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