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fix: version ranges for ext4_discard_preallocations and writeback_queue_io
[lttng-modules.git] / instrumentation / events / lttng-module / writeback.h
CommitLineData
9f36eaed 1/* SPDX-License-Identifier: GPL-2.0 */
b87700e3
AG		 2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM writeback
4
3bc29f0a
MD		 5#if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define LTTNG_TRACE_WRITEBACK_H
b87700e3 7
6ec43db8 8#include <probes/lttng-tracepoint-event.h>
aa634cd1 9#include <linux/tracepoint.h>
b87700e3
AG		 10#include <linux/backing-dev.h>
11#include <linux/writeback.h>
12#include <linux/version.h>
13
14#ifndef _TRACE_WRITEBACK_DEF_
15#define _TRACE_WRITEBACK_DEF_
99a570c8 16
70f6fc80
MJ		 17/*
18 * Vanilla kernels before 4.0 do not implement inode_to_bdi
19 * RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi
20 * RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
21 * RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
22 * commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines
23 * inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules.
24 */
25#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0))
26static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
b87700e3 27{
70f6fc80
MJ		 28 struct super_block *sb;
29
30 if (!inode)
31 return &noop_backing_dev_info;
32
33 sb = inode->i_sb;
b87700e3
AG		 34
35 if (strcmp(sb->s_type->name, "bdev") == 0)
36 return inode->i_mapping->backing_dev_info;
37
38 return sb->s_bdi;
39}
70f6fc80
MJ		 40#else
41static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
42{
43 return inode_to_bdi(inode);
44}
99a570c8
MD		 45#endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) */
46
b87700e3
AG		 47#endif
48
e1eb6145
MJ		 49#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
50#define show_inode_state(state) \
51 __print_flags(state, "|", \
52 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
53 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
54 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
55 {I_NEW, "I_NEW"}, \
56 {I_WILL_FREE, "I_WILL_FREE"}, \
57 {I_FREEING, "I_FREEING"}, \
58 {I_CLEAR, "I_CLEAR"}, \
59 {I_SYNC, "I_SYNC"}, \
60 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
61 {I_REFERENCED, "I_REFERENCED"} \
62 )
63#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
99a570c8
MD		 64#define show_inode_state(state) \
65 __print_flags(state, "|", \
66 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
67 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
68 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
69 {I_NEW, "I_NEW"}, \
70 {I_WILL_FREE, "I_WILL_FREE"}, \
71 {I_FREEING, "I_FREEING"}, \
72 {I_CLEAR, "I_CLEAR"}, \
73 {I_SYNC, "I_SYNC"}, \
74 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
75 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
76 {I_REFERENCED, "I_REFERENCED"} \
77 )
78#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
b87700e3
AG		 79#define show_inode_state(state) \
80 __print_flags(state, "|", \
81 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
82 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
83 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
84 {I_NEW, "I_NEW"}, \
85 {I_WILL_FREE, "I_WILL_FREE"}, \
86 {I_FREEING, "I_FREEING"}, \
87 {I_CLEAR, "I_CLEAR"}, \
88 {I_SYNC, "I_SYNC"}, \
89 {I_REFERENCED, "I_REFERENCED"} \
90 )
99a570c8 91#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
b87700e3 92
99a570c8
MD		 93#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
94
95LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
96 TP_PROTO(struct page *page, struct address_space *mapping),
97 TP_ARGS(page, mapping),
f127e61e
MD		 98 TP_FIELDS(
99 ctf_array_text(char, name,
70f6fc80 100 mapping ? dev_name(lttng_inode_to_bdi(mapping->host)->dev) : "(unknown)", 32)
f127e61e
MD		 101 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
102 ctf_integer(pgoff_t, index, page->index)
99a570c8
MD		 103 )
104)
105
106LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
107 TP_PROTO(struct inode *inode, int flags),
108 TP_ARGS(inode, flags),
f127e61e 109 TP_FIELDS(
99a570c8 110 /* may be called for files on pseudo FSes w/ unregistered bdi */
f127e61e 111 ctf_array_text(char, name,
70f6fc80
MJ		 112 lttng_inode_to_bdi(inode)->dev ?
113 dev_name(lttng_inode_to_bdi(inode)->dev) : "(unknown)", 32)
f127e61e
MD		 114 ctf_integer(unsigned long, ino, inode->i_ino)
115 ctf_integer(unsigned long, state, inode->i_state)
116 ctf_integer(unsigned long, flags, flags)
99a570c8
MD		 117 )
118)
119#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
120LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
121 TP_PROTO(struct inode *inode, int flags), \
122 TP_ARGS(inode, flags))
123LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
124LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
125LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
126
127LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
128 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
129 TP_ARGS(inode, wbc),
f127e61e
MD		 130 TP_FIELDS(
131 ctf_array_text(char, name,
70f6fc80 132 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 133 ctf_integer(unsigned long, ino, inode->i_ino)
134 ctf_integer(int, sync_mode, wbc->sync_mode)
99a570c8
MD		 135 )
136)
137
138#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
139LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
140 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
141 TP_ARGS(inode, wbc))
142LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
143LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
144
145#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
146
aa634cd1
JD		 147LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
148 TP_PROTO(struct page *page, struct address_space *mapping),
149 TP_ARGS(page, mapping),
f127e61e
MD		 150 TP_FIELDS(
151 ctf_array_text(char, name,
aa634cd1 152 mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32)
f127e61e
MD		 153 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
154 ctf_integer(pgoff_t, index, page->index)
aa634cd1
JD		 155 )
156)
157
158LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
159 TP_PROTO(struct inode *inode, int flags),
160 TP_ARGS(inode, flags),
f127e61e 161 TP_FIELDS(
aa634cd1 162 /* may be called for files on pseudo FSes w/ unregistered bdi */
f127e61e 163 ctf_array_text(char, name,
aa634cd1 164 inode->i_mapping->backing_dev_info->dev ?
f127e61e
MD		 165 dev_name(inode->i_mapping->backing_dev_info->dev)
166 : "(unknown)", 32)
167 ctf_integer(unsigned long, ino, inode->i_ino)
168 ctf_integer(unsigned long, flags, flags)
aa634cd1
JD		 169 )
170)
171#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
172LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
173 TP_PROTO(struct inode *inode, int flags), \
174 TP_ARGS(inode, flags))
175LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
176LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
177
178LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
179 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
180 TP_ARGS(inode, wbc),
f127e61e
MD		 181 TP_FIELDS(
182 ctf_array_text(char, name,
aa634cd1 183 dev_name(inode->i_mapping->backing_dev_info->dev), 32)
f127e61e
MD		 184 ctf_integer(unsigned long, ino, inode->i_ino)
185 ctf_integer(int, sync_mode, wbc->sync_mode)
aa634cd1
JD		 186 )
187)
188
189#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
190LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
191 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
192 TP_ARGS(inode, wbc))
193LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
194LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
99a570c8 195
aa634cd1
JD		 196#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
197
a40cb509
MD		 198#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
199
200LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
201 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
202 TP_ARGS(wb, work),
203 TP_FIELDS(
204 ctf_array_text(char, name, wb->bdi->dev ? dev_name(wb->bdi->dev) :
205 "(unknown)", 32)
206 )
207)
208
209#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
99a570c8
MD		 210
211LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
212 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
213 TP_ARGS(bdi, work),
f127e61e
MD		 214 TP_FIELDS(
215 ctf_array_text(char, name, bdi->dev ? dev_name(bdi->dev) :
99a570c8 216 "(unknown)", 32)
99a570c8
MD		 217 )
218)
219
220#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
221
3bc29f0a 222LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
b87700e3
AG		 223 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
224 TP_ARGS(bdi, work),
f127e61e
MD		 225 TP_FIELDS(
226 ctf_array_text(char, name,
227 dev_name(bdi->dev ? bdi->dev :
b87700e3 228 default_backing_dev_info.dev), 32)
b87700e3 229 )
b87700e3 230)
99a570c8
MD		 231
232#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
233
a40cb509
MD		 234#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
235
236#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
237LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
238 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
239 TP_ARGS(wb, work))
240
241#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
242
3bc29f0a
MD		 243#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
244LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
b87700e3
AG		 245 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
246 TP_ARGS(bdi, work))
a40cb509
MD		 247
248#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
249
3bc29f0a
MD		 250LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
251LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
252LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
b87700e3 253#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 254LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
255LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
256LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)
b87700e3
AG		 257#endif
258
3bc29f0a 259LTTNG_TRACEPOINT_EVENT(writeback_pages_written,
b87700e3
AG		 260 TP_PROTO(long pages_written),
261 TP_ARGS(pages_written),
f127e61e
MD		 262 TP_FIELDS(
263 ctf_integer(long, pages, pages_written)
264 )
b87700e3
AG		 265)
266
a40cb509
MD		 267#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
268
269LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
270 TP_PROTO(struct bdi_writeback *wb),
271 TP_ARGS(wb),
272 TP_FIELDS(
273 ctf_array_text(char, name,
274 dev_name(wb->bdi->dev), 32)
275 )
276)
277
278#undef DEFINE_WRITEBACK_EVENT
279#define DEFINE_WRITEBACK_EVENT(name) \
280LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
281 TP_PROTO(struct bdi_writeback *wb), \
282 TP_ARGS(wb))
283
284#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
285LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
286 TP_PROTO(struct bdi_writeback *wb), \
287 TP_ARGS(wb))
288
289LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
290 TP_PROTO(struct backing_dev_info *bdi),
291 TP_ARGS(bdi),
292 TP_FIELDS(
293 ctf_array_text(char, name,
294 dev_name(bdi->dev), 32)
295 )
296)
297
298#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
299
3bc29f0a 300LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
b87700e3
AG		 301 TP_PROTO(struct backing_dev_info *bdi),
302 TP_ARGS(bdi),
f127e61e
MD		 303 TP_FIELDS(
304 ctf_array_text(char, name,
305 dev_name(bdi->dev), 32)
b87700e3
AG		 306 )
307)
a40cb509 308
59fecd6c 309#undef DEFINE_WRITEBACK_EVENT
b87700e3 310#define DEFINE_WRITEBACK_EVENT(name) \
3bc29f0a 311LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
b87700e3
AG		 312 TP_PROTO(struct backing_dev_info *bdi), \
313 TP_ARGS(bdi))
314
9cf29d3e 315#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
3bc29f0a 316LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
9cf29d3e
MD		 317 TP_PROTO(struct backing_dev_info *bdi), \
318 TP_ARGS(bdi))
319
a40cb509
MD		 320DEFINE_WRITEBACK_EVENT(writeback_bdi_register)
321
322#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
323
b87700e3
AG		 324DEFINE_WRITEBACK_EVENT(writeback_nowork)
325#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
326DEFINE_WRITEBACK_EVENT(writeback_wake_background)
327#endif
328DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
329DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
b87700e3
AG		 330DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
331DEFINE_WRITEBACK_EVENT(writeback_thread_start)
332DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
333#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
9cf29d3e
MD		 334DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start)
335DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait)
336
3bc29f0a 337LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written,
b87700e3 338
9cf29d3e 339 writeback_balance_dirty_written,
b87700e3
AG		 340
341 TP_PROTO(struct backing_dev_info *bdi, int written),
342
343 TP_ARGS(bdi, written),
344
f127e61e
MD		 345 TP_FIELDS(
346 ctf_array_text(char, name, dev_name(bdi->dev), 32)
347 ctf_integer(int, written, written)
b87700e3
AG		 348 )
349)
350#endif
351
3bc29f0a 352LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
b87700e3
AG		 353 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
354 TP_ARGS(wbc, bdi),
f127e61e
MD		 355 TP_FIELDS(
356 ctf_array_text(char, name, dev_name(bdi->dev), 32)
357 ctf_integer(long, nr_to_write, wbc->nr_to_write)
358 ctf_integer(long, pages_skipped, wbc->pages_skipped)
359 ctf_integer(int, sync_mode, wbc->sync_mode)
360 ctf_integer(int, for_kupdate, wbc->for_kupdate)
361 ctf_integer(int, for_background, wbc->for_background)
362 ctf_integer(int, for_reclaim, wbc->for_reclaim)
363 ctf_integer(int, range_cyclic, wbc->range_cyclic)
b87700e3 364#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
f127e61e
MD		 365 ctf_integer(int, more_io, wbc->more_io)
366 ctf_integer(unsigned long, older_than_this,
367 wbc->older_than_this ? *wbc->older_than_this : 0)
b87700e3 368#endif
f127e61e
MD		 369 ctf_integer(long, range_start, (long) wbc->range_start)
370 ctf_integer(long, range_end, (long) wbc->range_end)
371 )
b87700e3
AG		 372)
373
9cf29d3e 374#undef DEFINE_WBC_EVENT
3bc29f0a
MD		 375#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
376LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
b87700e3
AG		 377 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
378 TP_ARGS(wbc, bdi))
379#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 380LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start)
381LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written)
382LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait)
383LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start)
384LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written)
385LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait)
b87700e3 386#endif
3bc29f0a 387LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
b87700e3 388
f60ce55b
MJ		 389#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0) || \
390 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
391 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
392 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
393 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
394 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
395 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0))
31410cca
MJ		 396LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
397 TP_PROTO(struct bdi_writeback *wb,
398 struct wb_writeback_work *work,
399 unsigned long dirtied_before,
400 int moved),
401 TP_ARGS(wb, work, dirtied_before, moved),
402 TP_FIELDS(
403 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
404 ctf_integer(unsigned long, older, dirtied_before)
405 ctf_integer(int, moved, moved)
406 )
407)
408#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
3bc29f0a 409LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
b87700e3 410 TP_PROTO(struct bdi_writeback *wb,
b87700e3 411 struct wb_writeback_work *work,
b87700e3 412 int moved),
b87700e3 413 TP_ARGS(wb, work, moved),
31410cca
MJ		 414 TP_FIELDS(
415 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
416 ctf_integer(int, moved, moved)
417 )
418)
419#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
420LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
421 TP_PROTO(struct bdi_writeback *wb,
422 unsigned long *older_than_this,
423 int moved),
b87700e3 424 TP_ARGS(wb, older_than_this, moved),
f127e61e
MD		 425 TP_FIELDS(
426 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
f127e61e
MD		 427 ctf_integer(unsigned long, older,
428 older_than_this ? *older_than_this : 0)
429 ctf_integer(long, age,
430 older_than_this ?
431 (jiffies - *older_than_this) * 1000 / HZ
432 : -1)
f127e61e 433 ctf_integer(int, moved, moved)
b87700e3 434 )
b87700e3 435)
31410cca 436#endif
b87700e3 437
b87a9840
MJ		 438#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
439LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
440
441 writeback_global_dirty_state,
442
443 TP_PROTO(unsigned long background_thresh,
444 unsigned long dirty_thresh
445 ),
446
447 TP_ARGS(background_thresh,
448 dirty_thresh
449 ),
450
451 TP_FIELDS(
452 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
453 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
454 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
455 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
456 ctf_integer(unsigned long, background_thresh, background_thresh)
457 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
458 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
459 )
460)
461#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
7ceeb15d
MJ		 462LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
463
464 writeback_global_dirty_state,
465
466 TP_PROTO(unsigned long background_thresh,
467 unsigned long dirty_thresh
468 ),
469
470 TP_ARGS(background_thresh,
471 dirty_thresh
472 ),
473
474 TP_FIELDS(
475 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
476 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
477 ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
478 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
479 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
480 ctf_integer(unsigned long, background_thresh, background_thresh)
481 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
482 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
483 )
484)
31410cca 485#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a 486LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
9cf29d3e
MD		 487
488 writeback_global_dirty_state,
b87700e3
AG		 489
490 TP_PROTO(unsigned long background_thresh,
491 unsigned long dirty_thresh
492 ),
493
494 TP_ARGS(background_thresh,
495 dirty_thresh
496 ),
497
f127e61e
MD		 498 TP_FIELDS(
499 ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
500 ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
501 ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
502 ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
503 ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
504 ctf_integer(unsigned long, background_thresh, background_thresh)
505 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
506 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
b87700e3
AG		 507 )
508)
509#endif
510
511#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
512
513#define KBps(x) ((x) << (PAGE_SHIFT - 10))
514
a40cb509
MD		 515#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
516
517LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
518
519 writeback_bdi_dirty_ratelimit,
520
521 TP_PROTO(struct bdi_writeback *wb,
522 unsigned long dirty_rate,
523 unsigned long task_ratelimit),
524
525 TP_ARGS(wb, dirty_rate, task_ratelimit),
526
527 TP_FIELDS(
528 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
529 ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
530 ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
531 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
532 ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
533 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
534 ctf_integer(unsigned long, balanced_dirty_ratelimit,
535 KBps(wb->bdi->wb.balanced_dirty_ratelimit))
536 )
537)
538
539#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
c7d89a6d 540
3bc29f0a 541LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
9cf29d3e
MD		 542
543 writeback_bdi_dirty_ratelimit,
b87700e3
AG		 544
545 TP_PROTO(struct backing_dev_info *bdi,
546 unsigned long dirty_rate,
547 unsigned long task_ratelimit),
548
549 TP_ARGS(bdi, dirty_rate, task_ratelimit),
550
f127e61e
MD		 551 TP_FIELDS(
552 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
902947a4
MJ		 553 ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth))
554 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth))
f127e61e 555 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
902947a4 556 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit))
f127e61e 557 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
902947a4
MJ		 558 ctf_integer(unsigned long, balanced_dirty_ratelimit,
559 KBps(bdi->wb.balanced_dirty_ratelimit))
c7d89a6d
MD		 560 )
561)
562
563#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
564
565LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
566
567 writeback_bdi_dirty_ratelimit,
568
569 TP_PROTO(struct backing_dev_info *bdi,
570 unsigned long dirty_rate,
571 unsigned long task_ratelimit),
572
573 TP_ARGS(bdi, dirty_rate, task_ratelimit),
574
575 TP_FIELDS(
576 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
577 ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth))
578 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth))
579 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
580 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit))
581 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
f127e61e 582 ctf_integer(unsigned long, balanced_dirty_ratelimit,
b87700e3 583 KBps(bdi->balanced_dirty_ratelimit))
b87700e3
AG		 584 )
585)
586
c7d89a6d
MD		 587#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
588
a40cb509
MD		 589#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
590
591LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
592
593 writeback_balance_dirty_pages,
594
595 TP_PROTO(struct bdi_writeback *wb,
596 unsigned long thresh,
597 unsigned long bg_thresh,
598 unsigned long dirty,
599 unsigned long bdi_thresh,
600 unsigned long bdi_dirty,
601 unsigned long dirty_ratelimit,
602 unsigned long task_ratelimit,
603 unsigned long dirtied,
604 unsigned long period,
605 long pause,
606 unsigned long start_time),
607
608 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
609 dirty_ratelimit, task_ratelimit,
610 dirtied, period, pause, start_time
611 ),
612
613 TP_FIELDS(
614 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
615 ctf_integer(unsigned long, limit, global_dirty_limit)
616 ctf_integer(unsigned long, setpoint,
617 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
618 ctf_integer(unsigned long, dirty, dirty)
619 ctf_integer(unsigned long, bdi_setpoint,
620 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
621 bdi_thresh / (thresh + 1))
622 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
623 ctf_integer(unsigned long, dirty_ratelimit,
624 KBps(dirty_ratelimit))
625 ctf_integer(unsigned long, task_ratelimit,
626 KBps(task_ratelimit))
627 ctf_integer(unsigned int, dirtied, dirtied)
628 ctf_integer(unsigned int, dirtied_pause,
629 current->nr_dirtied_pause)
630 ctf_integer(unsigned long, paused,
631 (jiffies - start_time) * 1000 / HZ)
632 ctf_integer(long, pause, pause * 1000 / HZ)
633 ctf_integer(unsigned long, period,
634 period * 1000 / HZ)
635 ctf_integer(long, think,
636 current->dirty_paused_when == 0 ? 0 :
637 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
638 )
639)
640
641#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
642
3bc29f0a 643LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
9cf29d3e
MD		 644
645 writeback_balance_dirty_pages,
b87700e3
AG		 646
647 TP_PROTO(struct backing_dev_info *bdi,
648 unsigned long thresh,
649 unsigned long bg_thresh,
650 unsigned long dirty,
651 unsigned long bdi_thresh,
652 unsigned long bdi_dirty,
653 unsigned long dirty_ratelimit,
654 unsigned long task_ratelimit,
655 unsigned long dirtied,
656#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
657 unsigned long period,
658#endif
659 long pause,
660 unsigned long start_time),
661
662 TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
663 dirty_ratelimit, task_ratelimit,
664#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
f127e61e 665 dirtied, period, pause, start_time
b87700e3 666#else
f127e61e 667 dirtied, pause, start_time
b87700e3
AG		 668#endif
669 ),
670
f127e61e
MD		 671 TP_FIELDS(
672 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
673 ctf_integer(unsigned long, limit, global_dirty_limit)
674 ctf_integer(unsigned long, setpoint,
b87700e3 675 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
f127e61e
MD		 676 ctf_integer(unsigned long, dirty, dirty)
677 ctf_integer(unsigned long, bdi_setpoint,
b87700e3 678 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
f127e61e
MD		 679 bdi_thresh / (thresh + 1))
680 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
681 ctf_integer(unsigned long, dirty_ratelimit,
682 KBps(dirty_ratelimit))
683 ctf_integer(unsigned long, task_ratelimit,
684 KBps(task_ratelimit))
685 ctf_integer(unsigned int, dirtied, dirtied)
686 ctf_integer(unsigned int, dirtied_pause,
687 current->nr_dirtied_pause)
688 ctf_integer(unsigned long, paused,
689 (jiffies - start_time) * 1000 / HZ)
690 ctf_integer(long, pause, pause * 1000 / HZ)
b87700e3 691#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
f127e61e
MD		 692 ctf_integer(unsigned long, period,
693 period * 1000 / HZ)
694 ctf_integer(long, think,
695 current->dirty_paused_when == 0 ? 0 :
696 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
b87700e3 697#endif
f127e61e 698 )
b87700e3 699)
a40cb509
MD		 700#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
701
702#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */
b87700e3
AG		 703
704#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
3bc29f0a 705LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,
b87700e3
AG		 706
707 TP_PROTO(struct inode *inode),
708 TP_ARGS(inode),
709
f127e61e
MD		 710 TP_FIELDS(
711 ctf_array_text(char, name,
70f6fc80 712 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 713 ctf_integer(unsigned long, ino, inode->i_ino)
714 ctf_integer(unsigned long, state, inode->i_state)
715 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
b87700e3
AG		 716 )
717)
718#endif
719
720#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
3bc29f0a 721LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
b87700e3
AG		 722
723 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
724
725 TP_ARGS(usec_timeout, usec_delayed),
726
f127e61e
MD		 727 TP_FIELDS(
728 ctf_integer(unsigned int, usec_timeout, usec_timeout)
729 ctf_integer(unsigned int, usec_delayed, usec_delayed)
730 )
b87700e3
AG		 731)
732
3bc29f0a 733LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,
b87700e3
AG		 734
735 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
736
737 TP_ARGS(usec_timeout, usec_delayed)
738)
739
3bc29f0a 740LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
b87700e3
AG		 741
742 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
743
744 TP_ARGS(usec_timeout, usec_delayed)
745)
746#endif
747
748#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a 749LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
b87700e3
AG		 750
751 TP_PROTO(struct inode *inode,
752 struct writeback_control *wbc,
753 unsigned long nr_to_write
754 ),
755
756 TP_ARGS(inode, wbc, nr_to_write),
757
f127e61e
MD		 758 TP_FIELDS(
759 ctf_array_text(char, name,
70f6fc80 760 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 761 ctf_integer(unsigned long, ino, inode->i_ino)
762 ctf_integer(unsigned long, state, inode->i_state)
763 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
764 ctf_integer(unsigned long, writeback_index,
765 inode->i_mapping->writeback_index)
766 ctf_integer(long, nr_to_write, nr_to_write)
767 ctf_integer(unsigned long, wrote,
768 nr_to_write - wbc->nr_to_write)
b87700e3
AG		 769 )
770)
771
772#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
3bc29f0a 773LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue,
b87700e3
AG		 774 TP_PROTO(struct inode *inode,
775 struct writeback_control *wbc,
776 unsigned long nr_to_write),
777 TP_ARGS(inode, wbc, nr_to_write)
778)
779#endif
780
3bc29f0a 781LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
b87700e3
AG		 782 TP_PROTO(struct inode *inode,
783 struct writeback_control *wbc,
784 unsigned long nr_to_write),
785 TP_ARGS(inode, wbc, nr_to_write)
786)
787#endif
788
3bc29f0a 789#endif /* LTTNG_TRACE_WRITEBACK_H */
b87700e3
AG		 790
791/* This part must be outside protection */
6ec43db8 792#include <probes/define_trace.h>
LTTng 2.0/0.x modules
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