instrumentation/events/lttng-module/vmscan.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM vmscan
   3
   4 #if !defined(LTTNG_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define LTTNG_TRACE_VMSCAN_H
   6
   7 #include "../../../probes/lttng-tracepoint-event.h"
   8 #include <linux/types.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 LTTNG_TRACEPOINT_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 LTTNG_TRACEPOINT_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 LTTNG_TRACEPOINT_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 LTTNG_TRACEPOINT_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 LTTNG_TRACEPOINT_EVENT_INSTANCE(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 LTTNG_TRACEPOINT_EVENT_INSTANCE(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 LTTNG_TRACEPOINT_EVENT_INSTANCE(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 LTTNG_TRACEPOINT_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 LTTNG_TRACEPOINT_EVENT_INSTANCE(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 LTTNG_TRACEPOINT_EVENT_INSTANCE(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 LTTNG_TRACEPOINT_EVENT_INSTANCE(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 LTTNG_TRACEPOINT_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 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
 216                 tp_assign(shrink, shr->scan_objects)
 217 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
 218                 tp_assign(shrink, shr->shrink)
 219 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
 220                 tp_assign(nr_objects_to_shrink, nr_objects_to_shrink)
 221                 tp_assign(gfp_flags, sc->gfp_mask)
 222                 tp_assign(pgs_scanned, pgs_scanned)
 223                 tp_assign(lru_pgs, lru_pgs)
 224                 tp_assign(cache_items, cache_items)
 225                 tp_assign(delta, delta)
 226                 tp_assign(total_scan, total_scan)
 227         ),
 228
 229         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",
 230                 __entry->shrink,
 231                 __entry->shr,
 232                 __entry->nr_objects_to_shrink,
 233                 show_gfp_flags(__entry->gfp_flags),
 234                 __entry->pgs_scanned,
 235                 __entry->lru_pgs,
 236                 __entry->cache_items,
 237                 __entry->delta,
 238                 __entry->total_scan)
 239 )
 240
 241 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
 242 LTTNG_TRACEPOINT_EVENT(mm_shrink_slab_end,
 243         TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
 244                 long unused_scan_cnt, long new_scan_cnt, long total_scan),
 245
 246         TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
 247                 total_scan),
 248
 249         TP_STRUCT__entry(
 250                 __field(struct shrinker *, shr)
 251                 __field(int, nid)
 252                 __field(void *, shrink)
 253                 __field(long, unused_scan)
 254                 __field(long, new_scan)
 255                 __field(int, retval)
 256                 __field(long, total_scan)
 257         ),
 258
 259         TP_fast_assign(
 260                 tp_assign(shr, shr)
 261                 tp_assign(nid, nid)
 262                 tp_assign(shrink, shr->scan_objects)
 263                 tp_assign(unused_scan, unused_scan_cnt)
 264                 tp_assign(new_scan, new_scan_cnt)
 265                 tp_assign(retval, shrinker_retval)
 266                 tp_assign(total_scan, total_scan)
 267         ),
 268
 269         TP_printk("%pF %p: nid %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 270                 __entry->shrink,
 271                 __entry->shr,
 272                 __entry->nid,
 273                 __entry->unused_scan,
 274                 __entry->new_scan,
 275                 __entry->total_scan,
 276                 __entry->retval)
 277 )
 278 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 279 LTTNG_TRACEPOINT_EVENT(mm_shrink_slab_end,
 280         TP_PROTO(struct shrinker *shr, int shrinker_retval,
 281                 long unused_scan_cnt, long new_scan_cnt),
 282
 283         TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
 284
 285         TP_STRUCT__entry(
 286                 __field(struct shrinker *, shr)
 287                 __field(void *, shrink)
 288                 __field(long, unused_scan)
 289                 __field(long, new_scan)
 290                 __field(int, retval)
 291                 __field(long, total_scan)
 292         ),
 293
 294         TP_fast_assign(
 295                 tp_assign(shr, shr)
 296 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
 297                 tp_assign(shrink, shr->scan_objects)
 298 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
 299                 tp_assign(shrink, shr->shrink)
 300 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
 301                 tp_assign(unused_scan, unused_scan_cnt)
 302                 tp_assign(new_scan, new_scan_cnt)
 303                 tp_assign(retval, shrinker_retval)
 304                 tp_assign(total_scan, new_scan_cnt - unused_scan_cnt)
 305         ),
 306
 307         TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 308                 __entry->shrink,
 309                 __entry->shr,
 310                 __entry->unused_scan,
 311                 __entry->new_scan,
 312                 __entry->total_scan,
 313                 __entry->retval)
 314 )
 315 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 316 #endif
 317
 318 LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 319
 320         TP_PROTO(int order,
 321                 unsigned long nr_requested,
 322                 unsigned long nr_scanned,
 323                 unsigned long nr_taken,
 324 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 325                 unsigned long nr_lumpy_taken,
 326                 unsigned long nr_lumpy_dirty,
 327                 unsigned long nr_lumpy_failed,
 328 #endif
 329 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 330                 isolate_mode_t isolate_mode
 331 #else
 332                 isolate_mode_t isolate_mode,
 333                 int file
 334 #endif
 335         ),
 336
 337         TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
 338 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 339                 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
 340 #endif
 341 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 342                 isolate_mode
 343 #else
 344                 isolate_mode, file
 345 #endif
 346         ),
 347
 348
 349         TP_STRUCT__entry(
 350                 __field(int, order)
 351                 __field(unsigned long, nr_requested)
 352                 __field(unsigned long, nr_scanned)
 353                 __field(unsigned long, nr_taken)
 354 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 355                 __field(unsigned long, nr_lumpy_taken)
 356                 __field(unsigned long, nr_lumpy_dirty)
 357                 __field(unsigned long, nr_lumpy_failed)
 358 #endif
 359                 __field(isolate_mode_t, isolate_mode)
 360 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 361                 __field(int, file)
 362 #endif
 363         ),
 364
 365         TP_fast_assign(
 366                 tp_assign(order, order)
 367                 tp_assign(nr_requested, nr_requested)
 368                 tp_assign(nr_scanned, nr_scanned)
 369                 tp_assign(nr_taken, nr_taken)
 370 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 371                 tp_assign(nr_lumpy_taken, nr_lumpy_taken)
 372                 tp_assign(nr_lumpy_dirty, nr_lumpy_dirty)
 373                 tp_assign(nr_lumpy_failed, nr_lumpy_failed)
 374 #endif
 375                 tp_assign(isolate_mode, isolate_mode)
 376 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 377                 tp_assign(file, file)
 378 #endif
 379         ),
 380
 381 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 382         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",
 383                 __entry->isolate_mode,
 384                 __entry->order,
 385                 __entry->nr_requested,
 386                 __entry->nr_scanned,
 387                 __entry->nr_taken,
 388                 __entry->nr_lumpy_taken,
 389                 __entry->nr_lumpy_dirty,
 390                 __entry->nr_lumpy_failed)
 391 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 392         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",
 393                 __entry->isolate_mode,
 394                 __entry->order,
 395                 __entry->nr_requested,
 396                 __entry->nr_scanned,
 397                 __entry->nr_taken,
 398                 __entry->nr_lumpy_taken,
 399                 __entry->nr_lumpy_dirty,
 400                 __entry->nr_lumpy_failed,
 401                 __entry->file)
 402 #else
 403         TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
 404                 __entry->isolate_mode,
 405                 __entry->order,
 406                 __entry->nr_requested,
 407                 __entry->nr_scanned,
 408                 __entry->nr_taken,
 409                 __entry->file)
 410 #endif
 411 )
 412
 413 LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
 414
 415         TP_PROTO(int order,
 416                 unsigned long nr_requested,
 417                 unsigned long nr_scanned,
 418                 unsigned long nr_taken,
 419 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 420                 unsigned long nr_lumpy_taken,
 421                 unsigned long nr_lumpy_dirty,
 422                 unsigned long nr_lumpy_failed,
 423 #endif
 424 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 425                 isolate_mode_t isolate_mode
 426 #else
 427                 isolate_mode_t isolate_mode,
 428                 int file
 429 #endif
 430         ),
 431
 432         TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
 433 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 434                 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
 435 #endif
 436 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 437                 isolate_mode
 438 #else
 439                 isolate_mode, file
 440 #endif
 441         )
 442
 443 )
 444
 445 LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
 446
 447         TP_PROTO(int order,
 448                 unsigned long nr_requested,
 449                 unsigned long nr_scanned,
 450                 unsigned long nr_taken,
 451 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 452                 unsigned long nr_lumpy_taken,
 453                 unsigned long nr_lumpy_dirty,
 454                 unsigned long nr_lumpy_failed,
 455 #endif
 456 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 457                 isolate_mode_t isolate_mode
 458 #else
 459                 isolate_mode_t isolate_mode,
 460                 int file
 461 #endif
 462         ),
 463
 464         TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
 465 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 466                 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
 467 #endif
 468 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
 469                 isolate_mode
 470 #else
 471                 isolate_mode, file
 472 #endif
 473         )
 474 )
 475
 476 LTTNG_TRACEPOINT_EVENT(mm_vmscan_writepage,
 477
 478         TP_PROTO(struct page *page,
 479                 int reclaim_flags),
 480
 481         TP_ARGS(page, reclaim_flags),
 482
 483         TP_STRUCT__entry(
 484                 __field(struct page *, page)
 485                 __field(int, reclaim_flags)
 486         ),
 487
 488         TP_fast_assign(
 489                 tp_assign(page, page)
 490                 tp_assign(reclaim_flags, reclaim_flags)
 491         ),
 492
 493         TP_printk("page=%p pfn=%lu flags=%s",
 494                 __entry->page,
 495                 page_to_pfn(__entry->page),
 496                 show_reclaim_flags(__entry->reclaim_flags))
 497 )
 498
 499 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 500 LTTNG_TRACEPOINT_EVENT(mm_vmscan_lru_shrink_inactive,
 501
 502         TP_PROTO(int nid, int zid,
 503                         unsigned long nr_scanned, unsigned long nr_reclaimed,
 504                         int priority, int reclaim_flags),
 505
 506         TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
 507
 508         TP_STRUCT__entry(
 509                 __field(int, nid)
 510                 __field(int, zid)
 511                 __field(unsigned long, nr_scanned)
 512                 __field(unsigned long, nr_reclaimed)
 513                 __field(int, priority)
 514                 __field(int, reclaim_flags)
 515         ),
 516
 517         TP_fast_assign(
 518                 tp_assign(nid, nid)
 519                 tp_assign(zid, zid)
 520                 tp_assign(nr_scanned, nr_scanned)
 521                 tp_assign(nr_reclaimed, nr_reclaimed)
 522                 tp_assign(priority, priority)
 523                 tp_assign(reclaim_flags, reclaim_flags)
 524         ),
 525
 526         TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
 527                 __entry->nid, __entry->zid,
 528                 __entry->nr_scanned, __entry->nr_reclaimed,
 529                 __entry->priority,
 530                 show_reclaim_flags(__entry->reclaim_flags))
 531 )
 532 #endif
 533
 534 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
 535 LTTNG_TRACEPOINT_EVENT_MAP(replace_swap_token,
 536
 537         mm_vmscan_replace_swap_token,
 538
 539         TP_PROTO(struct mm_struct *old_mm,
 540                  struct mm_struct *new_mm),
 541
 542         TP_ARGS(old_mm, new_mm),
 543
 544         TP_STRUCT__entry(
 545                 __field(struct mm_struct*,      old_mm)
 546                 __field(unsigned int,           old_prio)
 547                 __field(struct mm_struct*,      new_mm)
 548                 __field(unsigned int,           new_prio)
 549         ),
 550
 551         TP_fast_assign(
 552                 tp_assign(old_mm, old_mm)
 553                 tp_assign(old_prio, old_mm ? old_mm->token_priority : 0)
 554                 tp_assign(new_mm, new_mm)
 555                 tp_assign(new_prio, new_mm->token_priority)
 556         ),
 557
 558         TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
 559                   __entry->old_mm, __entry->old_prio,
 560                   __entry->new_mm, __entry->new_prio)
 561 )
 562
 563 LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_put_swap_token_template,
 564         TP_PROTO(struct mm_struct *swap_token_mm),
 565
 566         TP_ARGS(swap_token_mm),
 567
 568         TP_STRUCT__entry(
 569                 __field(struct mm_struct*, swap_token_mm)
 570         ),
 571
 572         TP_fast_assign(
 573                 tp_assign(swap_token_mm, swap_token_mm)
 574         ),
 575
 576         TP_printk("token_mm=%p", __entry->swap_token_mm)
 577 )
 578
 579 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(mm_vmscan_put_swap_token_template, put_swap_token,
 580
 581         mm_vmscan_put_swap_token,
 582
 583         TP_PROTO(struct mm_struct *swap_token_mm),
 584         TP_ARGS(swap_token_mm)
 585 )
 586
 587 LTTNG_TRACEPOINT_EVENT_INSTANCE_CONDITION_MAP(mm_vmscan_put_swap_token_template, disable_swap_token,
 588
 589         mm_vmscan_disable_swap_token,
 590
 591         TP_PROTO(struct mm_struct *swap_token_mm),
 592         TP_ARGS(swap_token_mm),
 593         TP_CONDITION(swap_token_mm != NULL)
 594 )
 595
 596 LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(update_swap_token_priority,
 597
 598         mm_vmscan_update_swap_token_priority,
 599
 600         TP_PROTO(struct mm_struct *mm,
 601                  unsigned int old_prio,
 602                  struct mm_struct *swap_token_mm),
 603
 604         TP_ARGS(mm, old_prio, swap_token_mm),
 605
 606         TP_CONDITION(mm->token_priority != old_prio),
 607
 608         TP_STRUCT__entry(
 609                 __field(struct mm_struct*, mm)
 610                 __field(unsigned int, old_prio)
 611                 __field(unsigned int, new_prio)
 612                 __field(struct mm_struct*, swap_token_mm)
 613                 __field(unsigned int, swap_token_prio)
 614         ),
 615
 616         TP_fast_assign(
 617                 tp_assign(mm, mm)
 618                 tp_assign(old_prio, old_prio)
 619                 tp_assign(new_prio, mm->token_priority)
 620                 tp_assign(swap_token_mm, swap_token_mm)
 621                 tp_assign(swap_token_prio, swap_token_mm ? swap_token_mm->token_priority : 0)
 622         ),
 623
 624         TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
 625                   __entry->mm, __entry->old_prio, __entry->new_prio,
 626                   __entry->swap_token_mm, __entry->swap_token_prio)
 627 )
 628 #endif
 629
 630 #endif /* LTTNG_TRACE_VMSCAN_H */
 631
 632 /* This part must be outside protection */
 633 #include "../../../probes/define_trace.h"