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 "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 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, sync) ( \ 29 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 30 (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \ 31 ) 32 33 #define trace_shrink_flags(file, sync) ( \ 34 (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_MIXED : \ 35 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON)) | \ 36 (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : 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(long, nr_objects_to_shrink) 195 __field(gfp_t, gfp_flags) 196 __field(unsigned long, pgs_scanned) 197 __field(unsigned long, lru_pgs) 198 __field(unsigned long, cache_items) 199 __field(unsigned long long, delta) 200 __field(unsigned long, total_scan) 201 ), 202 203 TP_fast_assign( 204 __entry->shr = shr; 205 __entry->shrink = shr->shrink; 206 __entry->nr_objects_to_shrink = nr_objects_to_shrink; 207 __entry->gfp_flags = sc->gfp_mask; 208 __entry->pgs_scanned = pgs_scanned; 209 __entry->lru_pgs = lru_pgs; 210 __entry->cache_items = cache_items; 211 __entry->delta = delta; 212 __entry->total_scan = total_scan; 213 ), 214 215 TP_printk("%pF %p: objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld", 216 __entry->shrink, 217 __entry->shr, 218 __entry->nr_objects_to_shrink, 219 show_gfp_flags(__entry->gfp_flags), 220 __entry->pgs_scanned, 221 __entry->lru_pgs, 222 __entry->cache_items, 223 __entry->delta, 224 __entry->total_scan) 225 ); 226 227 TRACE_EVENT(mm_shrink_slab_end, 228 TP_PROTO(struct shrinker *shr, int shrinker_retval, 229 long unused_scan_cnt, long new_scan_cnt), 230 231 TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt), 232 233 TP_STRUCT__entry( 234 __field(struct shrinker *, shr) 235 __field(void *, shrink) 236 __field(long, unused_scan) 237 __field(long, new_scan) 238 __field(int, retval) 239 __field(long, total_scan) 240 ), 241 242 TP_fast_assign( 243 __entry->shr = shr; 244 __entry->shrink = shr->shrink; 245 __entry->unused_scan = unused_scan_cnt; 246 __entry->new_scan = new_scan_cnt; 247 __entry->retval = shrinker_retval; 248 __entry->total_scan = new_scan_cnt - unused_scan_cnt; 249 ), 250 251 TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d", 252 __entry->shrink, 253 __entry->shr, 254 __entry->unused_scan, 255 __entry->new_scan, 256 __entry->total_scan, 257 __entry->retval) 258 ); 259 260 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template, 261 262 TP_PROTO(int order, 263 unsigned long nr_requested, 264 unsigned long nr_scanned, 265 unsigned long nr_taken, 266 unsigned long nr_lumpy_taken, 267 unsigned long nr_lumpy_dirty, 268 unsigned long nr_lumpy_failed, 269 int isolate_mode), 270 271 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode), 272 273 TP_STRUCT__entry( 274 __field(int, order) 275 __field(unsigned long, nr_requested) 276 __field(unsigned long, nr_scanned) 277 __field(unsigned long, nr_taken) 278 __field(unsigned long, nr_lumpy_taken) 279 __field(unsigned long, nr_lumpy_dirty) 280 __field(unsigned long, nr_lumpy_failed) 281 __field(int, isolate_mode) 282 ), 283 284 TP_fast_assign( 285 __entry->order = order; 286 __entry->nr_requested = nr_requested; 287 __entry->nr_scanned = nr_scanned; 288 __entry->nr_taken = nr_taken; 289 __entry->nr_lumpy_taken = nr_lumpy_taken; 290 __entry->nr_lumpy_dirty = nr_lumpy_dirty; 291 __entry->nr_lumpy_failed = nr_lumpy_failed; 292 __entry->isolate_mode = isolate_mode; 293 ), 294 295 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu", 296 __entry->isolate_mode, 297 __entry->order, 298 __entry->nr_requested, 299 __entry->nr_scanned, 300 __entry->nr_taken, 301 __entry->nr_lumpy_taken, 302 __entry->nr_lumpy_dirty, 303 __entry->nr_lumpy_failed) 304 ); 305 306 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate, 307 308 TP_PROTO(int order, 309 unsigned long nr_requested, 310 unsigned long nr_scanned, 311 unsigned long nr_taken, 312 unsigned long nr_lumpy_taken, 313 unsigned long nr_lumpy_dirty, 314 unsigned long nr_lumpy_failed, 315 int isolate_mode), 316 317 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode) 318 319 ); 320 321 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate, 322 323 TP_PROTO(int order, 324 unsigned long nr_requested, 325 unsigned long nr_scanned, 326 unsigned long nr_taken, 327 unsigned long nr_lumpy_taken, 328 unsigned long nr_lumpy_dirty, 329 unsigned long nr_lumpy_failed, 330 int isolate_mode), 331 332 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode) 333 334 ); 335 336 TRACE_EVENT(mm_vmscan_writepage, 337 338 TP_PROTO(struct page *page, 339 int reclaim_flags), 340 341 TP_ARGS(page, reclaim_flags), 342 343 TP_STRUCT__entry( 344 __field(struct page *, page) 345 __field(int, reclaim_flags) 346 ), 347 348 TP_fast_assign( 349 __entry->page = page; 350 __entry->reclaim_flags = reclaim_flags; 351 ), 352 353 TP_printk("page=%p pfn=%lu flags=%s", 354 __entry->page, 355 page_to_pfn(__entry->page), 356 show_reclaim_flags(__entry->reclaim_flags)) 357 ); 358 359 TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 360 361 TP_PROTO(int nid, int zid, 362 unsigned long nr_scanned, unsigned long nr_reclaimed, 363 int priority, int reclaim_flags), 364 365 TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags), 366 367 TP_STRUCT__entry( 368 __field(int, nid) 369 __field(int, zid) 370 __field(unsigned long, nr_scanned) 371 __field(unsigned long, nr_reclaimed) 372 __field(int, priority) 373 __field(int, reclaim_flags) 374 ), 375 376 TP_fast_assign( 377 __entry->nid = nid; 378 __entry->zid = zid; 379 __entry->nr_scanned = nr_scanned; 380 __entry->nr_reclaimed = nr_reclaimed; 381 __entry->priority = priority; 382 __entry->reclaim_flags = reclaim_flags; 383 ), 384 385 TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s", 386 __entry->nid, __entry->zid, 387 __entry->nr_scanned, __entry->nr_reclaimed, 388 __entry->priority, 389 show_reclaim_flags(__entry->reclaim_flags)) 390 ); 391 392 TRACE_EVENT(replace_swap_token, 393 TP_PROTO(struct mm_struct *old_mm, 394 struct mm_struct *new_mm), 395 396 TP_ARGS(old_mm, new_mm), 397 398 TP_STRUCT__entry( 399 __field(struct mm_struct*, old_mm) 400 __field(unsigned int, old_prio) 401 __field(struct mm_struct*, new_mm) 402 __field(unsigned int, new_prio) 403 ), 404 405 TP_fast_assign( 406 __entry->old_mm = old_mm; 407 __entry->old_prio = old_mm ? old_mm->token_priority : 0; 408 __entry->new_mm = new_mm; 409 __entry->new_prio = new_mm->token_priority; 410 ), 411 412 TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u", 413 __entry->old_mm, __entry->old_prio, 414 __entry->new_mm, __entry->new_prio) 415 ); 416 417 DECLARE_EVENT_CLASS(put_swap_token_template, 418 TP_PROTO(struct mm_struct *swap_token_mm), 419 420 TP_ARGS(swap_token_mm), 421 422 TP_STRUCT__entry( 423 __field(struct mm_struct*, swap_token_mm) 424 ), 425 426 TP_fast_assign( 427 __entry->swap_token_mm = swap_token_mm; 428 ), 429 430 TP_printk("token_mm=%p", __entry->swap_token_mm) 431 ); 432 433 DEFINE_EVENT(put_swap_token_template, put_swap_token, 434 TP_PROTO(struct mm_struct *swap_token_mm), 435 TP_ARGS(swap_token_mm) 436 ); 437 438 DEFINE_EVENT_CONDITION(put_swap_token_template, disable_swap_token, 439 TP_PROTO(struct mm_struct *swap_token_mm), 440 TP_ARGS(swap_token_mm), 441 TP_CONDITION(swap_token_mm != NULL) 442 ); 443 444 TRACE_EVENT_CONDITION(update_swap_token_priority, 445 TP_PROTO(struct mm_struct *mm, 446 unsigned int old_prio, 447 struct mm_struct *swap_token_mm), 448 449 TP_ARGS(mm, old_prio, swap_token_mm), 450 451 TP_CONDITION(mm->token_priority != old_prio), 452 453 TP_STRUCT__entry( 454 __field(struct mm_struct*, mm) 455 __field(unsigned int, old_prio) 456 __field(unsigned int, new_prio) 457 __field(struct mm_struct*, swap_token_mm) 458 __field(unsigned int, swap_token_prio) 459 ), 460 461 TP_fast_assign( 462 __entry->mm = mm; 463 __entry->old_prio = old_prio; 464 __entry->new_prio = mm->token_priority; 465 __entry->swap_token_mm = swap_token_mm; 466 __entry->swap_token_prio = swap_token_mm ? swap_token_mm->token_priority : 0; 467 ), 468 469 TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u", 470 __entry->mm, __entry->old_prio, __entry->new_prio, 471 __entry->swap_token_mm, __entry->swap_token_prio) 472 ); 473 474 #endif /* _TRACE_VMSCAN_H */ 475 476 /* This part must be outside protection */ 477 #include <trace/define_trace.h> 478