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Commit | Line | Data |
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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 | ||
f479447a | 7 | #include <linux/tracepoint.h> |
455b2864 DC |
8 | #include <linux/backing-dev.h> |
9 | #include <linux/writeback.h> | |
10 | ||
251d6a47 WF |
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"}, \ | |
0ae45f63 TT |
21 | {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ |
22 | {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \ | |
251d6a47 WF |
23 | {I_REFERENCED, "I_REFERENCED"} \ |
24 | ) | |
25 | ||
91df6089 SRRH |
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 | ||
b3bba872 | 32 | #define WB_WORK_REASON \ |
91df6089 SRRH |
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 } | |
b3bba872 | 52 | |
455b2864 DC |
53 | struct wb_writeback_work; |
54 | ||
9fb0a7da TH |
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, | |
de1414a6 | 69 | mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32); |
9fb0a7da TH |
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) | |
0ae45f63 | 90 | __field(unsigned long, state) |
9fb0a7da TH |
91 | __field(unsigned long, flags) |
92 | ), | |
93 | ||
94 | TP_fast_assign( | |
de1414a6 | 95 | struct backing_dev_info *bdi = inode_to_bdi(inode); |
9fb0a7da TH |
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; | |
0ae45f63 | 101 | __entry->state = inode->i_state; |
9fb0a7da TH |
102 | __entry->flags = flags; |
103 | ), | |
104 | ||
0ae45f63 | 105 | TP_printk("bdi %s: ino=%lu state=%s flags=%s", |
9fb0a7da TH |
106 | __entry->name, |
107 | __entry->ino, | |
0ae45f63 | 108 | show_inode_state(__entry->state), |
9fb0a7da TH |
109 | show_inode_state(__entry->flags) |
110 | ) | |
111 | ); | |
112 | ||
0ae45f63 TT |
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 | ||
9fb0a7da TH |
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, | |
de1414a6 | 148 | dev_name(inode_to_bdi(inode)->dev), 32); |
9fb0a7da TH |
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 | ||
455b2864 DC |
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) | |
0e175a18 | 185 | __field(int, reason) |
455b2864 DC |
186 | ), |
187 | TP_fast_assign( | |
df0ce26c CH |
188 | strncpy(__entry->name, |
189 | bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); | |
455b2864 DC |
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; | |
0e175a18 | 196 | __entry->reason = work->reason; |
455b2864 DC |
197 | ), |
198 | TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " | |
0e175a18 | 199 | "kupdate=%d range_cyclic=%d background=%d reason=%s", |
455b2864 DC |
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, | |
0e175a18 | 206 | __entry->for_background, |
b3bba872 | 207 | __print_symbolic(__entry->reason, WB_WORK_REASON) |
455b2864 DC |
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)) | |
455b2864 DC |
214 | DEFINE_WRITEBACK_WORK_EVENT(writeback_queue); |
215 | DEFINE_WRITEBACK_WORK_EVENT(writeback_exec); | |
d46db3d5 WF |
216 | DEFINE_WRITEBACK_WORK_EVENT(writeback_start); |
217 | DEFINE_WRITEBACK_WORK_EVENT(writeback_written); | |
218 | DEFINE_WRITEBACK_WORK_EVENT(writeback_wait); | |
455b2864 DC |
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); | |
71927e84 | 251 | DEFINE_WRITEBACK_EVENT(writeback_wake_background); |
455b2864 | 252 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register); |
455b2864 | 253 | |
028c2dd1 DC |
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) | |
028c2dd1 DC |
262 | __field(int, for_kupdate) |
263 | __field(int, for_background) | |
264 | __field(int, for_reclaim) | |
265 | __field(int, range_cyclic) | |
028c2dd1 DC |
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; | |
028c2dd1 DC |
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 " | |
d46db3d5 | 284 | "bgrd=%d reclm=%d cyclic=%d " |
028c2dd1 DC |
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, | |
028c2dd1 DC |
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)) | |
9e094383 | 302 | DEFINE_WBC_EVENT(wbc_writepage); |
028c2dd1 | 303 | |
e84d0a4f WF |
304 | TRACE_EVENT(writeback_queue_io, |
305 | TP_PROTO(struct bdi_writeback *wb, | |
ad4e38dd | 306 | struct wb_writeback_work *work, |
e84d0a4f | 307 | int moved), |
ad4e38dd | 308 | TP_ARGS(wb, work, moved), |
e84d0a4f WF |
309 | TP_STRUCT__entry( |
310 | __array(char, name, 32) | |
311 | __field(unsigned long, older) | |
312 | __field(long, age) | |
313 | __field(int, moved) | |
0e175a18 | 314 | __field(int, reason) |
e84d0a4f WF |
315 | ), |
316 | TP_fast_assign( | |
0dc83bd3 | 317 | unsigned long *older_than_this = work->older_than_this; |
e84d0a4f | 318 | strncpy(__entry->name, dev_name(wb->bdi->dev), 32); |
0dc83bd3 | 319 | __entry->older = older_than_this ? *older_than_this : 0; |
e84d0a4f | 320 | __entry->age = older_than_this ? |
0dc83bd3 | 321 | (jiffies - *older_than_this) * 1000 / HZ : -1; |
e84d0a4f | 322 | __entry->moved = moved; |
0e175a18 | 323 | __entry->reason = work->reason; |
e84d0a4f | 324 | ), |
0e175a18 | 325 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s", |
e84d0a4f WF |
326 | __entry->name, |
327 | __entry->older, /* older_than_this in jiffies */ | |
328 | __entry->age, /* older_than_this in relative milliseconds */ | |
0e175a18 | 329 | __entry->moved, |
b3bba872 WF |
330 | __print_symbolic(__entry->reason, WB_WORK_REASON) |
331 | ) | |
e84d0a4f WF |
332 | ); |
333 | ||
e1cbe236 WF |
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_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 | ||
b48c104d WF |
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->write_bandwidth); | |
403 | __entry->avg_write_bw = KBps(bdi->avg_write_bandwidth); | |
404 | __entry->dirty_rate = KBps(dirty_rate); | |
405 | __entry->dirty_ratelimit = KBps(bdi->dirty_ratelimit); | |
406 | __entry->task_ratelimit = KBps(task_ratelimit); | |
407 | __entry->balanced_dirty_ratelimit = | |
408 | KBps(bdi->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 | ||
ece13ac3 WF |
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, | |
83712358 | 436 | unsigned long period, |
ece13ac3 WF |
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, | |
83712358 | 442 | dirtied, period, pause, start_time), |
ece13ac3 WF |
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) | |
83712358 WF |
457 | __field(unsigned long, period) |
458 | __field( long, think) | |
ece13ac3 WF |
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_dirty_limit; | |
466 | __entry->setpoint = (global_dirty_limit + freerun) / 2; | |
467 | __entry->dirty = dirty; | |
468 | __entry->bdi_setpoint = __entry->setpoint * | |
469 | bdi_thresh / (thresh + 1); | |
470 | __entry->bdi_dirty = bdi_dirty; | |
471 | __entry->dirty_ratelimit = KBps(dirty_ratelimit); | |
472 | __entry->task_ratelimit = KBps(task_ratelimit); | |
473 | __entry->dirtied = dirtied; | |
474 | __entry->dirtied_pause = current->nr_dirtied_pause; | |
83712358 WF |
475 | __entry->think = current->dirty_paused_when == 0 ? 0 : |
476 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ; | |
477 | __entry->period = period * 1000 / HZ; | |
ece13ac3 WF |
478 | __entry->pause = pause * 1000 / HZ; |
479 | __entry->paused = (jiffies - start_time) * 1000 / HZ; | |
480 | ), | |
481 | ||
482 | ||
483 | TP_printk("bdi %s: " | |
484 | "limit=%lu setpoint=%lu dirty=%lu " | |
485 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
486 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
487 | "dirtied=%u dirtied_pause=%u " | |
83712358 | 488 | "paused=%lu pause=%ld period=%lu think=%ld", |
ece13ac3 WF |
489 | __entry->bdi, |
490 | __entry->limit, | |
491 | __entry->setpoint, | |
492 | __entry->dirty, | |
493 | __entry->bdi_setpoint, | |
494 | __entry->bdi_dirty, | |
495 | __entry->dirty_ratelimit, | |
496 | __entry->task_ratelimit, | |
497 | __entry->dirtied, | |
498 | __entry->dirtied_pause, | |
499 | __entry->paused, /* ms */ | |
83712358 WF |
500 | __entry->pause, /* ms */ |
501 | __entry->period, /* ms */ | |
502 | __entry->think /* ms */ | |
ece13ac3 WF |
503 | ) |
504 | ); | |
505 | ||
cc1676d9 JK |
506 | TRACE_EVENT(writeback_sb_inodes_requeue, |
507 | ||
508 | TP_PROTO(struct inode *inode), | |
509 | TP_ARGS(inode), | |
510 | ||
511 | TP_STRUCT__entry( | |
512 | __array(char, name, 32) | |
513 | __field(unsigned long, ino) | |
514 | __field(unsigned long, state) | |
515 | __field(unsigned long, dirtied_when) | |
516 | ), | |
517 | ||
518 | TP_fast_assign( | |
519 | strncpy(__entry->name, | |
520 | dev_name(inode_to_bdi(inode)->dev), 32); | |
521 | __entry->ino = inode->i_ino; | |
522 | __entry->state = inode->i_state; | |
523 | __entry->dirtied_when = inode->dirtied_when; | |
524 | ), | |
525 | ||
526 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
527 | __entry->name, | |
528 | __entry->ino, | |
529 | show_inode_state(__entry->state), | |
530 | __entry->dirtied_when, | |
531 | (jiffies - __entry->dirtied_when) / HZ | |
532 | ) | |
533 | ); | |
534 | ||
52bb9198 MG |
535 | DECLARE_EVENT_CLASS(writeback_congest_waited_template, |
536 | ||
537 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
538 | ||
539 | TP_ARGS(usec_timeout, usec_delayed), | |
540 | ||
541 | TP_STRUCT__entry( | |
542 | __field( unsigned int, usec_timeout ) | |
543 | __field( unsigned int, usec_delayed ) | |
544 | ), | |
545 | ||
546 | TP_fast_assign( | |
547 | __entry->usec_timeout = usec_timeout; | |
548 | __entry->usec_delayed = usec_delayed; | |
549 | ), | |
550 | ||
551 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
552 | __entry->usec_timeout, | |
553 | __entry->usec_delayed) | |
554 | ); | |
555 | ||
556 | DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait, | |
557 | ||
558 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
559 | ||
560 | TP_ARGS(usec_timeout, usec_delayed) | |
561 | ); | |
562 | ||
0e093d99 MG |
563 | DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested, |
564 | ||
565 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
566 | ||
567 | TP_ARGS(usec_timeout, usec_delayed) | |
568 | ); | |
569 | ||
251d6a47 WF |
570 | DECLARE_EVENT_CLASS(writeback_single_inode_template, |
571 | ||
572 | TP_PROTO(struct inode *inode, | |
573 | struct writeback_control *wbc, | |
574 | unsigned long nr_to_write | |
575 | ), | |
576 | ||
577 | TP_ARGS(inode, wbc, nr_to_write), | |
578 | ||
579 | TP_STRUCT__entry( | |
580 | __array(char, name, 32) | |
581 | __field(unsigned long, ino) | |
582 | __field(unsigned long, state) | |
c8ad6206 | 583 | __field(unsigned long, dirtied_when) |
251d6a47 WF |
584 | __field(unsigned long, writeback_index) |
585 | __field(long, nr_to_write) | |
586 | __field(unsigned long, wrote) | |
587 | ), | |
588 | ||
589 | TP_fast_assign( | |
590 | strncpy(__entry->name, | |
15eb77a0 | 591 | dev_name(inode_to_bdi(inode)->dev), 32); |
251d6a47 WF |
592 | __entry->ino = inode->i_ino; |
593 | __entry->state = inode->i_state; | |
c8ad6206 | 594 | __entry->dirtied_when = inode->dirtied_when; |
251d6a47 WF |
595 | __entry->writeback_index = inode->i_mapping->writeback_index; |
596 | __entry->nr_to_write = nr_to_write; | |
597 | __entry->wrote = nr_to_write - wbc->nr_to_write; | |
598 | ), | |
599 | ||
c8ad6206 | 600 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " |
251d6a47 WF |
601 | "index=%lu to_write=%ld wrote=%lu", |
602 | __entry->name, | |
603 | __entry->ino, | |
604 | show_inode_state(__entry->state), | |
c8ad6206 WF |
605 | __entry->dirtied_when, |
606 | (jiffies - __entry->dirtied_when) / HZ, | |
251d6a47 WF |
607 | __entry->writeback_index, |
608 | __entry->nr_to_write, | |
609 | __entry->wrote | |
610 | ) | |
611 | ); | |
612 | ||
9fb0a7da TH |
613 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start, |
614 | TP_PROTO(struct inode *inode, | |
615 | struct writeback_control *wbc, | |
616 | unsigned long nr_to_write), | |
617 | TP_ARGS(inode, wbc, nr_to_write) | |
618 | ); | |
619 | ||
251d6a47 WF |
620 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode, |
621 | TP_PROTO(struct inode *inode, | |
622 | struct writeback_control *wbc, | |
623 | unsigned long nr_to_write), | |
624 | TP_ARGS(inode, wbc, nr_to_write) | |
625 | ); | |
626 | ||
0ae45f63 TT |
627 | DECLARE_EVENT_CLASS(writeback_lazytime_template, |
628 | TP_PROTO(struct inode *inode), | |
629 | ||
630 | TP_ARGS(inode), | |
631 | ||
632 | TP_STRUCT__entry( | |
633 | __field( dev_t, dev ) | |
634 | __field(unsigned long, ino ) | |
635 | __field(unsigned long, state ) | |
636 | __field( __u16, mode ) | |
637 | __field(unsigned long, dirtied_when ) | |
638 | ), | |
639 | ||
640 | TP_fast_assign( | |
641 | __entry->dev = inode->i_sb->s_dev; | |
642 | __entry->ino = inode->i_ino; | |
643 | __entry->state = inode->i_state; | |
644 | __entry->mode = inode->i_mode; | |
645 | __entry->dirtied_when = inode->dirtied_when; | |
646 | ), | |
647 | ||
648 | TP_printk("dev %d,%d ino %lu dirtied %lu state %s mode 0%o", | |
649 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
650 | __entry->ino, __entry->dirtied_when, | |
651 | show_inode_state(__entry->state), __entry->mode) | |
652 | ); | |
653 | ||
654 | DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime, | |
655 | TP_PROTO(struct inode *inode), | |
656 | ||
657 | TP_ARGS(inode) | |
658 | ); | |
659 | ||
660 | DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime_iput, | |
661 | TP_PROTO(struct inode *inode), | |
662 | ||
663 | TP_ARGS(inode) | |
664 | ); | |
665 | ||
666 | DEFINE_EVENT(writeback_lazytime_template, writeback_dirty_inode_enqueue, | |
667 | ||
668 | TP_PROTO(struct inode *inode), | |
669 | ||
670 | TP_ARGS(inode) | |
671 | ); | |
672 | ||
455b2864 DC |
673 | #endif /* _TRACE_WRITEBACK_H */ |
674 | ||
675 | /* This part must be outside protection */ | |
676 | #include <trace/define_trace.h> |