Commit | Line | Data |
---|---|---|
9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
f62b389e MD |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM block | |
4 | ||
3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define LTTNG_TRACE_BLOCK_H | |
f62b389e | 7 | |
6ec43db8 | 8 | #include <probes/lttng-tracepoint-event.h> |
f62b389e MD |
9 | #include <linux/blktrace_api.h> |
10 | #include <linux/blkdev.h> | |
f62b389e | 11 | #include <linux/trace_seq.h> |
7c68b363 AG |
12 | #include <linux/version.h> |
13 | ||
8a9f549f FD |
14 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) |
15 | #include <scsi/scsi_request.h> | |
16 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
17 | ||
f62b389e MD |
18 | #ifndef _TRACE_BLOCK_DEF_ |
19 | #define _TRACE_BLOCK_DEF_ | |
20 | ||
f62b389e MD |
21 | enum { |
22 | RWBS_FLAG_WRITE = (1 << 0), | |
23 | RWBS_FLAG_DISCARD = (1 << 1), | |
24 | RWBS_FLAG_READ = (1 << 2), | |
25 | RWBS_FLAG_RAHEAD = (1 << 3), | |
7c68b363 AG |
26 | RWBS_FLAG_BARRIER = (1 << 4), |
27 | RWBS_FLAG_SYNC = (1 << 5), | |
28 | RWBS_FLAG_META = (1 << 6), | |
29 | RWBS_FLAG_SECURE = (1 << 7), | |
30 | RWBS_FLAG_FLUSH = (1 << 8), | |
31 | RWBS_FLAG_FUA = (1 << 9), | |
e6d2cc09 | 32 | RWBS_FLAG_PREFLUSH = (1 << 10), |
f62b389e MD |
33 | }; |
34 | ||
35 | #endif /* _TRACE_BLOCK_DEF_ */ | |
36 | ||
0d36dee7 GB |
37 | LTTNG_TRACEPOINT_ENUM(block_rq_type, |
38 | TP_ENUM_VALUES( | |
39 | ctf_enum_value("RWBS_FLAG_WRITE", RWBS_FLAG_WRITE) | |
40 | ctf_enum_value("RWBS_FLAG_DISCARD", RWBS_FLAG_DISCARD) | |
41 | ctf_enum_value("RWBS_FLAG_READ", RWBS_FLAG_READ) | |
42 | ctf_enum_value("RWBS_FLAG_RAHEAD", RWBS_FLAG_RAHEAD) | |
43 | ctf_enum_value("RWBS_FLAG_BARRIER", RWBS_FLAG_BARRIER) | |
44 | ctf_enum_value("RWBS_FLAG_SYNC", RWBS_FLAG_SYNC) | |
45 | ctf_enum_value("RWBS_FLAG_META", RWBS_FLAG_META) | |
46 | ctf_enum_value("RWBS_FLAG_SECURE", RWBS_FLAG_SECURE) | |
47 | ctf_enum_value("RWBS_FLAG_FLUSH", RWBS_FLAG_FLUSH) | |
48 | ctf_enum_value("RWBS_FLAG_FUA", RWBS_FLAG_FUA) | |
49 | ctf_enum_value("RWBS_FLAG_PREFLUSH", RWBS_FLAG_PREFLUSH) | |
50 | ) | |
51 | ) | |
52 | ||
d5e97fbf | 53 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \ |
0badc02f MJ |
54 | LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \ |
55 | LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \ | |
56 | LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \ | |
57 | LTTNG_SLE_KERNEL_RANGE(4,4,103,6,0,0, 4,4,103,7,0,0) || \ | |
58 | LTTNG_SLE_KERNEL_RANGE(4,4,114,94,0,0, 4,4,114,95,0,0) || \ | |
59 | LTTNG_SLE_KERNEL_RANGE(4,4,120,94,0,0, 4,4,120,95,0,0) || \ | |
60 | LTTNG_SLE_KERNEL_RANGE(4,4,126,94,0,0, 4,5,0,0,0,0)) | |
e6d2cc09 MD |
61 | |
62 | #define lttng_req_op(rq) req_op(rq) | |
63 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
64 | #define lttng_bio_op(bio) bio_op(bio) | |
65 | #define lttng_bio_rw(bio) ((bio)->bi_opf) | |
66 | ||
67 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
0d36dee7 | 68 | ctf_enum(block_rq_type, type, rwbs, \ |
e6d2cc09 MD |
69 | (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \ |
70 | ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \ | |
71 | ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \ | |
72 | ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \ | |
73 | ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \ | |
74 | ( 0 )))))) \ | |
75 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
76 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
77 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
78 | | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \ | |
79 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
80 | ||
81 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
7c68b363 | 82 | |
e6d2cc09 MD |
83 | #define lttng_req_op(rq) |
84 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
85 | #define lttng_bio_op(bio) | |
86 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
87 | ||
88 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
0d36dee7 | 89 | ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
90 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
91 | ( (bytes) ? RWBS_FLAG_READ : \ | |
92 | ( 0 )))) \ | |
93 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
94 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
95 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
96 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \ | |
97 | | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \ | |
98 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
99 | ||
5093a483 | 100 | #else |
7c68b363 | 101 | |
e6d2cc09 MD |
102 | #define lttng_req_op(rq) |
103 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
104 | #define lttng_bio_op(bio) | |
105 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
106 | ||
107 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
0d36dee7 | 108 | ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
109 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
110 | ( (bytes) ? RWBS_FLAG_READ : \ | |
111 | ( 0 )))) \ | |
112 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
7c68b363 AG |
113 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ |
114 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
115 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
116 | ||
7c68b363 AG |
117 | #endif |
118 | ||
217f66c6 | 119 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 120 | LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, |
217f66c6 MD |
121 | |
122 | TP_PROTO(struct buffer_head *bh), | |
123 | ||
124 | TP_ARGS(bh), | |
125 | ||
f127e61e MD |
126 | TP_FIELDS ( |
127 | ctf_integer(dev_t, dev, bh->b_bdev->bd_dev) | |
128 | ctf_integer(sector_t, sector, bh->b_blocknr) | |
129 | ctf_integer(size_t, size, bh->b_size) | |
217f66c6 MD |
130 | ) |
131 | ) | |
132 | ||
133 | /** | |
134 | * block_touch_buffer - mark a buffer accessed | |
135 | * @bh: buffer_head being touched | |
136 | * | |
137 | * Called from touch_buffer(). | |
138 | */ | |
3bc29f0a | 139 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, |
217f66c6 MD |
140 | |
141 | TP_PROTO(struct buffer_head *bh), | |
142 | ||
143 | TP_ARGS(bh) | |
144 | ) | |
145 | ||
146 | /** | |
147 | * block_dirty_buffer - mark a buffer dirty | |
148 | * @bh: buffer_head being dirtied | |
149 | * | |
150 | * Called from mark_buffer_dirty(). | |
151 | */ | |
3bc29f0a | 152 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, |
217f66c6 MD |
153 | |
154 | TP_PROTO(struct buffer_head *bh), | |
155 | ||
156 | TP_ARGS(bh) | |
157 | ) | |
158 | #endif | |
159 | ||
d2457078 MJ |
160 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
161 | /* block_rq_with_error event class removed in kernel 4.12 */ | |
162 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
f127e61e | 163 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, |
f62b389e MD |
164 | |
165 | TP_PROTO(struct request_queue *q, struct request *rq), | |
166 | ||
167 | TP_ARGS(q, rq), | |
168 | ||
f127e61e MD |
169 | TP_locvar( |
170 | sector_t sector; | |
171 | unsigned int nr_sector; | |
172 | unsigned char *cmd; | |
173 | size_t cmd_len; | |
f62b389e MD |
174 | ), |
175 | ||
265822ae | 176 | TP_code_pre( |
8a9f549f FD |
177 | if (blk_rq_is_scsi(rq)) { |
178 | struct scsi_request *scsi_rq = scsi_req(rq); | |
179 | tp_locvar->sector = 0; | |
180 | tp_locvar->nr_sector = 0; | |
181 | tp_locvar->cmd = scsi_rq->cmd; | |
182 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
183 | } else { | |
184 | tp_locvar->sector = blk_rq_pos(rq); | |
185 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
186 | tp_locvar->cmd = NULL; | |
187 | tp_locvar->cmd_len = 0; | |
188 | } | |
189 | ), | |
190 | ||
191 | TP_FIELDS( | |
192 | ctf_integer(dev_t, dev, | |
193 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
194 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
195 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
196 | ctf_integer(int, errors, rq->errors) | |
197 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
198 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
199 | ctf_sequence_hex(unsigned char, cmd, | |
200 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
201 | ), | |
202 | ||
203 | TP_code_post() | |
204 | ) | |
205 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
206 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, | |
207 | ||
208 | TP_PROTO(struct request_queue *q, struct request *rq), | |
209 | ||
210 | TP_ARGS(q, rq), | |
211 | ||
212 | TP_locvar( | |
213 | sector_t sector; | |
214 | unsigned int nr_sector; | |
215 | unsigned char *cmd; | |
216 | size_t cmd_len; | |
217 | ), | |
218 | ||
219 | TP_code_pre( | |
220 | ||
f127e61e MD |
221 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
222 | tp_locvar->sector = 0; | |
223 | tp_locvar->nr_sector = 0; | |
224 | tp_locvar->cmd = rq->cmd; | |
225 | tp_locvar->cmd_len = rq->cmd_len; | |
226 | } else { | |
227 | tp_locvar->sector = blk_rq_pos(rq); | |
228 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
229 | tp_locvar->cmd = NULL; | |
230 | tp_locvar->cmd_len = 0; | |
231 | } | |
f62b389e MD |
232 | ), |
233 | ||
f127e61e MD |
234 | TP_FIELDS( |
235 | ctf_integer(dev_t, dev, | |
236 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
237 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
238 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
239 | ctf_integer(int, errors, rq->errors) | |
240 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 241 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
242 | ctf_sequence_hex(unsigned char, cmd, |
243 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
244 | ), |
245 | ||
246 | TP_code_post() | |
f62b389e | 247 | ) |
8a9f549f | 248 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e | 249 | |
d2457078 | 250 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)) |
f62b389e MD |
251 | /** |
252 | * block_rq_abort - abort block operation request | |
253 | * @q: queue containing the block operation request | |
254 | * @rq: block IO operation request | |
255 | * | |
256 | * Called immediately after pending block IO operation request @rq in | |
257 | * queue @q is aborted. The fields in the operation request @rq | |
258 | * can be examined to determine which device and sectors the pending | |
259 | * operation would access. | |
260 | */ | |
3bc29f0a | 261 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, |
f62b389e MD |
262 | |
263 | TP_PROTO(struct request_queue *q, struct request *rq), | |
264 | ||
265 | TP_ARGS(q, rq) | |
266 | ) | |
d2457078 | 267 | #endif |
f62b389e MD |
268 | |
269 | /** | |
270 | * block_rq_requeue - place block IO request back on a queue | |
271 | * @q: queue holding operation | |
272 | * @rq: block IO operation request | |
273 | * | |
274 | * The block operation request @rq is being placed back into queue | |
275 | * @q. For some reason the request was not completed and needs to be | |
276 | * put back in the queue. | |
277 | */ | |
d2457078 MJ |
278 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
279 | LTTNG_TRACEPOINT_EVENT(block_rq_requeue, | |
280 | ||
281 | TP_PROTO(struct request_queue *q, struct request *rq), | |
282 | ||
283 | TP_ARGS(q, rq), | |
284 | ||
285 | TP_FIELDS( | |
286 | ctf_integer(dev_t, dev, | |
287 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
288 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
289 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
290 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
291 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
292 | ) | |
293 | ) | |
294 | #else | |
3bc29f0a | 295 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue, |
f62b389e MD |
296 | |
297 | TP_PROTO(struct request_queue *q, struct request *rq), | |
298 | ||
299 | TP_ARGS(q, rq) | |
300 | ) | |
d2457078 | 301 | #endif |
f62b389e | 302 | |
1c53e689 MD |
303 | /** |
304 | * block_rq_complete - block IO operation completed by device driver | |
305 | * @q: queue containing the block operation request | |
306 | * @rq: block operations request | |
307 | * @nr_bytes: number of completed bytes | |
308 | * | |
309 | * The block_rq_complete tracepoint event indicates that some portion | |
310 | * of operation request has been completed by the device driver. If | |
311 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
312 | * do for the request. If @rq->bio is non-NULL then there is | |
313 | * additional work required to complete the request. | |
314 | */ | |
d2457078 MJ |
315 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
316 | LTTNG_TRACEPOINT_EVENT(block_rq_complete, | |
317 | ||
318 | TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), | |
319 | ||
320 | TP_ARGS(rq, error, nr_bytes), | |
321 | ||
322 | TP_FIELDS( | |
323 | ctf_integer(dev_t, dev, | |
324 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
325 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
326 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
327 | ctf_integer(int, error, error) | |
328 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
329 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
330 | ) | |
331 | ) | |
332 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
333 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
334 | ||
335 | TP_PROTO(struct request_queue *q, struct request *rq, | |
336 | unsigned int nr_bytes), | |
337 | ||
338 | TP_ARGS(q, rq, nr_bytes), | |
339 | ||
340 | TP_locvar( | |
341 | unsigned char *cmd; | |
342 | size_t cmd_len; | |
343 | ), | |
344 | ||
345 | TP_code_pre( | |
346 | if (blk_rq_is_scsi(rq)) { | |
347 | struct scsi_request *scsi_rq = scsi_req(rq); | |
348 | tp_locvar->cmd = scsi_rq->cmd; | |
349 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
350 | } else { | |
351 | tp_locvar->cmd = NULL; | |
352 | tp_locvar->cmd_len = 0; | |
353 | } | |
354 | ), | |
355 | ||
356 | TP_FIELDS( | |
357 | ctf_integer(dev_t, dev, | |
358 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
359 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
360 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
361 | ctf_integer(int, errors, rq->errors) | |
362 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
363 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
364 | ctf_sequence_hex(unsigned char, cmd, | |
365 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
366 | ), | |
367 | ||
368 | TP_code_post() | |
369 | ) | |
370 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \ | |
371 | || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \ | |
372 | || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \ | |
373 | || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \ | |
374 | || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \ | |
375 | || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \ | |
376 | || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0)) | |
377 | ||
f127e61e | 378 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
1c53e689 MD |
379 | |
380 | TP_PROTO(struct request_queue *q, struct request *rq, | |
381 | unsigned int nr_bytes), | |
382 | ||
383 | TP_ARGS(q, rq, nr_bytes), | |
384 | ||
f127e61e MD |
385 | TP_locvar( |
386 | unsigned char *cmd; | |
387 | size_t cmd_len; | |
1c53e689 MD |
388 | ), |
389 | ||
265822ae | 390 | TP_code_pre( |
f127e61e MD |
391 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
392 | tp_locvar->cmd = rq->cmd; | |
393 | tp_locvar->cmd_len = rq->cmd_len; | |
394 | } else { | |
395 | tp_locvar->cmd = NULL; | |
396 | tp_locvar->cmd_len = 0; | |
397 | } | |
1c53e689 MD |
398 | ), |
399 | ||
f127e61e MD |
400 | TP_FIELDS( |
401 | ctf_integer(dev_t, dev, | |
402 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
403 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
404 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
405 | ctf_integer(int, errors, rq->errors) | |
406 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 407 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) |
f127e61e MD |
408 | ctf_sequence_hex(unsigned char, cmd, |
409 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
410 | ), |
411 | ||
412 | TP_code_post() | |
1c53e689 MD |
413 | ) |
414 | ||
415 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ | |
416 | ||
f62b389e MD |
417 | /** |
418 | * block_rq_complete - block IO operation completed by device driver | |
419 | * @q: queue containing the block operation request | |
420 | * @rq: block operations request | |
421 | * | |
422 | * The block_rq_complete tracepoint event indicates that some portion | |
423 | * of operation request has been completed by the device driver. If | |
424 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
425 | * do for the request. If @rq->bio is non-NULL then there is | |
426 | * additional work required to complete the request. | |
427 | */ | |
3bc29f0a | 428 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, |
f62b389e MD |
429 | |
430 | TP_PROTO(struct request_queue *q, struct request *rq), | |
431 | ||
432 | TP_ARGS(q, rq) | |
433 | ) | |
434 | ||
1c53e689 MD |
435 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ |
436 | ||
d2457078 MJ |
437 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
438 | LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, | |
439 | ||
440 | TP_PROTO(struct request_queue *q, struct request *rq), | |
441 | ||
442 | TP_ARGS(q, rq), | |
443 | ||
444 | TP_FIELDS( | |
445 | ctf_integer(dev_t, dev, | |
446 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
447 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
448 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
449 | ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) | |
450 | ctf_integer(pid_t, tid, current->pid) | |
451 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
452 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
453 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
454 | ) | |
455 | ) | |
456 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
457 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
458 | ||
459 | TP_PROTO(struct request_queue *q, struct request *rq), | |
460 | ||
461 | TP_ARGS(q, rq), | |
462 | ||
463 | TP_locvar( | |
464 | sector_t sector; | |
465 | unsigned int nr_sector; | |
466 | unsigned int bytes; | |
467 | unsigned char *cmd; | |
468 | size_t cmd_len; | |
469 | ), | |
470 | ||
471 | TP_code_pre( | |
472 | if (blk_rq_is_scsi(rq)) { | |
473 | struct scsi_request *scsi_rq = scsi_req(rq); | |
474 | tp_locvar->sector = 0; | |
475 | tp_locvar->nr_sector = 0; | |
476 | tp_locvar->bytes = scsi_rq->resid_len; | |
477 | tp_locvar->cmd = scsi_rq->cmd; | |
478 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
479 | } else { | |
480 | tp_locvar->sector = blk_rq_pos(rq); | |
481 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
482 | tp_locvar->bytes = 0; | |
483 | tp_locvar->cmd = NULL; | |
484 | tp_locvar->cmd_len = 0; | |
485 | } | |
486 | ), | |
487 | ||
488 | TP_FIELDS( | |
489 | ctf_integer(dev_t, dev, | |
490 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
491 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
492 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
493 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
494 | ctf_integer(pid_t, tid, current->pid) | |
495 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
496 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
497 | ctf_sequence_hex(unsigned char, cmd, | |
498 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
499 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
500 | ), | |
501 | ||
502 | TP_code_post() | |
503 | ) | |
504 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
f127e61e | 505 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
f62b389e MD |
506 | |
507 | TP_PROTO(struct request_queue *q, struct request *rq), | |
508 | ||
509 | TP_ARGS(q, rq), | |
510 | ||
f127e61e MD |
511 | TP_locvar( |
512 | sector_t sector; | |
513 | unsigned int nr_sector; | |
514 | unsigned int bytes; | |
515 | unsigned char *cmd; | |
516 | size_t cmd_len; | |
f62b389e MD |
517 | ), |
518 | ||
265822ae | 519 | TP_code_pre( |
f127e61e MD |
520 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
521 | tp_locvar->sector = 0; | |
522 | tp_locvar->nr_sector = 0; | |
523 | tp_locvar->bytes = blk_rq_bytes(rq); | |
524 | tp_locvar->cmd = rq->cmd; | |
525 | tp_locvar->cmd_len = rq->cmd_len; | |
526 | } else { | |
527 | tp_locvar->sector = blk_rq_pos(rq); | |
528 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
529 | tp_locvar->bytes = 0; | |
530 | tp_locvar->cmd = NULL; | |
531 | tp_locvar->cmd_len = 0; | |
532 | } | |
f62b389e MD |
533 | ), |
534 | ||
f127e61e MD |
535 | TP_FIELDS( |
536 | ctf_integer(dev_t, dev, | |
537 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
538 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
539 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
540 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
541 | ctf_integer(pid_t, tid, current->pid) | |
542 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 543 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
544 | ctf_sequence_hex(unsigned char, cmd, |
545 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
546 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
265822ae MD |
547 | ), |
548 | ||
549 | TP_code_post() | |
f62b389e | 550 | ) |
8a9f549f | 551 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e MD |
552 | |
553 | /** | |
554 | * block_rq_insert - insert block operation request into queue | |
555 | * @q: target queue | |
556 | * @rq: block IO operation request | |
557 | * | |
558 | * Called immediately before block operation request @rq is inserted | |
559 | * into queue @q. The fields in the operation request @rq struct can | |
560 | * be examined to determine which device and sectors the pending | |
561 | * operation would access. | |
562 | */ | |
3bc29f0a | 563 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
f62b389e MD |
564 | |
565 | TP_PROTO(struct request_queue *q, struct request *rq), | |
566 | ||
567 | TP_ARGS(q, rq) | |
568 | ) | |
569 | ||
570 | /** | |
571 | * block_rq_issue - issue pending block IO request operation to device driver | |
572 | * @q: queue holding operation | |
573 | * @rq: block IO operation operation request | |
574 | * | |
575 | * Called when block operation request @rq from queue @q is sent to a | |
576 | * device driver for processing. | |
577 | */ | |
3bc29f0a | 578 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
f62b389e MD |
579 | |
580 | TP_PROTO(struct request_queue *q, struct request *rq), | |
581 | ||
582 | TP_ARGS(q, rq) | |
583 | ) | |
584 | ||
585 | /** | |
586 | * block_bio_bounce - used bounce buffer when processing block operation | |
587 | * @q: queue holding the block operation | |
588 | * @bio: block operation | |
589 | * | |
590 | * A bounce buffer was used to handle the block operation @bio in @q. | |
591 | * This occurs when hardware limitations prevent a direct transfer of | |
592 | * data between the @bio data memory area and the IO device. Use of a | |
593 | * bounce buffer requires extra copying of data and decreases | |
594 | * performance. | |
595 | */ | |
3bc29f0a | 596 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
f62b389e MD |
597 | |
598 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
599 | ||
600 | TP_ARGS(q, bio), | |
601 | ||
f127e61e | 602 | TP_FIELDS( |
7feabe53 MD |
603 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
604 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
605 | #else | |
959fe42a | 606 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
7feabe53 | 607 | #endif |
54c4c2e3 | 608 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
609 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
610 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
611 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
612 | lttng_bio_op(bio), lttng_bio_rw(bio), |
613 | bio->bi_iter.bi_size) | |
54c4c2e3 | 614 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
615 | ctf_integer(sector_t, sector, bio->bi_sector) |
616 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
617 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
618 | lttng_bio_op(bio), lttng_bio_rw(bio), |
619 | bio->bi_size) | |
54c4c2e3 | 620 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
621 | ctf_integer(pid_t, tid, current->pid) |
622 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
623 | ) | |
f62b389e MD |
624 | ) |
625 | ||
fd3d2e78 MJ |
626 | |
627 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0)) | |
628 | /** | |
629 | * block_bio_complete - completed all work on the block operation | |
630 | * @q: queue holding the block operation | |
631 | * @bio: block operation completed | |
632 | * @error: io error value | |
633 | * | |
634 | * This tracepoint indicates there is no further work to do on this | |
635 | * block IO operation @bio. | |
636 | */ | |
637 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, | |
638 | ||
639 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
640 | ||
641 | TP_ARGS(q, bio), | |
642 | ||
643 | TP_FIELDS( | |
644 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
645 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) | |
646 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
647 | ctf_integer(int, error, blk_status_to_errno(bio->bi_status)) | |
648 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
649 | lttng_bio_op(bio), lttng_bio_rw(bio), | |
650 | bio->bi_iter.bi_size) | |
651 | ) | |
652 | ) | |
653 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) | |
f62b389e MD |
654 | /** |
655 | * block_bio_complete - completed all work on the block operation | |
656 | * @q: queue holding the block operation | |
657 | * @bio: block operation completed | |
658 | * @error: io error value | |
659 | * | |
660 | * This tracepoint indicates there is no further work to do on this | |
661 | * block IO operation @bio. | |
662 | */ | |
3bc29f0a | 663 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
f62b389e MD |
664 | |
665 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), | |
666 | ||
667 | TP_ARGS(q, bio, error), | |
668 | ||
f127e61e | 669 | TP_FIELDS( |
7feabe53 | 670 | ctf_integer(dev_t, dev, bio_dev(bio)) |
fd3d2e78 MJ |
671 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
672 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
673 | ctf_integer(int, error, error) | |
674 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
675 | lttng_bio_op(bio), lttng_bio_rw(bio), | |
676 | bio->bi_iter.bi_size) | |
677 | ) | |
678 | ) | |
679 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) | |
680 | /** | |
681 | * block_bio_complete - completed all work on the block operation | |
682 | * @q: queue holding the block operation | |
683 | * @bio: block operation completed | |
684 | * @error: io error value | |
685 | * | |
686 | * This tracepoint indicates there is no further work to do on this | |
687 | * block IO operation @bio. | |
688 | */ | |
689 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, | |
690 | ||
691 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), | |
692 | ||
693 | TP_ARGS(q, bio, error), | |
694 | ||
695 | TP_FIELDS( | |
959fe42a | 696 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
f127e61e MD |
697 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
698 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
699 | ctf_integer(int, error, error) | |
700 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
701 | lttng_bio_op(bio), lttng_bio_rw(bio), |
702 | bio->bi_iter.bi_size) | |
fd3d2e78 MJ |
703 | ) |
704 | ) | |
705 | #else | |
706 | /** | |
707 | * block_bio_complete - completed all work on the block operation | |
708 | * @q: queue holding the block operation | |
709 | * @bio: block operation completed | |
710 | * @error: io error value | |
711 | * | |
712 | * This tracepoint indicates there is no further work to do on this | |
713 | * block IO operation @bio. | |
714 | */ | |
715 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, | |
716 | ||
717 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), | |
718 | ||
719 | TP_ARGS(q, bio, error), | |
720 | ||
721 | TP_FIELDS( | |
722 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) | |
f127e61e MD |
723 | ctf_integer(sector_t, sector, bio->bi_sector) |
724 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
f127e61e | 725 | ctf_integer(int, error, error) |
f127e61e | 726 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
e6d2cc09 | 727 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
f127e61e | 728 | ) |
f62b389e | 729 | ) |
fd3d2e78 | 730 | #endif |
f62b389e | 731 | |
217f66c6 | 732 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 733 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
217f66c6 MD |
734 | |
735 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
736 | ||
737 | TP_ARGS(q, rq, bio), | |
738 | ||
f127e61e | 739 | TP_FIELDS( |
7feabe53 MD |
740 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
741 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
742 | #else | |
959fe42a | 743 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 744 | #endif |
54c4c2e3 | 745 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
746 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
747 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
748 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
749 | lttng_bio_op(bio), lttng_bio_rw(bio), |
750 | bio->bi_iter.bi_size) | |
54c4c2e3 | 751 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
752 | ctf_integer(sector_t, sector, bio->bi_sector) |
753 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
754 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 755 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 756 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
757 | ctf_integer(pid_t, tid, current->pid) |
758 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
759 | ) | |
217f66c6 MD |
760 | ) |
761 | ||
762 | /** | |
763 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
764 | * @q: queue holding operation | |
765 | * @bio: new block operation to merge | |
766 | * | |
767 | * Merging block request @bio to the end of an existing block request | |
768 | * in queue @q. | |
769 | */ | |
3bc29f0a | 770 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, |
217f66c6 MD |
771 | |
772 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
773 | ||
774 | TP_ARGS(q, rq, bio) | |
775 | ) | |
776 | ||
777 | /** | |
778 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
779 | * @q: queue holding operation | |
780 | * @bio: new block operation to merge | |
781 | * | |
782 | * Merging block IO operation @bio to the beginning of an existing block | |
783 | * operation in queue @q. | |
784 | */ | |
3bc29f0a | 785 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, |
217f66c6 MD |
786 | |
787 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
788 | ||
789 | TP_ARGS(q, rq, bio) | |
790 | ) | |
791 | ||
792 | /** | |
793 | * block_bio_queue - putting new block IO operation in queue | |
794 | * @q: queue holding operation | |
795 | * @bio: new block operation | |
796 | * | |
797 | * About to place the block IO operation @bio into queue @q. | |
798 | */ | |
3bc29f0a | 799 | LTTNG_TRACEPOINT_EVENT(block_bio_queue, |
217f66c6 MD |
800 | |
801 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
802 | ||
803 | TP_ARGS(q, bio), | |
804 | ||
f127e61e | 805 | TP_FIELDS( |
7feabe53 MD |
806 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
807 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
808 | #else | |
959fe42a | 809 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 810 | #endif |
54c4c2e3 | 811 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
812 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
813 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
814 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
815 | lttng_bio_op(bio), lttng_bio_rw(bio), |
816 | bio->bi_iter.bi_size) | |
54c4c2e3 | 817 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
818 | ctf_integer(sector_t, sector, bio->bi_sector) |
819 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
820 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 821 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 822 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
823 | ctf_integer(pid_t, tid, current->pid) |
824 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
825 | ) | |
217f66c6 | 826 | ) |
f127e61e | 827 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
3bc29f0a | 828 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, |
f62b389e MD |
829 | |
830 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
831 | ||
832 | TP_ARGS(q, bio), | |
833 | ||
f127e61e | 834 | TP_FIELDS( |
959fe42a | 835 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
f127e61e MD |
836 | ctf_integer(sector_t, sector, bio->bi_sector) |
837 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
838 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 839 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
f127e61e MD |
840 | ctf_integer(pid_t, tid, current->pid) |
841 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
842 | ) | |
f62b389e MD |
843 | ) |
844 | ||
845 | /** | |
846 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
847 | * @q: queue holding operation | |
848 | * @bio: new block operation to merge | |
849 | * | |
850 | * Merging block request @bio to the end of an existing block request | |
851 | * in queue @q. | |
852 | */ | |
3bc29f0a | 853 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, |
f62b389e MD |
854 | |
855 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
856 | ||
857 | TP_ARGS(q, bio) | |
858 | ) | |
859 | ||
860 | /** | |
861 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
862 | * @q: queue holding operation | |
863 | * @bio: new block operation to merge | |
864 | * | |
865 | * Merging block IO operation @bio to the beginning of an existing block | |
866 | * operation in queue @q. | |
867 | */ | |
3bc29f0a | 868 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, |
f62b389e MD |
869 | |
870 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
871 | ||
872 | TP_ARGS(q, bio) | |
873 | ) | |
874 | ||
875 | /** | |
876 | * block_bio_queue - putting new block IO operation in queue | |
877 | * @q: queue holding operation | |
878 | * @bio: new block operation | |
879 | * | |
880 | * About to place the block IO operation @bio into queue @q. | |
881 | */ | |
3bc29f0a | 882 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, |
f62b389e MD |
883 | |
884 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
885 | ||
886 | TP_ARGS(q, bio) | |
887 | ) | |
f127e61e | 888 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
f62b389e | 889 | |
3bc29f0a | 890 | LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, |
f62b389e MD |
891 | |
892 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
893 | ||
894 | TP_ARGS(q, bio, rw), | |
895 | ||
f127e61e | 896 | TP_FIELDS( |
7feabe53 | 897 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
6417cda6 | 898 | ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0) |
7feabe53 | 899 | #else |
959fe42a | 900 | ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0) |
7feabe53 | 901 | #endif |
54c4c2e3 | 902 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
903 | ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0) |
904 | ctf_integer(unsigned int, nr_sector, | |
905 | bio ? bio_sectors(bio) : 0) | |
906 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
907 | bio ? lttng_bio_op(bio) : 0, |
908 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 909 | bio ? bio->bi_iter.bi_size : 0) |
54c4c2e3 | 910 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
911 | ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0) |
912 | ctf_integer(unsigned int, nr_sector, | |
913 | bio ? bio->bi_size >> 9 : 0) | |
914 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
915 | bio ? lttng_bio_op(bio) : 0, |
916 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 917 | bio ? bio->bi_size : 0) |
54c4c2e3 | 918 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
919 | ctf_integer(pid_t, tid, current->pid) |
920 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
921 | ) | |
f62b389e MD |
922 | ) |
923 | ||
924 | /** | |
925 | * block_getrq - get a free request entry in queue for block IO operations | |
926 | * @q: queue for operations | |
6417cda6 | 927 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
928 | * @rw: low bit indicates a read (%0) or a write (%1) |
929 | * | |
930 | * A request struct for queue @q has been allocated to handle the | |
931 | * block IO operation @bio. | |
932 | */ | |
3bc29f0a | 933 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, |
f62b389e MD |
934 | |
935 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
936 | ||
937 | TP_ARGS(q, bio, rw) | |
938 | ) | |
939 | ||
940 | /** | |
941 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation | |
942 | * @q: queue for operation | |
6417cda6 | 943 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
944 | * @rw: low bit indicates a read (%0) or a write (%1) |
945 | * | |
946 | * In the case where a request struct cannot be provided for queue @q | |
947 | * the process needs to wait for an request struct to become | |
948 | * available. This tracepoint event is generated each time the | |
949 | * process goes to sleep waiting for request struct become available. | |
950 | */ | |
3bc29f0a | 951 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq, |
f62b389e MD |
952 | |
953 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
954 | ||
955 | TP_ARGS(q, bio, rw) | |
956 | ) | |
957 | ||
958 | /** | |
959 | * block_plug - keep operations requests in request queue | |
960 | * @q: request queue to plug | |
961 | * | |
962 | * Plug the request queue @q. Do not allow block operation requests | |
963 | * to be sent to the device driver. Instead, accumulate requests in | |
964 | * the queue to improve throughput performance of the block device. | |
965 | */ | |
3bc29f0a | 966 | LTTNG_TRACEPOINT_EVENT(block_plug, |
f62b389e MD |
967 | |
968 | TP_PROTO(struct request_queue *q), | |
969 | ||
970 | TP_ARGS(q), | |
971 | ||
f127e61e MD |
972 | TP_FIELDS( |
973 | ctf_integer(pid_t, tid, current->pid) | |
974 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
975 | ) | |
f62b389e MD |
976 | ) |
977 | ||
3bc29f0a | 978 | LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, |
f62b389e MD |
979 | |
980 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), | |
981 | ||
982 | TP_ARGS(q, depth, explicit), | |
983 | ||
f127e61e | 984 | TP_FIELDS( |
f127e61e | 985 | ctf_integer(int, nr_rq, depth) |
f127e61e MD |
986 | ctf_integer(pid_t, tid, current->pid) |
987 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
988 | ) | |
f62b389e MD |
989 | ) |
990 | ||
991 | /** | |
992 | * block_unplug - release of operations requests in request queue | |
993 | * @q: request queue to unplug | |
994 | * @depth: number of requests just added to the queue | |
995 | * @explicit: whether this was an explicit unplug, or one from schedule() | |
996 | * | |
997 | * Unplug request queue @q because device driver is scheduled to work | |
998 | * on elements in the request queue. | |
999 | */ | |
3bc29f0a | 1000 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, |
f62b389e MD |
1001 | |
1002 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), | |
1003 | ||
1004 | TP_ARGS(q, depth, explicit) | |
1005 | ) | |
1006 | ||
1007 | /** | |
1008 | * block_split - split a single bio struct into two bio structs | |
1009 | * @q: queue containing the bio | |
1010 | * @bio: block operation being split | |
1011 | * @new_sector: The starting sector for the new bio | |
1012 | * | |
1013 | * The bio request @bio in request queue @q needs to be split into two | |
1014 | * bio requests. The newly created @bio request starts at | |
1015 | * @new_sector. This split may be required due to hardware limitation | |
1016 | * such as operation crossing device boundaries in a RAID system. | |
1017 | */ | |
3bc29f0a | 1018 | LTTNG_TRACEPOINT_EVENT(block_split, |
f62b389e MD |
1019 | |
1020 | TP_PROTO(struct request_queue *q, struct bio *bio, | |
1021 | unsigned int new_sector), | |
1022 | ||
1023 | TP_ARGS(q, bio, new_sector), | |
1024 | ||
f127e61e | 1025 | TP_FIELDS( |
7feabe53 MD |
1026 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1027 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1028 | #else | |
959fe42a | 1029 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 1030 | #endif |
54c4c2e3 | 1031 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
1032 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1033 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
1034 | lttng_bio_op(bio), lttng_bio_rw(bio), |
1035 | bio->bi_iter.bi_size) | |
54c4c2e3 | 1036 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1037 | ctf_integer(sector_t, sector, bio->bi_sector) |
1038 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1039 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 1040 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1041 | ctf_integer(sector_t, new_sector, new_sector) |
1042 | ctf_integer(pid_t, tid, current->pid) | |
1043 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
1044 | ) | |
f62b389e MD |
1045 | ) |
1046 | ||
1047 | /** | |
1048 | * block_bio_remap - map request for a logical device to the raw device | |
1049 | * @q: queue holding the operation | |
1050 | * @bio: revised operation | |
1051 | * @dev: device for the operation | |
1052 | * @from: original sector for the operation | |
1053 | * | |
1054 | * An operation for a logical device has been mapped to the | |
1055 | * raw block device. | |
1056 | */ | |
3bc29f0a | 1057 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
f62b389e MD |
1058 | |
1059 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, | |
1060 | sector_t from), | |
1061 | ||
1062 | TP_ARGS(q, bio, dev, from), | |
1063 | ||
f127e61e | 1064 | TP_FIELDS( |
7feabe53 MD |
1065 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1066 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1067 | #else | |
959fe42a | 1068 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 1069 | #endif |
54c4c2e3 | 1070 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
1071 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1072 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
1073 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
1074 | lttng_bio_op(bio), lttng_bio_rw(bio), |
1075 | bio->bi_iter.bi_size) | |
54c4c2e3 | 1076 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1077 | ctf_integer(sector_t, sector, bio->bi_sector) |
1078 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
1079 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1080 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 1081 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1082 | ctf_integer(dev_t, old_dev, dev) |
1083 | ctf_integer(sector_t, old_sector, from) | |
1084 | ) | |
f62b389e MD |
1085 | ) |
1086 | ||
1087 | /** | |
1088 | * block_rq_remap - map request for a block operation request | |
1089 | * @q: queue holding the operation | |
1090 | * @rq: block IO operation request | |
1091 | * @dev: device for the operation | |
1092 | * @from: original sector for the operation | |
1093 | * | |
1094 | * The block operation request @rq in @q has been remapped. The block | |
1095 | * operation request @rq holds the current information and @from hold | |
1096 | * the original sector. | |
1097 | */ | |
3bc29f0a | 1098 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
f62b389e MD |
1099 | |
1100 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, | |
1101 | sector_t from), | |
1102 | ||
1103 | TP_ARGS(q, rq, dev, from), | |
1104 | ||
f127e61e MD |
1105 | TP_FIELDS( |
1106 | ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) | |
1107 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
1108 | ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) | |
1109 | ctf_integer(dev_t, old_dev, dev) | |
1110 | ctf_integer(sector_t, old_sector, from) | |
1111 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1112 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e | 1113 | ) |
f62b389e MD |
1114 | ) |
1115 | ||
1116 | #undef __print_rwbs_flags | |
1117 | #undef blk_fill_rwbs | |
1118 | ||
3bc29f0a | 1119 | #endif /* LTTNG_TRACE_BLOCK_H */ |
f62b389e MD |
1120 | |
1121 | /* This part must be outside protection */ | |
6ec43db8 | 1122 | #include <probes/define_trace.h> |