vmscan.h 13 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #undef TRACE_SYSTEM
  3. #define TRACE_SYSTEM vmscan
  4. #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
  5. #define _TRACE_VMSCAN_H
  6. #include <linux/types.h>
  7. #include <linux/tracepoint.h>
  8. #include <linux/mm.h>
  9. #include <linux/memcontrol.h>
  10. #include <trace/events/mmflags.h>
  11. #define RECLAIM_WB_ANON 0x0001u
  12. #define RECLAIM_WB_FILE 0x0002u
  13. #define RECLAIM_WB_MIXED 0x0010u
  14. #define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */
  15. #define RECLAIM_WB_ASYNC 0x0008u
  16. #define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE)
  17. #define show_reclaim_flags(flags) \
  18. (flags) ? __print_flags(flags, "|", \
  19. {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
  20. {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
  21. {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \
  22. {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
  23. {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
  24. ) : "RECLAIM_WB_NONE"
  25. #define _VMSCAN_THROTTLE_WRITEBACK (1 << VMSCAN_THROTTLE_WRITEBACK)
  26. #define _VMSCAN_THROTTLE_ISOLATED (1 << VMSCAN_THROTTLE_ISOLATED)
  27. #define _VMSCAN_THROTTLE_NOPROGRESS (1 << VMSCAN_THROTTLE_NOPROGRESS)
  28. #define _VMSCAN_THROTTLE_CONGESTED (1 << VMSCAN_THROTTLE_CONGESTED)
  29. #define show_throttle_flags(flags) \
  30. (flags) ? __print_flags(flags, "|", \
  31. {_VMSCAN_THROTTLE_WRITEBACK, "VMSCAN_THROTTLE_WRITEBACK"}, \
  32. {_VMSCAN_THROTTLE_ISOLATED, "VMSCAN_THROTTLE_ISOLATED"}, \
  33. {_VMSCAN_THROTTLE_NOPROGRESS, "VMSCAN_THROTTLE_NOPROGRESS"}, \
  34. {_VMSCAN_THROTTLE_CONGESTED, "VMSCAN_THROTTLE_CONGESTED"} \
  35. ) : "VMSCAN_THROTTLE_NONE"
  36. #define trace_reclaim_flags(file) ( \
  37. (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
  38. (RECLAIM_WB_ASYNC) \
  39. )
  40. TRACE_EVENT(mm_vmscan_kswapd_sleep,
  41. TP_PROTO(int nid),
  42. TP_ARGS(nid),
  43. TP_STRUCT__entry(
  44. __field( int, nid )
  45. ),
  46. TP_fast_assign(
  47. __entry->nid = nid;
  48. ),
  49. TP_printk("nid=%d", __entry->nid)
  50. );
  51. TRACE_EVENT(mm_vmscan_kswapd_wake,
  52. TP_PROTO(int nid, int zid, int order),
  53. TP_ARGS(nid, zid, order),
  54. TP_STRUCT__entry(
  55. __field( int, nid )
  56. __field( int, zid )
  57. __field( int, order )
  58. ),
  59. TP_fast_assign(
  60. __entry->nid = nid;
  61. __entry->zid = zid;
  62. __entry->order = order;
  63. ),
  64. TP_printk("nid=%d order=%d",
  65. __entry->nid,
  66. __entry->order)
  67. );
  68. TRACE_EVENT(mm_vmscan_wakeup_kswapd,
  69. TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags),
  70. TP_ARGS(nid, zid, order, gfp_flags),
  71. TP_STRUCT__entry(
  72. __field( int, nid )
  73. __field( int, zid )
  74. __field( int, order )
  75. __field( unsigned long, gfp_flags )
  76. ),
  77. TP_fast_assign(
  78. __entry->nid = nid;
  79. __entry->zid = zid;
  80. __entry->order = order;
  81. __entry->gfp_flags = (__force unsigned long)gfp_flags;
  82. ),
  83. TP_printk("nid=%d order=%d gfp_flags=%s",
  84. __entry->nid,
  85. __entry->order,
  86. show_gfp_flags(__entry->gfp_flags))
  87. );
  88. DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
  89. TP_PROTO(int order, gfp_t gfp_flags),
  90. TP_ARGS(order, gfp_flags),
  91. TP_STRUCT__entry(
  92. __field( int, order )
  93. __field( unsigned long, gfp_flags )
  94. ),
  95. TP_fast_assign(
  96. __entry->order = order;
  97. __entry->gfp_flags = (__force unsigned long)gfp_flags;
  98. ),
  99. TP_printk("order=%d gfp_flags=%s",
  100. __entry->order,
  101. show_gfp_flags(__entry->gfp_flags))
  102. );
  103. DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
  104. TP_PROTO(int order, gfp_t gfp_flags),
  105. TP_ARGS(order, gfp_flags)
  106. );
  107. #ifdef CONFIG_MEMCG
  108. DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
  109. TP_PROTO(int order, gfp_t gfp_flags),
  110. TP_ARGS(order, gfp_flags)
  111. );
  112. DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
  113. TP_PROTO(int order, gfp_t gfp_flags),
  114. TP_ARGS(order, gfp_flags)
  115. );
  116. #endif /* CONFIG_MEMCG */
  117. DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
  118. TP_PROTO(unsigned long nr_reclaimed),
  119. TP_ARGS(nr_reclaimed),
  120. TP_STRUCT__entry(
  121. __field( unsigned long, nr_reclaimed )
  122. ),
  123. TP_fast_assign(
  124. __entry->nr_reclaimed = nr_reclaimed;
  125. ),
  126. TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
  127. );
  128. DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
  129. TP_PROTO(unsigned long nr_reclaimed),
  130. TP_ARGS(nr_reclaimed)
  131. );
  132. #ifdef CONFIG_MEMCG
  133. DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
  134. TP_PROTO(unsigned long nr_reclaimed),
  135. TP_ARGS(nr_reclaimed)
  136. );
  137. DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
  138. TP_PROTO(unsigned long nr_reclaimed),
  139. TP_ARGS(nr_reclaimed)
  140. );
  141. #endif /* CONFIG_MEMCG */
  142. TRACE_EVENT(mm_shrink_slab_start,
  143. TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
  144. long nr_objects_to_shrink, unsigned long cache_items,
  145. unsigned long long delta, unsigned long total_scan,
  146. int priority),
  147. TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
  148. priority),
  149. TP_STRUCT__entry(
  150. __field(struct shrinker *, shr)
  151. __field(void *, shrink)
  152. __field(int, nid)
  153. __field(long, nr_objects_to_shrink)
  154. __field(unsigned long, gfp_flags)
  155. __field(unsigned long, cache_items)
  156. __field(unsigned long long, delta)
  157. __field(unsigned long, total_scan)
  158. __field(int, priority)
  159. ),
  160. TP_fast_assign(
  161. __entry->shr = shr;
  162. __entry->shrink = shr->scan_objects;
  163. __entry->nid = sc->nid;
  164. __entry->nr_objects_to_shrink = nr_objects_to_shrink;
  165. __entry->gfp_flags = (__force unsigned long)sc->gfp_mask;
  166. __entry->cache_items = cache_items;
  167. __entry->delta = delta;
  168. __entry->total_scan = total_scan;
  169. __entry->priority = priority;
  170. ),
  171. TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
  172. __entry->shrink,
  173. __entry->shr,
  174. __entry->nid,
  175. __entry->nr_objects_to_shrink,
  176. show_gfp_flags(__entry->gfp_flags),
  177. __entry->cache_items,
  178. __entry->delta,
  179. __entry->total_scan,
  180. __entry->priority)
  181. );
  182. TRACE_EVENT(mm_shrink_slab_end,
  183. TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
  184. long unused_scan_cnt, long new_scan_cnt, long total_scan),
  185. TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
  186. total_scan),
  187. TP_STRUCT__entry(
  188. __field(struct shrinker *, shr)
  189. __field(int, nid)
  190. __field(void *, shrink)
  191. __field(long, unused_scan)
  192. __field(long, new_scan)
  193. __field(int, retval)
  194. __field(long, total_scan)
  195. ),
  196. TP_fast_assign(
  197. __entry->shr = shr;
  198. __entry->nid = nid;
  199. __entry->shrink = shr->scan_objects;
  200. __entry->unused_scan = unused_scan_cnt;
  201. __entry->new_scan = new_scan_cnt;
  202. __entry->retval = shrinker_retval;
  203. __entry->total_scan = total_scan;
  204. ),
  205. TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
  206. __entry->shrink,
  207. __entry->shr,
  208. __entry->nid,
  209. __entry->unused_scan,
  210. __entry->new_scan,
  211. __entry->total_scan,
  212. __entry->retval)
  213. );
  214. TRACE_EVENT(mm_vmscan_lru_isolate,
  215. TP_PROTO(int highest_zoneidx,
  216. int order,
  217. unsigned long nr_requested,
  218. unsigned long nr_scanned,
  219. unsigned long nr_skipped,
  220. unsigned long nr_taken,
  221. isolate_mode_t isolate_mode,
  222. int lru),
  223. TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
  224. TP_STRUCT__entry(
  225. __field(int, highest_zoneidx)
  226. __field(int, order)
  227. __field(unsigned long, nr_requested)
  228. __field(unsigned long, nr_scanned)
  229. __field(unsigned long, nr_skipped)
  230. __field(unsigned long, nr_taken)
  231. __field(unsigned int, isolate_mode)
  232. __field(int, lru)
  233. ),
  234. TP_fast_assign(
  235. __entry->highest_zoneidx = highest_zoneidx;
  236. __entry->order = order;
  237. __entry->nr_requested = nr_requested;
  238. __entry->nr_scanned = nr_scanned;
  239. __entry->nr_skipped = nr_skipped;
  240. __entry->nr_taken = nr_taken;
  241. __entry->isolate_mode = (__force unsigned int)isolate_mode;
  242. __entry->lru = lru;
  243. ),
  244. /*
  245. * classzone is previous name of the highest_zoneidx.
  246. * Reason not to change it is the ABI requirement of the tracepoint.
  247. */
  248. TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
  249. __entry->isolate_mode,
  250. __entry->highest_zoneidx,
  251. __entry->order,
  252. __entry->nr_requested,
  253. __entry->nr_scanned,
  254. __entry->nr_skipped,
  255. __entry->nr_taken,
  256. __print_symbolic(__entry->lru, LRU_NAMES))
  257. );
  258. TRACE_EVENT(mm_vmscan_write_folio,
  259. TP_PROTO(struct folio *folio),
  260. TP_ARGS(folio),
  261. TP_STRUCT__entry(
  262. __field(unsigned long, pfn)
  263. __field(int, reclaim_flags)
  264. ),
  265. TP_fast_assign(
  266. __entry->pfn = folio_pfn(folio);
  267. __entry->reclaim_flags = trace_reclaim_flags(
  268. folio_is_file_lru(folio));
  269. ),
  270. TP_printk("page=%p pfn=0x%lx flags=%s",
  271. pfn_to_page(__entry->pfn),
  272. __entry->pfn,
  273. show_reclaim_flags(__entry->reclaim_flags))
  274. );
  275. TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
  276. TP_PROTO(int nid,
  277. unsigned long nr_scanned, unsigned long nr_reclaimed,
  278. struct reclaim_stat *stat, int priority, int file),
  279. TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),
  280. TP_STRUCT__entry(
  281. __field(int, nid)
  282. __field(unsigned long, nr_scanned)
  283. __field(unsigned long, nr_reclaimed)
  284. __field(unsigned long, nr_dirty)
  285. __field(unsigned long, nr_writeback)
  286. __field(unsigned long, nr_congested)
  287. __field(unsigned long, nr_immediate)
  288. __field(unsigned int, nr_activate0)
  289. __field(unsigned int, nr_activate1)
  290. __field(unsigned long, nr_ref_keep)
  291. __field(unsigned long, nr_unmap_fail)
  292. __field(int, priority)
  293. __field(int, reclaim_flags)
  294. ),
  295. TP_fast_assign(
  296. __entry->nid = nid;
  297. __entry->nr_scanned = nr_scanned;
  298. __entry->nr_reclaimed = nr_reclaimed;
  299. __entry->nr_dirty = stat->nr_dirty;
  300. __entry->nr_writeback = stat->nr_writeback;
  301. __entry->nr_congested = stat->nr_congested;
  302. __entry->nr_immediate = stat->nr_immediate;
  303. __entry->nr_activate0 = stat->nr_activate[0];
  304. __entry->nr_activate1 = stat->nr_activate[1];
  305. __entry->nr_ref_keep = stat->nr_ref_keep;
  306. __entry->nr_unmap_fail = stat->nr_unmap_fail;
  307. __entry->priority = priority;
  308. __entry->reclaim_flags = trace_reclaim_flags(file);
  309. ),
  310. 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",
  311. __entry->nid,
  312. __entry->nr_scanned, __entry->nr_reclaimed,
  313. __entry->nr_dirty, __entry->nr_writeback,
  314. __entry->nr_congested, __entry->nr_immediate,
  315. __entry->nr_activate0, __entry->nr_activate1,
  316. __entry->nr_ref_keep, __entry->nr_unmap_fail,
  317. __entry->priority,
  318. show_reclaim_flags(__entry->reclaim_flags))
  319. );
  320. TRACE_EVENT(mm_vmscan_lru_shrink_active,
  321. TP_PROTO(int nid, unsigned long nr_taken,
  322. unsigned long nr_active, unsigned long nr_deactivated,
  323. unsigned long nr_referenced, int priority, int file),
  324. TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
  325. TP_STRUCT__entry(
  326. __field(int, nid)
  327. __field(unsigned long, nr_taken)
  328. __field(unsigned long, nr_active)
  329. __field(unsigned long, nr_deactivated)
  330. __field(unsigned long, nr_referenced)
  331. __field(int, priority)
  332. __field(int, reclaim_flags)
  333. ),
  334. TP_fast_assign(
  335. __entry->nid = nid;
  336. __entry->nr_taken = nr_taken;
  337. __entry->nr_active = nr_active;
  338. __entry->nr_deactivated = nr_deactivated;
  339. __entry->nr_referenced = nr_referenced;
  340. __entry->priority = priority;
  341. __entry->reclaim_flags = trace_reclaim_flags(file);
  342. ),
  343. TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
  344. __entry->nid,
  345. __entry->nr_taken,
  346. __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
  347. __entry->priority,
  348. show_reclaim_flags(__entry->reclaim_flags))
  349. );
  350. TRACE_EVENT(mm_vmscan_node_reclaim_begin,
  351. TP_PROTO(int nid, int order, gfp_t gfp_flags),
  352. TP_ARGS(nid, order, gfp_flags),
  353. TP_STRUCT__entry(
  354. __field(int, nid)
  355. __field(int, order)
  356. __field(unsigned long, gfp_flags)
  357. ),
  358. TP_fast_assign(
  359. __entry->nid = nid;
  360. __entry->order = order;
  361. __entry->gfp_flags = (__force unsigned long)gfp_flags;
  362. ),
  363. TP_printk("nid=%d order=%d gfp_flags=%s",
  364. __entry->nid,
  365. __entry->order,
  366. show_gfp_flags(__entry->gfp_flags))
  367. );
  368. DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
  369. TP_PROTO(unsigned long nr_reclaimed),
  370. TP_ARGS(nr_reclaimed)
  371. );
  372. TRACE_EVENT(mm_vmscan_throttled,
  373. TP_PROTO(int nid, int usec_timeout, int usec_delayed, int reason),
  374. TP_ARGS(nid, usec_timeout, usec_delayed, reason),
  375. TP_STRUCT__entry(
  376. __field(int, nid)
  377. __field(int, usec_timeout)
  378. __field(int, usec_delayed)
  379. __field(int, reason)
  380. ),
  381. TP_fast_assign(
  382. __entry->nid = nid;
  383. __entry->usec_timeout = usec_timeout;
  384. __entry->usec_delayed = usec_delayed;
  385. __entry->reason = 1U << reason;
  386. ),
  387. TP_printk("nid=%d usec_timeout=%d usect_delayed=%d reason=%s",
  388. __entry->nid,
  389. __entry->usec_timeout,
  390. __entry->usec_delayed,
  391. show_throttle_flags(__entry->reason))
  392. );
  393. #endif /* _TRACE_VMSCAN_H */
  394. /* This part must be outside protection */
  395. #include <trace/define_trace.h>