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fix: version ranges for ext4_discard_preallocations and writeback_queue_io
[lttng-modules.git] / include / instrumentation / events / writeback.h
CommitLineData
b7cdc182 1/* SPDX-License-Identifier: GPL-2.0-only */
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
3b4aafcb 8#include <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
084a3c41
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 324DEFINE_WRITEBACK_EVENT(writeback_nowork)
b87700e3 325DEFINE_WRITEBACK_EVENT(writeback_wake_background)
b87700e3
AG		 326DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
327DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
b87700e3
AG		 328DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
329DEFINE_WRITEBACK_EVENT(writeback_thread_start)
330DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
331#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
9cf29d3e
MD		 332DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start)
333DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait)
334
3bc29f0a 335LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written,
b87700e3 336
9cf29d3e 337 writeback_balance_dirty_written,
b87700e3
AG		 338
339 TP_PROTO(struct backing_dev_info *bdi, int written),
340
341 TP_ARGS(bdi, written),
342
f127e61e
MD		 343 TP_FIELDS(
344 ctf_array_text(char, name, dev_name(bdi->dev), 32)
345 ctf_integer(int, written, written)
b87700e3
AG		 346 )
347)
348#endif
349
3bc29f0a 350LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
b87700e3
AG		 351 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
352 TP_ARGS(wbc, bdi),
f127e61e
MD		 353 TP_FIELDS(
354 ctf_array_text(char, name, dev_name(bdi->dev), 32)
355 ctf_integer(long, nr_to_write, wbc->nr_to_write)
356 ctf_integer(long, pages_skipped, wbc->pages_skipped)
357 ctf_integer(int, sync_mode, wbc->sync_mode)
358 ctf_integer(int, for_kupdate, wbc->for_kupdate)
359 ctf_integer(int, for_background, wbc->for_background)
360 ctf_integer(int, for_reclaim, wbc->for_reclaim)
361 ctf_integer(int, range_cyclic, wbc->range_cyclic)
b87700e3 362#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
f127e61e
MD		 363 ctf_integer(int, more_io, wbc->more_io)
364 ctf_integer(unsigned long, older_than_this,
365 wbc->older_than_this ? *wbc->older_than_this : 0)
b87700e3 366#endif
f127e61e
MD		 367 ctf_integer(long, range_start, (long) wbc->range_start)
368 ctf_integer(long, range_end, (long) wbc->range_end)
369 )
b87700e3
AG		 370)
371
9cf29d3e 372#undef DEFINE_WBC_EVENT
3bc29f0a
MD		 373#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
374LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
b87700e3
AG		 375 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
376 TP_ARGS(wbc, bdi))
377#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 378LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start)
379LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written)
380LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait)
381LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start)
382LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written)
383LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait)
b87700e3 384#endif
3bc29f0a 385LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
b87700e3 386
b6af46d1
MJ		 387#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0) || \
388 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
389 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
390 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
391 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
392 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
393 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0))
817e02f9
MJ		 394LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
395 TP_PROTO(struct bdi_writeback *wb,
396 struct wb_writeback_work *work,
397 unsigned long dirtied_before,
398 int moved),
399 TP_ARGS(wb, work, dirtied_before, moved),
400 TP_FIELDS(
401 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
402 ctf_integer(unsigned long, older, dirtied_before)
403 ctf_integer(int, moved, moved)
404 )
405)
406#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
3bc29f0a 407LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
b87700e3 408 TP_PROTO(struct bdi_writeback *wb,
b87700e3 409 struct wb_writeback_work *work,
b87700e3 410 int moved),
b87700e3 411 TP_ARGS(wb, work, moved),
817e02f9
MJ		 412 TP_FIELDS(
413 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
414 ctf_integer(int, moved, moved)
415 )
416)
417#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
418LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
419 TP_PROTO(struct bdi_writeback *wb,
420 unsigned long *older_than_this,
421 int moved),
b87700e3 422 TP_ARGS(wb, older_than_this, moved),
f127e61e
MD		 423 TP_FIELDS(
424 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
f127e61e
MD		 425 ctf_integer(unsigned long, older,
426 older_than_this ? *older_than_this : 0)
427 ctf_integer(long, age,
428 older_than_this ?
429 (jiffies - *older_than_this) * 1000 / HZ
430 : -1)
f127e61e 431 ctf_integer(int, moved, moved)
b87700e3 432 )
b87700e3 433)
817e02f9 434#endif
b87700e3 435
0b1facd4
MJ		 436#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
437LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
438
439 writeback_global_dirty_state,
440
441 TP_PROTO(unsigned long background_thresh,
442 unsigned long dirty_thresh
443 ),
444
445 TP_ARGS(background_thresh,
446 dirty_thresh
447 ),
448
449 TP_FIELDS(
450 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
451 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
452 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
453 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
454 ctf_integer(unsigned long, background_thresh, background_thresh)
455 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
456 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
457 )
458)
459#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
7ceeb15d
MJ		 460LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
461
462 writeback_global_dirty_state,
463
464 TP_PROTO(unsigned long background_thresh,
465 unsigned long dirty_thresh
466 ),
467
468 TP_ARGS(background_thresh,
469 dirty_thresh
470 ),
471
472 TP_FIELDS(
473 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
474 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
475 ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
476 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
477 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
478 ctf_integer(unsigned long, background_thresh, background_thresh)
479 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
480 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
481 )
482)
817e02f9 483#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a 484LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
9cf29d3e
MD		 485
486 writeback_global_dirty_state,
b87700e3
AG		 487
488 TP_PROTO(unsigned long background_thresh,
489 unsigned long dirty_thresh
490 ),
491
492 TP_ARGS(background_thresh,
493 dirty_thresh
494 ),
495
f127e61e
MD		 496 TP_FIELDS(
497 ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
498 ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
499 ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
500 ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
501 ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
502 ctf_integer(unsigned long, background_thresh, background_thresh)
503 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
504 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
b87700e3
AG		 505 )
506)
507#endif
508
509#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
510
511#define KBps(x) ((x) << (PAGE_SHIFT - 10))
512
a40cb509
MD		 513#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
514
515LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
516
517 writeback_bdi_dirty_ratelimit,
518
519 TP_PROTO(struct bdi_writeback *wb,
520 unsigned long dirty_rate,
521 unsigned long task_ratelimit),
522
523 TP_ARGS(wb, dirty_rate, task_ratelimit),
524
525 TP_FIELDS(
526 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
527 ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
528 ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
529 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
530 ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
531 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
532 ctf_integer(unsigned long, balanced_dirty_ratelimit,
533 KBps(wb->bdi->wb.balanced_dirty_ratelimit))
534 )
535)
536
537#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
c7d89a6d 538
3bc29f0a 539LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
9cf29d3e
MD		 540
541 writeback_bdi_dirty_ratelimit,
b87700e3
AG		 542
543 TP_PROTO(struct backing_dev_info *bdi,
544 unsigned long dirty_rate,
545 unsigned long task_ratelimit),
546
547 TP_ARGS(bdi, dirty_rate, task_ratelimit),
548
f127e61e
MD		 549 TP_FIELDS(
550 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
902947a4
MJ		 551 ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth))
552 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth))
f127e61e 553 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
902947a4 554 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit))
f127e61e 555 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
902947a4
MJ		 556 ctf_integer(unsigned long, balanced_dirty_ratelimit,
557 KBps(bdi->wb.balanced_dirty_ratelimit))
c7d89a6d
MD		 558 )
559)
560
561#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
562
563LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
564
565 writeback_bdi_dirty_ratelimit,
566
567 TP_PROTO(struct backing_dev_info *bdi,
568 unsigned long dirty_rate,
569 unsigned long task_ratelimit),
570
571 TP_ARGS(bdi, dirty_rate, task_ratelimit),
572
573 TP_FIELDS(
574 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
575 ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth))
576 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth))
577 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
578 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit))
579 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
f127e61e 580 ctf_integer(unsigned long, balanced_dirty_ratelimit,
b87700e3 581 KBps(bdi->balanced_dirty_ratelimit))
b87700e3
AG		 582 )
583)
584
c7d89a6d
MD		 585#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
586
a40cb509
MD		 587#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
588
589LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
590
591 writeback_balance_dirty_pages,
592
593 TP_PROTO(struct bdi_writeback *wb,
594 unsigned long thresh,
595 unsigned long bg_thresh,
596 unsigned long dirty,
597 unsigned long bdi_thresh,
598 unsigned long bdi_dirty,
599 unsigned long dirty_ratelimit,
600 unsigned long task_ratelimit,
601 unsigned long dirtied,
602 unsigned long period,
603 long pause,
604 unsigned long start_time),
605
606 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
607 dirty_ratelimit, task_ratelimit,
608 dirtied, period, pause, start_time
609 ),
610
611 TP_FIELDS(
612 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
613 ctf_integer(unsigned long, limit, global_dirty_limit)
614 ctf_integer(unsigned long, setpoint,
615 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
616 ctf_integer(unsigned long, dirty, dirty)
617 ctf_integer(unsigned long, bdi_setpoint,
618 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
619 bdi_thresh / (thresh + 1))
620 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
621 ctf_integer(unsigned long, dirty_ratelimit,
622 KBps(dirty_ratelimit))
623 ctf_integer(unsigned long, task_ratelimit,
624 KBps(task_ratelimit))
625 ctf_integer(unsigned int, dirtied, dirtied)
626 ctf_integer(unsigned int, dirtied_pause,
627 current->nr_dirtied_pause)
628 ctf_integer(unsigned long, paused,
629 (jiffies - start_time) * 1000 / HZ)
630 ctf_integer(long, pause, pause * 1000 / HZ)
631 ctf_integer(unsigned long, period,
632 period * 1000 / HZ)
633 ctf_integer(long, think,
634 current->dirty_paused_when == 0 ? 0 :
635 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
636 )
637)
638
639#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
640
3bc29f0a 641LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
9cf29d3e
MD		 642
643 writeback_balance_dirty_pages,
b87700e3
AG		 644
645 TP_PROTO(struct backing_dev_info *bdi,
646 unsigned long thresh,
647 unsigned long bg_thresh,
648 unsigned long dirty,
649 unsigned long bdi_thresh,
650 unsigned long bdi_dirty,
651 unsigned long dirty_ratelimit,
652 unsigned long task_ratelimit,
653 unsigned long dirtied,
654#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
655 unsigned long period,
656#endif
657 long pause,
658 unsigned long start_time),
659
660 TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
661 dirty_ratelimit, task_ratelimit,
662#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
f127e61e 663 dirtied, period, pause, start_time
b87700e3 664#else
f127e61e 665 dirtied, pause, start_time
b87700e3
AG		 666#endif
667 ),
668
f127e61e
MD		 669 TP_FIELDS(
670 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
671 ctf_integer(unsigned long, limit, global_dirty_limit)
672 ctf_integer(unsigned long, setpoint,
b87700e3 673 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
f127e61e
MD		 674 ctf_integer(unsigned long, dirty, dirty)
675 ctf_integer(unsigned long, bdi_setpoint,
b87700e3 676 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
f127e61e
MD		 677 bdi_thresh / (thresh + 1))
678 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
679 ctf_integer(unsigned long, dirty_ratelimit,
680 KBps(dirty_ratelimit))
681 ctf_integer(unsigned long, task_ratelimit,
682 KBps(task_ratelimit))
683 ctf_integer(unsigned int, dirtied, dirtied)
684 ctf_integer(unsigned int, dirtied_pause,
685 current->nr_dirtied_pause)
686 ctf_integer(unsigned long, paused,
687 (jiffies - start_time) * 1000 / HZ)
688 ctf_integer(long, pause, pause * 1000 / HZ)
b87700e3 689#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
f127e61e
MD		 690 ctf_integer(unsigned long, period,
691 period * 1000 / HZ)
692 ctf_integer(long, think,
693 current->dirty_paused_when == 0 ? 0 :
694 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
b87700e3 695#endif
f127e61e 696 )
b87700e3 697)
a40cb509
MD		 698#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
699
700#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */
b87700e3
AG		 701
702#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
3bc29f0a 703LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,
b87700e3
AG		 704
705 TP_PROTO(struct inode *inode),
706 TP_ARGS(inode),
707
f127e61e
MD		 708 TP_FIELDS(
709 ctf_array_text(char, name,
70f6fc80 710 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 711 ctf_integer(unsigned long, ino, inode->i_ino)
712 ctf_integer(unsigned long, state, inode->i_state)
713 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
b87700e3
AG		 714 )
715)
716#endif
717
3bc29f0a 718LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
b87700e3
AG		 719
720 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
721
722 TP_ARGS(usec_timeout, usec_delayed),
723
f127e61e
MD		 724 TP_FIELDS(
725 ctf_integer(unsigned int, usec_timeout, usec_timeout)
726 ctf_integer(unsigned int, usec_delayed, usec_delayed)
727 )
b87700e3
AG		 728)
729
3bc29f0a 730LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,
b87700e3
AG		 731
732 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
733
734 TP_ARGS(usec_timeout, usec_delayed)
735)
736
3bc29f0a 737LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
b87700e3
AG		 738
739 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
740
741 TP_ARGS(usec_timeout, usec_delayed)
742)
b87700e3
AG		 743
744#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a 745LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
b87700e3
AG		 746
747 TP_PROTO(struct inode *inode,
748 struct writeback_control *wbc,
749 unsigned long nr_to_write
750 ),
751
752 TP_ARGS(inode, wbc, nr_to_write),
753
f127e61e
MD		 754 TP_FIELDS(
755 ctf_array_text(char, name,
70f6fc80 756 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 757 ctf_integer(unsigned long, ino, inode->i_ino)
758 ctf_integer(unsigned long, state, inode->i_state)
759 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
760 ctf_integer(unsigned long, writeback_index,
761 inode->i_mapping->writeback_index)
762 ctf_integer(long, nr_to_write, nr_to_write)
763 ctf_integer(unsigned long, wrote,
764 nr_to_write - wbc->nr_to_write)
b87700e3
AG		 765 )
766)
767
768#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
3bc29f0a 769LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue,
b87700e3
AG		 770 TP_PROTO(struct inode *inode,
771 struct writeback_control *wbc,
772 unsigned long nr_to_write),
773 TP_ARGS(inode, wbc, nr_to_write)
774)
775#endif
776
3bc29f0a 777LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
b87700e3
AG		 778 TP_PROTO(struct inode *inode,
779 struct writeback_control *wbc,
780 unsigned long nr_to_write),
781 TP_ARGS(inode, wbc, nr_to_write)
782)
783#endif
784
3bc29f0a 785#endif /* LTTNG_TRACE_WRITEBACK_H */
b87700e3
AG		 786
787/* This part must be outside protection */
3b4aafcb 788#include <lttng/define_trace.h>
LTTng 2.0/0.x modules
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