kmem.h 9.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #undef TRACE_SYSTEM
  3. #define TRACE_SYSTEM kmem
  4. #if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
  5. #define _TRACE_KMEM_H
  6. #include <linux/types.h>
  7. #include <linux/tracepoint.h>
  8. #include <trace/events/mmflags.h>
  9. TRACE_EVENT(kmem_cache_alloc,
  10. TP_PROTO(unsigned long call_site,
  11. const void *ptr,
  12. struct kmem_cache *s,
  13. gfp_t gfp_flags,
  14. int node),
  15. TP_ARGS(call_site, ptr, s, gfp_flags, node),
  16. TP_STRUCT__entry(
  17. __field( unsigned long, call_site )
  18. __field( const void *, ptr )
  19. __field( size_t, bytes_req )
  20. __field( size_t, bytes_alloc )
  21. __field( unsigned long, gfp_flags )
  22. __field( int, node )
  23. __field( bool, accounted )
  24. ),
  25. TP_fast_assign(
  26. __entry->call_site = call_site;
  27. __entry->ptr = ptr;
  28. __entry->bytes_req = s->object_size;
  29. __entry->bytes_alloc = s->size;
  30. __entry->gfp_flags = (__force unsigned long)gfp_flags;
  31. __entry->node = node;
  32. __entry->accounted = IS_ENABLED(CONFIG_MEMCG_KMEM) ?
  33. ((gfp_flags & __GFP_ACCOUNT) ||
  34. (s->flags & SLAB_ACCOUNT)) : false;
  35. ),
  36. TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d accounted=%s",
  37. (void *)__entry->call_site,
  38. __entry->ptr,
  39. __entry->bytes_req,
  40. __entry->bytes_alloc,
  41. show_gfp_flags(__entry->gfp_flags),
  42. __entry->node,
  43. __entry->accounted ? "true" : "false")
  44. );
  45. TRACE_EVENT(kmalloc,
  46. TP_PROTO(unsigned long call_site,
  47. const void *ptr,
  48. size_t bytes_req,
  49. size_t bytes_alloc,
  50. gfp_t gfp_flags,
  51. int node),
  52. TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
  53. TP_STRUCT__entry(
  54. __field( unsigned long, call_site )
  55. __field( const void *, ptr )
  56. __field( size_t, bytes_req )
  57. __field( size_t, bytes_alloc )
  58. __field( unsigned long, gfp_flags )
  59. __field( int, node )
  60. ),
  61. TP_fast_assign(
  62. __entry->call_site = call_site;
  63. __entry->ptr = ptr;
  64. __entry->bytes_req = bytes_req;
  65. __entry->bytes_alloc = bytes_alloc;
  66. __entry->gfp_flags = (__force unsigned long)gfp_flags;
  67. __entry->node = node;
  68. ),
  69. TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d accounted=%s",
  70. (void *)__entry->call_site,
  71. __entry->ptr,
  72. __entry->bytes_req,
  73. __entry->bytes_alloc,
  74. show_gfp_flags(__entry->gfp_flags),
  75. __entry->node,
  76. (IS_ENABLED(CONFIG_MEMCG_KMEM) &&
  77. (__entry->gfp_flags & (__force unsigned long)__GFP_ACCOUNT)) ? "true" : "false")
  78. );
  79. TRACE_EVENT(kfree,
  80. TP_PROTO(unsigned long call_site, const void *ptr),
  81. TP_ARGS(call_site, ptr),
  82. TP_STRUCT__entry(
  83. __field( unsigned long, call_site )
  84. __field( const void *, ptr )
  85. ),
  86. TP_fast_assign(
  87. __entry->call_site = call_site;
  88. __entry->ptr = ptr;
  89. ),
  90. TP_printk("call_site=%pS ptr=%p",
  91. (void *)__entry->call_site, __entry->ptr)
  92. );
  93. TRACE_EVENT(kmem_cache_free,
  94. TP_PROTO(unsigned long call_site, const void *ptr, const struct kmem_cache *s),
  95. TP_ARGS(call_site, ptr, s),
  96. TP_STRUCT__entry(
  97. __field( unsigned long, call_site )
  98. __field( const void *, ptr )
  99. __string( name, s->name )
  100. ),
  101. TP_fast_assign(
  102. __entry->call_site = call_site;
  103. __entry->ptr = ptr;
  104. __assign_str(name, s->name);
  105. ),
  106. TP_printk("call_site=%pS ptr=%p name=%s",
  107. (void *)__entry->call_site, __entry->ptr, __get_str(name))
  108. );
  109. TRACE_EVENT(mm_page_free,
  110. TP_PROTO(struct page *page, unsigned int order),
  111. TP_ARGS(page, order),
  112. TP_STRUCT__entry(
  113. __field( unsigned long, pfn )
  114. __field( unsigned int, order )
  115. ),
  116. TP_fast_assign(
  117. __entry->pfn = page_to_pfn(page);
  118. __entry->order = order;
  119. ),
  120. TP_printk("page=%p pfn=0x%lx order=%d",
  121. pfn_to_page(__entry->pfn),
  122. __entry->pfn,
  123. __entry->order)
  124. );
  125. TRACE_EVENT(mm_page_free_batched,
  126. TP_PROTO(struct page *page),
  127. TP_ARGS(page),
  128. TP_STRUCT__entry(
  129. __field( unsigned long, pfn )
  130. ),
  131. TP_fast_assign(
  132. __entry->pfn = page_to_pfn(page);
  133. ),
  134. TP_printk("page=%p pfn=0x%lx order=0",
  135. pfn_to_page(__entry->pfn),
  136. __entry->pfn)
  137. );
  138. TRACE_EVENT(mm_page_alloc,
  139. TP_PROTO(struct page *page, unsigned int order,
  140. gfp_t gfp_flags, int migratetype),
  141. TP_ARGS(page, order, gfp_flags, migratetype),
  142. TP_STRUCT__entry(
  143. __field( unsigned long, pfn )
  144. __field( unsigned int, order )
  145. __field( unsigned long, gfp_flags )
  146. __field( int, migratetype )
  147. ),
  148. TP_fast_assign(
  149. __entry->pfn = page ? page_to_pfn(page) : -1UL;
  150. __entry->order = order;
  151. __entry->gfp_flags = (__force unsigned long)gfp_flags;
  152. __entry->migratetype = migratetype;
  153. ),
  154. TP_printk("page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
  155. __entry->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
  156. __entry->pfn != -1UL ? __entry->pfn : 0,
  157. __entry->order,
  158. __entry->migratetype,
  159. show_gfp_flags(__entry->gfp_flags))
  160. );
  161. DECLARE_EVENT_CLASS(mm_page,
  162. TP_PROTO(struct page *page, unsigned int order, int migratetype,
  163. int percpu_refill),
  164. TP_ARGS(page, order, migratetype, percpu_refill),
  165. TP_STRUCT__entry(
  166. __field( unsigned long, pfn )
  167. __field( unsigned int, order )
  168. __field( int, migratetype )
  169. __field( int, percpu_refill )
  170. ),
  171. TP_fast_assign(
  172. __entry->pfn = page ? page_to_pfn(page) : -1UL;
  173. __entry->order = order;
  174. __entry->migratetype = migratetype;
  175. __entry->percpu_refill = percpu_refill;
  176. ),
  177. TP_printk("page=%p pfn=0x%lx order=%u migratetype=%d percpu_refill=%d",
  178. __entry->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
  179. __entry->pfn != -1UL ? __entry->pfn : 0,
  180. __entry->order,
  181. __entry->migratetype,
  182. __entry->percpu_refill)
  183. );
  184. DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
  185. TP_PROTO(struct page *page, unsigned int order, int migratetype,
  186. int percpu_refill),
  187. TP_ARGS(page, order, migratetype, percpu_refill)
  188. );
  189. TRACE_EVENT(mm_page_pcpu_drain,
  190. TP_PROTO(struct page *page, unsigned int order, int migratetype),
  191. TP_ARGS(page, order, migratetype),
  192. TP_STRUCT__entry(
  193. __field( unsigned long, pfn )
  194. __field( unsigned int, order )
  195. __field( int, migratetype )
  196. ),
  197. TP_fast_assign(
  198. __entry->pfn = page ? page_to_pfn(page) : -1UL;
  199. __entry->order = order;
  200. __entry->migratetype = migratetype;
  201. ),
  202. TP_printk("page=%p pfn=0x%lx order=%d migratetype=%d",
  203. pfn_to_page(__entry->pfn), __entry->pfn,
  204. __entry->order, __entry->migratetype)
  205. );
  206. TRACE_EVENT(mm_page_alloc_extfrag,
  207. TP_PROTO(struct page *page,
  208. int alloc_order, int fallback_order,
  209. int alloc_migratetype, int fallback_migratetype),
  210. TP_ARGS(page,
  211. alloc_order, fallback_order,
  212. alloc_migratetype, fallback_migratetype),
  213. TP_STRUCT__entry(
  214. __field( unsigned long, pfn )
  215. __field( int, alloc_order )
  216. __field( int, fallback_order )
  217. __field( int, alloc_migratetype )
  218. __field( int, fallback_migratetype )
  219. __field( int, change_ownership )
  220. ),
  221. TP_fast_assign(
  222. __entry->pfn = page_to_pfn(page);
  223. __entry->alloc_order = alloc_order;
  224. __entry->fallback_order = fallback_order;
  225. __entry->alloc_migratetype = alloc_migratetype;
  226. __entry->fallback_migratetype = fallback_migratetype;
  227. __entry->change_ownership = (alloc_migratetype ==
  228. get_pageblock_migratetype(page));
  229. ),
  230. TP_printk("page=%p pfn=0x%lx alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
  231. pfn_to_page(__entry->pfn),
  232. __entry->pfn,
  233. __entry->alloc_order,
  234. __entry->fallback_order,
  235. pageblock_order,
  236. __entry->alloc_migratetype,
  237. __entry->fallback_migratetype,
  238. __entry->fallback_order < pageblock_order,
  239. __entry->change_ownership)
  240. );
  241. TRACE_EVENT(mm_alloc_contig_migrate_range_info,
  242. TP_PROTO(unsigned long start,
  243. unsigned long end,
  244. unsigned long nr_migrated,
  245. unsigned long nr_reclaimed,
  246. unsigned long nr_mapped,
  247. int migratetype),
  248. TP_ARGS(start, end, nr_migrated, nr_reclaimed, nr_mapped, migratetype),
  249. TP_STRUCT__entry(
  250. __field(unsigned long, start)
  251. __field(unsigned long, end)
  252. __field(unsigned long, nr_migrated)
  253. __field(unsigned long, nr_reclaimed)
  254. __field(unsigned long, nr_mapped)
  255. __field(int, migratetype)
  256. ),
  257. TP_fast_assign(
  258. __entry->start = start;
  259. __entry->end = end;
  260. __entry->nr_migrated = nr_migrated;
  261. __entry->nr_reclaimed = nr_reclaimed;
  262. __entry->nr_mapped = nr_mapped;
  263. __entry->migratetype = migratetype;
  264. ),
  265. TP_printk("start=0x%lx end=0x%lx migratetype=%d nr_migrated=%lu nr_reclaimed=%lu nr_mapped=%lu",
  266. __entry->start,
  267. __entry->end,
  268. __entry->migratetype,
  269. __entry->nr_migrated,
  270. __entry->nr_reclaimed,
  271. __entry->nr_mapped)
  272. );
  273. /*
  274. * Required for uniquely and securely identifying mm in rss_stat tracepoint.
  275. */
  276. #ifndef __PTR_TO_HASHVAL
  277. static unsigned int __maybe_unused mm_ptr_to_hash(const void *ptr)
  278. {
  279. int ret;
  280. unsigned long hashval;
  281. ret = ptr_to_hashval(ptr, &hashval);
  282. if (ret)
  283. return 0;
  284. /* The hashed value is only 32-bit */
  285. return (unsigned int)hashval;
  286. }
  287. #define __PTR_TO_HASHVAL
  288. #endif
  289. #define TRACE_MM_PAGES \
  290. EM(MM_FILEPAGES) \
  291. EM(MM_ANONPAGES) \
  292. EM(MM_SWAPENTS) \
  293. EMe(MM_SHMEMPAGES)
  294. #undef EM
  295. #undef EMe
  296. #define EM(a) TRACE_DEFINE_ENUM(a);
  297. #define EMe(a) TRACE_DEFINE_ENUM(a);
  298. TRACE_MM_PAGES
  299. #undef EM
  300. #undef EMe
  301. #define EM(a) { a, #a },
  302. #define EMe(a) { a, #a }
  303. TRACE_EVENT(rss_stat,
  304. TP_PROTO(struct mm_struct *mm,
  305. int member,
  306. long count),
  307. TP_ARGS(mm, member, count),
  308. TP_STRUCT__entry(
  309. __field(unsigned int, mm_id)
  310. __field(unsigned int, curr)
  311. __field(int, member)
  312. __field(long, size)
  313. ),
  314. TP_fast_assign(
  315. __entry->mm_id = mm_ptr_to_hash(mm);
  316. __entry->curr = !!(current->mm == mm);
  317. __entry->member = member;
  318. __entry->size = (count << PAGE_SHIFT);
  319. ),
  320. TP_printk("mm_id=%u curr=%d type=%s size=%ldB",
  321. __entry->mm_id,
  322. __entry->curr,
  323. __print_symbolic(__entry->member, TRACE_MM_PAGES),
  324. __entry->size)
  325. );
  326. #endif /* _TRACE_KMEM_H */
  327. /* This part must be outside protection */
  328. #include <trace/define_trace.h>