include/trace/events/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/mmflags.h>
  12
  13 #define RECLAIM_WB_ANON         0x0001u
  14 #define RECLAIM_WB_FILE         0x0002u
  15 #define RECLAIM_WB_MIXED        0x0010u
  16 #define RECLAIM_WB_SYNC         0x0004u /* Unused, all reclaim async */
  17 #define RECLAIM_WB_ASYNC        0x0008u
  18
  19 #define show_reclaim_flags(flags)                               \
  20         (flags) ? __print_flags(flags, "|",                     \
  21                 {RECLAIM_WB_ANON,       "RECLAIM_WB_ANON"},     \
  22                 {RECLAIM_WB_FILE,       "RECLAIM_WB_FILE"},     \
  23                 {RECLAIM_WB_MIXED,      "RECLAIM_WB_MIXED"},    \
  24                 {RECLAIM_WB_SYNC,       "RECLAIM_WB_SYNC"},     \
  25                 {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
  26                 ) : "RECLAIM_WB_NONE"
  27
  28 #define trace_reclaim_flags(page) ( \
  29         (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
  30         (RECLAIM_WB_ASYNC) \
  31         )
  32
  33 #define trace_shrink_flags(file) \
  34         ( \
  35                 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
  36                 (RECLAIM_WB_ASYNC) \
  37         )
  38
  39 TRACE_EVENT(mm_vmscan_kswapd_sleep,
  40
  41         TP_PROTO(int nid),
  42
  43         TP_ARGS(nid),
  44
  45         TP_STRUCT__entry(
  46                 __field(        int,    nid     )
  47         ),
  48
  49         TP_fast_assign(
  50                 __entry->nid    = nid;
  51         ),
  52
  53         TP_printk("nid=%d", __entry->nid)
  54 );
  55
  56 TRACE_EVENT(mm_vmscan_kswapd_wake,
  57
  58         TP_PROTO(int nid, int zid, int order),
  59
  60         TP_ARGS(nid, zid, order),
  61
  62         TP_STRUCT__entry(
  63                 __field(        int,    nid     )
  64                 __field(        int,    zid     )
  65                 __field(        int,    order   )
  66         ),
  67
  68         TP_fast_assign(
  69                 __entry->nid    = nid;
  70                 __entry->zid    = zid;
  71                 __entry->order  = order;
  72         ),
  73
  74         TP_printk("nid=%d zid=%d order=%d", __entry->nid, __entry->zid, __entry->order)
  75 );
  76
  77 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
  78
  79         TP_PROTO(int nid, int zid, int order),
  80
  81         TP_ARGS(nid, zid, order),
  82
  83         TP_STRUCT__entry(
  84                 __field(        int,            nid     )
  85                 __field(        int,            zid     )
  86                 __field(        int,            order   )
  87         ),
  88
  89         TP_fast_assign(
  90                 __entry->nid            = nid;
  91                 __entry->zid            = zid;
  92                 __entry->order          = order;
  93         ),
  94
  95         TP_printk("nid=%d zid=%d order=%d",
  96                 __entry->nid,
  97                 __entry->zid,
  98                 __entry->order)
  99 );
 100
 101 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
 102
 103         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 104
 105         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx),
 106
 107         TP_STRUCT__entry(
 108                 __field(        int,    order           )
 109                 __field(        int,    may_writepage   )
 110                 __field(        gfp_t,  gfp_flags       )
 111                 __field(        int,    classzone_idx   )
 112         ),
 113
 114         TP_fast_assign(
 115                 __entry->order          = order;
 116                 __entry->may_writepage  = may_writepage;
 117                 __entry->gfp_flags      = gfp_flags;
 118                 __entry->classzone_idx  = classzone_idx;
 119         ),
 120
 121         TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d",
 122                 __entry->order,
 123                 __entry->may_writepage,
 124                 show_gfp_flags(__entry->gfp_flags),
 125                 __entry->classzone_idx)
 126 );
 127
 128 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
 129
 130         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 131
 132         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 133 );
 134
 135 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
 136
 137         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 138
 139         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 140 );
 141
 142 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 143
 144         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
 145
 146         TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
 147 );
 148
 149 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
 150
 151         TP_PROTO(unsigned long nr_reclaimed),
 152
 153         TP_ARGS(nr_reclaimed),
 154
 155         TP_STRUCT__entry(
 156                 __field(        unsigned long,  nr_reclaimed    )
 157         ),
 158
 159         TP_fast_assign(
 160                 __entry->nr_reclaimed   = nr_reclaimed;
 161         ),
 162
 163         TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
 164 );
 165
 166 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
 167
 168         TP_PROTO(unsigned long nr_reclaimed),
 169
 170         TP_ARGS(nr_reclaimed)
 171 );
 172
 173 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 174
 175         TP_PROTO(unsigned long nr_reclaimed),
 176
 177         TP_ARGS(nr_reclaimed)
 178 );
 179
 180 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 181
 182         TP_PROTO(unsigned long nr_reclaimed),
 183
 184         TP_ARGS(nr_reclaimed)
 185 );
 186
 187 TRACE_EVENT(mm_shrink_slab_start,
 188         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 189                 long nr_objects_to_shrink, unsigned long pgs_scanned,
 190                 unsigned long lru_pgs, unsigned long cache_items,
 191                 unsigned long long delta, unsigned long total_scan),
 192
 193         TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
 194                 cache_items, delta, total_scan),
 195
 196         TP_STRUCT__entry(
 197                 __field(struct shrinker *, shr)
 198                 __field(void *, shrink)
 199                 __field(int, nid)
 200                 __field(long, nr_objects_to_shrink)
 201                 __field(gfp_t, gfp_flags)
 202                 __field(unsigned long, pgs_scanned)
 203                 __field(unsigned long, lru_pgs)
 204                 __field(unsigned long, cache_items)
 205                 __field(unsigned long long, delta)
 206                 __field(unsigned long, total_scan)
 207         ),
 208
 209         TP_fast_assign(
 210                 __entry->shr = shr;
 211                 __entry->shrink = shr->scan_objects;
 212                 __entry->nid = sc->nid;
 213                 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
 214                 __entry->gfp_flags = sc->gfp_mask;
 215                 __entry->pgs_scanned = pgs_scanned;
 216                 __entry->lru_pgs = lru_pgs;
 217                 __entry->cache_items = cache_items;
 218                 __entry->delta = delta;
 219                 __entry->total_scan = total_scan;
 220         ),
 221
 222         TP_printk("%pF %p: nid: %d objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld",
 223                 __entry->shrink,
 224                 __entry->shr,
 225                 __entry->nid,
 226                 __entry->nr_objects_to_shrink,
 227                 show_gfp_flags(__entry->gfp_flags),
 228                 __entry->pgs_scanned,
 229                 __entry->lru_pgs,
 230                 __entry->cache_items,
 231                 __entry->delta,
 232                 __entry->total_scan)
 233 );
 234
 235 TRACE_EVENT(mm_shrink_slab_end,
 236         TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
 237                 long unused_scan_cnt, long new_scan_cnt, long total_scan),
 238
 239         TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
 240                 total_scan),
 241
 242         TP_STRUCT__entry(
 243                 __field(struct shrinker *, shr)
 244                 __field(int, nid)
 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                 __entry->shr = shr;
 254                 __entry->nid = nid;
 255                 __entry->shrink = shr->scan_objects;
 256                 __entry->unused_scan = unused_scan_cnt;
 257                 __entry->new_scan = new_scan_cnt;
 258                 __entry->retval = shrinker_retval;
 259                 __entry->total_scan = total_scan;
 260         ),
 261
 262         TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 263                 __entry->shrink,
 264                 __entry->shr,
 265                 __entry->nid,
 266                 __entry->unused_scan,
 267                 __entry->new_scan,
 268                 __entry->total_scan,
 269                 __entry->retval)
 270 );
 271
 272 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 273
 274         TP_PROTO(int classzone_idx,
 275                 int order,
 276                 unsigned long nr_requested,
 277                 unsigned long nr_scanned,
 278                 unsigned long nr_taken,
 279                 isolate_mode_t isolate_mode,
 280                 int file),
 281
 282         TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_taken, isolate_mode, file),
 283
 284         TP_STRUCT__entry(
 285                 __field(int, classzone_idx)
 286                 __field(int, order)
 287                 __field(unsigned long, nr_requested)
 288                 __field(unsigned long, nr_scanned)
 289                 __field(unsigned long, nr_taken)
 290                 __field(isolate_mode_t, isolate_mode)
 291                 __field(int, file)
 292         ),
 293
 294         TP_fast_assign(
 295                 __entry->classzone_idx = classzone_idx;
 296                 __entry->order = order;
 297                 __entry->nr_requested = nr_requested;
 298                 __entry->nr_scanned = nr_scanned;
 299                 __entry->nr_taken = nr_taken;
 300                 __entry->isolate_mode = isolate_mode;
 301                 __entry->file = file;
 302         ),
 303
 304         TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
 305                 __entry->isolate_mode,
 306                 __entry->classzone_idx,
 307                 __entry->order,
 308                 __entry->nr_requested,
 309                 __entry->nr_scanned,
 310                 __entry->nr_taken,
 311                 __entry->file)
 312 );
 313
 314 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
 315
 316         TP_PROTO(int classzone_idx,
 317                 int order,
 318                 unsigned long nr_requested,
 319                 unsigned long nr_scanned,
 320                 unsigned long nr_taken,
 321                 isolate_mode_t isolate_mode,
 322                 int file),
 323
 324         TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
 325
 326 );
 327
 328 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
 329
 330         TP_PROTO(int classzone_idx,
 331                 int order,
 332                 unsigned long nr_requested,
 333                 unsigned long nr_scanned,
 334                 unsigned long nr_taken,
 335                 isolate_mode_t isolate_mode,
 336                 int file),
 337
 338         TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
 339
 340 );
 341
 342 TRACE_EVENT(mm_vmscan_writepage,
 343
 344         TP_PROTO(struct page *page),
 345
 346         TP_ARGS(page),
 347
 348         TP_STRUCT__entry(
 349                 __field(unsigned long, pfn)
 350                 __field(int, reclaim_flags)
 351         ),
 352
 353         TP_fast_assign(
 354                 __entry->pfn = page_to_pfn(page);
 355                 __entry->reclaim_flags = trace_reclaim_flags(page);
 356         ),
 357
 358         TP_printk("page=%p pfn=%lu flags=%s",
 359                 pfn_to_page(__entry->pfn),
 360                 __entry->pfn,
 361                 show_reclaim_flags(__entry->reclaim_flags))
 362 );
 363
 364 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 365
 366         TP_PROTO(int nid,
 367                 unsigned long nr_scanned, unsigned long nr_reclaimed,
 368                 int priority, int file),
 369
 370         TP_ARGS(nid, nr_scanned, nr_reclaimed, priority, file),
 371
 372         TP_STRUCT__entry(
 373                 __field(int, nid)
 374                 __field(unsigned long, nr_scanned)
 375                 __field(unsigned long, nr_reclaimed)
 376                 __field(int, priority)
 377                 __field(int, reclaim_flags)
 378         ),
 379
 380         TP_fast_assign(
 381                 __entry->nid = nid;
 382                 __entry->nr_scanned = nr_scanned;
 383                 __entry->nr_reclaimed = nr_reclaimed;
 384                 __entry->priority = priority;
 385                 __entry->reclaim_flags = trace_shrink_flags(file);
 386         ),
 387
 388         TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
 389                 __entry->nid,
 390                 __entry->nr_scanned, __entry->nr_reclaimed,
 391                 __entry->priority,
 392                 show_reclaim_flags(__entry->reclaim_flags))
 393 );
 394
 395 #endif /* _TRACE_VMSCAN_H */
 396
 397 /* This part must be outside protection */
 398 #include <trace/define_trace.h>