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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 | ||
7 | #include <linux/backing-dev.h> | |
8 | #include <linux/writeback.h> | |
9 | #include <linux/version.h> | |
10 | ||
11 | #ifndef _TRACE_WRITEBACK_DEF_ | |
12 | #define _TRACE_WRITEBACK_DEF_ | |
13 | /* Have to duplicate it here from fs/fs-writeback.c */ | |
14 | struct wb_writeback_work { | |
15 | long nr_pages; | |
16 | struct super_block *sb; | |
17 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
18 | unsigned long *older_than_this; | |
19 | #endif | |
20 | enum writeback_sync_modes sync_mode; | |
21 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
22 | unsigned int tagged_writepages:1; | |
23 | #endif | |
24 | unsigned int for_kupdate:1; | |
25 | unsigned int range_cyclic:1; | |
26 | unsigned int for_background:1; | |
27 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
28 | enum wb_reason reason; /* why was writeback initiated? */ | |
29 | #endif | |
30 | ||
31 | struct list_head list; /* pending work list */ | |
32 | struct completion *done; /* set if the caller waits */ | |
33 | }; | |
34 | static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) | |
35 | { | |
36 | struct super_block *sb = inode->i_sb; | |
37 | ||
38 | if (strcmp(sb->s_type->name, "bdev") == 0) | |
39 | return inode->i_mapping->backing_dev_info; | |
40 | ||
41 | return sb->s_bdi; | |
42 | } | |
43 | #endif | |
44 | ||
45 | #define show_inode_state(state) \ | |
46 | __print_flags(state, "|", \ | |
47 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
48 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
49 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
50 | {I_NEW, "I_NEW"}, \ | |
51 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
52 | {I_FREEING, "I_FREEING"}, \ | |
53 | {I_CLEAR, "I_CLEAR"}, \ | |
54 | {I_SYNC, "I_SYNC"}, \ | |
55 | {I_REFERENCED, "I_REFERENCED"} \ | |
56 | ) | |
57 | ||
58 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
59 | #define WB_WORK_REASON \ | |
60 | {WB_REASON_BACKGROUND, "background"}, \ | |
61 | {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \ | |
62 | {WB_REASON_SYNC, "sync"}, \ | |
63 | {WB_REASON_PERIODIC, "periodic"}, \ | |
64 | {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \ | |
65 | {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \ | |
66 | {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \ | |
67 | {WB_REASON_FORKER_THREAD, "forker_thread"} | |
68 | #endif | |
69 | ||
70 | DECLARE_EVENT_CLASS(writeback_work_class, | |
71 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), | |
72 | TP_ARGS(bdi, work), | |
73 | TP_STRUCT__entry( | |
74 | __array(char, name, 32) | |
75 | __field(long, nr_pages) | |
76 | __field(dev_t, sb_dev) | |
77 | __field(int, sync_mode) | |
78 | __field(int, for_kupdate) | |
79 | __field(int, range_cyclic) | |
80 | __field(int, for_background) | |
81 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
82 | __field(int, reason) | |
83 | #endif | |
84 | ), | |
85 | TP_fast_assign( | |
86 | tp_memcpy(name, dev_name(bdi->dev ? bdi->dev : | |
87 | default_backing_dev_info.dev), 32) | |
88 | tp_assign(nr_pages, work->nr_pages) | |
89 | tp_assign(sb_dev, work->sb ? work->sb->s_dev : 0) | |
90 | tp_assign(sync_mode, work->sync_mode) | |
91 | tp_assign(for_kupdate, work->for_kupdate) | |
92 | tp_assign(range_cyclic, work->range_cyclic) | |
93 | tp_assign(for_background, work->for_background) | |
94 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
95 | tp_assign(reason, work->reason) | |
96 | #endif | |
97 | ), | |
98 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
99 | TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " | |
100 | "kupdate=%d range_cyclic=%d background=%d reason=%s", | |
101 | __entry->name, | |
102 | MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), | |
103 | __entry->nr_pages, | |
104 | __entry->sync_mode, | |
105 | __entry->for_kupdate, | |
106 | __entry->range_cyclic, | |
107 | __entry->for_background, | |
108 | __print_symbolic(__entry->reason, WB_WORK_REASON) | |
109 | ) | |
110 | #else | |
111 | TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " | |
112 | "kupdate=%d range_cyclic=%d background=%d", | |
113 | __entry->name, | |
114 | MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), | |
115 | __entry->nr_pages, | |
116 | __entry->sync_mode, | |
117 | __entry->for_kupdate, | |
118 | __entry->range_cyclic, | |
119 | __entry->for_background | |
120 | ) | |
121 | #endif | |
122 | ) | |
123 | #define DEFINE_WRITEBACK_WORK_EVENT(name) \ | |
124 | DEFINE_EVENT(writeback_work_class, name, \ | |
125 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ | |
126 | TP_ARGS(bdi, work)) | |
127 | DEFINE_WRITEBACK_WORK_EVENT(writeback_nothread) | |
128 | DEFINE_WRITEBACK_WORK_EVENT(writeback_queue) | |
129 | DEFINE_WRITEBACK_WORK_EVENT(writeback_exec) | |
130 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
131 | DEFINE_WRITEBACK_WORK_EVENT(writeback_start) | |
132 | DEFINE_WRITEBACK_WORK_EVENT(writeback_written) | |
133 | DEFINE_WRITEBACK_WORK_EVENT(writeback_wait) | |
134 | #endif | |
135 | ||
136 | TRACE_EVENT(writeback_pages_written, | |
137 | TP_PROTO(long pages_written), | |
138 | TP_ARGS(pages_written), | |
139 | TP_STRUCT__entry( | |
140 | __field(long, pages) | |
141 | ), | |
142 | TP_fast_assign( | |
143 | tp_assign(pages, pages_written) | |
144 | ), | |
145 | TP_printk("%ld", __entry->pages) | |
146 | ) | |
147 | ||
148 | DECLARE_EVENT_CLASS(writeback_class, | |
149 | TP_PROTO(struct backing_dev_info *bdi), | |
150 | TP_ARGS(bdi), | |
151 | TP_STRUCT__entry( | |
152 | __array(char, name, 32) | |
153 | ), | |
154 | TP_fast_assign( | |
155 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
156 | ), | |
157 | TP_printk("bdi %s", | |
158 | __entry->name | |
159 | ) | |
160 | ) | |
161 | #define DEFINE_WRITEBACK_EVENT(name) \ | |
162 | DEFINE_EVENT(writeback_class, name, \ | |
163 | TP_PROTO(struct backing_dev_info *bdi), \ | |
164 | TP_ARGS(bdi)) | |
165 | ||
166 | DEFINE_WRITEBACK_EVENT(writeback_nowork) | |
167 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) | |
168 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) | |
169 | #endif | |
170 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) | |
171 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
172 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register) | |
173 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) | |
174 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
175 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
176 | #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) | |
177 | DEFINE_WRITEBACK_EVENT(balance_dirty_start) | |
178 | DEFINE_WRITEBACK_EVENT(balance_dirty_wait) | |
179 | ||
180 | TRACE_EVENT(balance_dirty_written, | |
181 | ||
182 | TP_PROTO(struct backing_dev_info *bdi, int written), | |
183 | ||
184 | TP_ARGS(bdi, written), | |
185 | ||
186 | TP_STRUCT__entry( | |
187 | __array(char, name, 32) | |
188 | __field(int, written) | |
189 | ), | |
190 | ||
191 | TP_fast_assign( | |
192 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
193 | tp_assign(written, written) | |
194 | ), | |
195 | ||
196 | TP_printk("bdi %s written %d", | |
197 | __entry->name, | |
198 | __entry->written | |
199 | ) | |
200 | ) | |
201 | #endif | |
202 | ||
203 | DECLARE_EVENT_CLASS(wbc_class, | |
204 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), | |
205 | TP_ARGS(wbc, bdi), | |
206 | TP_STRUCT__entry( | |
207 | __array(char, name, 32) | |
208 | __field(long, nr_to_write) | |
209 | __field(long, pages_skipped) | |
210 | __field(int, sync_mode) | |
211 | __field(int, for_kupdate) | |
212 | __field(int, for_background) | |
213 | __field(int, for_reclaim) | |
214 | __field(int, range_cyclic) | |
215 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
216 | __field(int, more_io) | |
217 | __field(unsigned long, older_than_this) | |
218 | #endif | |
219 | __field(long, range_start) | |
220 | __field(long, range_end) | |
221 | ), | |
222 | ||
223 | TP_fast_assign( | |
224 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
225 | tp_assign(nr_to_write, wbc->nr_to_write) | |
226 | tp_assign(pages_skipped, wbc->pages_skipped) | |
227 | tp_assign(sync_mode, wbc->sync_mode) | |
228 | tp_assign(for_kupdate, wbc->for_kupdate) | |
229 | tp_assign(for_background, wbc->for_background) | |
230 | tp_assign(for_reclaim, wbc->for_reclaim) | |
231 | tp_assign(range_cyclic, wbc->range_cyclic) | |
232 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
233 | tp_assign(more_io, wbc->more_io) | |
234 | tp_assign(older_than_this, wbc->older_than_this ? | |
235 | *wbc->older_than_this : 0) | |
236 | #endif | |
237 | tp_assign(range_start, (long)wbc->range_start) | |
238 | tp_assign(range_end, (long)wbc->range_end) | |
239 | ), | |
240 | ||
241 | TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " | |
242 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
243 | "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx " | |
244 | #else | |
245 | "bgrd=%d reclm=%d cyclic=%d " | |
246 | #endif | |
247 | "start=0x%lx end=0x%lx", | |
248 | __entry->name, | |
249 | __entry->nr_to_write, | |
250 | __entry->pages_skipped, | |
251 | __entry->sync_mode, | |
252 | __entry->for_kupdate, | |
253 | __entry->for_background, | |
254 | __entry->for_reclaim, | |
255 | __entry->range_cyclic, | |
256 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
257 | __entry->more_io, | |
258 | __entry->older_than_this, | |
259 | #endif | |
260 | __entry->range_start, | |
261 | __entry->range_end) | |
262 | ) | |
263 | ||
264 | #define DEFINE_WBC_EVENT(name) \ | |
265 | DEFINE_EVENT(wbc_class, name, \ | |
266 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ | |
267 | TP_ARGS(wbc, bdi)) | |
268 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
269 | DEFINE_WBC_EVENT(wbc_writeback_start) | |
270 | DEFINE_WBC_EVENT(wbc_writeback_written) | |
271 | DEFINE_WBC_EVENT(wbc_writeback_wait) | |
272 | DEFINE_WBC_EVENT(wbc_balance_dirty_start) | |
273 | DEFINE_WBC_EVENT(wbc_balance_dirty_written) | |
274 | DEFINE_WBC_EVENT(wbc_balance_dirty_wait) | |
275 | #endif | |
276 | DEFINE_WBC_EVENT(wbc_writepage) | |
277 | ||
278 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
279 | TRACE_EVENT(writeback_queue_io, | |
280 | TP_PROTO(struct bdi_writeback *wb, | |
281 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
282 | struct wb_writeback_work *work, | |
283 | #else | |
284 | unsigned long *older_than_this, | |
285 | #endif | |
286 | int moved), | |
287 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
288 | TP_ARGS(wb, work, moved), | |
289 | #else | |
290 | TP_ARGS(wb, older_than_this, moved), | |
291 | #endif | |
292 | TP_STRUCT__entry( | |
293 | __array(char, name, 32) | |
294 | __field(unsigned long, older) | |
295 | __field(long, age) | |
296 | __field(int, moved) | |
297 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
298 | __field(int, reason) | |
299 | #endif | |
300 | ), | |
301 | TP_fast_assign( | |
302 | tp_memcpy(name, dev_name(wb->bdi->dev), 32) | |
303 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
304 | tp_assign(older, | |
305 | work->older_than_this ? *(work->older_than_this) : 0) | |
306 | tp_assign(age, work->older_than_this ? | |
307 | (jiffies - *(work->older_than_this)) * 1000 / HZ : -1) | |
308 | #else | |
309 | tp_assign(older, older_than_this ? *older_than_this : 0) | |
310 | tp_assign(age, older_than_this ? | |
311 | (jiffies - *older_than_this) * 1000 / HZ : -1) | |
312 | #endif | |
313 | tp_assign(moved, moved) | |
314 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
315 | tp_assign(reason, work->reason) | |
316 | #endif | |
317 | ), | |
318 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
319 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s", | |
320 | __entry->name, | |
321 | __entry->older, /* older_than_this in jiffies */ | |
322 | __entry->age, /* older_than_this in relative milliseconds */ | |
323 | __entry->moved, | |
324 | __print_symbolic(__entry->reason, WB_WORK_REASON) | |
325 | ) | |
326 | #else | |
327 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d", | |
328 | __entry->name, | |
329 | __entry->older, /* older_than_this in jiffies */ | |
330 | __entry->age, /* older_than_this in relative milliseconds */ | |
331 | __entry->moved | |
332 | ) | |
333 | #endif | |
334 | ) | |
335 | ||
336 | TRACE_EVENT(global_dirty_state, | |
337 | ||
338 | TP_PROTO(unsigned long background_thresh, | |
339 | unsigned long dirty_thresh | |
340 | ), | |
341 | ||
342 | TP_ARGS(background_thresh, | |
343 | dirty_thresh | |
344 | ), | |
345 | ||
346 | TP_STRUCT__entry( | |
347 | __field(unsigned long, nr_dirty) | |
348 | __field(unsigned long, nr_writeback) | |
349 | __field(unsigned long, nr_unstable) | |
350 | __field(unsigned long, background_thresh) | |
351 | __field(unsigned long, dirty_thresh) | |
352 | __field(unsigned long, dirty_limit) | |
353 | __field(unsigned long, nr_dirtied) | |
354 | __field(unsigned long, nr_written) | |
355 | ), | |
356 | ||
357 | TP_fast_assign( | |
358 | tp_assign(nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
359 | tp_assign(nr_writeback, global_page_state(NR_WRITEBACK)) | |
360 | tp_assign(nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
361 | tp_assign(nr_dirtied, global_page_state(NR_DIRTIED)) | |
362 | tp_assign(nr_written, global_page_state(NR_WRITTEN)) | |
363 | tp_assign(background_thresh, background_thresh) | |
364 | tp_assign(dirty_thresh, dirty_thresh) | |
365 | tp_assign(dirty_limit, global_dirty_limit) | |
366 | ), | |
367 | ||
368 | TP_printk("dirty=%lu writeback=%lu unstable=%lu " | |
369 | "bg_thresh=%lu thresh=%lu limit=%lu " | |
370 | "dirtied=%lu written=%lu", | |
371 | __entry->nr_dirty, | |
372 | __entry->nr_writeback, | |
373 | __entry->nr_unstable, | |
374 | __entry->background_thresh, | |
375 | __entry->dirty_thresh, | |
376 | __entry->dirty_limit, | |
377 | __entry->nr_dirtied, | |
378 | __entry->nr_written | |
379 | ) | |
380 | ) | |
381 | #endif | |
382 | ||
383 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
384 | ||
385 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
386 | ||
387 | TRACE_EVENT(bdi_dirty_ratelimit, | |
388 | ||
389 | TP_PROTO(struct backing_dev_info *bdi, | |
390 | unsigned long dirty_rate, | |
391 | unsigned long task_ratelimit), | |
392 | ||
393 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
394 | ||
395 | TP_STRUCT__entry( | |
396 | __array(char, bdi, 32) | |
397 | __field(unsigned long, write_bw) | |
398 | __field(unsigned long, avg_write_bw) | |
399 | __field(unsigned long, dirty_rate) | |
400 | __field(unsigned long, dirty_ratelimit) | |
401 | __field(unsigned long, task_ratelimit) | |
402 | __field(unsigned long, balanced_dirty_ratelimit) | |
403 | ), | |
404 | ||
405 | TP_fast_assign( | |
406 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
407 | tp_assign(write_bw, KBps(bdi->write_bandwidth)) | |
408 | tp_assign(avg_write_bw, KBps(bdi->avg_write_bandwidth)) | |
409 | tp_assign(dirty_rate, KBps(dirty_rate)) | |
410 | tp_assign(dirty_ratelimit, KBps(bdi->dirty_ratelimit)) | |
411 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
412 | tp_assign(balanced_dirty_ratelimit, | |
413 | KBps(bdi->balanced_dirty_ratelimit)) | |
414 | ), | |
415 | ||
416 | TP_printk("bdi %s: " | |
417 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
418 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
419 | "balanced_dirty_ratelimit=%lu", | |
420 | __entry->bdi, | |
421 | __entry->write_bw, /* write bandwidth */ | |
422 | __entry->avg_write_bw, /* avg write bandwidth */ | |
423 | __entry->dirty_rate, /* bdi dirty rate */ | |
424 | __entry->dirty_ratelimit, /* base ratelimit */ | |
425 | __entry->task_ratelimit, /* ratelimit with position control */ | |
426 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
427 | ) | |
428 | ) | |
429 | ||
430 | TRACE_EVENT(balance_dirty_pages, | |
431 | ||
432 | TP_PROTO(struct backing_dev_info *bdi, | |
433 | unsigned long thresh, | |
434 | unsigned long bg_thresh, | |
435 | unsigned long dirty, | |
436 | unsigned long bdi_thresh, | |
437 | unsigned long bdi_dirty, | |
438 | unsigned long dirty_ratelimit, | |
439 | unsigned long task_ratelimit, | |
440 | unsigned long dirtied, | |
441 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
442 | unsigned long period, | |
443 | #endif | |
444 | long pause, | |
445 | unsigned long start_time), | |
446 | ||
447 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
448 | dirty_ratelimit, task_ratelimit, | |
449 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
450 | dirtied, period, pause, start_time), | |
451 | #else | |
452 | dirtied, pause, start_time), | |
453 | #endif | |
454 | TP_STRUCT__entry( | |
455 | __array( char, bdi, 32) | |
456 | __field(unsigned long, limit) | |
457 | __field(unsigned long, setpoint) | |
458 | __field(unsigned long, dirty) | |
459 | __field(unsigned long, bdi_setpoint) | |
460 | __field(unsigned long, bdi_dirty) | |
461 | __field(unsigned long, dirty_ratelimit) | |
462 | __field(unsigned long, task_ratelimit) | |
463 | __field(unsigned int, dirtied) | |
464 | __field(unsigned int, dirtied_pause) | |
465 | __field(unsigned long, paused) | |
466 | __field( long, pause) | |
467 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
468 | __field(unsigned long, period) | |
469 | __field( long, think) | |
470 | #endif | |
471 | ), | |
472 | ||
473 | TP_fast_assign( | |
474 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
475 | tp_assign(limit, global_dirty_limit) | |
476 | tp_assign(setpoint, | |
477 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
478 | tp_assign(dirty, dirty) | |
479 | tp_assign(bdi_setpoint, | |
480 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
481 | bdi_thresh / (thresh + 1)) | |
482 | tp_assign(bdi_dirty, bdi_dirty) | |
483 | tp_assign(dirty_ratelimit, KBps(dirty_ratelimit)) | |
484 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
485 | tp_assign(dirtied, dirtied) | |
486 | tp_assign(dirtied_pause, current->nr_dirtied_pause) | |
487 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
488 | tp_assign(think, current->dirty_paused_when == 0 ? 0 : | |
489 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
490 | tp_assign(period, period * 1000 / HZ) | |
491 | #endif | |
492 | tp_assign(pause, pause * 1000 / HZ) | |
493 | tp_assign(paused, (jiffies - start_time) * 1000 / HZ) | |
494 | ), | |
495 | ||
496 | ||
497 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
498 | TP_printk("bdi %s: " | |
499 | "limit=%lu setpoint=%lu dirty=%lu " | |
500 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
501 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
502 | "dirtied=%u dirtied_pause=%u " | |
503 | "paused=%lu pause=%ld period=%lu think=%ld", | |
504 | __entry->bdi, | |
505 | __entry->limit, | |
506 | __entry->setpoint, | |
507 | __entry->dirty, | |
508 | __entry->bdi_setpoint, | |
509 | __entry->bdi_dirty, | |
510 | __entry->dirty_ratelimit, | |
511 | __entry->task_ratelimit, | |
512 | __entry->dirtied, | |
513 | __entry->dirtied_pause, | |
514 | __entry->paused, /* ms */ | |
515 | __entry->pause, /* ms */ | |
516 | __entry->period, /* ms */ | |
517 | __entry->think /* ms */ | |
518 | ) | |
519 | #else | |
520 | TP_printk("bdi %s: " | |
521 | "limit=%lu setpoint=%lu dirty=%lu " | |
522 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
523 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
524 | "dirtied=%u dirtied_pause=%u " | |
525 | "paused=%lu pause=%ld", | |
526 | __entry->bdi, | |
527 | __entry->limit, | |
528 | __entry->setpoint, | |
529 | __entry->dirty, | |
530 | __entry->bdi_setpoint, | |
531 | __entry->bdi_dirty, | |
532 | __entry->dirty_ratelimit, | |
533 | __entry->task_ratelimit, | |
534 | __entry->dirtied, | |
535 | __entry->dirtied_pause, | |
536 | __entry->paused, /* ms */ | |
537 | __entry->pause /* ms */ | |
538 | ) | |
539 | #endif | |
540 | ) | |
541 | #endif | |
542 | ||
543 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
544 | TRACE_EVENT(writeback_sb_inodes_requeue, | |
545 | ||
546 | TP_PROTO(struct inode *inode), | |
547 | TP_ARGS(inode), | |
548 | ||
549 | TP_STRUCT__entry( | |
550 | __array(char, name, 32) | |
551 | __field(unsigned long, ino) | |
552 | __field(unsigned long, state) | |
553 | __field(unsigned long, dirtied_when) | |
554 | ), | |
555 | ||
556 | TP_fast_assign( | |
557 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
558 | tp_assign(ino, inode->i_ino) | |
559 | tp_assign(state, inode->i_state) | |
560 | tp_assign(dirtied_when, inode->dirtied_when) | |
561 | ), | |
562 | ||
563 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
564 | __entry->name, | |
565 | __entry->ino, | |
566 | show_inode_state(__entry->state), | |
567 | __entry->dirtied_when, | |
568 | (jiffies - __entry->dirtied_when) / HZ | |
569 | ) | |
570 | ) | |
571 | #endif | |
572 | ||
573 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
574 | DECLARE_EVENT_CLASS(writeback_congest_waited_template, | |
575 | ||
576 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
577 | ||
578 | TP_ARGS(usec_timeout, usec_delayed), | |
579 | ||
580 | TP_STRUCT__entry( | |
581 | __field( unsigned int, usec_timeout ) | |
582 | __field( unsigned int, usec_delayed ) | |
583 | ), | |
584 | ||
585 | TP_fast_assign( | |
586 | tp_assign(usec_timeout, usec_timeout) | |
587 | tp_assign(usec_delayed, usec_delayed) | |
588 | ), | |
589 | ||
590 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
591 | __entry->usec_timeout, | |
592 | __entry->usec_delayed) | |
593 | ) | |
594 | ||
595 | DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait, | |
596 | ||
597 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
598 | ||
599 | TP_ARGS(usec_timeout, usec_delayed) | |
600 | ) | |
601 | ||
602 | DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested, | |
603 | ||
604 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
605 | ||
606 | TP_ARGS(usec_timeout, usec_delayed) | |
607 | ) | |
608 | #endif | |
609 | ||
610 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
611 | DECLARE_EVENT_CLASS(writeback_single_inode_template, | |
612 | ||
613 | TP_PROTO(struct inode *inode, | |
614 | struct writeback_control *wbc, | |
615 | unsigned long nr_to_write | |
616 | ), | |
617 | ||
618 | TP_ARGS(inode, wbc, nr_to_write), | |
619 | ||
620 | TP_STRUCT__entry( | |
621 | __array(char, name, 32) | |
622 | __field(unsigned long, ino) | |
623 | __field(unsigned long, state) | |
624 | __field(unsigned long, dirtied_when) | |
625 | __field(unsigned long, writeback_index) | |
626 | __field(long, nr_to_write) | |
627 | __field(unsigned long, wrote) | |
628 | ), | |
629 | ||
630 | TP_fast_assign( | |
631 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
632 | tp_assign(ino, inode->i_ino) | |
633 | tp_assign(state, inode->i_state) | |
634 | tp_assign(dirtied_when, inode->dirtied_when) | |
635 | tp_assign(writeback_index, inode->i_mapping->writeback_index) | |
636 | tp_assign(nr_to_write, nr_to_write) | |
637 | tp_assign(wrote, nr_to_write - wbc->nr_to_write) | |
638 | ), | |
639 | ||
640 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " | |
641 | "index=%lu to_write=%ld wrote=%lu", | |
642 | __entry->name, | |
643 | __entry->ino, | |
644 | show_inode_state(__entry->state), | |
645 | __entry->dirtied_when, | |
646 | (jiffies - __entry->dirtied_when) / HZ, | |
647 | __entry->writeback_index, | |
648 | __entry->nr_to_write, | |
649 | __entry->wrote | |
650 | ) | |
651 | ) | |
652 | ||
653 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) | |
654 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_requeue, | |
655 | TP_PROTO(struct inode *inode, | |
656 | struct writeback_control *wbc, | |
657 | unsigned long nr_to_write), | |
658 | TP_ARGS(inode, wbc, nr_to_write) | |
659 | ) | |
660 | #endif | |
661 | ||
662 | DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode, | |
663 | TP_PROTO(struct inode *inode, | |
664 | struct writeback_control *wbc, | |
665 | unsigned long nr_to_write), | |
666 | TP_ARGS(inode, wbc, nr_to_write) | |
667 | ) | |
668 | #endif | |
669 | ||
670 | #endif /* _TRACE_WRITEBACK_H */ | |
671 | ||
672 | /* This part must be outside protection */ | |
673 | #include "../../../probes/define_trace.h" |