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455b2864 DC |
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/backing-dev.h> | |
8 | #include <linux/writeback.h> | |
9 | ||
251d6a47 WF |
10 | #define show_inode_state(state) \ |
11 | __print_flags(state, "|", \ | |
12 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
13 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
14 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
15 | {I_NEW, "I_NEW"}, \ | |
16 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
17 | {I_FREEING, "I_FREEING"}, \ | |
18 | {I_CLEAR, "I_CLEAR"}, \ | |
19 | {I_SYNC, "I_SYNC"}, \ | |
20 | {I_REFERENCED, "I_REFERENCED"} \ | |
21 | ) | |
22 | ||
b3bba872 WF |
23 | #define WB_WORK_REASON \ |
24 | {WB_REASON_BACKGROUND, "background"}, \ | |
25 | {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \ | |
26 | {WB_REASON_SYNC, "sync"}, \ | |
27 | {WB_REASON_PERIODIC, "periodic"}, \ | |
28 | {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \ | |
29 | {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \ | |
30 | {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \ | |
31 | {WB_REASON_FORKER_THREAD, "forker_thread"} | |
32 | ||
455b2864 DC |
33 | struct wb_writeback_work; |
34 | ||
9fb0a7da TH |
35 | TRACE_EVENT(writeback_dirty_page, |
36 | ||
37 | TP_PROTO(struct page *page, struct address_space *mapping), | |
38 | ||
39 | TP_ARGS(page, mapping), | |
40 | ||
41 | TP_STRUCT__entry ( | |
42 | __array(char, name, 32) | |
43 | __field(unsigned long, ino) | |
44 | __field(pgoff_t, index) | |
45 | ), | |
46 | ||
47 | TP_fast_assign( | |
48 | strncpy(__entry->name, | |
49 | mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32); | |
50 | __entry->ino = mapping ? mapping->host->i_ino : 0; | |
51 | __entry->index = page->index; | |
52 | ), | |
53 | ||
54 | TP_printk("bdi %s: ino=%lu index=%lu", | |
55 | __entry->name, | |
56 | __entry->ino, | |
57 | __entry->index | |
58 | ) | |
59 | ); | |
60 | ||
61 | DECLARE_EVENT_CLASS(writeback_dirty_inode_template, | |
62 | ||
63 | TP_PROTO(struct inode *inode, int flags), | |
64 | ||
65 | TP_ARGS(inode, flags), | |
66 | ||
67 | TP_STRUCT__entry ( | |
68 | __array(char, name, 32) | |
69 | __field(unsigned long, ino) | |
70 | __field(unsigned long, flags) | |
71 | ), | |
72 | ||
73 | TP_fast_assign( | |
74 | struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info; | |
75 | ||
76 | /* may be called for files on pseudo FSes w/ unregistered bdi */ | |
77 | strncpy(__entry->name, | |
78 | bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); | |
79 | __entry->ino = inode->i_ino; | |
80 | __entry->flags = flags; | |
81 | ), | |
82 | ||
83 | TP_printk("bdi %s: ino=%lu flags=%s", | |
84 | __entry->name, | |
85 | __entry->ino, | |
86 | show_inode_state(__entry->flags) | |
87 | ) | |
88 | ); | |
89 | ||
90 | DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start, | |
91 | ||
92 | TP_PROTO(struct inode *inode, int flags), | |
93 | ||
94 | TP_ARGS(inode, flags) | |
95 | ); | |
96 | ||
97 | DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode, | |
98 | ||
99 | TP_PROTO(struct inode *inode, int flags), | |
100 | ||
101 | TP_ARGS(inode, flags) | |
102 | ); | |
103 | ||
104 | DECLARE_EVENT_CLASS(writeback_write_inode_template, | |
105 | ||
106 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
107 | ||
108 | TP_ARGS(inode, wbc), | |
109 | ||
110 | TP_STRUCT__entry ( | |
111 | __array(char, name, 32) | |
112 | __field(unsigned long, ino) | |
113 | __field(int, sync_mode) | |
114 | ), | |
115 | ||
116 | TP_fast_assign( | |
117 | strncpy(__entry->name, | |
118 | dev_name(inode->i_mapping->backing_dev_info->dev), 32); | |
119 | __entry->ino = inode->i_ino; | |
120 | __entry->sync_mode = wbc->sync_mode; | |
121 | ), | |
122 | ||
123 | TP_printk("bdi %s: ino=%lu sync_mode=%d", | |
124 | __entry->name, | |
125 | __entry->ino, | |
126 | __entry->sync_mode | |
127 | ) | |
128 | ); | |
129 | ||
130 | DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode_start, | |
131 | ||
132 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
133 | ||
134 | TP_ARGS(inode, wbc) | |
135 | ); | |
136 | ||
137 | DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode, | |
138 | ||
139 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
140 | ||
141 | TP_ARGS(inode, wbc) | |
142 | ); | |
143 | ||
455b2864 DC |
144 | DECLARE_EVENT_CLASS(writeback_work_class, |
145 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), | |
146 | TP_ARGS(bdi, work), | |
147 | TP_STRUCT__entry( | |
148 | __array(char, name, 32) | |
149 | __field(long, nr_pages) | |
150 | __field(dev_t, sb_dev) | |
151 | __field(int, sync_mode) | |
152 | __field(int, for_kupdate) | |
153 | __field(int, range_cyclic) | |
154 | __field(int, for_background) | |
0e175a18 | 155 | __field(int, reason) |
455b2864 DC |
156 | ), |
157 | TP_fast_assign( | |
977b7e3a WF |
158 | struct device *dev = bdi->dev; |
159 | if (!dev) | |
160 | dev = default_backing_dev_info.dev; | |
161 | strncpy(__entry->name, dev_name(dev), 32); | |
455b2864 DC |
162 | __entry->nr_pages = work->nr_pages; |
163 | __entry->sb_dev = work->sb ? work->sb->s_dev : 0; | |
164 | __entry->sync_mode = work->sync_mode; | |
165 | __entry->for_kupdate = work->for_kupdate; | |
166 | __entry->range_cyclic = work->range_cyclic; | |
167 | __entry->for_background = work->for_background; | |
0e175a18 | 168 | __entry->reason = work->reason; |
455b2864 DC |
169 | ), |
170 | TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " | |
0e175a18 | 171 | "kupdate=%d range_cyclic=%d background=%d reason=%s", |
455b2864 DC |
172 | __entry->name, |
173 | MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), | |
174 | __entry->nr_pages, | |
175 | __entry->sync_mode, | |
176 | __entry->for_kupdate, | |
177 | __entry->range_cyclic, | |
0e175a18 | 178 | __entry->for_background, |
b3bba872 | 179 | __print_symbolic(__entry->reason, WB_WORK_REASON) |
455b2864 DC |
180 | ) |
181 | ); | |
182 | #define DEFINE_WRITEBACK_WORK_EVENT(name) \ | |
183 | DEFINE_EVENT(writeback_work_class, name, \ | |
184 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ | |
185 | TP_ARGS(bdi, work)) | |
455b2864 DC |
186 | DEFINE_WRITEBACK_WORK_EVENT(writeback_queue); |
187 | DEFINE_WRITEBACK_WORK_EVENT(writeback_exec); | |
d46db3d5 WF |
188 | DEFINE_WRITEBACK_WORK_EVENT(writeback_start); |
189 | DEFINE_WRITEBACK_WORK_EVENT(writeback_written); | |
190 | DEFINE_WRITEBACK_WORK_EVENT(writeback_wait); | |
455b2864 DC |
191 | |
192 | TRACE_EVENT(writeback_pages_written, | |
193 | TP_PROTO(long pages_written), | |
194 | TP_ARGS(pages_written), | |
195 | TP_STRUCT__entry( | |
196 | __field(long, pages) | |
197 | ), | |
198 | TP_fast_assign( | |
199 | __entry->pages = pages_written; | |
200 | ), | |
201 | TP_printk("%ld", __entry->pages) | |
202 | ); | |
203 | ||
204 | DECLARE_EVENT_CLASS(writeback_class, | |
205 | TP_PROTO(struct backing_dev_info *bdi), | |
206 | TP_ARGS(bdi), | |
207 | TP_STRUCT__entry( | |
208 | __array(char, name, 32) | |
209 | ), | |
210 | TP_fast_assign( | |
211 | strncpy(__entry->name, dev_name(bdi->dev), 32); | |
212 | ), | |
213 | TP_printk("bdi %s", | |
214 | __entry->name | |
215 | ) | |
216 | ); | |
217 | #define DEFINE_WRITEBACK_EVENT(name) \ | |
218 | DEFINE_EVENT(writeback_class, name, \ | |
219 | TP_PROTO(struct backing_dev_info *bdi), \ | |
220 | TP_ARGS(bdi)) | |
221 | ||
222 | DEFINE_WRITEBACK_EVENT(writeback_nowork); | |
71927e84 | 223 | DEFINE_WRITEBACK_EVENT(writeback_wake_background); |
455b2864 DC |
224 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register); |
225 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister); | |
455b2864 | 226 | |
028c2dd1 DC |
227 | DECLARE_EVENT_CLASS(wbc_class, |
228 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), | |
229 | TP_ARGS(wbc, bdi), | |
230 | TP_STRUCT__entry( | |
231 | __array(char, name, 32) | |
232 | __field(long, nr_to_write) | |
233 | __field(long, pages_skipped) | |
234 | __field(int, sync_mode) | |
028c2dd1 DC |
235 | __field(int, for_kupdate) |
236 | __field(int, for_background) | |
237 | __field(int, for_reclaim) | |
238 | __field(int, range_cyclic) | |
028c2dd1 DC |
239 | __field(long, range_start) |
240 | __field(long, range_end) | |
241 | ), | |
242 | ||
243 | TP_fast_assign( | |
244 | strncpy(__entry->name, dev_name(bdi->dev), 32); | |
245 | __entry->nr_to_write = wbc->nr_to_write; | |
246 | __entry->pages_skipped = wbc->pages_skipped; | |
247 | __entry->sync_mode = wbc->sync_mode; | |
248 | __entry->for_kupdate = wbc->for_kupdate; | |
249 | __entry->for_background = wbc->for_background; | |
250 | __entry->for_reclaim = wbc->for_reclaim; | |
251 | __entry->range_cyclic = wbc->range_cyclic; | |
028c2dd1 DC |
252 | __entry->range_start = (long)wbc->range_start; |
253 | __entry->range_end = (long)wbc->range_end; | |
254 | ), | |
255 | ||
256 | TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " | |
d46db3d5 | 257 | "bgrd=%d reclm=%d cyclic=%d " |
028c2dd1 DC |
258 | "start=0x%lx end=0x%lx", |
259 | __entry->name, | |
260 | __entry->nr_to_write, | |
261 | __entry->pages_skipped, | |
262 | __entry->sync_mode, | |
263 | __entry->for_kupdate, | |
264 | __entry->for_background, | |
265 | __entry->for_reclaim, | |
266 | __entry->range_cyclic, | |
028c2dd1 DC |
267 | __entry->range_start, |
268 | __entry->range_end) | |
269 | ) | |
270 | ||
271 | #define DEFINE_WBC_EVENT(name) \ | |
272 | DEFINE_EVENT(wbc_class, name, \ | |
273 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ | |
274 | TP_ARGS(wbc, bdi)) | |
9e094383 | 275 | DEFINE_WBC_EVENT(wbc_writepage); |
028c2dd1 | 276 | |
e84d0a4f WF |
277 | TRACE_EVENT(writeback_queue_io, |
278 | TP_PROTO(struct bdi_writeback *wb, | |
ad4e38dd | 279 | struct wb_writeback_work *work, |
e84d0a4f | 280 | int moved), |
ad4e38dd | 281 | TP_ARGS(wb, work, moved), |
e84d0a4f WF |
282 | TP_STRUCT__entry( |
283 | __array(char, name, 32) | |
284 | __field(unsigned long, older) | |
285 | __field(long, age) | |
286 | __field(int, moved) | |
0e175a18 | 287 | __field(int, reason) |
e84d0a4f WF |
288 | ), |
289 | TP_fast_assign( | |
0dc83bd3 | 290 | unsigned long *older_than_this = work->older_than_this; |
e84d0a4f | 291 | strncpy(__entry->name, dev_name(wb->bdi->dev), 32); |
0dc83bd3 | 292 | __entry->older = older_than_this ? *older_than_this : 0; |
e84d0a4f | 293 | __entry->age = older_than_this ? |
0dc83bd3 | 294 | (jiffies - *older_than_this) * 1000 / HZ : -1; |
e84d0a4f | 295 | __entry->moved = moved; |
0e175a18 | 296 | __entry->reason = work->reason; |
e84d0a4f | 297 | ), |
0e175a18 | 298 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s", |
e84d0a4f WF |
299 | __entry->name, |
300 | __entry->older, /* older_than_this in jiffies */ | |
301 | __entry->age, /* older_than_this in relative milliseconds */ | |
0e175a18 | 302 | __entry->moved, |
b3bba872 WF |
303 | __print_symbolic(__entry->reason, WB_WORK_REASON) |
304 | ) | |
e84d0a4f WF |
305 | ); |
306 | ||
e1cbe236 WF |
307 | TRACE_EVENT(global_dirty_state, |
308 | ||
309 | TP_PROTO(unsigned long background_thresh, | |
310 | unsigned long dirty_thresh | |
311 | ), | |
312 | ||
313 | TP_ARGS(background_thresh, | |
314 | dirty_thresh | |
315 | ), | |
316 | ||
317 | TP_STRUCT__entry( | |
318 | __field(unsigned long, nr_dirty) | |
319 | __field(unsigned long, nr_writeback) | |
320 | __field(unsigned long, nr_unstable) | |
321 | __field(unsigned long, background_thresh) | |
322 | __field(unsigned long, dirty_thresh) | |
323 | __field(unsigned long, dirty_limit) | |
324 | __field(unsigned long, nr_dirtied) | |
325 | __field(unsigned long, nr_written) | |
326 | ), | |
327 | ||
328 | TP_fast_assign( | |
329 | __entry->nr_dirty = global_page_state(NR_FILE_DIRTY); | |
330 | __entry->nr_writeback = global_page_state(NR_WRITEBACK); | |
331 | __entry->nr_unstable = global_page_state(NR_UNSTABLE_NFS); | |
332 | __entry->nr_dirtied = global_page_state(NR_DIRTIED); | |
333 | __entry->nr_written = global_page_state(NR_WRITTEN); | |
334 | __entry->background_thresh = background_thresh; | |
335 | __entry->dirty_thresh = dirty_thresh; | |
336 | __entry->dirty_limit = global_dirty_limit; | |
337 | ), | |
338 | ||
339 | TP_printk("dirty=%lu writeback=%lu unstable=%lu " | |
340 | "bg_thresh=%lu thresh=%lu limit=%lu " | |
341 | "dirtied=%lu written=%lu", | |
342 | __entry->nr_dirty, | |
343 | __entry->nr_writeback, | |
344 | __entry->nr_unstable, | |
345 | __entry->background_thresh, | |
346 | __entry->dirty_thresh, | |
347 | __entry->dirty_limit, | |
348 | __entry->nr_dirtied, | |
349 | __entry->nr_written | |
350 | ) | |
351 | ); | |
352 | ||
b48c104d WF |
353 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) |
354 | ||
355 | TRACE_EVENT(bdi_dirty_ratelimit, | |
356 | ||
357 | TP_PROTO(struct backing_dev_info *bdi, | |
358 | unsigned long dirty_rate, | |
359 | unsigned long task_ratelimit), | |
360 | ||
361 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
362 | ||
363 | TP_STRUCT__entry( | |
364 | __array(char, bdi, 32) | |
365 | __field(unsigned long, write_bw) | |
366 | __field(unsigned long, avg_write_bw) | |
367 | __field(unsigned long, dirty_rate) | |
368 | __field(unsigned long, dirty_ratelimit) | |
369 | __field(unsigned long, task_ratelimit) | |
370 | __field(unsigned long, balanced_dirty_ratelimit) | |
371 | ), | |
372 | ||
373 | TP_fast_assign( | |
374 | strlcpy(__entry->bdi, dev_name(bdi->dev), 32); | |
375 | __entry->write_bw = KBps(bdi->write_bandwidth); | |
376 | __entry->avg_write_bw = KBps(bdi->avg_write_bandwidth); | |
377 | __entry->dirty_rate = KBps(dirty_rate); | |
378 | __entry->dirty_ratelimit = KBps(bdi->dirty_ratelimit); | |
379 | __entry->task_ratelimit = KBps(task_ratelimit); | |
380 | __entry->balanced_dirty_ratelimit = | |
381 | KBps(bdi->balanced_dirty_ratelimit); | |
382 | ), | |
383 | ||
384 | TP_printk("bdi %s: " | |
385 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
386 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
387 | "balanced_dirty_ratelimit=%lu", | |
388 | __entry->bdi, | |
389 | __entry->write_bw, /* write bandwidth */ | |
390 | __entry->avg_write_bw, /* avg write bandwidth */ | |
391 | __entry->dirty_rate, /* bdi dirty rate */ | |
392 | __entry->dirty_ratelimit, /* base ratelimit */ | |
393 | __entry->task_ratelimit, /* ratelimit with position control */ | |
394 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
395 | ) | |
396 | ); | |
397 | ||
ece13ac3 WF |
398 | TRACE_EVENT(balance_dirty_pages, |
399 | ||
400 | TP_PROTO(struct backing_dev_info *bdi, | |
401 | unsigned long thresh, | |
402 | unsigned long bg_thresh, | |
403 | unsigned long dirty, | |
404 | unsigned long bdi_thresh, | |
405 | unsigned long bdi_dirty, | |
406 | unsigned long dirty_ratelimit, | |
407 | unsigned long task_ratelimit, | |
408 | unsigned long dirtied, | |
83712358 | 409 | unsigned long period, |
ece13ac3 WF |
410 | long pause, |
411 | unsigned long start_time), | |
412 | ||
413 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
414 | dirty_ratelimit, task_ratelimit, | |
83712358 | 415 | dirtied, period, pause, start_time), |
ece13ac3 WF |
416 | |
417 | TP_STRUCT__entry( | |
418 | __array( char, bdi, 32) | |
419 | __field(unsigned long, limit) | |
420 | __field(unsigned long, setpoint) | |
421 | __field(unsigned long, dirty) | |
422 | __field(unsigned long, bdi_setpoint) | |
423 | __field(unsigned long, bdi_dirty) | |
424 | __field(unsigned long, dirty_ratelimit) | |
425 | __field(unsigned long, task_ratelimit) | |
426 | __field(unsigned int, dirtied) | |
427 | __field(unsigned int, dirtied_pause) | |
428 | __field(unsigned long, paused) | |
429 | __field( long, pause) | |
83712358 WF |
430 | __field(unsigned long, period) |
431 | __field( long, think) | |
ece13ac3 WF |
432 | ), |
433 | ||
434 | TP_fast_assign( | |
435 | unsigned long freerun = (thresh + bg_thresh) / 2; | |
436 | strlcpy(__entry->bdi, dev_name(bdi->dev), 32); | |
437 | ||
438 | __entry->limit = global_dirty_limit; | |
439 | __entry->setpoint = (global_dirty_limit + freerun) / 2; | |
440 | __entry->dirty = dirty; | |
441 | __entry->bdi_setpoint = __entry->setpoint * | |
442 | bdi_thresh / (thresh + 1); | |
443 | __entry->bdi_dirty = bdi_dirty; | |
444 | __entry->dirty_ratelimit = KBps(dirty_ratelimit); | |
445 | __entry->task_ratelimit = KBps(task_ratelimit); | |
446 | __entry->dirtied = dirtied; | |
447 | __entry->dirtied_pause = current->nr_dirtied_pause; | |
83712358 WF |
448 | __entry->think = current->dirty_paused_when == 0 ? 0 : |
449 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ; | |
450 | __entry->period = period * 1000 / HZ; | |
ece13ac3 WF |
451 | __entry->pause = pause * 1000 / HZ; |
452 | __entry->paused = (jiffies - start_time) * 1000 / HZ; | |
453 | ), | |
454 | ||
455 | ||
456 | TP_printk("bdi %s: " | |
457 | "limit=%lu setpoint=%lu dirty=%lu " | |
458 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
459 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
460 | "dirtied=%u dirtied_pause=%u " | |
83712358 | 461 | "paused=%lu pause=%ld period=%lu think=%ld", |
ece13ac3 WF |
462 | __entry->bdi, |
463 | __entry->limit, | |
464 | __entry->setpoint, | |
465 | __entry->dirty, | |
466 | __entry->bdi_setpoint, | |
467 | __entry->bdi_dirty, | |
468 | __entry->dirty_ratelimit, | |
469 | __entry->task_ratelimit, | |
470 | __entry->dirtied, | |
471 | __entry->dirtied_pause, | |
472 | __entry->paused, /* ms */ | |
83712358 WF |
473 | __entry->pause, /* ms */ |
474 | __entry->period, /* ms */ | |
475 | __entry->think /* ms */ | |
ece13ac3 WF |
476 | ) |
477 | ); | |
478 | ||
cc1676d9 JK |
479 | TRACE_EVENT(writeback_sb_inodes_requeue, |
480 | ||
481 | TP_PROTO(struct inode *inode), | |
482 | TP_ARGS(inode), | |
483 | ||
484 | TP_STRUCT__entry( | |
485 | __array(char, name, 32) | |
486 | __field(unsigned long, ino) | |
487 | __field(unsigned long, state) | |
488 | __field(unsigned long, dirtied_when) | |
489 | ), | |
490 | ||
491 | TP_fast_assign( | |
492 | strncpy(__entry->name, | |
493 | dev_name(inode_to_bdi(inode)->dev), 32); | |
494 | __entry->ino = inode->i_ino; | |
495 | __entry->state = inode->i_state; | |
496 | __entry->dirtied_when = inode->dirtied_when; | |
497 | ), | |
498 | ||
499 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
500 | __entry->name, | |
501 | __entry->ino, | |
502 | show_inode_state(__entry->state), | |
503 | __entry->dirtied_when, | |
504 | (jiffies - __entry->dirtied_when) / HZ | |
505 | ) | |
506 | ); | |
507 | ||
52bb9198 MG |
508 | DECLARE_EVENT_CLASS(writeback_congest_waited_template, |
509 | ||
510 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
511 | ||
512 | TP_ARGS(usec_timeout, usec_delayed), | |
513 | ||
514 | TP_STRUCT__entry( | |
515 | __field( unsigned int, usec_timeout ) | |
516 | __field( unsigned int, usec_delayed ) | |
517 | ), | |
518 | ||
519 | TP_fast_assign( | |
520 | __entry->usec_timeout = usec_timeout; | |
521 | __entry->usec_delayed = usec_delayed; | |
522 | ), | |
523 | ||
524 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
525 | __entry->usec_timeout, | |
526 | __entry->usec_delayed) | |
527 | ); | |
528 | ||
529 | DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait, | |
530 | ||
531 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
532 | ||
533 | TP_ARGS(usec_timeout, usec_delayed) | |
534 | ); | |
535 | ||
0e093d99 MG |
536 | DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested, |
537 | ||
538 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
539 | ||
540 | TP_ARGS(usec_timeout, usec_delayed) | |
541 | ); | |
542 | ||
251d6a47 WF |
543 | DECLARE_EVENT_CLASS(writeback_single_inode_template, |
544 | ||
545 | TP_PROTO(struct inode *inode, | |
546 | struct writeback_control *wbc, | |
547 | unsigned long nr_to_write | |
548 | ), | |
549 | ||
550 | TP_ARGS(inode, wbc, nr_to_write), | |
551 | ||
552 | TP_STRUCT__entry( | |
553 | __array(char, name, 32) | |
554 | __field(unsigned long, ino) | |
555 | __field(unsigned long, state) | |
c8ad6206 | 556 | __field(unsigned long, dirtied_when) |
251d6a47 WF |
557 | __field(unsigned long, writeback_index) |
558 | __field(long, nr_to_write) | |
559 | __field(unsigned long, wrote) | |
560 | ), | |
561 | ||
562 | TP_fast_assign( | |
563 | strncpy(__entry->name, | |
15eb77a0 | 564 | dev_name(inode_to_bdi(inode)->dev), 32); |
251d6a47 WF |
565 | __entry->ino = inode->i_ino; |
566 | __entry->state = inode->i_state; | |
c8ad6206 | 567 | __entry->dirtied_when = inode->dirtied_when; |
251d6a47 WF |
568 | __entry->writeback_index = inode->i_mapping->writeback_index; |
569 | __entry->nr_to_write = nr_to_write; | |
570 | __entry->wrote = nr_to_write - wbc->nr_to_write; | |
571 | ), | |
572 | ||
c8ad6206 | 573 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " |
251d6a47 WF |
574 | "index=%lu to_write=%ld wrote=%lu", |
575 | __entry->name, | |
576 | __entry->ino, | |
577 | show_inode_state(__entry->state), | |
c8ad6206 WF |
578 | __entry->dirtied_when, |
579 | (jiffies - __entry->dirtied_when) / HZ, | |
251d6a47 WF |
580 | __entry->writeback_index, |
581 | __entry->nr_to_write, | |
582 | __entry->wrote | |
583 | ) | |
584 | ); | |
585 | ||
9fb0a7da TH |
586 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start, |
587 | TP_PROTO(struct inode *inode, | |
588 | struct writeback_control *wbc, | |
589 | unsigned long nr_to_write), | |
590 | TP_ARGS(inode, wbc, nr_to_write) | |
591 | ); | |
592 | ||
251d6a47 WF |
593 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode, |
594 | TP_PROTO(struct inode *inode, | |
595 | struct writeback_control *wbc, | |
596 | unsigned long nr_to_write), | |
597 | TP_ARGS(inode, wbc, nr_to_write) | |
598 | ); | |
599 | ||
455b2864 DC |
600 | #endif /* _TRACE_WRITEBACK_H */ |
601 | ||
602 | /* This part must be outside protection */ | |
603 | #include <trace/define_trace.h> |