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drm/panel: samsung-s6e88a0-ams452ef01: transition to mipi_dsi wrapped functions
[drm/drm-misc.git] / include / trace / events / writeback.h
bloba261e86e61facf89041f0fdf5bff30ee593ae692
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_REFERENCED, "I_REFERENCED"}, \
24 {I_LINKABLE, "I_LINKABLE"}, \
25 {I_WB_SWITCH, "I_WB_SWITCH"}, \
26 {I_OVL_INUSE, "I_OVL_INUSE"}, \
27 {I_CREATING, "I_CREATING"}, \
28 {I_DONTCACHE, "I_DONTCACHE"}, \
29 {I_SYNC_QUEUED, "I_SYNC_QUEUED"}, \
30 {I_PINNING_NETFS_WB, "I_PINNING_NETFS_WB"}, \
31 {I_LRU_ISOLATING, "I_LRU_ISOLATING"} \
32 )
33
34 /* enums need to be exported to user space */
35 #undef EM
36 #undef EMe
37 #define EM(a,b) TRACE_DEFINE_ENUM(a);
38 #define EMe(a,b) TRACE_DEFINE_ENUM(a);
39
40 #define WB_WORK_REASON \
41 EM( WB_REASON_BACKGROUND, "background") \
42 EM( WB_REASON_VMSCAN, "vmscan") \
43 EM( WB_REASON_SYNC, "sync") \
44 EM( WB_REASON_PERIODIC, "periodic") \
45 EM( WB_REASON_LAPTOP_TIMER, "laptop_timer") \
46 EM( WB_REASON_FS_FREE_SPACE, "fs_free_space") \
47 EM( WB_REASON_FORKER_THREAD, "forker_thread") \
48 EMe(WB_REASON_FOREIGN_FLUSH, "foreign_flush")
49
50 WB_WORK_REASON
51
52 /*
53 * Now redefine the EM() and EMe() macros to map the enums to the strings
54 * that will be printed in the output.
55 */
56 #undef EM
57 #undef EMe
58 #define EM(a,b) { a, b },
59 #define EMe(a,b) { a, b }
60
61 struct wb_writeback_work;
62
63 DECLARE_EVENT_CLASS(writeback_folio_template,
64
65 TP_PROTO(struct folio *folio, struct address_space *mapping),
66
67 TP_ARGS(folio, mapping),
68
69 TP_STRUCT__entry (
70 __array(char, name, 32)
71 __field(ino_t, ino)
72 __field(pgoff_t, index)
73 ),
74
75 TP_fast_assign(
76 strscpy_pad(__entry->name,
77 bdi_dev_name(mapping ? inode_to_bdi(mapping->host) :
78 NULL), 32);
79 __entry->ino = (mapping && mapping->host) ? mapping->host->i_ino : 0;
80 __entry->index = folio->index;
81 ),
82
83 TP_printk("bdi %s: ino=%lu index=%lu",
84 __entry->name,
85 (unsigned long)__entry->ino,
86 __entry->index
87 )
88 );
89
90 DEFINE_EVENT(writeback_folio_template, writeback_dirty_folio,
91
92 TP_PROTO(struct folio *folio, struct address_space *mapping),
93
94 TP_ARGS(folio, mapping)
95 );
96
97 DEFINE_EVENT(writeback_folio_template, folio_wait_writeback,
98
99 TP_PROTO(struct folio *folio, struct address_space *mapping),
100
101 TP_ARGS(folio, mapping)
102 );
103
104 DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
105
106 TP_PROTO(struct inode *inode, int flags),
107
108 TP_ARGS(inode, flags),
109
110 TP_STRUCT__entry (
111 __array(char, name, 32)
112 __field(ino_t, ino)
113 __field(unsigned long, state)
114 __field(unsigned long, flags)
115 ),
116
117 TP_fast_assign(
118 struct backing_dev_info *bdi = inode_to_bdi(inode);
119
120 /* may be called for files on pseudo FSes w/ unregistered bdi */
121 strscpy_pad(__entry->name, bdi_dev_name(bdi), 32);
122 __entry->ino = inode->i_ino;
123 __entry->state = inode->i_state;
124 __entry->flags = flags;
125 ),
126
127 TP_printk("bdi %s: ino=%lu state=%s flags=%s",
128 __entry->name,
129 (unsigned long)__entry->ino,
130 show_inode_state(__entry->state),
131 show_inode_state(__entry->flags)
132 )
133 );
134
135 DEFINE_EVENT(writeback_dirty_inode_template, writeback_mark_inode_dirty,
136
137 TP_PROTO(struct inode *inode, int flags),
138
139 TP_ARGS(inode, flags)
140 );
141
142 DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start,
143
144 TP_PROTO(struct inode *inode, int flags),
145
146 TP_ARGS(inode, flags)
147 );
148
149 DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode,
150
151 TP_PROTO(struct inode *inode, int flags),
152
153 TP_ARGS(inode, flags)
154 );
155
156 #ifdef CREATE_TRACE_POINTS
157 #ifdef CONFIG_CGROUP_WRITEBACK
158
159 static inline ino_t __trace_wb_assign_cgroup(struct bdi_writeback *wb)
160 {
161 return cgroup_ino(wb->memcg_css->cgroup);
162 }
163
164 static inline ino_t __trace_wbc_assign_cgroup(struct writeback_control *wbc)
165 {
166 if (wbc->wb)
167 return __trace_wb_assign_cgroup(wbc->wb);
168 else
169 return 1;
170 }
171 #else /* CONFIG_CGROUP_WRITEBACK */
172
173 static inline ino_t __trace_wb_assign_cgroup(struct bdi_writeback *wb)
174 {
175 return 1;
176 }
177
178 static inline ino_t __trace_wbc_assign_cgroup(struct writeback_control *wbc)
179 {
180 return 1;
181 }
182
183 #endif /* CONFIG_CGROUP_WRITEBACK */
184 #endif /* CREATE_TRACE_POINTS */
185
186 #ifdef CONFIG_CGROUP_WRITEBACK
187 TRACE_EVENT(inode_foreign_history,
188
189 TP_PROTO(struct inode *inode, struct writeback_control *wbc,
190 unsigned int history),
191
192 TP_ARGS(inode, wbc, history),
193
194 TP_STRUCT__entry(
195 __array(char, name, 32)
196 __field(ino_t, ino)
197 __field(ino_t, cgroup_ino)
198 __field(unsigned int, history)
199 ),
200
201 TP_fast_assign(
202 strscpy_pad(__entry->name, bdi_dev_name(inode_to_bdi(inode)), 32);
203 __entry->ino = inode->i_ino;
204 __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
205 __entry->history = history;
206 ),
207
208 TP_printk("bdi %s: ino=%lu cgroup_ino=%lu history=0x%x",
209 __entry->name,
210 (unsigned long)__entry->ino,
211 (unsigned long)__entry->cgroup_ino,
212 __entry->history
213 )
214 );
215
216 TRACE_EVENT(inode_switch_wbs,
217
218 TP_PROTO(struct inode *inode, struct bdi_writeback *old_wb,
219 struct bdi_writeback *new_wb),
220
221 TP_ARGS(inode, old_wb, new_wb),
222
223 TP_STRUCT__entry(
224 __array(char, name, 32)
225 __field(ino_t, ino)
226 __field(ino_t, old_cgroup_ino)
227 __field(ino_t, new_cgroup_ino)
228 ),
229
230 TP_fast_assign(
231 strscpy_pad(__entry->name, bdi_dev_name(old_wb->bdi), 32);
232 __entry->ino = inode->i_ino;
233 __entry->old_cgroup_ino = __trace_wb_assign_cgroup(old_wb);
234 __entry->new_cgroup_ino = __trace_wb_assign_cgroup(new_wb);
235 ),
236
237 TP_printk("bdi %s: ino=%lu old_cgroup_ino=%lu new_cgroup_ino=%lu",
238 __entry->name,
239 (unsigned long)__entry->ino,
240 (unsigned long)__entry->old_cgroup_ino,
241 (unsigned long)__entry->new_cgroup_ino
242 )
243 );
244
245 TRACE_EVENT(track_foreign_dirty,
246
247 TP_PROTO(struct folio *folio, struct bdi_writeback *wb),
248
249 TP_ARGS(folio, wb),
250
251 TP_STRUCT__entry(
252 __array(char, name, 32)
253 __field(u64, bdi_id)
254 __field(ino_t, ino)
255 __field(unsigned int, memcg_id)
256 __field(ino_t, cgroup_ino)
257 __field(ino_t, page_cgroup_ino)
258 ),
259
260 TP_fast_assign(
261 struct address_space *mapping = folio_mapping(folio);
262 struct inode *inode = mapping ? mapping->host : NULL;
263
264 strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
265 __entry->bdi_id = wb->bdi->id;
266 __entry->ino = inode ? inode->i_ino : 0;
267 __entry->memcg_id = wb->memcg_css->id;
268 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
269 __entry->page_cgroup_ino = cgroup_ino(folio_memcg(folio)->css.cgroup);
270 ),
271
272 TP_printk("bdi %s[%llu]: ino=%lu memcg_id=%u cgroup_ino=%lu page_cgroup_ino=%lu",
273 __entry->name,
274 __entry->bdi_id,
275 (unsigned long)__entry->ino,
276 __entry->memcg_id,
277 (unsigned long)__entry->cgroup_ino,
278 (unsigned long)__entry->page_cgroup_ino
279 )
280 );
281
282 TRACE_EVENT(flush_foreign,
283
284 TP_PROTO(struct bdi_writeback *wb, unsigned int frn_bdi_id,
285 unsigned int frn_memcg_id),
286
287 TP_ARGS(wb, frn_bdi_id, frn_memcg_id),
288
289 TP_STRUCT__entry(
290 __array(char, name, 32)
291 __field(ino_t, cgroup_ino)
292 __field(unsigned int, frn_bdi_id)
293 __field(unsigned int, frn_memcg_id)
294 ),
295
296 TP_fast_assign(
297 strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
298 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
299 __entry->frn_bdi_id = frn_bdi_id;
300 __entry->frn_memcg_id = frn_memcg_id;
301 ),
302
303 TP_printk("bdi %s: cgroup_ino=%lu frn_bdi_id=%u frn_memcg_id=%u",
304 __entry->name,
305 (unsigned long)__entry->cgroup_ino,
306 __entry->frn_bdi_id,
307 __entry->frn_memcg_id
308 )
309 );
310 #endif
311
312 DECLARE_EVENT_CLASS(writeback_write_inode_template,
313
314 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
315
316 TP_ARGS(inode, wbc),
317
318 TP_STRUCT__entry (
319 __array(char, name, 32)
320 __field(ino_t, ino)
321 __field(int, sync_mode)
322 __field(ino_t, cgroup_ino)
323 ),
324
325 TP_fast_assign(
326 strscpy_pad(__entry->name,
327 bdi_dev_name(inode_to_bdi(inode)), 32);
328 __entry->ino = inode->i_ino;
329 __entry->sync_mode = wbc->sync_mode;
330 __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
331 ),
332
333 TP_printk("bdi %s: ino=%lu sync_mode=%d cgroup_ino=%lu",
334 __entry->name,
335 (unsigned long)__entry->ino,
336 __entry->sync_mode,
337 (unsigned long)__entry->cgroup_ino
338 )
339 );
340
341 DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode_start,
342
343 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
344
345 TP_ARGS(inode, wbc)
346 );
347
348 DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode,
349
350 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
351
352 TP_ARGS(inode, wbc)
353 );
354
355 DECLARE_EVENT_CLASS(writeback_work_class,
356 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
357 TP_ARGS(wb, work),
358 TP_STRUCT__entry(
359 __array(char, name, 32)
360 __field(long, nr_pages)
361 __field(dev_t, sb_dev)
362 __field(int, sync_mode)
363 __field(int, for_kupdate)
364 __field(int, range_cyclic)
365 __field(int, for_background)
366 __field(int, reason)
367 __field(ino_t, cgroup_ino)
368 ),
369 TP_fast_assign(
370 strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
371 __entry->nr_pages = work->nr_pages;
372 __entry->sb_dev = work->sb ? work->sb->s_dev : 0;
373 __entry->sync_mode = work->sync_mode;
374 __entry->for_kupdate = work->for_kupdate;
375 __entry->range_cyclic = work->range_cyclic;
376 __entry->for_background = work->for_background;
377 __entry->reason = work->reason;
378 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
379 ),
380 TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d "
381 "kupdate=%d range_cyclic=%d background=%d reason=%s cgroup_ino=%lu",
382 __entry->name,
383 MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev),
384 __entry->nr_pages,
385 __entry->sync_mode,
386 __entry->for_kupdate,
387 __entry->range_cyclic,
388 __entry->for_background,
389 __print_symbolic(__entry->reason, WB_WORK_REASON),
390 (unsigned long)__entry->cgroup_ino
391 )
392 );
393 #define DEFINE_WRITEBACK_WORK_EVENT(name) \
394 DEFINE_EVENT(writeback_work_class, name, \
395 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
396 TP_ARGS(wb, work))
397 DEFINE_WRITEBACK_WORK_EVENT(writeback_queue);
398 DEFINE_WRITEBACK_WORK_EVENT(writeback_exec);
399 DEFINE_WRITEBACK_WORK_EVENT(writeback_start);
400 DEFINE_WRITEBACK_WORK_EVENT(writeback_written);
401 DEFINE_WRITEBACK_WORK_EVENT(writeback_wait);
402
403 TRACE_EVENT(writeback_pages_written,
404 TP_PROTO(long pages_written),
405 TP_ARGS(pages_written),
406 TP_STRUCT__entry(
407 __field(long, pages)
408 ),
409 TP_fast_assign(
410 __entry->pages = pages_written;
411 ),
412 TP_printk("%ld", __entry->pages)
413 );
414
415 DECLARE_EVENT_CLASS(writeback_class,
416 TP_PROTO(struct bdi_writeback *wb),
417 TP_ARGS(wb),
418 TP_STRUCT__entry(
419 __array(char, name, 32)
420 __field(ino_t, cgroup_ino)
421 ),
422 TP_fast_assign(
423 strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
424 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
425 ),
426 TP_printk("bdi %s: cgroup_ino=%lu",
427 __entry->name,
428 (unsigned long)__entry->cgroup_ino
429 )
430 );
431 #define DEFINE_WRITEBACK_EVENT(name) \
432 DEFINE_EVENT(writeback_class, name, \
433 TP_PROTO(struct bdi_writeback *wb), \
434 TP_ARGS(wb))
435
436 DEFINE_WRITEBACK_EVENT(writeback_wake_background);
437
438 TRACE_EVENT(writeback_bdi_register,
439 TP_PROTO(struct backing_dev_info *bdi),
440 TP_ARGS(bdi),
441 TP_STRUCT__entry(
442 __array(char, name, 32)
443 ),
444 TP_fast_assign(
445 strscpy_pad(__entry->name, bdi_dev_name(bdi), 32);
446 ),
447 TP_printk("bdi %s",
448 __entry->name
449 )
450 );
451
452 DECLARE_EVENT_CLASS(wbc_class,
453 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
454 TP_ARGS(wbc, bdi),
455 TP_STRUCT__entry(
456 __array(char, name, 32)
457 __field(long, nr_to_write)
458 __field(long, pages_skipped)
459 __field(int, sync_mode)
460 __field(int, for_kupdate)
461 __field(int, for_background)
462 __field(int, for_reclaim)
463 __field(int, range_cyclic)
464 __field(long, range_start)
465 __field(long, range_end)
466 __field(ino_t, cgroup_ino)
467 ),
468
469 TP_fast_assign(
470 strscpy_pad(__entry->name, bdi_dev_name(bdi), 32);
471 __entry->nr_to_write = wbc->nr_to_write;
472 __entry->pages_skipped = wbc->pages_skipped;
473 __entry->sync_mode = wbc->sync_mode;
474 __entry->for_kupdate = wbc->for_kupdate;
475 __entry->for_background = wbc->for_background;
476 __entry->for_reclaim = wbc->for_reclaim;
477 __entry->range_cyclic = wbc->range_cyclic;
478 __entry->range_start = (long)wbc->range_start;
479 __entry->range_end = (long)wbc->range_end;
480 __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
481 ),
482
483 TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d "
484 "bgrd=%d reclm=%d cyclic=%d "
485 "start=0x%lx end=0x%lx cgroup_ino=%lu",
486 __entry->name,
487 __entry->nr_to_write,
488 __entry->pages_skipped,
489 __entry->sync_mode,
490 __entry->for_kupdate,
491 __entry->for_background,
492 __entry->for_reclaim,
493 __entry->range_cyclic,
494 __entry->range_start,
495 __entry->range_end,
496 (unsigned long)__entry->cgroup_ino
497 )
498 )
499
500 #define DEFINE_WBC_EVENT(name) \
501 DEFINE_EVENT(wbc_class, name, \
502 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
503 TP_ARGS(wbc, bdi))
504 DEFINE_WBC_EVENT(wbc_writepage);
505
506 TRACE_EVENT(writeback_queue_io,
507 TP_PROTO(struct bdi_writeback *wb,
508 struct wb_writeback_work *work,
509 unsigned long dirtied_before,
510 int moved),
511 TP_ARGS(wb, work, dirtied_before, moved),
512 TP_STRUCT__entry(
513 __array(char, name, 32)
514 __field(unsigned long, older)
515 __field(long, age)
516 __field(int, moved)
517 __field(int, reason)
518 __field(ino_t, cgroup_ino)
519 ),
520 TP_fast_assign(
521 strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
522 __entry->older = dirtied_before;
523 __entry->age = (jiffies - dirtied_before) * 1000 / HZ;
524 __entry->moved = moved;
525 __entry->reason = work->reason;
526 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
527 ),
528 TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s cgroup_ino=%lu",
529 __entry->name,
530 __entry->older, /* dirtied_before in jiffies */
531 __entry->age, /* dirtied_before in relative milliseconds */
532 __entry->moved,
533 __print_symbolic(__entry->reason, WB_WORK_REASON),
534 (unsigned long)__entry->cgroup_ino
535 )
536 );
537
538 TRACE_EVENT(global_dirty_state,
539
540 TP_PROTO(unsigned long background_thresh,
541 unsigned long dirty_thresh
542 ),
543
544 TP_ARGS(background_thresh,
545 dirty_thresh
546 ),
547
548 TP_STRUCT__entry(
549 __field(unsigned long, nr_dirty)
550 __field(unsigned long, nr_writeback)
551 __field(unsigned long, background_thresh)
552 __field(unsigned long, dirty_thresh)
553 __field(unsigned long, dirty_limit)
554 __field(unsigned long, nr_dirtied)
555 __field(unsigned long, nr_written)
556 ),
557
558 TP_fast_assign(
559 __entry->nr_dirty = global_node_page_state(NR_FILE_DIRTY);
560 __entry->nr_writeback = global_node_page_state(NR_WRITEBACK);
561 __entry->nr_dirtied = global_node_page_state(NR_DIRTIED);
562 __entry->nr_written = global_node_page_state(NR_WRITTEN);
563 __entry->background_thresh = background_thresh;
564 __entry->dirty_thresh = dirty_thresh;
565 __entry->dirty_limit = global_wb_domain.dirty_limit;
566 ),
567
568 TP_printk("dirty=%lu writeback=%lu "
569 "bg_thresh=%lu thresh=%lu limit=%lu "
570 "dirtied=%lu written=%lu",
571 __entry->nr_dirty,
572 __entry->nr_writeback,
573 __entry->background_thresh,
574 __entry->dirty_thresh,
575 __entry->dirty_limit,
576 __entry->nr_dirtied,
577 __entry->nr_written
578 )
579 );
580
581 #define KBps(x) ((x) << (PAGE_SHIFT - 10))
582
583 TRACE_EVENT(bdi_dirty_ratelimit,
584
585 TP_PROTO(struct bdi_writeback *wb,
586 unsigned long dirty_rate,
587 unsigned long task_ratelimit),
588
589 TP_ARGS(wb, dirty_rate, task_ratelimit),
590
591 TP_STRUCT__entry(
592 __array(char, bdi, 32)
593 __field(unsigned long, write_bw)
594 __field(unsigned long, avg_write_bw)
595 __field(unsigned long, dirty_rate)
596 __field(unsigned long, dirty_ratelimit)
597 __field(unsigned long, task_ratelimit)
598 __field(unsigned long, balanced_dirty_ratelimit)
599 __field(ino_t, cgroup_ino)
600 ),
601
602 TP_fast_assign(
603 strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32);
604 __entry->write_bw = KBps(wb->write_bandwidth);
605 __entry->avg_write_bw = KBps(wb->avg_write_bandwidth);
606 __entry->dirty_rate = KBps(dirty_rate);
607 __entry->dirty_ratelimit = KBps(wb->dirty_ratelimit);
608 __entry->task_ratelimit = KBps(task_ratelimit);
609 __entry->balanced_dirty_ratelimit =
610 KBps(wb->balanced_dirty_ratelimit);
611 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
612 ),
613
614 TP_printk("bdi %s: "
615 "write_bw=%lu awrite_bw=%lu dirty_rate=%lu "
616 "dirty_ratelimit=%lu task_ratelimit=%lu "
617 "balanced_dirty_ratelimit=%lu cgroup_ino=%lu",
618 __entry->bdi,
619 __entry->write_bw, /* write bandwidth */
620 __entry->avg_write_bw, /* avg write bandwidth */
621 __entry->dirty_rate, /* bdi dirty rate */
622 __entry->dirty_ratelimit, /* base ratelimit */
623 __entry->task_ratelimit, /* ratelimit with position control */
624 __entry->balanced_dirty_ratelimit, /* the balanced ratelimit */
625 (unsigned long)__entry->cgroup_ino
626 )
627 );
628
629 TRACE_EVENT(balance_dirty_pages,
630
631 TP_PROTO(struct bdi_writeback *wb,
632 unsigned long thresh,
633 unsigned long bg_thresh,
634 unsigned long dirty,
635 unsigned long bdi_thresh,
636 unsigned long bdi_dirty,
637 unsigned long dirty_ratelimit,
638 unsigned long task_ratelimit,
639 unsigned long dirtied,
640 unsigned long period,
641 long pause,
642 unsigned long start_time),
643
644 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
645 dirty_ratelimit, task_ratelimit,
646 dirtied, period, pause, start_time),
647
648 TP_STRUCT__entry(
649 __array( char, bdi, 32)
650 __field(unsigned long, limit)
651 __field(unsigned long, setpoint)
652 __field(unsigned long, dirty)
653 __field(unsigned long, bdi_setpoint)
654 __field(unsigned long, bdi_dirty)
655 __field(unsigned long, dirty_ratelimit)
656 __field(unsigned long, task_ratelimit)
657 __field(unsigned int, dirtied)
658 __field(unsigned int, dirtied_pause)
659 __field(unsigned long, paused)
660 __field( long, pause)
661 __field(unsigned long, period)
662 __field( long, think)
663 __field(ino_t, cgroup_ino)
664 ),
665
666 TP_fast_assign(
667 unsigned long freerun = (thresh + bg_thresh) / 2;
668 strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32);
669
670 __entry->limit = global_wb_domain.dirty_limit;
671 __entry->setpoint = (global_wb_domain.dirty_limit +
672 freerun) / 2;
673 __entry->dirty = dirty;
674 __entry->bdi_setpoint = __entry->setpoint *
675 bdi_thresh / (thresh + 1);
676 __entry->bdi_dirty = bdi_dirty;
677 __entry->dirty_ratelimit = KBps(dirty_ratelimit);
678 __entry->task_ratelimit = KBps(task_ratelimit);
679 __entry->dirtied = dirtied;
680 __entry->dirtied_pause = current->nr_dirtied_pause;
681 __entry->think = current->dirty_paused_when == 0 ? 0 :
682 (long)(jiffies - current->dirty_paused_when) * 1000/HZ;
683 __entry->period = period * 1000 / HZ;
684 __entry->pause = pause * 1000 / HZ;
685 __entry->paused = (jiffies - start_time) * 1000 / HZ;
686 __entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
687 ),
688
689
690 TP_printk("bdi %s: "
691 "limit=%lu setpoint=%lu dirty=%lu "
692 "bdi_setpoint=%lu bdi_dirty=%lu "
693 "dirty_ratelimit=%lu task_ratelimit=%lu "
694 "dirtied=%u dirtied_pause=%u "
695 "paused=%lu pause=%ld period=%lu think=%ld cgroup_ino=%lu",
696 __entry->bdi,
697 __entry->limit,
698 __entry->setpoint,
699 __entry->dirty,
700 __entry->bdi_setpoint,
701 __entry->bdi_dirty,
702 __entry->dirty_ratelimit,
703 __entry->task_ratelimit,
704 __entry->dirtied,
705 __entry->dirtied_pause,
706 __entry->paused, /* ms */
707 __entry->pause, /* ms */
708 __entry->period, /* ms */
709 __entry->think, /* ms */
710 (unsigned long)__entry->cgroup_ino
711 )
712 );
713
714 TRACE_EVENT(writeback_sb_inodes_requeue,
715
716 TP_PROTO(struct inode *inode),
717 TP_ARGS(inode),
718
719 TP_STRUCT__entry(
720 __array(char, name, 32)
721 __field(ino_t, ino)
722 __field(unsigned long, state)
723 __field(unsigned long, dirtied_when)
724 __field(ino_t, cgroup_ino)
725 ),
726
727 TP_fast_assign(
728 strscpy_pad(__entry->name,
729 bdi_dev_name(inode_to_bdi(inode)), 32);
730 __entry->ino = inode->i_ino;
731 __entry->state = inode->i_state;
732 __entry->dirtied_when = inode->dirtied_when;
733 __entry->cgroup_ino = __trace_wb_assign_cgroup(inode_to_wb(inode));
734 ),
735
736 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu cgroup_ino=%lu",
737 __entry->name,
738 (unsigned long)__entry->ino,
739 show_inode_state(__entry->state),
740 __entry->dirtied_when,
741 (jiffies - __entry->dirtied_when) / HZ,
742 (unsigned long)__entry->cgroup_ino
743 )
744 );
745
746 DECLARE_EVENT_CLASS(writeback_single_inode_template,
747
748 TP_PROTO(struct inode *inode,
749 struct writeback_control *wbc,
750 unsigned long nr_to_write
751 ),
752
753 TP_ARGS(inode, wbc, nr_to_write),
754
755 TP_STRUCT__entry(
756 __array(char, name, 32)
757 __field(ino_t, ino)
758 __field(unsigned long, state)
759 __field(unsigned long, dirtied_when)
760 __field(unsigned long, writeback_index)
761 __field(long, nr_to_write)
762 __field(unsigned long, wrote)
763 __field(ino_t, cgroup_ino)
764 ),
765
766 TP_fast_assign(
767 strscpy_pad(__entry->name,
768 bdi_dev_name(inode_to_bdi(inode)), 32);
769 __entry->ino = inode->i_ino;
770 __entry->state = inode->i_state;
771 __entry->dirtied_when = inode->dirtied_when;
772 __entry->writeback_index = inode->i_mapping->writeback_index;
773 __entry->nr_to_write = nr_to_write;
774 __entry->wrote = nr_to_write - wbc->nr_to_write;
775 __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
776 ),
777
778 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu "
779 "index=%lu to_write=%ld wrote=%lu cgroup_ino=%lu",
780 __entry->name,
781 (unsigned long)__entry->ino,
782 show_inode_state(__entry->state),
783 __entry->dirtied_when,
784 (jiffies - __entry->dirtied_when) / HZ,
785 __entry->writeback_index,
786 __entry->nr_to_write,
787 __entry->wrote,
788 (unsigned long)__entry->cgroup_ino
789 )
790 );
791
792 DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start,
793 TP_PROTO(struct inode *inode,
794 struct writeback_control *wbc,
795 unsigned long nr_to_write),
796 TP_ARGS(inode, wbc, nr_to_write)
797 );
798
799 DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode,
800 TP_PROTO(struct inode *inode,
801 struct writeback_control *wbc,
802 unsigned long nr_to_write),
803 TP_ARGS(inode, wbc, nr_to_write)
804 );
805
806 DECLARE_EVENT_CLASS(writeback_inode_template,
807 TP_PROTO(struct inode *inode),
808
809 TP_ARGS(inode),
810
811 TP_STRUCT__entry(
812 __field( dev_t, dev )
813 __field( ino_t, ino )
814 __field(unsigned long, state )
815 __field( __u16, mode )
816 __field(unsigned long, dirtied_when )
817 ),
818
819 TP_fast_assign(
820 __entry->dev = inode->i_sb->s_dev;
821 __entry->ino = inode->i_ino;
822 __entry->state = inode->i_state;
823 __entry->mode = inode->i_mode;
824 __entry->dirtied_when = inode->dirtied_when;
825 ),
826
827 TP_printk("dev %d,%d ino %lu dirtied %lu state %s mode 0%o",
828 MAJOR(__entry->dev), MINOR(__entry->dev),
829 (unsigned long)__entry->ino, __entry->dirtied_when,
830 show_inode_state(__entry->state), __entry->mode)
831 );
832
833 DEFINE_EVENT(writeback_inode_template, writeback_lazytime,
834 TP_PROTO(struct inode *inode),
835
836 TP_ARGS(inode)
837 );
838
839 DEFINE_EVENT(writeback_inode_template, writeback_lazytime_iput,
840 TP_PROTO(struct inode *inode),
841
842 TP_ARGS(inode)
843 );
844
845 DEFINE_EVENT(writeback_inode_template, writeback_dirty_inode_enqueue,
846
847 TP_PROTO(struct inode *inode),
848
849 TP_ARGS(inode)
850 );
851
852 /*
853 * Inode writeback list tracking.
854 */
855
856 DEFINE_EVENT(writeback_inode_template, sb_mark_inode_writeback,
857 TP_PROTO(struct inode *inode),
858 TP_ARGS(inode)
859 );
860
861 DEFINE_EVENT(writeback_inode_template, sb_clear_inode_writeback,
862 TP_PROTO(struct inode *inode),
863 TP_ARGS(inode)
864 );
865
866 #endif /* _TRACE_WRITEBACK_H */
867
868 /* This part must be outside protection */
869 #include <trace/define_trace.h>
Kernel DRM miscellaneous fixes and cross-tree changes