan)
 206                 __field(int, retval)
 207                 __field(long, total_scan)
 208         ),
 209
 210         TP_fast_assign(
 211                 tp_assign(shr, shr);
 212                 tp_assign(shrink, shr->shrink);
 213                 tp_assign(unused_scan, unused_scan_cnt);
 214                 tp_assign(new_scan, new_scan_cnt);
 215                 tp_assign(retval, shrinker_retval);
 216                 tp_assign(total_scan, new_scan_cnt - unused_scan_cnt);
 217         ),
 218
 219         TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 220                 __entry->shrink,
 221                 __entry->shr,
 222                 __entry->unused_scan,
 223                 __entry->new_scan,
 224                 __entry->total_scan,
 225                 __entry->retval)
 226 )
 227
 228 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 229
 230         TP_PROTO(int order,
 231                 unsigned long nr_requested,
 232                 unsigned long nr_scanned,
 233                 unsigned long nr_taken,
 234                 unsigned long nr_lumpy_taken,
 235                 unsigned long nr_lumpy_dirty,
 236                 unsigned long nr_lumpy_failed,
 237 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 238                 isolate_mode_t isolate_mode),
 239 #else
 240                 isolate_mode_t isolate_mode,
 241                 int file),
 242 #endif
 243
 244 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 245         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),
 246 #else
 247         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode, file),
 248 #endif
 249
 250         TP_STRUCT__entry(
 251                 __field(int, order)
 252                 __field(unsigned long, nr_requested)
 253                 __field(unsigned long, nr_scanned)
 254                 __field(unsigned long, nr_taken)
 255                 __field(unsigned long, nr_lumpy_taken)
 256                 __field(unsigned long, nr_lumpy_dirty)
 257                 __field(unsigned long, nr_lumpy_failed)
 258                 __field(isolate_mode_t, isolate_mode)
 259 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 260                 __field(int, file)
 261 #endif
 262         ),
 263
 264         TP_fast_assign(
 265                 tp_assign(order, order);
 266                 tp_assign(nr_requested, nr_requested);
 267                 tp_assign(nr_scanned, nr_scanned);
 268                 tp_assign(nr_taken, nr_taken);
 269                 tp_assign(nr_lumpy_taken, nr_lumpy_taken);
 270                 tp_assign(nr_lumpy_dirty, nr_lumpy_dirty);
 271                 tp_assign(nr_lumpy_failed, nr_lumpy_failed);
 272                 tp_assign(isolate_mode, isolate_mode);
 273 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 274                 tp_assign(file, file);
 275 #endif
 276         ),
 277
 278 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 279         TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
 280 #else
 281         TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu file=%d",
 282 #endif
 283                 __entry->isolate_mode,
 284                 __entry->order,
 285                 __entry->nr_requested,
 286                 __entry->nr_scanned,
 287                 __entry->nr_taken,
 288                 __entry->nr_lumpy_taken,
 289                 __entry->nr_lumpy_dirty,
 290 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 291                 __entry->nr_lumpy_failed)
 292 #else
 293                 __entry->nr_lumpy_failed,
 294                 __entry->file)
 295 #endif
 296 )
 297
 298 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
 299
 300         TP_PROTO(int order,
 301                 unsigned long nr_requested,
 302                 unsigned long nr_scanned,
 303                 unsigned long nr_taken,
 304 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 305                 unsigned long nr_lumpy_taken,
 306                 unsigned long nr_lumpy_dirty,
 307                 unsigned long nr_lumpy_failed,
 308 #endif
 309 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 310                 isolate_mode_t isolate_mode),
 311 #else
 312                 isolate_mode_t isolate_mode,
 313                 int file),
 314 #endif
 315
 316 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 317         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
 318 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 319         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode, file)
 320 #else
 321         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
 322 #endif
 323
 324 )
 325
 326 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
 327
 328         TP_PROTO(int order,
 329                 unsigned long nr_requested,
 330                 unsigned long nr_scanned,
 331                 unsigned long nr_taken,
 332 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 333                 unsigned long nr_lumpy_taken,
 334                 unsigned long nr_lumpy_dirty,
 335                 unsigned long nr_lumpy_failed,
 336 #endif
 337 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 338                 isolate_mode_t isolate_mode),
 339 #else
 340                 isolate_mode_t isolate_mode,
 341                 int file),
 342 #endif
 343
 344 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 345         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
 346 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 347         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode, file)
 348 #else
 349         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
 350 #endif
 351
 352 )
 353
 354 TRACE_EVENT(mm_vmscan_writepage,
 355
 356         TP_PROTO(struct page *page,
 357                 int reclaim_flags),
 358
 359         TP_ARGS(page, reclaim_flags),
 360
 361         TP_STRUCT__entry(
 362                 __field(struct page *, page)
 363                 __field(int, reclaim_flags)
 364         ),
 365
 366         TP_fast_assign(
 367                 tp_assign(page, page);
 368                 tp_assign(reclaim_flags, reclaim_flags);
 369         ),
 370
 371         TP_printk("page=%p pfn=%lu flags=%s",
 372                 __entry->page,
 373                 page_to_pfn(__entry->page),
 374                 show_reclaim_flags(__entry->reclaim_flags))
 375 )
 376
 377 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 378
 379         TP_PROTO(int nid, int zid,
 380                         unsigned long nr_scanned, unsigned long nr_reclaimed,
 381                         int priority, int reclaim_flags),
 382
 383         TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
 384
 385         TP_STRUCT__entry(
 386                 __field(int, nid)
 387                 __field(int, zid)
 388                 __field(unsigned long, nr_scanned)
 389                 __field(unsigned long, nr_reclaimed)
 390                 __field(int, priority)
 391                 __field(int, reclaim_flags)
 392         ),
 393
 394         TP_fast_assign(
 395                 tp_assign(nid, nid);
 396                 tp_assign(zid, zid);
 397                 tp_assign(nr_scanned, nr_scanned);
 398                 tp_assign(nr_reclaimed, nr_reclaimed);
 399                 tp_assign(priority, priority);
 400                 tp_assign(reclaim_flags, reclaim_flags);
 401         ),
 402
 403         TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
 404                 __entry->nid, __entry->zid,
 405                 __entry->nr_scanned, __entry->nr_reclaimed,
 406                 __entry->priority,
 407                 show_reclaim_flags(__entry->reclaim_flags))
 408 )
 409
 410 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 411
 412 TRACE_EVENT(replace_swap_token,
 413         TP_PROTO(struct mm_struct *old_mm,
 414                  struct mm_struct *new_mm),
 415
 416         TP_ARGS(old_mm, new_mm),
 417
 418         TP_STRUCT__entry(
 419                 __field(struct mm_struct*,      old_mm)
 420                 __field(unsigned int,           old_prio)
 421                 __field(struct mm_struct*,      new_mm)
 422                 __field(unsigned int,           new_prio)
 423         ),
 424
 425         TP_fast_assign(
 426                 tp_assign(old_mm, old_mm);
 427                 tp_assign(old_prio, old_mm ? old_mm->token_priority : 0);
 428                 tp_assign(new_mm, new_mm);
 429                 tp_assign(new_prio, new_mm->token_priority);
 430         ),
 431
 432         TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
 433                   __entry->old_mm, __entry->old_prio,
 434                   __entry->new_mm, __entry->new_prio)
 435 )
 436
 437 DECLARE_EVENT_CLASS(put_swap_token_template,
 438         TP_PROTO(struct mm_struct *swap_token_mm),
 439
 440         TP_ARGS(swap_token_mm),
 441
 442         TP_STRUCT__entry(
 443                 __field(struct mm_struct*, swap_token_mm)
 444         ),
 445
 446         TP_fast_assign(
 447                 tp_assign(swap_token_mm, swap_token_mm);
 448         ),
 449
 450         TP_printk("token_mm=%p", __entry->swap_token_mm)
 451 )
 452
 453 DEFINE_EVENT(put_swap_token_template, put_swap_token,
 454         TP_PROTO(struct mm_struct *swap_token_mm),
 455         TP_ARGS(swap_token_mm)
 456 )
 457
 458 DEFINE_EVENT_CONDITION(put_swap_token_template, disable_swap_token,
 459         TP_PROTO(struct mm_struct *swap_token_mm),
 460         TP_ARGS(swap_token_mm),
 461         TP_CONDITION(swap_token_mm != NULL)
 462 )
 463
 464 TRACE_EVENT_CONDITION(update_swap_token_priority,
 465         TP_PROTO(struct mm_struct *mm,
 466                  unsigned int old_prio,
 467                  struct mm_struct *swap_token_mm),
 468
 469         TP_ARGS(mm, old_prio, swap_token_mm),
 470
 471         TP_CONDITION(mm->token_priority != old_prio),
 472
 473         TP_STRUCT__entry(
 474                 __field(struct mm_struct*, mm)
 475                 __field(unsigned int, old_prio)
 476                 __field(unsigned int, new_prio)
 477                 __field(struct mm_struct*, swap_token_mm)
 478                 __field(unsigned int, swap_token_prio)
 479         ),
 480
 481         TP_fast_assign(
 482                 tp_assign(mm, mm);
 483                 tp_assign(old_prio, old_prio);
 484                 tp_assign(new_prio, mm->token_priority);
 485                 tp_assign(swap_token_mm, swap_token_mm);
 486                 tp_assign(swap_token_prio, swap_token_mm ? swap_token_mm->token_priority : 0);
 487         ),
 488
 489         TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
 490                   __entry->mm, __entry->old_prio, __entry->new_prio,
 491                   __entry->swap_token_mm, __entry->swap_token_prio)
 492 )
 493
 494 #endif
 495
 496 #endif /* _TRACE_VMSCAN_H */
 497
 498 /* This part must be outside protection */
 499 #include "../../../probes/define_trace.h"