2 #define TRACE_SYSTEM writeback
4 #if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define LTTNG_TRACE_WRITEBACK_H
7 #include <probes/lttng-tracepoint-event.h>
8 #include <linux/tracepoint.h>
9 #include <linux/backing-dev.h>
10 #include <linux/writeback.h>
11 #include <lttng-kernel-version.h>
13 #ifndef _TRACE_WRITEBACK_DEF_
14 #define _TRACE_WRITEBACK_DEF_
16 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) || \
17 LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) || \
18 LTTNG_KERNEL_RANGE(5,4,19, 5,5,0))
19 static inline const char *lttng_bdi_dev_name(struct backing_dev_info
*bdi
)
21 return bdi_dev_name(bdi
);
24 static inline const char *lttng_bdi_dev_name(struct backing_dev_info
*bdi
)
26 if (!bdi
|| !bdi
->dev
)
28 return dev_name(bdi
->dev
);
33 * Vanilla kernels before 4.0 do not implement inode_to_bdi
34 * RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi
35 * RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
36 * RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
37 * commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines
38 * inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules.
40 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0))
41 static inline struct backing_dev_info
*lttng_inode_to_bdi(struct inode
*inode
)
43 struct super_block
*sb
;
46 return &noop_backing_dev_info
;
50 if (strcmp(sb
->s_type
->name
, "bdev") == 0)
51 return inode
->i_mapping
->backing_dev_info
;
56 static inline struct backing_dev_info
*lttng_inode_to_bdi(struct inode
*inode
)
58 return inode_to_bdi(inode
);
60 #endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) */
64 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
65 #define show_inode_state(state) \
66 __print_flags(state, "|", \
67 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
68 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
69 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
71 {I_WILL_FREE, "I_WILL_FREE"}, \
72 {I_FREEING, "I_FREEING"}, \
73 {I_CLEAR, "I_CLEAR"}, \
75 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
76 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
77 {I_REFERENCED, "I_REFERENCED"} \
79 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
80 #define show_inode_state(state) \
81 __print_flags(state, "|", \
82 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
83 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
84 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
86 {I_WILL_FREE, "I_WILL_FREE"}, \
87 {I_FREEING, "I_FREEING"}, \
88 {I_CLEAR, "I_CLEAR"}, \
90 {I_REFERENCED, "I_REFERENCED"} \
92 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
94 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
96 LTTNG_TRACEPOINT_EVENT(writeback_dirty_page
,
97 TP_PROTO(struct page
*page
, struct address_space
*mapping
),
98 TP_ARGS(page
, mapping
),
100 ctf_string(name
, lttng_bdi_dev_name(mapping
? lttng_inode_to_bdi(mapping
->host
) : NULL
))
101 ctf_integer(unsigned long, ino
, mapping
? mapping
->host
->i_ino
: 0)
102 ctf_integer(pgoff_t
, index
, page
->index
)
106 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template
,
107 TP_PROTO(struct inode
*inode
, int flags
),
108 TP_ARGS(inode
, flags
),
110 /* may be called for files on pseudo FSes w/ unregistered bdi */
111 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
112 ctf_integer(unsigned long, ino
, inode
->i_ino
)
113 ctf_integer(unsigned long, state
, inode
->i_state
)
114 ctf_integer(unsigned long, flags
, flags
)
117 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
118 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
119 TP_PROTO(struct inode *inode, int flags), \
120 TP_ARGS(inode, flags))
121 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start
)
122 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode
)
123 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty
)
125 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template
,
126 TP_PROTO(struct inode
*inode
, struct writeback_control
*wbc
),
129 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
130 ctf_integer(unsigned long, ino
, inode
->i_ino
)
131 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
135 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
136 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
137 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
139 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start
)
140 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode
)
142 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
144 LTTNG_TRACEPOINT_EVENT(writeback_dirty_page
,
145 TP_PROTO(struct page
*page
, struct address_space
*mapping
),
146 TP_ARGS(page
, mapping
),
148 ctf_string(name
, lttng_bdi_dev_name(mapping
? mapping
->backing_dev_info
: NULL
))
149 ctf_integer(unsigned long, ino
, mapping
? mapping
->host
->i_ino
: 0)
150 ctf_integer(pgoff_t
, index
, page
->index
)
154 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template
,
155 TP_PROTO(struct inode
*inode
, int flags
),
156 TP_ARGS(inode
, flags
),
158 /* may be called for files on pseudo FSes w/ unregistered bdi */
159 ctf_string(name
, lttng_bdi_dev_name(inode
->i_mapping
->backing_dev_info
))
160 ctf_integer(unsigned long, ino
, inode
->i_ino
)
161 ctf_integer(unsigned long, flags
, flags
)
164 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
165 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
166 TP_PROTO(struct inode *inode, int flags), \
167 TP_ARGS(inode, flags))
168 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start
)
169 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode
)
171 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template
,
172 TP_PROTO(struct inode
*inode
, struct writeback_control
*wbc
),
175 ctf_string(name
, lttng_bdi_dev_name(inode
->i_mapping
->backing_dev_info
))
176 ctf_integer(unsigned long, ino
, inode
->i_ino
)
177 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
181 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
182 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
183 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
185 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start
)
186 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode
)
188 #endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
190 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
192 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class
,
193 TP_PROTO(struct bdi_writeback
*wb
, struct wb_writeback_work
*work
),
196 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
202 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class
,
203 TP_PROTO(struct backing_dev_info
*bdi
, struct wb_writeback_work
*work
),
206 ctf_string(name
, lttng_bdi_dev_name(bdi
))
210 #endif /* #else if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
212 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
214 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
215 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
216 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
219 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
221 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
222 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
223 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
226 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
228 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread
)
229 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue
)
230 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec
)
231 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
232 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start
)
233 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written
)
234 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait
)
237 LTTNG_TRACEPOINT_EVENT(writeback_pages_written
,
238 TP_PROTO(long pages_written
),
239 TP_ARGS(pages_written
),
241 ctf_integer(long, pages
, pages_written
)
245 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
247 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class
,
248 TP_PROTO(struct bdi_writeback
*wb
),
251 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
255 #undef DEFINE_WRITEBACK_EVENT
256 #define DEFINE_WRITEBACK_EVENT(name) \
257 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
258 TP_PROTO(struct bdi_writeback *wb), \
261 #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
262 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
263 TP_PROTO(struct bdi_writeback *wb), \
266 LTTNG_TRACEPOINT_EVENT(writeback_bdi_register
,
267 TP_PROTO(struct backing_dev_info
*bdi
),
270 ctf_string(name
, lttng_bdi_dev_name(bdi
))
274 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
276 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class
,
277 TP_PROTO(struct backing_dev_info
*bdi
),
280 ctf_string(name
, lttng_bdi_dev_name(bdi
))
284 #undef DEFINE_WRITEBACK_EVENT
285 #define DEFINE_WRITEBACK_EVENT(name) \
286 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
287 TP_PROTO(struct backing_dev_info *bdi), \
290 #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
291 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
292 TP_PROTO(struct backing_dev_info *bdi), \
295 DEFINE_WRITEBACK_EVENT(writeback_bdi_register
)
297 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
299 DEFINE_WRITEBACK_EVENT(writeback_nowork
)
300 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,38))
301 DEFINE_WRITEBACK_EVENT(writeback_wake_background
)
303 DEFINE_WRITEBACK_EVENT(writeback_wake_thread
)
304 DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread
)
305 DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister
)
306 DEFINE_WRITEBACK_EVENT(writeback_thread_start
)
307 DEFINE_WRITEBACK_EVENT(writeback_thread_stop
)
308 #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
309 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start
, writeback_balance_dirty_start
)
310 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait
, writeback_balance_dirty_wait
)
312 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written
,
314 writeback_balance_dirty_written
,
316 TP_PROTO(struct backing_dev_info
*bdi
, int written
),
318 TP_ARGS(bdi
, written
),
321 ctf_string(name
, lttng_bdi_dev_name(bdi
))
322 ctf_integer(int, written
, written
)
327 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class
,
328 TP_PROTO(struct writeback_control
*wbc
, struct backing_dev_info
*bdi
),
331 ctf_string(name
, lttng_bdi_dev_name(bdi
))
332 ctf_integer(long, nr_to_write
, wbc
->nr_to_write
)
333 ctf_integer(long, pages_skipped
, wbc
->pages_skipped
)
334 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
335 ctf_integer(int, for_kupdate
, wbc
->for_kupdate
)
336 ctf_integer(int, for_background
, wbc
->for_background
)
337 ctf_integer(int, for_reclaim
, wbc
->for_reclaim
)
338 ctf_integer(int, range_cyclic
, wbc
->range_cyclic
)
339 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
340 ctf_integer(int, more_io
, wbc
->more_io
)
341 ctf_integer(unsigned long, older_than_this
,
342 wbc
->older_than_this
? *wbc
->older_than_this
: 0)
344 ctf_integer(long, range_start
, (long) wbc
->range_start
)
345 ctf_integer(long, range_end
, (long) wbc
->range_end
)
349 #undef DEFINE_WBC_EVENT
350 #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
351 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
352 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
354 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
355 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start
, writeback_wbc_writeback_start
)
356 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written
, writeback_wbc_writeback_written
)
357 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait
, writeback_wbc_writeback_wait
)
358 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start
, writeback_wbc_balance_dirty_start
)
359 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written
, writeback_wbc_balance_dirty_written
)
360 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait
, writeback_wbc_balance_dirty_wait
)
362 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage
, writeback_wbc_writepage
)
364 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
365 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
366 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
367 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
368 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
369 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
370 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
371 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0))
372 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
373 TP_PROTO(struct bdi_writeback
*wb
,
374 struct wb_writeback_work
*work
,
375 unsigned long dirtied_before
,
377 TP_ARGS(wb
, work
, dirtied_before
, moved
),
379 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
380 ctf_integer(unsigned long, older
, dirtied_before
)
381 ctf_integer(int, moved
, moved
)
384 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
385 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
386 TP_PROTO(struct bdi_writeback
*wb
,
387 struct wb_writeback_work
*work
,
389 TP_ARGS(wb
, work
, moved
),
391 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
392 ctf_integer(int, moved
, moved
)
395 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
396 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
397 TP_PROTO(struct bdi_writeback
*wb
,
398 unsigned long *older_than_this
,
400 TP_ARGS(wb
, older_than_this
, moved
),
402 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
403 ctf_integer(unsigned long, older
,
404 older_than_this
? *older_than_this
: 0)
405 ctf_integer(long, age
,
407 (jiffies
- *older_than_this
) * 1000 / HZ
409 ctf_integer(int, moved
, moved
)
414 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
415 LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state
,
417 writeback_global_dirty_state
,
419 TP_PROTO(unsigned long background_thresh
,
420 unsigned long dirty_thresh
423 TP_ARGS(background_thresh
,
428 ctf_integer(unsigned long, nr_dirty
, global_node_page_state(NR_FILE_DIRTY
))
429 ctf_integer(unsigned long, nr_writeback
, global_node_page_state(NR_WRITEBACK
))
430 ctf_integer(unsigned long, nr_unstable
, global_node_page_state(NR_UNSTABLE_NFS
))
431 ctf_integer(unsigned long, nr_dirtied
, global_node_page_state(NR_DIRTIED
))
432 ctf_integer(unsigned long, nr_written
, global_node_page_state(NR_WRITTEN
))
433 ctf_integer(unsigned long, background_thresh
, background_thresh
)
434 ctf_integer(unsigned long, dirty_thresh
, dirty_thresh
)
435 ctf_integer(unsigned long, dirty_limit
, global_dirty_limit
)
438 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
439 LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state
,
441 writeback_global_dirty_state
,
443 TP_PROTO(unsigned long background_thresh
,
444 unsigned long dirty_thresh
447 TP_ARGS(background_thresh
,
452 ctf_integer(unsigned long, nr_dirty
, global_page_state(NR_FILE_DIRTY
))
453 ctf_integer(unsigned long, nr_writeback
, global_page_state(NR_WRITEBACK
))
454 ctf_integer(unsigned long, nr_unstable
, global_page_state(NR_UNSTABLE_NFS
))
455 ctf_integer(unsigned long, nr_dirtied
, global_page_state(NR_DIRTIED
))
456 ctf_integer(unsigned long, nr_written
, global_page_state(NR_WRITTEN
))
457 ctf_integer(unsigned long, background_thresh
, background_thresh
)
458 ctf_integer(unsigned long, dirty_thresh
, dirty_thresh
)
459 ctf_integer(unsigned long, dirty_limit
, global_dirty_limit
)
464 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
466 #define KBps(x) ((x) << (PAGE_SHIFT - 10))
468 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
470 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
472 writeback_bdi_dirty_ratelimit
,
474 TP_PROTO(struct bdi_writeback
*wb
,
475 unsigned long dirty_rate
,
476 unsigned long task_ratelimit
),
478 TP_ARGS(wb
, dirty_rate
, task_ratelimit
),
481 ctf_string(bdi
, lttng_bdi_dev_name(wb
->bdi
))
482 ctf_integer(unsigned long, write_bw
, KBps(wb
->bdi
->wb
.write_bandwidth
))
483 ctf_integer(unsigned long, avg_write_bw
, KBps(wb
->bdi
->wb
.avg_write_bandwidth
))
484 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
485 ctf_integer(unsigned long, dirty_ratelimit
, KBps(wb
->bdi
->wb
.dirty_ratelimit
))
486 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
487 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
488 KBps(wb
->bdi
->wb
.balanced_dirty_ratelimit
))
492 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
494 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
496 writeback_bdi_dirty_ratelimit
,
498 TP_PROTO(struct backing_dev_info
*bdi
,
499 unsigned long dirty_rate
,
500 unsigned long task_ratelimit
),
502 TP_ARGS(bdi
, dirty_rate
, task_ratelimit
),
505 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
506 ctf_integer(unsigned long, write_bw
, KBps(bdi
->wb
.write_bandwidth
))
507 ctf_integer(unsigned long, avg_write_bw
, KBps(bdi
->wb
.avg_write_bandwidth
))
508 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
509 ctf_integer(unsigned long, dirty_ratelimit
, KBps(bdi
->wb
.dirty_ratelimit
))
510 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
511 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
512 KBps(bdi
->wb
.balanced_dirty_ratelimit
))
516 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
518 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
520 writeback_bdi_dirty_ratelimit
,
522 TP_PROTO(struct backing_dev_info
*bdi
,
523 unsigned long dirty_rate
,
524 unsigned long task_ratelimit
),
526 TP_ARGS(bdi
, dirty_rate
, task_ratelimit
),
529 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
530 ctf_integer(unsigned long, write_bw
, KBps(bdi
->write_bandwidth
))
531 ctf_integer(unsigned long, avg_write_bw
, KBps(bdi
->avg_write_bandwidth
))
532 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
533 ctf_integer(unsigned long, dirty_ratelimit
, KBps(bdi
->dirty_ratelimit
))
534 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
535 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
536 KBps(bdi
->balanced_dirty_ratelimit
))
540 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
542 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
544 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages
,
546 writeback_balance_dirty_pages
,
548 TP_PROTO(struct bdi_writeback
*wb
,
549 unsigned long thresh
,
550 unsigned long bg_thresh
,
552 unsigned long bdi_thresh
,
553 unsigned long bdi_dirty
,
554 unsigned long dirty_ratelimit
,
555 unsigned long task_ratelimit
,
556 unsigned long dirtied
,
557 unsigned long period
,
559 unsigned long start_time
),
561 TP_ARGS(wb
, thresh
, bg_thresh
, dirty
, bdi_thresh
, bdi_dirty
,
562 dirty_ratelimit
, task_ratelimit
,
563 dirtied
, period
, pause
, start_time
567 ctf_string(bdi
, lttng_bdi_dev_name(wb
->bdi
))
568 ctf_integer(unsigned long, limit
, global_dirty_limit
)
569 ctf_integer(unsigned long, setpoint
,
570 (global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2)
571 ctf_integer(unsigned long, dirty
, dirty
)
572 ctf_integer(unsigned long, bdi_setpoint
,
573 ((global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2) *
574 bdi_thresh
/ (thresh
+ 1))
575 ctf_integer(unsigned long, bdi_dirty
, bdi_dirty
)
576 ctf_integer(unsigned long, dirty_ratelimit
,
577 KBps(dirty_ratelimit
))
578 ctf_integer(unsigned long, task_ratelimit
,
579 KBps(task_ratelimit
))
580 ctf_integer(unsigned int, dirtied
, dirtied
)
581 ctf_integer(unsigned int, dirtied_pause
,
582 current
->nr_dirtied_pause
)
583 ctf_integer(unsigned long, paused
,
584 (jiffies
- start_time
) * 1000 / HZ
)
585 ctf_integer(long, pause
, pause
* 1000 / HZ
)
586 ctf_integer(unsigned long, period
,
588 ctf_integer(long, think
,
589 current
->dirty_paused_when
== 0 ? 0 :
590 (long)(jiffies
- current
->dirty_paused_when
) * 1000/HZ
)
594 #else /* #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
596 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages
,
598 writeback_balance_dirty_pages
,
600 TP_PROTO(struct backing_dev_info
*bdi
,
601 unsigned long thresh
,
602 unsigned long bg_thresh
,
604 unsigned long bdi_thresh
,
605 unsigned long bdi_dirty
,
606 unsigned long dirty_ratelimit
,
607 unsigned long task_ratelimit
,
608 unsigned long dirtied
,
609 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
610 unsigned long period
,
613 unsigned long start_time
),
615 TP_ARGS(bdi
, thresh
, bg_thresh
, dirty
, bdi_thresh
, bdi_dirty
,
616 dirty_ratelimit
, task_ratelimit
,
617 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
618 dirtied
, period
, pause
, start_time
620 dirtied
, pause
, start_time
625 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
626 ctf_integer(unsigned long, limit
, global_dirty_limit
)
627 ctf_integer(unsigned long, setpoint
,
628 (global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2)
629 ctf_integer(unsigned long, dirty
, dirty
)
630 ctf_integer(unsigned long, bdi_setpoint
,
631 ((global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2) *
632 bdi_thresh
/ (thresh
+ 1))
633 ctf_integer(unsigned long, bdi_dirty
, bdi_dirty
)
634 ctf_integer(unsigned long, dirty_ratelimit
,
635 KBps(dirty_ratelimit
))
636 ctf_integer(unsigned long, task_ratelimit
,
637 KBps(task_ratelimit
))
638 ctf_integer(unsigned int, dirtied
, dirtied
)
639 ctf_integer(unsigned int, dirtied_pause
,
640 current
->nr_dirtied_pause
)
641 ctf_integer(unsigned long, paused
,
642 (jiffies
- start_time
) * 1000 / HZ
)
643 ctf_integer(long, pause
, pause
* 1000 / HZ
)
644 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
645 ctf_integer(unsigned long, period
,
647 ctf_integer(long, think
,
648 current
->dirty_paused_when
== 0 ? 0 :
649 (long)(jiffies
- current
->dirty_paused_when
) * 1000/HZ
)
653 #endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
655 #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) */
657 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0))
658 LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue
,
660 TP_PROTO(struct inode
*inode
),
664 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
665 ctf_integer(unsigned long, ino
, inode
->i_ino
)
666 ctf_integer(unsigned long, state
, inode
->i_state
)
667 ctf_integer(unsigned long, dirtied_when
, inode
->dirtied_when
)
672 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,37))
673 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template
,
675 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
677 TP_ARGS(usec_timeout
, usec_delayed
),
680 ctf_integer(unsigned int, usec_timeout
, usec_timeout
)
681 ctf_integer(unsigned int, usec_delayed
, usec_delayed
)
685 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template
, writeback_congestion_wait
,
687 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
689 TP_ARGS(usec_timeout
, usec_delayed
)
692 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template
, writeback_wait_iff_congested
,
694 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
696 TP_ARGS(usec_timeout
, usec_delayed
)
700 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
701 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template
,
703 TP_PROTO(struct inode
*inode
,
704 struct writeback_control
*wbc
,
705 unsigned long nr_to_write
708 TP_ARGS(inode
, wbc
, nr_to_write
),
711 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
712 ctf_integer(unsigned long, ino
, inode
->i_ino
)
713 ctf_integer(unsigned long, state
, inode
->i_state
)
714 ctf_integer(unsigned long, dirtied_when
, inode
->dirtied_when
)
715 ctf_integer(unsigned long, writeback_index
,
716 inode
->i_mapping
->writeback_index
)
717 ctf_integer(long, nr_to_write
, nr_to_write
)
718 ctf_integer(unsigned long, wrote
,
719 nr_to_write
- wbc
->nr_to_write
)
723 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,5,0))
724 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template
, writeback_single_inode_requeue
,
725 TP_PROTO(struct inode
*inode
,
726 struct writeback_control
*wbc
,
727 unsigned long nr_to_write
),
728 TP_ARGS(inode
, wbc
, nr_to_write
)
732 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template
, writeback_single_inode
,
733 TP_PROTO(struct inode
*inode
,
734 struct writeback_control
*wbc
,
735 unsigned long nr_to_write
),
736 TP_ARGS(inode
, wbc
, nr_to_write
)
740 #endif /* LTTNG_TRACE_WRITEBACK_H */
742 /* This part must be outside protection */
743 #include <probes/define_trace.h>