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