Li Zefan | d0b6e04 | 2009-07-13 10:33:21 +0800 | [diff] [blame] | 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM block |
| 3 | |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 4 | #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define _TRACE_BLOCK_H |
| 6 | |
| 7 | #include <linux/blktrace_api.h> |
| 8 | #include <linux/blkdev.h> |
Tejun Heo | 5305cb8 | 2013-01-11 13:06:36 -0800 | [diff] [blame] | 9 | #include <linux/buffer_head.h> |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 10 | #include <linux/tracepoint.h> |
| 11 | |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 12 | #define RWBS_LEN 8 |
| 13 | |
Tejun Heo | 5305cb8 | 2013-01-11 13:06:36 -0800 | [diff] [blame] | 14 | DECLARE_EVENT_CLASS(block_buffer, |
| 15 | |
| 16 | TP_PROTO(struct buffer_head *bh), |
| 17 | |
| 18 | TP_ARGS(bh), |
| 19 | |
| 20 | TP_STRUCT__entry ( |
| 21 | __field( dev_t, dev ) |
| 22 | __field( sector_t, sector ) |
| 23 | __field( size_t, size ) |
| 24 | ), |
| 25 | |
| 26 | TP_fast_assign( |
| 27 | __entry->dev = bh->b_bdev->bd_dev; |
| 28 | __entry->sector = bh->b_blocknr; |
| 29 | __entry->size = bh->b_size; |
| 30 | ), |
| 31 | |
| 32 | TP_printk("%d,%d sector=%llu size=%zu", |
| 33 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 34 | (unsigned long long)__entry->sector, __entry->size |
| 35 | ) |
| 36 | ); |
| 37 | |
| 38 | /** |
| 39 | * block_touch_buffer - mark a buffer accessed |
| 40 | * @bh: buffer_head being touched |
| 41 | * |
| 42 | * Called from touch_buffer(). |
| 43 | */ |
| 44 | DEFINE_EVENT(block_buffer, block_touch_buffer, |
| 45 | |
| 46 | TP_PROTO(struct buffer_head *bh), |
| 47 | |
| 48 | TP_ARGS(bh) |
| 49 | ); |
| 50 | |
| 51 | /** |
| 52 | * block_dirty_buffer - mark a buffer dirty |
| 53 | * @bh: buffer_head being dirtied |
| 54 | * |
| 55 | * Called from mark_buffer_dirty(). |
| 56 | */ |
| 57 | DEFINE_EVENT(block_buffer, block_dirty_buffer, |
| 58 | |
| 59 | TP_PROTO(struct buffer_head *bh), |
| 60 | |
| 61 | TP_ARGS(bh) |
| 62 | ); |
| 63 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 64 | DECLARE_EVENT_CLASS(block_rq_with_error, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 65 | |
| 66 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 67 | |
| 68 | TP_ARGS(q, rq), |
| 69 | |
| 70 | TP_STRUCT__entry( |
| 71 | __field( dev_t, dev ) |
| 72 | __field( sector_t, sector ) |
| 73 | __field( unsigned int, nr_sector ) |
| 74 | __field( int, errors ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 75 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 76 | __dynamic_array( char, cmd, blk_cmd_buf_len(rq) ) |
| 77 | ), |
| 78 | |
| 79 | TP_fast_assign( |
| 80 | __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; |
Christoph Hellwig | 33659eb | 2010-08-07 18:17:56 +0200 | [diff] [blame] | 81 | __entry->sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? |
| 82 | 0 : blk_rq_pos(rq); |
| 83 | __entry->nr_sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? |
| 84 | 0 : blk_rq_sectors(rq); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 85 | __entry->errors = rq->errors; |
| 86 | |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 87 | blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, |
| 88 | blk_rq_bytes(rq)); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 89 | blk_dump_cmd(__get_str(cmd), rq); |
| 90 | ), |
| 91 | |
| 92 | TP_printk("%d,%d %s (%s) %llu + %u [%d]", |
| 93 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 94 | __entry->rwbs, __get_str(cmd), |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 95 | (unsigned long long)__entry->sector, |
| 96 | __entry->nr_sector, __entry->errors) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 97 | ); |
| 98 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 99 | /** |
| 100 | * block_rq_abort - abort block operation request |
| 101 | * @q: queue containing the block operation request |
| 102 | * @rq: block IO operation request |
| 103 | * |
| 104 | * Called immediately after pending block IO operation request @rq in |
| 105 | * queue @q is aborted. The fields in the operation request @rq |
| 106 | * can be examined to determine which device and sectors the pending |
| 107 | * operation would access. |
| 108 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 109 | DEFINE_EVENT(block_rq_with_error, block_rq_abort, |
| 110 | |
| 111 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 112 | |
| 113 | TP_ARGS(q, rq) |
| 114 | ); |
| 115 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 116 | /** |
| 117 | * block_rq_requeue - place block IO request back on a queue |
| 118 | * @q: queue holding operation |
| 119 | * @rq: block IO operation request |
| 120 | * |
| 121 | * The block operation request @rq is being placed back into queue |
| 122 | * @q. For some reason the request was not completed and needs to be |
| 123 | * put back in the queue. |
| 124 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 125 | DEFINE_EVENT(block_rq_with_error, block_rq_requeue, |
| 126 | |
| 127 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 128 | |
| 129 | TP_ARGS(q, rq) |
| 130 | ); |
| 131 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 132 | /** |
| 133 | * block_rq_complete - block IO operation completed by device driver |
| 134 | * @q: queue containing the block operation request |
| 135 | * @rq: block operations request |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 136 | * @nr_bytes: number of completed bytes |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 137 | * |
| 138 | * The block_rq_complete tracepoint event indicates that some portion |
| 139 | * of operation request has been completed by the device driver. If |
| 140 | * the @rq->bio is %NULL, then there is absolutely no additional work to |
| 141 | * do for the request. If @rq->bio is non-NULL then there is |
| 142 | * additional work required to complete the request. |
| 143 | */ |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 144 | TRACE_EVENT(block_rq_complete, |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 145 | |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 146 | TP_PROTO(struct request_queue *q, struct request *rq, |
| 147 | unsigned int nr_bytes), |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 148 | |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 149 | TP_ARGS(q, rq, nr_bytes), |
| 150 | |
| 151 | TP_STRUCT__entry( |
| 152 | __field( dev_t, dev ) |
| 153 | __field( sector_t, sector ) |
| 154 | __field( unsigned int, nr_sector ) |
| 155 | __field( int, errors ) |
| 156 | __array( char, rwbs, RWBS_LEN ) |
| 157 | __dynamic_array( char, cmd, blk_cmd_buf_len(rq) ) |
| 158 | ), |
| 159 | |
| 160 | TP_fast_assign( |
| 161 | __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; |
| 162 | __entry->sector = blk_rq_pos(rq); |
| 163 | __entry->nr_sector = nr_bytes >> 9; |
| 164 | __entry->errors = rq->errors; |
| 165 | |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 166 | blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, nr_bytes); |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 167 | blk_dump_cmd(__get_str(cmd), rq); |
| 168 | ), |
| 169 | |
| 170 | TP_printk("%d,%d %s (%s) %llu + %u [%d]", |
| 171 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 172 | __entry->rwbs, __get_str(cmd), |
| 173 | (unsigned long long)__entry->sector, |
| 174 | __entry->nr_sector, __entry->errors) |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 175 | ); |
| 176 | |
| 177 | DECLARE_EVENT_CLASS(block_rq, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 178 | |
| 179 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 180 | |
| 181 | TP_ARGS(q, rq), |
| 182 | |
| 183 | TP_STRUCT__entry( |
| 184 | __field( dev_t, dev ) |
| 185 | __field( sector_t, sector ) |
| 186 | __field( unsigned int, nr_sector ) |
| 187 | __field( unsigned int, bytes ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 188 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 189 | __array( char, comm, TASK_COMM_LEN ) |
| 190 | __dynamic_array( char, cmd, blk_cmd_buf_len(rq) ) |
| 191 | ), |
| 192 | |
| 193 | TP_fast_assign( |
| 194 | __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; |
Christoph Hellwig | 33659eb | 2010-08-07 18:17:56 +0200 | [diff] [blame] | 195 | __entry->sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? |
| 196 | 0 : blk_rq_pos(rq); |
| 197 | __entry->nr_sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? |
| 198 | 0 : blk_rq_sectors(rq); |
| 199 | __entry->bytes = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? |
| 200 | blk_rq_bytes(rq) : 0; |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 201 | |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 202 | blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, |
| 203 | blk_rq_bytes(rq)); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 204 | blk_dump_cmd(__get_str(cmd), rq); |
| 205 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 206 | ), |
| 207 | |
| 208 | TP_printk("%d,%d %s %u (%s) %llu + %u [%s]", |
| 209 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 210 | __entry->rwbs, __entry->bytes, __get_str(cmd), |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 211 | (unsigned long long)__entry->sector, |
| 212 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 213 | ); |
| 214 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 215 | /** |
| 216 | * block_rq_insert - insert block operation request into queue |
| 217 | * @q: target queue |
| 218 | * @rq: block IO operation request |
| 219 | * |
| 220 | * Called immediately before block operation request @rq is inserted |
| 221 | * into queue @q. The fields in the operation request @rq struct can |
| 222 | * be examined to determine which device and sectors the pending |
| 223 | * operation would access. |
| 224 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 225 | DEFINE_EVENT(block_rq, block_rq_insert, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 226 | |
| 227 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 228 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 229 | TP_ARGS(q, rq) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 230 | ); |
| 231 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 232 | /** |
| 233 | * block_rq_issue - issue pending block IO request operation to device driver |
| 234 | * @q: queue holding operation |
| 235 | * @rq: block IO operation operation request |
| 236 | * |
| 237 | * Called when block operation request @rq from queue @q is sent to a |
| 238 | * device driver for processing. |
| 239 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 240 | DEFINE_EVENT(block_rq, block_rq_issue, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 241 | |
| 242 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 243 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 244 | TP_ARGS(q, rq) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 245 | ); |
Carsten Emde | fe63b94 | 2009-09-12 00:05:37 +0200 | [diff] [blame] | 246 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 247 | /** |
| 248 | * block_bio_bounce - used bounce buffer when processing block operation |
| 249 | * @q: queue holding the block operation |
| 250 | * @bio: block operation |
| 251 | * |
| 252 | * A bounce buffer was used to handle the block operation @bio in @q. |
| 253 | * This occurs when hardware limitations prevent a direct transfer of |
| 254 | * data between the @bio data memory area and the IO device. Use of a |
| 255 | * bounce buffer requires extra copying of data and decreases |
| 256 | * performance. |
| 257 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 258 | TRACE_EVENT(block_bio_bounce, |
| 259 | |
| 260 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 261 | |
| 262 | TP_ARGS(q, bio), |
| 263 | |
| 264 | TP_STRUCT__entry( |
| 265 | __field( dev_t, dev ) |
| 266 | __field( sector_t, sector ) |
| 267 | __field( unsigned int, nr_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 268 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 269 | __array( char, comm, TASK_COMM_LEN ) |
| 270 | ), |
| 271 | |
| 272 | TP_fast_assign( |
Carsten Emde | fe63b94 | 2009-09-12 00:05:37 +0200 | [diff] [blame] | 273 | __entry->dev = bio->bi_bdev ? |
| 274 | bio->bi_bdev->bd_dev : 0; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 275 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 276 | __entry->nr_sector = bio_sectors(bio); |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame^] | 277 | blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf, |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 278 | bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 279 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 280 | ), |
| 281 | |
| 282 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 283 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 284 | (unsigned long long)__entry->sector, |
| 285 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 286 | ); |
| 287 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 288 | /** |
| 289 | * block_bio_complete - completed all work on the block operation |
Linus Torvalds | 0a82a8d | 2013-04-18 09:00:26 -0700 | [diff] [blame] | 290 | * @q: queue holding the block operation |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 291 | * @bio: block operation completed |
Jeff Moyer | b7908c1 | 2011-01-06 20:41:42 +0100 | [diff] [blame] | 292 | * @error: io error value |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 293 | * |
| 294 | * This tracepoint indicates there is no further work to do on this |
| 295 | * block IO operation @bio. |
| 296 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 297 | TRACE_EVENT(block_bio_complete, |
| 298 | |
Linus Torvalds | 0a82a8d | 2013-04-18 09:00:26 -0700 | [diff] [blame] | 299 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 300 | |
Linus Torvalds | 0a82a8d | 2013-04-18 09:00:26 -0700 | [diff] [blame] | 301 | TP_ARGS(q, bio, error), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 302 | |
| 303 | TP_STRUCT__entry( |
| 304 | __field( dev_t, dev ) |
| 305 | __field( sector_t, sector ) |
| 306 | __field( unsigned, nr_sector ) |
| 307 | __field( int, error ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 308 | __array( char, rwbs, RWBS_LEN) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 309 | ), |
| 310 | |
| 311 | TP_fast_assign( |
Linus Torvalds | 0a82a8d | 2013-04-18 09:00:26 -0700 | [diff] [blame] | 312 | __entry->dev = bio->bi_bdev->bd_dev; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 313 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 314 | __entry->nr_sector = bio_sectors(bio); |
Jeff Moyer | b7908c1 | 2011-01-06 20:41:42 +0100 | [diff] [blame] | 315 | __entry->error = error; |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame^] | 316 | blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf, |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 317 | bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 318 | ), |
| 319 | |
| 320 | TP_printk("%d,%d %s %llu + %u [%d]", |
| 321 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 322 | (unsigned long long)__entry->sector, |
| 323 | __entry->nr_sector, __entry->error) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 324 | ); |
| 325 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 326 | DECLARE_EVENT_CLASS(block_bio_merge, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 327 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 328 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 329 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 330 | TP_ARGS(q, rq, bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 331 | |
| 332 | TP_STRUCT__entry( |
| 333 | __field( dev_t, dev ) |
| 334 | __field( sector_t, sector ) |
| 335 | __field( unsigned int, nr_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 336 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 337 | __array( char, comm, TASK_COMM_LEN ) |
| 338 | ), |
| 339 | |
| 340 | TP_fast_assign( |
| 341 | __entry->dev = bio->bi_bdev->bd_dev; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 342 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 343 | __entry->nr_sector = bio_sectors(bio); |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame^] | 344 | blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf, |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 345 | bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 346 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 347 | ), |
| 348 | |
| 349 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 350 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 351 | (unsigned long long)__entry->sector, |
| 352 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 353 | ); |
| 354 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 355 | /** |
| 356 | * block_bio_backmerge - merging block operation to the end of an existing operation |
| 357 | * @q: queue holding operation |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 358 | * @rq: request bio is being merged into |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 359 | * @bio: new block operation to merge |
| 360 | * |
| 361 | * Merging block request @bio to the end of an existing block request |
| 362 | * in queue @q. |
| 363 | */ |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 364 | DEFINE_EVENT(block_bio_merge, block_bio_backmerge, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 365 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 366 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 367 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 368 | TP_ARGS(q, rq, bio) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 369 | ); |
| 370 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 371 | /** |
| 372 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation |
| 373 | * @q: queue holding operation |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 374 | * @rq: request bio is being merged into |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 375 | * @bio: new block operation to merge |
| 376 | * |
| 377 | * Merging block IO operation @bio to the beginning of an existing block |
| 378 | * operation in queue @q. |
| 379 | */ |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 380 | DEFINE_EVENT(block_bio_merge, block_bio_frontmerge, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 381 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 382 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 383 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 384 | TP_ARGS(q, rq, bio) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 385 | ); |
| 386 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 387 | /** |
| 388 | * block_bio_queue - putting new block IO operation in queue |
| 389 | * @q: queue holding operation |
| 390 | * @bio: new block operation |
| 391 | * |
| 392 | * About to place the block IO operation @bio into queue @q. |
| 393 | */ |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 394 | TRACE_EVENT(block_bio_queue, |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 395 | |
| 396 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 397 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 398 | TP_ARGS(q, bio), |
| 399 | |
| 400 | TP_STRUCT__entry( |
| 401 | __field( dev_t, dev ) |
| 402 | __field( sector_t, sector ) |
| 403 | __field( unsigned int, nr_sector ) |
| 404 | __array( char, rwbs, RWBS_LEN ) |
| 405 | __array( char, comm, TASK_COMM_LEN ) |
| 406 | ), |
| 407 | |
| 408 | TP_fast_assign( |
| 409 | __entry->dev = bio->bi_bdev->bd_dev; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 410 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 411 | __entry->nr_sector = bio_sectors(bio); |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame^] | 412 | blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf, |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 413 | bio->bi_iter.bi_size); |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 414 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 415 | ), |
| 416 | |
| 417 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 418 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
| 419 | (unsigned long long)__entry->sector, |
| 420 | __entry->nr_sector, __entry->comm) |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 421 | ); |
| 422 | |
| 423 | DECLARE_EVENT_CLASS(block_get_rq, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 424 | |
| 425 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
| 426 | |
| 427 | TP_ARGS(q, bio, rw), |
| 428 | |
| 429 | TP_STRUCT__entry( |
| 430 | __field( dev_t, dev ) |
| 431 | __field( sector_t, sector ) |
| 432 | __field( unsigned int, nr_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 433 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 434 | __array( char, comm, TASK_COMM_LEN ) |
| 435 | ), |
| 436 | |
| 437 | TP_fast_assign( |
| 438 | __entry->dev = bio ? bio->bi_bdev->bd_dev : 0; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 439 | __entry->sector = bio ? bio->bi_iter.bi_sector : 0; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 440 | __entry->nr_sector = bio ? bio_sectors(bio) : 0; |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 441 | blk_fill_rwbs(__entry->rwbs, bio ? bio_op(bio) : 0, |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame^] | 442 | bio ? bio->bi_opf : 0, __entry->nr_sector); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 443 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 444 | ), |
| 445 | |
| 446 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 447 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 448 | (unsigned long long)__entry->sector, |
| 449 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 450 | ); |
| 451 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 452 | /** |
| 453 | * block_getrq - get a free request entry in queue for block IO operations |
| 454 | * @q: queue for operations |
| 455 | * @bio: pending block IO operation |
| 456 | * @rw: low bit indicates a read (%0) or a write (%1) |
| 457 | * |
| 458 | * A request struct for queue @q has been allocated to handle the |
| 459 | * block IO operation @bio. |
| 460 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 461 | DEFINE_EVENT(block_get_rq, block_getrq, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 462 | |
| 463 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
| 464 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 465 | TP_ARGS(q, bio, rw) |
| 466 | ); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 467 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 468 | /** |
| 469 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation |
| 470 | * @q: queue for operation |
| 471 | * @bio: pending block IO operation |
| 472 | * @rw: low bit indicates a read (%0) or a write (%1) |
| 473 | * |
| 474 | * In the case where a request struct cannot be provided for queue @q |
| 475 | * the process needs to wait for an request struct to become |
| 476 | * available. This tracepoint event is generated each time the |
| 477 | * process goes to sleep waiting for request struct become available. |
| 478 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 479 | DEFINE_EVENT(block_get_rq, block_sleeprq, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 480 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 481 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 482 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 483 | TP_ARGS(q, bio, rw) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 484 | ); |
| 485 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 486 | /** |
| 487 | * block_plug - keep operations requests in request queue |
| 488 | * @q: request queue to plug |
| 489 | * |
| 490 | * Plug the request queue @q. Do not allow block operation requests |
| 491 | * to be sent to the device driver. Instead, accumulate requests in |
| 492 | * the queue to improve throughput performance of the block device. |
| 493 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 494 | TRACE_EVENT(block_plug, |
| 495 | |
| 496 | TP_PROTO(struct request_queue *q), |
| 497 | |
| 498 | TP_ARGS(q), |
| 499 | |
| 500 | TP_STRUCT__entry( |
| 501 | __array( char, comm, TASK_COMM_LEN ) |
| 502 | ), |
| 503 | |
| 504 | TP_fast_assign( |
| 505 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 506 | ), |
| 507 | |
| 508 | TP_printk("[%s]", __entry->comm) |
| 509 | ); |
| 510 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 511 | DECLARE_EVENT_CLASS(block_unplug, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 512 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 513 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 514 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 515 | TP_ARGS(q, depth, explicit), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 516 | |
| 517 | TP_STRUCT__entry( |
| 518 | __field( int, nr_rq ) |
| 519 | __array( char, comm, TASK_COMM_LEN ) |
| 520 | ), |
| 521 | |
| 522 | TP_fast_assign( |
Jens Axboe | 94b5eb2 | 2011-04-12 10:12:19 +0200 | [diff] [blame] | 523 | __entry->nr_rq = depth; |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 524 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 525 | ), |
| 526 | |
| 527 | TP_printk("[%s] %d", __entry->comm, __entry->nr_rq) |
| 528 | ); |
| 529 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 530 | /** |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 531 | * block_unplug - release of operations requests in request queue |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 532 | * @q: request queue to unplug |
Jens Axboe | 94b5eb2 | 2011-04-12 10:12:19 +0200 | [diff] [blame] | 533 | * @depth: number of requests just added to the queue |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 534 | * @explicit: whether this was an explicit unplug, or one from schedule() |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 535 | * |
| 536 | * Unplug request queue @q because device driver is scheduled to work |
| 537 | * on elements in the request queue. |
| 538 | */ |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 539 | DEFINE_EVENT(block_unplug, block_unplug, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 540 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 541 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 542 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 543 | TP_ARGS(q, depth, explicit) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 544 | ); |
| 545 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 546 | /** |
| 547 | * block_split - split a single bio struct into two bio structs |
| 548 | * @q: queue containing the bio |
| 549 | * @bio: block operation being split |
| 550 | * @new_sector: The starting sector for the new bio |
| 551 | * |
| 552 | * The bio request @bio in request queue @q needs to be split into two |
| 553 | * bio requests. The newly created @bio request starts at |
| 554 | * @new_sector. This split may be required due to hardware limitation |
| 555 | * such as operation crossing device boundaries in a RAID system. |
| 556 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 557 | TRACE_EVENT(block_split, |
| 558 | |
| 559 | TP_PROTO(struct request_queue *q, struct bio *bio, |
| 560 | unsigned int new_sector), |
| 561 | |
| 562 | TP_ARGS(q, bio, new_sector), |
| 563 | |
| 564 | TP_STRUCT__entry( |
| 565 | __field( dev_t, dev ) |
| 566 | __field( sector_t, sector ) |
| 567 | __field( sector_t, new_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 568 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 569 | __array( char, comm, TASK_COMM_LEN ) |
| 570 | ), |
| 571 | |
| 572 | TP_fast_assign( |
| 573 | __entry->dev = bio->bi_bdev->bd_dev; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 574 | __entry->sector = bio->bi_iter.bi_sector; |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 575 | __entry->new_sector = new_sector; |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame^] | 576 | blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf, |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 577 | bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 578 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 579 | ), |
| 580 | |
| 581 | TP_printk("%d,%d %s %llu / %llu [%s]", |
| 582 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 583 | (unsigned long long)__entry->sector, |
| 584 | (unsigned long long)__entry->new_sector, |
| 585 | __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 586 | ); |
| 587 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 588 | /** |
Mike Snitzer | d07335e | 2010-11-16 12:52:38 +0100 | [diff] [blame] | 589 | * block_bio_remap - map request for a logical device to the raw device |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 590 | * @q: queue holding the operation |
| 591 | * @bio: revised operation |
| 592 | * @dev: device for the operation |
| 593 | * @from: original sector for the operation |
| 594 | * |
Mike Snitzer | d07335e | 2010-11-16 12:52:38 +0100 | [diff] [blame] | 595 | * An operation for a logical device has been mapped to the |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 596 | * raw block device. |
| 597 | */ |
Mike Snitzer | d07335e | 2010-11-16 12:52:38 +0100 | [diff] [blame] | 598 | TRACE_EVENT(block_bio_remap, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 599 | |
| 600 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, |
| 601 | sector_t from), |
| 602 | |
| 603 | TP_ARGS(q, bio, dev, from), |
| 604 | |
| 605 | TP_STRUCT__entry( |
| 606 | __field( dev_t, dev ) |
| 607 | __field( sector_t, sector ) |
| 608 | __field( unsigned int, nr_sector ) |
| 609 | __field( dev_t, old_dev ) |
| 610 | __field( sector_t, old_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 611 | __array( char, rwbs, RWBS_LEN) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 612 | ), |
| 613 | |
| 614 | TP_fast_assign( |
| 615 | __entry->dev = bio->bi_bdev->bd_dev; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 616 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 617 | __entry->nr_sector = bio_sectors(bio); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 618 | __entry->old_dev = dev; |
| 619 | __entry->old_sector = from; |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame^] | 620 | blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf, |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 621 | bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 622 | ), |
| 623 | |
| 624 | TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", |
| 625 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 626 | (unsigned long long)__entry->sector, |
| 627 | __entry->nr_sector, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 628 | MAJOR(__entry->old_dev), MINOR(__entry->old_dev), |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 629 | (unsigned long long)__entry->old_sector) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 630 | ); |
| 631 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 632 | /** |
| 633 | * block_rq_remap - map request for a block operation request |
| 634 | * @q: queue holding the operation |
| 635 | * @rq: block IO operation request |
| 636 | * @dev: device for the operation |
| 637 | * @from: original sector for the operation |
| 638 | * |
| 639 | * The block operation request @rq in @q has been remapped. The block |
| 640 | * operation request @rq holds the current information and @from hold |
| 641 | * the original sector. |
| 642 | */ |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 643 | TRACE_EVENT(block_rq_remap, |
| 644 | |
| 645 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, |
| 646 | sector_t from), |
| 647 | |
| 648 | TP_ARGS(q, rq, dev, from), |
| 649 | |
| 650 | TP_STRUCT__entry( |
| 651 | __field( dev_t, dev ) |
| 652 | __field( sector_t, sector ) |
| 653 | __field( unsigned int, nr_sector ) |
| 654 | __field( dev_t, old_dev ) |
| 655 | __field( sector_t, old_sector ) |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 656 | __field( unsigned int, nr_bios ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 657 | __array( char, rwbs, RWBS_LEN) |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 658 | ), |
| 659 | |
| 660 | TP_fast_assign( |
| 661 | __entry->dev = disk_devt(rq->rq_disk); |
| 662 | __entry->sector = blk_rq_pos(rq); |
| 663 | __entry->nr_sector = blk_rq_sectors(rq); |
| 664 | __entry->old_dev = dev; |
| 665 | __entry->old_sector = from; |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 666 | __entry->nr_bios = blk_rq_count_bios(rq); |
Mike Christie | 1b9a9ab | 2016-06-05 14:32:18 -0500 | [diff] [blame] | 667 | blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, |
| 668 | blk_rq_bytes(rq)); |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 669 | ), |
| 670 | |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 671 | TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u", |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 672 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
| 673 | (unsigned long long)__entry->sector, |
| 674 | __entry->nr_sector, |
| 675 | MAJOR(__entry->old_dev), MINOR(__entry->old_dev), |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 676 | (unsigned long long)__entry->old_sector, __entry->nr_bios) |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 677 | ); |
| 678 | |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 679 | #endif /* _TRACE_BLOCK_H */ |
| 680 | |
| 681 | /* This part must be outside protection */ |
| 682 | #include <trace/define_trace.h> |
| 683 | |