kernel/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/gfpflags.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 order),
  59
  60         TP_ARGS(nid, order),
  61
  62         TP_STRUCT__entry(
  63                 __field(        int,    nid     )
  64                 __field(        int,    order   )
  65         ),
  66
  67         TP_fast_assign(
  68                 __entry->nid    = nid;
  69                 __entry->order  = order;
  70         ),
  71
  72         TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
  73 );
  74
  75 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
  76
  77         TP_PROTO(int nid, int zid, int order),
  78
  79         TP_ARGS(nid, zid, order),
  80
  81         TP_STRUCT__entry(
  82                 __field(        int,            nid     )
  83                 __field(        int,            zid     )
  84                 __field(        int,            order   )
  85         ),
  86
  87         TP_fast_assign(
  88                 __entry->nid            = nid;
  89                 __entry->zid            = zid;
  90                 __entry->order          = order;
  91         ),
  92
  93         TP_printk("nid=%d zid=%d order=%d",
  94                 __entry->nid,
  95                 __entry->zid,
  96                 __entry->order)
  97 );
  98
  99 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
 100
 101         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 102
 103         TP_ARGS(order, may_writepage, gfp_flags),
 104
 105         TP_STRUCT__entry(
 106                 __field(        int,    order           )
 107                 __field(        int,    may_writepage   )
 108                 __field(        gfp_t,  gfp_flags       )
 109         ),
 110
 111         TP_fast_assign(
 112                 __entry->order          = order;
 113                 __entry->may_writepage  = may_writepage;
 114                 __entry->gfp_flags      = gfp_flags;
 115         ),
 116
 117         TP_printk("order=%d may_writepage=%d gfp_flags=%s",
 118                 __entry->order,
 119                 __entry->may_writepage,
 120                 show_gfp_flags(__entry->gfp_flags))
 121 );
 122
 123 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
 124
 125         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 126
 127         TP_ARGS(order, may_writepage, gfp_flags)
 128 );
 129
 130 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
 131
 132         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 133
 134         TP_ARGS(order, may_writepage, gfp_flags)
 135 );
 136
 137 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
 138
 139         TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
 140
 141         TP_ARGS(order, may_writepage, gfp_flags)
 142 );
 143
 144 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
 145
 146         TP_PROTO(unsigned long nr_reclaimed),
 147
 148         TP_ARGS(nr_reclaimed),
 149
 150         TP_STRUCT__entry(
 151                 __field(        unsigned long,  nr_reclaimed    )
 152         ),
 153
 154         TP_fast_assign(
 155                 __entry->nr_reclaimed   = nr_reclaimed;
 156         ),
 157
 158         TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
 159 );
 160
 161 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
 162
 163         TP_PROTO(unsigned long nr_reclaimed),
 164
 165         TP_ARGS(nr_reclaimed)
 166 );
 167
 168 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
 169
 170         TP_PROTO(unsigned long nr_reclaimed),
 171
 172         TP_ARGS(nr_reclaimed)
 173 );
 174
 175 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
 176
 177         TP_PROTO(unsigned long nr_reclaimed),
 178
 179         TP_ARGS(nr_reclaimed)
 180 );
 181
 182 TRACE_EVENT(mm_shrink_slab_start,
 183         TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 184                 long nr_objects_to_shrink, unsigned long pgs_scanned,
 185                 unsigned long lru_pgs, unsigned long cache_items,
 186                 unsigned long long delta, unsigned long total_scan),
 187
 188         TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
 189                 cache_items, delta, total_scan),
 190
 191         TP_STRUCT__entry(
 192                 __field(struct shrinker *, shr)
 193                 __field(void *, shrink)
 194                 __field(int, nid)
 195                 __field(long, nr_objects_to_shrink)
 196                 __field(gfp_t, gfp_flags)
 197                 __field(unsigned long, pgs_scanned)
 198                 __field(unsigned long, lru_pgs)
 199                 __field(unsigned long, cache_items)
 200                 __field(unsigned long long, delta)
 201                 __field(unsigned long, total_scan)
 202         ),
 203
 204         TP_fast_assign(
 205                 __entry->shr = shr;
 206                 __entry->shrink = shr->scan_objects;
 207                 __entry->nid = sc->nid;
 208                 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
 209                 __entry->gfp_flags = sc->gfp_mask;
 210                 __entry->pgs_scanned = pgs_scanned;
 211                 __entry->lru_pgs = lru_pgs;
 212                 __entry->cache_items = cache_items;
 213                 __entry->delta = delta;
 214                 __entry->total_scan = total_scan;
 215         ),
 216
 217         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",
 218                 __entry->shrink,
 219                 __entry->shr,
 220                 __entry->nid,
 221                 __entry->nr_objects_to_shrink,
 222                 show_gfp_flags(__entry->gfp_flags),
 223                 __entry->pgs_scanned,
 224                 __entry->lru_pgs,
 225                 __entry->cache_items,
 226                 __entry->delta,
 227                 __entry->total_scan)
 228 );
 229
 230 TRACE_EVENT(mm_shrink_slab_end,
 231         TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
 232                 long unused_scan_cnt, long new_scan_cnt, long total_scan),
 233
 234         TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
 235                 total_scan),
 236
 237         TP_STRUCT__entry(
 238                 __field(struct shrinker *, shr)
 239                 __field(int, nid)
 240                 __field(void *, shrink)
 241                 __field(long, unused_scan)
 242                 __field(long, new_scan)
 243                 __field(int, retval)
 244                 __field(long, total_scan)
 245         ),
 246
 247         TP_fast_assign(
 248                 __entry->shr = shr;
 249                 __entry->nid = nid;
 250                 __entry->shrink = shr->scan_objects;
 251                 __entry->unused_scan = unused_scan_cnt;
 252                 __entry->new_scan = new_scan_cnt;
 253                 __entry->retval = shrinker_retval;
 254                 __entry->total_scan = total_scan;
 255         ),
 256
 257         TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
 258                 __entry->shrink,
 259                 __entry->shr,
 260                 __entry->nid,
 261                 __entry->unused_scan,
 262                 __entry->new_scan,
 263                 __entry->total_scan,
 264                 __entry->retval)
 265 );
 266
 267 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 268
 269         TP_PROTO(int order,
 270                 unsigned long nr_requested,
 271                 unsigned long nr_scanned,
 272                 unsigned long nr_taken,
 273                 isolate_mode_t isolate_mode,
 274                 int file),
 275
 276         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file),
 277
 278         TP_STRUCT__entry(
 279                 __field(int, order)
 280                 __field(unsigned long, nr_requested)
 281                 __field(unsigned long, nr_scanned)
 282                 __field(unsigned long, nr_taken)
 283                 __field(isolate_mode_t, isolate_mode)
 284                 __field(int, file)
 285         ),
 286
 287         TP_fast_assign(
 288                 __entry->order = order;
 289                 __entry->nr_requested = nr_requested;
 290                 __entry->nr_scanned = nr_scanned;
 291                 __entry->nr_taken = nr_taken;
 292                 __entry->isolate_mode = isolate_mode;
 293                 __entry->file = file;
 294         ),
 295
 296         TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
 297                 __entry->isolate_mode,
 298                 __entry->order,
 299                 __entry->nr_requested,
 300                 __entry->nr_scanned,
 301                 __entry->nr_taken,
 302                 __entry->file)
 303 );
 304
 305 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
 306
 307         TP_PROTO(int order,
 308                 unsigned long nr_requested,
 309                 unsigned long nr_scanned,
 310                 unsigned long nr_taken,
 311                 isolate_mode_t isolate_mode,
 312                 int file),
 313
 314         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
 315
 316 );
 317
 318 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
 319
 320         TP_PROTO(int order,
 321                 unsigned long nr_requested,
 322                 unsigned long nr_scanned,
 323                 unsigned long nr_taken,
 324                 isolate_mode_t isolate_mode,
 325                 int file),
 326
 327         TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
 328
 329 );
 330
 331 TRACE_EVENT(mm_vmscan_writepage,
 332
 333         TP_PROTO(struct page *page,
 334                 int reclaim_flags),
 335
 336         TP_ARGS(page, reclaim_flags),
 337
 338         TP_STRUCT__entry(
 339                 __field(unsigned long, pfn)
 340                 __field(int, reclaim_flags)
 341         ),
 342
 343         TP_fast_assign(
 344                 __entry->pfn = page_to_pfn(page);
 345                 __entry->reclaim_flags = reclaim_flags;
 346         ),
 347
 348         TP_printk("page=%p pfn=%lu flags=%s",
 349                 pfn_to_page(__entry->pfn),
 350                 __entry->pfn,
 351                 show_reclaim_flags(__entry->reclaim_flags))
 352 );
 353
 354 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 355
 356         TP_PROTO(int nid, int zid,
 357                         unsigned long nr_scanned, unsigned long nr_reclaimed,
 358                         int priority, int reclaim_flags),
 359
 360         TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
 361
 362         TP_STRUCT__entry(
 363                 __field(int, nid)
 364                 __field(int, zid)
 365                 __field(unsigned long, nr_scanned)
 366                 __field(unsigned long, nr_reclaimed)
 367                 __field(int, priority)
 368                 __field(int, reclaim_flags)
 369         ),
 370
 371         TP_fast_assign(
 372                 __entry->nid = nid;
 373                 __entry->zid = zid;
 374                 __entry->nr_scanned = nr_scanned;
 375                 __entry->nr_reclaimed = nr_reclaimed;
 376                 __entry->priority = priority;
 377                 __entry->reclaim_flags = reclaim_flags;
 378         ),
 379
 380         TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
 381                 __entry->nid, __entry->zid,
 382                 __entry->nr_scanned, __entry->nr_reclaimed,
 383                 __entry->priority,
 384                 show_reclaim_flags(__entry->reclaim_flags))
 385 );
 386
 387 #endif /* _TRACE_VMSCAN_H */
 388
 389 /* This part must be outside protection */
 390 #include <trace/define_trace.h>