497 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM vmscan4 5#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_VMSCAN_H7 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 0x0001u15#define RECLAIM_WB_FILE 0x0002u16#define RECLAIM_WB_MIXED 0x0010u17#define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */18#define RECLAIM_WB_ASYNC 0x0008u19#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 _VMSCAN_THROTTLE_WRITEBACK (1 << VMSCAN_THROTTLE_WRITEBACK)31#define _VMSCAN_THROTTLE_ISOLATED (1 << VMSCAN_THROTTLE_ISOLATED)32#define _VMSCAN_THROTTLE_NOPROGRESS (1 << VMSCAN_THROTTLE_NOPROGRESS)33#define _VMSCAN_THROTTLE_CONGESTED (1 << VMSCAN_THROTTLE_CONGESTED)34 35#define show_throttle_flags(flags) \36 (flags) ? __print_flags(flags, "|", \37 {_VMSCAN_THROTTLE_WRITEBACK, "VMSCAN_THROTTLE_WRITEBACK"}, \38 {_VMSCAN_THROTTLE_ISOLATED, "VMSCAN_THROTTLE_ISOLATED"}, \39 {_VMSCAN_THROTTLE_NOPROGRESS, "VMSCAN_THROTTLE_NOPROGRESS"}, \40 {_VMSCAN_THROTTLE_CONGESTED, "VMSCAN_THROTTLE_CONGESTED"} \41 ) : "VMSCAN_THROTTLE_NONE"42 43 44#define trace_reclaim_flags(file) ( \45 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \46 (RECLAIM_WB_ASYNC) \47 )48 49TRACE_EVENT(mm_vmscan_kswapd_sleep,50 51 TP_PROTO(int nid),52 53 TP_ARGS(nid),54 55 TP_STRUCT__entry(56 __field( int, nid )57 ),58 59 TP_fast_assign(60 __entry->nid = nid;61 ),62 63 TP_printk("nid=%d", __entry->nid)64);65 66TRACE_EVENT(mm_vmscan_kswapd_wake,67 68 TP_PROTO(int nid, int zid, int order),69 70 TP_ARGS(nid, zid, order),71 72 TP_STRUCT__entry(73 __field( int, nid )74 __field( int, zid )75 __field( int, order )76 ),77 78 TP_fast_assign(79 __entry->nid = nid;80 __entry->zid = zid;81 __entry->order = order;82 ),83 84 TP_printk("nid=%d order=%d",85 __entry->nid,86 __entry->order)87);88 89TRACE_EVENT(mm_vmscan_wakeup_kswapd,90 91 TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags),92 93 TP_ARGS(nid, zid, order, gfp_flags),94 95 TP_STRUCT__entry(96 __field( int, nid )97 __field( int, zid )98 __field( int, order )99 __field( unsigned long, gfp_flags )100 ),101 102 TP_fast_assign(103 __entry->nid = nid;104 __entry->zid = zid;105 __entry->order = order;106 __entry->gfp_flags = (__force unsigned long)gfp_flags;107 ),108 109 TP_printk("nid=%d order=%d gfp_flags=%s",110 __entry->nid,111 __entry->order,112 show_gfp_flags(__entry->gfp_flags))113);114 115DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,116 117 TP_PROTO(int order, gfp_t gfp_flags),118 119 TP_ARGS(order, gfp_flags),120 121 TP_STRUCT__entry(122 __field( int, order )123 __field( unsigned long, gfp_flags )124 ),125 126 TP_fast_assign(127 __entry->order = order;128 __entry->gfp_flags = (__force unsigned long)gfp_flags;129 ),130 131 TP_printk("order=%d gfp_flags=%s",132 __entry->order,133 show_gfp_flags(__entry->gfp_flags))134);135 136DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,137 138 TP_PROTO(int order, gfp_t gfp_flags),139 140 TP_ARGS(order, gfp_flags)141);142 143#ifdef CONFIG_MEMCG144DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,145 146 TP_PROTO(int order, gfp_t gfp_flags),147 148 TP_ARGS(order, gfp_flags)149);150 151DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,152 153 TP_PROTO(int order, gfp_t gfp_flags),154 155 TP_ARGS(order, gfp_flags)156);157#endif /* CONFIG_MEMCG */158 159DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,160 161 TP_PROTO(unsigned long nr_reclaimed),162 163 TP_ARGS(nr_reclaimed),164 165 TP_STRUCT__entry(166 __field( unsigned long, nr_reclaimed )167 ),168 169 TP_fast_assign(170 __entry->nr_reclaimed = nr_reclaimed;171 ),172 173 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)174);175 176DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,177 178 TP_PROTO(unsigned long nr_reclaimed),179 180 TP_ARGS(nr_reclaimed)181);182 183#ifdef CONFIG_MEMCG184DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,185 186 TP_PROTO(unsigned long nr_reclaimed),187 188 TP_ARGS(nr_reclaimed)189);190 191DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,192 193 TP_PROTO(unsigned long nr_reclaimed),194 195 TP_ARGS(nr_reclaimed)196);197#endif /* CONFIG_MEMCG */198 199TRACE_EVENT(mm_shrink_slab_start,200 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,201 long nr_objects_to_shrink, unsigned long cache_items,202 unsigned long long delta, unsigned long total_scan,203 int priority),204 205 TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,206 priority),207 208 TP_STRUCT__entry(209 __field(struct shrinker *, shr)210 __field(void *, shrink)211 __field(int, nid)212 __field(long, nr_objects_to_shrink)213 __field(unsigned long, gfp_flags)214 __field(unsigned long, cache_items)215 __field(unsigned long long, delta)216 __field(unsigned long, total_scan)217 __field(int, priority)218 ),219 220 TP_fast_assign(221 __entry->shr = shr;222 __entry->shrink = shr->scan_objects;223 __entry->nid = sc->nid;224 __entry->nr_objects_to_shrink = nr_objects_to_shrink;225 __entry->gfp_flags = (__force unsigned long)sc->gfp_mask;226 __entry->cache_items = cache_items;227 __entry->delta = delta;228 __entry->total_scan = total_scan;229 __entry->priority = priority;230 ),231 232 TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",233 __entry->shrink,234 __entry->shr,235 __entry->nid,236 __entry->nr_objects_to_shrink,237 show_gfp_flags(__entry->gfp_flags),238 __entry->cache_items,239 __entry->delta,240 __entry->total_scan,241 __entry->priority)242);243 244TRACE_EVENT(mm_shrink_slab_end,245 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,246 long unused_scan_cnt, long new_scan_cnt, long total_scan),247 248 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,249 total_scan),250 251 TP_STRUCT__entry(252 __field(struct shrinker *, shr)253 __field(int, nid)254 __field(void *, shrink)255 __field(long, unused_scan)256 __field(long, new_scan)257 __field(int, retval)258 __field(long, total_scan)259 ),260 261 TP_fast_assign(262 __entry->shr = shr;263 __entry->nid = nid;264 __entry->shrink = shr->scan_objects;265 __entry->unused_scan = unused_scan_cnt;266 __entry->new_scan = new_scan_cnt;267 __entry->retval = shrinker_retval;268 __entry->total_scan = total_scan;269 ),270 271 TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",272 __entry->shrink,273 __entry->shr,274 __entry->nid,275 __entry->unused_scan,276 __entry->new_scan,277 __entry->total_scan,278 __entry->retval)279);280 281TRACE_EVENT(mm_vmscan_lru_isolate,282 TP_PROTO(int highest_zoneidx,283 int order,284 unsigned long nr_requested,285 unsigned long nr_scanned,286 unsigned long nr_skipped,287 unsigned long nr_taken,288 int lru),289 290 TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, lru),291 292 TP_STRUCT__entry(293 __field(int, highest_zoneidx)294 __field(int, order)295 __field(unsigned long, nr_requested)296 __field(unsigned long, nr_scanned)297 __field(unsigned long, nr_skipped)298 __field(unsigned long, nr_taken)299 __field(int, lru)300 ),301 302 TP_fast_assign(303 __entry->highest_zoneidx = highest_zoneidx;304 __entry->order = order;305 __entry->nr_requested = nr_requested;306 __entry->nr_scanned = nr_scanned;307 __entry->nr_skipped = nr_skipped;308 __entry->nr_taken = nr_taken;309 __entry->lru = lru;310 ),311 312 /*313 * classzone is previous name of the highest_zoneidx.314 * Reason not to change it is the ABI requirement of the tracepoint.315 */316 TP_printk("classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",317 __entry->highest_zoneidx,318 __entry->order,319 __entry->nr_requested,320 __entry->nr_scanned,321 __entry->nr_skipped,322 __entry->nr_taken,323 __print_symbolic(__entry->lru, LRU_NAMES))324);325 326TRACE_EVENT(mm_vmscan_write_folio,327 328 TP_PROTO(struct folio *folio),329 330 TP_ARGS(folio),331 332 TP_STRUCT__entry(333 __field(unsigned long, pfn)334 __field(int, reclaim_flags)335 ),336 337 TP_fast_assign(338 __entry->pfn = folio_pfn(folio);339 __entry->reclaim_flags = trace_reclaim_flags(340 folio_is_file_lru(folio));341 ),342 343 TP_printk("page=%p pfn=0x%lx flags=%s",344 pfn_to_page(__entry->pfn),345 __entry->pfn,346 show_reclaim_flags(__entry->reclaim_flags))347);348 349TRACE_EVENT(mm_vmscan_lru_shrink_inactive,350 351 TP_PROTO(int nid,352 unsigned long nr_scanned, unsigned long nr_reclaimed,353 struct reclaim_stat *stat, int priority, int file),354 355 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),356 357 TP_STRUCT__entry(358 __field(int, nid)359 __field(unsigned long, nr_scanned)360 __field(unsigned long, nr_reclaimed)361 __field(unsigned long, nr_dirty)362 __field(unsigned long, nr_writeback)363 __field(unsigned long, nr_congested)364 __field(unsigned long, nr_immediate)365 __field(unsigned int, nr_activate0)366 __field(unsigned int, nr_activate1)367 __field(unsigned long, nr_ref_keep)368 __field(unsigned long, nr_unmap_fail)369 __field(int, priority)370 __field(int, reclaim_flags)371 ),372 373 TP_fast_assign(374 __entry->nid = nid;375 __entry->nr_scanned = nr_scanned;376 __entry->nr_reclaimed = nr_reclaimed;377 __entry->nr_dirty = stat->nr_dirty;378 __entry->nr_writeback = stat->nr_writeback;379 __entry->nr_congested = stat->nr_congested;380 __entry->nr_immediate = stat->nr_immediate;381 __entry->nr_activate0 = stat->nr_activate[0];382 __entry->nr_activate1 = stat->nr_activate[1];383 __entry->nr_ref_keep = stat->nr_ref_keep;384 __entry->nr_unmap_fail = stat->nr_unmap_fail;385 __entry->priority = priority;386 __entry->reclaim_flags = trace_reclaim_flags(file);387 ),388 389 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",390 __entry->nid,391 __entry->nr_scanned, __entry->nr_reclaimed,392 __entry->nr_dirty, __entry->nr_writeback,393 __entry->nr_congested, __entry->nr_immediate,394 __entry->nr_activate0, __entry->nr_activate1,395 __entry->nr_ref_keep, __entry->nr_unmap_fail,396 __entry->priority,397 show_reclaim_flags(__entry->reclaim_flags))398);399 400TRACE_EVENT(mm_vmscan_lru_shrink_active,401 402 TP_PROTO(int nid, unsigned long nr_taken,403 unsigned long nr_active, unsigned long nr_deactivated,404 unsigned long nr_referenced, int priority, int file),405 406 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),407 408 TP_STRUCT__entry(409 __field(int, nid)410 __field(unsigned long, nr_taken)411 __field(unsigned long, nr_active)412 __field(unsigned long, nr_deactivated)413 __field(unsigned long, nr_referenced)414 __field(int, priority)415 __field(int, reclaim_flags)416 ),417 418 TP_fast_assign(419 __entry->nid = nid;420 __entry->nr_taken = nr_taken;421 __entry->nr_active = nr_active;422 __entry->nr_deactivated = nr_deactivated;423 __entry->nr_referenced = nr_referenced;424 __entry->priority = priority;425 __entry->reclaim_flags = trace_reclaim_flags(file);426 ),427 428 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",429 __entry->nid,430 __entry->nr_taken,431 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,432 __entry->priority,433 show_reclaim_flags(__entry->reclaim_flags))434);435 436TRACE_EVENT(mm_vmscan_node_reclaim_begin,437 438 TP_PROTO(int nid, int order, gfp_t gfp_flags),439 440 TP_ARGS(nid, order, gfp_flags),441 442 TP_STRUCT__entry(443 __field(int, nid)444 __field(int, order)445 __field(unsigned long, gfp_flags)446 ),447 448 TP_fast_assign(449 __entry->nid = nid;450 __entry->order = order;451 __entry->gfp_flags = (__force unsigned long)gfp_flags;452 ),453 454 TP_printk("nid=%d order=%d gfp_flags=%s",455 __entry->nid,456 __entry->order,457 show_gfp_flags(__entry->gfp_flags))458);459 460DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,461 462 TP_PROTO(unsigned long nr_reclaimed),463 464 TP_ARGS(nr_reclaimed)465);466 467TRACE_EVENT(mm_vmscan_throttled,468 469 TP_PROTO(int nid, int usec_timeout, int usec_delayed, int reason),470 471 TP_ARGS(nid, usec_timeout, usec_delayed, reason),472 473 TP_STRUCT__entry(474 __field(int, nid)475 __field(int, usec_timeout)476 __field(int, usec_delayed)477 __field(int, reason)478 ),479 480 TP_fast_assign(481 __entry->nid = nid;482 __entry->usec_timeout = usec_timeout;483 __entry->usec_delayed = usec_delayed;484 __entry->reason = 1U << reason;485 ),486 487 TP_printk("nid=%d usec_timeout=%d usect_delayed=%d reason=%s",488 __entry->nid,489 __entry->usec_timeout,490 __entry->usec_delayed,491 show_throttle_flags(__entry->reason))492);493#endif /* _TRACE_VMSCAN_H */494 495/* This part must be outside protection */496#include <trace/define_trace.h>497