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_
17 * Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use
18 * static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name
19 * symbol which is not exported to GPL modules.
21 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0))
22 static inline const char *lttng_bdi_dev_name(struct backing_dev_info
*bdi
)
24 return bdi_dev_name(bdi
);
27 static inline const char *lttng_bdi_dev_name(struct backing_dev_info
*bdi
)
29 if (!bdi
|| !bdi
->dev
)
31 return dev_name(bdi
->dev
);
36 * Vanilla kernels before 4.0 do not implement inode_to_bdi
37 * RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi
38 * RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
39 * RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
40 * commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines
41 * inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules.
43 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0))
44 static inline struct backing_dev_info
*lttng_inode_to_bdi(struct inode
*inode
)
46 struct super_block
*sb
;
49 return &noop_backing_dev_info
;
53 if (strcmp(sb
->s_type
->name
, "bdev") == 0)
54 return inode
->i_mapping
->backing_dev_info
;
59 static inline struct backing_dev_info
*lttng_inode_to_bdi(struct inode
*inode
)
61 return inode_to_bdi(inode
);
63 #endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) */
67 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
68 #define show_inode_state(state) \
69 __print_flags(state, "|", \
70 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
71 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
72 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
74 {I_WILL_FREE, "I_WILL_FREE"}, \
75 {I_FREEING, "I_FREEING"}, \
76 {I_CLEAR, "I_CLEAR"}, \
78 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
79 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
80 {I_REFERENCED, "I_REFERENCED"} \
82 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
83 #define show_inode_state(state) \
84 __print_flags(state, "|", \
85 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
86 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
87 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
89 {I_WILL_FREE, "I_WILL_FREE"}, \
90 {I_FREEING, "I_FREEING"}, \
91 {I_CLEAR, "I_CLEAR"}, \
93 {I_REFERENCED, "I_REFERENCED"} \
95 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
97 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
99 LTTNG_TRACEPOINT_EVENT(writeback_dirty_page
,
100 TP_PROTO(struct page
*page
, struct address_space
*mapping
),
101 TP_ARGS(page
, mapping
),
103 ctf_string(name
, lttng_bdi_dev_name(mapping
? lttng_inode_to_bdi(mapping
->host
) : NULL
))
104 ctf_integer(unsigned long, ino
, mapping
? mapping
->host
->i_ino
: 0)
105 ctf_integer(pgoff_t
, index
, page
->index
)
109 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template
,
110 TP_PROTO(struct inode
*inode
, int flags
),
111 TP_ARGS(inode
, flags
),
113 /* may be called for files on pseudo FSes w/ unregistered bdi */
114 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
115 ctf_integer(unsigned long, ino
, inode
->i_ino
)
116 ctf_integer(unsigned long, state
, inode
->i_state
)
117 ctf_integer(unsigned long, flags
, flags
)
120 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
121 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
122 TP_PROTO(struct inode *inode, int flags), \
123 TP_ARGS(inode, flags))
124 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start
)
125 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode
)
126 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty
)
128 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template
,
129 TP_PROTO(struct inode
*inode
, struct writeback_control
*wbc
),
132 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
133 ctf_integer(unsigned long, ino
, inode
->i_ino
)
134 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
138 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
139 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
140 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
142 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start
)
143 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode
)
145 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
147 LTTNG_TRACEPOINT_EVENT(writeback_dirty_page
,
148 TP_PROTO(struct page
*page
, struct address_space
*mapping
),
149 TP_ARGS(page
, mapping
),
151 ctf_string(name
, lttng_bdi_dev_name(mapping
? mapping
->backing_dev_info
: NULL
))
152 ctf_integer(unsigned long, ino
, mapping
? mapping
->host
->i_ino
: 0)
153 ctf_integer(pgoff_t
, index
, page
->index
)
157 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template
,
158 TP_PROTO(struct inode
*inode
, int flags
),
159 TP_ARGS(inode
, flags
),
161 /* may be called for files on pseudo FSes w/ unregistered bdi */
162 ctf_string(name
, lttng_bdi_dev_name(inode
->i_mapping
->backing_dev_info
))
163 ctf_integer(unsigned long, ino
, inode
->i_ino
)
164 ctf_integer(unsigned long, flags
, flags
)
167 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
168 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
169 TP_PROTO(struct inode *inode, int flags), \
170 TP_ARGS(inode, flags))
171 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start
)
172 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode
)
174 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template
,
175 TP_PROTO(struct inode
*inode
, struct writeback_control
*wbc
),
178 ctf_string(name
, lttng_bdi_dev_name(inode
->i_mapping
->backing_dev_info
))
179 ctf_integer(unsigned long, ino
, inode
->i_ino
)
180 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
184 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
185 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
186 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
188 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start
)
189 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode
)
191 #endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
193 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
195 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class
,
196 TP_PROTO(struct bdi_writeback
*wb
, struct wb_writeback_work
*work
),
199 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
205 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class
,
206 TP_PROTO(struct backing_dev_info
*bdi
, struct wb_writeback_work
*work
),
209 ctf_string(name
, lttng_bdi_dev_name(bdi
))
213 #endif /* #else if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
215 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
217 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
218 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
219 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
222 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
224 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
225 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
226 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
229 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
231 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread
)
232 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue
)
233 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec
)
234 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
235 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start
)
236 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written
)
237 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait
)
240 LTTNG_TRACEPOINT_EVENT(writeback_pages_written
,
241 TP_PROTO(long pages_written
),
242 TP_ARGS(pages_written
),
244 ctf_integer(long, pages
, pages_written
)
248 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
250 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class
,
251 TP_PROTO(struct bdi_writeback
*wb
),
254 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
258 #undef DEFINE_WRITEBACK_EVENT
259 #define DEFINE_WRITEBACK_EVENT(name) \
260 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
261 TP_PROTO(struct bdi_writeback *wb), \
264 #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
265 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
266 TP_PROTO(struct bdi_writeback *wb), \
269 LTTNG_TRACEPOINT_EVENT(writeback_bdi_register
,
270 TP_PROTO(struct backing_dev_info
*bdi
),
273 ctf_string(name
, lttng_bdi_dev_name(bdi
))
277 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
279 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class
,
280 TP_PROTO(struct backing_dev_info
*bdi
),
283 ctf_string(name
, lttng_bdi_dev_name(bdi
))
287 #undef DEFINE_WRITEBACK_EVENT
288 #define DEFINE_WRITEBACK_EVENT(name) \
289 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
290 TP_PROTO(struct backing_dev_info *bdi), \
293 #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
294 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
295 TP_PROTO(struct backing_dev_info *bdi), \
298 DEFINE_WRITEBACK_EVENT(writeback_bdi_register
)
300 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
302 DEFINE_WRITEBACK_EVENT(writeback_nowork
)
303 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,38))
304 DEFINE_WRITEBACK_EVENT(writeback_wake_background
)
306 DEFINE_WRITEBACK_EVENT(writeback_wake_thread
)
307 DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread
)
308 DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister
)
309 DEFINE_WRITEBACK_EVENT(writeback_thread_start
)
310 DEFINE_WRITEBACK_EVENT(writeback_thread_stop
)
311 #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
312 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start
, writeback_balance_dirty_start
)
313 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait
, writeback_balance_dirty_wait
)
315 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written
,
317 writeback_balance_dirty_written
,
319 TP_PROTO(struct backing_dev_info
*bdi
, int written
),
321 TP_ARGS(bdi
, written
),
324 ctf_string(name
, lttng_bdi_dev_name(bdi
))
325 ctf_integer(int, written
, written
)
330 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class
,
331 TP_PROTO(struct writeback_control
*wbc
, struct backing_dev_info
*bdi
),
334 ctf_string(name
, lttng_bdi_dev_name(bdi
))
335 ctf_integer(long, nr_to_write
, wbc
->nr_to_write
)
336 ctf_integer(long, pages_skipped
, wbc
->pages_skipped
)
337 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
338 ctf_integer(int, for_kupdate
, wbc
->for_kupdate
)
339 ctf_integer(int, for_background
, wbc
->for_background
)
340 ctf_integer(int, for_reclaim
, wbc
->for_reclaim
)
341 ctf_integer(int, range_cyclic
, wbc
->range_cyclic
)
342 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
343 ctf_integer(int, more_io
, wbc
->more_io
)
344 ctf_integer(unsigned long, older_than_this
,
345 wbc
->older_than_this
? *wbc
->older_than_this
: 0)
347 ctf_integer(long, range_start
, (long) wbc
->range_start
)
348 ctf_integer(long, range_end
, (long) wbc
->range_end
)
352 #undef DEFINE_WBC_EVENT
353 #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
354 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
355 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
357 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
358 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start
, writeback_wbc_writeback_start
)
359 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written
, writeback_wbc_writeback_written
)
360 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait
, writeback_wbc_writeback_wait
)
361 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start
, writeback_wbc_balance_dirty_start
)
362 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written
, writeback_wbc_balance_dirty_written
)
363 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait
, writeback_wbc_balance_dirty_wait
)
365 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage
, writeback_wbc_writepage
)
367 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
368 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
369 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
370 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
371 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
372 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
373 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
374 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0))
375 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
376 TP_PROTO(struct bdi_writeback
*wb
,
377 struct wb_writeback_work
*work
,
378 unsigned long dirtied_before
,
380 TP_ARGS(wb
, work
, dirtied_before
, moved
),
382 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
383 ctf_integer(unsigned long, older
, dirtied_before
)
384 ctf_integer(int, moved
, moved
)
387 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
388 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
389 TP_PROTO(struct bdi_writeback
*wb
,
390 struct wb_writeback_work
*work
,
392 TP_ARGS(wb
, work
, moved
),
394 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
395 ctf_integer(int, moved
, moved
)
398 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
399 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
400 TP_PROTO(struct bdi_writeback
*wb
,
401 unsigned long *older_than_this
,
403 TP_ARGS(wb
, older_than_this
, moved
),
405 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
406 ctf_integer(unsigned long, older
,
407 older_than_this
? *older_than_this
: 0)
408 ctf_integer(long, age
,
410 (jiffies
- *older_than_this
) * 1000 / HZ
412 ctf_integer(int, moved
, moved
)
417 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
418 LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state
,
420 writeback_global_dirty_state
,
422 TP_PROTO(unsigned long background_thresh
,
423 unsigned long dirty_thresh
426 TP_ARGS(background_thresh
,
431 ctf_integer(unsigned long, nr_dirty
, global_node_page_state(NR_FILE_DIRTY
))
432 ctf_integer(unsigned long, nr_writeback
, global_node_page_state(NR_WRITEBACK
))
433 ctf_integer(unsigned long, nr_unstable
, global_node_page_state(NR_UNSTABLE_NFS
))
434 ctf_integer(unsigned long, nr_dirtied
, global_node_page_state(NR_DIRTIED
))
435 ctf_integer(unsigned long, nr_written
, global_node_page_state(NR_WRITTEN
))
436 ctf_integer(unsigned long, background_thresh
, background_thresh
)
437 ctf_integer(unsigned long, dirty_thresh
, dirty_thresh
)
438 ctf_integer(unsigned long, dirty_limit
, global_dirty_limit
)
441 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
442 LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state
,
444 writeback_global_dirty_state
,
446 TP_PROTO(unsigned long background_thresh
,
447 unsigned long dirty_thresh
450 TP_ARGS(background_thresh
,
455 ctf_integer(unsigned long, nr_dirty
, global_page_state(NR_FILE_DIRTY
))
456 ctf_integer(unsigned long, nr_writeback
, global_page_state(NR_WRITEBACK
))
457 ctf_integer(unsigned long, nr_unstable
, global_page_state(NR_UNSTABLE_NFS
))
458 ctf_integer(unsigned long, nr_dirtied
, global_page_state(NR_DIRTIED
))
459 ctf_integer(unsigned long, nr_written
, global_page_state(NR_WRITTEN
))
460 ctf_integer(unsigned long, background_thresh
, background_thresh
)
461 ctf_integer(unsigned long, dirty_thresh
, dirty_thresh
)
462 ctf_integer(unsigned long, dirty_limit
, global_dirty_limit
)
467 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
469 #define KBps(x) ((x) << (PAGE_SHIFT - 10))
471 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
473 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
475 writeback_bdi_dirty_ratelimit
,
477 TP_PROTO(struct bdi_writeback
*wb
,
478 unsigned long dirty_rate
,
479 unsigned long task_ratelimit
),
481 TP_ARGS(wb
, dirty_rate
, task_ratelimit
),
484 ctf_string(bdi
, lttng_bdi_dev_name(wb
->bdi
))
485 ctf_integer(unsigned long, write_bw
, KBps(wb
->bdi
->wb
.write_bandwidth
))
486 ctf_integer(unsigned long, avg_write_bw
, KBps(wb
->bdi
->wb
.avg_write_bandwidth
))
487 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
488 ctf_integer(unsigned long, dirty_ratelimit
, KBps(wb
->bdi
->wb
.dirty_ratelimit
))
489 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
490 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
491 KBps(wb
->bdi
->wb
.balanced_dirty_ratelimit
))
495 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
497 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
499 writeback_bdi_dirty_ratelimit
,
501 TP_PROTO(struct backing_dev_info
*bdi
,
502 unsigned long dirty_rate
,
503 unsigned long task_ratelimit
),
505 TP_ARGS(bdi
, dirty_rate
, task_ratelimit
),
508 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
509 ctf_integer(unsigned long, write_bw
, KBps(bdi
->wb
.write_bandwidth
))
510 ctf_integer(unsigned long, avg_write_bw
, KBps(bdi
->wb
.avg_write_bandwidth
))
511 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
512 ctf_integer(unsigned long, dirty_ratelimit
, KBps(bdi
->wb
.dirty_ratelimit
))
513 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
514 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
515 KBps(bdi
->wb
.balanced_dirty_ratelimit
))
519 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
521 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
523 writeback_bdi_dirty_ratelimit
,
525 TP_PROTO(struct backing_dev_info
*bdi
,
526 unsigned long dirty_rate
,
527 unsigned long task_ratelimit
),
529 TP_ARGS(bdi
, dirty_rate
, task_ratelimit
),
532 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
533 ctf_integer(unsigned long, write_bw
, KBps(bdi
->write_bandwidth
))
534 ctf_integer(unsigned long, avg_write_bw
, KBps(bdi
->avg_write_bandwidth
))
535 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
536 ctf_integer(unsigned long, dirty_ratelimit
, KBps(bdi
->dirty_ratelimit
))
537 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
538 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
539 KBps(bdi
->balanced_dirty_ratelimit
))
543 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
545 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
547 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages
,
549 writeback_balance_dirty_pages
,
551 TP_PROTO(struct bdi_writeback
*wb
,
552 unsigned long thresh
,
553 unsigned long bg_thresh
,
555 unsigned long bdi_thresh
,
556 unsigned long bdi_dirty
,
557 unsigned long dirty_ratelimit
,
558 unsigned long task_ratelimit
,
559 unsigned long dirtied
,
560 unsigned long period
,
562 unsigned long start_time
),
564 TP_ARGS(wb
, thresh
, bg_thresh
, dirty
, bdi_thresh
, bdi_dirty
,
565 dirty_ratelimit
, task_ratelimit
,
566 dirtied
, period
, pause
, start_time
570 ctf_string(bdi
, lttng_bdi_dev_name(wb
->bdi
))
571 ctf_integer(unsigned long, limit
, global_dirty_limit
)
572 ctf_integer(unsigned long, setpoint
,
573 (global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2)
574 ctf_integer(unsigned long, dirty
, dirty
)
575 ctf_integer(unsigned long, bdi_setpoint
,
576 ((global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2) *
577 bdi_thresh
/ (thresh
+ 1))
578 ctf_integer(unsigned long, bdi_dirty
, bdi_dirty
)
579 ctf_integer(unsigned long, dirty_ratelimit
,
580 KBps(dirty_ratelimit
))
581 ctf_integer(unsigned long, task_ratelimit
,
582 KBps(task_ratelimit
))
583 ctf_integer(unsigned int, dirtied
, dirtied
)
584 ctf_integer(unsigned int, dirtied_pause
,
585 current
->nr_dirtied_pause
)
586 ctf_integer(unsigned long, paused
,
587 (jiffies
- start_time
) * 1000 / HZ
)
588 ctf_integer(long, pause
, pause
* 1000 / HZ
)
589 ctf_integer(unsigned long, period
,
591 ctf_integer(long, think
,
592 current
->dirty_paused_when
== 0 ? 0 :
593 (long)(jiffies
- current
->dirty_paused_when
) * 1000/HZ
)
597 #else /* #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
599 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages
,
601 writeback_balance_dirty_pages
,
603 TP_PROTO(struct backing_dev_info
*bdi
,
604 unsigned long thresh
,
605 unsigned long bg_thresh
,
607 unsigned long bdi_thresh
,
608 unsigned long bdi_dirty
,
609 unsigned long dirty_ratelimit
,
610 unsigned long task_ratelimit
,
611 unsigned long dirtied
,
612 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
613 unsigned long period
,
616 unsigned long start_time
),
618 TP_ARGS(bdi
, thresh
, bg_thresh
, dirty
, bdi_thresh
, bdi_dirty
,
619 dirty_ratelimit
, task_ratelimit
,
620 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
621 dirtied
, period
, pause
, start_time
623 dirtied
, pause
, start_time
628 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
629 ctf_integer(unsigned long, limit
, global_dirty_limit
)
630 ctf_integer(unsigned long, setpoint
,
631 (global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2)
632 ctf_integer(unsigned long, dirty
, dirty
)
633 ctf_integer(unsigned long, bdi_setpoint
,
634 ((global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2) *
635 bdi_thresh
/ (thresh
+ 1))
636 ctf_integer(unsigned long, bdi_dirty
, bdi_dirty
)
637 ctf_integer(unsigned long, dirty_ratelimit
,
638 KBps(dirty_ratelimit
))
639 ctf_integer(unsigned long, task_ratelimit
,
640 KBps(task_ratelimit
))
641 ctf_integer(unsigned int, dirtied
, dirtied
)
642 ctf_integer(unsigned int, dirtied_pause
,
643 current
->nr_dirtied_pause
)
644 ctf_integer(unsigned long, paused
,
645 (jiffies
- start_time
) * 1000 / HZ
)
646 ctf_integer(long, pause
, pause
* 1000 / HZ
)
647 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
648 ctf_integer(unsigned long, period
,
650 ctf_integer(long, think
,
651 current
->dirty_paused_when
== 0 ? 0 :
652 (long)(jiffies
- current
->dirty_paused_when
) * 1000/HZ
)
656 #endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
658 #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) */
660 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0))
661 LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue
,
663 TP_PROTO(struct inode
*inode
),
667 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
668 ctf_integer(unsigned long, ino
, inode
->i_ino
)
669 ctf_integer(unsigned long, state
, inode
->i_state
)
670 ctf_integer(unsigned long, dirtied_when
, inode
->dirtied_when
)
675 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,37))
676 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template
,
678 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
680 TP_ARGS(usec_timeout
, usec_delayed
),
683 ctf_integer(unsigned int, usec_timeout
, usec_timeout
)
684 ctf_integer(unsigned int, usec_delayed
, usec_delayed
)
688 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template
, writeback_congestion_wait
,
690 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
692 TP_ARGS(usec_timeout
, usec_delayed
)
695 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template
, writeback_wait_iff_congested
,
697 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
699 TP_ARGS(usec_timeout
, usec_delayed
)
703 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
704 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template
,
706 TP_PROTO(struct inode
*inode
,
707 struct writeback_control
*wbc
,
708 unsigned long nr_to_write
711 TP_ARGS(inode
, wbc
, nr_to_write
),
714 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
715 ctf_integer(unsigned long, ino
, inode
->i_ino
)
716 ctf_integer(unsigned long, state
, inode
->i_state
)
717 ctf_integer(unsigned long, dirtied_when
, inode
->dirtied_when
)
718 ctf_integer(unsigned long, writeback_index
,
719 inode
->i_mapping
->writeback_index
)
720 ctf_integer(long, nr_to_write
, nr_to_write
)
721 ctf_integer(unsigned long, wrote
,
722 nr_to_write
- wbc
->nr_to_write
)
726 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,5,0))
727 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template
, writeback_single_inode_requeue
,
728 TP_PROTO(struct inode
*inode
,
729 struct writeback_control
*wbc
,
730 unsigned long nr_to_write
),
731 TP_ARGS(inode
, wbc
, nr_to_write
)
735 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template
, writeback_single_inode
,
736 TP_PROTO(struct inode
*inode
,
737 struct writeback_control
*wbc
,
738 unsigned long nr_to_write
),
739 TP_ARGS(inode
, wbc
, nr_to_write
)
743 #endif /* LTTNG_TRACE_WRITEBACK_H */
745 /* This part must be outside protection */
746 #include <probes/define_trace.h>