1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM jbd2 4 5 #if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_JBD2_H 7 8 #include <linux/jbd2.h> 9 #include <linux/tracepoint.h> 10 11 struct transaction_chp_stats_s; 12 struct transaction_run_stats_s; 13 14 TRACE_EVENT(jbd2_checkpoint, 15 16 TP_PROTO(journal_t *journal, int result), 17 18 TP_ARGS(journal, result), 19 20 TP_STRUCT__entry( 21 __field( dev_t, dev ) 22 __field( int, result ) 23 ), 24 25 TP_fast_assign( 26 __entry->dev = journal->j_fs_dev->bd_dev; 27 __entry->result = result; 28 ), 29 30 TP_printk("dev %d,%d result %d", 31 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->result) 32 ); 33 34 DECLARE_EVENT_CLASS(jbd2_commit, 35 36 TP_PROTO(journal_t *journal, transaction_t *commit_transaction), 37 38 TP_ARGS(journal, commit_transaction), 39 40 TP_STRUCT__entry( 41 __field( dev_t, dev ) 42 __field( char, sync_commit ) 43 __field( tid_t, transaction ) 44 ), 45 46 TP_fast_assign( 47 __entry->dev = journal->j_fs_dev->bd_dev; 48 __entry->sync_commit = commit_transaction->t_synchronous_commit; 49 __entry->transaction = commit_transaction->t_tid; 50 ), 51 52 TP_printk("dev %d,%d transaction %u sync %d", 53 MAJOR(__entry->dev), MINOR(__entry->dev), 54 __entry->transaction, __entry->sync_commit) 55 ); 56 57 DEFINE_EVENT(jbd2_commit, jbd2_start_commit, 58 59 TP_PROTO(journal_t *journal, transaction_t *commit_transaction), 60 61 TP_ARGS(journal, commit_transaction) 62 ); 63 64 DEFINE_EVENT(jbd2_commit, jbd2_commit_locking, 65 66 TP_PROTO(journal_t *journal, transaction_t *commit_transaction), 67 68 TP_ARGS(journal, commit_transaction) 69 ); 70 71 DEFINE_EVENT(jbd2_commit, jbd2_commit_flushing, 72 73 TP_PROTO(journal_t *journal, transaction_t *commit_transaction), 74 75 TP_ARGS(journal, commit_transaction) 76 ); 77 78 DEFINE_EVENT(jbd2_commit, jbd2_commit_logging, 79 80 TP_PROTO(journal_t *journal, transaction_t *commit_transaction), 81 82 TP_ARGS(journal, commit_transaction) 83 ); 84 85 DEFINE_EVENT(jbd2_commit, jbd2_drop_transaction, 86 87 TP_PROTO(journal_t *journal, transaction_t *commit_transaction), 88 89 TP_ARGS(journal, commit_transaction) 90 ); 91 92 TRACE_EVENT(jbd2_end_commit, 93 TP_PROTO(journal_t *journal, transaction_t *commit_transaction), 94 95 TP_ARGS(journal, commit_transaction), 96 97 TP_STRUCT__entry( 98 __field( dev_t, dev ) 99 __field( char, sync_commit ) 100 __field( tid_t, transaction ) 101 __field( tid_t, head ) 102 ), 103 104 TP_fast_assign( 105 __entry->dev = journal->j_fs_dev->bd_dev; 106 __entry->sync_commit = commit_transaction->t_synchronous_commit; 107 __entry->transaction = commit_transaction->t_tid; 108 __entry->head = journal->j_tail_sequence; 109 ), 110 111 TP_printk("dev %d,%d transaction %u sync %d head %u", 112 MAJOR(__entry->dev), MINOR(__entry->dev), 113 __entry->transaction, __entry->sync_commit, __entry->head) 114 ); 115 116 TRACE_EVENT(jbd2_submit_inode_data, 117 TP_PROTO(struct inode *inode), 118 119 TP_ARGS(inode), 120 121 TP_STRUCT__entry( 122 __field( dev_t, dev ) 123 __field( ino_t, ino ) 124 ), 125 126 TP_fast_assign( 127 __entry->dev = inode->i_sb->s_dev; 128 __entry->ino = inode->i_ino; 129 ), 130 131 TP_printk("dev %d,%d ino %lu", 132 MAJOR(__entry->dev), MINOR(__entry->dev), 133 (unsigned long) __entry->ino) 134 ); 135 136 DECLARE_EVENT_CLASS(jbd2_handle_start_class, 137 TP_PROTO(dev_t dev, tid_t tid, unsigned int type, 138 unsigned int line_no, int requested_blocks), 139 140 TP_ARGS(dev, tid, type, line_no, requested_blocks), 141 142 TP_STRUCT__entry( 143 __field( dev_t, dev ) 144 __field( tid_t, tid ) 145 __field( unsigned int, type ) 146 __field( unsigned int, line_no ) 147 __field( int, requested_blocks) 148 ), 149 150 TP_fast_assign( 151 __entry->dev = dev; 152 __entry->tid = tid; 153 __entry->type = type; 154 __entry->line_no = line_no; 155 __entry->requested_blocks = requested_blocks; 156 ), 157 158 TP_printk("dev %d,%d tid %u type %u line_no %u " 159 "requested_blocks %d", 160 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid, 161 __entry->type, __entry->line_no, __entry->requested_blocks) 162 ); 163 164 DEFINE_EVENT(jbd2_handle_start_class, jbd2_handle_start, 165 TP_PROTO(dev_t dev, tid_t tid, unsigned int type, 166 unsigned int line_no, int requested_blocks), 167 168 TP_ARGS(dev, tid, type, line_no, requested_blocks) 169 ); 170 171 DEFINE_EVENT(jbd2_handle_start_class, jbd2_handle_restart, 172 TP_PROTO(dev_t dev, tid_t tid, unsigned int type, 173 unsigned int line_no, int requested_blocks), 174 175 TP_ARGS(dev, tid, type, line_no, requested_blocks) 176 ); 177 178 TRACE_EVENT(jbd2_handle_extend, 179 TP_PROTO(dev_t dev, tid_t tid, unsigned int type, 180 unsigned int line_no, int buffer_credits, 181 int requested_blocks), 182 183 TP_ARGS(dev, tid, type, line_no, buffer_credits, requested_blocks), 184 185 TP_STRUCT__entry( 186 __field( dev_t, dev ) 187 __field( tid_t, tid ) 188 __field( unsigned int, type ) 189 __field( unsigned int, line_no ) 190 __field( int, buffer_credits ) 191 __field( int, requested_blocks) 192 ), 193 194 TP_fast_assign( 195 __entry->dev = dev; 196 __entry->tid = tid; 197 __entry->type = type; 198 __entry->line_no = line_no; 199 __entry->buffer_credits = buffer_credits; 200 __entry->requested_blocks = requested_blocks; 201 ), 202 203 TP_printk("dev %d,%d tid %u type %u line_no %u " 204 "buffer_credits %d requested_blocks %d", 205 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid, 206 __entry->type, __entry->line_no, __entry->buffer_credits, 207 __entry->requested_blocks) 208 ); 209 210 TRACE_EVENT(jbd2_handle_stats, 211 TP_PROTO(dev_t dev, tid_t tid, unsigned int type, 212 unsigned int line_no, int interval, int sync, 213 int requested_blocks, int dirtied_blocks), 214 215 TP_ARGS(dev, tid, type, line_no, interval, sync, 216 requested_blocks, dirtied_blocks), 217 218 TP_STRUCT__entry( 219 __field( dev_t, dev ) 220 __field( tid_t, tid ) 221 __field( unsigned int, type ) 222 __field( unsigned int, line_no ) 223 __field( int, interval ) 224 __field( int, sync ) 225 __field( int, requested_blocks) 226 __field( int, dirtied_blocks ) 227 ), 228 229 TP_fast_assign( 230 __entry->dev = dev; 231 __entry->tid = tid; 232 __entry->type = type; 233 __entry->line_no = line_no; 234 __entry->interval = interval; 235 __entry->sync = sync; 236 __entry->requested_blocks = requested_blocks; 237 __entry->dirtied_blocks = dirtied_blocks; 238 ), 239 240 TP_printk("dev %d,%d tid %u type %u line_no %u interval %d " 241 "sync %d requested_blocks %d dirtied_blocks %d", 242 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid, 243 __entry->type, __entry->line_no, __entry->interval, 244 __entry->sync, __entry->requested_blocks, 245 __entry->dirtied_blocks) 246 ); 247 248 TRACE_EVENT(jbd2_run_stats, 249 TP_PROTO(dev_t dev, tid_t tid, 250 struct transaction_run_stats_s *stats), 251 252 TP_ARGS(dev, tid, stats), 253 254 TP_STRUCT__entry( 255 __field( dev_t, dev ) 256 __field( tid_t, tid ) 257 __field( unsigned long, wait ) 258 __field( unsigned long, request_delay ) 259 __field( unsigned long, running ) 260 __field( unsigned long, locked ) 261 __field( unsigned long, flushing ) 262 __field( unsigned long, logging ) 263 __field( __u32, handle_count ) 264 __field( __u32, blocks ) 265 __field( __u32, blocks_logged ) 266 ), 267 268 TP_fast_assign( 269 __entry->dev = dev; 270 __entry->tid = tid; 271 __entry->wait = stats->rs_wait; 272 __entry->request_delay = stats->rs_request_delay; 273 __entry->running = stats->rs_running; 274 __entry->locked = stats->rs_locked; 275 __entry->flushing = stats->rs_flushing; 276 __entry->logging = stats->rs_logging; 277 __entry->handle_count = stats->rs_handle_count; 278 __entry->blocks = stats->rs_blocks; 279 __entry->blocks_logged = stats->rs_blocks_logged; 280 ), 281 282 TP_printk("dev %d,%d tid %u wait %u request_delay %u running %u " 283 "locked %u flushing %u logging %u handle_count %u " 284 "blocks %u blocks_logged %u", 285 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid, 286 jiffies_to_msecs(__entry->wait), 287 jiffies_to_msecs(__entry->request_delay), 288 jiffies_to_msecs(__entry->running), 289 jiffies_to_msecs(__entry->locked), 290 jiffies_to_msecs(__entry->flushing), 291 jiffies_to_msecs(__entry->logging), 292 __entry->handle_count, __entry->blocks, 293 __entry->blocks_logged) 294 ); 295 296 TRACE_EVENT(jbd2_checkpoint_stats, 297 TP_PROTO(dev_t dev, tid_t tid, 298 struct transaction_chp_stats_s *stats), 299 300 TP_ARGS(dev, tid, stats), 301 302 TP_STRUCT__entry( 303 __field( dev_t, dev ) 304 __field( tid_t, tid ) 305 __field( unsigned long, chp_time ) 306 __field( __u32, forced_to_close ) 307 __field( __u32, written ) 308 __field( __u32, dropped ) 309 ), 310 311 TP_fast_assign( 312 __entry->dev = dev; 313 __entry->tid = tid; 314 __entry->chp_time = stats->cs_chp_time; 315 __entry->forced_to_close= stats->cs_forced_to_close; 316 __entry->written = stats->cs_written; 317 __entry->dropped = stats->cs_dropped; 318 ), 319 320 TP_printk("dev %d,%d tid %u chp_time %u forced_to_close %u " 321 "written %u dropped %u", 322 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid, 323 jiffies_to_msecs(__entry->chp_time), 324 __entry->forced_to_close, __entry->written, __entry->dropped) 325 ); 326 327 TRACE_EVENT(jbd2_update_log_tail, 328 329 TP_PROTO(journal_t *journal, tid_t first_tid, 330 unsigned long block_nr, unsigned long freed), 331 332 TP_ARGS(journal, first_tid, block_nr, freed), 333 334 TP_STRUCT__entry( 335 __field( dev_t, dev ) 336 __field( tid_t, tail_sequence ) 337 __field( tid_t, first_tid ) 338 __field(unsigned long, block_nr ) 339 __field(unsigned long, freed ) 340 ), 341 342 TP_fast_assign( 343 __entry->dev = journal->j_fs_dev->bd_dev; 344 __entry->tail_sequence = journal->j_tail_sequence; 345 __entry->first_tid = first_tid; 346 __entry->block_nr = block_nr; 347 __entry->freed = freed; 348 ), 349 350 TP_printk("dev %d,%d from %u to %u offset %lu freed %lu", 351 MAJOR(__entry->dev), MINOR(__entry->dev), 352 __entry->tail_sequence, __entry->first_tid, 353 __entry->block_nr, __entry->freed) 354 ); 355 356 TRACE_EVENT(jbd2_write_superblock, 357 358 TP_PROTO(journal_t *journal, blk_opf_t write_flags), 359 360 TP_ARGS(journal, write_flags), 361 362 TP_STRUCT__entry( 363 __field( dev_t, dev ) 364 __field( blk_opf_t, write_flags ) 365 ), 366 367 TP_fast_assign( 368 __entry->dev = journal->j_fs_dev->bd_dev; 369 __entry->write_flags = write_flags; 370 ), 371 372 TP_printk("dev %d,%d write_flags %x", MAJOR(__entry->dev), 373 MINOR(__entry->dev), (__force u32)__entry->write_flags) 374 ); 375 376 TRACE_EVENT(jbd2_lock_buffer_stall, 377 378 TP_PROTO(dev_t dev, unsigned long stall_ms), 379 380 TP_ARGS(dev, stall_ms), 381 382 TP_STRUCT__entry( 383 __field( dev_t, dev ) 384 __field(unsigned long, stall_ms ) 385 ), 386 387 TP_fast_assign( 388 __entry->dev = dev; 389 __entry->stall_ms = stall_ms; 390 ), 391 392 TP_printk("dev %d,%d stall_ms %lu", 393 MAJOR(__entry->dev), MINOR(__entry->dev), 394 __entry->stall_ms) 395 ); 396 397 DECLARE_EVENT_CLASS(jbd2_journal_shrink, 398 399 TP_PROTO(journal_t *journal, unsigned long nr_to_scan, 400 unsigned long count), 401 402 TP_ARGS(journal, nr_to_scan, count), 403 404 TP_STRUCT__entry( 405 __field(dev_t, dev) 406 __field(unsigned long, nr_to_scan) 407 __field(unsigned long, count) 408 ), 409 410 TP_fast_assign( 411 __entry->dev = journal->j_fs_dev->bd_dev; 412 __entry->nr_to_scan = nr_to_scan; 413 __entry->count = count; 414 ), 415 416 TP_printk("dev %d,%d nr_to_scan %lu count %lu", 417 MAJOR(__entry->dev), MINOR(__entry->dev), 418 __entry->nr_to_scan, __entry->count) 419 ); 420 421 DEFINE_EVENT(jbd2_journal_shrink, jbd2_shrink_count, 422 423 TP_PROTO(journal_t *journal, unsigned long nr_to_scan, unsigned long count), 424 425 TP_ARGS(journal, nr_to_scan, count) 426 ); 427 428 DEFINE_EVENT(jbd2_journal_shrink, jbd2_shrink_scan_enter, 429 430 TP_PROTO(journal_t *journal, unsigned long nr_to_scan, unsigned long count), 431 432 TP_ARGS(journal, nr_to_scan, count) 433 ); 434 435 TRACE_EVENT(jbd2_shrink_scan_exit, 436 437 TP_PROTO(journal_t *journal, unsigned long nr_to_scan, 438 unsigned long nr_shrunk, unsigned long count), 439 440 TP_ARGS(journal, nr_to_scan, nr_shrunk, count), 441 442 TP_STRUCT__entry( 443 __field(dev_t, dev) 444 __field(unsigned long, nr_to_scan) 445 __field(unsigned long, nr_shrunk) 446 __field(unsigned long, count) 447 ), 448 449 TP_fast_assign( 450 __entry->dev = journal->j_fs_dev->bd_dev; 451 __entry->nr_to_scan = nr_to_scan; 452 __entry->nr_shrunk = nr_shrunk; 453 __entry->count = count; 454 ), 455 456 TP_printk("dev %d,%d nr_to_scan %lu nr_shrunk %lu count %lu", 457 MAJOR(__entry->dev), MINOR(__entry->dev), 458 __entry->nr_to_scan, __entry->nr_shrunk, 459 __entry->count) 460 ); 461 462 TRACE_EVENT(jbd2_shrink_checkpoint_list, 463 464 TP_PROTO(journal_t *journal, tid_t first_tid, tid_t tid, tid_t last_tid, 465 unsigned long nr_freed, unsigned long nr_scanned, 466 tid_t next_tid), 467 468 TP_ARGS(journal, first_tid, tid, last_tid, nr_freed, 469 nr_scanned, next_tid), 470 471 TP_STRUCT__entry( 472 __field(dev_t, dev) 473 __field(tid_t, first_tid) 474 __field(tid_t, tid) 475 __field(tid_t, last_tid) 476 __field(unsigned long, nr_freed) 477 __field(unsigned long, nr_scanned) 478 __field(tid_t, next_tid) 479 ), 480 481 TP_fast_assign( 482 __entry->dev = journal->j_fs_dev->bd_dev; 483 __entry->first_tid = first_tid; 484 __entry->tid = tid; 485 __entry->last_tid = last_tid; 486 __entry->nr_freed = nr_freed; 487 __entry->nr_scanned = nr_scanned; 488 __entry->next_tid = next_tid; 489 ), 490 491 TP_printk("dev %d,%d shrink transaction %u-%u(%u) freed %lu " 492 "scanned %lu next transaction %u", 493 MAJOR(__entry->dev), MINOR(__entry->dev), 494 __entry->first_tid, __entry->tid, __entry->last_tid, 495 __entry->nr_freed, __entry->nr_scanned, __entry->next_tid) 496 ); 497 498 #endif /* _TRACE_JBD2_H */ 499 500 /* This part must be outside protection */ 501 #include <trace/define_trace.h> 502