Commit | Line | Data |
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b87700e3 AG |
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 | ||
aa634cd1 | 7 | #include <linux/tracepoint.h> |
b87700e3 AG |
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_REFERENCED, "I_REFERENCED"} \ | |
22 | ) | |
23 | ||
24 | #define WB_WORK_REASON \ | |
25 | {WB_REASON_BACKGROUND, "background"}, \ | |
26 | {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \ | |
27 | {WB_REASON_SYNC, "sync"}, \ | |
28 | {WB_REASON_PERIODIC, "periodic"}, \ | |
29 | {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \ | |
30 | {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \ | |
31 | {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \ | |
32 | {WB_REASON_FORKER_THREAD, "forker_thread"} | |
33 | ||
34 | struct wb_writeback_work; | |
35 | ||
aa634cd1 JD |
36 | TRACE_EVENT(writeback_dirty_page, |
37 | ||
38 | TP_PROTO(struct page *page, struct address_space *mapping), | |
39 | ||
40 | TP_ARGS(page, mapping), | |
41 | ||
42 | TP_STRUCT__entry ( | |
43 | __array(char, name, 32) | |
44 | __field(unsigned long, ino) | |
45 | __field(pgoff_t, index) | |
46 | ), | |
47 | ||
48 | TP_fast_assign( | |
49 | strncpy(__entry->name, | |
50 | mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32); | |
51 | __entry->ino = mapping ? mapping->host->i_ino : 0; | |
52 | __entry->index = page->index; | |
53 | ), | |
54 | ||
55 | TP_printk("bdi %s: ino=%lu index=%lu", | |
56 | __entry->name, | |
57 | __entry->ino, | |
58 | __entry->index | |
59 | ) | |
60 | ); | |
61 | ||
62 | DECLARE_EVENT_CLASS(writeback_dirty_inode_template, | |
63 | ||
64 | TP_PROTO(struct inode *inode, int flags), | |
65 | ||
66 | TP_ARGS(inode, flags), | |
67 | ||
68 | TP_STRUCT__entry ( | |
69 | __array(char, name, 32) | |
70 | __field(unsigned long, ino) | |
71 | __field(unsigned long, flags) | |
72 | ), | |
73 | ||
74 | TP_fast_assign( | |
75 | struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info; | |
76 | ||
77 | /* may be called for files on pseudo FSes w/ unregistered bdi */ | |
78 | strncpy(__entry->name, | |
79 | bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); | |
80 | __entry->ino = inode->i_ino; | |
81 | __entry->flags = flags; | |
82 | ), | |
83 | ||
84 | TP_printk("bdi %s: ino=%lu flags=%s", | |
85 | __entry->name, | |
86 | __entry->ino, | |
87 | show_inode_state(__entry->flags) | |
88 | ) | |
89 | ); | |
90 | ||
91 | DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start, | |
92 | ||
93 | TP_PROTO(struct inode *inode, int flags), | |
94 | ||
95 | TP_ARGS(inode, flags) | |
96 | ); | |
97 | ||
98 | DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode, | |
99 | ||
100 | TP_PROTO(struct inode *inode, int flags), | |
101 | ||
102 | TP_ARGS(inode, flags) | |
103 | ); | |
104 | ||
105 | DECLARE_EVENT_CLASS(writeback_write_inode_template, | |
106 | ||
107 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
108 | ||
109 | TP_ARGS(inode, wbc), | |
110 | ||
111 | TP_STRUCT__entry ( | |
112 | __array(char, name, 32) | |
113 | __field(unsigned long, ino) | |
114 | __field(int, sync_mode) | |
115 | ), | |
116 | ||
117 | TP_fast_assign( | |
118 | strncpy(__entry->name, | |
119 | dev_name(inode->i_mapping->backing_dev_info->dev), 32); | |
120 | __entry->ino = inode->i_ino; | |
121 | __entry->sync_mode = wbc->sync_mode; | |
122 | ), | |
123 | ||
124 | TP_printk("bdi %s: ino=%lu sync_mode=%d", | |
125 | __entry->name, | |
126 | __entry->ino, | |
127 | __entry->sync_mode | |
128 | ) | |
129 | ); | |
130 | ||
131 | DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode_start, | |
132 | ||
133 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
134 | ||
135 | TP_ARGS(inode, wbc) | |
136 | ); | |
137 | ||
138 | DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode, | |
139 | ||
140 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
141 | ||
142 | TP_ARGS(inode, wbc) | |
143 | ); | |
144 | ||
b87700e3 AG |
145 | DECLARE_EVENT_CLASS(writeback_work_class, |
146 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), | |
147 | TP_ARGS(bdi, work), | |
148 | TP_STRUCT__entry( | |
149 | __array(char, name, 32) | |
150 | __field(long, nr_pages) | |
151 | __field(dev_t, sb_dev) | |
152 | __field(int, sync_mode) | |
153 | __field(int, for_kupdate) | |
154 | __field(int, range_cyclic) | |
155 | __field(int, for_background) | |
156 | __field(int, reason) | |
157 | ), | |
158 | TP_fast_assign( | |
159 | struct device *dev = bdi->dev; | |
160 | if (!dev) | |
161 | dev = default_backing_dev_info.dev; | |
162 | strncpy(__entry->name, dev_name(dev), 32); | |
163 | __entry->nr_pages = work->nr_pages; | |
164 | __entry->sb_dev = work->sb ? work->sb->s_dev : 0; | |
165 | __entry->sync_mode = work->sync_mode; | |
166 | __entry->for_kupdate = work->for_kupdate; | |
167 | __entry->range_cyclic = work->range_cyclic; | |
168 | __entry->for_background = work->for_background; | |
169 | __entry->reason = work->reason; | |
170 | ), | |
171 | TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " | |
172 | "kupdate=%d range_cyclic=%d background=%d reason=%s", | |
173 | __entry->name, | |
174 | MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), | |
175 | __entry->nr_pages, | |
176 | __entry->sync_mode, | |
177 | __entry->for_kupdate, | |
178 | __entry->range_cyclic, | |
179 | __entry->for_background, | |
180 | __print_symbolic(__entry->reason, WB_WORK_REASON) | |
181 | ) | |
182 | ); | |
183 | #define DEFINE_WRITEBACK_WORK_EVENT(name) \ | |
184 | DEFINE_EVENT(writeback_work_class, name, \ | |
185 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ | |
186 | TP_ARGS(bdi, work)) | |
b87700e3 AG |
187 | DEFINE_WRITEBACK_WORK_EVENT(writeback_queue); |
188 | DEFINE_WRITEBACK_WORK_EVENT(writeback_exec); | |
189 | DEFINE_WRITEBACK_WORK_EVENT(writeback_start); | |
190 | DEFINE_WRITEBACK_WORK_EVENT(writeback_written); | |
191 | DEFINE_WRITEBACK_WORK_EVENT(writeback_wait); | |
192 | ||
193 | TRACE_EVENT(writeback_pages_written, | |
194 | TP_PROTO(long pages_written), | |
195 | TP_ARGS(pages_written), | |
196 | TP_STRUCT__entry( | |
197 | __field(long, pages) | |
198 | ), | |
199 | TP_fast_assign( | |
200 | __entry->pages = pages_written; | |
201 | ), | |
202 | TP_printk("%ld", __entry->pages) | |
203 | ); | |
204 | ||
205 | DECLARE_EVENT_CLASS(writeback_class, | |
206 | TP_PROTO(struct backing_dev_info *bdi), | |
207 | TP_ARGS(bdi), | |
208 | TP_STRUCT__entry( | |
209 | __array(char, name, 32) | |
210 | ), | |
211 | TP_fast_assign( | |
212 | strncpy(__entry->name, dev_name(bdi->dev), 32); | |
213 | ), | |
214 | TP_printk("bdi %s", | |
215 | __entry->name | |
216 | ) | |
217 | ); | |
218 | #define DEFINE_WRITEBACK_EVENT(name) \ | |
219 | DEFINE_EVENT(writeback_class, name, \ | |
220 | TP_PROTO(struct backing_dev_info *bdi), \ | |
221 | TP_ARGS(bdi)) | |
222 | ||
223 | DEFINE_WRITEBACK_EVENT(writeback_nowork); | |
224 | DEFINE_WRITEBACK_EVENT(writeback_wake_background); | |
b87700e3 AG |
225 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register); |
226 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister); | |
b87700e3 AG |
227 | |
228 | DECLARE_EVENT_CLASS(wbc_class, | |
229 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), | |
230 | TP_ARGS(wbc, bdi), | |
231 | TP_STRUCT__entry( | |
232 | __array(char, name, 32) | |
233 | __field(long, nr_to_write) | |
234 | __field(long, pages_skipped) | |
235 | __field(int, sync_mode) | |
236 | __field(int, for_kupdate) | |
237 | __field(int, for_background) | |
238 | __field(int, for_reclaim) | |
239 | __field(int, range_cyclic) | |
240 | __field(long, range_start) | |
241 | __field(long, range_end) | |
242 | ), | |
243 | ||
244 | TP_fast_assign( | |
245 | strncpy(__entry->name, dev_name(bdi->dev), 32); | |
246 | __entry->nr_to_write = wbc->nr_to_write; | |
247 | __entry->pages_skipped = wbc->pages_skipped; | |
248 | __entry->sync_mode = wbc->sync_mode; | |
249 | __entry->for_kupdate = wbc->for_kupdate; | |
250 | __entry->for_background = wbc->for_background; | |
251 | __entry->for_reclaim = wbc->for_reclaim; | |
252 | __entry->range_cyclic = wbc->range_cyclic; | |
253 | __entry->range_start = (long)wbc->range_start; | |
254 | __entry->range_end = (long)wbc->range_end; | |
255 | ), | |
256 | ||
257 | TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " | |
258 | "bgrd=%d reclm=%d cyclic=%d " | |
259 | "start=0x%lx end=0x%lx", | |
260 | __entry->name, | |
261 | __entry->nr_to_write, | |
262 | __entry->pages_skipped, | |
263 | __entry->sync_mode, | |
264 | __entry->for_kupdate, | |
265 | __entry->for_background, | |
266 | __entry->for_reclaim, | |
267 | __entry->range_cyclic, | |
268 | __entry->range_start, | |
269 | __entry->range_end) | |
270 | ) | |
271 | ||
272 | #define DEFINE_WBC_EVENT(name) \ | |
273 | DEFINE_EVENT(wbc_class, name, \ | |
274 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ | |
275 | TP_ARGS(wbc, bdi)) | |
276 | DEFINE_WBC_EVENT(wbc_writepage); | |
277 | ||
278 | TRACE_EVENT(writeback_queue_io, | |
279 | TP_PROTO(struct bdi_writeback *wb, | |
280 | struct wb_writeback_work *work, | |
281 | int moved), | |
282 | TP_ARGS(wb, work, moved), | |
283 | TP_STRUCT__entry( | |
284 | __array(char, name, 32) | |
285 | __field(unsigned long, older) | |
286 | __field(long, age) | |
287 | __field(int, moved) | |
288 | __field(int, reason) | |
289 | ), | |
290 | TP_fast_assign( | |
291 | unsigned long *older_than_this = work->older_than_this; | |
292 | strncpy(__entry->name, dev_name(wb->bdi->dev), 32); | |
293 | __entry->older = older_than_this ? *older_than_this : 0; | |
294 | __entry->age = older_than_this ? | |
295 | (jiffies - *older_than_this) * 1000 / HZ : -1; | |
296 | __entry->moved = moved; | |
297 | __entry->reason = work->reason; | |
298 | ), | |
299 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s", | |
300 | __entry->name, | |
301 | __entry->older, /* older_than_this in jiffies */ | |
302 | __entry->age, /* older_than_this in relative milliseconds */ | |
303 | __entry->moved, | |
304 | __print_symbolic(__entry->reason, WB_WORK_REASON) | |
305 | ) | |
306 | ); | |
307 | ||
308 | TRACE_EVENT(global_dirty_state, | |
309 | ||
310 | TP_PROTO(unsigned long background_thresh, | |
311 | unsigned long dirty_thresh | |
312 | ), | |
313 | ||
314 | TP_ARGS(background_thresh, | |
315 | dirty_thresh | |
316 | ), | |
317 | ||
318 | TP_STRUCT__entry( | |
319 | __field(unsigned long, nr_dirty) | |
320 | __field(unsigned long, nr_writeback) | |
321 | __field(unsigned long, nr_unstable) | |
322 | __field(unsigned long, background_thresh) | |
323 | __field(unsigned long, dirty_thresh) | |
324 | __field(unsigned long, dirty_limit) | |
325 | __field(unsigned long, nr_dirtied) | |
326 | __field(unsigned long, nr_written) | |
327 | ), | |
328 | ||
329 | TP_fast_assign( | |
330 | __entry->nr_dirty = global_page_state(NR_FILE_DIRTY); | |
331 | __entry->nr_writeback = global_page_state(NR_WRITEBACK); | |
332 | __entry->nr_unstable = global_page_state(NR_UNSTABLE_NFS); | |
333 | __entry->nr_dirtied = global_page_state(NR_DIRTIED); | |
334 | __entry->nr_written = global_page_state(NR_WRITTEN); | |
335 | __entry->background_thresh = background_thresh; | |
336 | __entry->dirty_thresh = dirty_thresh; | |
337 | __entry->dirty_limit = global_dirty_limit; | |
338 | ), | |
339 | ||
340 | TP_printk("dirty=%lu writeback=%lu unstable=%lu " | |
341 | "bg_thresh=%lu thresh=%lu limit=%lu " | |
342 | "dirtied=%lu written=%lu", | |
343 | __entry->nr_dirty, | |
344 | __entry->nr_writeback, | |
345 | __entry->nr_unstable, | |
346 | __entry->background_thresh, | |
347 | __entry->dirty_thresh, | |
348 | __entry->dirty_limit, | |
349 | __entry->nr_dirtied, | |
350 | __entry->nr_written | |
351 | ) | |
352 | ); | |
353 | ||
354 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
355 | ||
356 | TRACE_EVENT(bdi_dirty_ratelimit, | |
357 | ||
358 | TP_PROTO(struct backing_dev_info *bdi, | |
359 | unsigned long dirty_rate, | |
360 | unsigned long task_ratelimit), | |
361 | ||
362 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
363 | ||
364 | TP_STRUCT__entry( | |
365 | __array(char, bdi, 32) | |
366 | __field(unsigned long, write_bw) | |
367 | __field(unsigned long, avg_write_bw) | |
368 | __field(unsigned long, dirty_rate) | |
369 | __field(unsigned long, dirty_ratelimit) | |
370 | __field(unsigned long, task_ratelimit) | |
371 | __field(unsigned long, balanced_dirty_ratelimit) | |
372 | ), | |
373 | ||
374 | TP_fast_assign( | |
375 | strlcpy(__entry->bdi, dev_name(bdi->dev), 32); | |
376 | __entry->write_bw = KBps(bdi->write_bandwidth); | |
377 | __entry->avg_write_bw = KBps(bdi->avg_write_bandwidth); | |
378 | __entry->dirty_rate = KBps(dirty_rate); | |
379 | __entry->dirty_ratelimit = KBps(bdi->dirty_ratelimit); | |
380 | __entry->task_ratelimit = KBps(task_ratelimit); | |
381 | __entry->balanced_dirty_ratelimit = | |
382 | KBps(bdi->balanced_dirty_ratelimit); | |
383 | ), | |
384 | ||
385 | TP_printk("bdi %s: " | |
386 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
387 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
388 | "balanced_dirty_ratelimit=%lu", | |
389 | __entry->bdi, | |
390 | __entry->write_bw, /* write bandwidth */ | |
391 | __entry->avg_write_bw, /* avg write bandwidth */ | |
392 | __entry->dirty_rate, /* bdi dirty rate */ | |
393 | __entry->dirty_ratelimit, /* base ratelimit */ | |
394 | __entry->task_ratelimit, /* ratelimit with position control */ | |
395 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
396 | ) | |
397 | ); | |
398 | ||
399 | TRACE_EVENT(balance_dirty_pages, | |
400 | ||
401 | TP_PROTO(struct backing_dev_info *bdi, | |
402 | unsigned long thresh, | |
403 | unsigned long bg_thresh, | |
404 | unsigned long dirty, | |
405 | unsigned long bdi_thresh, | |
406 | unsigned long bdi_dirty, | |
407 | unsigned long dirty_ratelimit, | |
408 | unsigned long task_ratelimit, | |
409 | unsigned long dirtied, | |
410 | unsigned long period, | |
411 | long pause, | |
412 | unsigned long start_time), | |
413 | ||
414 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
415 | dirty_ratelimit, task_ratelimit, | |
416 | dirtied, period, pause, start_time), | |
417 | ||
418 | TP_STRUCT__entry( | |
419 | __array( char, bdi, 32) | |
420 | __field(unsigned long, limit) | |
421 | __field(unsigned long, setpoint) | |
422 | __field(unsigned long, dirty) | |
423 | __field(unsigned long, bdi_setpoint) | |
424 | __field(unsigned long, bdi_dirty) | |
425 | __field(unsigned long, dirty_ratelimit) | |
426 | __field(unsigned long, task_ratelimit) | |
427 | __field(unsigned int, dirtied) | |
428 | __field(unsigned int, dirtied_pause) | |
429 | __field(unsigned long, paused) | |
430 | __field( long, pause) | |
431 | __field(unsigned long, period) | |
432 | __field( long, think) | |
433 | ), | |
434 | ||
435 | TP_fast_assign( | |
436 | unsigned long freerun = (thresh + bg_thresh) / 2; | |
437 | strlcpy(__entry->bdi, dev_name(bdi->dev), 32); | |
438 | ||
439 | __entry->limit = global_dirty_limit; | |
440 | __entry->setpoint = (global_dirty_limit + freerun) / 2; | |
441 | __entry->dirty = dirty; | |
442 | __entry->bdi_setpoint = __entry->setpoint * | |
443 | bdi_thresh / (thresh + 1); | |
444 | __entry->bdi_dirty = bdi_dirty; | |
445 | __entry->dirty_ratelimit = KBps(dirty_ratelimit); | |
446 | __entry->task_ratelimit = KBps(task_ratelimit); | |
447 | __entry->dirtied = dirtied; | |
448 | __entry->dirtied_pause = current->nr_dirtied_pause; | |
449 | __entry->think = current->dirty_paused_when == 0 ? 0 : | |
450 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ; | |
451 | __entry->period = period * 1000 / HZ; | |
452 | __entry->pause = pause * 1000 / HZ; | |
453 | __entry->paused = (jiffies - start_time) * 1000 / HZ; | |
454 | ), | |
455 | ||
456 | ||
457 | TP_printk("bdi %s: " | |
458 | "limit=%lu setpoint=%lu dirty=%lu " | |
459 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
460 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
461 | "dirtied=%u dirtied_pause=%u " | |
462 | "paused=%lu pause=%ld period=%lu think=%ld", | |
463 | __entry->bdi, | |
464 | __entry->limit, | |
465 | __entry->setpoint, | |
466 | __entry->dirty, | |
467 | __entry->bdi_setpoint, | |
468 | __entry->bdi_dirty, | |
469 | __entry->dirty_ratelimit, | |
470 | __entry->task_ratelimit, | |
471 | __entry->dirtied, | |
472 | __entry->dirtied_pause, | |
473 | __entry->paused, /* ms */ | |
474 | __entry->pause, /* ms */ | |
475 | __entry->period, /* ms */ | |
476 | __entry->think /* ms */ | |
477 | ) | |
478 | ); | |
479 | ||
480 | TRACE_EVENT(writeback_sb_inodes_requeue, | |
481 | ||
482 | TP_PROTO(struct inode *inode), | |
483 | TP_ARGS(inode), | |
484 | ||
485 | TP_STRUCT__entry( | |
486 | __array(char, name, 32) | |
487 | __field(unsigned long, ino) | |
488 | __field(unsigned long, state) | |
489 | __field(unsigned long, dirtied_when) | |
490 | ), | |
491 | ||
492 | TP_fast_assign( | |
493 | strncpy(__entry->name, | |
494 | dev_name(inode_to_bdi(inode)->dev), 32); | |
495 | __entry->ino = inode->i_ino; | |
496 | __entry->state = inode->i_state; | |
497 | __entry->dirtied_when = inode->dirtied_when; | |
498 | ), | |
499 | ||
500 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
501 | __entry->name, | |
502 | __entry->ino, | |
503 | show_inode_state(__entry->state), | |
504 | __entry->dirtied_when, | |
505 | (jiffies - __entry->dirtied_when) / HZ | |
506 | ) | |
507 | ); | |
508 | ||
509 | DECLARE_EVENT_CLASS(writeback_congest_waited_template, | |
510 | ||
511 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
512 | ||
513 | TP_ARGS(usec_timeout, usec_delayed), | |
514 | ||
515 | TP_STRUCT__entry( | |
516 | __field( unsigned int, usec_timeout ) | |
517 | __field( unsigned int, usec_delayed ) | |
518 | ), | |
519 | ||
520 | TP_fast_assign( | |
521 | __entry->usec_timeout = usec_timeout; | |
522 | __entry->usec_delayed = usec_delayed; | |
523 | ), | |
524 | ||
525 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
526 | __entry->usec_timeout, | |
527 | __entry->usec_delayed) | |
528 | ); | |
529 | ||
530 | DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait, | |
531 | ||
532 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
533 | ||
534 | TP_ARGS(usec_timeout, usec_delayed) | |
535 | ); | |
536 | ||
537 | DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested, | |
538 | ||
539 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
540 | ||
541 | TP_ARGS(usec_timeout, usec_delayed) | |
542 | ); | |
543 | ||
544 | DECLARE_EVENT_CLASS(writeback_single_inode_template, | |
545 | ||
546 | TP_PROTO(struct inode *inode, | |
547 | struct writeback_control *wbc, | |
548 | unsigned long nr_to_write | |
549 | ), | |
550 | ||
551 | TP_ARGS(inode, wbc, nr_to_write), | |
552 | ||
553 | TP_STRUCT__entry( | |
554 | __array(char, name, 32) | |
555 | __field(unsigned long, ino) | |
556 | __field(unsigned long, state) | |
557 | __field(unsigned long, dirtied_when) | |
558 | __field(unsigned long, writeback_index) | |
559 | __field(long, nr_to_write) | |
560 | __field(unsigned long, wrote) | |
561 | ), | |
562 | ||
563 | TP_fast_assign( | |
564 | strncpy(__entry->name, | |
565 | dev_name(inode_to_bdi(inode)->dev), 32); | |
566 | __entry->ino = inode->i_ino; | |
567 | __entry->state = inode->i_state; | |
568 | __entry->dirtied_when = inode->dirtied_when; | |
569 | __entry->writeback_index = inode->i_mapping->writeback_index; | |
570 | __entry->nr_to_write = nr_to_write; | |
571 | __entry->wrote = nr_to_write - wbc->nr_to_write; | |
572 | ), | |
573 | ||
574 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " | |
575 | "index=%lu to_write=%ld wrote=%lu", | |
576 | __entry->name, | |
577 | __entry->ino, | |
578 | show_inode_state(__entry->state), | |
579 | __entry->dirtied_when, | |
580 | (jiffies - __entry->dirtied_when) / HZ, | |
581 | __entry->writeback_index, | |
582 | __entry->nr_to_write, | |
583 | __entry->wrote | |
584 | ) | |
585 | ); | |
586 | ||
aa634cd1 JD |
587 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start, |
588 | TP_PROTO(struct inode *inode, | |
589 | struct writeback_control *wbc, | |
590 | unsigned long nr_to_write), | |
591 | TP_ARGS(inode, wbc, nr_to_write) | |
592 | ); | |
593 | ||
b87700e3 AG |
594 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode, |
595 | TP_PROTO(struct inode *inode, | |
596 | struct writeback_control *wbc, | |
597 | unsigned long nr_to_write), | |
598 | TP_ARGS(inode, wbc, nr_to_write) | |
599 | ); | |
600 | ||
601 | #endif /* _TRACE_WRITEBACK_H */ | |
602 | ||
603 | /* This part must be outside protection */ | |
604 | #include <trace/define_trace.h> |