1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM vmscan 4 5 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_VMSCAN_H 7 8 #include <linux/types.h> 9 #include <linux/tracepoint.h> 10 #include <linux/mm.h> 11 #include <linux/memcontrol.h> 12 #include <trace/events/mmflags.h> 13 14 #define RECLAIM_WB_ANON 0x0001u 15 #define RECLAIM_WB_FILE 0x0002u 16 #define RECLAIM_WB_MIXED 0x0010u 17 #define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */ 18 #define RECLAIM_WB_ASYNC 0x0008u 19 #define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE) 20 21 #define show_reclaim_flags(flags) \ 22 (flags) ? __print_flags(flags, "|", \ 23 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \ 24 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \ 25 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \ 26 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \ 27 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \ 28 ) : "RECLAIM_WB_NONE" 29 30 #define trace_reclaim_flags(file) ( \ 31 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 32 (RECLAIM_WB_ASYNC) \ 33 ) 34 35 TRACE_EVENT(mm_vmscan_kswapd_sleep, 36 37 TP_PROTO(int nid), 38 39 TP_ARGS(nid), 40 41 TP_STRUCT__entry( 42 __field( int, nid ) 43 ), 44 45 TP_fast_assign( 46 __entry->nid = nid; 47 ), 48 49 TP_printk("nid=%d", __entry->nid) 50 ); 51 52 TRACE_EVENT(mm_vmscan_kswapd_wake, 53 54 TP_PROTO(int nid, int zid, int order), 55 56 TP_ARGS(nid, zid, order), 57 58 TP_STRUCT__entry( 59 __field( int, nid ) 60 __field( int, zid ) 61 __field( int, order ) 62 ), 63 64 TP_fast_assign( 65 __entry->nid = nid; 66 __entry->zid = zid; 67 __entry->order = order; 68 ), 69 70 TP_printk("nid=%d order=%d", 71 __entry->nid, 72 __entry->order) 73 ); 74 75 TRACE_EVENT(mm_vmscan_wakeup_kswapd, 76 77 TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags), 78 79 TP_ARGS(nid, zid, order, gfp_flags), 80 81 TP_STRUCT__entry( 82 __field( int, nid ) 83 __field( int, zid ) 84 __field( int, order ) 85 __field( gfp_t, gfp_flags ) 86 ), 87 88 TP_fast_assign( 89 __entry->nid = nid; 90 __entry->zid = zid; 91 __entry->order = order; 92 __entry->gfp_flags = gfp_flags; 93 ), 94 95 TP_printk("nid=%d order=%d gfp_flags=%s", 96 __entry->nid, 97 __entry->order, 98 show_gfp_flags(__entry->gfp_flags)) 99 ); 100 101 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, 102 103 TP_PROTO(int order, gfp_t gfp_flags), 104 105 TP_ARGS(order, gfp_flags), 106 107 TP_STRUCT__entry( 108 __field( int, order ) 109 __field( gfp_t, gfp_flags ) 110 ), 111 112 TP_fast_assign( 113 __entry->order = order; 114 __entry->gfp_flags = gfp_flags; 115 ), 116 117 TP_printk("order=%d gfp_flags=%s", 118 __entry->order, 119 show_gfp_flags(__entry->gfp_flags)) 120 ); 121 122 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, 123 124 TP_PROTO(int order, gfp_t gfp_flags), 125 126 TP_ARGS(order, gfp_flags) 127 ); 128 129 #ifdef CONFIG_MEMCG 130 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin, 131 132 TP_PROTO(int order, gfp_t gfp_flags), 133 134 TP_ARGS(order, 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, gfp_t gfp_flags), 140 141 TP_ARGS(order, gfp_flags) 142 ); 143 #endif /* CONFIG_MEMCG */ 144 145 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template, 146 147 TP_PROTO(unsigned long nr_reclaimed), 148 149 TP_ARGS(nr_reclaimed), 150 151 TP_STRUCT__entry( 152 __field( unsigned long, nr_reclaimed ) 153 ), 154 155 TP_fast_assign( 156 __entry->nr_reclaimed = nr_reclaimed; 157 ), 158 159 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed) 160 ); 161 162 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end, 163 164 TP_PROTO(unsigned long nr_reclaimed), 165 166 TP_ARGS(nr_reclaimed) 167 ); 168 169 #ifdef CONFIG_MEMCG 170 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end, 171 172 TP_PROTO(unsigned long nr_reclaimed), 173 174 TP_ARGS(nr_reclaimed) 175 ); 176 177 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end, 178 179 TP_PROTO(unsigned long nr_reclaimed), 180 181 TP_ARGS(nr_reclaimed) 182 ); 183 #endif /* CONFIG_MEMCG */ 184 185 TRACE_EVENT(mm_shrink_slab_start, 186 TP_PROTO(struct shrinker *shr, struct shrink_control *sc, 187 long nr_objects_to_shrink, unsigned long cache_items, 188 unsigned long long delta, unsigned long total_scan, 189 int priority), 190 191 TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan, 192 priority), 193 194 TP_STRUCT__entry( 195 __field(struct shrinker *, shr) 196 __field(void *, shrink) 197 __field(int, nid) 198 __field(long, nr_objects_to_shrink) 199 __field(gfp_t, gfp_flags) 200 __field(unsigned long, cache_items) 201 __field(unsigned long long, delta) 202 __field(unsigned long, total_scan) 203 __field(int, priority) 204 ), 205 206 TP_fast_assign( 207 __entry->shr = shr; 208 __entry->shrink = shr->scan_objects; 209 __entry->nid = sc->nid; 210 __entry->nr_objects_to_shrink = nr_objects_to_shrink; 211 __entry->gfp_flags = sc->gfp_mask; 212 __entry->cache_items = cache_items; 213 __entry->delta = delta; 214 __entry->total_scan = total_scan; 215 __entry->priority = priority; 216 ), 217 218 TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d", 219 __entry->shrink, 220 __entry->shr, 221 __entry->nid, 222 __entry->nr_objects_to_shrink, 223 show_gfp_flags(__entry->gfp_flags), 224 __entry->cache_items, 225 __entry->delta, 226 __entry->total_scan, 227 __entry->priority) 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("%pS %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 TRACE_EVENT(mm_vmscan_lru_isolate, 268 TP_PROTO(int highest_zoneidx, 269 int order, 270 unsigned long nr_requested, 271 unsigned long nr_scanned, 272 unsigned long nr_skipped, 273 unsigned long nr_taken, 274 isolate_mode_t isolate_mode, 275 int lru), 276 277 TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru), 278 279 TP_STRUCT__entry( 280 __field(int, highest_zoneidx) 281 __field(int, order) 282 __field(unsigned long, nr_requested) 283 __field(unsigned long, nr_scanned) 284 __field(unsigned long, nr_skipped) 285 __field(unsigned long, nr_taken) 286 __field(isolate_mode_t, isolate_mode) 287 __field(int, lru) 288 ), 289 290 TP_fast_assign( 291 __entry->highest_zoneidx = highest_zoneidx; 292 __entry->order = order; 293 __entry->nr_requested = nr_requested; 294 __entry->nr_scanned = nr_scanned; 295 __entry->nr_skipped = nr_skipped; 296 __entry->nr_taken = nr_taken; 297 __entry->isolate_mode = isolate_mode; 298 __entry->lru = lru; 299 ), 300 301 /* 302 * classzone is previous name of the highest_zoneidx. 303 * Reason not to change it is the ABI requirement of the tracepoint. 304 */ 305 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s", 306 __entry->isolate_mode, 307 __entry->highest_zoneidx, 308 __entry->order, 309 __entry->nr_requested, 310 __entry->nr_scanned, 311 __entry->nr_skipped, 312 __entry->nr_taken, 313 __print_symbolic(__entry->lru, LRU_NAMES)) 314 ); 315 316 TRACE_EVENT(mm_vmscan_writepage, 317 318 TP_PROTO(struct page *page), 319 320 TP_ARGS(page), 321 322 TP_STRUCT__entry( 323 __field(unsigned long, pfn) 324 __field(int, reclaim_flags) 325 ), 326 327 TP_fast_assign( 328 __entry->pfn = page_to_pfn(page); 329 __entry->reclaim_flags = trace_reclaim_flags( 330 page_is_file_lru(page)); 331 ), 332 333 TP_printk("page=%p pfn=0x%lx flags=%s", 334 pfn_to_page(__entry->pfn), 335 __entry->pfn, 336 show_reclaim_flags(__entry->reclaim_flags)) 337 ); 338 339 TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 340 341 TP_PROTO(int nid, 342 unsigned long nr_scanned, unsigned long nr_reclaimed, 343 struct reclaim_stat *stat, int priority, int file), 344 345 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file), 346 347 TP_STRUCT__entry( 348 __field(int, nid) 349 __field(unsigned long, nr_scanned) 350 __field(unsigned long, nr_reclaimed) 351 __field(unsigned long, nr_dirty) 352 __field(unsigned long, nr_writeback) 353 __field(unsigned long, nr_congested) 354 __field(unsigned long, nr_immediate) 355 __field(unsigned int, nr_activate0) 356 __field(unsigned int, nr_activate1) 357 __field(unsigned long, nr_ref_keep) 358 __field(unsigned long, nr_unmap_fail) 359 __field(int, priority) 360 __field(int, reclaim_flags) 361 ), 362 363 TP_fast_assign( 364 __entry->nid = nid; 365 __entry->nr_scanned = nr_scanned; 366 __entry->nr_reclaimed = nr_reclaimed; 367 __entry->nr_dirty = stat->nr_dirty; 368 __entry->nr_writeback = stat->nr_writeback; 369 __entry->nr_congested = stat->nr_congested; 370 __entry->nr_immediate = stat->nr_immediate; 371 __entry->nr_activate0 = stat->nr_activate[0]; 372 __entry->nr_activate1 = stat->nr_activate[1]; 373 __entry->nr_ref_keep = stat->nr_ref_keep; 374 __entry->nr_unmap_fail = stat->nr_unmap_fail; 375 __entry->priority = priority; 376 __entry->reclaim_flags = trace_reclaim_flags(file); 377 ), 378 379 TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s", 380 __entry->nid, 381 __entry->nr_scanned, __entry->nr_reclaimed, 382 __entry->nr_dirty, __entry->nr_writeback, 383 __entry->nr_congested, __entry->nr_immediate, 384 __entry->nr_activate0, __entry->nr_activate1, 385 __entry->nr_ref_keep, __entry->nr_unmap_fail, 386 __entry->priority, 387 show_reclaim_flags(__entry->reclaim_flags)) 388 ); 389 390 TRACE_EVENT(mm_vmscan_lru_shrink_active, 391 392 TP_PROTO(int nid, unsigned long nr_taken, 393 unsigned long nr_active, unsigned long nr_deactivated, 394 unsigned long nr_referenced, int priority, int file), 395 396 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file), 397 398 TP_STRUCT__entry( 399 __field(int, nid) 400 __field(unsigned long, nr_taken) 401 __field(unsigned long, nr_active) 402 __field(unsigned long, nr_deactivated) 403 __field(unsigned long, nr_referenced) 404 __field(int, priority) 405 __field(int, reclaim_flags) 406 ), 407 408 TP_fast_assign( 409 __entry->nid = nid; 410 __entry->nr_taken = nr_taken; 411 __entry->nr_active = nr_active; 412 __entry->nr_deactivated = nr_deactivated; 413 __entry->nr_referenced = nr_referenced; 414 __entry->priority = priority; 415 __entry->reclaim_flags = trace_reclaim_flags(file); 416 ), 417 418 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", 419 __entry->nid, 420 __entry->nr_taken, 421 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced, 422 __entry->priority, 423 show_reclaim_flags(__entry->reclaim_flags)) 424 ); 425 426 TRACE_EVENT(mm_vmscan_node_reclaim_begin, 427 428 TP_PROTO(int nid, int order, gfp_t gfp_flags), 429 430 TP_ARGS(nid, order, gfp_flags), 431 432 TP_STRUCT__entry( 433 __field(int, nid) 434 __field(int, order) 435 __field(gfp_t, gfp_flags) 436 ), 437 438 TP_fast_assign( 439 __entry->nid = nid; 440 __entry->order = order; 441 __entry->gfp_flags = gfp_flags; 442 ), 443 444 TP_printk("nid=%d order=%d gfp_flags=%s", 445 __entry->nid, 446 __entry->order, 447 show_gfp_flags(__entry->gfp_flags)) 448 ); 449 450 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end, 451 452 TP_PROTO(unsigned long nr_reclaimed), 453 454 TP_ARGS(nr_reclaimed) 455 ); 456 457 #endif /* _TRACE_VMSCAN_H */ 458 459 /* This part must be outside protection */ 460 #include <trace/define_trace.h> 461