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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
[deliverable/linux.git] / include / trace / events / writeback.h
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM writeback
3
4 #if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_WRITEBACK_H
6
7 #include <linux/tracepoint.h>
8 #include <linux/backing-dev.h>
9 #include <linux/writeback.h>
10
11 #define show_inode_state(state) \
12 __print_flags(state, "|", \
13 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
14 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
15 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
16 {I_NEW, "I_NEW"}, \
17 {I_WILL_FREE, "I_WILL_FREE"}, \
18 {I_FREEING, "I_FREEING"}, \
19 {I_CLEAR, "I_CLEAR"}, \
20 {I_SYNC, "I_SYNC"}, \
21 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
22 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
23 {I_REFERENCED, "I_REFERENCED"} \
24 )
25
26 /* enums need to be exported to user space */
27 #undef EM
28 #undef EMe
29 #define EM(a,b) TRACE_DEFINE_ENUM(a);
30 #define EMe(a,b) TRACE_DEFINE_ENUM(a);
31
32 #define WB_WORK_REASON \
33 EM( WB_REASON_BACKGROUND, "background") \
34 EM( WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages") \
35 EM( WB_REASON_SYNC, "sync") \
36 EM( WB_REASON_PERIODIC, "periodic") \
37 EM( WB_REASON_LAPTOP_TIMER, "laptop_timer") \
38 EM( WB_REASON_FREE_MORE_MEM, "free_more_memory") \
39 EM( WB_REASON_FS_FREE_SPACE, "fs_free_space") \
40 EMe(WB_REASON_FORKER_THREAD, "forker_thread")
41
42 WB_WORK_REASON
43
44 /*
45 * Now redefine the EM() and EMe() macros to map the enums to the strings
46 * that will be printed in the output.
47 */
48 #undef EM
49 #undef EMe
50 #define EM(a,b) { a, b },
51 #define EMe(a,b) { a, b }
52
53 struct wb_writeback_work;
54
55 TRACE_EVENT(writeback_dirty_page,
56
57 TP_PROTO(struct page *page, struct address_space *mapping),
58
59 TP_ARGS(page, mapping),
60
61 TP_STRUCT__entry (
62 __array(char, name, 32)
63 __field(unsigned long, ino)
64 __field(pgoff_t, index)
65 ),
66
67 TP_fast_assign(
68 strncpy(__entry->name,
69 mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32);
70 __entry->ino = mapping ? mapping->host->i_ino : 0;
71 __entry->index = page->index;
72 ),
73
74 TP_printk("bdi %s: ino=%lu index=%lu",
75 __entry->name,
76 __entry->ino,
77 __entry->index
78 )
79 );
80
81 DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
82
83 TP_PROTO(struct inode *inode, int flags),
84
85 TP_ARGS(inode, flags),
86
87 TP_STRUCT__entry (
88 __array(char, name, 32)
89 __field(unsigned long, ino)
90 __field(unsigned long, state)
91 __field(unsigned long, flags)
92 ),
93
94 TP_fast_assign(
95 struct backing_dev_info *bdi = inode_to_bdi(inode);
96
97 /* may be called for files on pseudo FSes w/ unregistered bdi */
98 strncpy(__entry->name,
99 bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
100 __entry->ino = inode->i_ino;
101 __entry->state = inode->i_state;
102 __entry->flags = flags;
103 ),
104
105 TP_printk("bdi %s: ino=%lu state=%s flags=%s",
106 __entry->name,
107 __entry->ino,
108 show_inode_state(__entry->state),
109 show_inode_state(__entry->flags)
110 )
111 );
112
113 DEFINE_EVENT(writeback_dirty_inode_template, writeback_mark_inode_dirty,
114
115 TP_PROTO(struct inode *inode, int flags),
116
117 TP_ARGS(inode, flags)
118 );
119
120 DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start,
121
122 TP_PROTO(struct inode *inode, int flags),
123
124 TP_ARGS(inode, flags)
125 );
126
127 DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode,
128
129 TP_PROTO(struct inode *inode, int flags),
130
131 TP_ARGS(inode, flags)
132 );
133
134 DECLARE_EVENT_CLASS(writeback_write_inode_template,
135
136 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
137
138 TP_ARGS(inode, wbc),
139
140 TP_STRUCT__entry (
141 __array(char, name, 32)
142 __field(unsigned long, ino)
143 __field(int, sync_mode)
144 ),
145
146 TP_fast_assign(
147 strncpy(__entry->name,
148 dev_name(inode_to_bdi(inode)->dev), 32);
149 __entry->ino = inode->i_ino;
150 __entry->sync_mode = wbc->sync_mode;
151 ),
152
153 TP_printk("bdi %s: ino=%lu sync_mode=%d",
154 __entry->name,
155 __entry->ino,
156 __entry->sync_mode
157 )
158 );
159
160 DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode_start,
161
162 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
163
164 TP_ARGS(inode, wbc)
165 );
166
167 DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode,
168
169 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
170
171 TP_ARGS(inode, wbc)
172 );
173
174 DECLARE_EVENT_CLASS(writeback_work_class,
175 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
176 TP_ARGS(bdi, work),
177 TP_STRUCT__entry(
178 __array(char, name, 32)
179 __field(long, nr_pages)
180 __field(dev_t, sb_dev)
181 __field(int, sync_mode)
182 __field(int, for_kupdate)
183 __field(int, range_cyclic)
184 __field(int, for_background)
185 __field(int, reason)
186 ),
187 TP_fast_assign(
188 strncpy(__entry->name,
189 bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
190 __entry->nr_pages = work->nr_pages;
191 __entry->sb_dev = work->sb ? work->sb->s_dev : 0;
192 __entry->sync_mode = work->sync_mode;
193 __entry->for_kupdate = work->for_kupdate;
194 __entry->range_cyclic = work->range_cyclic;
195 __entry->for_background = work->for_background;
196 __entry->reason = work->reason;
197 ),
198 TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d "
199 "kupdate=%d range_cyclic=%d background=%d reason=%s",
200 __entry->name,
201 MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev),
202 __entry->nr_pages,
203 __entry->sync_mode,
204 __entry->for_kupdate,
205 __entry->range_cyclic,
206 __entry->for_background,
207 __print_symbolic(__entry->reason, WB_WORK_REASON)
208 )
209 );
210 #define DEFINE_WRITEBACK_WORK_EVENT(name) \
211 DEFINE_EVENT(writeback_work_class, name, \
212 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
213 TP_ARGS(bdi, work))
214 DEFINE_WRITEBACK_WORK_EVENT(writeback_queue);
215 DEFINE_WRITEBACK_WORK_EVENT(writeback_exec);
216 DEFINE_WRITEBACK_WORK_EVENT(writeback_start);
217 DEFINE_WRITEBACK_WORK_EVENT(writeback_written);
218 DEFINE_WRITEBACK_WORK_EVENT(writeback_wait);
219
220 TRACE_EVENT(writeback_pages_written,
221 TP_PROTO(long pages_written),
222 TP_ARGS(pages_written),
223 TP_STRUCT__entry(
224 __field(long, pages)
225 ),
226 TP_fast_assign(
227 __entry->pages = pages_written;
228 ),
229 TP_printk("%ld", __entry->pages)
230 );
231
232 DECLARE_EVENT_CLASS(writeback_class,
233 TP_PROTO(struct backing_dev_info *bdi),
234 TP_ARGS(bdi),
235 TP_STRUCT__entry(
236 __array(char, name, 32)
237 ),
238 TP_fast_assign(
239 strncpy(__entry->name, dev_name(bdi->dev), 32);
240 ),
241 TP_printk("bdi %s",
242 __entry->name
243 )
244 );
245 #define DEFINE_WRITEBACK_EVENT(name) \
246 DEFINE_EVENT(writeback_class, name, \
247 TP_PROTO(struct backing_dev_info *bdi), \
248 TP_ARGS(bdi))
249
250 DEFINE_WRITEBACK_EVENT(writeback_nowork);
251 DEFINE_WRITEBACK_EVENT(writeback_wake_background);
252 DEFINE_WRITEBACK_EVENT(writeback_bdi_register);
253
254 DECLARE_EVENT_CLASS(wbc_class,
255 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
256 TP_ARGS(wbc, bdi),
257 TP_STRUCT__entry(
258 __array(char, name, 32)
259 __field(long, nr_to_write)
260 __field(long, pages_skipped)
261 __field(int, sync_mode)
262 __field(int, for_kupdate)
263 __field(int, for_background)
264 __field(int, for_reclaim)
265 __field(int, range_cyclic)
266 __field(long, range_start)
267 __field(long, range_end)
268 ),
269
270 TP_fast_assign(
271 strncpy(__entry->name, dev_name(bdi->dev), 32);
272 __entry->nr_to_write = wbc->nr_to_write;
273 __entry->pages_skipped = wbc->pages_skipped;
274 __entry->sync_mode = wbc->sync_mode;
275 __entry->for_kupdate = wbc->for_kupdate;
276 __entry->for_background = wbc->for_background;
277 __entry->for_reclaim = wbc->for_reclaim;
278 __entry->range_cyclic = wbc->range_cyclic;
279 __entry->range_start = (long)wbc->range_start;
280 __entry->range_end = (long)wbc->range_end;
281 ),
282
283 TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d "
284 "bgrd=%d reclm=%d cyclic=%d "
285 "start=0x%lx end=0x%lx",
286 __entry->name,
287 __entry->nr_to_write,
288 __entry->pages_skipped,
289 __entry->sync_mode,
290 __entry->for_kupdate,
291 __entry->for_background,
292 __entry->for_reclaim,
293 __entry->range_cyclic,
294 __entry->range_start,
295 __entry->range_end)
296 )
297
298 #define DEFINE_WBC_EVENT(name) \
299 DEFINE_EVENT(wbc_class, name, \
300 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
301 TP_ARGS(wbc, bdi))
302 DEFINE_WBC_EVENT(wbc_writepage);
303
304 TRACE_EVENT(writeback_queue_io,
305 TP_PROTO(struct bdi_writeback *wb,
306 struct wb_writeback_work *work,
307 int moved),
308 TP_ARGS(wb, work, moved),
309 TP_STRUCT__entry(
310 __array(char, name, 32)
311 __field(unsigned long, older)
312 __field(long, age)
313 __field(int, moved)
314 __field(int, reason)
315 ),
316 TP_fast_assign(
317 unsigned long *older_than_this = work->older_than_this;
318 strncpy(__entry->name, dev_name(wb->bdi->dev), 32);
319 __entry->older = older_than_this ? *older_than_this : 0;
320 __entry->age = older_than_this ?
321 (jiffies - *older_than_this) * 1000 / HZ : -1;
322 __entry->moved = moved;
323 __entry->reason = work->reason;
324 ),
325 TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s",
326 __entry->name,
327 __entry->older, /* older_than_this in jiffies */
328 __entry->age, /* older_than_this in relative milliseconds */
329 __entry->moved,
330 __print_symbolic(__entry->reason, WB_WORK_REASON)
331 )
332 );
333
334 TRACE_EVENT(global_dirty_state,
335
336 TP_PROTO(unsigned long background_thresh,
337 unsigned long dirty_thresh
338 ),
339
340 TP_ARGS(background_thresh,
341 dirty_thresh
342 ),
343
344 TP_STRUCT__entry(
345 __field(unsigned long, nr_dirty)
346 __field(unsigned long, nr_writeback)
347 __field(unsigned long, nr_unstable)
348 __field(unsigned long, background_thresh)
349 __field(unsigned long, dirty_thresh)
350 __field(unsigned long, dirty_limit)
351 __field(unsigned long, nr_dirtied)
352 __field(unsigned long, nr_written)
353 ),
354
355 TP_fast_assign(
356 __entry->nr_dirty = global_page_state(NR_FILE_DIRTY);
357 __entry->nr_writeback = global_page_state(NR_WRITEBACK);
358 __entry->nr_unstable = global_page_state(NR_UNSTABLE_NFS);
359 __entry->nr_dirtied = global_page_state(NR_DIRTIED);
360 __entry->nr_written = global_page_state(NR_WRITTEN);
361 __entry->background_thresh = background_thresh;
362 __entry->dirty_thresh = dirty_thresh;
363 __entry->dirty_limit = global_wb_domain.dirty_limit;
364 ),
365
366 TP_printk("dirty=%lu writeback=%lu unstable=%lu "
367 "bg_thresh=%lu thresh=%lu limit=%lu "
368 "dirtied=%lu written=%lu",
369 __entry->nr_dirty,
370 __entry->nr_writeback,
371 __entry->nr_unstable,
372 __entry->background_thresh,
373 __entry->dirty_thresh,
374 __entry->dirty_limit,
375 __entry->nr_dirtied,
376 __entry->nr_written
377 )
378 );
379
380 #define KBps(x) ((x) << (PAGE_SHIFT - 10))
381
382 TRACE_EVENT(bdi_dirty_ratelimit,
383
384 TP_PROTO(struct backing_dev_info *bdi,
385 unsigned long dirty_rate,
386 unsigned long task_ratelimit),
387
388 TP_ARGS(bdi, dirty_rate, task_ratelimit),
389
390 TP_STRUCT__entry(
391 __array(char, bdi, 32)
392 __field(unsigned long, write_bw)
393 __field(unsigned long, avg_write_bw)
394 __field(unsigned long, dirty_rate)
395 __field(unsigned long, dirty_ratelimit)
396 __field(unsigned long, task_ratelimit)
397 __field(unsigned long, balanced_dirty_ratelimit)
398 ),
399
400 TP_fast_assign(
401 strlcpy(__entry->bdi, dev_name(bdi->dev), 32);
402 __entry->write_bw = KBps(bdi->wb.write_bandwidth);
403 __entry->avg_write_bw = KBps(bdi->wb.avg_write_bandwidth);
404 __entry->dirty_rate = KBps(dirty_rate);
405 __entry->dirty_ratelimit = KBps(bdi->wb.dirty_ratelimit);
406 __entry->task_ratelimit = KBps(task_ratelimit);
407 __entry->balanced_dirty_ratelimit =
408 KBps(bdi->wb.balanced_dirty_ratelimit);
409 ),
410
411 TP_printk("bdi %s: "
412 "write_bw=%lu awrite_bw=%lu dirty_rate=%lu "
413 "dirty_ratelimit=%lu task_ratelimit=%lu "
414 "balanced_dirty_ratelimit=%lu",
415 __entry->bdi,
416 __entry->write_bw, /* write bandwidth */
417 __entry->avg_write_bw, /* avg write bandwidth */
418 __entry->dirty_rate, /* bdi dirty rate */
419 __entry->dirty_ratelimit, /* base ratelimit */
420 __entry->task_ratelimit, /* ratelimit with position control */
421 __entry->balanced_dirty_ratelimit /* the balanced ratelimit */
422 )
423 );
424
425 TRACE_EVENT(balance_dirty_pages,
426
427 TP_PROTO(struct backing_dev_info *bdi,
428 unsigned long thresh,
429 unsigned long bg_thresh,
430 unsigned long dirty,
431 unsigned long bdi_thresh,
432 unsigned long bdi_dirty,
433 unsigned long dirty_ratelimit,
434 unsigned long task_ratelimit,
435 unsigned long dirtied,
436 unsigned long period,
437 long pause,
438 unsigned long start_time),
439
440 TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
441 dirty_ratelimit, task_ratelimit,
442 dirtied, period, pause, start_time),
443
444 TP_STRUCT__entry(
445 __array( char, bdi, 32)
446 __field(unsigned long, limit)
447 __field(unsigned long, setpoint)
448 __field(unsigned long, dirty)
449 __field(unsigned long, bdi_setpoint)
450 __field(unsigned long, bdi_dirty)
451 __field(unsigned long, dirty_ratelimit)
452 __field(unsigned long, task_ratelimit)
453 __field(unsigned int, dirtied)
454 __field(unsigned int, dirtied_pause)
455 __field(unsigned long, paused)
456 __field( long, pause)
457 __field(unsigned long, period)
458 __field( long, think)
459 ),
460
461 TP_fast_assign(
462 unsigned long freerun = (thresh + bg_thresh) / 2;
463 strlcpy(__entry->bdi, dev_name(bdi->dev), 32);
464
465 __entry->limit = global_wb_domain.dirty_limit;
466 __entry->setpoint = (global_wb_domain.dirty_limit +
467 freerun) / 2;
468 __entry->dirty = dirty;
469 __entry->bdi_setpoint = __entry->setpoint *
470 bdi_thresh / (thresh + 1);
471 __entry->bdi_dirty = bdi_dirty;
472 __entry->dirty_ratelimit = KBps(dirty_ratelimit);
473 __entry->task_ratelimit = KBps(task_ratelimit);
474 __entry->dirtied = dirtied;
475 __entry->dirtied_pause = current->nr_dirtied_pause;
476 __entry->think = current->dirty_paused_when == 0 ? 0 :
477 (long)(jiffies - current->dirty_paused_when) * 1000/HZ;
478 __entry->period = period * 1000 / HZ;
479 __entry->pause = pause * 1000 / HZ;
480 __entry->paused = (jiffies - start_time) * 1000 / HZ;
481 ),
482
483
484 TP_printk("bdi %s: "
485 "limit=%lu setpoint=%lu dirty=%lu "
486 "bdi_setpoint=%lu bdi_dirty=%lu "
487 "dirty_ratelimit=%lu task_ratelimit=%lu "
488 "dirtied=%u dirtied_pause=%u "
489 "paused=%lu pause=%ld period=%lu think=%ld",
490 __entry->bdi,
491 __entry->limit,
492 __entry->setpoint,
493 __entry->dirty,
494 __entry->bdi_setpoint,
495 __entry->bdi_dirty,
496 __entry->dirty_ratelimit,
497 __entry->task_ratelimit,
498 __entry->dirtied,
499 __entry->dirtied_pause,
500 __entry->paused, /* ms */
501 __entry->pause, /* ms */
502 __entry->period, /* ms */
503 __entry->think /* ms */
504 )
505 );
506
507 TRACE_EVENT(writeback_sb_inodes_requeue,
508
509 TP_PROTO(struct inode *inode),
510 TP_ARGS(inode),
511
512 TP_STRUCT__entry(
513 __array(char, name, 32)
514 __field(unsigned long, ino)
515 __field(unsigned long, state)
516 __field(unsigned long, dirtied_when)
517 ),
518
519 TP_fast_assign(
520 strncpy(__entry->name,
521 dev_name(inode_to_bdi(inode)->dev), 32);
522 __entry->ino = inode->i_ino;
523 __entry->state = inode->i_state;
524 __entry->dirtied_when = inode->dirtied_when;
525 ),
526
527 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu",
528 __entry->name,
529 __entry->ino,
530 show_inode_state(__entry->state),
531 __entry->dirtied_when,
532 (jiffies - __entry->dirtied_when) / HZ
533 )
534 );
535
536 DECLARE_EVENT_CLASS(writeback_congest_waited_template,
537
538 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
539
540 TP_ARGS(usec_timeout, usec_delayed),
541
542 TP_STRUCT__entry(
543 __field( unsigned int, usec_timeout )
544 __field( unsigned int, usec_delayed )
545 ),
546
547 TP_fast_assign(
548 __entry->usec_timeout = usec_timeout;
549 __entry->usec_delayed = usec_delayed;
550 ),
551
552 TP_printk("usec_timeout=%u usec_delayed=%u",
553 __entry->usec_timeout,
554 __entry->usec_delayed)
555 );
556
557 DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait,
558
559 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
560
561 TP_ARGS(usec_timeout, usec_delayed)
562 );
563
564 DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested,
565
566 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
567
568 TP_ARGS(usec_timeout, usec_delayed)
569 );
570
571 DECLARE_EVENT_CLASS(writeback_single_inode_template,
572
573 TP_PROTO(struct inode *inode,
574 struct writeback_control *wbc,
575 unsigned long nr_to_write
576 ),
577
578 TP_ARGS(inode, wbc, nr_to_write),
579
580 TP_STRUCT__entry(
581 __array(char, name, 32)
582 __field(unsigned long, ino)
583 __field(unsigned long, state)
584 __field(unsigned long, dirtied_when)
585 __field(unsigned long, writeback_index)
586 __field(long, nr_to_write)
587 __field(unsigned long, wrote)
588 ),
589
590 TP_fast_assign(
591 strncpy(__entry->name,
592 dev_name(inode_to_bdi(inode)->dev), 32);
593 __entry->ino = inode->i_ino;
594 __entry->state = inode->i_state;
595 __entry->dirtied_when = inode->dirtied_when;
596 __entry->writeback_index = inode->i_mapping->writeback_index;
597 __entry->nr_to_write = nr_to_write;
598 __entry->wrote = nr_to_write - wbc->nr_to_write;
599 ),
600
601 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu "
602 "index=%lu to_write=%ld wrote=%lu",
603 __entry->name,
604 __entry->ino,
605 show_inode_state(__entry->state),
606 __entry->dirtied_when,
607 (jiffies - __entry->dirtied_when) / HZ,
608 __entry->writeback_index,
609 __entry->nr_to_write,
610 __entry->wrote
611 )
612 );
613
614 DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start,
615 TP_PROTO(struct inode *inode,
616 struct writeback_control *wbc,
617 unsigned long nr_to_write),
618 TP_ARGS(inode, wbc, nr_to_write)
619 );
620
621 DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode,
622 TP_PROTO(struct inode *inode,
623 struct writeback_control *wbc,
624 unsigned long nr_to_write),
625 TP_ARGS(inode, wbc, nr_to_write)
626 );
627
628 DECLARE_EVENT_CLASS(writeback_lazytime_template,
629 TP_PROTO(struct inode *inode),
630
631 TP_ARGS(inode),
632
633 TP_STRUCT__entry(
634 __field( dev_t, dev )
635 __field(unsigned long, ino )
636 __field(unsigned long, state )
637 __field( __u16, mode )
638 __field(unsigned long, dirtied_when )
639 ),
640
641 TP_fast_assign(
642 __entry->dev = inode->i_sb->s_dev;
643 __entry->ino = inode->i_ino;
644 __entry->state = inode->i_state;
645 __entry->mode = inode->i_mode;
646 __entry->dirtied_when = inode->dirtied_when;
647 ),
648
649 TP_printk("dev %d,%d ino %lu dirtied %lu state %s mode 0%o",
650 MAJOR(__entry->dev), MINOR(__entry->dev),
651 __entry->ino, __entry->dirtied_when,
652 show_inode_state(__entry->state), __entry->mode)
653 );
654
655 DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime,
656 TP_PROTO(struct inode *inode),
657
658 TP_ARGS(inode)
659 );
660
661 DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime_iput,
662 TP_PROTO(struct inode *inode),
663
664 TP_ARGS(inode)
665 );
666
667 DEFINE_EVENT(writeback_lazytime_template, writeback_dirty_inode_enqueue,
668
669 TP_PROTO(struct inode *inode),
670
671 TP_ARGS(inode)
672 );
673
674 #endif /* _TRACE_WRITEBACK_H */
675
676 /* This part must be outside protection */
677 #include <trace/define_trace.h>
Linux kernel - Deliverables
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