| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM block |
| 4 | |
| 5 | #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define LTTNG_TRACE_BLOCK_H |
| 7 | |
| 8 | #include <probes/lttng-tracepoint-event.h> |
| 9 | #include <linux/blktrace_api.h> |
| 10 | #include <linux/blkdev.h> |
| 11 | #include <linux/trace_seq.h> |
| 12 | #include <lttng-kernel-version.h> |
| 13 | |
| 14 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
| 15 | #include <scsi/scsi_request.h> |
| 16 | #endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
| 17 | |
| 18 | #ifndef _TRACE_BLOCK_DEF_ |
| 19 | #define _TRACE_BLOCK_DEF_ |
| 20 | |
| 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), |
| 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), |
| 32 | RWBS_FLAG_PREFLUSH = (1 << 10), |
| 33 | }; |
| 34 | |
| 35 | #endif /* _TRACE_BLOCK_DEF_ */ |
| 36 | |
| 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 | |
| 53 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,8,0) || \ |
| 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)) |
| 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) \ |
| 68 | ctf_enum(block_rq_type, type, rwbs, \ |
| 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0)) |
| 82 | |
| 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) \ |
| 89 | ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
| 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 | |
| 100 | #else |
| 101 | |
| 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) \ |
| 108 | ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
| 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_SYNC ? RWBS_FLAG_SYNC : 0) \ |
| 114 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ |
| 115 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) |
| 116 | |
| 117 | #endif |
| 118 | |
| 119 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) |
| 120 | LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, |
| 121 | |
| 122 | TP_PROTO(struct buffer_head *bh), |
| 123 | |
| 124 | TP_ARGS(bh), |
| 125 | |
| 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) |
| 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 | */ |
| 139 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, |
| 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 | */ |
| 152 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, |
| 153 | |
| 154 | TP_PROTO(struct buffer_head *bh), |
| 155 | |
| 156 | TP_ARGS(bh) |
| 157 | ) |
| 158 | #endif |
| 159 | |
| 160 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) |
| 161 | /* block_rq_with_error event class removed in kernel 4.12 */ |
| 162 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
| 163 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, |
| 164 | |
| 165 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 166 | |
| 167 | TP_ARGS(q, rq), |
| 168 | |
| 169 | TP_locvar( |
| 170 | sector_t sector; |
| 171 | unsigned int nr_sector; |
| 172 | unsigned char *cmd; |
| 173 | size_t cmd_len; |
| 174 | ), |
| 175 | |
| 176 | TP_code_pre( |
| 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 | |
| 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 | } |
| 232 | ), |
| 233 | |
| 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, |
| 241 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 242 | ctf_sequence_hex(unsigned char, cmd, |
| 243 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) |
| 244 | ), |
| 245 | |
| 246 | TP_code_post() |
| 247 | ) |
| 248 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
| 249 | |
| 250 | #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,12,0)) |
| 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 | */ |
| 261 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, |
| 262 | |
| 263 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 264 | |
| 265 | TP_ARGS(q, rq) |
| 266 | ) |
| 267 | #endif |
| 268 | |
| 269 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 270 | /** |
| 271 | * block_rq_requeue - place block IO request back on a queue |
| 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 | */ |
| 278 | LTTNG_TRACEPOINT_EVENT(block_rq_requeue, |
| 279 | |
| 280 | TP_PROTO(struct request *rq), |
| 281 | |
| 282 | TP_ARGS(rq), |
| 283 | |
| 284 | TP_FIELDS( |
| 285 | ctf_integer(dev_t, dev, |
| 286 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 287 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) |
| 288 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) |
| 289 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 290 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 291 | ) |
| 292 | ) |
| 293 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) |
| 294 | /** |
| 295 | * block_rq_requeue - place block IO request back on a queue |
| 296 | * @q: queue holding operation |
| 297 | * @rq: block IO operation request |
| 298 | * |
| 299 | * The block operation request @rq is being placed back into queue |
| 300 | * @q. For some reason the request was not completed and needs to be |
| 301 | * put back in the queue. |
| 302 | */ |
| 303 | LTTNG_TRACEPOINT_EVENT(block_rq_requeue, |
| 304 | |
| 305 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 306 | |
| 307 | TP_ARGS(q, rq), |
| 308 | |
| 309 | TP_FIELDS( |
| 310 | ctf_integer(dev_t, dev, |
| 311 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 312 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) |
| 313 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) |
| 314 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 315 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 316 | ) |
| 317 | ) |
| 318 | #else |
| 319 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue, |
| 320 | |
| 321 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 322 | |
| 323 | TP_ARGS(q, rq) |
| 324 | ) |
| 325 | #endif |
| 326 | |
| 327 | /** |
| 328 | * block_rq_complete - block IO operation completed by device driver |
| 329 | * @q: queue containing the block operation request |
| 330 | * @rq: block operations request |
| 331 | * @nr_bytes: number of completed bytes |
| 332 | * |
| 333 | * The block_rq_complete tracepoint event indicates that some portion |
| 334 | * of operation request has been completed by the device driver. If |
| 335 | * the @rq->bio is %NULL, then there is absolutely no additional work to |
| 336 | * do for the request. If @rq->bio is non-NULL then there is |
| 337 | * additional work required to complete the request. |
| 338 | */ |
| 339 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) |
| 340 | LTTNG_TRACEPOINT_EVENT(block_rq_complete, |
| 341 | |
| 342 | TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), |
| 343 | |
| 344 | TP_ARGS(rq, error, nr_bytes), |
| 345 | |
| 346 | TP_FIELDS( |
| 347 | ctf_integer(dev_t, dev, |
| 348 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 349 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) |
| 350 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) |
| 351 | ctf_integer(int, error, error) |
| 352 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 353 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) |
| 354 | ) |
| 355 | ) |
| 356 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
| 357 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
| 358 | |
| 359 | TP_PROTO(struct request_queue *q, struct request *rq, |
| 360 | unsigned int nr_bytes), |
| 361 | |
| 362 | TP_ARGS(q, rq, nr_bytes), |
| 363 | |
| 364 | TP_locvar( |
| 365 | unsigned char *cmd; |
| 366 | size_t cmd_len; |
| 367 | ), |
| 368 | |
| 369 | TP_code_pre( |
| 370 | if (blk_rq_is_scsi(rq)) { |
| 371 | struct scsi_request *scsi_rq = scsi_req(rq); |
| 372 | tp_locvar->cmd = scsi_rq->cmd; |
| 373 | tp_locvar->cmd_len = scsi_rq->cmd_len; |
| 374 | } else { |
| 375 | tp_locvar->cmd = NULL; |
| 376 | tp_locvar->cmd_len = 0; |
| 377 | } |
| 378 | ), |
| 379 | |
| 380 | TP_FIELDS( |
| 381 | ctf_integer(dev_t, dev, |
| 382 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 383 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) |
| 384 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) |
| 385 | ctf_integer(int, errors, rq->errors) |
| 386 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 387 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) |
| 388 | ctf_sequence_hex(unsigned char, cmd, |
| 389 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) |
| 390 | ), |
| 391 | |
| 392 | TP_code_post() |
| 393 | ) |
| 394 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,5) \ |
| 395 | || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \ |
| 396 | || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \ |
| 397 | || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \ |
| 398 | || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \ |
| 399 | || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \ |
| 400 | || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0)) |
| 401 | |
| 402 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
| 403 | |
| 404 | TP_PROTO(struct request_queue *q, struct request *rq, |
| 405 | unsigned int nr_bytes), |
| 406 | |
| 407 | TP_ARGS(q, rq, nr_bytes), |
| 408 | |
| 409 | TP_locvar( |
| 410 | unsigned char *cmd; |
| 411 | size_t cmd_len; |
| 412 | ), |
| 413 | |
| 414 | TP_code_pre( |
| 415 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
| 416 | tp_locvar->cmd = rq->cmd; |
| 417 | tp_locvar->cmd_len = rq->cmd_len; |
| 418 | } else { |
| 419 | tp_locvar->cmd = NULL; |
| 420 | tp_locvar->cmd_len = 0; |
| 421 | } |
| 422 | ), |
| 423 | |
| 424 | TP_FIELDS( |
| 425 | ctf_integer(dev_t, dev, |
| 426 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 427 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) |
| 428 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) |
| 429 | ctf_integer(int, errors, rq->errors) |
| 430 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 431 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) |
| 432 | ctf_sequence_hex(unsigned char, cmd, |
| 433 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) |
| 434 | ), |
| 435 | |
| 436 | TP_code_post() |
| 437 | ) |
| 438 | |
| 439 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */ |
| 440 | |
| 441 | /** |
| 442 | * block_rq_complete - block IO operation completed by device driver |
| 443 | * @q: queue containing the block operation request |
| 444 | * @rq: block operations request |
| 445 | * |
| 446 | * The block_rq_complete tracepoint event indicates that some portion |
| 447 | * of operation request has been completed by the device driver. If |
| 448 | * the @rq->bio is %NULL, then there is absolutely no additional work to |
| 449 | * do for the request. If @rq->bio is non-NULL then there is |
| 450 | * additional work required to complete the request. |
| 451 | */ |
| 452 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, |
| 453 | |
| 454 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 455 | |
| 456 | TP_ARGS(q, rq) |
| 457 | ) |
| 458 | |
| 459 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */ |
| 460 | |
| 461 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 462 | LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, |
| 463 | |
| 464 | TP_PROTO(struct request *rq), |
| 465 | |
| 466 | TP_ARGS(rq), |
| 467 | |
| 468 | TP_FIELDS( |
| 469 | ctf_integer(dev_t, dev, |
| 470 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 471 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) |
| 472 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) |
| 473 | ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) |
| 474 | ctf_integer(pid_t, tid, current->pid) |
| 475 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 476 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 477 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 478 | ) |
| 479 | ) |
| 480 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) |
| 481 | LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, |
| 482 | |
| 483 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 484 | |
| 485 | TP_ARGS(q, rq), |
| 486 | |
| 487 | TP_FIELDS( |
| 488 | ctf_integer(dev_t, dev, |
| 489 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 490 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) |
| 491 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) |
| 492 | ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) |
| 493 | ctf_integer(pid_t, tid, current->pid) |
| 494 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 495 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 496 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 497 | ) |
| 498 | ) |
| 499 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
| 500 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
| 501 | |
| 502 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 503 | |
| 504 | TP_ARGS(q, rq), |
| 505 | |
| 506 | TP_locvar( |
| 507 | sector_t sector; |
| 508 | unsigned int nr_sector; |
| 509 | unsigned int bytes; |
| 510 | unsigned char *cmd; |
| 511 | size_t cmd_len; |
| 512 | ), |
| 513 | |
| 514 | TP_code_pre( |
| 515 | if (blk_rq_is_scsi(rq)) { |
| 516 | struct scsi_request *scsi_rq = scsi_req(rq); |
| 517 | tp_locvar->sector = 0; |
| 518 | tp_locvar->nr_sector = 0; |
| 519 | tp_locvar->bytes = scsi_rq->resid_len; |
| 520 | tp_locvar->cmd = scsi_rq->cmd; |
| 521 | tp_locvar->cmd_len = scsi_rq->cmd_len; |
| 522 | } else { |
| 523 | tp_locvar->sector = blk_rq_pos(rq); |
| 524 | tp_locvar->nr_sector = blk_rq_sectors(rq); |
| 525 | tp_locvar->bytes = 0; |
| 526 | tp_locvar->cmd = NULL; |
| 527 | tp_locvar->cmd_len = 0; |
| 528 | } |
| 529 | ), |
| 530 | |
| 531 | TP_FIELDS( |
| 532 | ctf_integer(dev_t, dev, |
| 533 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 534 | ctf_integer(sector_t, sector, tp_locvar->sector) |
| 535 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) |
| 536 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) |
| 537 | ctf_integer(pid_t, tid, current->pid) |
| 538 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 539 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 540 | ctf_sequence_hex(unsigned char, cmd, |
| 541 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) |
| 542 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 543 | ), |
| 544 | |
| 545 | TP_code_post() |
| 546 | ) |
| 547 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
| 548 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
| 549 | |
| 550 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 551 | |
| 552 | TP_ARGS(q, rq), |
| 553 | |
| 554 | TP_locvar( |
| 555 | sector_t sector; |
| 556 | unsigned int nr_sector; |
| 557 | unsigned int bytes; |
| 558 | unsigned char *cmd; |
| 559 | size_t cmd_len; |
| 560 | ), |
| 561 | |
| 562 | TP_code_pre( |
| 563 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
| 564 | tp_locvar->sector = 0; |
| 565 | tp_locvar->nr_sector = 0; |
| 566 | tp_locvar->bytes = blk_rq_bytes(rq); |
| 567 | tp_locvar->cmd = rq->cmd; |
| 568 | tp_locvar->cmd_len = rq->cmd_len; |
| 569 | } else { |
| 570 | tp_locvar->sector = blk_rq_pos(rq); |
| 571 | tp_locvar->nr_sector = blk_rq_sectors(rq); |
| 572 | tp_locvar->bytes = 0; |
| 573 | tp_locvar->cmd = NULL; |
| 574 | tp_locvar->cmd_len = 0; |
| 575 | } |
| 576 | ), |
| 577 | |
| 578 | TP_FIELDS( |
| 579 | ctf_integer(dev_t, dev, |
| 580 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) |
| 581 | ctf_integer(sector_t, sector, tp_locvar->sector) |
| 582 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) |
| 583 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) |
| 584 | ctf_integer(pid_t, tid, current->pid) |
| 585 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 586 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 587 | ctf_sequence_hex(unsigned char, cmd, |
| 588 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) |
| 589 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 590 | ), |
| 591 | |
| 592 | TP_code_post() |
| 593 | ) |
| 594 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
| 595 | |
| 596 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 597 | /** |
| 598 | * block_rq_insert - insert block operation request into queue |
| 599 | * @rq: block IO operation request |
| 600 | * |
| 601 | * Called immediately before block operation request @rq is inserted |
| 602 | * into queue @q. The fields in the operation request @rq struct can |
| 603 | * be examined to determine which device and sectors the pending |
| 604 | * operation would access. |
| 605 | */ |
| 606 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
| 607 | |
| 608 | TP_PROTO(struct request *rq), |
| 609 | |
| 610 | TP_ARGS(rq) |
| 611 | ) |
| 612 | #else |
| 613 | /** |
| 614 | * block_rq_insert - insert block operation request into queue |
| 615 | * @q: target queue |
| 616 | * @rq: block IO operation request |
| 617 | * |
| 618 | * Called immediately before block operation request @rq is inserted |
| 619 | * into queue @q. The fields in the operation request @rq struct can |
| 620 | * be examined to determine which device and sectors the pending |
| 621 | * operation would access. |
| 622 | */ |
| 623 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
| 624 | |
| 625 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 626 | |
| 627 | TP_ARGS(q, rq) |
| 628 | ) |
| 629 | #endif |
| 630 | |
| 631 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 632 | /** |
| 633 | * block_rq_issue - issue pending block IO request operation to device driver |
| 634 | * @rq: block IO operation operation request |
| 635 | * |
| 636 | * Called when block operation request @rq from queue @q is sent to a |
| 637 | * device driver for processing. |
| 638 | */ |
| 639 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
| 640 | |
| 641 | TP_PROTO(struct request *rq), |
| 642 | |
| 643 | TP_ARGS(rq) |
| 644 | ) |
| 645 | #else |
| 646 | /** |
| 647 | * block_rq_issue - issue pending block IO request operation to device driver |
| 648 | * @q: queue holding operation |
| 649 | * @rq: block IO operation operation request |
| 650 | * |
| 651 | * Called when block operation request @rq from queue @q is sent to a |
| 652 | * device driver for processing. |
| 653 | */ |
| 654 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
| 655 | |
| 656 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 657 | |
| 658 | TP_ARGS(q, rq) |
| 659 | ) |
| 660 | #endif |
| 661 | |
| 662 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 663 | /** |
| 664 | * block_rq_merge - merge request with another one in the elevator |
| 665 | * @rq: block IO operation operation request |
| 666 | * |
| 667 | * Called when block operation request @rq from queue @q is merged to another |
| 668 | * request queued in the elevator. |
| 669 | */ |
| 670 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge, |
| 671 | |
| 672 | TP_PROTO(struct request *rq), |
| 673 | |
| 674 | TP_ARGS(rq) |
| 675 | ) |
| 676 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0)) |
| 677 | /** |
| 678 | * block_rq_merge - merge request with another one in the elevator |
| 679 | * @q: queue holding operation |
| 680 | * @rq: block IO operation operation request |
| 681 | * |
| 682 | * Called when block operation request @rq from queue @q is merged to another |
| 683 | * request queued in the elevator. |
| 684 | */ |
| 685 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge, |
| 686 | |
| 687 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 688 | |
| 689 | TP_ARGS(q, rq) |
| 690 | ) |
| 691 | #endif |
| 692 | |
| 693 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0)) |
| 694 | /** |
| 695 | * block_bio_complete - completed all work on the block operation |
| 696 | * @q: queue holding the block operation |
| 697 | * @bio: block operation completed |
| 698 | * @error: io error value |
| 699 | * |
| 700 | * This tracepoint indicates there is no further work to do on this |
| 701 | * block IO operation @bio. |
| 702 | */ |
| 703 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
| 704 | |
| 705 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 706 | |
| 707 | TP_ARGS(q, bio), |
| 708 | |
| 709 | TP_FIELDS( |
| 710 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 711 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 712 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 713 | ctf_integer(int, error, blk_status_to_errno(bio->bi_status)) |
| 714 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 715 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 716 | bio->bi_iter.bi_size) |
| 717 | ) |
| 718 | ) |
| 719 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
| 720 | /** |
| 721 | * block_bio_complete - completed all work on the block operation |
| 722 | * @q: queue holding the block operation |
| 723 | * @bio: block operation completed |
| 724 | * @error: io error value |
| 725 | * |
| 726 | * This tracepoint indicates there is no further work to do on this |
| 727 | * block IO operation @bio. |
| 728 | */ |
| 729 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
| 730 | |
| 731 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
| 732 | |
| 733 | TP_ARGS(q, bio, error), |
| 734 | |
| 735 | TP_FIELDS( |
| 736 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 737 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 738 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 739 | ctf_integer(int, error, error) |
| 740 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 741 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 742 | bio->bi_iter.bi_size) |
| 743 | ) |
| 744 | ) |
| 745 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) |
| 746 | /** |
| 747 | * block_bio_complete - completed all work on the block operation |
| 748 | * @q: queue holding the block operation |
| 749 | * @bio: block operation completed |
| 750 | * @error: io error value |
| 751 | * |
| 752 | * This tracepoint indicates there is no further work to do on this |
| 753 | * block IO operation @bio. |
| 754 | */ |
| 755 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
| 756 | |
| 757 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
| 758 | |
| 759 | TP_ARGS(q, bio, error), |
| 760 | |
| 761 | TP_FIELDS( |
| 762 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 763 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 764 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 765 | ctf_integer(int, error, error) |
| 766 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 767 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 768 | bio->bi_iter.bi_size) |
| 769 | ) |
| 770 | ) |
| 771 | #else |
| 772 | /** |
| 773 | * block_bio_complete - completed all work on the block operation |
| 774 | * @q: queue holding the block operation |
| 775 | * @bio: block operation completed |
| 776 | * @error: io error value |
| 777 | * |
| 778 | * This tracepoint indicates there is no further work to do on this |
| 779 | * block IO operation @bio. |
| 780 | */ |
| 781 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
| 782 | |
| 783 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
| 784 | |
| 785 | TP_ARGS(q, bio, error), |
| 786 | |
| 787 | TP_FIELDS( |
| 788 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 789 | ctf_integer(sector_t, sector, bio->bi_sector) |
| 790 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) |
| 791 | ctf_integer(int, error, error) |
| 792 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 793 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
| 794 | ) |
| 795 | ) |
| 796 | #endif |
| 797 | |
| 798 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 799 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, |
| 800 | |
| 801 | TP_PROTO(struct bio *bio), |
| 802 | |
| 803 | TP_ARGS(bio), |
| 804 | |
| 805 | TP_FIELDS( |
| 806 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 807 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 808 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 809 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 810 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 811 | bio->bi_iter.bi_size) |
| 812 | ctf_integer(pid_t, tid, current->pid) |
| 813 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 814 | ) |
| 815 | ) |
| 816 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
| 817 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
| 818 | |
| 819 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
| 820 | |
| 821 | TP_ARGS(q, rq, bio), |
| 822 | |
| 823 | TP_FIELDS( |
| 824 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 825 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 826 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 827 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 828 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 829 | bio->bi_iter.bi_size) |
| 830 | ctf_integer(pid_t, tid, current->pid) |
| 831 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 832 | ) |
| 833 | ) |
| 834 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) |
| 835 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
| 836 | |
| 837 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
| 838 | |
| 839 | TP_ARGS(q, rq, bio), |
| 840 | |
| 841 | TP_FIELDS( |
| 842 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 843 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 844 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 845 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 846 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 847 | bio->bi_iter.bi_size) |
| 848 | ctf_integer(pid_t, tid, current->pid) |
| 849 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 850 | ) |
| 851 | ) |
| 852 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) |
| 853 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
| 854 | |
| 855 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
| 856 | |
| 857 | TP_ARGS(q, rq, bio), |
| 858 | |
| 859 | TP_FIELDS( |
| 860 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 861 | ctf_integer(sector_t, sector, bio->bi_sector) |
| 862 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) |
| 863 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 864 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
| 865 | ctf_integer(pid_t, tid, current->pid) |
| 866 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 867 | ) |
| 868 | ) |
| 869 | #endif |
| 870 | |
| 871 | |
| 872 | |
| 873 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 874 | /** |
| 875 | * block_bio_bounce - used bounce buffer when processing block operation |
| 876 | * @bio: block operation |
| 877 | * |
| 878 | * A bounce buffer was used to handle the block operation @bio in @q. |
| 879 | * This occurs when hardware limitations prevent a direct transfer of |
| 880 | * data between the @bio data memory area and the IO device. Use of a |
| 881 | * bounce buffer requires extra copying of data and decreases |
| 882 | * performance. |
| 883 | */ |
| 884 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_bounce, |
| 885 | |
| 886 | TP_PROTO(struct bio *bio), |
| 887 | |
| 888 | TP_ARGS(bio) |
| 889 | ) |
| 890 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
| 891 | /** |
| 892 | * block_bio_bounce - used bounce buffer when processing block operation |
| 893 | * @q: queue holding the block operation |
| 894 | * @bio: block operation |
| 895 | * |
| 896 | * A bounce buffer was used to handle the block operation @bio in @q. |
| 897 | * This occurs when hardware limitations prevent a direct transfer of |
| 898 | * data between the @bio data memory area and the IO device. Use of a |
| 899 | * bounce buffer requires extra copying of data and decreases |
| 900 | * performance. |
| 901 | */ |
| 902 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
| 903 | |
| 904 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 905 | |
| 906 | TP_ARGS(q, bio), |
| 907 | |
| 908 | TP_FIELDS( |
| 909 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 910 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 911 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 912 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 913 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 914 | bio->bi_iter.bi_size) |
| 915 | ctf_integer(pid_t, tid, current->pid) |
| 916 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 917 | ) |
| 918 | ) |
| 919 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) |
| 920 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
| 921 | |
| 922 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 923 | |
| 924 | TP_ARGS(q, bio), |
| 925 | |
| 926 | TP_FIELDS( |
| 927 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
| 928 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 929 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 930 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 931 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 932 | bio->bi_iter.bi_size) |
| 933 | ctf_integer(pid_t, tid, current->pid) |
| 934 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 935 | ) |
| 936 | ) |
| 937 | #else |
| 938 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
| 939 | |
| 940 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 941 | |
| 942 | TP_ARGS(q, bio), |
| 943 | |
| 944 | TP_FIELDS( |
| 945 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
| 946 | ctf_integer(sector_t, sector, bio->bi_sector) |
| 947 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) |
| 948 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 949 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 950 | bio->bi_size) |
| 951 | ctf_integer(pid_t, tid, current->pid) |
| 952 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 953 | ) |
| 954 | ) |
| 955 | #endif |
| 956 | |
| 957 | |
| 958 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 959 | /** |
| 960 | * block_bio_backmerge - merging block operation to the end of an existing operation |
| 961 | * @bio: new block operation to merge |
| 962 | * |
| 963 | * Merging block request @bio to the end of an existing block request. |
| 964 | */ |
| 965 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, |
| 966 | |
| 967 | TP_PROTO(struct bio *bio), |
| 968 | |
| 969 | TP_ARGS(bio) |
| 970 | ) |
| 971 | |
| 972 | /** |
| 973 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation |
| 974 | * @bio: new block operation to merge |
| 975 | * |
| 976 | * Merging block IO operation @bio to the beginning of an existing block request. |
| 977 | */ |
| 978 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, |
| 979 | |
| 980 | TP_PROTO(struct bio *bio), |
| 981 | |
| 982 | TP_ARGS(bio) |
| 983 | ) |
| 984 | |
| 985 | /** |
| 986 | * block_bio_queue - putting new block IO operation in queue |
| 987 | * @bio: new block operation |
| 988 | * |
| 989 | * About to place the block IO operation @bio into queue @q. |
| 990 | */ |
| 991 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, |
| 992 | |
| 993 | TP_PROTO(struct bio *bio), |
| 994 | |
| 995 | TP_ARGS(bio) |
| 996 | ) |
| 997 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) |
| 998 | /** |
| 999 | * block_bio_backmerge - merging block operation to the end of an existing operation |
| 1000 | * @q: queue holding operation |
| 1001 | * @rq: request bio is being merged into |
| 1002 | * @bio: new block operation to merge |
| 1003 | * |
| 1004 | * Merging block request @bio to the end of an existing block request |
| 1005 | * in queue @q. |
| 1006 | */ |
| 1007 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, |
| 1008 | |
| 1009 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
| 1010 | |
| 1011 | TP_ARGS(q, rq, bio) |
| 1012 | ) |
| 1013 | |
| 1014 | /** |
| 1015 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation |
| 1016 | * @q: queue holding operation |
| 1017 | * @rq: request bio is being merged into |
| 1018 | * @bio: new block operation to merge |
| 1019 | * |
| 1020 | * Merging block IO operation @bio to the beginning of an existing block |
| 1021 | * operation in queue @q. |
| 1022 | */ |
| 1023 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, |
| 1024 | |
| 1025 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
| 1026 | |
| 1027 | TP_ARGS(q, rq, bio) |
| 1028 | ) |
| 1029 | |
| 1030 | /** |
| 1031 | * block_bio_queue - putting new block IO operation in queue |
| 1032 | * @q: queue holding operation |
| 1033 | * @bio: new block operation |
| 1034 | * |
| 1035 | * About to place the block IO operation @bio into queue @q. |
| 1036 | */ |
| 1037 | LTTNG_TRACEPOINT_EVENT(block_bio_queue, |
| 1038 | |
| 1039 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 1040 | |
| 1041 | TP_ARGS(q, bio), |
| 1042 | |
| 1043 | TP_FIELDS( |
| 1044 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
| 1045 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 1046 | #else |
| 1047 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 1048 | #endif |
| 1049 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) |
| 1050 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 1051 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 1052 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1053 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 1054 | bio->bi_iter.bi_size) |
| 1055 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ |
| 1056 | ctf_integer(sector_t, sector, bio->bi_sector) |
| 1057 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) |
| 1058 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1059 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
| 1060 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ |
| 1061 | ctf_integer(pid_t, tid, current->pid) |
| 1062 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1063 | ) |
| 1064 | ) |
| 1065 | #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */ |
| 1066 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, |
| 1067 | |
| 1068 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 1069 | |
| 1070 | TP_ARGS(q, bio), |
| 1071 | |
| 1072 | TP_FIELDS( |
| 1073 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
| 1074 | ctf_integer(sector_t, sector, bio->bi_sector) |
| 1075 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) |
| 1076 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1077 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
| 1078 | ctf_integer(pid_t, tid, current->pid) |
| 1079 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1080 | ) |
| 1081 | ) |
| 1082 | |
| 1083 | /** |
| 1084 | * block_bio_backmerge - merging block operation to the end of an existing operation |
| 1085 | * @q: queue holding operation |
| 1086 | * @bio: new block operation to merge |
| 1087 | * |
| 1088 | * Merging block request @bio to the end of an existing block request |
| 1089 | * in queue @q. |
| 1090 | */ |
| 1091 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, |
| 1092 | |
| 1093 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 1094 | |
| 1095 | TP_ARGS(q, bio) |
| 1096 | ) |
| 1097 | |
| 1098 | /** |
| 1099 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation |
| 1100 | * @q: queue holding operation |
| 1101 | * @bio: new block operation to merge |
| 1102 | * |
| 1103 | * Merging block IO operation @bio to the beginning of an existing block |
| 1104 | * operation in queue @q. |
| 1105 | */ |
| 1106 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, |
| 1107 | |
| 1108 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 1109 | |
| 1110 | TP_ARGS(q, bio) |
| 1111 | ) |
| 1112 | |
| 1113 | /** |
| 1114 | * block_bio_queue - putting new block IO operation in queue |
| 1115 | * @q: queue holding operation |
| 1116 | * @bio: new block operation |
| 1117 | * |
| 1118 | * About to place the block IO operation @bio into queue @q. |
| 1119 | */ |
| 1120 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, |
| 1121 | |
| 1122 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 1123 | |
| 1124 | TP_ARGS(q, bio) |
| 1125 | ) |
| 1126 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */ |
| 1127 | |
| 1128 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 1129 | /** |
| 1130 | * block_getrq - get a free request entry in queue for block IO operations |
| 1131 | * @bio: pending block IO operation (can be %NULL) |
| 1132 | * |
| 1133 | * A request struct has been allocated to handle the block IO operation @bio. |
| 1134 | */ |
| 1135 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_getrq, |
| 1136 | |
| 1137 | TP_PROTO(struct bio *bio), |
| 1138 | |
| 1139 | TP_ARGS(bio) |
| 1140 | ) |
| 1141 | #else |
| 1142 | LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, |
| 1143 | |
| 1144 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
| 1145 | |
| 1146 | TP_ARGS(q, bio, rw), |
| 1147 | |
| 1148 | TP_FIELDS( |
| 1149 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
| 1150 | ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0) |
| 1151 | #else |
| 1152 | ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0) |
| 1153 | #endif |
| 1154 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) |
| 1155 | ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0) |
| 1156 | ctf_integer(unsigned int, nr_sector, |
| 1157 | bio ? bio_sectors(bio) : 0) |
| 1158 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1159 | bio ? lttng_bio_op(bio) : 0, |
| 1160 | bio ? lttng_bio_rw(bio) : 0, |
| 1161 | bio ? bio->bi_iter.bi_size : 0) |
| 1162 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ |
| 1163 | ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0) |
| 1164 | ctf_integer(unsigned int, nr_sector, |
| 1165 | bio ? bio->bi_size >> 9 : 0) |
| 1166 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1167 | bio ? lttng_bio_op(bio) : 0, |
| 1168 | bio ? lttng_bio_rw(bio) : 0, |
| 1169 | bio ? bio->bi_size : 0) |
| 1170 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ |
| 1171 | ctf_integer(pid_t, tid, current->pid) |
| 1172 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1173 | ) |
| 1174 | ) |
| 1175 | |
| 1176 | /** |
| 1177 | * block_getrq - get a free request entry in queue for block IO operations |
| 1178 | * @q: queue for operations |
| 1179 | * @bio: pending block IO operation (can be %NULL) |
| 1180 | * @rw: low bit indicates a read (%0) or a write (%1) |
| 1181 | * |
| 1182 | * A request struct for queue @q has been allocated to handle the |
| 1183 | * block IO operation @bio. |
| 1184 | */ |
| 1185 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, |
| 1186 | |
| 1187 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
| 1188 | |
| 1189 | TP_ARGS(q, bio, rw) |
| 1190 | ) |
| 1191 | |
| 1192 | /** |
| 1193 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation |
| 1194 | * @q: queue for operation |
| 1195 | * @bio: pending block IO operation (can be %NULL) |
| 1196 | * @rw: low bit indicates a read (%0) or a write (%1) |
| 1197 | * |
| 1198 | * In the case where a request struct cannot be provided for queue @q |
| 1199 | * the process needs to wait for an request struct to become |
| 1200 | * available. This tracepoint event is generated each time the |
| 1201 | * process goes to sleep waiting for request struct become available. |
| 1202 | */ |
| 1203 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq, |
| 1204 | |
| 1205 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
| 1206 | |
| 1207 | TP_ARGS(q, bio, rw) |
| 1208 | ) |
| 1209 | #endif |
| 1210 | |
| 1211 | /** |
| 1212 | * block_plug - keep operations requests in request queue |
| 1213 | * @q: request queue to plug |
| 1214 | * |
| 1215 | * Plug the request queue @q. Do not allow block operation requests |
| 1216 | * to be sent to the device driver. Instead, accumulate requests in |
| 1217 | * the queue to improve throughput performance of the block device. |
| 1218 | */ |
| 1219 | LTTNG_TRACEPOINT_EVENT(block_plug, |
| 1220 | |
| 1221 | TP_PROTO(struct request_queue *q), |
| 1222 | |
| 1223 | TP_ARGS(q), |
| 1224 | |
| 1225 | TP_FIELDS( |
| 1226 | ctf_integer(pid_t, tid, current->pid) |
| 1227 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1228 | ) |
| 1229 | ) |
| 1230 | |
| 1231 | LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, |
| 1232 | |
| 1233 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
| 1234 | |
| 1235 | TP_ARGS(q, depth, explicit), |
| 1236 | |
| 1237 | TP_FIELDS( |
| 1238 | ctf_integer(int, nr_rq, depth) |
| 1239 | ctf_integer(pid_t, tid, current->pid) |
| 1240 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1241 | ) |
| 1242 | ) |
| 1243 | |
| 1244 | /** |
| 1245 | * block_unplug - release of operations requests in request queue |
| 1246 | * @q: request queue to unplug |
| 1247 | * @depth: number of requests just added to the queue |
| 1248 | * @explicit: whether this was an explicit unplug, or one from schedule() |
| 1249 | * |
| 1250 | * Unplug request queue @q because device driver is scheduled to work |
| 1251 | * on elements in the request queue. |
| 1252 | */ |
| 1253 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, |
| 1254 | |
| 1255 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
| 1256 | |
| 1257 | TP_ARGS(q, depth, explicit) |
| 1258 | ) |
| 1259 | |
| 1260 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 1261 | /** |
| 1262 | * block_split - split a single bio struct into two bio structs |
| 1263 | * @bio: block operation being split |
| 1264 | * @new_sector: The starting sector for the new bio |
| 1265 | * |
| 1266 | * The bio request @bio needs to be split into two bio requests. The newly |
| 1267 | * created @bio request starts at @new_sector. This split may be required due to |
| 1268 | * hardware limitations such as operation crossing device boundaries in a RAID |
| 1269 | * system. |
| 1270 | */ |
| 1271 | LTTNG_TRACEPOINT_EVENT(block_split, |
| 1272 | |
| 1273 | TP_PROTO(struct bio *bio, unsigned int new_sector), |
| 1274 | |
| 1275 | TP_ARGS(bio, new_sector), |
| 1276 | |
| 1277 | TP_FIELDS( |
| 1278 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 1279 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 1280 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1281 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 1282 | bio->bi_iter.bi_size) |
| 1283 | ctf_integer(sector_t, new_sector, new_sector) |
| 1284 | ctf_integer(pid_t, tid, current->pid) |
| 1285 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1286 | ) |
| 1287 | ) |
| 1288 | |
| 1289 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
| 1290 | /** |
| 1291 | * block_split - split a single bio struct into two bio structs |
| 1292 | * @q: queue containing the bio |
| 1293 | * @bio: block operation being split |
| 1294 | * @new_sector: The starting sector for the new bio |
| 1295 | * |
| 1296 | * The bio request @bio in request queue @q needs to be split into two |
| 1297 | * bio requests. The newly created @bio request starts at |
| 1298 | * @new_sector. This split may be required due to hardware limitation |
| 1299 | * such as operation crossing device boundaries in a RAID system. |
| 1300 | */ |
| 1301 | LTTNG_TRACEPOINT_EVENT(block_split, |
| 1302 | |
| 1303 | TP_PROTO(struct request_queue *q, struct bio *bio, |
| 1304 | unsigned int new_sector), |
| 1305 | |
| 1306 | TP_ARGS(q, bio, new_sector), |
| 1307 | |
| 1308 | TP_FIELDS( |
| 1309 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 1310 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 1311 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1312 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 1313 | bio->bi_iter.bi_size) |
| 1314 | ctf_integer(sector_t, new_sector, new_sector) |
| 1315 | ctf_integer(pid_t, tid, current->pid) |
| 1316 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1317 | ) |
| 1318 | ) |
| 1319 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) |
| 1320 | LTTNG_TRACEPOINT_EVENT(block_split, |
| 1321 | |
| 1322 | TP_PROTO(struct request_queue *q, struct bio *bio, |
| 1323 | unsigned int new_sector), |
| 1324 | |
| 1325 | TP_ARGS(q, bio, new_sector), |
| 1326 | |
| 1327 | TP_FIELDS( |
| 1328 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 1329 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 1330 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1331 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 1332 | bio->bi_iter.bi_size) |
| 1333 | ctf_integer(sector_t, new_sector, new_sector) |
| 1334 | ctf_integer(pid_t, tid, current->pid) |
| 1335 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1336 | ) |
| 1337 | ) |
| 1338 | #else |
| 1339 | LTTNG_TRACEPOINT_EVENT(block_split, |
| 1340 | |
| 1341 | TP_PROTO(struct request_queue *q, struct bio *bio, |
| 1342 | unsigned int new_sector), |
| 1343 | |
| 1344 | TP_ARGS(q, bio, new_sector), |
| 1345 | |
| 1346 | TP_FIELDS( |
| 1347 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 1348 | ctf_integer(sector_t, sector, bio->bi_sector) |
| 1349 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1350 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
| 1351 | ctf_integer(sector_t, new_sector, new_sector) |
| 1352 | ctf_integer(pid_t, tid, current->pid) |
| 1353 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) |
| 1354 | ) |
| 1355 | ) |
| 1356 | #endif |
| 1357 | |
| 1358 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 1359 | /** |
| 1360 | * block_bio_remap - map request for a logical device to the raw device |
| 1361 | * @bio: revised operation |
| 1362 | * @dev: original device for the operation |
| 1363 | * @from: original sector for the operation |
| 1364 | * |
| 1365 | * An operation for a logical device has been mapped to the |
| 1366 | * raw block device. |
| 1367 | */ |
| 1368 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
| 1369 | |
| 1370 | TP_PROTO(struct bio *bio, dev_t dev, sector_t from), |
| 1371 | |
| 1372 | TP_ARGS(bio, dev, from), |
| 1373 | |
| 1374 | TP_FIELDS( |
| 1375 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 1376 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 1377 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 1378 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1379 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 1380 | bio->bi_iter.bi_size) |
| 1381 | ctf_integer(dev_t, old_dev, dev) |
| 1382 | ctf_integer(sector_t, old_sector, from) |
| 1383 | ) |
| 1384 | ) |
| 1385 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
| 1386 | /** |
| 1387 | * block_bio_remap - map request for a logical device to the raw device |
| 1388 | * @q: queue holding the operation |
| 1389 | * @bio: revised operation |
| 1390 | * @dev: device for the operation |
| 1391 | * @from: original sector for the operation |
| 1392 | * |
| 1393 | * An operation for a logical device has been mapped to the |
| 1394 | * raw block device. |
| 1395 | */ |
| 1396 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
| 1397 | |
| 1398 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, |
| 1399 | sector_t from), |
| 1400 | |
| 1401 | TP_ARGS(q, bio, dev, from), |
| 1402 | |
| 1403 | TP_FIELDS( |
| 1404 | ctf_integer(dev_t, dev, bio_dev(bio)) |
| 1405 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 1406 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 1407 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1408 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 1409 | bio->bi_iter.bi_size) |
| 1410 | ctf_integer(dev_t, old_dev, dev) |
| 1411 | ctf_integer(sector_t, old_sector, from) |
| 1412 | ) |
| 1413 | ) |
| 1414 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) |
| 1415 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
| 1416 | |
| 1417 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, |
| 1418 | sector_t from), |
| 1419 | |
| 1420 | TP_ARGS(q, bio, dev, from), |
| 1421 | |
| 1422 | TP_FIELDS( |
| 1423 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 1424 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
| 1425 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) |
| 1426 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1427 | lttng_bio_op(bio), lttng_bio_rw(bio), |
| 1428 | bio->bi_iter.bi_size) |
| 1429 | ctf_integer(dev_t, old_dev, dev) |
| 1430 | ctf_integer(sector_t, old_sector, from) |
| 1431 | ) |
| 1432 | ) |
| 1433 | #else |
| 1434 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
| 1435 | |
| 1436 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, |
| 1437 | sector_t from), |
| 1438 | |
| 1439 | TP_ARGS(q, bio, dev, from), |
| 1440 | |
| 1441 | TP_FIELDS( |
| 1442 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
| 1443 | ctf_integer(sector_t, sector, bio->bi_sector) |
| 1444 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) |
| 1445 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1446 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
| 1447 | ctf_integer(dev_t, old_dev, dev) |
| 1448 | ctf_integer(sector_t, old_sector, from) |
| 1449 | ) |
| 1450 | ) |
| 1451 | #endif |
| 1452 | |
| 1453 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) |
| 1454 | /** |
| 1455 | * block_rq_remap - map request for a block operation request |
| 1456 | * @rq: block IO operation request |
| 1457 | * @dev: device for the operation |
| 1458 | * @from: original sector for the operation |
| 1459 | * |
| 1460 | * The block operation request @rq in @q has been remapped. The block |
| 1461 | * operation request @rq holds the current information and @from hold |
| 1462 | * the original sector. |
| 1463 | */ |
| 1464 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
| 1465 | |
| 1466 | TP_PROTO(struct request *rq, dev_t dev, sector_t from), |
| 1467 | |
| 1468 | TP_ARGS(rq, dev, from), |
| 1469 | |
| 1470 | TP_FIELDS( |
| 1471 | ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) |
| 1472 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) |
| 1473 | ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) |
| 1474 | ctf_integer(dev_t, old_dev, dev) |
| 1475 | ctf_integer(sector_t, old_sector, from) |
| 1476 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1477 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 1478 | ) |
| 1479 | ) |
| 1480 | #else |
| 1481 | /** |
| 1482 | * block_rq_remap - map request for a block operation request |
| 1483 | * @q: queue holding the operation |
| 1484 | * @rq: block IO operation request |
| 1485 | * @dev: device for the operation |
| 1486 | * @from: original sector for the operation |
| 1487 | * |
| 1488 | * The block operation request @rq in @q has been remapped. The block |
| 1489 | * operation request @rq holds the current information and @from hold |
| 1490 | * the original sector. |
| 1491 | */ |
| 1492 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
| 1493 | |
| 1494 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, |
| 1495 | sector_t from), |
| 1496 | |
| 1497 | TP_ARGS(q, rq, dev, from), |
| 1498 | |
| 1499 | TP_FIELDS( |
| 1500 | ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) |
| 1501 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) |
| 1502 | ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) |
| 1503 | ctf_integer(dev_t, old_dev, dev) |
| 1504 | ctf_integer(sector_t, old_sector, from) |
| 1505 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
| 1506 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
| 1507 | ) |
| 1508 | ) |
| 1509 | #endif |
| 1510 | |
| 1511 | #undef __print_rwbs_flags |
| 1512 | #undef blk_fill_rwbs |
| 1513 | |
| 1514 | #endif /* LTTNG_TRACE_BLOCK_H */ |
| 1515 | |
| 1516 | /* This part must be outside protection */ |
| 1517 | #include <probes/define_trace.h> |