1
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
11struct transaction_chp_stats_s;
12struct transaction_run_stats_s;
13
14TRACE_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
34DECLARE_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( int, 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 %d sync %d",
53 MAJOR(__entry->dev), MINOR(__entry->dev),
54 __entry->transaction, __entry->sync_commit)
55);
56
57DEFINE_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
64DEFINE_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
71DEFINE_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
78DEFINE_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
85DEFINE_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
92TRACE_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( int, transaction )
101 __field( int, 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 %d sync %d head %d",
112 MAJOR(__entry->dev), MINOR(__entry->dev),
113 __entry->transaction, __entry->sync_commit, __entry->head)
114);
115
116TRACE_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
136DECLARE_EVENT_CLASS(jbd2_handle_start_class,
137 TP_PROTO(dev_t dev, unsigned long 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( unsigned long, 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 %lu 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
164DEFINE_EVENT(jbd2_handle_start_class, jbd2_handle_start,
165 TP_PROTO(dev_t dev, unsigned long 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
171DEFINE_EVENT(jbd2_handle_start_class, jbd2_handle_restart,
172 TP_PROTO(dev_t dev, unsigned long 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
178TRACE_EVENT(jbd2_handle_extend,
179 TP_PROTO(dev_t dev, unsigned long 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( unsigned long, 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 %lu 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
210TRACE_EVENT(jbd2_handle_stats,
211 TP_PROTO(dev_t dev, unsigned long 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( unsigned long, 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 %lu 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
248TRACE_EVENT(jbd2_run_stats,
249 TP_PROTO(dev_t dev, unsigned long 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( unsigned long, 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 %lu 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
296TRACE_EVENT(jbd2_checkpoint_stats,
297 TP_PROTO(dev_t dev, unsigned long 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( unsigned long, 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 %lu 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
327TRACE_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
356TRACE_EVENT(jbd2_write_superblock,
357
358 TP_PROTO(journal_t *journal, int write_op),
359
360 TP_ARGS(journal, write_op),
361
362 TP_STRUCT__entry(
363 __field( dev_t, dev )
364 __field( int, write_op )
365 ),
366
367 TP_fast_assign(
368 __entry->dev = journal->j_fs_dev->bd_dev;
369 __entry->write_op = write_op;
370 ),
371
372 TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev),
373 MINOR(__entry->dev), __entry->write_op)
374);
375
376TRACE_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
397DECLARE_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
421DEFINE_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
428DEFINE_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
435TRACE_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
462TRACE_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
499
500
501#include <trace/define_trace.h>
502
