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f62b389e MD |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM block | |
3 | ||
3bc29f0a MD |
4 | #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
5 | #define LTTNG_TRACE_BLOCK_H | |
f62b389e | 6 | |
6ec43db8 | 7 | #include <probes/lttng-tracepoint-event.h> |
f62b389e MD |
8 | #include <linux/blktrace_api.h> |
9 | #include <linux/blkdev.h> | |
f62b389e | 10 | #include <linux/trace_seq.h> |
7c68b363 AG |
11 | #include <linux/version.h> |
12 | ||
8a9f549f FD |
13 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) |
14 | #include <scsi/scsi_request.h> | |
15 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
16 | ||
f62b389e MD |
17 | #ifndef _TRACE_BLOCK_DEF_ |
18 | #define _TRACE_BLOCK_DEF_ | |
19 | ||
f62b389e MD |
20 | enum { |
21 | RWBS_FLAG_WRITE = (1 << 0), | |
22 | RWBS_FLAG_DISCARD = (1 << 1), | |
23 | RWBS_FLAG_READ = (1 << 2), | |
24 | RWBS_FLAG_RAHEAD = (1 << 3), | |
7c68b363 AG |
25 | RWBS_FLAG_BARRIER = (1 << 4), |
26 | RWBS_FLAG_SYNC = (1 << 5), | |
27 | RWBS_FLAG_META = (1 << 6), | |
28 | RWBS_FLAG_SECURE = (1 << 7), | |
29 | RWBS_FLAG_FLUSH = (1 << 8), | |
30 | RWBS_FLAG_FUA = (1 << 9), | |
e6d2cc09 | 31 | RWBS_FLAG_PREFLUSH = (1 << 10), |
f62b389e MD |
32 | }; |
33 | ||
34 | #endif /* _TRACE_BLOCK_DEF_ */ | |
35 | ||
c122f936 | 36 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \ |
232b548a | 37 | LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,114,92,0,0)) |
e6d2cc09 MD |
38 | |
39 | #define lttng_req_op(rq) req_op(rq) | |
40 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
41 | #define lttng_bio_op(bio) bio_op(bio) | |
42 | #define lttng_bio_rw(bio) ((bio)->bi_opf) | |
43 | ||
44 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
45 | ctf_integer(type, rwbs, \ | |
46 | (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \ | |
47 | ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \ | |
48 | ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \ | |
49 | ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \ | |
50 | ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \ | |
51 | ( 0 )))))) \ | |
52 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
53 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
54 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
55 | | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \ | |
56 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
57 | ||
58 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
7c68b363 | 59 | |
e6d2cc09 MD |
60 | #define lttng_req_op(rq) |
61 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
62 | #define lttng_bio_op(bio) | |
63 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
64 | ||
65 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 66 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
67 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
68 | ( (bytes) ? RWBS_FLAG_READ : \ | |
69 | ( 0 )))) \ | |
70 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
71 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
72 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
73 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \ | |
74 | | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \ | |
75 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
76 | ||
77 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
78 | ||
e6d2cc09 MD |
79 | #define lttng_req_op(rq) |
80 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
81 | #define lttng_bio_op(bio) | |
82 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
83 | ||
84 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 85 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
f62b389e MD |
86 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
87 | ( (bytes) ? RWBS_FLAG_READ : \ | |
88 | ( 0 )))) \ | |
89 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
90 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
91 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
92 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
93 | ||
7c68b363 AG |
94 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) |
95 | ||
e6d2cc09 MD |
96 | #define lttng_req_op(rq) |
97 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
98 | #define lttng_bio_op(bio) | |
99 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
100 | ||
101 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 102 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
103 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
104 | ( (bytes) ? RWBS_FLAG_READ : \ | |
105 | ( 0 )))) \ | |
106 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
107 | | ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0) \ | |
108 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
109 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
110 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
111 | ||
112 | #else | |
113 | ||
e6d2cc09 MD |
114 | #define lttng_req_op(rq) |
115 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
116 | #define lttng_bio_op(bio) | |
117 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
118 | ||
119 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 120 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
121 | ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD : \ |
122 | ( (bytes) ? RWBS_FLAG_READ : \ | |
123 | ( 0 )))) \ | |
124 | | ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \ | |
125 | | ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0) \ | |
126 | | ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0) \ | |
127 | | ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0)) | |
128 | ||
129 | #endif | |
130 | ||
217f66c6 | 131 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 132 | LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, |
217f66c6 MD |
133 | |
134 | TP_PROTO(struct buffer_head *bh), | |
135 | ||
136 | TP_ARGS(bh), | |
137 | ||
f127e61e MD |
138 | TP_FIELDS ( |
139 | ctf_integer(dev_t, dev, bh->b_bdev->bd_dev) | |
140 | ctf_integer(sector_t, sector, bh->b_blocknr) | |
141 | ctf_integer(size_t, size, bh->b_size) | |
217f66c6 MD |
142 | ) |
143 | ) | |
144 | ||
145 | /** | |
146 | * block_touch_buffer - mark a buffer accessed | |
147 | * @bh: buffer_head being touched | |
148 | * | |
149 | * Called from touch_buffer(). | |
150 | */ | |
3bc29f0a | 151 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, |
217f66c6 MD |
152 | |
153 | TP_PROTO(struct buffer_head *bh), | |
154 | ||
155 | TP_ARGS(bh) | |
156 | ) | |
157 | ||
158 | /** | |
159 | * block_dirty_buffer - mark a buffer dirty | |
160 | * @bh: buffer_head being dirtied | |
161 | * | |
162 | * Called from mark_buffer_dirty(). | |
163 | */ | |
3bc29f0a | 164 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, |
217f66c6 MD |
165 | |
166 | TP_PROTO(struct buffer_head *bh), | |
167 | ||
168 | TP_ARGS(bh) | |
169 | ) | |
170 | #endif | |
171 | ||
e064edf1 MJ |
172 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
173 | /* block_rq_with_error event class removed in kernel 4.12 */ | |
174 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
f127e61e | 175 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, |
f62b389e MD |
176 | |
177 | TP_PROTO(struct request_queue *q, struct request *rq), | |
178 | ||
179 | TP_ARGS(q, rq), | |
180 | ||
f127e61e MD |
181 | TP_locvar( |
182 | sector_t sector; | |
183 | unsigned int nr_sector; | |
184 | unsigned char *cmd; | |
185 | size_t cmd_len; | |
f62b389e MD |
186 | ), |
187 | ||
265822ae | 188 | TP_code_pre( |
8a9f549f FD |
189 | if (blk_rq_is_scsi(rq)) { |
190 | struct scsi_request *scsi_rq = scsi_req(rq); | |
191 | tp_locvar->sector = 0; | |
192 | tp_locvar->nr_sector = 0; | |
193 | tp_locvar->cmd = scsi_rq->cmd; | |
194 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
195 | } else { | |
196 | tp_locvar->sector = blk_rq_pos(rq); | |
197 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
198 | tp_locvar->cmd = NULL; | |
199 | tp_locvar->cmd_len = 0; | |
200 | } | |
201 | ), | |
202 | ||
203 | TP_FIELDS( | |
204 | ctf_integer(dev_t, dev, | |
205 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
206 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
207 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
208 | ctf_integer(int, errors, rq->errors) | |
209 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
210 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
211 | ctf_sequence_hex(unsigned char, cmd, | |
212 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
213 | ), | |
214 | ||
215 | TP_code_post() | |
216 | ) | |
217 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
218 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, | |
219 | ||
220 | TP_PROTO(struct request_queue *q, struct request *rq), | |
221 | ||
222 | TP_ARGS(q, rq), | |
223 | ||
224 | TP_locvar( | |
225 | sector_t sector; | |
226 | unsigned int nr_sector; | |
227 | unsigned char *cmd; | |
228 | size_t cmd_len; | |
229 | ), | |
230 | ||
231 | TP_code_pre( | |
232 | ||
f127e61e MD |
233 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
234 | tp_locvar->sector = 0; | |
235 | tp_locvar->nr_sector = 0; | |
236 | tp_locvar->cmd = rq->cmd; | |
237 | tp_locvar->cmd_len = rq->cmd_len; | |
238 | } else { | |
239 | tp_locvar->sector = blk_rq_pos(rq); | |
240 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
241 | tp_locvar->cmd = NULL; | |
242 | tp_locvar->cmd_len = 0; | |
243 | } | |
f62b389e MD |
244 | ), |
245 | ||
f127e61e MD |
246 | TP_FIELDS( |
247 | ctf_integer(dev_t, dev, | |
248 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
249 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
250 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
251 | ctf_integer(int, errors, rq->errors) | |
252 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 253 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
254 | ctf_sequence_hex(unsigned char, cmd, |
255 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
256 | ), |
257 | ||
258 | TP_code_post() | |
f62b389e | 259 | ) |
8a9f549f | 260 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e | 261 | |
e064edf1 | 262 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)) |
f62b389e MD |
263 | /** |
264 | * block_rq_abort - abort block operation request | |
265 | * @q: queue containing the block operation request | |
266 | * @rq: block IO operation request | |
267 | * | |
268 | * Called immediately after pending block IO operation request @rq in | |
269 | * queue @q is aborted. The fields in the operation request @rq | |
270 | * can be examined to determine which device and sectors the pending | |
271 | * operation would access. | |
272 | */ | |
3bc29f0a | 273 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, |
f62b389e MD |
274 | |
275 | TP_PROTO(struct request_queue *q, struct request *rq), | |
276 | ||
277 | TP_ARGS(q, rq) | |
278 | ) | |
e064edf1 | 279 | #endif |
f62b389e MD |
280 | |
281 | /** | |
282 | * block_rq_requeue - place block IO request back on a queue | |
283 | * @q: queue holding operation | |
284 | * @rq: block IO operation request | |
285 | * | |
286 | * The block operation request @rq is being placed back into queue | |
287 | * @q. For some reason the request was not completed and needs to be | |
288 | * put back in the queue. | |
289 | */ | |
e064edf1 MJ |
290 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
291 | LTTNG_TRACEPOINT_EVENT(block_rq_requeue, | |
292 | ||
293 | TP_PROTO(struct request_queue *q, struct request *rq), | |
294 | ||
295 | TP_ARGS(q, rq), | |
296 | ||
297 | TP_FIELDS( | |
298 | ctf_integer(dev_t, dev, | |
299 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
300 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
301 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
302 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
303 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
304 | ) | |
305 | ) | |
306 | #else | |
3bc29f0a | 307 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue, |
f62b389e MD |
308 | |
309 | TP_PROTO(struct request_queue *q, struct request *rq), | |
310 | ||
311 | TP_ARGS(q, rq) | |
312 | ) | |
e064edf1 | 313 | #endif |
f62b389e | 314 | |
1c53e689 MD |
315 | /** |
316 | * block_rq_complete - block IO operation completed by device driver | |
317 | * @q: queue containing the block operation request | |
318 | * @rq: block operations request | |
319 | * @nr_bytes: number of completed bytes | |
320 | * | |
321 | * The block_rq_complete tracepoint event indicates that some portion | |
322 | * of operation request has been completed by the device driver. If | |
323 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
324 | * do for the request. If @rq->bio is non-NULL then there is | |
325 | * additional work required to complete the request. | |
326 | */ | |
e064edf1 MJ |
327 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
328 | LTTNG_TRACEPOINT_EVENT(block_rq_complete, | |
329 | ||
330 | TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), | |
331 | ||
332 | TP_ARGS(rq, error, nr_bytes), | |
333 | ||
334 | TP_FIELDS( | |
335 | ctf_integer(dev_t, dev, | |
336 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
337 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
338 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
339 | ctf_integer(int, error, error) | |
340 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
341 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
342 | ) | |
343 | ) | |
344 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
345 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
346 | ||
347 | TP_PROTO(struct request_queue *q, struct request *rq, | |
348 | unsigned int nr_bytes), | |
349 | ||
350 | TP_ARGS(q, rq, nr_bytes), | |
351 | ||
352 | TP_locvar( | |
353 | unsigned char *cmd; | |
354 | size_t cmd_len; | |
355 | ), | |
356 | ||
357 | TP_code_pre( | |
358 | if (blk_rq_is_scsi(rq)) { | |
359 | struct scsi_request *scsi_rq = scsi_req(rq); | |
360 | tp_locvar->cmd = scsi_rq->cmd; | |
361 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
362 | } else { | |
363 | tp_locvar->cmd = NULL; | |
364 | tp_locvar->cmd_len = 0; | |
365 | } | |
366 | ), | |
367 | ||
368 | TP_FIELDS( | |
369 | ctf_integer(dev_t, dev, | |
370 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
371 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
372 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
373 | ctf_integer(int, errors, rq->errors) | |
374 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
375 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
376 | ctf_sequence_hex(unsigned char, cmd, | |
377 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
378 | ), | |
379 | ||
380 | TP_code_post() | |
381 | ) | |
382 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \ | |
383 | || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \ | |
384 | || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \ | |
385 | || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \ | |
386 | || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \ | |
387 | || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \ | |
388 | || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0)) | |
389 | ||
f127e61e | 390 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
1c53e689 MD |
391 | |
392 | TP_PROTO(struct request_queue *q, struct request *rq, | |
393 | unsigned int nr_bytes), | |
394 | ||
395 | TP_ARGS(q, rq, nr_bytes), | |
396 | ||
f127e61e MD |
397 | TP_locvar( |
398 | unsigned char *cmd; | |
399 | size_t cmd_len; | |
1c53e689 MD |
400 | ), |
401 | ||
265822ae | 402 | TP_code_pre( |
f127e61e MD |
403 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
404 | tp_locvar->cmd = rq->cmd; | |
405 | tp_locvar->cmd_len = rq->cmd_len; | |
406 | } else { | |
407 | tp_locvar->cmd = NULL; | |
408 | tp_locvar->cmd_len = 0; | |
409 | } | |
1c53e689 MD |
410 | ), |
411 | ||
f127e61e MD |
412 | TP_FIELDS( |
413 | ctf_integer(dev_t, dev, | |
414 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
415 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
416 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
417 | ctf_integer(int, errors, rq->errors) | |
418 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 419 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) |
f127e61e MD |
420 | ctf_sequence_hex(unsigned char, cmd, |
421 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
422 | ), |
423 | ||
424 | TP_code_post() | |
1c53e689 MD |
425 | ) |
426 | ||
427 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ | |
428 | ||
f62b389e MD |
429 | /** |
430 | * block_rq_complete - block IO operation completed by device driver | |
431 | * @q: queue containing the block operation request | |
432 | * @rq: block operations request | |
433 | * | |
434 | * The block_rq_complete tracepoint event indicates that some portion | |
435 | * of operation request has been completed by the device driver. If | |
436 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
437 | * do for the request. If @rq->bio is non-NULL then there is | |
438 | * additional work required to complete the request. | |
439 | */ | |
3bc29f0a | 440 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, |
f62b389e MD |
441 | |
442 | TP_PROTO(struct request_queue *q, struct request *rq), | |
443 | ||
444 | TP_ARGS(q, rq) | |
445 | ) | |
446 | ||
1c53e689 MD |
447 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ |
448 | ||
e064edf1 MJ |
449 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
450 | LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, | |
451 | ||
452 | TP_PROTO(struct request_queue *q, struct request *rq), | |
453 | ||
454 | TP_ARGS(q, rq), | |
455 | ||
456 | TP_FIELDS( | |
457 | ctf_integer(dev_t, dev, | |
458 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
459 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
460 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
461 | ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) | |
462 | ctf_integer(pid_t, tid, current->pid) | |
463 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
464 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
465 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
466 | ) | |
467 | ) | |
468 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
469 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
470 | ||
471 | TP_PROTO(struct request_queue *q, struct request *rq), | |
472 | ||
473 | TP_ARGS(q, rq), | |
474 | ||
475 | TP_locvar( | |
476 | sector_t sector; | |
477 | unsigned int nr_sector; | |
478 | unsigned int bytes; | |
479 | unsigned char *cmd; | |
480 | size_t cmd_len; | |
481 | ), | |
482 | ||
483 | TP_code_pre( | |
484 | if (blk_rq_is_scsi(rq)) { | |
485 | struct scsi_request *scsi_rq = scsi_req(rq); | |
486 | tp_locvar->sector = 0; | |
487 | tp_locvar->nr_sector = 0; | |
488 | tp_locvar->bytes = scsi_rq->resid_len; | |
489 | tp_locvar->cmd = scsi_rq->cmd; | |
490 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
491 | } else { | |
492 | tp_locvar->sector = blk_rq_pos(rq); | |
493 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
494 | tp_locvar->bytes = 0; | |
495 | tp_locvar->cmd = NULL; | |
496 | tp_locvar->cmd_len = 0; | |
497 | } | |
498 | ), | |
499 | ||
500 | TP_FIELDS( | |
501 | ctf_integer(dev_t, dev, | |
502 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
503 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
504 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
505 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
506 | ctf_integer(pid_t, tid, current->pid) | |
507 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
508 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
509 | ctf_sequence_hex(unsigned char, cmd, | |
510 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
511 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
512 | ), | |
513 | ||
514 | TP_code_post() | |
515 | ) | |
516 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
f127e61e | 517 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
f62b389e MD |
518 | |
519 | TP_PROTO(struct request_queue *q, struct request *rq), | |
520 | ||
521 | TP_ARGS(q, rq), | |
522 | ||
f127e61e MD |
523 | TP_locvar( |
524 | sector_t sector; | |
525 | unsigned int nr_sector; | |
526 | unsigned int bytes; | |
527 | unsigned char *cmd; | |
528 | size_t cmd_len; | |
f62b389e MD |
529 | ), |
530 | ||
265822ae | 531 | TP_code_pre( |
f127e61e MD |
532 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
533 | tp_locvar->sector = 0; | |
534 | tp_locvar->nr_sector = 0; | |
535 | tp_locvar->bytes = blk_rq_bytes(rq); | |
536 | tp_locvar->cmd = rq->cmd; | |
537 | tp_locvar->cmd_len = rq->cmd_len; | |
538 | } else { | |
539 | tp_locvar->sector = blk_rq_pos(rq); | |
540 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
541 | tp_locvar->bytes = 0; | |
542 | tp_locvar->cmd = NULL; | |
543 | tp_locvar->cmd_len = 0; | |
544 | } | |
f62b389e MD |
545 | ), |
546 | ||
f127e61e MD |
547 | TP_FIELDS( |
548 | ctf_integer(dev_t, dev, | |
549 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
550 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
551 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
552 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
553 | ctf_integer(pid_t, tid, current->pid) | |
554 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 555 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
556 | ctf_sequence_hex(unsigned char, cmd, |
557 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
558 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
265822ae MD |
559 | ), |
560 | ||
561 | TP_code_post() | |
f62b389e | 562 | ) |
8a9f549f | 563 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e MD |
564 | |
565 | /** | |
566 | * block_rq_insert - insert block operation request into queue | |
567 | * @q: target queue | |
568 | * @rq: block IO operation request | |
569 | * | |
570 | * Called immediately before block operation request @rq is inserted | |
571 | * into queue @q. The fields in the operation request @rq struct can | |
572 | * be examined to determine which device and sectors the pending | |
573 | * operation would access. | |
574 | */ | |
3bc29f0a | 575 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
f62b389e MD |
576 | |
577 | TP_PROTO(struct request_queue *q, struct request *rq), | |
578 | ||
579 | TP_ARGS(q, rq) | |
580 | ) | |
581 | ||
582 | /** | |
583 | * block_rq_issue - issue pending block IO request operation to device driver | |
584 | * @q: queue holding operation | |
585 | * @rq: block IO operation operation request | |
586 | * | |
587 | * Called when block operation request @rq from queue @q is sent to a | |
588 | * device driver for processing. | |
589 | */ | |
3bc29f0a | 590 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
f62b389e MD |
591 | |
592 | TP_PROTO(struct request_queue *q, struct request *rq), | |
593 | ||
594 | TP_ARGS(q, rq) | |
595 | ) | |
596 | ||
597 | /** | |
598 | * block_bio_bounce - used bounce buffer when processing block operation | |
599 | * @q: queue holding the block operation | |
600 | * @bio: block operation | |
601 | * | |
602 | * A bounce buffer was used to handle the block operation @bio in @q. | |
603 | * This occurs when hardware limitations prevent a direct transfer of | |
604 | * data between the @bio data memory area and the IO device. Use of a | |
605 | * bounce buffer requires extra copying of data and decreases | |
606 | * performance. | |
607 | */ | |
3bc29f0a | 608 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
f62b389e MD |
609 | |
610 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
611 | ||
612 | TP_ARGS(q, bio), | |
613 | ||
f127e61e | 614 | TP_FIELDS( |
321e5e89 MD |
615 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
616 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
617 | #else | |
cc0c32f0 | 618 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
321e5e89 | 619 | #endif |
54c4c2e3 | 620 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
621 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
622 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
623 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
624 | lttng_bio_op(bio), lttng_bio_rw(bio), |
625 | bio->bi_iter.bi_size) | |
54c4c2e3 | 626 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
627 | ctf_integer(sector_t, sector, bio->bi_sector) |
628 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
629 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
630 | lttng_bio_op(bio), lttng_bio_rw(bio), |
631 | bio->bi_size) | |
54c4c2e3 | 632 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
633 | ctf_integer(pid_t, tid, current->pid) |
634 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
635 | ) | |
f62b389e MD |
636 | ) |
637 | ||
638 | /** | |
639 | * block_bio_complete - completed all work on the block operation | |
640 | * @q: queue holding the block operation | |
641 | * @bio: block operation completed | |
642 | * @error: io error value | |
643 | * | |
644 | * This tracepoint indicates there is no further work to do on this | |
645 | * block IO operation @bio. | |
646 | */ | |
3bc29f0a | 647 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
f62b389e | 648 | |
1bc491fc | 649 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f62b389e MD |
650 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
651 | ||
652 | TP_ARGS(q, bio, error), | |
7c68b363 AG |
653 | #else |
654 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
655 | ||
656 | TP_ARGS(q, bio), | |
657 | #endif | |
f62b389e | 658 | |
f127e61e | 659 | TP_FIELDS( |
321e5e89 MD |
660 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
661 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
662 | #else | |
cc0c32f0 | 663 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 664 | #endif |
54c4c2e3 | 665 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
666 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
667 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
668 | ctf_integer(int, error, error) | |
669 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
670 | lttng_bio_op(bio), lttng_bio_rw(bio), |
671 | bio->bi_iter.bi_size) | |
54c4c2e3 | 672 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
673 | ctf_integer(sector_t, sector, bio->bi_sector) |
674 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
7c68b363 | 675 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f127e61e | 676 | ctf_integer(int, error, error) |
7c68b363 | 677 | #else |
f127e61e | 678 | ctf_integer(int, error, 0) |
7c68b363 | 679 | #endif |
f127e61e | 680 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
e6d2cc09 | 681 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 682 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e | 683 | ) |
f62b389e MD |
684 | ) |
685 | ||
217f66c6 | 686 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 687 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
217f66c6 MD |
688 | |
689 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
690 | ||
691 | TP_ARGS(q, rq, bio), | |
692 | ||
f127e61e | 693 | TP_FIELDS( |
321e5e89 MD |
694 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
695 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
696 | #else | |
cc0c32f0 | 697 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 698 | #endif |
54c4c2e3 | 699 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
700 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
701 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
702 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
703 | lttng_bio_op(bio), lttng_bio_rw(bio), |
704 | bio->bi_iter.bi_size) | |
54c4c2e3 | 705 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
706 | ctf_integer(sector_t, sector, bio->bi_sector) |
707 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
708 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 709 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 710 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
711 | ctf_integer(pid_t, tid, current->pid) |
712 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
713 | ) | |
217f66c6 MD |
714 | ) |
715 | ||
716 | /** | |
717 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
718 | * @q: queue holding operation | |
719 | * @bio: new block operation to merge | |
720 | * | |
721 | * Merging block request @bio to the end of an existing block request | |
722 | * in queue @q. | |
723 | */ | |
3bc29f0a | 724 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, |
217f66c6 MD |
725 | |
726 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
727 | ||
728 | TP_ARGS(q, rq, bio) | |
729 | ) | |
730 | ||
731 | /** | |
732 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
733 | * @q: queue holding operation | |
734 | * @bio: new block operation to merge | |
735 | * | |
736 | * Merging block IO operation @bio to the beginning of an existing block | |
737 | * operation in queue @q. | |
738 | */ | |
3bc29f0a | 739 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, |
217f66c6 MD |
740 | |
741 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
742 | ||
743 | TP_ARGS(q, rq, bio) | |
744 | ) | |
745 | ||
746 | /** | |
747 | * block_bio_queue - putting new block IO operation in queue | |
748 | * @q: queue holding operation | |
749 | * @bio: new block operation | |
750 | * | |
751 | * About to place the block IO operation @bio into queue @q. | |
752 | */ | |
3bc29f0a | 753 | LTTNG_TRACEPOINT_EVENT(block_bio_queue, |
217f66c6 MD |
754 | |
755 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
756 | ||
757 | TP_ARGS(q, bio), | |
758 | ||
f127e61e | 759 | TP_FIELDS( |
321e5e89 MD |
760 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
761 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
762 | #else | |
cc0c32f0 | 763 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 764 | #endif |
54c4c2e3 | 765 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
766 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
767 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
768 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
769 | lttng_bio_op(bio), lttng_bio_rw(bio), |
770 | bio->bi_iter.bi_size) | |
54c4c2e3 | 771 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
772 | ctf_integer(sector_t, sector, bio->bi_sector) |
773 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
774 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 775 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 776 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
777 | ctf_integer(pid_t, tid, current->pid) |
778 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
779 | ) | |
217f66c6 | 780 | ) |
f127e61e | 781 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
3bc29f0a | 782 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, |
f62b389e MD |
783 | |
784 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
785 | ||
786 | TP_ARGS(q, bio), | |
787 | ||
f127e61e | 788 | TP_FIELDS( |
cc0c32f0 | 789 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
f127e61e MD |
790 | ctf_integer(sector_t, sector, bio->bi_sector) |
791 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
792 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 793 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
f127e61e MD |
794 | ctf_integer(pid_t, tid, current->pid) |
795 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
796 | ) | |
f62b389e MD |
797 | ) |
798 | ||
799 | /** | |
800 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
801 | * @q: queue holding operation | |
802 | * @bio: new block operation to merge | |
803 | * | |
804 | * Merging block request @bio to the end of an existing block request | |
805 | * in queue @q. | |
806 | */ | |
3bc29f0a | 807 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, |
f62b389e MD |
808 | |
809 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
810 | ||
811 | TP_ARGS(q, bio) | |
812 | ) | |
813 | ||
814 | /** | |
815 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
816 | * @q: queue holding operation | |
817 | * @bio: new block operation to merge | |
818 | * | |
819 | * Merging block IO operation @bio to the beginning of an existing block | |
820 | * operation in queue @q. | |
821 | */ | |
3bc29f0a | 822 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, |
f62b389e MD |
823 | |
824 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
825 | ||
826 | TP_ARGS(q, bio) | |
827 | ) | |
828 | ||
829 | /** | |
830 | * block_bio_queue - putting new block IO operation in queue | |
831 | * @q: queue holding operation | |
832 | * @bio: new block operation | |
833 | * | |
834 | * About to place the block IO operation @bio into queue @q. | |
835 | */ | |
3bc29f0a | 836 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, |
f62b389e MD |
837 | |
838 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
839 | ||
840 | TP_ARGS(q, bio) | |
841 | ) | |
f127e61e | 842 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
f62b389e | 843 | |
3bc29f0a | 844 | LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, |
f62b389e MD |
845 | |
846 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
847 | ||
848 | TP_ARGS(q, bio, rw), | |
849 | ||
f127e61e | 850 | TP_FIELDS( |
321e5e89 | 851 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
007272b3 | 852 | ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0) |
321e5e89 | 853 | #else |
cc0c32f0 | 854 | ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0) |
321e5e89 | 855 | #endif |
54c4c2e3 | 856 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
857 | ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0) |
858 | ctf_integer(unsigned int, nr_sector, | |
859 | bio ? bio_sectors(bio) : 0) | |
860 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
861 | bio ? lttng_bio_op(bio) : 0, |
862 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 863 | bio ? bio->bi_iter.bi_size : 0) |
54c4c2e3 | 864 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
865 | ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0) |
866 | ctf_integer(unsigned int, nr_sector, | |
867 | bio ? bio->bi_size >> 9 : 0) | |
868 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
869 | bio ? lttng_bio_op(bio) : 0, |
870 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 871 | bio ? bio->bi_size : 0) |
54c4c2e3 | 872 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
873 | ctf_integer(pid_t, tid, current->pid) |
874 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
875 | ) | |
f62b389e MD |
876 | ) |
877 | ||
878 | /** | |
879 | * block_getrq - get a free request entry in queue for block IO operations | |
880 | * @q: queue for operations | |
007272b3 | 881 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
882 | * @rw: low bit indicates a read (%0) or a write (%1) |
883 | * | |
884 | * A request struct for queue @q has been allocated to handle the | |
885 | * block IO operation @bio. | |
886 | */ | |
3bc29f0a | 887 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, |
f62b389e MD |
888 | |
889 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
890 | ||
891 | TP_ARGS(q, bio, rw) | |
892 | ) | |
893 | ||
894 | /** | |
895 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation | |
896 | * @q: queue for operation | |
007272b3 | 897 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
898 | * @rw: low bit indicates a read (%0) or a write (%1) |
899 | * | |
900 | * In the case where a request struct cannot be provided for queue @q | |
901 | * the process needs to wait for an request struct to become | |
902 | * available. This tracepoint event is generated each time the | |
903 | * process goes to sleep waiting for request struct become available. | |
904 | */ | |
3bc29f0a | 905 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq, |
f62b389e MD |
906 | |
907 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
908 | ||
909 | TP_ARGS(q, bio, rw) | |
910 | ) | |
911 | ||
912 | /** | |
913 | * block_plug - keep operations requests in request queue | |
914 | * @q: request queue to plug | |
915 | * | |
916 | * Plug the request queue @q. Do not allow block operation requests | |
917 | * to be sent to the device driver. Instead, accumulate requests in | |
918 | * the queue to improve throughput performance of the block device. | |
919 | */ | |
3bc29f0a | 920 | LTTNG_TRACEPOINT_EVENT(block_plug, |
f62b389e MD |
921 | |
922 | TP_PROTO(struct request_queue *q), | |
923 | ||
924 | TP_ARGS(q), | |
925 | ||
f127e61e MD |
926 | TP_FIELDS( |
927 | ctf_integer(pid_t, tid, current->pid) | |
928 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
929 | ) | |
f62b389e MD |
930 | ) |
931 | ||
3bc29f0a | 932 | LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, |
f62b389e | 933 | |
7c68b363 | 934 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
935 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
936 | ||
937 | TP_ARGS(q, depth, explicit), | |
7c68b363 AG |
938 | #else |
939 | TP_PROTO(struct request_queue *q), | |
940 | ||
941 | TP_ARGS(q), | |
942 | #endif | |
f62b389e | 943 | |
f127e61e | 944 | TP_FIELDS( |
7c68b363 | 945 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f127e61e | 946 | ctf_integer(int, nr_rq, depth) |
7c68b363 | 947 | #else |
f127e61e | 948 | ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE]) |
7c68b363 | 949 | #endif |
f127e61e MD |
950 | ctf_integer(pid_t, tid, current->pid) |
951 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
952 | ) | |
f62b389e MD |
953 | ) |
954 | ||
7c68b363 AG |
955 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)) |
956 | /** | |
957 | * block_unplug_timer - timed release of operations requests in queue to device driver | |
958 | * @q: request queue to unplug | |
959 | * | |
960 | * Unplug the request queue @q because a timer expired and allow block | |
961 | * operation requests to be sent to the device driver. | |
962 | */ | |
3bc29f0a | 963 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer, |
7c68b363 AG |
964 | |
965 | TP_PROTO(struct request_queue *q), | |
966 | ||
967 | TP_ARGS(q) | |
968 | ) | |
969 | #endif | |
970 | ||
f62b389e MD |
971 | /** |
972 | * block_unplug - release of operations requests in request queue | |
973 | * @q: request queue to unplug | |
974 | * @depth: number of requests just added to the queue | |
975 | * @explicit: whether this was an explicit unplug, or one from schedule() | |
976 | * | |
977 | * Unplug request queue @q because device driver is scheduled to work | |
978 | * on elements in the request queue. | |
979 | */ | |
7c68b363 | 980 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
3bc29f0a | 981 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, |
7c68b363 | 982 | #else |
3bc29f0a | 983 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io, |
7c68b363 | 984 | #endif |
f62b389e | 985 | |
7c68b363 | 986 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
987 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
988 | ||
989 | TP_ARGS(q, depth, explicit) | |
7c68b363 AG |
990 | #else |
991 | TP_PROTO(struct request_queue *q), | |
992 | ||
993 | TP_ARGS(q) | |
994 | #endif | |
f62b389e MD |
995 | ) |
996 | ||
997 | /** | |
998 | * block_split - split a single bio struct into two bio structs | |
999 | * @q: queue containing the bio | |
1000 | * @bio: block operation being split | |
1001 | * @new_sector: The starting sector for the new bio | |
1002 | * | |
1003 | * The bio request @bio in request queue @q needs to be split into two | |
1004 | * bio requests. The newly created @bio request starts at | |
1005 | * @new_sector. This split may be required due to hardware limitation | |
1006 | * such as operation crossing device boundaries in a RAID system. | |
1007 | */ | |
3bc29f0a | 1008 | LTTNG_TRACEPOINT_EVENT(block_split, |
f62b389e MD |
1009 | |
1010 | TP_PROTO(struct request_queue *q, struct bio *bio, | |
1011 | unsigned int new_sector), | |
1012 | ||
1013 | TP_ARGS(q, bio, new_sector), | |
1014 | ||
f127e61e | 1015 | TP_FIELDS( |
321e5e89 MD |
1016 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1017 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1018 | #else | |
cc0c32f0 | 1019 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 1020 | #endif |
54c4c2e3 | 1021 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
1022 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1023 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
1024 | lttng_bio_op(bio), lttng_bio_rw(bio), |
1025 | bio->bi_iter.bi_size) | |
54c4c2e3 | 1026 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1027 | ctf_integer(sector_t, sector, bio->bi_sector) |
1028 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1029 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 1030 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1031 | ctf_integer(sector_t, new_sector, new_sector) |
1032 | ctf_integer(pid_t, tid, current->pid) | |
1033 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
1034 | ) | |
f62b389e MD |
1035 | ) |
1036 | ||
1037 | /** | |
1038 | * block_bio_remap - map request for a logical device to the raw device | |
1039 | * @q: queue holding the operation | |
1040 | * @bio: revised operation | |
1041 | * @dev: device for the operation | |
1042 | * @from: original sector for the operation | |
1043 | * | |
1044 | * An operation for a logical device has been mapped to the | |
1045 | * raw block device. | |
1046 | */ | |
7c68b363 | 1047 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
3bc29f0a | 1048 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
7c68b363 | 1049 | #else |
3bc29f0a | 1050 | LTTNG_TRACEPOINT_EVENT(block_remap, |
7c68b363 | 1051 | #endif |
f62b389e MD |
1052 | |
1053 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, | |
1054 | sector_t from), | |
1055 | ||
1056 | TP_ARGS(q, bio, dev, from), | |
1057 | ||
f127e61e | 1058 | TP_FIELDS( |
321e5e89 MD |
1059 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1060 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1061 | #else | |
cc0c32f0 | 1062 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 1063 | #endif |
54c4c2e3 | 1064 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
1065 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1066 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
1067 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
1068 | lttng_bio_op(bio), lttng_bio_rw(bio), |
1069 | bio->bi_iter.bi_size) | |
54c4c2e3 | 1070 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1071 | ctf_integer(sector_t, sector, bio->bi_sector) |
1072 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
1073 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1074 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 1075 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1076 | ctf_integer(dev_t, old_dev, dev) |
1077 | ctf_integer(sector_t, old_sector, from) | |
1078 | ) | |
f62b389e MD |
1079 | ) |
1080 | ||
7c68b363 | 1081 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e MD |
1082 | /** |
1083 | * block_rq_remap - map request for a block operation request | |
1084 | * @q: queue holding the operation | |
1085 | * @rq: block IO operation request | |
1086 | * @dev: device for the operation | |
1087 | * @from: original sector for the operation | |
1088 | * | |
1089 | * The block operation request @rq in @q has been remapped. The block | |
1090 | * operation request @rq holds the current information and @from hold | |
1091 | * the original sector. | |
1092 | */ | |
3bc29f0a | 1093 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
f62b389e MD |
1094 | |
1095 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, | |
1096 | sector_t from), | |
1097 | ||
1098 | TP_ARGS(q, rq, dev, from), | |
1099 | ||
f127e61e MD |
1100 | TP_FIELDS( |
1101 | ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) | |
1102 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
1103 | ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) | |
1104 | ctf_integer(dev_t, old_dev, dev) | |
1105 | ctf_integer(sector_t, old_sector, from) | |
1106 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1107 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e | 1108 | ) |
f62b389e | 1109 | ) |
7c68b363 | 1110 | #endif |
f62b389e MD |
1111 | |
1112 | #undef __print_rwbs_flags | |
1113 | #undef blk_fill_rwbs | |
1114 | ||
3bc29f0a | 1115 | #endif /* LTTNG_TRACE_BLOCK_H */ |
f62b389e MD |
1116 | |
1117 | /* This part must be outside protection */ | |
6ec43db8 | 1118 | #include <probes/define_trace.h> |