1 /* SPDX-License-Identifier: GPL-2.0-only */
3 #define TRACE_SYSTEM writeback
5 #if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define LTTNG_TRACE_WRITEBACK_H
8 #include <lttng/tracepoint-event.h>
9 #include <linux/tracepoint.h>
10 #include <linux/backing-dev.h>
11 #include <linux/writeback.h>
12 #include <lttng/kernel-version.h>
14 #ifndef _TRACE_WRITEBACK_DEF_
15 #define _TRACE_WRITEBACK_DEF_
18 * Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use
19 * static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name
20 * symbol which is not exported to GPL modules.
22 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0))
23 static inline const char *lttng_bdi_dev_name(struct backing_dev_info
*bdi
)
25 return bdi_dev_name(bdi
);
28 static inline const char *lttng_bdi_dev_name(struct backing_dev_info
*bdi
)
30 if (!bdi
|| !bdi
->dev
)
32 return dev_name(bdi
->dev
);
37 * Vanilla kernels before 4.0 do not implement inode_to_bdi
38 * RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi
39 * RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
40 * RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
41 * commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines
42 * inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules.
44 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0))
45 static inline struct backing_dev_info
*lttng_inode_to_bdi(struct inode
*inode
)
47 struct super_block
*sb
;
50 return &noop_backing_dev_info
;
54 if (strcmp(sb
->s_type
->name
, "bdev") == 0)
55 return inode
->i_mapping
->backing_dev_info
;
60 static inline struct backing_dev_info
*lttng_inode_to_bdi(struct inode
*inode
)
62 return inode_to_bdi(inode
);
64 #endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) */
68 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
69 LTTNG_UBUNTU_KERNEL_RANGE(5,4,94,67, 5,5,0,0))
70 #define show_inode_state(state) \
71 __print_flags(state, "|", \
72 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
73 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
74 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
76 {I_WILL_FREE, "I_WILL_FREE"}, \
77 {I_FREEING, "I_FREEING"}, \
78 {I_CLEAR, "I_CLEAR"}, \
80 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
81 {I_REFERENCED, "I_REFERENCED"} \
83 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
84 #define show_inode_state(state) \
85 __print_flags(state, "|", \
86 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
87 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
88 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
90 {I_WILL_FREE, "I_WILL_FREE"}, \
91 {I_FREEING, "I_FREEING"}, \
92 {I_CLEAR, "I_CLEAR"}, \
94 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
95 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
96 {I_REFERENCED, "I_REFERENCED"} \
98 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
99 #define show_inode_state(state) \
100 __print_flags(state, "|", \
101 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
102 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
103 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
105 {I_WILL_FREE, "I_WILL_FREE"}, \
106 {I_FREEING, "I_FREEING"}, \
107 {I_CLEAR, "I_CLEAR"}, \
108 {I_SYNC, "I_SYNC"}, \
109 {I_REFERENCED, "I_REFERENCED"} \
111 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
113 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
115 LTTNG_TRACEPOINT_EVENT(writeback_dirty_page
,
116 TP_PROTO(struct page
*page
, struct address_space
*mapping
),
117 TP_ARGS(page
, mapping
),
119 ctf_string(name
, lttng_bdi_dev_name(mapping
? lttng_inode_to_bdi(mapping
->host
) : NULL
))
120 ctf_integer(unsigned long, ino
, mapping
? mapping
->host
->i_ino
: 0)
121 ctf_integer(pgoff_t
, index
, page
->index
)
125 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template
,
126 TP_PROTO(struct inode
*inode
, int flags
),
127 TP_ARGS(inode
, flags
),
129 /* may be called for files on pseudo FSes w/ unregistered bdi */
130 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
131 ctf_integer(unsigned long, ino
, inode
->i_ino
)
132 ctf_integer(unsigned long, state
, inode
->i_state
)
133 ctf_integer(unsigned long, flags
, flags
)
136 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
137 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
138 TP_PROTO(struct inode *inode, int flags), \
139 TP_ARGS(inode, flags))
140 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start
)
141 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode
)
142 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty
)
144 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template
,
145 TP_PROTO(struct inode
*inode
, struct writeback_control
*wbc
),
148 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
149 ctf_integer(unsigned long, ino
, inode
->i_ino
)
150 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
154 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
155 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
156 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
158 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start
)
159 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode
)
161 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
163 LTTNG_TRACEPOINT_EVENT(writeback_dirty_page
,
164 TP_PROTO(struct page
*page
, struct address_space
*mapping
),
165 TP_ARGS(page
, mapping
),
167 ctf_string(name
, lttng_bdi_dev_name(mapping
? mapping
->backing_dev_info
: NULL
))
168 ctf_integer(unsigned long, ino
, mapping
? mapping
->host
->i_ino
: 0)
169 ctf_integer(pgoff_t
, index
, page
->index
)
173 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template
,
174 TP_PROTO(struct inode
*inode
, int flags
),
175 TP_ARGS(inode
, flags
),
177 /* may be called for files on pseudo FSes w/ unregistered bdi */
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(unsigned long, flags
, flags
)
183 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
184 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
185 TP_PROTO(struct inode *inode, int flags), \
186 TP_ARGS(inode, flags))
187 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start
)
188 LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode
)
190 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template
,
191 TP_PROTO(struct inode
*inode
, struct writeback_control
*wbc
),
194 ctf_string(name
, lttng_bdi_dev_name(inode
->i_mapping
->backing_dev_info
))
195 ctf_integer(unsigned long, ino
, inode
->i_ino
)
196 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
200 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
201 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
202 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
204 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start
)
205 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode
)
207 #endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
209 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
211 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class
,
212 TP_PROTO(struct bdi_writeback
*wb
, struct wb_writeback_work
*work
),
215 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
221 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class
,
222 TP_PROTO(struct backing_dev_info
*bdi
, struct wb_writeback_work
*work
),
225 ctf_string(name
, lttng_bdi_dev_name(bdi
))
229 #endif /* #else if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
231 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
233 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
234 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
235 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
238 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
240 #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
241 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
242 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
245 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
247 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread
)
248 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue
)
249 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec
)
250 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
251 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start
)
252 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written
)
253 LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait
)
256 LTTNG_TRACEPOINT_EVENT(writeback_pages_written
,
257 TP_PROTO(long pages_written
),
258 TP_ARGS(pages_written
),
260 ctf_integer(long, pages
, pages_written
)
264 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
266 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class
,
267 TP_PROTO(struct bdi_writeback
*wb
),
270 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
274 #undef DEFINE_WRITEBACK_EVENT
275 #define DEFINE_WRITEBACK_EVENT(name) \
276 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
277 TP_PROTO(struct bdi_writeback *wb), \
280 #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
281 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
282 TP_PROTO(struct bdi_writeback *wb), \
285 LTTNG_TRACEPOINT_EVENT(writeback_bdi_register
,
286 TP_PROTO(struct backing_dev_info
*bdi
),
289 ctf_string(name
, lttng_bdi_dev_name(bdi
))
293 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
295 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class
,
296 TP_PROTO(struct backing_dev_info
*bdi
),
299 ctf_string(name
, lttng_bdi_dev_name(bdi
))
303 #undef DEFINE_WRITEBACK_EVENT
304 #define DEFINE_WRITEBACK_EVENT(name) \
305 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
306 TP_PROTO(struct backing_dev_info *bdi), \
309 #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
310 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
311 TP_PROTO(struct backing_dev_info *bdi), \
314 DEFINE_WRITEBACK_EVENT(writeback_bdi_register
)
316 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
318 DEFINE_WRITEBACK_EVENT(writeback_nowork
)
319 DEFINE_WRITEBACK_EVENT(writeback_wake_background
)
320 DEFINE_WRITEBACK_EVENT(writeback_wake_thread
)
321 DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread
)
322 DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister
)
323 DEFINE_WRITEBACK_EVENT(writeback_thread_start
)
324 DEFINE_WRITEBACK_EVENT(writeback_thread_stop
)
325 #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
326 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start
, writeback_balance_dirty_start
)
327 DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait
, writeback_balance_dirty_wait
)
329 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written
,
331 writeback_balance_dirty_written
,
333 TP_PROTO(struct backing_dev_info
*bdi
, int written
),
335 TP_ARGS(bdi
, written
),
338 ctf_string(name
, lttng_bdi_dev_name(bdi
))
339 ctf_integer(int, written
, written
)
344 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class
,
345 TP_PROTO(struct writeback_control
*wbc
, struct backing_dev_info
*bdi
),
348 ctf_string(name
, lttng_bdi_dev_name(bdi
))
349 ctf_integer(long, nr_to_write
, wbc
->nr_to_write
)
350 ctf_integer(long, pages_skipped
, wbc
->pages_skipped
)
351 ctf_integer(int, sync_mode
, wbc
->sync_mode
)
352 ctf_integer(int, for_kupdate
, wbc
->for_kupdate
)
353 ctf_integer(int, for_background
, wbc
->for_background
)
354 ctf_integer(int, for_reclaim
, wbc
->for_reclaim
)
355 ctf_integer(int, range_cyclic
, wbc
->range_cyclic
)
356 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
357 ctf_integer(int, more_io
, wbc
->more_io
)
358 ctf_integer(unsigned long, older_than_this
,
359 wbc
->older_than_this
? *wbc
->older_than_this
: 0)
361 ctf_integer(long, range_start
, (long) wbc
->range_start
)
362 ctf_integer(long, range_end
, (long) wbc
->range_end
)
366 #undef DEFINE_WBC_EVENT
367 #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
368 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
369 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
371 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
372 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start
, writeback_wbc_writeback_start
)
373 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written
, writeback_wbc_writeback_written
)
374 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait
, writeback_wbc_writeback_wait
)
375 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start
, writeback_wbc_balance_dirty_start
)
376 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written
, writeback_wbc_balance_dirty_written
)
377 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait
, writeback_wbc_balance_dirty_wait
)
379 LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage
, writeback_wbc_writepage
)
381 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
382 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
383 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
384 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
385 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
386 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
387 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
388 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0))
389 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
390 TP_PROTO(struct bdi_writeback
*wb
,
391 struct wb_writeback_work
*work
,
392 unsigned long dirtied_before
,
394 TP_ARGS(wb
, work
, dirtied_before
, moved
),
396 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
397 ctf_integer(unsigned long, older
, dirtied_before
)
398 ctf_integer(int, moved
, moved
)
401 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
402 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
403 TP_PROTO(struct bdi_writeback
*wb
,
404 struct wb_writeback_work
*work
,
406 TP_ARGS(wb
, work
, moved
),
408 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
409 ctf_integer(int, moved
, moved
)
412 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
413 LTTNG_TRACEPOINT_EVENT(writeback_queue_io
,
414 TP_PROTO(struct bdi_writeback
*wb
,
415 unsigned long *older_than_this
,
417 TP_ARGS(wb
, older_than_this
, moved
),
419 ctf_string(name
, lttng_bdi_dev_name(wb
->bdi
))
420 ctf_integer(unsigned long, older
,
421 older_than_this
? *older_than_this
: 0)
422 ctf_integer(long, age
,
424 (jiffies
- *older_than_this
) * 1000 / HZ
426 ctf_integer(int, moved
, moved
)
431 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0))
432 LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state
,
434 writeback_global_dirty_state
,
436 TP_PROTO(unsigned long background_thresh
,
437 unsigned long dirty_thresh
440 TP_ARGS(background_thresh
,
445 ctf_integer(unsigned long, nr_dirty
, global_node_page_state(NR_FILE_DIRTY
))
446 ctf_integer(unsigned long, nr_writeback
, global_node_page_state(NR_WRITEBACK
))
447 ctf_integer(unsigned long, nr_dirtied
, global_node_page_state(NR_DIRTIED
))
448 ctf_integer(unsigned long, nr_written
, global_node_page_state(NR_WRITTEN
))
449 ctf_integer(unsigned long, background_thresh
, background_thresh
)
450 ctf_integer(unsigned long, dirty_thresh
, dirty_thresh
)
451 ctf_integer(unsigned long, dirty_limit
, global_dirty_limit
)
454 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
455 LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state
,
457 writeback_global_dirty_state
,
459 TP_PROTO(unsigned long background_thresh
,
460 unsigned long dirty_thresh
463 TP_ARGS(background_thresh
,
468 ctf_integer(unsigned long, nr_dirty
, global_node_page_state(NR_FILE_DIRTY
))
469 ctf_integer(unsigned long, nr_writeback
, global_node_page_state(NR_WRITEBACK
))
470 ctf_integer(unsigned long, nr_unstable
, global_node_page_state(NR_UNSTABLE_NFS
))
471 ctf_integer(unsigned long, nr_dirtied
, global_node_page_state(NR_DIRTIED
))
472 ctf_integer(unsigned long, nr_written
, global_node_page_state(NR_WRITTEN
))
473 ctf_integer(unsigned long, background_thresh
, background_thresh
)
474 ctf_integer(unsigned long, dirty_thresh
, dirty_thresh
)
475 ctf_integer(unsigned long, dirty_limit
, global_dirty_limit
)
478 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
479 LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state
,
481 writeback_global_dirty_state
,
483 TP_PROTO(unsigned long background_thresh
,
484 unsigned long dirty_thresh
487 TP_ARGS(background_thresh
,
492 ctf_integer(unsigned long, nr_dirty
, global_page_state(NR_FILE_DIRTY
))
493 ctf_integer(unsigned long, nr_writeback
, global_page_state(NR_WRITEBACK
))
494 ctf_integer(unsigned long, nr_unstable
, global_page_state(NR_UNSTABLE_NFS
))
495 ctf_integer(unsigned long, nr_dirtied
, global_page_state(NR_DIRTIED
))
496 ctf_integer(unsigned long, nr_written
, global_page_state(NR_WRITTEN
))
497 ctf_integer(unsigned long, background_thresh
, background_thresh
)
498 ctf_integer(unsigned long, dirty_thresh
, dirty_thresh
)
499 ctf_integer(unsigned long, dirty_limit
, global_dirty_limit
)
504 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
506 #define KBps(x) ((x) << (PAGE_SHIFT - 10))
508 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
510 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
512 writeback_bdi_dirty_ratelimit
,
514 TP_PROTO(struct bdi_writeback
*wb
,
515 unsigned long dirty_rate
,
516 unsigned long task_ratelimit
),
518 TP_ARGS(wb
, dirty_rate
, task_ratelimit
),
521 ctf_string(bdi
, lttng_bdi_dev_name(wb
->bdi
))
522 ctf_integer(unsigned long, write_bw
, KBps(wb
->bdi
->wb
.write_bandwidth
))
523 ctf_integer(unsigned long, avg_write_bw
, KBps(wb
->bdi
->wb
.avg_write_bandwidth
))
524 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
525 ctf_integer(unsigned long, dirty_ratelimit
, KBps(wb
->bdi
->wb
.dirty_ratelimit
))
526 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
527 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
528 KBps(wb
->bdi
->wb
.balanced_dirty_ratelimit
))
532 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
534 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
536 writeback_bdi_dirty_ratelimit
,
538 TP_PROTO(struct backing_dev_info
*bdi
,
539 unsigned long dirty_rate
,
540 unsigned long task_ratelimit
),
542 TP_ARGS(bdi
, dirty_rate
, task_ratelimit
),
545 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
546 ctf_integer(unsigned long, write_bw
, KBps(bdi
->wb
.write_bandwidth
))
547 ctf_integer(unsigned long, avg_write_bw
, KBps(bdi
->wb
.avg_write_bandwidth
))
548 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
549 ctf_integer(unsigned long, dirty_ratelimit
, KBps(bdi
->wb
.dirty_ratelimit
))
550 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
551 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
552 KBps(bdi
->wb
.balanced_dirty_ratelimit
))
556 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
558 LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit
,
560 writeback_bdi_dirty_ratelimit
,
562 TP_PROTO(struct backing_dev_info
*bdi
,
563 unsigned long dirty_rate
,
564 unsigned long task_ratelimit
),
566 TP_ARGS(bdi
, dirty_rate
, task_ratelimit
),
569 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
570 ctf_integer(unsigned long, write_bw
, KBps(bdi
->write_bandwidth
))
571 ctf_integer(unsigned long, avg_write_bw
, KBps(bdi
->avg_write_bandwidth
))
572 ctf_integer(unsigned long, dirty_rate
, KBps(dirty_rate
))
573 ctf_integer(unsigned long, dirty_ratelimit
, KBps(bdi
->dirty_ratelimit
))
574 ctf_integer(unsigned long, task_ratelimit
, KBps(task_ratelimit
))
575 ctf_integer(unsigned long, balanced_dirty_ratelimit
,
576 KBps(bdi
->balanced_dirty_ratelimit
))
580 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
582 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
584 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages
,
586 writeback_balance_dirty_pages
,
588 TP_PROTO(struct bdi_writeback
*wb
,
589 unsigned long thresh
,
590 unsigned long bg_thresh
,
592 unsigned long bdi_thresh
,
593 unsigned long bdi_dirty
,
594 unsigned long dirty_ratelimit
,
595 unsigned long task_ratelimit
,
596 unsigned long dirtied
,
597 unsigned long period
,
599 unsigned long start_time
),
601 TP_ARGS(wb
, thresh
, bg_thresh
, dirty
, bdi_thresh
, bdi_dirty
,
602 dirty_ratelimit
, task_ratelimit
,
603 dirtied
, period
, pause
, start_time
607 ctf_string(bdi
, lttng_bdi_dev_name(wb
->bdi
))
608 ctf_integer(unsigned long, limit
, global_dirty_limit
)
609 ctf_integer(unsigned long, setpoint
,
610 (global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2)
611 ctf_integer(unsigned long, dirty
, dirty
)
612 ctf_integer(unsigned long, bdi_setpoint
,
613 ((global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2) *
614 bdi_thresh
/ (thresh
+ 1))
615 ctf_integer(unsigned long, bdi_dirty
, bdi_dirty
)
616 ctf_integer(unsigned long, dirty_ratelimit
,
617 KBps(dirty_ratelimit
))
618 ctf_integer(unsigned long, task_ratelimit
,
619 KBps(task_ratelimit
))
620 ctf_integer(unsigned int, dirtied
, dirtied
)
621 ctf_integer(unsigned int, dirtied_pause
,
622 current
->nr_dirtied_pause
)
623 ctf_integer(unsigned long, paused
,
624 (jiffies
- start_time
) * 1000 / HZ
)
625 ctf_integer(long, pause
, pause
* 1000 / HZ
)
626 ctf_integer(unsigned long, period
,
628 ctf_integer(long, think
,
629 current
->dirty_paused_when
== 0 ? 0 :
630 (long)(jiffies
- current
->dirty_paused_when
) * 1000/HZ
)
634 #else /* #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
636 LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages
,
638 writeback_balance_dirty_pages
,
640 TP_PROTO(struct backing_dev_info
*bdi
,
641 unsigned long thresh
,
642 unsigned long bg_thresh
,
644 unsigned long bdi_thresh
,
645 unsigned long bdi_dirty
,
646 unsigned long dirty_ratelimit
,
647 unsigned long task_ratelimit
,
648 unsigned long dirtied
,
649 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
650 unsigned long period
,
653 unsigned long start_time
),
655 TP_ARGS(bdi
, thresh
, bg_thresh
, dirty
, bdi_thresh
, bdi_dirty
,
656 dirty_ratelimit
, task_ratelimit
,
657 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
658 dirtied
, period
, pause
, start_time
660 dirtied
, pause
, start_time
665 ctf_string(bdi
, lttng_bdi_dev_name(bdi
))
666 ctf_integer(unsigned long, limit
, global_dirty_limit
)
667 ctf_integer(unsigned long, setpoint
,
668 (global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2)
669 ctf_integer(unsigned long, dirty
, dirty
)
670 ctf_integer(unsigned long, bdi_setpoint
,
671 ((global_dirty_limit
+ (thresh
+ bg_thresh
) / 2) / 2) *
672 bdi_thresh
/ (thresh
+ 1))
673 ctf_integer(unsigned long, bdi_dirty
, bdi_dirty
)
674 ctf_integer(unsigned long, dirty_ratelimit
,
675 KBps(dirty_ratelimit
))
676 ctf_integer(unsigned long, task_ratelimit
,
677 KBps(task_ratelimit
))
678 ctf_integer(unsigned int, dirtied
, dirtied
)
679 ctf_integer(unsigned int, dirtied_pause
,
680 current
->nr_dirtied_pause
)
681 ctf_integer(unsigned long, paused
,
682 (jiffies
- start_time
) * 1000 / HZ
)
683 ctf_integer(long, pause
, pause
* 1000 / HZ
)
684 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
685 ctf_integer(unsigned long, period
,
687 ctf_integer(long, think
,
688 current
->dirty_paused_when
== 0 ? 0 :
689 (long)(jiffies
- current
->dirty_paused_when
) * 1000/HZ
)
693 #endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
695 #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) */
697 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0))
698 LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue
,
700 TP_PROTO(struct inode
*inode
),
704 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
705 ctf_integer(unsigned long, ino
, inode
->i_ino
)
706 ctf_integer(unsigned long, state
, inode
->i_state
)
707 ctf_integer(unsigned long, dirtied_when
, inode
->dirtied_when
)
712 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template
,
714 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
716 TP_ARGS(usec_timeout
, usec_delayed
),
719 ctf_integer(unsigned int, usec_timeout
, usec_timeout
)
720 ctf_integer(unsigned int, usec_delayed
, usec_delayed
)
724 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template
, writeback_congestion_wait
,
726 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
728 TP_ARGS(usec_timeout
, usec_delayed
)
731 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template
, writeback_wait_iff_congested
,
733 TP_PROTO(unsigned int usec_timeout
, unsigned int usec_delayed
),
735 TP_ARGS(usec_timeout
, usec_delayed
)
738 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
739 LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template
,
741 TP_PROTO(struct inode
*inode
,
742 struct writeback_control
*wbc
,
743 unsigned long nr_to_write
746 TP_ARGS(inode
, wbc
, nr_to_write
),
749 ctf_string(name
, lttng_bdi_dev_name(lttng_inode_to_bdi(inode
)))
750 ctf_integer(unsigned long, ino
, inode
->i_ino
)
751 ctf_integer(unsigned long, state
, inode
->i_state
)
752 ctf_integer(unsigned long, dirtied_when
, inode
->dirtied_when
)
753 ctf_integer(unsigned long, writeback_index
,
754 inode
->i_mapping
->writeback_index
)
755 ctf_integer(long, nr_to_write
, nr_to_write
)
756 ctf_integer(unsigned long, wrote
,
757 nr_to_write
- wbc
->nr_to_write
)
761 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,5,0))
762 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template
, writeback_single_inode_requeue
,
763 TP_PROTO(struct inode
*inode
,
764 struct writeback_control
*wbc
,
765 unsigned long nr_to_write
),
766 TP_ARGS(inode
, wbc
, nr_to_write
)
770 LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template
, writeback_single_inode
,
771 TP_PROTO(struct inode
*inode
,
772 struct writeback_control
*wbc
,
773 unsigned long nr_to_write
),
774 TP_ARGS(inode
, wbc
, nr_to_write
)
778 #endif /* LTTNG_TRACE_WRITEBACK_H */
780 /* This part must be outside protection */
781 #include <lttng/define_trace.h>