block.h 13 KB

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  1. #undef TRACE_SYSTEM
  2. #define TRACE_SYSTEM block
  3. #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
  4. #define _TRACE_BLOCK_H
  5. #include <linux/blktrace_api.h>
  6. #include <linux/blkdev.h>
  7. #include <linux/tracepoint.h>
  8. TRACE_EVENT(block_rq_abort,
  9. TP_PROTO(struct request_queue *q, struct request *rq),
  10. TP_ARGS(q, rq),
  11. TP_STRUCT__entry(
  12. __field( dev_t, dev )
  13. __field( sector_t, sector )
  14. __field( unsigned int, nr_sector )
  15. __field( int, errors )
  16. __array( char, rwbs, 6 )
  17. __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
  18. ),
  19. TP_fast_assign(
  20. __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
  21. __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
  22. __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
  23. __entry->errors = rq->errors;
  24. blk_fill_rwbs_rq(__entry->rwbs, rq);
  25. blk_dump_cmd(__get_str(cmd), rq);
  26. ),
  27. TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  28. MAJOR(__entry->dev), MINOR(__entry->dev),
  29. __entry->rwbs, __get_str(cmd),
  30. (unsigned long long)__entry->sector,
  31. __entry->nr_sector, __entry->errors)
  32. );
  33. TRACE_EVENT(block_rq_insert,
  34. TP_PROTO(struct request_queue *q, struct request *rq),
  35. TP_ARGS(q, rq),
  36. TP_STRUCT__entry(
  37. __field( dev_t, dev )
  38. __field( sector_t, sector )
  39. __field( unsigned int, nr_sector )
  40. __field( unsigned int, bytes )
  41. __array( char, rwbs, 6 )
  42. __array( char, comm, TASK_COMM_LEN )
  43. __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
  44. ),
  45. TP_fast_assign(
  46. __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
  47. __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
  48. __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
  49. __entry->bytes = blk_pc_request(rq) ? blk_rq_bytes(rq) : 0;
  50. blk_fill_rwbs_rq(__entry->rwbs, rq);
  51. blk_dump_cmd(__get_str(cmd), rq);
  52. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  53. ),
  54. TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
  55. MAJOR(__entry->dev), MINOR(__entry->dev),
  56. __entry->rwbs, __entry->bytes, __get_str(cmd),
  57. (unsigned long long)__entry->sector,
  58. __entry->nr_sector, __entry->comm)
  59. );
  60. TRACE_EVENT(block_rq_issue,
  61. TP_PROTO(struct request_queue *q, struct request *rq),
  62. TP_ARGS(q, rq),
  63. TP_STRUCT__entry(
  64. __field( dev_t, dev )
  65. __field( sector_t, sector )
  66. __field( unsigned int, nr_sector )
  67. __field( unsigned int, bytes )
  68. __array( char, rwbs, 6 )
  69. __array( char, comm, TASK_COMM_LEN )
  70. __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
  71. ),
  72. TP_fast_assign(
  73. __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
  74. __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
  75. __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
  76. __entry->bytes = blk_pc_request(rq) ? blk_rq_bytes(rq) : 0;
  77. blk_fill_rwbs_rq(__entry->rwbs, rq);
  78. blk_dump_cmd(__get_str(cmd), rq);
  79. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  80. ),
  81. TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
  82. MAJOR(__entry->dev), MINOR(__entry->dev),
  83. __entry->rwbs, __entry->bytes, __get_str(cmd),
  84. (unsigned long long)__entry->sector,
  85. __entry->nr_sector, __entry->comm)
  86. );
  87. TRACE_EVENT(block_rq_requeue,
  88. TP_PROTO(struct request_queue *q, struct request *rq),
  89. TP_ARGS(q, rq),
  90. TP_STRUCT__entry(
  91. __field( dev_t, dev )
  92. __field( sector_t, sector )
  93. __field( unsigned int, nr_sector )
  94. __field( int, errors )
  95. __array( char, rwbs, 6 )
  96. __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
  97. ),
  98. TP_fast_assign(
  99. __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
  100. __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
  101. __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
  102. __entry->errors = rq->errors;
  103. blk_fill_rwbs_rq(__entry->rwbs, rq);
  104. blk_dump_cmd(__get_str(cmd), rq);
  105. ),
  106. TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  107. MAJOR(__entry->dev), MINOR(__entry->dev),
  108. __entry->rwbs, __get_str(cmd),
  109. (unsigned long long)__entry->sector,
  110. __entry->nr_sector, __entry->errors)
  111. );
  112. TRACE_EVENT(block_rq_complete,
  113. TP_PROTO(struct request_queue *q, struct request *rq),
  114. TP_ARGS(q, rq),
  115. TP_STRUCT__entry(
  116. __field( dev_t, dev )
  117. __field( sector_t, sector )
  118. __field( unsigned int, nr_sector )
  119. __field( int, errors )
  120. __array( char, rwbs, 6 )
  121. __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
  122. ),
  123. TP_fast_assign(
  124. __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
  125. __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
  126. __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
  127. __entry->errors = rq->errors;
  128. blk_fill_rwbs_rq(__entry->rwbs, rq);
  129. blk_dump_cmd(__get_str(cmd), rq);
  130. ),
  131. TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  132. MAJOR(__entry->dev), MINOR(__entry->dev),
  133. __entry->rwbs, __get_str(cmd),
  134. (unsigned long long)__entry->sector,
  135. __entry->nr_sector, __entry->errors)
  136. );
  137. TRACE_EVENT(block_bio_bounce,
  138. TP_PROTO(struct request_queue *q, struct bio *bio),
  139. TP_ARGS(q, bio),
  140. TP_STRUCT__entry(
  141. __field( dev_t, dev )
  142. __field( sector_t, sector )
  143. __field( unsigned int, nr_sector )
  144. __array( char, rwbs, 6 )
  145. __array( char, comm, TASK_COMM_LEN )
  146. ),
  147. TP_fast_assign(
  148. __entry->dev = bio->bi_bdev ?
  149. bio->bi_bdev->bd_dev : 0;
  150. __entry->sector = bio->bi_sector;
  151. __entry->nr_sector = bio->bi_size >> 9;
  152. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  153. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  154. ),
  155. TP_printk("%d,%d %s %llu + %u [%s]",
  156. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  157. (unsigned long long)__entry->sector,
  158. __entry->nr_sector, __entry->comm)
  159. );
  160. TRACE_EVENT(block_bio_complete,
  161. TP_PROTO(struct request_queue *q, struct bio *bio),
  162. TP_ARGS(q, bio),
  163. TP_STRUCT__entry(
  164. __field( dev_t, dev )
  165. __field( sector_t, sector )
  166. __field( unsigned, nr_sector )
  167. __field( int, error )
  168. __array( char, rwbs, 6 )
  169. ),
  170. TP_fast_assign(
  171. __entry->dev = bio->bi_bdev->bd_dev;
  172. __entry->sector = bio->bi_sector;
  173. __entry->nr_sector = bio->bi_size >> 9;
  174. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  175. ),
  176. TP_printk("%d,%d %s %llu + %u [%d]",
  177. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  178. (unsigned long long)__entry->sector,
  179. __entry->nr_sector, __entry->error)
  180. );
  181. TRACE_EVENT(block_bio_backmerge,
  182. TP_PROTO(struct request_queue *q, struct bio *bio),
  183. TP_ARGS(q, bio),
  184. TP_STRUCT__entry(
  185. __field( dev_t, dev )
  186. __field( sector_t, sector )
  187. __field( unsigned int, nr_sector )
  188. __array( char, rwbs, 6 )
  189. __array( char, comm, TASK_COMM_LEN )
  190. ),
  191. TP_fast_assign(
  192. __entry->dev = bio->bi_bdev->bd_dev;
  193. __entry->sector = bio->bi_sector;
  194. __entry->nr_sector = bio->bi_size >> 9;
  195. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  196. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  197. ),
  198. TP_printk("%d,%d %s %llu + %u [%s]",
  199. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  200. (unsigned long long)__entry->sector,
  201. __entry->nr_sector, __entry->comm)
  202. );
  203. TRACE_EVENT(block_bio_frontmerge,
  204. TP_PROTO(struct request_queue *q, struct bio *bio),
  205. TP_ARGS(q, bio),
  206. TP_STRUCT__entry(
  207. __field( dev_t, dev )
  208. __field( sector_t, sector )
  209. __field( unsigned, nr_sector )
  210. __array( char, rwbs, 6 )
  211. __array( char, comm, TASK_COMM_LEN )
  212. ),
  213. TP_fast_assign(
  214. __entry->dev = bio->bi_bdev->bd_dev;
  215. __entry->sector = bio->bi_sector;
  216. __entry->nr_sector = bio->bi_size >> 9;
  217. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  218. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  219. ),
  220. TP_printk("%d,%d %s %llu + %u [%s]",
  221. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  222. (unsigned long long)__entry->sector,
  223. __entry->nr_sector, __entry->comm)
  224. );
  225. TRACE_EVENT(block_bio_queue,
  226. TP_PROTO(struct request_queue *q, struct bio *bio),
  227. TP_ARGS(q, bio),
  228. TP_STRUCT__entry(
  229. __field( dev_t, dev )
  230. __field( sector_t, sector )
  231. __field( unsigned int, nr_sector )
  232. __array( char, rwbs, 6 )
  233. __array( char, comm, TASK_COMM_LEN )
  234. ),
  235. TP_fast_assign(
  236. __entry->dev = bio->bi_bdev->bd_dev;
  237. __entry->sector = bio->bi_sector;
  238. __entry->nr_sector = bio->bi_size >> 9;
  239. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  240. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  241. ),
  242. TP_printk("%d,%d %s %llu + %u [%s]",
  243. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  244. (unsigned long long)__entry->sector,
  245. __entry->nr_sector, __entry->comm)
  246. );
  247. TRACE_EVENT(block_getrq,
  248. TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
  249. TP_ARGS(q, bio, rw),
  250. TP_STRUCT__entry(
  251. __field( dev_t, dev )
  252. __field( sector_t, sector )
  253. __field( unsigned int, nr_sector )
  254. __array( char, rwbs, 6 )
  255. __array( char, comm, TASK_COMM_LEN )
  256. ),
  257. TP_fast_assign(
  258. __entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
  259. __entry->sector = bio ? bio->bi_sector : 0;
  260. __entry->nr_sector = bio ? bio->bi_size >> 9 : 0;
  261. blk_fill_rwbs(__entry->rwbs,
  262. bio ? bio->bi_rw : 0, __entry->nr_sector);
  263. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  264. ),
  265. TP_printk("%d,%d %s %llu + %u [%s]",
  266. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  267. (unsigned long long)__entry->sector,
  268. __entry->nr_sector, __entry->comm)
  269. );
  270. TRACE_EVENT(block_sleeprq,
  271. TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
  272. TP_ARGS(q, bio, rw),
  273. TP_STRUCT__entry(
  274. __field( dev_t, dev )
  275. __field( sector_t, sector )
  276. __field( unsigned int, nr_sector )
  277. __array( char, rwbs, 6 )
  278. __array( char, comm, TASK_COMM_LEN )
  279. ),
  280. TP_fast_assign(
  281. __entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
  282. __entry->sector = bio ? bio->bi_sector : 0;
  283. __entry->nr_sector = bio ? bio->bi_size >> 9 : 0;
  284. blk_fill_rwbs(__entry->rwbs,
  285. bio ? bio->bi_rw : 0, __entry->nr_sector);
  286. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  287. ),
  288. TP_printk("%d,%d %s %llu + %u [%s]",
  289. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  290. (unsigned long long)__entry->sector,
  291. __entry->nr_sector, __entry->comm)
  292. );
  293. TRACE_EVENT(block_plug,
  294. TP_PROTO(struct request_queue *q),
  295. TP_ARGS(q),
  296. TP_STRUCT__entry(
  297. __array( char, comm, TASK_COMM_LEN )
  298. ),
  299. TP_fast_assign(
  300. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  301. ),
  302. TP_printk("[%s]", __entry->comm)
  303. );
  304. TRACE_EVENT(block_unplug_timer,
  305. TP_PROTO(struct request_queue *q),
  306. TP_ARGS(q),
  307. TP_STRUCT__entry(
  308. __field( int, nr_rq )
  309. __array( char, comm, TASK_COMM_LEN )
  310. ),
  311. TP_fast_assign(
  312. __entry->nr_rq = q->rq.count[READ] + q->rq.count[WRITE];
  313. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  314. ),
  315. TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
  316. );
  317. TRACE_EVENT(block_unplug_io,
  318. TP_PROTO(struct request_queue *q),
  319. TP_ARGS(q),
  320. TP_STRUCT__entry(
  321. __field( int, nr_rq )
  322. __array( char, comm, TASK_COMM_LEN )
  323. ),
  324. TP_fast_assign(
  325. __entry->nr_rq = q->rq.count[READ] + q->rq.count[WRITE];
  326. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  327. ),
  328. TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
  329. );
  330. TRACE_EVENT(block_split,
  331. TP_PROTO(struct request_queue *q, struct bio *bio,
  332. unsigned int new_sector),
  333. TP_ARGS(q, bio, new_sector),
  334. TP_STRUCT__entry(
  335. __field( dev_t, dev )
  336. __field( sector_t, sector )
  337. __field( sector_t, new_sector )
  338. __array( char, rwbs, 6 )
  339. __array( char, comm, TASK_COMM_LEN )
  340. ),
  341. TP_fast_assign(
  342. __entry->dev = bio->bi_bdev->bd_dev;
  343. __entry->sector = bio->bi_sector;
  344. __entry->new_sector = new_sector;
  345. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  346. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  347. ),
  348. TP_printk("%d,%d %s %llu / %llu [%s]",
  349. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  350. (unsigned long long)__entry->sector,
  351. (unsigned long long)__entry->new_sector,
  352. __entry->comm)
  353. );
  354. TRACE_EVENT(block_remap,
  355. TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
  356. sector_t from),
  357. TP_ARGS(q, bio, dev, from),
  358. TP_STRUCT__entry(
  359. __field( dev_t, dev )
  360. __field( sector_t, sector )
  361. __field( unsigned int, nr_sector )
  362. __field( dev_t, old_dev )
  363. __field( sector_t, old_sector )
  364. __array( char, rwbs, 6 )
  365. ),
  366. TP_fast_assign(
  367. __entry->dev = bio->bi_bdev->bd_dev;
  368. __entry->sector = bio->bi_sector;
  369. __entry->nr_sector = bio->bi_size >> 9;
  370. __entry->old_dev = dev;
  371. __entry->old_sector = from;
  372. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  373. ),
  374. TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
  375. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  376. (unsigned long long)__entry->sector,
  377. __entry->nr_sector,
  378. MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
  379. (unsigned long long)__entry->old_sector)
  380. );
  381. #endif /* _TRACE_BLOCK_H */
  382. /* This part must be outside protection */
  383. #include <trace/define_trace.h>