block.h 12 KB

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  1. #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
  2. #define _TRACE_BLOCK_H
  3. #include <linux/blktrace_api.h>
  4. #include <linux/blkdev.h>
  5. #include <linux/tracepoint.h>
  6. #undef TRACE_SYSTEM
  7. #define TRACE_SYSTEM block
  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 : rq->hard_sector;
  22. __entry->nr_sector = blk_pc_request(rq) ?
  23. 0 : rq->hard_nr_sectors;
  24. __entry->errors = rq->errors;
  25. blk_fill_rwbs_rq(__entry->rwbs, rq);
  26. blk_dump_cmd(__get_str(cmd), rq);
  27. ),
  28. TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  29. MAJOR(__entry->dev), MINOR(__entry->dev),
  30. __entry->rwbs, __get_str(cmd),
  31. __entry->sector, __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 : rq->hard_sector;
  48. __entry->nr_sector = blk_pc_request(rq) ?
  49. 0 : rq->hard_nr_sectors;
  50. __entry->bytes = blk_pc_request(rq) ? rq->data_len : 0;
  51. blk_fill_rwbs_rq(__entry->rwbs, rq);
  52. blk_dump_cmd(__get_str(cmd), rq);
  53. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  54. ),
  55. TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
  56. MAJOR(__entry->dev), MINOR(__entry->dev),
  57. __entry->rwbs, __entry->bytes, __get_str(cmd),
  58. __entry->sector, __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 : rq->hard_sector;
  75. __entry->nr_sector = blk_pc_request(rq) ?
  76. 0 : rq->hard_nr_sectors;
  77. __entry->bytes = blk_pc_request(rq) ? rq->data_len : 0;
  78. blk_fill_rwbs_rq(__entry->rwbs, rq);
  79. blk_dump_cmd(__get_str(cmd), rq);
  80. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  81. ),
  82. TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
  83. MAJOR(__entry->dev), MINOR(__entry->dev),
  84. __entry->rwbs, __entry->bytes, __get_str(cmd),
  85. __entry->sector, __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 : rq->hard_sector;
  101. __entry->nr_sector = blk_pc_request(rq) ?
  102. 0 : rq->hard_nr_sectors;
  103. __entry->errors = rq->errors;
  104. blk_fill_rwbs_rq(__entry->rwbs, rq);
  105. blk_dump_cmd(__get_str(cmd), rq);
  106. ),
  107. TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  108. MAJOR(__entry->dev), MINOR(__entry->dev),
  109. __entry->rwbs, __get_str(cmd),
  110. __entry->sector, __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 : rq->hard_sector;
  126. __entry->nr_sector = blk_pc_request(rq) ?
  127. 0 : rq->hard_nr_sectors;
  128. __entry->errors = rq->errors;
  129. blk_fill_rwbs_rq(__entry->rwbs, rq);
  130. blk_dump_cmd(__get_str(cmd), rq);
  131. ),
  132. TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  133. MAJOR(__entry->dev), MINOR(__entry->dev),
  134. __entry->rwbs, __get_str(cmd),
  135. __entry->sector, __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->bd_dev;
  149. __entry->sector = bio->bi_sector;
  150. __entry->nr_sector = bio->bi_size >> 9;
  151. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  152. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  153. ),
  154. TP_printk("%d,%d %s %llu + %u [%s]",
  155. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  156. __entry->sector, __entry->nr_sector, __entry->comm)
  157. );
  158. TRACE_EVENT(block_bio_complete,
  159. TP_PROTO(struct request_queue *q, struct bio *bio),
  160. TP_ARGS(q, bio),
  161. TP_STRUCT__entry(
  162. __field( dev_t, dev )
  163. __field( sector_t, sector )
  164. __field( unsigned, nr_sector )
  165. __field( int, error )
  166. __array( char, rwbs, 6 )
  167. ),
  168. TP_fast_assign(
  169. __entry->dev = bio->bi_bdev->bd_dev;
  170. __entry->sector = bio->bi_sector;
  171. __entry->nr_sector = bio->bi_size >> 9;
  172. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  173. ),
  174. TP_printk("%d,%d %s %llu + %u [%d]",
  175. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  176. __entry->sector, __entry->nr_sector, __entry->error)
  177. );
  178. TRACE_EVENT(block_bio_backmerge,
  179. TP_PROTO(struct request_queue *q, struct bio *bio),
  180. TP_ARGS(q, bio),
  181. TP_STRUCT__entry(
  182. __field( dev_t, dev )
  183. __field( sector_t, sector )
  184. __field( unsigned int, nr_sector )
  185. __array( char, rwbs, 6 )
  186. __array( char, comm, TASK_COMM_LEN )
  187. ),
  188. TP_fast_assign(
  189. __entry->dev = bio->bi_bdev->bd_dev;
  190. __entry->sector = bio->bi_sector;
  191. __entry->nr_sector = bio->bi_size >> 9;
  192. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  193. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  194. ),
  195. TP_printk("%d,%d %s %llu + %u [%s]",
  196. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  197. __entry->sector, __entry->nr_sector, __entry->comm)
  198. );
  199. TRACE_EVENT(block_bio_frontmerge,
  200. TP_PROTO(struct request_queue *q, struct bio *bio),
  201. TP_ARGS(q, bio),
  202. TP_STRUCT__entry(
  203. __field( dev_t, dev )
  204. __field( sector_t, sector )
  205. __field( unsigned, nr_sector )
  206. __array( char, rwbs, 6 )
  207. __array( char, comm, TASK_COMM_LEN )
  208. ),
  209. TP_fast_assign(
  210. __entry->dev = bio->bi_bdev->bd_dev;
  211. __entry->sector = bio->bi_sector;
  212. __entry->nr_sector = bio->bi_size >> 9;
  213. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  214. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  215. ),
  216. TP_printk("%d,%d %s %llu + %u [%s]",
  217. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  218. __entry->sector, __entry->nr_sector, __entry->comm)
  219. );
  220. TRACE_EVENT(block_bio_queue,
  221. TP_PROTO(struct request_queue *q, struct bio *bio),
  222. TP_ARGS(q, bio),
  223. TP_STRUCT__entry(
  224. __field( dev_t, dev )
  225. __field( sector_t, sector )
  226. __field( unsigned int, nr_sector )
  227. __array( char, rwbs, 6 )
  228. __array( char, comm, TASK_COMM_LEN )
  229. ),
  230. TP_fast_assign(
  231. __entry->dev = bio->bi_bdev->bd_dev;
  232. __entry->sector = bio->bi_sector;
  233. __entry->nr_sector = bio->bi_size >> 9;
  234. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  235. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  236. ),
  237. TP_printk("%d,%d %s %llu + %u [%s]",
  238. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  239. __entry->sector, __entry->nr_sector, __entry->comm)
  240. );
  241. TRACE_EVENT(block_getrq,
  242. TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
  243. TP_ARGS(q, bio, rw),
  244. TP_STRUCT__entry(
  245. __field( dev_t, dev )
  246. __field( sector_t, sector )
  247. __field( unsigned int, nr_sector )
  248. __array( char, rwbs, 6 )
  249. __array( char, comm, TASK_COMM_LEN )
  250. ),
  251. TP_fast_assign(
  252. __entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
  253. __entry->sector = bio ? bio->bi_sector : 0;
  254. __entry->nr_sector = bio ? bio->bi_size >> 9 : 0;
  255. blk_fill_rwbs(__entry->rwbs,
  256. bio ? bio->bi_rw : 0, __entry->nr_sector);
  257. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  258. ),
  259. TP_printk("%d,%d %s %llu + %u [%s]",
  260. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  261. __entry->sector, __entry->nr_sector, __entry->comm)
  262. );
  263. TRACE_EVENT(block_sleeprq,
  264. TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
  265. TP_ARGS(q, bio, rw),
  266. TP_STRUCT__entry(
  267. __field( dev_t, dev )
  268. __field( sector_t, sector )
  269. __field( unsigned int, nr_sector )
  270. __array( char, rwbs, 6 )
  271. __array( char, comm, TASK_COMM_LEN )
  272. ),
  273. TP_fast_assign(
  274. __entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
  275. __entry->sector = bio ? bio->bi_sector : 0;
  276. __entry->nr_sector = bio ? bio->bi_size >> 9 : 0;
  277. blk_fill_rwbs(__entry->rwbs,
  278. bio ? bio->bi_rw : 0, __entry->nr_sector);
  279. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  280. ),
  281. TP_printk("%d,%d %s %llu + %u [%s]",
  282. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  283. __entry->sector, __entry->nr_sector, __entry->comm)
  284. );
  285. TRACE_EVENT(block_plug,
  286. TP_PROTO(struct request_queue *q),
  287. TP_ARGS(q),
  288. TP_STRUCT__entry(
  289. __array( char, comm, TASK_COMM_LEN )
  290. ),
  291. TP_fast_assign(
  292. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  293. ),
  294. TP_printk("[%s]", __entry->comm)
  295. );
  296. TRACE_EVENT(block_unplug_timer,
  297. TP_PROTO(struct request_queue *q),
  298. TP_ARGS(q),
  299. TP_STRUCT__entry(
  300. __field( int, nr_rq )
  301. __array( char, comm, TASK_COMM_LEN )
  302. ),
  303. TP_fast_assign(
  304. __entry->nr_rq = q->rq.count[READ] + q->rq.count[WRITE];
  305. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  306. ),
  307. TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
  308. );
  309. TRACE_EVENT(block_unplug_io,
  310. TP_PROTO(struct request_queue *q),
  311. TP_ARGS(q),
  312. TP_STRUCT__entry(
  313. __field( int, nr_rq )
  314. __array( char, comm, TASK_COMM_LEN )
  315. ),
  316. TP_fast_assign(
  317. __entry->nr_rq = q->rq.count[READ] + q->rq.count[WRITE];
  318. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  319. ),
  320. TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
  321. );
  322. TRACE_EVENT(block_split,
  323. TP_PROTO(struct request_queue *q, struct bio *bio,
  324. unsigned int new_sector),
  325. TP_ARGS(q, bio, new_sector),
  326. TP_STRUCT__entry(
  327. __field( dev_t, dev )
  328. __field( sector_t, sector )
  329. __field( sector_t, new_sector )
  330. __array( char, rwbs, 6 )
  331. __array( char, comm, TASK_COMM_LEN )
  332. ),
  333. TP_fast_assign(
  334. __entry->dev = bio->bi_bdev->bd_dev;
  335. __entry->sector = bio->bi_sector;
  336. __entry->new_sector = new_sector;
  337. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  338. memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  339. ),
  340. TP_printk("%d,%d %s %llu / %llu [%s]",
  341. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  342. __entry->sector, __entry->new_sector, __entry->comm)
  343. );
  344. TRACE_EVENT(block_remap,
  345. TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
  346. sector_t from),
  347. TP_ARGS(q, bio, dev, from),
  348. TP_STRUCT__entry(
  349. __field( dev_t, dev )
  350. __field( sector_t, sector )
  351. __field( unsigned int, nr_sector )
  352. __field( dev_t, old_dev )
  353. __field( sector_t, old_sector )
  354. __array( char, rwbs, 6 )
  355. ),
  356. TP_fast_assign(
  357. __entry->dev = bio->bi_bdev->bd_dev;
  358. __entry->sector = bio->bi_sector;
  359. __entry->nr_sector = bio->bi_size >> 9;
  360. __entry->old_dev = dev;
  361. __entry->old_sector = from;
  362. blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
  363. ),
  364. TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
  365. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
  366. __entry->sector, __entry->nr_sector,
  367. MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
  368. __entry->old_sector)
  369. );
  370. #endif /* _TRACE_BLOCK_H */
  371. /* This part must be outside protection */
  372. #include <trace/define_trace.h>