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f62b389e MD |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM block | |
3 | ||
3bc29f0a MD |
4 | #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
5 | #define LTTNG_TRACE_BLOCK_H | |
f62b389e | 6 | |
6ec43db8 | 7 | #include <probes/lttng-tracepoint-event.h> |
f62b389e MD |
8 | #include <linux/blktrace_api.h> |
9 | #include <linux/blkdev.h> | |
f62b389e | 10 | #include <linux/trace_seq.h> |
7c68b363 AG |
11 | #include <linux/version.h> |
12 | ||
8a9f549f FD |
13 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) |
14 | #include <scsi/scsi_request.h> | |
15 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
16 | ||
f62b389e MD |
17 | #ifndef _TRACE_BLOCK_DEF_ |
18 | #define _TRACE_BLOCK_DEF_ | |
19 | ||
f62b389e MD |
20 | enum { |
21 | RWBS_FLAG_WRITE = (1 << 0), | |
22 | RWBS_FLAG_DISCARD = (1 << 1), | |
23 | RWBS_FLAG_READ = (1 << 2), | |
24 | RWBS_FLAG_RAHEAD = (1 << 3), | |
7c68b363 AG |
25 | RWBS_FLAG_BARRIER = (1 << 4), |
26 | RWBS_FLAG_SYNC = (1 << 5), | |
27 | RWBS_FLAG_META = (1 << 6), | |
28 | RWBS_FLAG_SECURE = (1 << 7), | |
29 | RWBS_FLAG_FLUSH = (1 << 8), | |
30 | RWBS_FLAG_FUA = (1 << 9), | |
e6d2cc09 | 31 | RWBS_FLAG_PREFLUSH = (1 << 10), |
f62b389e MD |
32 | }; |
33 | ||
34 | #endif /* _TRACE_BLOCK_DEF_ */ | |
35 | ||
c122f936 | 36 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \ |
818760e1 MJ |
37 | LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \ |
38 | LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \ | |
39 | LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \ | |
40 | LTTNG_SLE_KERNEL_RANGE(4,4,103,6,0,0, 4,4,103,7,0,0) || \ | |
41 | LTTNG_SLE_KERNEL_RANGE(4,4,114,94,0,0, 4,4,114,95,0,0) || \ | |
42 | LTTNG_SLE_KERNEL_RANGE(4,4,120,94,0,0, 4,4,120,95,0,0) || \ | |
43 | LTTNG_SLE_KERNEL_RANGE(4,4,126,94,0,0, 4,5,0,0,0,0)) | |
e6d2cc09 MD |
44 | |
45 | #define lttng_req_op(rq) req_op(rq) | |
46 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
47 | #define lttng_bio_op(bio) bio_op(bio) | |
48 | #define lttng_bio_rw(bio) ((bio)->bi_opf) | |
49 | ||
50 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
51 | ctf_integer(type, rwbs, \ | |
52 | (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \ | |
53 | ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \ | |
54 | ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \ | |
55 | ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \ | |
56 | ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \ | |
57 | ( 0 )))))) \ | |
58 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
59 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
60 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
61 | | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \ | |
62 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
63 | ||
64 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
7c68b363 | 65 | |
e6d2cc09 MD |
66 | #define lttng_req_op(rq) |
67 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
68 | #define lttng_bio_op(bio) | |
69 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
70 | ||
71 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 72 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
73 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
74 | ( (bytes) ? RWBS_FLAG_READ : \ | |
75 | ( 0 )))) \ | |
76 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
77 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
78 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
79 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \ | |
80 | | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \ | |
81 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
82 | ||
83 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
84 | ||
e6d2cc09 MD |
85 | #define lttng_req_op(rq) |
86 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
87 | #define lttng_bio_op(bio) | |
88 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
89 | ||
90 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 91 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
f62b389e MD |
92 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
93 | ( (bytes) ? RWBS_FLAG_READ : \ | |
94 | ( 0 )))) \ | |
95 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
96 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
97 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
98 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
99 | ||
7c68b363 AG |
100 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) |
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) \ | |
f127e61e | 108 | ctf_integer(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) \ | |
113 | | ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0) \ | |
114 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
115 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
116 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
117 | ||
118 | #else | |
119 | ||
e6d2cc09 MD |
120 | #define lttng_req_op(rq) |
121 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
122 | #define lttng_bio_op(bio) | |
123 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
124 | ||
125 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 126 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
127 | ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD : \ |
128 | ( (bytes) ? RWBS_FLAG_READ : \ | |
129 | ( 0 )))) \ | |
130 | | ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \ | |
131 | | ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0) \ | |
132 | | ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0) \ | |
133 | | ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0)) | |
134 | ||
135 | #endif | |
136 | ||
217f66c6 | 137 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 138 | LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, |
217f66c6 MD |
139 | |
140 | TP_PROTO(struct buffer_head *bh), | |
141 | ||
142 | TP_ARGS(bh), | |
143 | ||
f127e61e MD |
144 | TP_FIELDS ( |
145 | ctf_integer(dev_t, dev, bh->b_bdev->bd_dev) | |
146 | ctf_integer(sector_t, sector, bh->b_blocknr) | |
147 | ctf_integer(size_t, size, bh->b_size) | |
217f66c6 MD |
148 | ) |
149 | ) | |
150 | ||
151 | /** | |
152 | * block_touch_buffer - mark a buffer accessed | |
153 | * @bh: buffer_head being touched | |
154 | * | |
155 | * Called from touch_buffer(). | |
156 | */ | |
3bc29f0a | 157 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, |
217f66c6 MD |
158 | |
159 | TP_PROTO(struct buffer_head *bh), | |
160 | ||
161 | TP_ARGS(bh) | |
162 | ) | |
163 | ||
164 | /** | |
165 | * block_dirty_buffer - mark a buffer dirty | |
166 | * @bh: buffer_head being dirtied | |
167 | * | |
168 | * Called from mark_buffer_dirty(). | |
169 | */ | |
3bc29f0a | 170 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, |
217f66c6 MD |
171 | |
172 | TP_PROTO(struct buffer_head *bh), | |
173 | ||
174 | TP_ARGS(bh) | |
175 | ) | |
176 | #endif | |
177 | ||
e064edf1 MJ |
178 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
179 | /* block_rq_with_error event class removed in kernel 4.12 */ | |
180 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
f127e61e | 181 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, |
f62b389e MD |
182 | |
183 | TP_PROTO(struct request_queue *q, struct request *rq), | |
184 | ||
185 | TP_ARGS(q, rq), | |
186 | ||
f127e61e MD |
187 | TP_locvar( |
188 | sector_t sector; | |
189 | unsigned int nr_sector; | |
190 | unsigned char *cmd; | |
191 | size_t cmd_len; | |
f62b389e MD |
192 | ), |
193 | ||
265822ae | 194 | TP_code_pre( |
8a9f549f FD |
195 | if (blk_rq_is_scsi(rq)) { |
196 | struct scsi_request *scsi_rq = scsi_req(rq); | |
197 | tp_locvar->sector = 0; | |
198 | tp_locvar->nr_sector = 0; | |
199 | tp_locvar->cmd = scsi_rq->cmd; | |
200 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
201 | } else { | |
202 | tp_locvar->sector = blk_rq_pos(rq); | |
203 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
204 | tp_locvar->cmd = NULL; | |
205 | tp_locvar->cmd_len = 0; | |
206 | } | |
207 | ), | |
208 | ||
209 | TP_FIELDS( | |
210 | ctf_integer(dev_t, dev, | |
211 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
212 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
213 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
214 | ctf_integer(int, errors, rq->errors) | |
215 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
216 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
217 | ctf_sequence_hex(unsigned char, cmd, | |
218 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
219 | ), | |
220 | ||
221 | TP_code_post() | |
222 | ) | |
223 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
224 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, | |
225 | ||
226 | TP_PROTO(struct request_queue *q, struct request *rq), | |
227 | ||
228 | TP_ARGS(q, rq), | |
229 | ||
230 | TP_locvar( | |
231 | sector_t sector; | |
232 | unsigned int nr_sector; | |
233 | unsigned char *cmd; | |
234 | size_t cmd_len; | |
235 | ), | |
236 | ||
237 | TP_code_pre( | |
238 | ||
f127e61e MD |
239 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
240 | tp_locvar->sector = 0; | |
241 | tp_locvar->nr_sector = 0; | |
242 | tp_locvar->cmd = rq->cmd; | |
243 | tp_locvar->cmd_len = rq->cmd_len; | |
244 | } else { | |
245 | tp_locvar->sector = blk_rq_pos(rq); | |
246 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
247 | tp_locvar->cmd = NULL; | |
248 | tp_locvar->cmd_len = 0; | |
249 | } | |
f62b389e MD |
250 | ), |
251 | ||
f127e61e MD |
252 | TP_FIELDS( |
253 | ctf_integer(dev_t, dev, | |
254 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
255 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
256 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
257 | ctf_integer(int, errors, rq->errors) | |
258 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 259 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
260 | ctf_sequence_hex(unsigned char, cmd, |
261 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
262 | ), |
263 | ||
264 | TP_code_post() | |
f62b389e | 265 | ) |
8a9f549f | 266 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e | 267 | |
e064edf1 | 268 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)) |
f62b389e MD |
269 | /** |
270 | * block_rq_abort - abort block operation request | |
271 | * @q: queue containing the block operation request | |
272 | * @rq: block IO operation request | |
273 | * | |
274 | * Called immediately after pending block IO operation request @rq in | |
275 | * queue @q is aborted. The fields in the operation request @rq | |
276 | * can be examined to determine which device and sectors the pending | |
277 | * operation would access. | |
278 | */ | |
3bc29f0a | 279 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, |
f62b389e MD |
280 | |
281 | TP_PROTO(struct request_queue *q, struct request *rq), | |
282 | ||
283 | TP_ARGS(q, rq) | |
284 | ) | |
e064edf1 | 285 | #endif |
f62b389e MD |
286 | |
287 | /** | |
288 | * block_rq_requeue - place block IO request back on a queue | |
289 | * @q: queue holding operation | |
290 | * @rq: block IO operation request | |
291 | * | |
292 | * The block operation request @rq is being placed back into queue | |
293 | * @q. For some reason the request was not completed and needs to be | |
294 | * put back in the queue. | |
295 | */ | |
e064edf1 MJ |
296 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
297 | LTTNG_TRACEPOINT_EVENT(block_rq_requeue, | |
298 | ||
299 | TP_PROTO(struct request_queue *q, struct request *rq), | |
300 | ||
301 | TP_ARGS(q, rq), | |
302 | ||
303 | TP_FIELDS( | |
304 | ctf_integer(dev_t, dev, | |
305 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
306 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
307 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
308 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
309 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
310 | ) | |
311 | ) | |
312 | #else | |
3bc29f0a | 313 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue, |
f62b389e MD |
314 | |
315 | TP_PROTO(struct request_queue *q, struct request *rq), | |
316 | ||
317 | TP_ARGS(q, rq) | |
318 | ) | |
e064edf1 | 319 | #endif |
f62b389e | 320 | |
1c53e689 MD |
321 | /** |
322 | * block_rq_complete - block IO operation completed by device driver | |
323 | * @q: queue containing the block operation request | |
324 | * @rq: block operations request | |
325 | * @nr_bytes: number of completed bytes | |
326 | * | |
327 | * The block_rq_complete tracepoint event indicates that some portion | |
328 | * of operation request has been completed by the device driver. If | |
329 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
330 | * do for the request. If @rq->bio is non-NULL then there is | |
331 | * additional work required to complete the request. | |
332 | */ | |
e064edf1 MJ |
333 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
334 | LTTNG_TRACEPOINT_EVENT(block_rq_complete, | |
335 | ||
336 | TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), | |
337 | ||
338 | TP_ARGS(rq, error, nr_bytes), | |
339 | ||
340 | TP_FIELDS( | |
341 | ctf_integer(dev_t, dev, | |
342 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
343 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
344 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
345 | ctf_integer(int, error, error) | |
346 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
347 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
348 | ) | |
349 | ) | |
350 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
351 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
352 | ||
353 | TP_PROTO(struct request_queue *q, struct request *rq, | |
354 | unsigned int nr_bytes), | |
355 | ||
356 | TP_ARGS(q, rq, nr_bytes), | |
357 | ||
358 | TP_locvar( | |
359 | unsigned char *cmd; | |
360 | size_t cmd_len; | |
361 | ), | |
362 | ||
363 | TP_code_pre( | |
364 | if (blk_rq_is_scsi(rq)) { | |
365 | struct scsi_request *scsi_rq = scsi_req(rq); | |
366 | tp_locvar->cmd = scsi_rq->cmd; | |
367 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
368 | } else { | |
369 | tp_locvar->cmd = NULL; | |
370 | tp_locvar->cmd_len = 0; | |
371 | } | |
372 | ), | |
373 | ||
374 | TP_FIELDS( | |
375 | ctf_integer(dev_t, dev, | |
376 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
377 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
378 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
379 | ctf_integer(int, errors, rq->errors) | |
380 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
381 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
382 | ctf_sequence_hex(unsigned char, cmd, | |
383 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
384 | ), | |
385 | ||
386 | TP_code_post() | |
387 | ) | |
388 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \ | |
389 | || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \ | |
390 | || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \ | |
391 | || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \ | |
392 | || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \ | |
393 | || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \ | |
394 | || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0)) | |
395 | ||
f127e61e | 396 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
1c53e689 MD |
397 | |
398 | TP_PROTO(struct request_queue *q, struct request *rq, | |
399 | unsigned int nr_bytes), | |
400 | ||
401 | TP_ARGS(q, rq, nr_bytes), | |
402 | ||
f127e61e MD |
403 | TP_locvar( |
404 | unsigned char *cmd; | |
405 | size_t cmd_len; | |
1c53e689 MD |
406 | ), |
407 | ||
265822ae | 408 | TP_code_pre( |
f127e61e MD |
409 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
410 | tp_locvar->cmd = rq->cmd; | |
411 | tp_locvar->cmd_len = rq->cmd_len; | |
412 | } else { | |
413 | tp_locvar->cmd = NULL; | |
414 | tp_locvar->cmd_len = 0; | |
415 | } | |
1c53e689 MD |
416 | ), |
417 | ||
f127e61e MD |
418 | TP_FIELDS( |
419 | ctf_integer(dev_t, dev, | |
420 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
421 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
422 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
423 | ctf_integer(int, errors, rq->errors) | |
424 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 425 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) |
f127e61e MD |
426 | ctf_sequence_hex(unsigned char, cmd, |
427 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
428 | ), |
429 | ||
430 | TP_code_post() | |
1c53e689 MD |
431 | ) |
432 | ||
433 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ | |
434 | ||
f62b389e MD |
435 | /** |
436 | * block_rq_complete - block IO operation completed by device driver | |
437 | * @q: queue containing the block operation request | |
438 | * @rq: block operations request | |
439 | * | |
440 | * The block_rq_complete tracepoint event indicates that some portion | |
441 | * of operation request has been completed by the device driver. If | |
442 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
443 | * do for the request. If @rq->bio is non-NULL then there is | |
444 | * additional work required to complete the request. | |
445 | */ | |
3bc29f0a | 446 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, |
f62b389e MD |
447 | |
448 | TP_PROTO(struct request_queue *q, struct request *rq), | |
449 | ||
450 | TP_ARGS(q, rq) | |
451 | ) | |
452 | ||
1c53e689 MD |
453 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ |
454 | ||
e064edf1 MJ |
455 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
456 | LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, | |
457 | ||
458 | TP_PROTO(struct request_queue *q, struct request *rq), | |
459 | ||
460 | TP_ARGS(q, rq), | |
461 | ||
462 | TP_FIELDS( | |
463 | ctf_integer(dev_t, dev, | |
464 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
465 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
466 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
467 | ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) | |
468 | ctf_integer(pid_t, tid, current->pid) | |
469 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
470 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
471 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
472 | ) | |
473 | ) | |
474 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
475 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
476 | ||
477 | TP_PROTO(struct request_queue *q, struct request *rq), | |
478 | ||
479 | TP_ARGS(q, rq), | |
480 | ||
481 | TP_locvar( | |
482 | sector_t sector; | |
483 | unsigned int nr_sector; | |
484 | unsigned int bytes; | |
485 | unsigned char *cmd; | |
486 | size_t cmd_len; | |
487 | ), | |
488 | ||
489 | TP_code_pre( | |
490 | if (blk_rq_is_scsi(rq)) { | |
491 | struct scsi_request *scsi_rq = scsi_req(rq); | |
492 | tp_locvar->sector = 0; | |
493 | tp_locvar->nr_sector = 0; | |
494 | tp_locvar->bytes = scsi_rq->resid_len; | |
495 | tp_locvar->cmd = scsi_rq->cmd; | |
496 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
497 | } else { | |
498 | tp_locvar->sector = blk_rq_pos(rq); | |
499 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
500 | tp_locvar->bytes = 0; | |
501 | tp_locvar->cmd = NULL; | |
502 | tp_locvar->cmd_len = 0; | |
503 | } | |
504 | ), | |
505 | ||
506 | TP_FIELDS( | |
507 | ctf_integer(dev_t, dev, | |
508 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
509 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
510 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
511 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
512 | ctf_integer(pid_t, tid, current->pid) | |
513 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
514 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
515 | ctf_sequence_hex(unsigned char, cmd, | |
516 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
517 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
518 | ), | |
519 | ||
520 | TP_code_post() | |
521 | ) | |
522 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
f127e61e | 523 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
f62b389e MD |
524 | |
525 | TP_PROTO(struct request_queue *q, struct request *rq), | |
526 | ||
527 | TP_ARGS(q, rq), | |
528 | ||
f127e61e MD |
529 | TP_locvar( |
530 | sector_t sector; | |
531 | unsigned int nr_sector; | |
532 | unsigned int bytes; | |
533 | unsigned char *cmd; | |
534 | size_t cmd_len; | |
f62b389e MD |
535 | ), |
536 | ||
265822ae | 537 | TP_code_pre( |
f127e61e MD |
538 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
539 | tp_locvar->sector = 0; | |
540 | tp_locvar->nr_sector = 0; | |
541 | tp_locvar->bytes = blk_rq_bytes(rq); | |
542 | tp_locvar->cmd = rq->cmd; | |
543 | tp_locvar->cmd_len = rq->cmd_len; | |
544 | } else { | |
545 | tp_locvar->sector = blk_rq_pos(rq); | |
546 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
547 | tp_locvar->bytes = 0; | |
548 | tp_locvar->cmd = NULL; | |
549 | tp_locvar->cmd_len = 0; | |
550 | } | |
f62b389e MD |
551 | ), |
552 | ||
f127e61e MD |
553 | TP_FIELDS( |
554 | ctf_integer(dev_t, dev, | |
555 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
556 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
557 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
558 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
559 | ctf_integer(pid_t, tid, current->pid) | |
560 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 561 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
562 | ctf_sequence_hex(unsigned char, cmd, |
563 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
564 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
265822ae MD |
565 | ), |
566 | ||
567 | TP_code_post() | |
f62b389e | 568 | ) |
8a9f549f | 569 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e MD |
570 | |
571 | /** | |
572 | * block_rq_insert - insert block operation request into queue | |
573 | * @q: target queue | |
574 | * @rq: block IO operation request | |
575 | * | |
576 | * Called immediately before block operation request @rq is inserted | |
577 | * into queue @q. The fields in the operation request @rq struct can | |
578 | * be examined to determine which device and sectors the pending | |
579 | * operation would access. | |
580 | */ | |
3bc29f0a | 581 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
f62b389e MD |
582 | |
583 | TP_PROTO(struct request_queue *q, struct request *rq), | |
584 | ||
585 | TP_ARGS(q, rq) | |
586 | ) | |
587 | ||
588 | /** | |
589 | * block_rq_issue - issue pending block IO request operation to device driver | |
590 | * @q: queue holding operation | |
591 | * @rq: block IO operation operation request | |
592 | * | |
593 | * Called when block operation request @rq from queue @q is sent to a | |
594 | * device driver for processing. | |
595 | */ | |
3bc29f0a | 596 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
f62b389e MD |
597 | |
598 | TP_PROTO(struct request_queue *q, struct request *rq), | |
599 | ||
600 | TP_ARGS(q, rq) | |
601 | ) | |
602 | ||
603 | /** | |
604 | * block_bio_bounce - used bounce buffer when processing block operation | |
605 | * @q: queue holding the block operation | |
606 | * @bio: block operation | |
607 | * | |
608 | * A bounce buffer was used to handle the block operation @bio in @q. | |
609 | * This occurs when hardware limitations prevent a direct transfer of | |
610 | * data between the @bio data memory area and the IO device. Use of a | |
611 | * bounce buffer requires extra copying of data and decreases | |
612 | * performance. | |
613 | */ | |
3bc29f0a | 614 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
f62b389e MD |
615 | |
616 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
617 | ||
618 | TP_ARGS(q, bio), | |
619 | ||
f127e61e | 620 | TP_FIELDS( |
321e5e89 MD |
621 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
622 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
623 | #else | |
cc0c32f0 | 624 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
321e5e89 | 625 | #endif |
54c4c2e3 | 626 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
627 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
628 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
629 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
630 | lttng_bio_op(bio), lttng_bio_rw(bio), |
631 | bio->bi_iter.bi_size) | |
54c4c2e3 | 632 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
633 | ctf_integer(sector_t, sector, bio->bi_sector) |
634 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
635 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
636 | lttng_bio_op(bio), lttng_bio_rw(bio), |
637 | bio->bi_size) | |
54c4c2e3 | 638 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
639 | ctf_integer(pid_t, tid, current->pid) |
640 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
641 | ) | |
f62b389e MD |
642 | ) |
643 | ||
644 | /** | |
645 | * block_bio_complete - completed all work on the block operation | |
646 | * @q: queue holding the block operation | |
647 | * @bio: block operation completed | |
648 | * @error: io error value | |
649 | * | |
650 | * This tracepoint indicates there is no further work to do on this | |
651 | * block IO operation @bio. | |
652 | */ | |
3bc29f0a | 653 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
f62b389e | 654 | |
1bc491fc | 655 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f62b389e MD |
656 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
657 | ||
658 | TP_ARGS(q, bio, error), | |
7c68b363 AG |
659 | #else |
660 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
661 | ||
662 | TP_ARGS(q, bio), | |
663 | #endif | |
f62b389e | 664 | |
f127e61e | 665 | TP_FIELDS( |
321e5e89 MD |
666 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
667 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
668 | #else | |
cc0c32f0 | 669 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 670 | #endif |
54c4c2e3 | 671 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
672 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
673 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
674 | ctf_integer(int, error, error) | |
675 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
676 | lttng_bio_op(bio), lttng_bio_rw(bio), |
677 | bio->bi_iter.bi_size) | |
54c4c2e3 | 678 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
679 | ctf_integer(sector_t, sector, bio->bi_sector) |
680 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
7c68b363 | 681 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f127e61e | 682 | ctf_integer(int, error, error) |
7c68b363 | 683 | #else |
f127e61e | 684 | ctf_integer(int, error, 0) |
7c68b363 | 685 | #endif |
f127e61e | 686 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
e6d2cc09 | 687 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 688 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e | 689 | ) |
f62b389e MD |
690 | ) |
691 | ||
217f66c6 | 692 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 693 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
217f66c6 MD |
694 | |
695 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
696 | ||
697 | TP_ARGS(q, rq, bio), | |
698 | ||
f127e61e | 699 | TP_FIELDS( |
321e5e89 MD |
700 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
701 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
702 | #else | |
cc0c32f0 | 703 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 704 | #endif |
54c4c2e3 | 705 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
706 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
707 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
708 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
709 | lttng_bio_op(bio), lttng_bio_rw(bio), |
710 | bio->bi_iter.bi_size) | |
54c4c2e3 | 711 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
712 | ctf_integer(sector_t, sector, bio->bi_sector) |
713 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
714 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 715 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 716 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
717 | ctf_integer(pid_t, tid, current->pid) |
718 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
719 | ) | |
217f66c6 MD |
720 | ) |
721 | ||
722 | /** | |
723 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
724 | * @q: queue holding operation | |
725 | * @bio: new block operation to merge | |
726 | * | |
727 | * Merging block request @bio to the end of an existing block request | |
728 | * in queue @q. | |
729 | */ | |
3bc29f0a | 730 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, |
217f66c6 MD |
731 | |
732 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
733 | ||
734 | TP_ARGS(q, rq, bio) | |
735 | ) | |
736 | ||
737 | /** | |
738 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
739 | * @q: queue holding operation | |
740 | * @bio: new block operation to merge | |
741 | * | |
742 | * Merging block IO operation @bio to the beginning of an existing block | |
743 | * operation in queue @q. | |
744 | */ | |
3bc29f0a | 745 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, |
217f66c6 MD |
746 | |
747 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
748 | ||
749 | TP_ARGS(q, rq, bio) | |
750 | ) | |
751 | ||
752 | /** | |
753 | * block_bio_queue - putting new block IO operation in queue | |
754 | * @q: queue holding operation | |
755 | * @bio: new block operation | |
756 | * | |
757 | * About to place the block IO operation @bio into queue @q. | |
758 | */ | |
3bc29f0a | 759 | LTTNG_TRACEPOINT_EVENT(block_bio_queue, |
217f66c6 MD |
760 | |
761 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
762 | ||
763 | TP_ARGS(q, bio), | |
764 | ||
f127e61e | 765 | TP_FIELDS( |
321e5e89 MD |
766 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
767 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
768 | #else | |
cc0c32f0 | 769 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 770 | #endif |
54c4c2e3 | 771 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
772 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
773 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
774 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
775 | lttng_bio_op(bio), lttng_bio_rw(bio), |
776 | bio->bi_iter.bi_size) | |
54c4c2e3 | 777 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
778 | ctf_integer(sector_t, sector, bio->bi_sector) |
779 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
780 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 781 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 782 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
783 | ctf_integer(pid_t, tid, current->pid) |
784 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
785 | ) | |
217f66c6 | 786 | ) |
f127e61e | 787 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
3bc29f0a | 788 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, |
f62b389e MD |
789 | |
790 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
791 | ||
792 | TP_ARGS(q, bio), | |
793 | ||
f127e61e | 794 | TP_FIELDS( |
cc0c32f0 | 795 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
f127e61e MD |
796 | ctf_integer(sector_t, sector, bio->bi_sector) |
797 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
798 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 799 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
f127e61e MD |
800 | ctf_integer(pid_t, tid, current->pid) |
801 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
802 | ) | |
f62b389e MD |
803 | ) |
804 | ||
805 | /** | |
806 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
807 | * @q: queue holding operation | |
808 | * @bio: new block operation to merge | |
809 | * | |
810 | * Merging block request @bio to the end of an existing block request | |
811 | * in queue @q. | |
812 | */ | |
3bc29f0a | 813 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, |
f62b389e MD |
814 | |
815 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
816 | ||
817 | TP_ARGS(q, bio) | |
818 | ) | |
819 | ||
820 | /** | |
821 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
822 | * @q: queue holding operation | |
823 | * @bio: new block operation to merge | |
824 | * | |
825 | * Merging block IO operation @bio to the beginning of an existing block | |
826 | * operation in queue @q. | |
827 | */ | |
3bc29f0a | 828 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, |
f62b389e MD |
829 | |
830 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
831 | ||
832 | TP_ARGS(q, bio) | |
833 | ) | |
834 | ||
835 | /** | |
836 | * block_bio_queue - putting new block IO operation in queue | |
837 | * @q: queue holding operation | |
838 | * @bio: new block operation | |
839 | * | |
840 | * About to place the block IO operation @bio into queue @q. | |
841 | */ | |
3bc29f0a | 842 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, |
f62b389e MD |
843 | |
844 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
845 | ||
846 | TP_ARGS(q, bio) | |
847 | ) | |
f127e61e | 848 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
f62b389e | 849 | |
3bc29f0a | 850 | LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, |
f62b389e MD |
851 | |
852 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
853 | ||
854 | TP_ARGS(q, bio, rw), | |
855 | ||
f127e61e | 856 | TP_FIELDS( |
321e5e89 | 857 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
007272b3 | 858 | ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0) |
321e5e89 | 859 | #else |
cc0c32f0 | 860 | ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0) |
321e5e89 | 861 | #endif |
54c4c2e3 | 862 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
863 | ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0) |
864 | ctf_integer(unsigned int, nr_sector, | |
865 | bio ? bio_sectors(bio) : 0) | |
866 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
867 | bio ? lttng_bio_op(bio) : 0, |
868 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 869 | bio ? bio->bi_iter.bi_size : 0) |
54c4c2e3 | 870 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
871 | ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0) |
872 | ctf_integer(unsigned int, nr_sector, | |
873 | bio ? bio->bi_size >> 9 : 0) | |
874 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
875 | bio ? lttng_bio_op(bio) : 0, |
876 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 877 | bio ? bio->bi_size : 0) |
54c4c2e3 | 878 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
879 | ctf_integer(pid_t, tid, current->pid) |
880 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
881 | ) | |
f62b389e MD |
882 | ) |
883 | ||
884 | /** | |
885 | * block_getrq - get a free request entry in queue for block IO operations | |
886 | * @q: queue for operations | |
007272b3 | 887 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
888 | * @rw: low bit indicates a read (%0) or a write (%1) |
889 | * | |
890 | * A request struct for queue @q has been allocated to handle the | |
891 | * block IO operation @bio. | |
892 | */ | |
3bc29f0a | 893 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, |
f62b389e MD |
894 | |
895 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
896 | ||
897 | TP_ARGS(q, bio, rw) | |
898 | ) | |
899 | ||
900 | /** | |
901 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation | |
902 | * @q: queue for operation | |
007272b3 | 903 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
904 | * @rw: low bit indicates a read (%0) or a write (%1) |
905 | * | |
906 | * In the case where a request struct cannot be provided for queue @q | |
907 | * the process needs to wait for an request struct to become | |
908 | * available. This tracepoint event is generated each time the | |
909 | * process goes to sleep waiting for request struct become available. | |
910 | */ | |
3bc29f0a | 911 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq, |
f62b389e MD |
912 | |
913 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
914 | ||
915 | TP_ARGS(q, bio, rw) | |
916 | ) | |
917 | ||
918 | /** | |
919 | * block_plug - keep operations requests in request queue | |
920 | * @q: request queue to plug | |
921 | * | |
922 | * Plug the request queue @q. Do not allow block operation requests | |
923 | * to be sent to the device driver. Instead, accumulate requests in | |
924 | * the queue to improve throughput performance of the block device. | |
925 | */ | |
3bc29f0a | 926 | LTTNG_TRACEPOINT_EVENT(block_plug, |
f62b389e MD |
927 | |
928 | TP_PROTO(struct request_queue *q), | |
929 | ||
930 | TP_ARGS(q), | |
931 | ||
f127e61e MD |
932 | TP_FIELDS( |
933 | ctf_integer(pid_t, tid, current->pid) | |
934 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
935 | ) | |
f62b389e MD |
936 | ) |
937 | ||
3bc29f0a | 938 | LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, |
f62b389e | 939 | |
7c68b363 | 940 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
941 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
942 | ||
943 | TP_ARGS(q, depth, explicit), | |
7c68b363 AG |
944 | #else |
945 | TP_PROTO(struct request_queue *q), | |
946 | ||
947 | TP_ARGS(q), | |
948 | #endif | |
f62b389e | 949 | |
f127e61e | 950 | TP_FIELDS( |
7c68b363 | 951 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f127e61e | 952 | ctf_integer(int, nr_rq, depth) |
7c68b363 | 953 | #else |
f127e61e | 954 | ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE]) |
7c68b363 | 955 | #endif |
f127e61e MD |
956 | ctf_integer(pid_t, tid, current->pid) |
957 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
958 | ) | |
f62b389e MD |
959 | ) |
960 | ||
7c68b363 AG |
961 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)) |
962 | /** | |
963 | * block_unplug_timer - timed release of operations requests in queue to device driver | |
964 | * @q: request queue to unplug | |
965 | * | |
966 | * Unplug the request queue @q because a timer expired and allow block | |
967 | * operation requests to be sent to the device driver. | |
968 | */ | |
3bc29f0a | 969 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer, |
7c68b363 AG |
970 | |
971 | TP_PROTO(struct request_queue *q), | |
972 | ||
973 | TP_ARGS(q) | |
974 | ) | |
975 | #endif | |
976 | ||
f62b389e MD |
977 | /** |
978 | * block_unplug - release of operations requests in request queue | |
979 | * @q: request queue to unplug | |
980 | * @depth: number of requests just added to the queue | |
981 | * @explicit: whether this was an explicit unplug, or one from schedule() | |
982 | * | |
983 | * Unplug request queue @q because device driver is scheduled to work | |
984 | * on elements in the request queue. | |
985 | */ | |
7c68b363 | 986 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
3bc29f0a | 987 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, |
7c68b363 | 988 | #else |
3bc29f0a | 989 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io, |
7c68b363 | 990 | #endif |
f62b389e | 991 | |
7c68b363 | 992 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
993 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
994 | ||
995 | TP_ARGS(q, depth, explicit) | |
7c68b363 AG |
996 | #else |
997 | TP_PROTO(struct request_queue *q), | |
998 | ||
999 | TP_ARGS(q) | |
1000 | #endif | |
f62b389e MD |
1001 | ) |
1002 | ||
1003 | /** | |
1004 | * block_split - split a single bio struct into two bio structs | |
1005 | * @q: queue containing the bio | |
1006 | * @bio: block operation being split | |
1007 | * @new_sector: The starting sector for the new bio | |
1008 | * | |
1009 | * The bio request @bio in request queue @q needs to be split into two | |
1010 | * bio requests. The newly created @bio request starts at | |
1011 | * @new_sector. This split may be required due to hardware limitation | |
1012 | * such as operation crossing device boundaries in a RAID system. | |
1013 | */ | |
3bc29f0a | 1014 | LTTNG_TRACEPOINT_EVENT(block_split, |
f62b389e MD |
1015 | |
1016 | TP_PROTO(struct request_queue *q, struct bio *bio, | |
1017 | unsigned int new_sector), | |
1018 | ||
1019 | TP_ARGS(q, bio, new_sector), | |
1020 | ||
f127e61e | 1021 | TP_FIELDS( |
321e5e89 MD |
1022 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1023 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1024 | #else | |
cc0c32f0 | 1025 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 1026 | #endif |
54c4c2e3 | 1027 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
1028 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1029 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
1030 | lttng_bio_op(bio), lttng_bio_rw(bio), |
1031 | bio->bi_iter.bi_size) | |
54c4c2e3 | 1032 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1033 | ctf_integer(sector_t, sector, bio->bi_sector) |
1034 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1035 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 1036 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1037 | ctf_integer(sector_t, new_sector, new_sector) |
1038 | ctf_integer(pid_t, tid, current->pid) | |
1039 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
1040 | ) | |
f62b389e MD |
1041 | ) |
1042 | ||
1043 | /** | |
1044 | * block_bio_remap - map request for a logical device to the raw device | |
1045 | * @q: queue holding the operation | |
1046 | * @bio: revised operation | |
1047 | * @dev: device for the operation | |
1048 | * @from: original sector for the operation | |
1049 | * | |
1050 | * An operation for a logical device has been mapped to the | |
1051 | * raw block device. | |
1052 | */ | |
7c68b363 | 1053 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
3bc29f0a | 1054 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
7c68b363 | 1055 | #else |
3bc29f0a | 1056 | LTTNG_TRACEPOINT_EVENT(block_remap, |
7c68b363 | 1057 | #endif |
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( |
321e5e89 MD |
1065 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1066 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1067 | #else | |
cc0c32f0 | 1068 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
321e5e89 | 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 | ||
7c68b363 | 1087 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e MD |
1088 | /** |
1089 | * block_rq_remap - map request for a block operation request | |
1090 | * @q: queue holding the operation | |
1091 | * @rq: block IO operation request | |
1092 | * @dev: device for the operation | |
1093 | * @from: original sector for the operation | |
1094 | * | |
1095 | * The block operation request @rq in @q has been remapped. The block | |
1096 | * operation request @rq holds the current information and @from hold | |
1097 | * the original sector. | |
1098 | */ | |
3bc29f0a | 1099 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
f62b389e MD |
1100 | |
1101 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, | |
1102 | sector_t from), | |
1103 | ||
1104 | TP_ARGS(q, rq, dev, from), | |
1105 | ||
f127e61e MD |
1106 | TP_FIELDS( |
1107 | ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) | |
1108 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
1109 | ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) | |
1110 | ctf_integer(dev_t, old_dev, dev) | |
1111 | ctf_integer(sector_t, old_sector, from) | |
1112 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1113 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e | 1114 | ) |
f62b389e | 1115 | ) |
7c68b363 | 1116 | #endif |
f62b389e MD |
1117 | |
1118 | #undef __print_rwbs_flags | |
1119 | #undef blk_fill_rwbs | |
1120 | ||
3bc29f0a | 1121 | #endif /* LTTNG_TRACE_BLOCK_H */ |
f62b389e MD |
1122 | |
1123 | /* This part must be outside protection */ | |
6ec43db8 | 1124 | #include <probes/define_trace.h> |