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fix: adjust ranges for RHEL 8.4
[lttng-modules.git] / instrumentation / events / lttng-module / writeback.h
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CommitLineData
1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM writeback
4
5#if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define LTTNG_TRACE_WRITEBACK_H
7
8#include <probes/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>
13
14#ifndef _TRACE_WRITEBACK_DEF_
15#define _TRACE_WRITEBACK_DEF_
16
17/*
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.
21 */
22#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0))
23static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
24{
25 return bdi_dev_name(bdi);
26}
27#else
28static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
29{
30 if (!bdi || !bdi->dev)
31 return "(unknown)";
32 return dev_name(bdi->dev);
33}
34#endif
35
36/*
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.
43 */
44#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0))
45static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
46{
47 struct super_block *sb;
48
49 if (!inode)
50 return &noop_backing_dev_info;
51
52 sb = inode->i_sb;
53
54 if (strcmp(sb->s_type->name, "bdev") == 0)
55 return inode->i_mapping->backing_dev_info;
56
57 return sb->s_bdi;
58}
59#else
60static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
61{
62 return inode_to_bdi(inode);
63}
64#endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) */
65
66#endif
67
68/*
69 * Keep this macro around to track changes in the valid values for `state`.
70 * Eventually, we will have a enum to describe that field. If the macro is
71 * changed by an upstream kernel, the fact that we have a redefinition here
72 * will generate a compiler warning.
73 */
74#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
75 LTTNG_KERNEL_RANGE(4,14,218, 4,15,0) || \
76 LTTNG_KERNEL_RANGE(4,19,172, 4,20,0) || \
77 LTTNG_KERNEL_RANGE(5,4,94, 5,5,0) || \
78 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,141, 4,16,0,0) || \
79 LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0))
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"}, \
85 {I_NEW, "I_NEW"}, \
86 {I_WILL_FREE, "I_WILL_FREE"}, \
87 {I_FREEING, "I_FREEING"}, \
88 {I_CLEAR, "I_CLEAR"}, \
89 {I_SYNC, "I_SYNC"}, \
90 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
91 {I_REFERENCED, "I_REFERENCED"} \
92 )
93#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
94#define show_inode_state(state) \
95 __print_flags(state, "|", \
96 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
97 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
98 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
99 {I_NEW, "I_NEW"}, \
100 {I_WILL_FREE, "I_WILL_FREE"}, \
101 {I_FREEING, "I_FREEING"}, \
102 {I_CLEAR, "I_CLEAR"}, \
103 {I_SYNC, "I_SYNC"}, \
104 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
105 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
106 {I_REFERENCED, "I_REFERENCED"} \
107 )
108#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
109#define show_inode_state(state) \
110 __print_flags(state, "|", \
111 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
112 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
113 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
114 {I_NEW, "I_NEW"}, \
115 {I_WILL_FREE, "I_WILL_FREE"}, \
116 {I_FREEING, "I_FREEING"}, \
117 {I_CLEAR, "I_CLEAR"}, \
118 {I_SYNC, "I_SYNC"}, \
119 {I_REFERENCED, "I_REFERENCED"} \
120 )
121#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
122
123#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
124
125LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
126 TP_PROTO(struct page *page, struct address_space *mapping),
127 TP_ARGS(page, mapping),
128 TP_FIELDS(
129 ctf_string(name, lttng_bdi_dev_name(mapping ? lttng_inode_to_bdi(mapping->host) : NULL))
130 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
131 ctf_integer(pgoff_t, index, page->index)
132 )
133)
134
135LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
136 TP_PROTO(struct inode *inode, int flags),
137 TP_ARGS(inode, flags),
138 TP_FIELDS(
139 /* may be called for files on pseudo FSes w/ unregistered bdi */
140 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
141 ctf_integer(unsigned long, ino, inode->i_ino)
142 ctf_integer(unsigned long, state, inode->i_state)
143 ctf_integer(unsigned long, flags, flags)
144 )
145)
146#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
147LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
148 TP_PROTO(struct inode *inode, int flags), \
149 TP_ARGS(inode, flags))
150LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
151LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
152LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
153
154LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
155 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
156 TP_ARGS(inode, wbc),
157 TP_FIELDS(
158 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
159 ctf_integer(unsigned long, ino, inode->i_ino)
160 ctf_integer(int, sync_mode, wbc->sync_mode)
161 )
162)
163
164#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
165LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
166 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
167 TP_ARGS(inode, wbc))
168LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
169LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
170
171#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
172
173LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
174 TP_PROTO(struct page *page, struct address_space *mapping),
175 TP_ARGS(page, mapping),
176 TP_FIELDS(
177 ctf_string(name, lttng_bdi_dev_name(mapping ? mapping->backing_dev_info : NULL))
178 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
179 ctf_integer(pgoff_t, index, page->index)
180 )
181)
182
183LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
184 TP_PROTO(struct inode *inode, int flags),
185 TP_ARGS(inode, flags),
186 TP_FIELDS(
187 /* may be called for files on pseudo FSes w/ unregistered bdi */
188 ctf_string(name, lttng_bdi_dev_name(inode->i_mapping->backing_dev_info))
189 ctf_integer(unsigned long, ino, inode->i_ino)
190 ctf_integer(unsigned long, flags, flags)
191 )
192)
193#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
194LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
195 TP_PROTO(struct inode *inode, int flags), \
196 TP_ARGS(inode, flags))
197LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
198LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
199
200LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
201 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
202 TP_ARGS(inode, wbc),
203 TP_FIELDS(
204 ctf_string(name, lttng_bdi_dev_name(inode->i_mapping->backing_dev_info))
205 ctf_integer(unsigned long, ino, inode->i_ino)
206 ctf_integer(int, sync_mode, wbc->sync_mode)
207 )
208)
209
210#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
211LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
212 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
213 TP_ARGS(inode, wbc))
214LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
215LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
216
217#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
218
219#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
220
221LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
222 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
223 TP_ARGS(wb, work),
224 TP_FIELDS(
225 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
226 )
227)
228
229#else
230
231LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
232 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
233 TP_ARGS(bdi, work),
234 TP_FIELDS(
235 ctf_string(name, lttng_bdi_dev_name(bdi))
236 )
237)
238
239#endif /* #else if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
240
241#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
242
243#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
244LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
245 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
246 TP_ARGS(wb, work))
247
248#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
249
250#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
251LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
252 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
253 TP_ARGS(bdi, work))
254
255#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
256
257LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
258LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
259LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
260#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
261LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
262LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
263LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)
264#endif
265
266LTTNG_TRACEPOINT_EVENT(writeback_pages_written,
267 TP_PROTO(long pages_written),
268 TP_ARGS(pages_written),
269 TP_FIELDS(
270 ctf_integer(long, pages, pages_written)
271 )
272)
273
274#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
275
276LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
277 TP_PROTO(struct bdi_writeback *wb),
278 TP_ARGS(wb),
279 TP_FIELDS(
280 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
281 )
282)
283
284#undef DEFINE_WRITEBACK_EVENT
285#define DEFINE_WRITEBACK_EVENT(name) \
286LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
287 TP_PROTO(struct bdi_writeback *wb), \
288 TP_ARGS(wb))
289
290#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
291LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
292 TP_PROTO(struct bdi_writeback *wb), \
293 TP_ARGS(wb))
294
295LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
296 TP_PROTO(struct backing_dev_info *bdi),
297 TP_ARGS(bdi),
298 TP_FIELDS(
299 ctf_string(name, lttng_bdi_dev_name(bdi))
300 )
301)
302
303#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
304
305LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
306 TP_PROTO(struct backing_dev_info *bdi),
307 TP_ARGS(bdi),
308 TP_FIELDS(
309 ctf_string(name, lttng_bdi_dev_name(bdi))
310 )
311)
312
313#undef DEFINE_WRITEBACK_EVENT
314#define DEFINE_WRITEBACK_EVENT(name) \
315LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
316 TP_PROTO(struct backing_dev_info *bdi), \
317 TP_ARGS(bdi))
318
319#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
320LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
321 TP_PROTO(struct backing_dev_info *bdi), \
322 TP_ARGS(bdi))
323
324DEFINE_WRITEBACK_EVENT(writeback_bdi_register)
325
326#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
327
328DEFINE_WRITEBACK_EVENT(writeback_nowork)
329DEFINE_WRITEBACK_EVENT(writeback_wake_background)
330DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
331DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
332DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
333DEFINE_WRITEBACK_EVENT(writeback_thread_start)
334DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
335#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
336DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start)
337DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait)
338
339LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written,
340
341 writeback_balance_dirty_written,
342
343 TP_PROTO(struct backing_dev_info *bdi, int written),
344
345 TP_ARGS(bdi, written),
346
347 TP_FIELDS(
348 ctf_string(name, lttng_bdi_dev_name(bdi))
349 ctf_integer(int, written, written)
350 )
351)
352#endif
353
354LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
355 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
356 TP_ARGS(wbc, bdi),
357 TP_FIELDS(
358 ctf_string(name, lttng_bdi_dev_name(bdi))
359 ctf_integer(long, nr_to_write, wbc->nr_to_write)
360 ctf_integer(long, pages_skipped, wbc->pages_skipped)
361 ctf_integer(int, sync_mode, wbc->sync_mode)
362 ctf_integer(int, for_kupdate, wbc->for_kupdate)
363 ctf_integer(int, for_background, wbc->for_background)
364 ctf_integer(int, for_reclaim, wbc->for_reclaim)
365 ctf_integer(int, range_cyclic, wbc->range_cyclic)
366#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
367 ctf_integer(int, more_io, wbc->more_io)
368 ctf_integer(unsigned long, older_than_this,
369 wbc->older_than_this ? *wbc->older_than_this : 0)
370#endif
371 ctf_integer(long, range_start, (long) wbc->range_start)
372 ctf_integer(long, range_end, (long) wbc->range_end)
373 )
374)
375
376#undef DEFINE_WBC_EVENT
377#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
378LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
379 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
380 TP_ARGS(wbc, bdi))
381#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
382LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start)
383LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written)
384LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait)
385LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start)
386LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written)
387LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait)
388#endif
389LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
390
391#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
392 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
393 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
394 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
395 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
396 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
397 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
398 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0) || \
399 LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0))
400LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
401 TP_PROTO(struct bdi_writeback *wb,
402 struct wb_writeback_work *work,
403 unsigned long dirtied_before,
404 int moved),
405 TP_ARGS(wb, work, dirtied_before, moved),
406 TP_FIELDS(
407 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
408 ctf_integer(unsigned long, older, dirtied_before)
409 ctf_integer(int, moved, moved)
410 )
411)
412#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
413LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
414 TP_PROTO(struct bdi_writeback *wb,
415 struct wb_writeback_work *work,
416 int moved),
417 TP_ARGS(wb, work, moved),
418 TP_FIELDS(
419 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
420 ctf_integer(int, moved, moved)
421 )
422)
423#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
424LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
425 TP_PROTO(struct bdi_writeback *wb,
426 unsigned long *older_than_this,
427 int moved),
428 TP_ARGS(wb, older_than_this, moved),
429 TP_FIELDS(
430 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
431 ctf_integer(unsigned long, older,
432 older_than_this ? *older_than_this : 0)
433 ctf_integer(long, age,
434 older_than_this ?
435 (jiffies - *older_than_this) * 1000 / HZ
436 : -1)
437 ctf_integer(int, moved, moved)
438 )
439)
440#endif
441
442#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) || \
443 LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
444LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
445
446 writeback_global_dirty_state,
447
448 TP_PROTO(unsigned long background_thresh,
449 unsigned long dirty_thresh
450 ),
451
452 TP_ARGS(background_thresh,
453 dirty_thresh
454 ),
455
456 TP_FIELDS(
457 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
458 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
459 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
460 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
461 ctf_integer(unsigned long, background_thresh, background_thresh)
462 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
463 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
464 )
465)
466#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
467LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
468
469 writeback_global_dirty_state,
470
471 TP_PROTO(unsigned long background_thresh,
472 unsigned long dirty_thresh
473 ),
474
475 TP_ARGS(background_thresh,
476 dirty_thresh
477 ),
478
479 TP_FIELDS(
480 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
481 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
482 ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
483 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
484 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
485 ctf_integer(unsigned long, background_thresh, background_thresh)
486 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
487 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
488 )
489)
490#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
491LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
492
493 writeback_global_dirty_state,
494
495 TP_PROTO(unsigned long background_thresh,
496 unsigned long dirty_thresh
497 ),
498
499 TP_ARGS(background_thresh,
500 dirty_thresh
501 ),
502
503 TP_FIELDS(
504 ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
505 ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
506 ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
507 ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
508 ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
509 ctf_integer(unsigned long, background_thresh, background_thresh)
510 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
511 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
512 )
513)
514#endif
515
516#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
517
518#define KBps(x) ((x) << (PAGE_SHIFT - 10))
519
520#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
521
522LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
523
524 writeback_bdi_dirty_ratelimit,
525
526 TP_PROTO(struct bdi_writeback *wb,
527 unsigned long dirty_rate,
528 unsigned long task_ratelimit),
529
530 TP_ARGS(wb, dirty_rate, task_ratelimit),
531
532 TP_FIELDS(
533 ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
534 ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
535 ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
536 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
537 ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
538 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
539 ctf_integer(unsigned long, balanced_dirty_ratelimit,
540 KBps(wb->bdi->wb.balanced_dirty_ratelimit))
541 )
542)
543
544#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
545
546LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
547
548 writeback_bdi_dirty_ratelimit,
549
550 TP_PROTO(struct backing_dev_info *bdi,
551 unsigned long dirty_rate,
552 unsigned long task_ratelimit),
553
554 TP_ARGS(bdi, dirty_rate, task_ratelimit),
555
556 TP_FIELDS(
557 ctf_string(bdi, lttng_bdi_dev_name(bdi))
558 ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth))
559 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth))
560 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
561 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit))
562 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
563 ctf_integer(unsigned long, balanced_dirty_ratelimit,
564 KBps(bdi->wb.balanced_dirty_ratelimit))
565 )
566)
567
568#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
569
570LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
571
572 writeback_bdi_dirty_ratelimit,
573
574 TP_PROTO(struct backing_dev_info *bdi,
575 unsigned long dirty_rate,
576 unsigned long task_ratelimit),
577
578 TP_ARGS(bdi, dirty_rate, task_ratelimit),
579
580 TP_FIELDS(
581 ctf_string(bdi, lttng_bdi_dev_name(bdi))
582 ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth))
583 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth))
584 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
585 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit))
586 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
587 ctf_integer(unsigned long, balanced_dirty_ratelimit,
588 KBps(bdi->balanced_dirty_ratelimit))
589 )
590)
591
592#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
593
594#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
595
596LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
597
598 writeback_balance_dirty_pages,
599
600 TP_PROTO(struct bdi_writeback *wb,
601 unsigned long thresh,
602 unsigned long bg_thresh,
603 unsigned long dirty,
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 unsigned long period,
610 long pause,
611 unsigned long start_time),
612
613 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
614 dirty_ratelimit, task_ratelimit,
615 dirtied, period, pause, start_time
616 ),
617
618 TP_FIELDS(
619 ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
620 ctf_integer(unsigned long, limit, global_dirty_limit)
621 ctf_integer(unsigned long, setpoint,
622 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
623 ctf_integer(unsigned long, dirty, dirty)
624 ctf_integer(unsigned long, bdi_setpoint,
625 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
626 bdi_thresh / (thresh + 1))
627 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
628 ctf_integer(unsigned long, dirty_ratelimit,
629 KBps(dirty_ratelimit))
630 ctf_integer(unsigned long, task_ratelimit,
631 KBps(task_ratelimit))
632 ctf_integer(unsigned int, dirtied, dirtied)
633 ctf_integer(unsigned int, dirtied_pause,
634 current->nr_dirtied_pause)
635 ctf_integer(unsigned long, paused,
636 (jiffies - start_time) * 1000 / HZ)
637 ctf_integer(long, pause, pause * 1000 / HZ)
638 ctf_integer(unsigned long, period,
639 period * 1000 / HZ)
640 ctf_integer(long, think,
641 current->dirty_paused_when == 0 ? 0 :
642 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
643 )
644)
645
646#else /* #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
647
648LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
649
650 writeback_balance_dirty_pages,
651
652 TP_PROTO(struct backing_dev_info *bdi,
653 unsigned long thresh,
654 unsigned long bg_thresh,
655 unsigned long dirty,
656 unsigned long bdi_thresh,
657 unsigned long bdi_dirty,
658 unsigned long dirty_ratelimit,
659 unsigned long task_ratelimit,
660 unsigned long dirtied,
661#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
662 unsigned long period,
663#endif
664 long pause,
665 unsigned long start_time),
666
667 TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
668 dirty_ratelimit, task_ratelimit,
669#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
670 dirtied, period, pause, start_time
671#else
672 dirtied, pause, start_time
673#endif
674 ),
675
676 TP_FIELDS(
677 ctf_string(bdi, lttng_bdi_dev_name(bdi))
678 ctf_integer(unsigned long, limit, global_dirty_limit)
679 ctf_integer(unsigned long, setpoint,
680 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
681 ctf_integer(unsigned long, dirty, dirty)
682 ctf_integer(unsigned long, bdi_setpoint,
683 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
684 bdi_thresh / (thresh + 1))
685 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
686 ctf_integer(unsigned long, dirty_ratelimit,
687 KBps(dirty_ratelimit))
688 ctf_integer(unsigned long, task_ratelimit,
689 KBps(task_ratelimit))
690 ctf_integer(unsigned int, dirtied, dirtied)
691 ctf_integer(unsigned int, dirtied_pause,
692 current->nr_dirtied_pause)
693 ctf_integer(unsigned long, paused,
694 (jiffies - start_time) * 1000 / HZ)
695 ctf_integer(long, pause, pause * 1000 / HZ)
696#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
697 ctf_integer(unsigned long, period,
698 period * 1000 / HZ)
699 ctf_integer(long, think,
700 current->dirty_paused_when == 0 ? 0 :
701 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
702#endif
703 )
704)
705#endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
706
707#endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) */
708
709#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0))
710LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,
711
712 TP_PROTO(struct inode *inode),
713 TP_ARGS(inode),
714
715 TP_FIELDS(
716 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
717 ctf_integer(unsigned long, ino, inode->i_ino)
718 ctf_integer(unsigned long, state, inode->i_state)
719 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
720 )
721)
722#endif
723
724LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
725
726 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
727
728 TP_ARGS(usec_timeout, usec_delayed),
729
730 TP_FIELDS(
731 ctf_integer(unsigned int, usec_timeout, usec_timeout)
732 ctf_integer(unsigned int, usec_delayed, usec_delayed)
733 )
734)
735
736LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,
737
738 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
739
740 TP_ARGS(usec_timeout, usec_delayed)
741)
742
743LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
744
745 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
746
747 TP_ARGS(usec_timeout, usec_delayed)
748)
749
750#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
751LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
752
753 TP_PROTO(struct inode *inode,
754 struct writeback_control *wbc,
755 unsigned long nr_to_write
756 ),
757
758 TP_ARGS(inode, wbc, nr_to_write),
759
760 TP_FIELDS(
761 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
762 ctf_integer(unsigned long, ino, inode->i_ino)
763 ctf_integer(unsigned long, state, inode->i_state)
764 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
765 ctf_integer(unsigned long, writeback_index,
766 inode->i_mapping->writeback_index)
767 ctf_integer(long, nr_to_write, nr_to_write)
768 ctf_integer(unsigned long, wrote,
769 nr_to_write - wbc->nr_to_write)
770 )
771)
772
773#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,5,0))
774LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue,
775 TP_PROTO(struct inode *inode,
776 struct writeback_control *wbc,
777 unsigned long nr_to_write),
778 TP_ARGS(inode, wbc, nr_to_write)
779)
780#endif
781
782LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
783 TP_PROTO(struct inode *inode,
784 struct writeback_control *wbc,
785 unsigned long nr_to_write),
786 TP_ARGS(inode, wbc, nr_to_write)
787)
788#endif
789
790#endif /* LTTNG_TRACE_WRITEBACK_H */
791
792/* This part must be outside protection */
793#include <probes/define_trace.h>
LTTng 2.0/0.x modules
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