2 #define TRACE_SYSTEM writeback
4 #if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_WRITEBACK_H
7 #include <linux/backing-dev.h>
8 #include <linux/writeback.h>
9 #include <linux/version.h>
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
{
16 struct super_block
*sb
;
17 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
18 unsigned long *older_than_this
;
20 enum writeback_sync_modes sync_mode
;
21 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
22 unsigned int tagged_writepages
:1;
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? */
31 struct list_head list
; /* pending work list */
32 struct completion
*done
; /* set if the caller waits */
34 static inline struct backing_dev_info
*inode_to_bdi(struct inode
*inode
)
36 struct super_block
*sb
= inode
->i_sb
;
38 if (strcmp(sb
->s_type
->name
, "bdev") == 0)
39 return inode
->i_mapping
->backing_dev_info
;
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"}, \
51 {I_WILL_FREE, "I_WILL_FREE"}, \
52 {I_FREEING, "I_FREEING"}, \
53 {I_CLEAR, "I_CLEAR"}, \
55 {I_REFERENCED, "I_REFERENCED"} \
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"}
70 DECLARE_EVENT_CLASS(writeback_work_class
,
71 TP_PROTO(struct backing_dev_info
*bdi
, struct wb_writeback_work
*work
),
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))
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
)
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",
102 MAJOR(__entry
->sb_dev
), MINOR(__entry
->sb_dev
),
105 __entry
->for_kupdate
,
106 __entry
->range_cyclic
,
107 __entry
->for_background
,
108 __print_symbolic(__entry
->reason
, WB_WORK_REASON
)
111 TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d "
112 "kupdate=%d range_cyclic=%d background=%d",
114 MAJOR(__entry
->sb_dev
), MINOR(__entry
->sb_dev
),
117 __entry
->for_kupdate
,
118 __entry
->range_cyclic
,
119 __entry
->for_background
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), \
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
)
136 TRACE_EVENT(writeback_pages_written
,
137 TP_PROTO(long pages_written
),
138 TP_ARGS(pages_written
),
143 tp_assign(pages
, pages_written
)
145 TP_printk("%ld", __entry
->pages
)
148 DECLARE_EVENT_CLASS(writeback_class
,
149 TP_PROTO(struct backing_dev_info
*bdi
),
152 __array(char, name
, 32)
155 tp_memcpy(name
, dev_name(bdi
->dev
), 32)
161 #define DEFINE_WRITEBACK_EVENT(name) \
162 DEFINE_EVENT(writeback_class, name, \
163 TP_PROTO(struct backing_dev_info *bdi), \
166 #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
167 DEFINE_EVENT_MAP(writeback_class, name, map, \
168 TP_PROTO(struct backing_dev_info *bdi), \
171 DEFINE_WRITEBACK_EVENT(writeback_nowork
)
172 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
173 DEFINE_WRITEBACK_EVENT(writeback_wake_background
)
175 DEFINE_WRITEBACK_EVENT(writeback_wake_thread
)
176 DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread
)
177 DEFINE_WRITEBACK_EVENT(writeback_bdi_register
)
178 DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister
)
179 DEFINE_WRITEBACK_EVENT(writeback_thread_start
)
180 DEFINE_WRITEBACK_EVENT(writeback_thread_stop
)
181 #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
182 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start
, writeback_balance_dirty_start
)
183 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait
, writeback_balance_dirty_wait
)
185 TRACE_EVENT_MAP(balance_dirty_written
,
187 writeback_balance_dirty_written
,
189 TP_PROTO(struct backing_dev_info
*bdi
, int written
),
191 TP_ARGS(bdi
, written
),
194 __array(char, name
, 32)
195 __field(int, written
)
199 tp_memcpy(name
, dev_name(bdi
->dev
), 32)
200 tp_assign(written
, written
)
203 TP_printk("bdi %s written %d",
210 DECLARE_EVENT_CLASS(writeback_wbc_class
,
211 TP_PROTO(struct writeback_control
*wbc
, struct backing_dev_info
*bdi
),
214 __array(char, name
, 32)
215 __field(long, nr_to_write
)
216 __field(long, pages_skipped
)
217 __field(int, sync_mode
)
218 __field(int, for_kupdate
)
219 __field(int, for_background
)
220 __field(int, for_reclaim
)
221 __field(int, range_cyclic
)
222 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
223 __field(int, more_io
)
224 __field(unsigned long, older_than_this
)
226 __field(long, range_start
)
227 __field(long, range_end
)
231 tp_memcpy(name
, dev_name(bdi
->dev
), 32)
232 tp_assign(nr_to_write
, wbc
->nr_to_write
)
233 tp_assign(pages_skipped
, wbc
->pages_skipped
)
234 tp_assign(sync_mode
, wbc
->sync_mode
)
235 tp_assign(for_kupdate
, wbc
->for_kupdate
)
236 tp_assign(for_background
, wbc
->for_background
)
237 tp_assign(for_reclaim
, wbc
->for_reclaim
)
238 tp_assign(range_cyclic
, wbc
->range_cyclic
)
239 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
240 tp_assign(more_io
, wbc
->more_io
)
241 tp_assign(older_than_this
, wbc
->older_than_this
?
242 *wbc
->older_than_this
: 0)
244 tp_assign(range_start
, (long)wbc
->range_start
)
245 tp_assign(range_end
, (long)wbc
->range_end
)
248 TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d "
249 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
250 "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx "
252 "bgrd=%d reclm=%d cyclic=%d "
254 "start=0x%lx end=0x%lx",
256 __entry
->nr_to_write
,
257 __entry
->pages_skipped
,
259 __entry
->for_kupdate
,
260 __entry
->for_background
,
261 __entry
->for_reclaim
,
262 __entry
->range_cyclic
,
263 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
265 __entry
->older_than_this
,
267 __entry
->range_start
,
271 #undef DEFINE_WBC_EVENT
272 #define DEFINE_WBC_EVENT(name, map) \
273 DEFINE_EVENT_MAP(writeback_wbc_class, name, map, \
274 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
276 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
277 DEFINE_WBC_EVENT(wbc_writeback_start
, writeback_wbc_writeback_start
)
278 DEFINE_WBC_EVENT(wbc_writeback_written
, writeback_wbc_writeback_written
)
279 DEFINE_WBC_EVENT(wbc_writeback_wait
, writeback_wbc_writeback_wait
)
280 DEFINE_WBC_EVENT(wbc_balance_dirty_start
, writeback_wbc_balance_dirty_start
)
281 DEFINE_WBC_EVENT(wbc_balance_dirty_written
, writeback_wbc_balance_dirty_written
)
282 DEFINE_WBC_EVENT(wbc_balance_dirty_wait
, writeback_wbc_balance_dirty_wait
)
284 DEFINE_WBC_EVENT(wbc_writepage
, writeback_wbc_writepage
)
286 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
287 TRACE_EVENT(writeback_queue_io
,
288 TP_PROTO(struct bdi_writeback
*wb
,
289 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
290 struct wb_writeback_work
*work
,
292 unsigned long *older_than_this
,
295 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
296 TP_ARGS(wb
, work
, moved
),
298 TP_ARGS(wb
, older_than_this
, moved
),
301 __array(char, name
, 32)
302 __field(unsigned long, older
)
305 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
310 tp_memcpy(name
, dev_name(wb
->bdi
->dev
), 32)
311 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
313 work
->older_than_this
? *(work
->older_than_this
) : 0)
314 tp_assign(age
, work
->older_than_this
?
315 (jiffies
- *(work
->older_than_this
)) * 1000 / HZ
: -1)
317 tp_assign(older
, older_than_this
? *older_than_this
: 0)
318 tp_assign(age
, older_than_this
?
319 (jiffies
- *older_than_this
) * 1000 / HZ
: -1)
321 tp_assign(moved
, moved
)
322 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
323 tp_assign(reason
, work
->reason
)
326 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
327 TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s",
329 __entry
->older
, /* older_than_this in jiffies */
330 __entry
->age
, /* older_than_this in relative milliseconds */
332 __print_symbolic(__entry
->reason
, WB_WORK_REASON
)
335 TP_printk("bdi %s: older=%lu age=%ld enqueue=%d",
337 __entry
->older
, /* older_than_this in jiffies */
338 __entry
->age
, /* older_than_this in relative milliseconds */
344 TRACE_EVENT_MAP(global_dirty_state
,
346 writeback_global_dirty_state
,
348 TP_PROTO(unsigned long background_thresh
,
349 unsigned long dirty_thresh
352 TP_ARGS(background_thresh
,
357 __field(unsigned long, nr_dirty
)
358 __field(unsigned long, nr_writeback
)
359 __field(unsigned long, nr_unstable
)
360 __field(unsigned long, background_thresh
)
361 __field(unsigned long, dirty_thresh
)
362 __field(unsigned long, dirty_limit
)
363 __field(unsigned long, nr_dirtied
)
364 __field(unsigned long, nr_written
)
368 tp_assign(nr_dirty
, global_page_state(NR_FILE_DIRTY
))
369 tp_assign(nr_writeback
, global_page_state(NR_WRITEBACK
))
370 tp_assign(nr_unstable
, global_page_state(NR_UNSTABLE_NFS
))
371 tp_assign(nr_dirtied
, global_page_state(NR_DIRTIED
))
372 tp_assign(nr_written
, global_page_state(NR_WRITTEN
))
373 tp_assign(background_thresh
, background_thresh
)
374 tp_assign(dirty_thresh
, dirty_thresh
)
375 tp_assign(dirty_limit
, global_dirty_limit
)
378 TP_printk("dirty=%lu writeback=%lu unstable=%lu "
379 "bg_thresh=%lu thresh=%lu limit=%lu "
380 "dirtied=%lu written=%lu",
382 __entry
->nr_writeback
,
383 __entry
->nr_unstable
,
384 __entry
->background_thresh
,
385 __entry
->dirty_thresh
,
386 __entry
->dirty_limit
,
393 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
395 #define KBps(x) ((x) << (PAGE_SHIFT - 10))
397 TRACE_EVENT_MAP(bdi_dirty_ratelimit
,
399 writeback_bdi_dirty_ratelimit
,
401 TP_PROTO(struct backing_dev_info
*bdi
,
402 unsigned long dirty_rate
,
403 unsigned long task_ratelimit
),
405 TP_ARGS(bdi
, dirty_rate
, task_ratelimit
),
408 __array(char, bdi
, 32)
409 __field(unsigned long, write_bw
)
410 __field(unsigned long, avg_write_bw
)
411 __field(unsigned long, dirty_rate
)
412 __field(unsigned long, dirty_ratelimit
)
413 __field(unsigned long, task_ratelimit
)
414 __field(unsigned long, balanced_dirty_ratelimit
)
418 tp_memcpy(bdi
, dev_name(bdi
->dev
), 32)
419 tp_assign(write_bw
, KBps(bdi
->write_bandwidth
))
420 tp_assign(avg_write_bw
, KBps(bdi
->avg_write_bandwidth
))
421 tp_assign(dirty_rate
, KBps(dirty_rate
))
422 tp_assign(dirty_ratelimit
, KBps(bdi
->dirty_ratelimit
))
423 tp_assign(task_ratelimit
, KBps(task_ratelimit
))
424 tp_assign(balanced_dirty_ratelimit
,
425 KBps(bdi
->balanced_dirty_ratelimit
))
429 "write_bw=%lu awrite_bw=%lu dirty_rate=%lu "
430 "dirty_ratelimit=%lu task_ratelimit=%lu "
431 "balanced_dirty_ratelimit=%lu",
433 __entry
->write_bw
, /* write bandwidth */
434 __entry
->avg_write_bw
, /* avg write bandwidth */
435 __entry
->dirty_rate
, /* bdi dirty rate */
436 __entry
->dirty_ratelimit
, /* base ratelimit */
437 __entry
->task_ratelimit
, /* ratelimit with position control */
438 __entry
->balanced_dirty_ratelimit
/* the balanced ratelimit */
442 TRACE_EVENT_MAP(balance_dirty_pages
,
444 writeback_balance_dirty_pages
,
446 TP_PROTO(struct backing_dev_info
*bdi
,
447 unsigned long thresh
,
448 unsigned long bg_thresh
,
450 unsigned long bdi_thresh
,
451 unsigned long bdi_dirty
,
452 unsigned long dirty_ratelimit
,
453 unsigned long task_ratelimit
,
454 unsigned long dirtied
,
455 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
456 unsigned long period
,
459 unsigned long start_time
),
461 TP_ARGS(bdi
, thresh
, bg_thresh
, dirty
, bdi_thresh
, bdi_dirty
,
462 dirty_ratelimit
, task_ratelimit
,
463 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
464 dirtied
, period
, pause
, start_time
),
466 dirtied
, pause
, start_time
),
469 __array( char, bdi
, 32)
470 __field(unsigned long, limit
)
471 __field(unsigned long, setpoint
)
472 __field(unsigned long, dirty
)
473 __field(unsigned long, bdi_setpoint
)
474 __field(unsigned long, bdi_dirty
)
475 __field(unsigned long, dirty_ratelimit
)
476 __field(unsigned long, task_ratelimit
)
477 __field(unsigned int, dirtied
)
478 __field(unsigned int, dirtied_pause
)
479 __field(unsigned long, paused
)
480 __field( long, pause
)
481 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
482 __field(unsigned long, period
)
483 __field( long, think
)
488 tp_memcpy(bdi
, dev_name(bdi
->dev
), 32)
489 tp_assign(limit
, global_dirty_limit
)
491 (global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2)
492 tp_assign(dirty
, dirty
)
493 tp_assign(bdi_setpoint
,
494 ((global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2) *
495 bdi_thresh
/ (thresh
+ 1))
496 tp_assign(bdi_dirty
, bdi_dirty
)
497 tp_assign(dirty_ratelimit
, KBps(dirty_ratelimit
))
498 tp_assign(task_ratelimit
, KBps(task_ratelimit
))
499 tp_assign(dirtied
, dirtied
)
500 tp_assign(dirtied_pause
, current
->nr_dirtied_pause
)
501 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
502 tp_assign(think
, current
->dirty_paused_when
== 0 ? 0 :
503 (long)(jiffies
- current
->dirty_paused_when
) * 1000/HZ
)
504 tp_assign(period
, period
* 1000 / HZ
)
506 tp_assign(pause
, pause
* 1000 / HZ
)
507 tp_assign(paused
, (jiffies
- start_time
) * 1000 / HZ
)
511 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
513 "limit=%lu setpoint=%lu dirty=%lu "
514 "bdi_setpoint=%lu bdi_dirty=%lu "
515 "dirty_ratelimit=%lu task_ratelimit=%lu "
516 "dirtied=%u dirtied_pause=%u "
517 "paused=%lu pause=%ld period=%lu think=%ld",
522 __entry
->bdi_setpoint
,
524 __entry
->dirty_ratelimit
,
525 __entry
->task_ratelimit
,
527 __entry
->dirtied_pause
,
528 __entry
->paused
, /* ms */
529 __entry
->pause
, /* ms */
530 __entry
->period
, /* ms */
531 __entry
->think
/* ms */
535 "limit=%lu setpoint=%lu dirty=%lu "
536 "bdi_setpoint=%lu bdi_dirty=%lu "
537 "dirty_ratelimit=%lu task_ratelimit=%lu "
538 "dirtied=%u dirtied_pause=%u "
539 "paused=%lu pause=%ld",
544 __entry
->bdi_setpoint
,
546 __entry
->dirty_ratelimit
,
547 __entry
->task_ratelimit
,
549 __entry
->dirtied_pause
,
550 __entry
->paused
, /* ms */
551 __entry
->pause
/* ms */
557 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
558 TRACE_EVENT(writeback_sb_inodes_requeue
,
560 TP_PROTO(struct inode
*inode
),
564 __array(char, name
, 32)
565 __field(unsigned long, ino
)
566 __field(unsigned long, state
)
567 __field(unsigned long, dirtied_when
)
571 tp_memcpy(name
, dev_name(inode_to_bdi(inode
)->dev
), 32)
572 tp_assign(ino
, inode
->i_ino
)
573 tp_assign(state
, inode
->i_state
)
574 tp_assign(dirtied_when
, inode
->dirtied_when
)
577 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu",
580 show_inode_state(__entry
->state
),
581 __entry
->dirtied_when
,
582 (jiffies
- __entry
->dirtied_when
) / HZ
587 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
588 DECLARE_EVENT_CLASS(writeback_congest_waited_template
,
590 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
592 TP_ARGS(usec_timeout
, usec_delayed
),
595 __field( unsigned int, usec_timeout
)
596 __field( unsigned int, usec_delayed
)
600 tp_assign(usec_timeout
, usec_timeout
)
601 tp_assign(usec_delayed
, usec_delayed
)
604 TP_printk("usec_timeout=%u usec_delayed=%u",
605 __entry
->usec_timeout
,
606 __entry
->usec_delayed
)
609 DEFINE_EVENT(writeback_congest_waited_template
, writeback_congestion_wait
,
611 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
613 TP_ARGS(usec_timeout
, usec_delayed
)
616 DEFINE_EVENT(writeback_congest_waited_template
, writeback_wait_iff_congested
,
618 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
620 TP_ARGS(usec_timeout
, usec_delayed
)
624 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
625 DECLARE_EVENT_CLASS(writeback_single_inode_template
,
627 TP_PROTO(struct inode
*inode
,
628 struct writeback_control
*wbc
,
629 unsigned long nr_to_write
632 TP_ARGS(inode
, wbc
, nr_to_write
),
635 __array(char, name
, 32)
636 __field(unsigned long, ino
)
637 __field(unsigned long, state
)
638 __field(unsigned long, dirtied_when
)
639 __field(unsigned long, writeback_index
)
640 __field(long, nr_to_write
)
641 __field(unsigned long, wrote
)
645 tp_memcpy(name
, dev_name(inode_to_bdi(inode
)->dev
), 32)
646 tp_assign(ino
, inode
->i_ino
)
647 tp_assign(state
, inode
->i_state
)
648 tp_assign(dirtied_when
, inode
->dirtied_when
)
649 tp_assign(writeback_index
, inode
->i_mapping
->writeback_index
)
650 tp_assign(nr_to_write
, nr_to_write
)
651 tp_assign(wrote
, nr_to_write
- wbc
->nr_to_write
)
654 TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu "
655 "index=%lu to_write=%ld wrote=%lu",
658 show_inode_state(__entry
->state
),
659 __entry
->dirtied_when
,
660 (jiffies
- __entry
->dirtied_when
) / HZ
,
661 __entry
->writeback_index
,
662 __entry
->nr_to_write
,
667 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
668 DEFINE_EVENT(writeback_single_inode_template
, writeback_single_inode_requeue
,
669 TP_PROTO(struct inode
*inode
,
670 struct writeback_control
*wbc
,
671 unsigned long nr_to_write
),
672 TP_ARGS(inode
, wbc
, nr_to_write
)
676 DEFINE_EVENT(writeback_single_inode_template
, writeback_single_inode
,
677 TP_PROTO(struct inode
*inode
,
678 struct writeback_control
*wbc
,
679 unsigned long nr_to_write
),
680 TP_ARGS(inode
, wbc
, nr_to_write
)
684 #endif /* _TRACE_WRITEBACK_H */
686 /* This part must be outside protection */
687 #include "../../../probes/define_trace.h"