Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Li Zefan | d0b6e04 | 2009-07-13 10:33:21 +0800 | [diff] [blame] | 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM block |
| 4 | |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 5 | #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _TRACE_BLOCK_H |
| 7 | |
| 8 | #include <linux/blktrace_api.h> |
| 9 | #include <linux/blkdev.h> |
Tejun Heo | 5305cb8 | 2013-01-11 13:06:36 -0800 | [diff] [blame] | 10 | #include <linux/buffer_head.h> |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 11 | #include <linux/tracepoint.h> |
| 12 | |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 13 | #define RWBS_LEN 8 |
| 14 | |
Tejun Heo | 5305cb8 | 2013-01-11 13:06:36 -0800 | [diff] [blame] | 15 | DECLARE_EVENT_CLASS(block_buffer, |
| 16 | |
| 17 | TP_PROTO(struct buffer_head *bh), |
| 18 | |
| 19 | TP_ARGS(bh), |
| 20 | |
| 21 | TP_STRUCT__entry ( |
| 22 | __field( dev_t, dev ) |
| 23 | __field( sector_t, sector ) |
| 24 | __field( size_t, size ) |
| 25 | ), |
| 26 | |
| 27 | TP_fast_assign( |
| 28 | __entry->dev = bh->b_bdev->bd_dev; |
| 29 | __entry->sector = bh->b_blocknr; |
| 30 | __entry->size = bh->b_size; |
| 31 | ), |
| 32 | |
| 33 | TP_printk("%d,%d sector=%llu size=%zu", |
| 34 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 35 | (unsigned long long)__entry->sector, __entry->size |
| 36 | ) |
| 37 | ); |
| 38 | |
| 39 | /** |
| 40 | * block_touch_buffer - mark a buffer accessed |
| 41 | * @bh: buffer_head being touched |
| 42 | * |
| 43 | * Called from touch_buffer(). |
| 44 | */ |
| 45 | DEFINE_EVENT(block_buffer, block_touch_buffer, |
| 46 | |
| 47 | TP_PROTO(struct buffer_head *bh), |
| 48 | |
| 49 | TP_ARGS(bh) |
| 50 | ); |
| 51 | |
| 52 | /** |
| 53 | * block_dirty_buffer - mark a buffer dirty |
| 54 | * @bh: buffer_head being dirtied |
| 55 | * |
| 56 | * Called from mark_buffer_dirty(). |
| 57 | */ |
| 58 | DEFINE_EVENT(block_buffer, block_dirty_buffer, |
| 59 | |
| 60 | TP_PROTO(struct buffer_head *bh), |
| 61 | |
| 62 | TP_ARGS(bh) |
| 63 | ); |
| 64 | |
Christoph Hellwig | cee4b7c | 2017-04-20 16:03:15 +0200 | [diff] [blame] | 65 | /** |
| 66 | * block_rq_requeue - place block IO request back on a queue |
| 67 | * @q: queue holding operation |
| 68 | * @rq: block IO operation request |
| 69 | * |
| 70 | * The block operation request @rq is being placed back into queue |
| 71 | * @q. For some reason the request was not completed and needs to be |
| 72 | * put back in the queue. |
| 73 | */ |
| 74 | TRACE_EVENT(block_rq_requeue, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 75 | |
| 76 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 77 | |
| 78 | TP_ARGS(q, rq), |
| 79 | |
| 80 | TP_STRUCT__entry( |
| 81 | __field( dev_t, dev ) |
| 82 | __field( sector_t, sector ) |
| 83 | __field( unsigned int, nr_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 84 | __array( char, rwbs, RWBS_LEN ) |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 85 | __dynamic_array( char, cmd, 1 ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 86 | ), |
| 87 | |
| 88 | TP_fast_assign( |
| 89 | __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 90 | __entry->sector = blk_rq_trace_sector(rq); |
| 91 | __entry->nr_sector = blk_rq_trace_nr_sectors(rq); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 92 | |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 93 | blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 94 | __get_str(cmd)[0] = '\0'; |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 95 | ), |
| 96 | |
| 97 | TP_printk("%d,%d %s (%s) %llu + %u [%d]", |
| 98 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 99 | __entry->rwbs, __get_str(cmd), |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 100 | (unsigned long long)__entry->sector, |
Christoph Hellwig | caf7df1 | 2017-04-20 16:03:16 +0200 | [diff] [blame] | 101 | __entry->nr_sector, 0) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 102 | ); |
| 103 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 104 | /** |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 105 | * block_rq_complete - block IO operation completed by device driver |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 106 | * @rq: block operations request |
Christoph Hellwig | caf7df1 | 2017-04-20 16:03:16 +0200 | [diff] [blame] | 107 | * @error: status code |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 108 | * @nr_bytes: number of completed bytes |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 109 | * |
| 110 | * The block_rq_complete tracepoint event indicates that some portion |
| 111 | * of operation request has been completed by the device driver. If |
| 112 | * the @rq->bio is %NULL, then there is absolutely no additional work to |
| 113 | * do for the request. If @rq->bio is non-NULL then there is |
| 114 | * additional work required to complete the request. |
| 115 | */ |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 116 | TRACE_EVENT(block_rq_complete, |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 117 | |
Christoph Hellwig | caf7df1 | 2017-04-20 16:03:16 +0200 | [diff] [blame] | 118 | TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 119 | |
Christoph Hellwig | caf7df1 | 2017-04-20 16:03:16 +0200 | [diff] [blame] | 120 | TP_ARGS(rq, error, nr_bytes), |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 121 | |
| 122 | TP_STRUCT__entry( |
| 123 | __field( dev_t, dev ) |
| 124 | __field( sector_t, sector ) |
| 125 | __field( unsigned int, nr_sector ) |
Christoph Hellwig | caf7df1 | 2017-04-20 16:03:16 +0200 | [diff] [blame] | 126 | __field( int, error ) |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 127 | __array( char, rwbs, RWBS_LEN ) |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 128 | __dynamic_array( char, cmd, 1 ) |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 129 | ), |
| 130 | |
| 131 | TP_fast_assign( |
| 132 | __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; |
| 133 | __entry->sector = blk_rq_pos(rq); |
| 134 | __entry->nr_sector = nr_bytes >> 9; |
Christoph Hellwig | caf7df1 | 2017-04-20 16:03:16 +0200 | [diff] [blame] | 135 | __entry->error = error; |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 136 | |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 137 | blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes); |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 138 | __get_str(cmd)[0] = '\0'; |
Roman Pen | af5040d | 2014-03-04 23:13:10 +0900 | [diff] [blame] | 139 | ), |
| 140 | |
| 141 | TP_printk("%d,%d %s (%s) %llu + %u [%d]", |
| 142 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 143 | __entry->rwbs, __get_str(cmd), |
| 144 | (unsigned long long)__entry->sector, |
Christoph Hellwig | caf7df1 | 2017-04-20 16:03:16 +0200 | [diff] [blame] | 145 | __entry->nr_sector, __entry->error) |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 146 | ); |
| 147 | |
| 148 | DECLARE_EVENT_CLASS(block_rq, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 149 | |
| 150 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 151 | |
| 152 | TP_ARGS(q, rq), |
| 153 | |
| 154 | TP_STRUCT__entry( |
| 155 | __field( dev_t, dev ) |
| 156 | __field( sector_t, sector ) |
| 157 | __field( unsigned int, nr_sector ) |
| 158 | __field( unsigned int, bytes ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 159 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 160 | __array( char, comm, TASK_COMM_LEN ) |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 161 | __dynamic_array( char, cmd, 1 ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 162 | ), |
| 163 | |
| 164 | TP_fast_assign( |
| 165 | __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 166 | __entry->sector = blk_rq_trace_sector(rq); |
| 167 | __entry->nr_sector = blk_rq_trace_nr_sectors(rq); |
| 168 | __entry->bytes = blk_rq_bytes(rq); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 169 | |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 170 | blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); |
Christoph Hellwig | 48b77ad | 2017-01-27 09:35:54 +0100 | [diff] [blame] | 171 | __get_str(cmd)[0] = '\0'; |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 172 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 173 | ), |
| 174 | |
| 175 | TP_printk("%d,%d %s %u (%s) %llu + %u [%s]", |
| 176 | MAJOR(__entry->dev), MINOR(__entry->dev), |
| 177 | __entry->rwbs, __entry->bytes, __get_str(cmd), |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 178 | (unsigned long long)__entry->sector, |
| 179 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 180 | ); |
| 181 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 182 | /** |
| 183 | * block_rq_insert - insert block operation request into queue |
| 184 | * @q: target queue |
| 185 | * @rq: block IO operation request |
| 186 | * |
| 187 | * Called immediately before block operation request @rq is inserted |
| 188 | * into queue @q. The fields in the operation request @rq struct can |
| 189 | * be examined to determine which device and sectors the pending |
| 190 | * operation would access. |
| 191 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 192 | DEFINE_EVENT(block_rq, block_rq_insert, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 193 | |
| 194 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 195 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 196 | TP_ARGS(q, rq) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 197 | ); |
| 198 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 199 | /** |
| 200 | * block_rq_issue - issue pending block IO request operation to device driver |
| 201 | * @q: queue holding operation |
| 202 | * @rq: block IO operation operation request |
| 203 | * |
| 204 | * Called when block operation request @rq from queue @q is sent to a |
| 205 | * device driver for processing. |
| 206 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 207 | DEFINE_EVENT(block_rq, block_rq_issue, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 208 | |
| 209 | TP_PROTO(struct request_queue *q, struct request *rq), |
| 210 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 211 | TP_ARGS(q, rq) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 212 | ); |
Carsten Emde | fe63b94 | 2009-09-12 00:05:37 +0200 | [diff] [blame] | 213 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 214 | /** |
| 215 | * block_bio_bounce - used bounce buffer when processing block operation |
| 216 | * @q: queue holding the block operation |
| 217 | * @bio: block operation |
| 218 | * |
| 219 | * A bounce buffer was used to handle the block operation @bio in @q. |
| 220 | * This occurs when hardware limitations prevent a direct transfer of |
| 221 | * data between the @bio data memory area and the IO device. Use of a |
| 222 | * bounce buffer requires extra copying of data and decreases |
| 223 | * performance. |
| 224 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 225 | TRACE_EVENT(block_bio_bounce, |
| 226 | |
| 227 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 228 | |
| 229 | TP_ARGS(q, bio), |
| 230 | |
| 231 | TP_STRUCT__entry( |
| 232 | __field( dev_t, dev ) |
| 233 | __field( sector_t, sector ) |
| 234 | __field( unsigned int, nr_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 235 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 236 | __array( char, comm, TASK_COMM_LEN ) |
| 237 | ), |
| 238 | |
| 239 | TP_fast_assign( |
Christoph Hellwig | 74d4699 | 2017-08-23 19:10:32 +0200 | [diff] [blame] | 240 | __entry->dev = bio_dev(bio); |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 241 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 242 | __entry->nr_sector = bio_sectors(bio); |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 243 | blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 244 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 245 | ), |
| 246 | |
| 247 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 248 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 249 | (unsigned long long)__entry->sector, |
| 250 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 251 | ); |
| 252 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 253 | /** |
| 254 | * block_bio_complete - completed all work on the block operation |
Linus Torvalds | 0a82a8d | 2013-04-18 09:00:26 -0700 | [diff] [blame] | 255 | * @q: queue holding the block operation |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 256 | * @bio: block operation completed |
Jeff Moyer | b7908c1 | 2011-01-06 20:41:42 +0100 | [diff] [blame] | 257 | * @error: io error value |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 258 | * |
| 259 | * This tracepoint indicates there is no further work to do on this |
| 260 | * block IO operation @bio. |
| 261 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 262 | TRACE_EVENT(block_bio_complete, |
| 263 | |
Linus Torvalds | 0a82a8d | 2013-04-18 09:00:26 -0700 | [diff] [blame] | 264 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 265 | |
Linus Torvalds | 0a82a8d | 2013-04-18 09:00:26 -0700 | [diff] [blame] | 266 | TP_ARGS(q, bio, error), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 267 | |
| 268 | TP_STRUCT__entry( |
| 269 | __field( dev_t, dev ) |
| 270 | __field( sector_t, sector ) |
| 271 | __field( unsigned, nr_sector ) |
| 272 | __field( int, error ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 273 | __array( char, rwbs, RWBS_LEN) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 274 | ), |
| 275 | |
| 276 | TP_fast_assign( |
Christoph Hellwig | 74d4699 | 2017-08-23 19:10:32 +0200 | [diff] [blame] | 277 | __entry->dev = bio_dev(bio); |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 278 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 279 | __entry->nr_sector = bio_sectors(bio); |
Jeff Moyer | b7908c1 | 2011-01-06 20:41:42 +0100 | [diff] [blame] | 280 | __entry->error = error; |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 281 | blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 282 | ), |
| 283 | |
| 284 | TP_printk("%d,%d %s %llu + %u [%d]", |
| 285 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 286 | (unsigned long long)__entry->sector, |
| 287 | __entry->nr_sector, __entry->error) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 288 | ); |
| 289 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 290 | DECLARE_EVENT_CLASS(block_bio_merge, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 291 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 292 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 293 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 294 | TP_ARGS(q, rq, bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 295 | |
| 296 | TP_STRUCT__entry( |
| 297 | __field( dev_t, dev ) |
| 298 | __field( sector_t, sector ) |
| 299 | __field( unsigned int, nr_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 300 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 301 | __array( char, comm, TASK_COMM_LEN ) |
| 302 | ), |
| 303 | |
| 304 | TP_fast_assign( |
Christoph Hellwig | 74d4699 | 2017-08-23 19:10:32 +0200 | [diff] [blame] | 305 | __entry->dev = bio_dev(bio); |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 306 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 307 | __entry->nr_sector = bio_sectors(bio); |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 308 | blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 309 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 310 | ), |
| 311 | |
| 312 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 313 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 314 | (unsigned long long)__entry->sector, |
| 315 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 316 | ); |
| 317 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 318 | /** |
| 319 | * block_bio_backmerge - merging block operation to the end of an existing operation |
| 320 | * @q: queue holding operation |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 321 | * @rq: request bio is being merged into |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 322 | * @bio: new block operation to merge |
| 323 | * |
| 324 | * Merging block request @bio to the end of an existing block request |
| 325 | * in queue @q. |
| 326 | */ |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 327 | DEFINE_EVENT(block_bio_merge, block_bio_backmerge, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 328 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 329 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 330 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 331 | TP_ARGS(q, rq, bio) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 332 | ); |
| 333 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 334 | /** |
| 335 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation |
| 336 | * @q: queue holding operation |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 337 | * @rq: request bio is being merged into |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 338 | * @bio: new block operation to merge |
| 339 | * |
| 340 | * Merging block IO operation @bio to the beginning of an existing block |
| 341 | * operation in queue @q. |
| 342 | */ |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 343 | DEFINE_EVENT(block_bio_merge, block_bio_frontmerge, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 344 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 345 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 346 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 347 | TP_ARGS(q, rq, bio) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 348 | ); |
| 349 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 350 | /** |
| 351 | * block_bio_queue - putting new block IO operation in queue |
| 352 | * @q: queue holding operation |
| 353 | * @bio: new block operation |
| 354 | * |
| 355 | * About to place the block IO operation @bio into queue @q. |
| 356 | */ |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 357 | TRACE_EVENT(block_bio_queue, |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 358 | |
| 359 | TP_PROTO(struct request_queue *q, struct bio *bio), |
| 360 | |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 361 | TP_ARGS(q, bio), |
| 362 | |
| 363 | TP_STRUCT__entry( |
| 364 | __field( dev_t, dev ) |
| 365 | __field( sector_t, sector ) |
| 366 | __field( unsigned int, nr_sector ) |
| 367 | __array( char, rwbs, RWBS_LEN ) |
| 368 | __array( char, comm, TASK_COMM_LEN ) |
| 369 | ), |
| 370 | |
| 371 | TP_fast_assign( |
Christoph Hellwig | 74d4699 | 2017-08-23 19:10:32 +0200 | [diff] [blame] | 372 | __entry->dev = bio_dev(bio); |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 373 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 374 | __entry->nr_sector = bio_sectors(bio); |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 375 | blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size); |
Tejun Heo | 8c1cf6b | 2013-01-11 13:06:34 -0800 | [diff] [blame] | 376 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 377 | ), |
| 378 | |
| 379 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 380 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
| 381 | (unsigned long long)__entry->sector, |
| 382 | __entry->nr_sector, __entry->comm) |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 383 | ); |
| 384 | |
| 385 | DECLARE_EVENT_CLASS(block_get_rq, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 386 | |
| 387 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
| 388 | |
| 389 | TP_ARGS(q, bio, rw), |
| 390 | |
| 391 | TP_STRUCT__entry( |
| 392 | __field( dev_t, dev ) |
| 393 | __field( sector_t, sector ) |
| 394 | __field( unsigned int, nr_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 395 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 396 | __array( char, comm, TASK_COMM_LEN ) |
| 397 | ), |
| 398 | |
| 399 | TP_fast_assign( |
Christoph Hellwig | 74d4699 | 2017-08-23 19:10:32 +0200 | [diff] [blame] | 400 | __entry->dev = bio ? bio_dev(bio) : 0; |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 401 | __entry->sector = bio ? bio->bi_iter.bi_sector : 0; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 402 | __entry->nr_sector = bio ? bio_sectors(bio) : 0; |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 403 | blk_fill_rwbs(__entry->rwbs, |
Jens Axboe | 1eff9d3 | 2016-08-05 15:35:16 -0600 | [diff] [blame] | 404 | bio ? bio->bi_opf : 0, __entry->nr_sector); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 405 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 406 | ), |
| 407 | |
| 408 | TP_printk("%d,%d %s %llu + %u [%s]", |
| 409 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 410 | (unsigned long long)__entry->sector, |
| 411 | __entry->nr_sector, __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 412 | ); |
| 413 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 414 | /** |
| 415 | * block_getrq - get a free request entry in queue for block IO operations |
| 416 | * @q: queue for operations |
Greg Thelen | f8e9ec1 | 2017-09-07 17:36:36 -0700 | [diff] [blame] | 417 | * @bio: pending block IO operation (can be %NULL) |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 418 | * @rw: low bit indicates a read (%0) or a write (%1) |
| 419 | * |
| 420 | * A request struct for queue @q has been allocated to handle the |
| 421 | * block IO operation @bio. |
| 422 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 423 | DEFINE_EVENT(block_get_rq, block_getrq, |
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 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 427 | TP_ARGS(q, bio, rw) |
| 428 | ); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 429 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 430 | /** |
| 431 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation |
| 432 | * @q: queue for operation |
Greg Thelen | f8e9ec1 | 2017-09-07 17:36:36 -0700 | [diff] [blame] | 433 | * @bio: pending block IO operation (can be %NULL) |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 434 | * @rw: low bit indicates a read (%0) or a write (%1) |
| 435 | * |
| 436 | * In the case where a request struct cannot be provided for queue @q |
| 437 | * the process needs to wait for an request struct to become |
| 438 | * available. This tracepoint event is generated each time the |
| 439 | * process goes to sleep waiting for request struct become available. |
| 440 | */ |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 441 | DEFINE_EVENT(block_get_rq, block_sleeprq, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 442 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 443 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 444 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 445 | TP_ARGS(q, bio, rw) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 446 | ); |
| 447 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 448 | /** |
| 449 | * block_plug - keep operations requests in request queue |
| 450 | * @q: request queue to plug |
| 451 | * |
| 452 | * Plug the request queue @q. Do not allow block operation requests |
| 453 | * to be sent to the device driver. Instead, accumulate requests in |
| 454 | * the queue to improve throughput performance of the block device. |
| 455 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 456 | TRACE_EVENT(block_plug, |
| 457 | |
| 458 | TP_PROTO(struct request_queue *q), |
| 459 | |
| 460 | TP_ARGS(q), |
| 461 | |
| 462 | TP_STRUCT__entry( |
| 463 | __array( char, comm, TASK_COMM_LEN ) |
| 464 | ), |
| 465 | |
| 466 | TP_fast_assign( |
| 467 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 468 | ), |
| 469 | |
| 470 | TP_printk("[%s]", __entry->comm) |
| 471 | ); |
| 472 | |
Li Zefan | 77ca1e0 | 2009-11-26 15:06:14 +0800 | [diff] [blame] | 473 | DECLARE_EVENT_CLASS(block_unplug, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 474 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 475 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 476 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 477 | TP_ARGS(q, depth, explicit), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 478 | |
| 479 | TP_STRUCT__entry( |
| 480 | __field( int, nr_rq ) |
| 481 | __array( char, comm, TASK_COMM_LEN ) |
| 482 | ), |
| 483 | |
| 484 | TP_fast_assign( |
Jens Axboe | 94b5eb2 | 2011-04-12 10:12:19 +0200 | [diff] [blame] | 485 | __entry->nr_rq = depth; |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 486 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 487 | ), |
| 488 | |
| 489 | TP_printk("[%s] %d", __entry->comm, __entry->nr_rq) |
| 490 | ); |
| 491 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 492 | /** |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 493 | * block_unplug - release of operations requests in request queue |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 494 | * @q: request queue to unplug |
Jens Axboe | 94b5eb2 | 2011-04-12 10:12:19 +0200 | [diff] [blame] | 495 | * @depth: number of requests just added to the queue |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 496 | * @explicit: whether this was an explicit unplug, or one from schedule() |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 497 | * |
| 498 | * Unplug request queue @q because device driver is scheduled to work |
| 499 | * on elements in the request queue. |
| 500 | */ |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 501 | DEFINE_EVENT(block_unplug, block_unplug, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 502 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 503 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 504 | |
Jens Axboe | 49cac01 | 2011-04-16 13:51:05 +0200 | [diff] [blame] | 505 | TP_ARGS(q, depth, explicit) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 506 | ); |
| 507 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 508 | /** |
| 509 | * block_split - split a single bio struct into two bio structs |
| 510 | * @q: queue containing the bio |
| 511 | * @bio: block operation being split |
| 512 | * @new_sector: The starting sector for the new bio |
| 513 | * |
| 514 | * The bio request @bio in request queue @q needs to be split into two |
| 515 | * bio requests. The newly created @bio request starts at |
| 516 | * @new_sector. This split may be required due to hardware limitation |
| 517 | * such as operation crossing device boundaries in a RAID system. |
| 518 | */ |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 519 | TRACE_EVENT(block_split, |
| 520 | |
| 521 | TP_PROTO(struct request_queue *q, struct bio *bio, |
| 522 | unsigned int new_sector), |
| 523 | |
| 524 | TP_ARGS(q, bio, new_sector), |
| 525 | |
| 526 | TP_STRUCT__entry( |
| 527 | __field( dev_t, dev ) |
| 528 | __field( sector_t, sector ) |
| 529 | __field( sector_t, new_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 530 | __array( char, rwbs, RWBS_LEN ) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 531 | __array( char, comm, TASK_COMM_LEN ) |
| 532 | ), |
| 533 | |
| 534 | TP_fast_assign( |
Christoph Hellwig | 74d4699 | 2017-08-23 19:10:32 +0200 | [diff] [blame] | 535 | __entry->dev = bio_dev(bio); |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 536 | __entry->sector = bio->bi_iter.bi_sector; |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 537 | __entry->new_sector = new_sector; |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 538 | blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 539 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); |
| 540 | ), |
| 541 | |
| 542 | TP_printk("%d,%d %s %llu / %llu [%s]", |
| 543 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 544 | (unsigned long long)__entry->sector, |
| 545 | (unsigned long long)__entry->new_sector, |
| 546 | __entry->comm) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 547 | ); |
| 548 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 549 | /** |
Mike Snitzer | d07335e | 2010-11-16 12:52:38 +0100 | [diff] [blame] | 550 | * 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] | 551 | * @q: queue holding the operation |
| 552 | * @bio: revised operation |
| 553 | * @dev: device for the operation |
| 554 | * @from: original sector for the operation |
| 555 | * |
Mike Snitzer | d07335e | 2010-11-16 12:52:38 +0100 | [diff] [blame] | 556 | * An operation for a logical device has been mapped to the |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 557 | * raw block device. |
| 558 | */ |
Mike Snitzer | d07335e | 2010-11-16 12:52:38 +0100 | [diff] [blame] | 559 | TRACE_EVENT(block_bio_remap, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 560 | |
| 561 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, |
| 562 | sector_t from), |
| 563 | |
| 564 | TP_ARGS(q, bio, dev, from), |
| 565 | |
| 566 | TP_STRUCT__entry( |
| 567 | __field( dev_t, dev ) |
| 568 | __field( sector_t, sector ) |
| 569 | __field( unsigned int, nr_sector ) |
| 570 | __field( dev_t, old_dev ) |
| 571 | __field( sector_t, old_sector ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 572 | __array( char, rwbs, RWBS_LEN) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 573 | ), |
| 574 | |
| 575 | TP_fast_assign( |
Christoph Hellwig | 74d4699 | 2017-08-23 19:10:32 +0200 | [diff] [blame] | 576 | __entry->dev = bio_dev(bio); |
Kent Overstreet | 4f024f3 | 2013-10-11 15:44:27 -0700 | [diff] [blame] | 577 | __entry->sector = bio->bi_iter.bi_sector; |
Kent Overstreet | aa8b57a | 2013-02-05 15:19:29 -0800 | [diff] [blame] | 578 | __entry->nr_sector = bio_sectors(bio); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 579 | __entry->old_dev = dev; |
| 580 | __entry->old_sector = from; |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 581 | blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size); |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 582 | ), |
| 583 | |
| 584 | TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", |
| 585 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 586 | (unsigned long long)__entry->sector, |
| 587 | __entry->nr_sector, |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 588 | MAJOR(__entry->old_dev), MINOR(__entry->old_dev), |
Steven Rostedt | 6556d1d | 2009-06-09 14:04:26 -0400 | [diff] [blame] | 589 | (unsigned long long)__entry->old_sector) |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 590 | ); |
| 591 | |
William Cohen | 881245d | 2010-03-09 09:26:04 +0100 | [diff] [blame] | 592 | /** |
| 593 | * block_rq_remap - map request for a block operation request |
| 594 | * @q: queue holding the operation |
| 595 | * @rq: block IO operation request |
| 596 | * @dev: device for the operation |
| 597 | * @from: original sector for the operation |
| 598 | * |
| 599 | * The block operation request @rq in @q has been remapped. The block |
| 600 | * operation request @rq holds the current information and @from hold |
| 601 | * the original sector. |
| 602 | */ |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 603 | TRACE_EVENT(block_rq_remap, |
| 604 | |
| 605 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, |
| 606 | sector_t from), |
| 607 | |
| 608 | TP_ARGS(q, rq, dev, from), |
| 609 | |
| 610 | TP_STRUCT__entry( |
| 611 | __field( dev_t, dev ) |
| 612 | __field( sector_t, sector ) |
| 613 | __field( unsigned int, nr_sector ) |
| 614 | __field( dev_t, old_dev ) |
| 615 | __field( sector_t, old_sector ) |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 616 | __field( unsigned int, nr_bios ) |
Namhyung Kim | c09c47c | 2011-08-11 10:36:05 +0200 | [diff] [blame] | 617 | __array( char, rwbs, RWBS_LEN) |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 618 | ), |
| 619 | |
| 620 | TP_fast_assign( |
| 621 | __entry->dev = disk_devt(rq->rq_disk); |
| 622 | __entry->sector = blk_rq_pos(rq); |
| 623 | __entry->nr_sector = blk_rq_sectors(rq); |
| 624 | __entry->old_dev = dev; |
| 625 | __entry->old_sector = from; |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 626 | __entry->nr_bios = blk_rq_count_bios(rq); |
Christoph Hellwig | ef295ec | 2016-10-28 08:48:16 -0600 | [diff] [blame] | 627 | blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 628 | ), |
| 629 | |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 630 | TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u", |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 631 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, |
| 632 | (unsigned long long)__entry->sector, |
| 633 | __entry->nr_sector, |
| 634 | MAJOR(__entry->old_dev), MINOR(__entry->old_dev), |
Jun'ichi Nomura | 75afb35 | 2013-09-21 13:57:47 -0600 | [diff] [blame] | 635 | (unsigned long long)__entry->old_sector, __entry->nr_bios) |
Jun'ichi Nomura | b0da3f0 | 2009-10-01 21:16:13 +0200 | [diff] [blame] | 636 | ); |
| 637 | |
Li Zefan | 5578213 | 2009-06-09 13:43:05 +0800 | [diff] [blame] | 638 | #endif /* _TRACE_BLOCK_H */ |
| 639 | |
| 640 | /* This part must be outside protection */ |
| 641 | #include <trace/define_trace.h> |
| 642 | |