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Linux 4.19.168
[linux/fpc-iii.git] / include / trace / events / writeback.h
blob29d09755e5cfc8e69d4ead1e7b47fe765bc91dc1
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM writeback
4
5 #if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_WRITEBACK_H
7
8 #include <linux/tracepoint.h>
9 #include <linux/backing-dev.h>
10 #include <linux/writeback.h>
11
12 #define show_inode_state(state) \
13 __print_flags(state, "|", \
14 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
15 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
16 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
17 {I_NEW, "I_NEW"}, \
18 {I_WILL_FREE, "I_WILL_FREE"}, \
19 {I_FREEING, "I_FREEING"}, \
20 {I_CLEAR, "I_CLEAR"}, \
21 {I_SYNC, "I_SYNC"}, \
22 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
23 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
24 {I_REFERENCED, "I_REFERENCED"} \
25 )
26
27 /* enums need to be exported to user space */
28 #undef EM
29 #undef EMe
30 #define EM(a,b) TRACE_DEFINE_ENUM(a);
31 #define EMe(a,b) TRACE_DEFINE_ENUM(a);
32
33 #define WB_WORK_REASON \
34 EM( WB_REASON_BACKGROUND, "background") \
35 EM( WB_REASON_VMSCAN, "vmscan") \
36 EM( WB_REASON_SYNC, "sync") \
37 EM( WB_REASON_PERIODIC, "periodic") \
38 EM( WB_REASON_LAPTOP_TIMER, "laptop_timer") \
39 EM( WB_REASON_FREE_MORE_MEM, "free_more_memory") \
40 EM( WB_REASON_FS_FREE_SPACE, "fs_free_space") \
41 EMe(WB_REASON_FORKER_THREAD, "forker_thread")
42
43 WB_WORK_REASON
44
45 /*
46 * Now redefine the EM() and EMe() macros to map the enums to the strings
47 * that will be printed in the output.
48 */
49 #undef EM
50 #undef EMe
51 #define EM(a,b) { a, b },
52 #define EMe(a,b) { a, b }
53
54 struct wb_writeback_work;
55
56 TRACE_EVENT(writeback_dirty_page,
57
58 TP_PROTO(struct page *page, struct address_space *mapping),
59
60 TP_ARGS(page, mapping),
61
62 TP_STRUCT__entry (
63 __array(char, name, 32)
64 __field(unsigned long, ino)
65 __field(pgoff_t, index)
66 ),
67
68 TP_fast_assign(
69 strncpy(__entry->name,
70 mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32);
71 __entry->ino = mapping ? mapping->host->i_ino : 0;
72 __entry->index = page->index;
73 ),
74
75 TP_printk("bdi %s: ino=%lu index=%lu",
76 __entry->name,
77 __entry->ino,
78 __entry->index
79 )
80 );
81
82 DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
83
84 TP_PROTO(struct inode *inode, int flags),
85
86 TP_ARGS(inode, flags),
87
88 TP_STRUCT__entry (
89 __array(char, name, 32)
90 __field(unsigned long, ino)
91 __field(unsigned long, state)
92 __field(unsigned long, flags)
93 ),
94
95 TP_fast_assign(
96 struct backing_dev_info *bdi = inode_to_bdi(inode);
97
98 /* may be called for files on pseudo FSes w/ unregistered bdi */
99 strncpy(__entry->name,
100 bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
101 __entry->ino = inode->i_ino;
102 __entry->state = inode->i_state;
103 __entry->flags = flags;
104 ),
105
106 TP_printk("bdi %s: ino=%lu state=%s flags=%s",
107 __entry->name,
108 __entry->ino,
109 show_inode_state(__entry->state),
110 show_inode_state(__entry->flags)
111 )
112 );
113
114 DEFINE_EVENT(writeback_dirty_inode_template, writeback_mark_inode_dirty,
115
116 TP_PROTO(struct inode *inode, int flags),
117
118 TP_ARGS(inode, flags)
119 );
120
121 DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start,
122
123 TP_PROTO(struct inode *inode, int flags),
124
125 TP_ARGS(inode, flags)
126 );
127
128 DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode,
129
130 TP_PROTO(struct inode *inode, int flags),
131
132 TP_ARGS(inode, flags)
133 );
134
135 #ifdef CREATE_TRACE_POINTS
136 #ifdef CONFIG_CGROUP_WRITEBACK
137
138 static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb)
139 {
140 return wb->memcg_css->cgroup->kn->id.ino;
141 }
142
143 static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc)
144 {
145 if (wbc->wb)
146 return __trace_wb_assign_cgroup(wbc->wb);
147 else
148 return -1U;
149 }
150 #else /* CONFIG_CGROUP_WRITEBACK */
151
152 static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb)
153 {
154 return -1U;
155 }
156
157 static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc)
158 {
159 return -1U;
160 }
161
162 #endif /* CONFIG_CGROUP_WRITEBACK */
163 #endif /* CREATE_TRACE_POINTS */
164
165 DECLARE_EVENT_CLASS(writeback_write_inode_template,
166
167 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
168
169 TP_ARGS(inode, wbc),
170
171 TP_STRUCT__entry (
172 __array(char, name, 32)
173 __field(unsigned long, ino)
174 __field(int, sync_mode)
175 __field(unsigned int, cgroup_ino)
176 ),
177
178 TP_fast_assign(
179 strncpy(__entry->name,
180 dev_name(inode_to_bdi(inode)->dev), 32);
181 __entry->ino = inode->i_ino;
182 __entry->sync_mode = wbc->sync_mode;
183 __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
184 ),
185
186 TP_printk("bdi %s: ino=%lu sync_mode=%d cgroup_ino=%u",
187 __entry->name,
188 __entry->ino,
189 __entry->sync_mode,
190 __entry->cgroup_ino
191 )
192 );
193
194 DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode_start,
195
196 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
197
198 TP_ARGS(inode, wbc)
199 );
200
201 DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode,
202
203 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
204
205 TP_ARGS(inode, wbc)
206 );
207
208 DECLARE_EVENT_CLASS(writeback_work_class,
209 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
210 TP_ARGS(wb, work),
211 TP_STRUCT__entry(
212 __array(char, name, 32)
213 __field(long, nr_pages)
214 __field(dev_t, sb_dev)
215 __field(int, sync_mode)
216 __field(int, for_kupdate)
217 __field(int, range_cyclic)
218 __field(int, for_background)
219 __field(int, reason)
220 __field(unsigned int, cgroup_ino)
221 ),
222 TP_fast_assign(
223 strncpy(__entry->name,
224 wb->bdi->dev ? dev_name(wb->bdi->dev) : "(unknown)", 32);
225 __entry->nr_pages = work->nr_pages;
226 __entry->sb_dev = work->sb ? work->sb->s_dev : 0;
227 __entry->sync_mode = work->sync_mode;
228 __entry->for_kupdate = work->for_kupdate;
229 __entry->range_cyclic = work->range_cyclic;
230 __entry->for_background = work->for_background;
231 __entry->reason = work->reason;
232 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
233 ),
234 TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d "
235 "kupdate=%d range_cyclic=%d background=%d reason=%s cgroup_ino=%u",
236 __entry->name,
237 MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev),
238 __entry->nr_pages,
239 __entry->sync_mode,
240 __entry->for_kupdate,
241 __entry->range_cyclic,
242 __entry->for_background,
243 __print_symbolic(__entry->reason, WB_WORK_REASON),
244 __entry->cgroup_ino
245 )
246 );
247 #define DEFINE_WRITEBACK_WORK_EVENT(name) \
248 DEFINE_EVENT(writeback_work_class, name, \
249 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
250 TP_ARGS(wb, work))
251 DEFINE_WRITEBACK_WORK_EVENT(writeback_queue);
252 DEFINE_WRITEBACK_WORK_EVENT(writeback_exec);
253 DEFINE_WRITEBACK_WORK_EVENT(writeback_start);
254 DEFINE_WRITEBACK_WORK_EVENT(writeback_written);
255 DEFINE_WRITEBACK_WORK_EVENT(writeback_wait);
256
257 TRACE_EVENT(writeback_pages_written,
258 TP_PROTO(long pages_written),
259 TP_ARGS(pages_written),
260 TP_STRUCT__entry(
261 __field(long, pages)
262 ),
263 TP_fast_assign(
264 __entry->pages = pages_written;
265 ),
266 TP_printk("%ld", __entry->pages)
267 );
268
269 DECLARE_EVENT_CLASS(writeback_class,
270 TP_PROTO(struct bdi_writeback *wb),
271 TP_ARGS(wb),
272 TP_STRUCT__entry(
273 __array(char, name, 32)
274 __field(unsigned int, cgroup_ino)
275 ),
276 TP_fast_assign(
277 strncpy(__entry->name, dev_name(wb->bdi->dev), 32);
278 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
279 ),
280 TP_printk("bdi %s: cgroup_ino=%u",
281 __entry->name,
282 __entry->cgroup_ino
283 )
284 );
285 #define DEFINE_WRITEBACK_EVENT(name) \
286 DEFINE_EVENT(writeback_class, name, \
287 TP_PROTO(struct bdi_writeback *wb), \
288 TP_ARGS(wb))
289
290 DEFINE_WRITEBACK_EVENT(writeback_wake_background);
291
292 TRACE_EVENT(writeback_bdi_register,
293 TP_PROTO(struct backing_dev_info *bdi),
294 TP_ARGS(bdi),
295 TP_STRUCT__entry(
296 __array(char, name, 32)
297 ),
298 TP_fast_assign(
299 strncpy(__entry->name, dev_name(bdi->dev), 32);
300 ),
301 TP_printk("bdi %s",
302 __entry->name
303 )
304 );
305
306 DECLARE_EVENT_CLASS(wbc_class,
307 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
308 TP_ARGS(wbc, bdi),
309 TP_STRUCT__entry(
310 __array(char, name, 32)
311 __field(long, nr_to_write)
312 __field(long, pages_skipped)
313 __field(int, sync_mode)
314 __field(int, for_kupdate)
315 __field(int, for_background)
316 __field(int, for_reclaim)
317 __field(int, range_cyclic)
318 __field(long, range_start)
319 __field(long, range_end)
320 __field(unsigned int, cgroup_ino)
321 ),
322
323 TP_fast_assign(
324 strncpy(__entry->name, dev_name(bdi->dev), 32);
325 __entry->nr_to_write = wbc->nr_to_write;
326 __entry->pages_skipped = wbc->pages_skipped;
327 __entry->sync_mode = wbc->sync_mode;
328 __entry->for_kupdate = wbc->for_kupdate;
329 __entry->for_background = wbc->for_background;
330 __entry->for_reclaim = wbc->for_reclaim;
331 __entry->range_cyclic = wbc->range_cyclic;
332 __entry->range_start = (long)wbc->range_start;
333 __entry->range_end = (long)wbc->range_end;
334 __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
335 ),
336
337 TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d "
338 "bgrd=%d reclm=%d cyclic=%d "
339 "start=0x%lx end=0x%lx cgroup_ino=%u",
340 __entry->name,
341 __entry->nr_to_write,
342 __entry->pages_skipped,
343 __entry->sync_mode,
344 __entry->for_kupdate,
345 __entry->for_background,
346 __entry->for_reclaim,
347 __entry->range_cyclic,
348 __entry->range_start,
349 __entry->range_end,
350 __entry->cgroup_ino
351 )
352 )
353
354 #define DEFINE_WBC_EVENT(name) \
355 DEFINE_EVENT(wbc_class, name, \
356 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
357 TP_ARGS(wbc, bdi))
358 DEFINE_WBC_EVENT(wbc_writepage);
359
360 TRACE_EVENT(writeback_queue_io,
361 TP_PROTO(struct bdi_writeback *wb,
362 struct wb_writeback_work *work,
363 unsigned long dirtied_before,
364 int moved),
365 TP_ARGS(wb, work, dirtied_before, moved),
366 TP_STRUCT__entry(
367 __array(char, name, 32)
368 __field(unsigned long, older)
369 __field(long, age)
370 __field(int, moved)
371 __field(int, reason)
372 __field(unsigned int, cgroup_ino)
373 ),
374 TP_fast_assign(
375 strncpy(__entry->name, dev_name(wb->bdi->dev), 32);
376 __entry->older = dirtied_before;
377 __entry->age = (jiffies - dirtied_before) * 1000 / HZ;
378 __entry->moved = moved;
379 __entry->reason = work->reason;
380 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
381 ),
382 TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s cgroup_ino=%u",
383 __entry->name,
384 __entry->older, /* dirtied_before in jiffies */
385 __entry->age, /* dirtied_before in relative milliseconds */
386 __entry->moved,
387 __print_symbolic(__entry->reason, WB_WORK_REASON),
388 __entry->cgroup_ino
389 )
390 );
391
392 TRACE_EVENT(global_dirty_state,
393
394 TP_PROTO(unsigned long background_thresh,
395 unsigned long dirty_thresh
396 ),
397
398 TP_ARGS(background_thresh,
399 dirty_thresh
400 ),
401
402 TP_STRUCT__entry(
403 __field(unsigned long, nr_dirty)
404 __field(unsigned long, nr_writeback)
405 __field(unsigned long, nr_unstable)
406 __field(unsigned long, background_thresh)
407 __field(unsigned long, dirty_thresh)
408 __field(unsigned long, dirty_limit)
409 __field(unsigned long, nr_dirtied)
410 __field(unsigned long, nr_written)
411 ),
412
413 TP_fast_assign(
414 __entry->nr_dirty = global_node_page_state(NR_FILE_DIRTY);
415 __entry->nr_writeback = global_node_page_state(NR_WRITEBACK);
416 __entry->nr_unstable = global_node_page_state(NR_UNSTABLE_NFS);
417 __entry->nr_dirtied = global_node_page_state(NR_DIRTIED);
418 __entry->nr_written = global_node_page_state(NR_WRITTEN);
419 __entry->background_thresh = background_thresh;
420 __entry->dirty_thresh = dirty_thresh;
421 __entry->dirty_limit = global_wb_domain.dirty_limit;
422 ),
423
424 TP_printk("dirty=%lu writeback=%lu unstable=%lu "
425 "bg_thresh=%lu thresh=%lu limit=%lu "
426 "dirtied=%lu written=%lu",
427 __entry->nr_dirty,
428 __entry->nr_writeback,
429 __entry->nr_unstable,
430 __entry->background_thresh,
431 __entry->dirty_thresh,
432 __entry->dirty_limit,
433 __entry->nr_dirtied,
434 __entry->nr_written
435 )
436 );
437
438 #define KBps(x) ((x) << (PAGE_SHIFT - 10))
439
440 TRACE_EVENT(bdi_dirty_ratelimit,
441
442 TP_PROTO(struct bdi_writeback *wb,
443 unsigned long dirty_rate,
444 unsigned long task_ratelimit),
445
446 TP_ARGS(wb, dirty_rate, task_ratelimit),
447
448 TP_STRUCT__entry(
449 __array(char, bdi, 32)
450 __field(unsigned long, write_bw)
451 __field(unsigned long, avg_write_bw)
452 __field(unsigned long, dirty_rate)
453 __field(unsigned long, dirty_ratelimit)
454 __field(unsigned long, task_ratelimit)
455 __field(unsigned long, balanced_dirty_ratelimit)
456 __field(unsigned int, cgroup_ino)
457 ),
458
459 TP_fast_assign(
460 strlcpy(__entry->bdi, dev_name(wb->bdi->dev), 32);
461 __entry->write_bw = KBps(wb->write_bandwidth);
462 __entry->avg_write_bw = KBps(wb->avg_write_bandwidth);
463 __entry->dirty_rate = KBps(dirty_rate);
464 __entry->dirty_ratelimit = KBps(wb->dirty_ratelimit);
465 __entry->task_ratelimit = KBps(task_ratelimit);
466 __entry->balanced_dirty_ratelimit =
467 KBps(wb->balanced_dirty_ratelimit);
468 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
469 ),
470
471 TP_printk("bdi %s: "
472 "write_bw=%lu awrite_bw=%lu dirty_rate=%lu "
473 "dirty_ratelimit=%lu task_ratelimit=%lu "
474 "balanced_dirty_ratelimit=%lu cgroup_ino=%u",
475 __entry->bdi,
476 __entry->write_bw, /* write bandwidth */
477 __entry->avg_write_bw, /* avg write bandwidth */
478 __entry->dirty_rate, /* bdi dirty rate */
479 __entry->dirty_ratelimit, /* base ratelimit */
480 __entry->task_ratelimit, /* ratelimit with position control */
481 __entry->balanced_dirty_ratelimit, /* the balanced ratelimit */
482 __entry->cgroup_ino
483 )
484 );
485
486 TRACE_EVENT(balance_dirty_pages,
487
488 TP_PROTO(struct bdi_writeback *wb,
489 unsigned long thresh,
490 unsigned long bg_thresh,
491 unsigned long dirty,
492 unsigned long bdi_thresh,
493 unsigned long bdi_dirty,
494 unsigned long dirty_ratelimit,
495 unsigned long task_ratelimit,
496 unsigned long dirtied,
497 unsigned long period,
498 long pause,
499 unsigned long start_time),
500
501 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
502 dirty_ratelimit, task_ratelimit,
503 dirtied, period, pause, start_time),
504
505 TP_STRUCT__entry(
506 __array( char, bdi, 32)
507 __field(unsigned long, limit)
508 __field(unsigned long, setpoint)
509 __field(unsigned long, dirty)
510 __field(unsigned long, bdi_setpoint)
511 __field(unsigned long, bdi_dirty)
512 __field(unsigned long, dirty_ratelimit)
513 __field(unsigned long, task_ratelimit)
514 __field(unsigned int, dirtied)
515 __field(unsigned int, dirtied_pause)
516 __field(unsigned long, paused)
517 __field( long, pause)
518 __field(unsigned long, period)
519 __field( long, think)
520 __field(unsigned int, cgroup_ino)
521 ),
522
523 TP_fast_assign(
524 unsigned long freerun = (thresh + bg_thresh) / 2;
525 strlcpy(__entry->bdi, dev_name(wb->bdi->dev), 32);
526
527 __entry->limit = global_wb_domain.dirty_limit;
528 __entry->setpoint = (global_wb_domain.dirty_limit +
529 freerun) / 2;
530 __entry->dirty = dirty;
531 __entry->bdi_setpoint = __entry->setpoint *
532 bdi_thresh / (thresh + 1);
533 __entry->bdi_dirty = bdi_dirty;
534 __entry->dirty_ratelimit = KBps(dirty_ratelimit);
535 __entry->task_ratelimit = KBps(task_ratelimit);
536 __entry->dirtied = dirtied;
537 __entry->dirtied_pause = current->nr_dirtied_pause;
538 __entry->think = current->dirty_paused_when == 0 ? 0 :
539 (long)(jiffies - current->dirty_paused_when) * 1000/HZ;
540 __entry->period = period * 1000 / HZ;
541 __entry->pause = pause * 1000 / HZ;
542 __entry->paused = (jiffies - start_time) * 1000 / HZ;
543 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
544 ),
545
546
547 TP_printk("bdi %s: "
548 "limit=%lu setpoint=%lu dirty=%lu "
549 "bdi_setpoint=%lu bdi_dirty=%lu "
550 "dirty_ratelimit=%lu task_ratelimit=%lu "
551 "dirtied=%u dirtied_pause=%u "
552 "paused=%lu pause=%ld period=%lu think=%ld cgroup_ino=%u",
553 __entry->bdi,
554 __entry->limit,
555 __entry->setpoint,
556 __entry->dirty,
557 __entry->bdi_setpoint,
558 __entry->bdi_dirty,
559 __entry->dirty_ratelimit,
560 __entry->task_ratelimit,
561 __entry->dirtied,
562 __entry->dirtied_pause,
563 __entry->paused, /* ms */
564 __entry->pause, /* ms */
565 __entry->period, /* ms */
566 __entry->think, /* ms */
567 __entry->cgroup_ino
568 )
569 );
570
571 TRACE_EVENT(writeback_sb_inodes_requeue,
572
573 TP_PROTO(struct inode *inode),
574 TP_ARGS(inode),
575
576 TP_STRUCT__entry(
577 __array(char, name, 32)
578 __field(unsigned long, ino)
579 __field(unsigned long, state)
580 __field(unsigned long, dirtied_when)
581 __field(unsigned int, cgroup_ino)
582 ),
583
584 TP_fast_assign(
585 strncpy(__entry->name,
586 dev_name(inode_to_bdi(inode)->dev), 32);
587 __entry->ino = inode->i_ino;
588 __entry->state = inode->i_state;
589 __entry->dirtied_when = inode->dirtied_when;
590 __entry->cgroup_ino = __trace_wb_assign_cgroup(inode_to_wb(inode));
591 ),
592
593 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu cgroup_ino=%u",
594 __entry->name,
595 __entry->ino,
596 show_inode_state(__entry->state),
597 __entry->dirtied_when,
598 (jiffies - __entry->dirtied_when) / HZ,
599 __entry->cgroup_ino
600 )
601 );
602
603 DECLARE_EVENT_CLASS(writeback_congest_waited_template,
604
605 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
606
607 TP_ARGS(usec_timeout, usec_delayed),
608
609 TP_STRUCT__entry(
610 __field( unsigned int, usec_timeout )
611 __field( unsigned int, usec_delayed )
612 ),
613
614 TP_fast_assign(
615 __entry->usec_timeout = usec_timeout;
616 __entry->usec_delayed = usec_delayed;
617 ),
618
619 TP_printk("usec_timeout=%u usec_delayed=%u",
620 __entry->usec_timeout,
621 __entry->usec_delayed)
622 );
623
624 DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait,
625
626 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
627
628 TP_ARGS(usec_timeout, usec_delayed)
629 );
630
631 DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested,
632
633 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
634
635 TP_ARGS(usec_timeout, usec_delayed)
636 );
637
638 DECLARE_EVENT_CLASS(writeback_single_inode_template,
639
640 TP_PROTO(struct inode *inode,
641 struct writeback_control *wbc,
642 unsigned long nr_to_write
643 ),
644
645 TP_ARGS(inode, wbc, nr_to_write),
646
647 TP_STRUCT__entry(
648 __array(char, name, 32)
649 __field(unsigned long, ino)
650 __field(unsigned long, state)
651 __field(unsigned long, dirtied_when)
652 __field(unsigned long, writeback_index)
653 __field(long, nr_to_write)
654 __field(unsigned long, wrote)
655 __field(unsigned int, cgroup_ino)
656 ),
657
658 TP_fast_assign(
659 strncpy(__entry->name,
660 dev_name(inode_to_bdi(inode)->dev), 32);
661 __entry->ino = inode->i_ino;
662 __entry->state = inode->i_state;
663 __entry->dirtied_when = inode->dirtied_when;
664 __entry->writeback_index = inode->i_mapping->writeback_index;
665 __entry->nr_to_write = nr_to_write;
666 __entry->wrote = nr_to_write - wbc->nr_to_write;
667 __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
668 ),
669
670 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu "
671 "index=%lu to_write=%ld wrote=%lu cgroup_ino=%u",
672 __entry->name,
673 __entry->ino,
674 show_inode_state(__entry->state),
675 __entry->dirtied_when,
676 (jiffies - __entry->dirtied_when) / HZ,
677 __entry->writeback_index,
678 __entry->nr_to_write,
679 __entry->wrote,
680 __entry->cgroup_ino
681 )
682 );
683
684 DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start,
685 TP_PROTO(struct inode *inode,
686 struct writeback_control *wbc,
687 unsigned long nr_to_write),
688 TP_ARGS(inode, wbc, nr_to_write)
689 );
690
691 DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode,
692 TP_PROTO(struct inode *inode,
693 struct writeback_control *wbc,
694 unsigned long nr_to_write),
695 TP_ARGS(inode, wbc, nr_to_write)
696 );
697
698 DECLARE_EVENT_CLASS(writeback_inode_template,
699 TP_PROTO(struct inode *inode),
700
701 TP_ARGS(inode),
702
703 TP_STRUCT__entry(
704 __field( dev_t, dev )
705 __field(unsigned long, ino )
706 __field(unsigned long, state )
707 __field( __u16, mode )
708 __field(unsigned long, dirtied_when )
709 ),
710
711 TP_fast_assign(
712 __entry->dev = inode->i_sb->s_dev;
713 __entry->ino = inode->i_ino;
714 __entry->state = inode->i_state;
715 __entry->mode = inode->i_mode;
716 __entry->dirtied_when = inode->dirtied_when;
717 ),
718
719 TP_printk("dev %d,%d ino %lu dirtied %lu state %s mode 0%o",
720 MAJOR(__entry->dev), MINOR(__entry->dev),
721 __entry->ino, __entry->dirtied_when,
722 show_inode_state(__entry->state), __entry->mode)
723 );
724
725 DEFINE_EVENT(writeback_inode_template, writeback_lazytime,
726 TP_PROTO(struct inode *inode),
727
728 TP_ARGS(inode)
729 );
730
731 DEFINE_EVENT(writeback_inode_template, writeback_lazytime_iput,
732 TP_PROTO(struct inode *inode),
733
734 TP_ARGS(inode)
735 );
736
737 DEFINE_EVENT(writeback_inode_template, writeback_dirty_inode_enqueue,
738
739 TP_PROTO(struct inode *inode),
740
741 TP_ARGS(inode)
742 );
743
744 /*
745 * Inode writeback list tracking.
746 */
747
748 DEFINE_EVENT(writeback_inode_template, sb_mark_inode_writeback,
749 TP_PROTO(struct inode *inode),
750 TP_ARGS(inode)
751 );
752
753 DEFINE_EVENT(writeback_inode_template, sb_clear_inode_writeback,
754 TP_PROTO(struct inode *inode),
755 TP_ARGS(inode)
756 );
757
758 #endif /* _TRACE_WRITEBACK_H */
759
760 /* This part must be outside protection */
761 #include <trace/define_trace.h>
Linux with added FPC-III support