include/trace/events/compaction.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM compaction
   3
   4 #if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_COMPACTION_H
   6
   7 #include <linux/types.h>
   8 #include <linux/list.h>
   9 #include <linux/tracepoint.h>
  10 #include <trace/events/mmflags.h>
  11
  12 #define COMPACTION_STATUS                                       \
  13         EM( COMPACT_SKIPPED,            "skipped")              \
  14         EM( COMPACT_DEFERRED,           "deferred")             \
  15         EM( COMPACT_CONTINUE,           "continue")             \
  16         EM( COMPACT_PARTIAL,            "partial")              \
  17         EM( COMPACT_PARTIAL_SKIPPED,    "partial_skipped")      \
  18         EM( COMPACT_COMPLETE,           "complete")             \
  19         EM( COMPACT_NO_SUITABLE_PAGE,   "no_suitable_page")     \
  20         EM( COMPACT_NOT_SUITABLE_ZONE,  "not_suitable_zone")    \
  21         EMe(COMPACT_CONTENDED,          "contended")
  22
  23 #ifdef CONFIG_ZONE_DMA
  24 #define IFDEF_ZONE_DMA(X) X
  25 #else
  26 #define IFDEF_ZONE_DMA(X)
  27 #endif
  28
  29 #ifdef CONFIG_ZONE_DMA32
  30 #define IFDEF_ZONE_DMA32(X) X
  31 #else
  32 #define IFDEF_ZONE_DMA32(X)
  33 #endif
  34
  35 #ifdef CONFIG_HIGHMEM
  36 #define IFDEF_ZONE_HIGHMEM(X) X
  37 #else
  38 #define IFDEF_ZONE_HIGHMEM(X)
  39 #endif
  40
  41 #define ZONE_TYPE                                               \
  42         IFDEF_ZONE_DMA(         EM (ZONE_DMA,    "DMA"))        \
  43         IFDEF_ZONE_DMA32(       EM (ZONE_DMA32,  "DMA32"))      \
  44                                 EM (ZONE_NORMAL, "Normal")      \
  45         IFDEF_ZONE_HIGHMEM(     EM (ZONE_HIGHMEM,"HighMem"))    \
  46                                 EMe(ZONE_MOVABLE,"Movable")
  47
  48 /*
  49  * First define the enums in the above macros to be exported to userspace
  50  * via TRACE_DEFINE_ENUM().
  51  */
  52 #undef EM
  53 #undef EMe
  54 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
  55 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  56
  57 COMPACTION_STATUS
  58 ZONE_TYPE
  59
  60 /*
  61  * Now redefine the EM() and EMe() macros to map the enums to the strings
  62  * that will be printed in the output.
  63  */
  64 #undef EM
  65 #undef EMe
  66 #define EM(a, b)        {a, b},
  67 #define EMe(a, b)       {a, b}
  68
  69 DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
  70
  71         TP_PROTO(
  72                 unsigned long start_pfn,
  73                 unsigned long end_pfn,
  74                 unsigned long nr_scanned,
  75                 unsigned long nr_taken),
  76
  77         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
  78
  79         TP_STRUCT__entry(
  80                 __field(unsigned long, start_pfn)
  81                 __field(unsigned long, end_pfn)
  82                 __field(unsigned long, nr_scanned)
  83                 __field(unsigned long, nr_taken)
  84         ),
  85
  86         TP_fast_assign(
  87                 __entry->start_pfn = start_pfn;
  88                 __entry->end_pfn = end_pfn;
  89                 __entry->nr_scanned = nr_scanned;
  90                 __entry->nr_taken = nr_taken;
  91         ),
  92
  93         TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
  94                 __entry->start_pfn,
  95                 __entry->end_pfn,
  96                 __entry->nr_scanned,
  97                 __entry->nr_taken)
  98 );
  99
 100 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
 101
 102         TP_PROTO(
 103                 unsigned long start_pfn,
 104                 unsigned long end_pfn,
 105                 unsigned long nr_scanned,
 106                 unsigned long nr_taken),
 107
 108         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
 109 );
 110
 111 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
 112
 113         TP_PROTO(
 114                 unsigned long start_pfn,
 115                 unsigned long end_pfn,
 116                 unsigned long nr_scanned,
 117                 unsigned long nr_taken),
 118
 119         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
 120 );
 121
 122 TRACE_EVENT(mm_compaction_migratepages,
 123
 124         TP_PROTO(unsigned long nr_all,
 125                 int migrate_rc,
 126                 struct list_head *migratepages),
 127
 128         TP_ARGS(nr_all, migrate_rc, migratepages),
 129
 130         TP_STRUCT__entry(
 131                 __field(unsigned long, nr_migrated)
 132                 __field(unsigned long, nr_failed)
 133         ),
 134
 135         TP_fast_assign(
 136                 unsigned long nr_failed = 0;
 137                 struct list_head *page_lru;
 138
 139                 /*
 140                  * migrate_pages() returns either a non-negative number
 141                  * with the number of pages that failed migration, or an
 142                  * error code, in which case we need to count the remaining
 143                  * pages manually
 144                  */
 145                 if (migrate_rc >= 0)
 146                         nr_failed = migrate_rc;
 147                 else
 148                         list_for_each(page_lru, migratepages)
 149                                 nr_failed++;
 150
 151                 __entry->nr_migrated = nr_all - nr_failed;
 152                 __entry->nr_failed = nr_failed;
 153         ),
 154
 155         TP_printk("nr_migrated=%lu nr_failed=%lu",
 156                 __entry->nr_migrated,
 157                 __entry->nr_failed)
 158 );
 159
 160 TRACE_EVENT(mm_compaction_begin,
 161         TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
 162                 unsigned long free_pfn, unsigned long zone_end, bool sync),
 163
 164         TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync),
 165
 166         TP_STRUCT__entry(
 167                 __field(unsigned long, zone_start)
 168                 __field(unsigned long, migrate_pfn)
 169                 __field(unsigned long, free_pfn)
 170                 __field(unsigned long, zone_end)
 171                 __field(bool, sync)
 172         ),
 173
 174         TP_fast_assign(
 175                 __entry->zone_start = zone_start;
 176                 __entry->migrate_pfn = migrate_pfn;
 177                 __entry->free_pfn = free_pfn;
 178                 __entry->zone_end = zone_end;
 179                 __entry->sync = sync;
 180         ),
 181
 182         TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
 183                 __entry->zone_start,
 184                 __entry->migrate_pfn,
 185                 __entry->free_pfn,
 186                 __entry->zone_end,
 187                 __entry->sync ? "sync" : "async")
 188 );
 189
 190 TRACE_EVENT(mm_compaction_end,
 191         TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
 192                 unsigned long free_pfn, unsigned long zone_end, bool sync,
 193                 int status),
 194
 195         TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status),
 196
 197         TP_STRUCT__entry(
 198                 __field(unsigned long, zone_start)
 199                 __field(unsigned long, migrate_pfn)
 200                 __field(unsigned long, free_pfn)
 201                 __field(unsigned long, zone_end)
 202                 __field(bool, sync)
 203                 __field(int, status)
 204         ),
 205
 206         TP_fast_assign(
 207                 __entry->zone_start = zone_start;
 208                 __entry->migrate_pfn = migrate_pfn;
 209                 __entry->free_pfn = free_pfn;
 210                 __entry->zone_end = zone_end;
 211                 __entry->sync = sync;
 212                 __entry->status = status;
 213         ),
 214
 215         TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
 216                 __entry->zone_start,
 217                 __entry->migrate_pfn,
 218                 __entry->free_pfn,
 219                 __entry->zone_end,
 220                 __entry->sync ? "sync" : "async",
 221                 __print_symbolic(__entry->status, COMPACTION_STATUS))
 222 );
 223
 224 TRACE_EVENT(mm_compaction_try_to_compact_pages,
 225
 226         TP_PROTO(
 227                 int order,
 228                 gfp_t gfp_mask,
 229                 int prio),
 230
 231         TP_ARGS(order, gfp_mask, prio),
 232
 233         TP_STRUCT__entry(
 234                 __field(int, order)
 235                 __field(gfp_t, gfp_mask)
 236                 __field(int, prio)
 237         ),
 238
 239         TP_fast_assign(
 240                 __entry->order = order;
 241                 __entry->gfp_mask = gfp_mask;
 242                 __entry->prio = prio;
 243         ),
 244
 245         TP_printk("order=%d gfp_mask=0x%x priority=%d",
 246                 __entry->order,
 247                 __entry->gfp_mask,
 248                 __entry->prio)
 249 );
 250
 251 DECLARE_EVENT_CLASS(mm_compaction_suitable_template,
 252
 253         TP_PROTO(struct zone *zone,
 254                 int order,
 255                 int ret),
 256
 257         TP_ARGS(zone, order, ret),
 258
 259         TP_STRUCT__entry(
 260                 __field(int, nid)
 261                 __field(enum zone_type, idx)
 262                 __field(int, order)
 263                 __field(int, ret)
 264         ),
 265
 266         TP_fast_assign(
 267                 __entry->nid = zone_to_nid(zone);
 268                 __entry->idx = zone_idx(zone);
 269                 __entry->order = order;
 270                 __entry->ret = ret;
 271         ),
 272
 273         TP_printk("node=%d zone=%-8s order=%d ret=%s",
 274                 __entry->nid,
 275                 __print_symbolic(__entry->idx, ZONE_TYPE),
 276                 __entry->order,
 277                 __print_symbolic(__entry->ret, COMPACTION_STATUS))
 278 );
 279
 280 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_finished,
 281
 282         TP_PROTO(struct zone *zone,
 283                 int order,
 284                 int ret),
 285
 286         TP_ARGS(zone, order, ret)
 287 );
 288
 289 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable,
 290
 291         TP_PROTO(struct zone *zone,
 292                 int order,
 293                 int ret),
 294
 295         TP_ARGS(zone, order, ret)
 296 );
 297
 298 #ifdef CONFIG_COMPACTION
 299 DECLARE_EVENT_CLASS(mm_compaction_defer_template,
 300
 301         TP_PROTO(struct zone *zone, int order),
 302
 303         TP_ARGS(zone, order),
 304
 305         TP_STRUCT__entry(
 306                 __field(int, nid)
 307                 __field(enum zone_type, idx)
 308                 __field(int, order)
 309                 __field(unsigned int, considered)
 310                 __field(unsigned int, defer_shift)
 311                 __field(int, order_failed)
 312         ),
 313
 314         TP_fast_assign(
 315                 __entry->nid = zone_to_nid(zone);
 316                 __entry->idx = zone_idx(zone);
 317                 __entry->order = order;
 318                 __entry->considered = zone->compact_considered;
 319                 __entry->defer_shift = zone->compact_defer_shift;
 320                 __entry->order_failed = zone->compact_order_failed;
 321         ),
 322
 323         TP_printk("node=%d zone=%-8s order=%d order_failed=%d consider=%u limit=%lu",
 324                 __entry->nid,
 325                 __print_symbolic(__entry->idx, ZONE_TYPE),
 326                 __entry->order,
 327                 __entry->order_failed,
 328                 __entry->considered,
 329                 1UL << __entry->defer_shift)
 330 );
 331
 332 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_deferred,
 333
 334         TP_PROTO(struct zone *zone, int order),
 335
 336         TP_ARGS(zone, order)
 337 );
 338
 339 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_compaction,
 340
 341         TP_PROTO(struct zone *zone, int order),
 342
 343         TP_ARGS(zone, order)
 344 );
 345
 346 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_reset,
 347
 348         TP_PROTO(struct zone *zone, int order),
 349
 350         TP_ARGS(zone, order)
 351 );
 352 #endif
 353
 354 TRACE_EVENT(mm_compaction_kcompactd_sleep,
 355
 356         TP_PROTO(int nid),
 357
 358         TP_ARGS(nid),
 359
 360         TP_STRUCT__entry(
 361                 __field(int, nid)
 362         ),
 363
 364         TP_fast_assign(
 365                 __entry->nid = nid;
 366         ),
 367
 368         TP_printk("nid=%d", __entry->nid)
 369 );
 370
 371 DECLARE_EVENT_CLASS(kcompactd_wake_template,
 372
 373         TP_PROTO(int nid, int order, enum zone_type classzone_idx),
 374
 375         TP_ARGS(nid, order, classzone_idx),
 376
 377         TP_STRUCT__entry(
 378                 __field(int, nid)
 379                 __field(int, order)
 380                 __field(enum zone_type, classzone_idx)
 381         ),
 382
 383         TP_fast_assign(
 384                 __entry->nid = nid;
 385                 __entry->order = order;
 386                 __entry->classzone_idx = classzone_idx;
 387         ),
 388
 389         TP_printk("nid=%d order=%d classzone_idx=%-8s",
 390                 __entry->nid,
 391                 __entry->order,
 392                 __print_symbolic(__entry->classzone_idx, ZONE_TYPE))
 393 );
 394
 395 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_wakeup_kcompactd,
 396
 397         TP_PROTO(int nid, int order, enum zone_type classzone_idx),
 398
 399         TP_ARGS(nid, order, classzone_idx)
 400 );
 401
 402 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_kcompactd_wake,
 403
 404         TP_PROTO(int nid, int order, enum zone_type classzone_idx),
 405
 406         TP_ARGS(nid, order, classzone_idx)
 407 );
 408
 409 #endif /* _TRACE_COMPACTION_H */
 410
 411 /* This part must be outside protection */
 412 #include <trace/define_trace.h>