include/trace/events/compaction.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM compaction
   4
   5 #if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_COMPACTION_H
   7
   8 #include <linux/types.h>
   9 #include <linux/list.h>
  10 #include <linux/tracepoint.h>
  11 #include <trace/events/mmflags.h>
  12
  13
  14 DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
  15
  16         TP_PROTO(
  17                 unsigned long start_pfn,
  18                 unsigned long end_pfn,
  19                 unsigned long nr_scanned,
  20                 unsigned long nr_taken),
  21
  22         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
  23
  24         TP_STRUCT__entry(
  25                 __field(unsigned long, start_pfn)
  26                 __field(unsigned long, end_pfn)
  27                 __field(unsigned long, nr_scanned)
  28                 __field(unsigned long, nr_taken)
  29         ),
  30
  31         TP_fast_assign(
  32                 __entry->start_pfn = start_pfn;
  33                 __entry->end_pfn = end_pfn;
  34                 __entry->nr_scanned = nr_scanned;
  35                 __entry->nr_taken = nr_taken;
  36         ),
  37
  38         TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
  39                 __entry->start_pfn,
  40                 __entry->end_pfn,
  41                 __entry->nr_scanned,
  42                 __entry->nr_taken)
  43 );
  44
  45 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
  46
  47         TP_PROTO(
  48                 unsigned long start_pfn,
  49                 unsigned long end_pfn,
  50                 unsigned long nr_scanned,
  51                 unsigned long nr_taken),
  52
  53         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  54 );
  55
  56 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
  57
  58         TP_PROTO(
  59                 unsigned long start_pfn,
  60                 unsigned long end_pfn,
  61                 unsigned long nr_scanned,
  62                 unsigned long nr_taken),
  63
  64         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  65 );
  66
  67 #ifdef CONFIG_COMPACTION
  68 TRACE_EVENT(mm_compaction_migratepages,
  69
  70         TP_PROTO(unsigned long nr_all,
  71                 int migrate_rc,
  72                 struct list_head *migratepages),
  73
  74         TP_ARGS(nr_all, migrate_rc, migratepages),
  75
  76         TP_STRUCT__entry(
  77                 __field(unsigned long, nr_migrated)
  78                 __field(unsigned long, nr_failed)
  79         ),
  80
  81         TP_fast_assign(
  82                 unsigned long nr_failed = 0;
  83                 struct list_head *page_lru;
  84
  85                 /*
  86                  * migrate_pages() returns either a non-negative number
  87                  * with the number of pages that failed migration, or an
  88                  * error code, in which case we need to count the remaining
  89                  * pages manually
  90                  */
  91                 if (migrate_rc >= 0)
  92                         nr_failed = migrate_rc;
  93                 else
  94                         list_for_each(page_lru, migratepages)
  95                                 nr_failed++;
  96
  97                 __entry->nr_migrated = nr_all - nr_failed;
  98                 __entry->nr_failed = nr_failed;
  99         ),
 100
 101         TP_printk("nr_migrated=%lu nr_failed=%lu",
 102                 __entry->nr_migrated,
 103                 __entry->nr_failed)
 104 );
 105
 106 TRACE_EVENT(mm_compaction_begin,
 107         TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
 108                 unsigned long free_pfn, unsigned long zone_end, bool sync),
 109
 110         TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync),
 111
 112         TP_STRUCT__entry(
 113                 __field(unsigned long, zone_start)
 114                 __field(unsigned long, migrate_pfn)
 115                 __field(unsigned long, free_pfn)
 116                 __field(unsigned long, zone_end)
 117                 __field(bool, sync)
 118         ),
 119
 120         TP_fast_assign(
 121                 __entry->zone_start = zone_start;
 122                 __entry->migrate_pfn = migrate_pfn;
 123                 __entry->free_pfn = free_pfn;
 124                 __entry->zone_end = zone_end;
 125                 __entry->sync = sync;
 126         ),
 127
 128         TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
 129                 __entry->zone_start,
 130                 __entry->migrate_pfn,
 131                 __entry->free_pfn,
 132                 __entry->zone_end,
 133                 __entry->sync ? "sync" : "async")
 134 );
 135
 136 TRACE_EVENT(mm_compaction_end,
 137         TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
 138                 unsigned long free_pfn, unsigned long zone_end, bool sync,
 139                 int status),
 140
 141         TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status),
 142
 143         TP_STRUCT__entry(
 144                 __field(unsigned long, zone_start)
 145                 __field(unsigned long, migrate_pfn)
 146                 __field(unsigned long, free_pfn)
 147                 __field(unsigned long, zone_end)
 148                 __field(bool, sync)
 149                 __field(int, status)
 150         ),
 151
 152         TP_fast_assign(
 153                 __entry->zone_start = zone_start;
 154                 __entry->migrate_pfn = migrate_pfn;
 155                 __entry->free_pfn = free_pfn;
 156                 __entry->zone_end = zone_end;
 157                 __entry->sync = sync;
 158                 __entry->status = status;
 159         ),
 160
 161         TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
 162                 __entry->zone_start,
 163                 __entry->migrate_pfn,
 164                 __entry->free_pfn,
 165                 __entry->zone_end,
 166                 __entry->sync ? "sync" : "async",
 167                 __print_symbolic(__entry->status, COMPACTION_STATUS))
 168 );
 169
 170 TRACE_EVENT(mm_compaction_try_to_compact_pages,
 171
 172         TP_PROTO(
 173                 int order,
 174                 gfp_t gfp_mask,
 175                 int prio),
 176
 177         TP_ARGS(order, gfp_mask, prio),
 178
 179         TP_STRUCT__entry(
 180                 __field(int, order)
 181                 __field(gfp_t, gfp_mask)
 182                 __field(int, prio)
 183         ),
 184
 185         TP_fast_assign(
 186                 __entry->order = order;
 187                 __entry->gfp_mask = gfp_mask;
 188                 __entry->prio = prio;
 189         ),
 190
 191         TP_printk("order=%d gfp_mask=%s priority=%d",
 192                 __entry->order,
 193                 show_gfp_flags(__entry->gfp_mask),
 194                 __entry->prio)
 195 );
 196
 197 DECLARE_EVENT_CLASS(mm_compaction_suitable_template,
 198
 199         TP_PROTO(struct zone *zone,
 200                 int order,
 201                 int ret),
 202
 203         TP_ARGS(zone, order, ret),
 204
 205         TP_STRUCT__entry(
 206                 __field(int, nid)
 207                 __field(enum zone_type, idx)
 208                 __field(int, order)
 209                 __field(int, ret)
 210         ),
 211
 212         TP_fast_assign(
 213                 __entry->nid = zone_to_nid(zone);
 214                 __entry->idx = zone_idx(zone);
 215                 __entry->order = order;
 216                 __entry->ret = ret;
 217         ),
 218
 219         TP_printk("node=%d zone=%-8s order=%d ret=%s",
 220                 __entry->nid,
 221                 __print_symbolic(__entry->idx, ZONE_TYPE),
 222                 __entry->order,
 223                 __print_symbolic(__entry->ret, COMPACTION_STATUS))
 224 );
 225
 226 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_finished,
 227
 228         TP_PROTO(struct zone *zone,
 229                 int order,
 230                 int ret),
 231
 232         TP_ARGS(zone, order, ret)
 233 );
 234
 235 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable,
 236
 237         TP_PROTO(struct zone *zone,
 238                 int order,
 239                 int ret),
 240
 241         TP_ARGS(zone, order, ret)
 242 );
 243
 244 DECLARE_EVENT_CLASS(mm_compaction_defer_template,
 245
 246         TP_PROTO(struct zone *zone, int order),
 247
 248         TP_ARGS(zone, order),
 249
 250         TP_STRUCT__entry(
 251                 __field(int, nid)
 252                 __field(enum zone_type, idx)
 253                 __field(int, order)
 254                 __field(unsigned int, considered)
 255                 __field(unsigned int, defer_shift)
 256                 __field(int, order_failed)
 257         ),
 258
 259         TP_fast_assign(
 260                 __entry->nid = zone_to_nid(zone);
 261                 __entry->idx = zone_idx(zone);
 262                 __entry->order = order;
 263                 __entry->considered = zone->compact_considered;
 264                 __entry->defer_shift = zone->compact_defer_shift;
 265                 __entry->order_failed = zone->compact_order_failed;
 266         ),
 267
 268         TP_printk("node=%d zone=%-8s order=%d order_failed=%d consider=%u limit=%lu",
 269                 __entry->nid,
 270                 __print_symbolic(__entry->idx, ZONE_TYPE),
 271                 __entry->order,
 272                 __entry->order_failed,
 273                 __entry->considered,
 274                 1UL << __entry->defer_shift)
 275 );
 276
 277 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_deferred,
 278
 279         TP_PROTO(struct zone *zone, int order),
 280
 281         TP_ARGS(zone, order)
 282 );
 283
 284 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_compaction,
 285
 286         TP_PROTO(struct zone *zone, int order),
 287
 288         TP_ARGS(zone, order)
 289 );
 290
 291 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_reset,
 292
 293         TP_PROTO(struct zone *zone, int order),
 294
 295         TP_ARGS(zone, order)
 296 );
 297
 298 TRACE_EVENT(mm_compaction_kcompactd_sleep,
 299
 300         TP_PROTO(int nid),
 301
 302         TP_ARGS(nid),
 303
 304         TP_STRUCT__entry(
 305                 __field(int, nid)
 306         ),
 307
 308         TP_fast_assign(
 309                 __entry->nid = nid;
 310         ),
 311
 312         TP_printk("nid=%d", __entry->nid)
 313 );
 314
 315 DECLARE_EVENT_CLASS(kcompactd_wake_template,
 316
 317         TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
 318
 319         TP_ARGS(nid, order, highest_zoneidx),
 320
 321         TP_STRUCT__entry(
 322                 __field(int, nid)
 323                 __field(int, order)
 324                 __field(enum zone_type, highest_zoneidx)
 325         ),
 326
 327         TP_fast_assign(
 328                 __entry->nid = nid;
 329                 __entry->order = order;
 330                 __entry->highest_zoneidx = highest_zoneidx;
 331         ),
 332
 333         /*
 334          * classzone_idx is previous name of the highest_zoneidx.
 335          * Reason not to change it is the ABI requirement of the tracepoint.
 336          */
 337         TP_printk("nid=%d order=%d classzone_idx=%-8s",
 338                 __entry->nid,
 339                 __entry->order,
 340                 __print_symbolic(__entry->highest_zoneidx, ZONE_TYPE))
 341 );
 342
 343 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_wakeup_kcompactd,
 344
 345         TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
 346
 347         TP_ARGS(nid, order, highest_zoneidx)
 348 );
 349
 350 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_kcompactd_wake,
 351
 352         TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
 353
 354         TP_ARGS(nid, order, highest_zoneidx)
 355 );
 356 #endif
 357
 358 #endif /* _TRACE_COMPACTION_H */
 359
 360 /* This part must be outside protection */
 361 #include <trace/define_trace.h>