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 #define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE) 19 20 #define show_reclaim_flags(flags) \ 21 (flags) ? __print_flags(flags, "|", \ 22 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \ 23 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \ 24 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \ 25 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \ 26 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \ 27 ) : "RECLAIM_WB_NONE" 28 29 #define trace_reclaim_flags(page) ( \ 30 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 31 (RECLAIM_WB_ASYNC) \ 32 ) 33 34 #define trace_shrink_flags(file) \ 35 ( \ 36 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 37 (RECLAIM_WB_ASYNC) \ 38 ) 39 40 TRACE_EVENT(mm_vmscan_kswapd_sleep, 41 42 TP_PROTO(int nid), 43 44 TP_ARGS(nid), 45 46 TP_STRUCT__entry( 47 __field( int, nid ) 48 ), 49 50 TP_fast_assign( 51 __entry->nid = nid; 52 ), 53 54 TP_printk("nid=%d", __entry->nid) 55 ); 56 57 TRACE_EVENT(mm_vmscan_kswapd_wake, 58 59 TP_PROTO(int nid, int zid, int order), 60 61 TP_ARGS(nid, zid, order), 62 63 TP_STRUCT__entry( 64 __field( int, nid ) 65 __field( int, zid ) 66 __field( int, order ) 67 ), 68 69 TP_fast_assign( 70 __entry->nid = nid; 71 __entry->zid = zid; 72 __entry->order = order; 73 ), 74 75 TP_printk("nid=%d zid=%d order=%d", __entry->nid, __entry->zid, __entry->order) 76 ); 77 78 TRACE_EVENT(mm_vmscan_wakeup_kswapd, 79 80 TP_PROTO(int nid, int zid, int order), 81 82 TP_ARGS(nid, zid, order), 83 84 TP_STRUCT__entry( 85 __field( int, nid ) 86 __field( int, zid ) 87 __field( int, order ) 88 ), 89 90 TP_fast_assign( 91 __entry->nid = nid; 92 __entry->zid = zid; 93 __entry->order = order; 94 ), 95 96 TP_printk("nid=%d zid=%d order=%d", 97 __entry->nid, 98 __entry->zid, 99 __entry->order) 100 ); 101 102 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, 103 104 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 105 106 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx), 107 108 TP_STRUCT__entry( 109 __field( int, order ) 110 __field( int, may_writepage ) 111 __field( gfp_t, gfp_flags ) 112 __field( int, classzone_idx ) 113 ), 114 115 TP_fast_assign( 116 __entry->order = order; 117 __entry->may_writepage = may_writepage; 118 __entry->gfp_flags = gfp_flags; 119 __entry->classzone_idx = classzone_idx; 120 ), 121 122 TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d", 123 __entry->order, 124 __entry->may_writepage, 125 show_gfp_flags(__entry->gfp_flags), 126 __entry->classzone_idx) 127 ); 128 129 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, 130 131 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 132 133 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 134 ); 135 136 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin, 137 138 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 139 140 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 141 ); 142 143 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin, 144 145 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx), 146 147 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx) 148 ); 149 150 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template, 151 152 TP_PROTO(unsigned long nr_reclaimed), 153 154 TP_ARGS(nr_reclaimed), 155 156 TP_STRUCT__entry( 157 __field( unsigned long, nr_reclaimed ) 158 ), 159 160 TP_fast_assign( 161 __entry->nr_reclaimed = nr_reclaimed; 162 ), 163 164 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed) 165 ); 166 167 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end, 168 169 TP_PROTO(unsigned long nr_reclaimed), 170 171 TP_ARGS(nr_reclaimed) 172 ); 173 174 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end, 175 176 TP_PROTO(unsigned long nr_reclaimed), 177 178 TP_ARGS(nr_reclaimed) 179 ); 180 181 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end, 182 183 TP_PROTO(unsigned long nr_reclaimed), 184 185 TP_ARGS(nr_reclaimed) 186 ); 187 188 TRACE_EVENT(mm_shrink_slab_start, 189 TP_PROTO(struct shrinker *shr, struct shrink_control *sc, 190 long nr_objects_to_shrink, unsigned long pgs_scanned, 191 unsigned long lru_pgs, unsigned long cache_items, 192 unsigned long long delta, unsigned long total_scan), 193 194 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs, 195 cache_items, delta, total_scan), 196 197 TP_STRUCT__entry( 198 __field(struct shrinker *, shr) 199 __field(void *, shrink) 200 __field(int, nid) 201 __field(long, nr_objects_to_shrink) 202 __field(gfp_t, gfp_flags) 203 __field(unsigned long, pgs_scanned) 204 __field(unsigned long, lru_pgs) 205 __field(unsigned long, cache_items) 206 __field(unsigned long long, delta) 207 __field(unsigned long, total_scan) 208 ), 209 210 TP_fast_assign( 211 __entry->shr = shr; 212 __entry->shrink = shr->scan_objects; 213 __entry->nid = sc->nid; 214 __entry->nr_objects_to_shrink = nr_objects_to_shrink; 215 __entry->gfp_flags = sc->gfp_mask; 216 __entry->pgs_scanned = pgs_scanned; 217 __entry->lru_pgs = lru_pgs; 218 __entry->cache_items = cache_items; 219 __entry->delta = delta; 220 __entry->total_scan = total_scan; 221 ), 222 223 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", 224 __entry->shrink, 225 __entry->shr, 226 __entry->nid, 227 __entry->nr_objects_to_shrink, 228 show_gfp_flags(__entry->gfp_flags), 229 __entry->pgs_scanned, 230 __entry->lru_pgs, 231 __entry->cache_items, 232 __entry->delta, 233 __entry->total_scan) 234 ); 235 236 TRACE_EVENT(mm_shrink_slab_end, 237 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval, 238 long unused_scan_cnt, long new_scan_cnt, long total_scan), 239 240 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt, 241 total_scan), 242 243 TP_STRUCT__entry( 244 __field(struct shrinker *, shr) 245 __field(int, nid) 246 __field(void *, shrink) 247 __field(long, unused_scan) 248 __field(long, new_scan) 249 __field(int, retval) 250 __field(long, total_scan) 251 ), 252 253 TP_fast_assign( 254 __entry->shr = shr; 255 __entry->nid = nid; 256 __entry->shrink = shr->scan_objects; 257 __entry->unused_scan = unused_scan_cnt; 258 __entry->new_scan = new_scan_cnt; 259 __entry->retval = shrinker_retval; 260 __entry->total_scan = total_scan; 261 ), 262 263 TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d", 264 __entry->shrink, 265 __entry->shr, 266 __entry->nid, 267 __entry->unused_scan, 268 __entry->new_scan, 269 __entry->total_scan, 270 __entry->retval) 271 ); 272 273 TRACE_EVENT(mm_vmscan_lru_isolate, 274 TP_PROTO(int classzone_idx, 275 int order, 276 unsigned long nr_requested, 277 unsigned long nr_scanned, 278 unsigned long nr_skipped, 279 unsigned long nr_taken, 280 isolate_mode_t isolate_mode, 281 int lru), 282 283 TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru), 284 285 TP_STRUCT__entry( 286 __field(int, classzone_idx) 287 __field(int, order) 288 __field(unsigned long, nr_requested) 289 __field(unsigned long, nr_scanned) 290 __field(unsigned long, nr_skipped) 291 __field(unsigned long, nr_taken) 292 __field(isolate_mode_t, isolate_mode) 293 __field(int, lru) 294 ), 295 296 TP_fast_assign( 297 __entry->classzone_idx = classzone_idx; 298 __entry->order = order; 299 __entry->nr_requested = nr_requested; 300 __entry->nr_scanned = nr_scanned; 301 __entry->nr_skipped = nr_skipped; 302 __entry->nr_taken = nr_taken; 303 __entry->isolate_mode = isolate_mode; 304 __entry->lru = lru; 305 ), 306 307 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s", 308 __entry->isolate_mode, 309 __entry->classzone_idx, 310 __entry->order, 311 __entry->nr_requested, 312 __entry->nr_scanned, 313 __entry->nr_skipped, 314 __entry->nr_taken, 315 __print_symbolic(__entry->lru, LRU_NAMES)) 316 ); 317 318 TRACE_EVENT(mm_vmscan_writepage, 319 320 TP_PROTO(struct page *page), 321 322 TP_ARGS(page), 323 324 TP_STRUCT__entry( 325 __field(unsigned long, pfn) 326 __field(int, reclaim_flags) 327 ), 328 329 TP_fast_assign( 330 __entry->pfn = page_to_pfn(page); 331 __entry->reclaim_flags = trace_reclaim_flags(page); 332 ), 333 334 TP_printk("page=%p pfn=%lu flags=%s", 335 pfn_to_page(__entry->pfn), 336 __entry->pfn, 337 show_reclaim_flags(__entry->reclaim_flags)) 338 ); 339 340 TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 341 342 TP_PROTO(int nid, 343 unsigned long nr_scanned, unsigned long nr_reclaimed, 344 unsigned long nr_dirty, unsigned long nr_writeback, 345 unsigned long nr_congested, unsigned long nr_immediate, 346 unsigned long nr_activate, unsigned long nr_ref_keep, 347 unsigned long nr_unmap_fail, 348 int priority, int file), 349 350 TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback, 351 nr_congested, nr_immediate, nr_activate, nr_ref_keep, 352 nr_unmap_fail, priority, file), 353 354 TP_STRUCT__entry( 355 __field(int, nid) 356 __field(unsigned long, nr_scanned) 357 __field(unsigned long, nr_reclaimed) 358 __field(unsigned long, nr_dirty) 359 __field(unsigned long, nr_writeback) 360 __field(unsigned long, nr_congested) 361 __field(unsigned long, nr_immediate) 362 __field(unsigned long, nr_activate) 363 __field(unsigned long, nr_ref_keep) 364 __field(unsigned long, nr_unmap_fail) 365 __field(int, priority) 366 __field(int, reclaim_flags) 367 ), 368 369 TP_fast_assign( 370 __entry->nid = nid; 371 __entry->nr_scanned = nr_scanned; 372 __entry->nr_reclaimed = nr_reclaimed; 373 __entry->nr_dirty = nr_dirty; 374 __entry->nr_writeback = nr_writeback; 375 __entry->nr_congested = nr_congested; 376 __entry->nr_immediate = nr_immediate; 377 __entry->nr_activate = nr_activate; 378 __entry->nr_ref_keep = nr_ref_keep; 379 __entry->nr_unmap_fail = nr_unmap_fail; 380 __entry->priority = priority; 381 __entry->reclaim_flags = trace_shrink_flags(file); 382 ), 383 384 TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate=%ld nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s", 385 __entry->nid, 386 __entry->nr_scanned, __entry->nr_reclaimed, 387 __entry->nr_dirty, __entry->nr_writeback, 388 __entry->nr_congested, __entry->nr_immediate, 389 __entry->nr_activate, __entry->nr_ref_keep, 390 __entry->nr_unmap_fail, __entry->priority, 391 show_reclaim_flags(__entry->reclaim_flags)) 392 ); 393 394 TRACE_EVENT(mm_vmscan_lru_shrink_active, 395 396 TP_PROTO(int nid, unsigned long nr_taken, 397 unsigned long nr_active, unsigned long nr_deactivated, 398 unsigned long nr_referenced, int priority, int file), 399 400 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file), 401 402 TP_STRUCT__entry( 403 __field(int, nid) 404 __field(unsigned long, nr_taken) 405 __field(unsigned long, nr_active) 406 __field(unsigned long, nr_deactivated) 407 __field(unsigned long, nr_referenced) 408 __field(int, priority) 409 __field(int, reclaim_flags) 410 ), 411 412 TP_fast_assign( 413 __entry->nid = nid; 414 __entry->nr_taken = nr_taken; 415 __entry->nr_active = nr_active; 416 __entry->nr_deactivated = nr_deactivated; 417 __entry->nr_referenced = nr_referenced; 418 __entry->priority = priority; 419 __entry->reclaim_flags = trace_shrink_flags(file); 420 ), 421 422 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", 423 __entry->nid, 424 __entry->nr_taken, 425 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced, 426 __entry->priority, 427 show_reclaim_flags(__entry->reclaim_flags)) 428 ); 429 430 TRACE_EVENT(mm_vmscan_inactive_list_is_low, 431 432 TP_PROTO(int nid, int reclaim_idx, 433 unsigned long total_inactive, unsigned long inactive, 434 unsigned long total_active, unsigned long active, 435 unsigned long ratio, int file), 436 437 TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file), 438 439 TP_STRUCT__entry( 440 __field(int, nid) 441 __field(int, reclaim_idx) 442 __field(unsigned long, total_inactive) 443 __field(unsigned long, inactive) 444 __field(unsigned long, total_active) 445 __field(unsigned long, active) 446 __field(unsigned long, ratio) 447 __field(int, reclaim_flags) 448 ), 449 450 TP_fast_assign( 451 __entry->nid = nid; 452 __entry->reclaim_idx = reclaim_idx; 453 __entry->total_inactive = total_inactive; 454 __entry->inactive = inactive; 455 __entry->total_active = total_active; 456 __entry->active = active; 457 __entry->ratio = ratio; 458 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU; 459 ), 460 461 TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s", 462 __entry->nid, 463 __entry->reclaim_idx, 464 __entry->total_inactive, __entry->inactive, 465 __entry->total_active, __entry->active, 466 __entry->ratio, 467 show_reclaim_flags(__entry->reclaim_flags)) 468 ); 469 #endif /* _TRACE_VMSCAN_H */ 470 471 /* This part must be outside protection */ 472 #include <trace/define_trace.h> 473