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 #include <linux/types.h>
   8 #include <linux/tracepoint.h>
   9 #include <linux/mm.h>
  10 #include <linux/memcontrol.h>
  11 #include <trace/events/gfpflags.h>
  12 #include <linux/version.h>
  13
  14 #ifndef _TRACE_VMSCAN_DEF
  15 #define _TRACE_VMSCAN_DEF
  16 #define RECLAIM_WB_ANON         0x0001u
  17 #define RECLAIM_WB_FILE         0x0002u
  18 #define RECLAIM_WB_MIXED        0x0010u
  19 #define RECLAIM_WB_SYNC         0x0004u /* Unused, all reclaim async */
  20 #define RECLAIM_WB_ASYNC        0x0008u
  21
  22 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
  23 #define show_reclaim_flags(flags)                               \
  24         (flags) ? __print_flags(flags, "|",                     \
  25                 {RECLAIM_WB_ANON,       "RECLAIM_WB_ANON"},     \
  26                 {RECLAIM_WB_FILE,       "RECLAIM_WB_FILE"},     \
  27                 {RECLAIM_WB_MIXED,      "RECLAIM_WB_MIXED"},    \
  28                 {RECLAIM_WB_SYNC,       "RECLAIM_WB_SYNC"},     \
  29                 {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
  30                 ) : "RECLAIM_WB_NONE"
  31 #else
  32 #define show_reclaim_flags(flags)                               \
  33         (flags) ? __print_flags(flags, "|",                     \
  34                 {RECLAIM_WB_ANON,       "RECLAIM_WB_ANON"},     \
  35                 {RECLAIM_WB_FILE,       "RECLAIM_WB_FILE"},     \
  36                 {RECLAIM_WB_SYNC,       "RECLAIM_WB_SYNC"},     \
  37                 {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
  38                 ) : "RECLAIM_WB_NONE"
  39 #endif
  40
  41 #if ((LINUX_VERSION_CODE <= KERNEL_VERSION(3,0,38)) || \
  42         LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
  43 typedef int isolate_mode_t;
  44 #endif
  45
  46 #endif
  47
  48 TRACE_EVENT(mm_vmscan_kswapd_sleep,
  49
  50         TP_PROTO(int nid),
  51
  52         TP_ARGS(nid),
  53
  54         TP_STRUCT__entry(
  55                 __field(        int,    nid     )
  56         ),
  57
  58         TP_fast_assign(
  59                 tp_assign(nid, nid)
  60         ),
  61
  62         TP_printk("nid=%d", __entry->nid)
  63 )
  64
  65 TRACE_EVENT(mm_vmscan_kswapd_wake,
  66
  67         TP_PROTO(int nid, int order),
  68
  69         TP_ARGS(nid, order),
  70
  71         TP_STRUCT__entry(
  72                 __field(        int,    nid     )
  73                 __field(        int,    order   )
  74         ),
  75
  76         TP_fast_assign(
  77                 tp_assign(nid, nid)
  78                 tp_assign(order, order)
  79         ),
  80
  81         TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
  82 )
  83
  84 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
  85
  86         TP_PROTO(int nid, int zid, int order),
  87
  88         TP_ARGS(nid, zid, order),
  89
  90         TP_STRUCT__entry(
  91                 __field(        int,            nid     )
  92                 __field(        int,            zid     )
  93                 __field(        int,            order   )
  94         ),
  95
  96         TP_fast_assign(
  97                 tp_assign(nid, nid)
  98                 tp_assign(zid, zid)
  99                 tp_assign(order, order)
 100         ),
 101
 102         TP_printk("nid=%d zid=%d order=%d",
 103                 __entry->nid,
 104                 __entry->zid,
 105                 __entry->order)
 106 )
 107
 108 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
 109
 110         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 111
 112         TP_ARGS(order, may_writepage, gfp_flags),
 113
 114         TP_STRUCT__entry(
 115                 __field(        int,    order           )
 116                 __field(        int,    may_writepage   )
 117                 __field(        gfp_t,  gfp_flags       )
 118         ),
 119
 120         TP_fast_assign(
 121                 tp_assign(order, order)
 122                 tp_assign(may_writepage, may_writepage)
 123                 tp_assign(gfp_flags, gfp_flags)
 124         ),
 125
 126         TP_printk("order=%d may_writepage=%d gfp_flags=%s",
 127                 __entry->order,
 128                 __entry->may_writepage,
 129                 show_gfp_flags(__entry->gfp_flags))
 130 )
 131
 132 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
 133
 134         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 135
 136         TP_ARGS(order, may_writepage, gfp_flags)
 137 )
 138
 139 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
 140
 141         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 142
 143         TP_ARGS(order, may_writepage, gfp_flags)
 144 )
 145
 146 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 147
 148         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 149
 150         TP_ARGS(order, may_writepage, gfp_flags)
 151 )
 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                 tp_assign(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 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 178
 179         TP_PROTO(unsigned long nr_reclaimed),
 180
 181         TP_ARGS(nr_reclaimed)
 182 )
 183
 184 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 185
 186         TP_PROTO(unsigned long nr_reclaimed),
 187
 188         TP_ARGS(nr_reclaimed)
 189 )
 190
 191 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
 192 TRACE_EVENT(mm_shrink_slab_start,
 193         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 194                 long nr_objects_to_shrink, unsigned long pgs_scanned,
 195                 unsigned long lru_pgs, unsigned long cache_items,
 196                 unsigned long long delta, unsigned long total_scan),
 197
 198         TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
 199                 cache_items, delta, total_scan),
 200
 201         TP_STRUCT__entry(
 202                 __field(struct shrinker *, shr)
 203                 __field(void *, shrink)
 204                 __field(long, nr_objects_to_shrink)
 205                 __field(gfp_t, gfp_flags)
 206                 __field(unsigned long, pgs_scanned)
 207                 __field(unsigned long, lru_pgs)
 208                 __field(unsigned long, cache_items)
 209                 __field(unsigned long long, delta)
 210                 __field(unsigned long, total_scan)
 211         ),
 212
 213         TP_fast_assign(
 214                 tp_assign(shr,shr)
 215                 tp_assign(shrink, shr->shrink)
 216                 tp_assign(nr_objects_to_shrink, nr_objects_to_shrink)
 217                 tp_assign(gfp_flags, sc->gfp_mask)
 218                 tp_assign(pgs_scanned, pgs_scanned)
 219                 tp_assign(lru_pgs, lru_pgs)
 220                 tp_assign(cache_items, cache_items)
 221                 tp_assign(delta, delta)
 222                 tp_assign(total_scan, total_scan)
 223         ),
 224
 225         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",
 226                 __entry->shrink,
 227                 __entry->shr,
 228                 __entry->nr_objects_to_shrink,
 229                 show_gfp_flags(__entry->gfp_flags),
 230                 __entry->pgs_scanned,
 231                 __entry->lru_pgs,
 232                 __entry->cache_items,
 233                 __entry->delta,
 234                 __entry->total_scan)
 235 )
 236
 237 TRACE_EVENT(mm_shrink_slab_end,
 238         TP_PROTO(struct shrinker *shr, int shrinker_retval,
 239                 long unused_scan_cnt, long new_scan_cnt),
 240
 241         TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
 242
 243         TP_STRUCT__entry(
 244                 __field(struct shrinker *, shr)
 245                 __field(void *, shrink)
 246                 __field(long, unused_scan)
 247                 __field(long, new_scan)
 248                 __field(int, retval)
 249                 __field(long, total_scan)
 250         ),
 251
 252         TP_fast_assign(
 253                 tp_assign(shr, shr)
 254                 tp_assign(shrink, shr->shrink)
 255                 tp_assign(unused_scan, unused_scan_cnt)
 256                 tp_assign(new_scan, new_scan_cnt)
 257                 tp_assign(retval, shrinker_retval)
 258                 tp_assign(total_scan, new_scan_cnt - unused_scan_cnt)
 259         ),
 260
 261         TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 262                 __entry->shrink,
 263                 __entry->shr,
 264                 __entry->unused_scan,
 265                 __entry->new_scan,
 266                 __entry->total_scan,
 267                 __entry->retval)
 268 )
 269 #endif
 270
 271 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 272
 273         TP_PROTO(int order,
 274                 unsigned long nr_requested,
 275                 unsigned long nr_scanned,
 276                 unsigned long nr_taken,
 277 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 278                 unsigned long nr_lumpy_taken,
 279                 unsigned long nr_lumpy_dirty,
 280                 unsigned long nr_lumpy_failed,
 281 #endif
 282 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 283                 isolate_mode_t isolate_mode
 284 #else
 285                 isolate_mode_t isolate_mode,
 286                 int file
 287 #endif
 288         ),
 289
 290         TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
 291 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 292                 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
 293 #endif
 294 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 295                 isolate_mode
 296 #else
 297                 isolate_mode, file
 298 #endif
 299         ),
 300
 301
 302         TP_STRUCT__entry(
 303                 __field(int, order)
 304                 __field(unsigned long, nr_requested)
 305                 __field(unsigned long, nr_scanned)
 306                 __field(unsigned long, nr_taken)
 307 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 308                 __field(unsigned long, nr_lumpy_taken)
 309                 __field(unsigned long, nr_lumpy_dirty)
 310                 __field(unsigned long, nr_lumpy_failed)
 311 #endif
 312                 __field(isolate_mode_t, isolate_mode)
 313 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 314                 __field(int, file)
 315 #endif
 316         ),
 317
 318         TP_fast_assign(
 319                 tp_assign(order, order)
 320                 tp_assign(nr_requested, nr_requested)
 321                 tp_assign(nr_scanned, nr_scanned)
 322                 tp_assign(nr_taken, nr_taken)
 323 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 324                 tp_assign(nr_lumpy_taken, nr_lumpy_taken)
 325                 tp_assign(nr_lumpy_dirty, nr_lumpy_dirty)
 326                 tp_assign(nr_lumpy_failed, nr_lumpy_failed)
 327 #endif
 328                 tp_assign(isolate_mode, isolate_mode)
 329 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 330                 tp_assign(file, file)
 331 #endif
 332         ),
 333
 334 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 335         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",
 336                 __entry->isolate_mode,
 337                 __entry->order,
 338                 __entry->nr_requested,
 339                 __entry->nr_scanned,
 340                 __entry->nr_taken,
 341                 __entry->nr_lumpy_taken,
 342                 __entry->nr_lumpy_dirty,
 343                 __entry->nr_lumpy_failed)
 344 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 345         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",
 346                 __entry->isolate_mode,
 347                 __entry->order,
 348                 __entry->nr_requested,
 349                 __entry->nr_scanned,
 350                 __entry->nr_taken,
 351                 __entry->nr_lumpy_taken,
 352                 __entry->nr_lumpy_dirty,
 353                 __entry->nr_lumpy_failed,
 354                 __entry->file)
 355 #else
 356         TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
 357                 __entry->isolate_mode,
 358                 __entry->order,
 359                 __entry->nr_requested,
 360                 __entry->nr_scanned,
 361                 __entry->nr_taken,
 362                 __entry->file)
 363 #endif
 364 )
 365
 366 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
 367
 368         TP_PROTO(int order,
 369                 unsigned long nr_requested,
 370                 unsigned long nr_scanned,
 371                 unsigned long nr_taken,
 372 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 373                 unsigned long nr_lumpy_taken,
 374                 unsigned long nr_lumpy_dirty,
 375                 unsigned long nr_lumpy_failed,
 376 #endif
 377 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 378                 isolate_mode_t isolate_mode
 379 #else
 380                 isolate_mode_t isolate_mode,
 381                 int file
 382 #endif
 383         ),
 384
 385         TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
 386 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 387                 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
 388 #endif
 389 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 390                 isolate_mode
 391 #else
 392                 isolate_mode, file
 393 #endif
 394         )
 395
 396 )
 397
 398 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
 399
 400         TP_PROTO(int order,
 401                 unsigned long nr_requested,
 402                 unsigned long nr_scanned,
 403                 unsigned long nr_taken,
 404 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 405                 unsigned long nr_lumpy_taken,
 406                 unsigned long nr_lumpy_dirty,
 407                 unsigned long nr_lumpy_failed,
 408 #endif
 409 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 410                 isolate_mode_t isolate_mode
 411 #else
 412                 isolate_mode_t isolate_mode,
 413                 int file
 414 #endif
 415         ),
 416
 417         TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
 418 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 419                 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
 420 #endif
 421 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 422                 isolate_mode
 423 #else
 424                 isolate_mode, file
 425 #endif
 426         )
 427 )
 428
 429 TRACE_EVENT(mm_vmscan_writepage,
 430
 431         TP_PROTO(struct page *page,
 432                 int reclaim_flags),
 433
 434         TP_ARGS(page, reclaim_flags),
 435
 436         TP_STRUCT__entry(
 437                 __field(struct page *, page)
 438                 __field(int, reclaim_flags)
 439         ),
 440
 441         TP_fast_assign(
 442                 tp_assign(page, page)
 443                 tp_assign(reclaim_flags, reclaim_flags)
 444         ),
 445
 446         TP_printk("page=%p pfn=%lu flags=%s",
 447                 __entry->page,
 448                 page_to_pfn(__entry->page),
 449                 show_reclaim_flags(__entry->reclaim_flags))
 450 )
 451
 452 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 453 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 454
 455         TP_PROTO(int nid, int zid,
 456                         unsigned long nr_scanned, unsigned long nr_reclaimed,
 457                         int priority, int reclaim_flags),
 458
 459         TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
 460
 461         TP_STRUCT__entry(
 462                 __field(int, nid)
 463                 __field(int, zid)
 464                 __field(unsigned long, nr_scanned)
 465                 __field(unsigned long, nr_reclaimed)
 466                 __field(int, priority)
 467                 __field(int, reclaim_flags)
 468         ),
 469
 470         TP_fast_assign(
 471                 tp_assign(nid, nid)
 472                 tp_assign(zid, zid)
 473                 tp_assign(nr_scanned, nr_scanned)
 474                 tp_assign(nr_reclaimed, nr_reclaimed)
 475                 tp_assign(priority, priority)
 476                 tp_assign(reclaim_flags, reclaim_flags)
 477         ),
 478
 479         TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
 480                 __entry->nid, __entry->zid,
 481                 __entry->nr_scanned, __entry->nr_reclaimed,
 482                 __entry->priority,
 483                 show_reclaim_flags(__entry->reclaim_flags))
 484 )
 485 #endif
 486
 487 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 488 TRACE_EVENT_MAP(replace_swap_token,
 489
 490         mm_vmscan_replace_swap_token,
 491
 492         TP_PROTO(struct mm_struct *old_mm,
 493                  struct mm_struct *new_mm),
 494
 495         TP_ARGS(old_mm, new_mm),
 496
 497         TP_STRUCT__entry(
 498                 __field(struct mm_struct*,      old_mm)
 499                 __field(unsigned int,           old_prio)
 500                 __field(struct mm_struct*,      new_mm)
 501                 __field(unsigned int,           new_prio)
 502         ),
 503
 504         TP_fast_assign(
 505                 tp_assign(old_mm, old_mm)
 506                 tp_assign(old_prio, old_mm ? old_mm->token_priority : 0)
 507                 tp_assign(new_mm, new_mm)
 508                 tp_assign(new_prio, new_mm->token_priority)
 509         ),
 510
 511         TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
 512                   __entry->old_mm, __entry->old_prio,
 513                   __entry->new_mm, __entry->new_prio)
 514 )
 515
 516 DECLARE_EVENT_CLASS(mm_vmscan_put_swap_token_template,
 517         TP_PROTO(struct mm_struct *swap_token_mm),
 518
 519         TP_ARGS(swap_token_mm),
 520
 521         TP_STRUCT__entry(
 522                 __field(struct mm_struct*, swap_token_mm)
 523         ),
 524
 525         TP_fast_assign(
 526                 tp_assign(swap_token_mm, swap_token_mm)
 527         ),
 528
 529         TP_printk("token_mm=%p", __entry->swap_token_mm)
 530 )
 531
 532 DEFINE_EVENT_MAP(mm_vmscan_put_swap_token_template, put_swap_token,
 533
 534         mm_vmscan_put_swap_token,
 535
 536         TP_PROTO(struct mm_struct *swap_token_mm),
 537         TP_ARGS(swap_token_mm)
 538 )
 539
 540 DEFINE_EVENT_CONDITION_MAP(mm_vmscan_put_swap_token_template, disable_swap_token,
 541
 542         mm_vmscan_disable_swap_token,
 543
 544         TP_PROTO(struct mm_struct *swap_token_mm),
 545         TP_ARGS(swap_token_mm),
 546         TP_CONDITION(swap_token_mm != NULL)
 547 )
 548
 549 TRACE_EVENT_CONDITION_MAP(update_swap_token_priority,
 550
 551         mm_vmscan_update_swap_token_priority,
 552
 553         TP_PROTO(struct mm_struct *mm,
 554                  unsigned int old_prio,
 555                  struct mm_struct *swap_token_mm),
 556
 557         TP_ARGS(mm, old_prio, swap_token_mm),
 558
 559         TP_CONDITION(mm->token_priority != old_prio),
 560
 561         TP_STRUCT__entry(
 562                 __field(struct mm_struct*, mm)
 563                 __field(unsigned int, old_prio)
 564                 __field(unsigned int, new_prio)
 565                 __field(struct mm_struct*, swap_token_mm)
 566                 __field(unsigned int, swap_token_prio)
 567         ),
 568
 569         TP_fast_assign(
 570                 tp_assign(mm, mm)
 571                 tp_assign(old_prio, old_prio)
 572                 tp_assign(new_prio, mm->token_priority)
 573                 tp_assign(swap_token_mm, swap_token_mm)
 574                 tp_assign(swap_token_prio, swap_token_mm ? swap_token_mm->token_priority : 0)
 575         ),
 576
 577         TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
 578                   __entry->mm, __entry->old_prio, __entry->new_prio,
 579                   __entry->swap_token_mm, __entry->swap_token_prio)
 580 )
 581 #endif
 582
 583 #endif /* _TRACE_VMSCAN_H */
 584
 585 /* This part must be outside protection */
 586 #include "../../../probes/define_trace.h"