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fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
[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
99a570c8
MD		 49#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
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_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
62 {I_REFERENCED, "I_REFERENCED"} \
63 )
64#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
b87700e3
AG		 65#define show_inode_state(state) \
66 __print_flags(state, "|", \
67 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
68 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
69 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
70 {I_NEW, "I_NEW"}, \
71 {I_WILL_FREE, "I_WILL_FREE"}, \
72 {I_FREEING, "I_FREEING"}, \
73 {I_CLEAR, "I_CLEAR"}, \
74 {I_SYNC, "I_SYNC"}, \
75 {I_REFERENCED, "I_REFERENCED"} \
76 )
99a570c8 77#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
b87700e3 78
99a570c8
MD		 79#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
80
81LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
82 TP_PROTO(struct page *page, struct address_space *mapping),
83 TP_ARGS(page, mapping),
f127e61e
MD		 84 TP_FIELDS(
85 ctf_array_text(char, name,
70f6fc80 86 mapping ? dev_name(lttng_inode_to_bdi(mapping->host)->dev) : "(unknown)", 32)
f127e61e
MD		 87 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
88 ctf_integer(pgoff_t, index, page->index)
99a570c8
MD		 89 )
90)
91
92LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
93 TP_PROTO(struct inode *inode, int flags),
94 TP_ARGS(inode, flags),
f127e61e 95 TP_FIELDS(
99a570c8 96 /* may be called for files on pseudo FSes w/ unregistered bdi */
f127e61e 97 ctf_array_text(char, name,
70f6fc80
MJ		 98 lttng_inode_to_bdi(inode)->dev ?
99 dev_name(lttng_inode_to_bdi(inode)->dev) : "(unknown)", 32)
f127e61e
MD		 100 ctf_integer(unsigned long, ino, inode->i_ino)
101 ctf_integer(unsigned long, state, inode->i_state)
102 ctf_integer(unsigned long, flags, flags)
99a570c8
MD		 103 )
104)
105#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
106LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
107 TP_PROTO(struct inode *inode, int flags), \
108 TP_ARGS(inode, flags))
109LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
110LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
111LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
112
113LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
114 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
115 TP_ARGS(inode, wbc),
f127e61e
MD		 116 TP_FIELDS(
117 ctf_array_text(char, name,
70f6fc80 118 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 119 ctf_integer(unsigned long, ino, inode->i_ino)
120 ctf_integer(int, sync_mode, wbc->sync_mode)
99a570c8
MD		 121 )
122)
123
124#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
125LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
126 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
127 TP_ARGS(inode, wbc))
128LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
129LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
130
131#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
132
aa634cd1
JD		 133LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
134 TP_PROTO(struct page *page, struct address_space *mapping),
135 TP_ARGS(page, mapping),
f127e61e
MD		 136 TP_FIELDS(
137 ctf_array_text(char, name,
aa634cd1 138 mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32)
f127e61e
MD		 139 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
140 ctf_integer(pgoff_t, index, page->index)
aa634cd1
JD		 141 )
142)
143
144LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
145 TP_PROTO(struct inode *inode, int flags),
146 TP_ARGS(inode, flags),
f127e61e 147 TP_FIELDS(
aa634cd1 148 /* may be called for files on pseudo FSes w/ unregistered bdi */
f127e61e 149 ctf_array_text(char, name,
aa634cd1 150 inode->i_mapping->backing_dev_info->dev ?
f127e61e
MD		 151 dev_name(inode->i_mapping->backing_dev_info->dev)
152 : "(unknown)", 32)
153 ctf_integer(unsigned long, ino, inode->i_ino)
154 ctf_integer(unsigned long, flags, flags)
aa634cd1
JD		 155 )
156)
157#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
158LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
159 TP_PROTO(struct inode *inode, int flags), \
160 TP_ARGS(inode, flags))
161LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
162LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
163
164LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
165 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
166 TP_ARGS(inode, wbc),
f127e61e
MD		 167 TP_FIELDS(
168 ctf_array_text(char, name,
aa634cd1 169 dev_name(inode->i_mapping->backing_dev_info->dev), 32)
f127e61e
MD		 170 ctf_integer(unsigned long, ino, inode->i_ino)
171 ctf_integer(int, sync_mode, wbc->sync_mode)
aa634cd1
JD		 172 )
173)
174
175#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
176LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
177 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
178 TP_ARGS(inode, wbc))
179LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
180LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
99a570c8 181
aa634cd1
JD		 182#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
183
a40cb509
MD		 184#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
185
186LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
187 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
188 TP_ARGS(wb, work),
189 TP_FIELDS(
190 ctf_array_text(char, name, wb->bdi->dev ? dev_name(wb->bdi->dev) :
191 "(unknown)", 32)
192 )
193)
194
195#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
99a570c8
MD		 196
197LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
198 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
199 TP_ARGS(bdi, work),
f127e61e
MD		 200 TP_FIELDS(
201 ctf_array_text(char, name, bdi->dev ? dev_name(bdi->dev) :
99a570c8 202 "(unknown)", 32)
99a570c8
MD		 203 )
204)
205
206#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
207
3bc29f0a 208LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
b87700e3
AG		 209 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
210 TP_ARGS(bdi, work),
f127e61e
MD		 211 TP_FIELDS(
212 ctf_array_text(char, name,
213 dev_name(bdi->dev ? bdi->dev :
b87700e3 214 default_backing_dev_info.dev), 32)
b87700e3 215 )
b87700e3 216)
99a570c8
MD		 217
218#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
219
a40cb509
MD		 220#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
221
222#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
223LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
224 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
225 TP_ARGS(wb, work))
226
227#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
228
3bc29f0a
MD		 229#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
230LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
b87700e3
AG		 231 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
232 TP_ARGS(bdi, work))
a40cb509
MD		 233
234#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
235
3bc29f0a
MD		 236LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
237LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
238LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
b87700e3 239#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 240LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
241LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
242LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)
b87700e3
AG		 243#endif
244
3bc29f0a 245LTTNG_TRACEPOINT_EVENT(writeback_pages_written,
b87700e3
AG		 246 TP_PROTO(long pages_written),
247 TP_ARGS(pages_written),
f127e61e
MD		 248 TP_FIELDS(
249 ctf_integer(long, pages, pages_written)
250 )
b87700e3
AG		 251)
252
a40cb509
MD		 253#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
254
255LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
256 TP_PROTO(struct bdi_writeback *wb),
257 TP_ARGS(wb),
258 TP_FIELDS(
259 ctf_array_text(char, name,
260 dev_name(wb->bdi->dev), 32)
261 )
262)
263
264#undef DEFINE_WRITEBACK_EVENT
265#define DEFINE_WRITEBACK_EVENT(name) \
266LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
267 TP_PROTO(struct bdi_writeback *wb), \
268 TP_ARGS(wb))
269
270#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
271LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
272 TP_PROTO(struct bdi_writeback *wb), \
273 TP_ARGS(wb))
274
275LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
276 TP_PROTO(struct backing_dev_info *bdi),
277 TP_ARGS(bdi),
278 TP_FIELDS(
279 ctf_array_text(char, name,
280 dev_name(bdi->dev), 32)
281 )
282)
283
284#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
285
3bc29f0a 286LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
b87700e3
AG		 287 TP_PROTO(struct backing_dev_info *bdi),
288 TP_ARGS(bdi),
f127e61e
MD		 289 TP_FIELDS(
290 ctf_array_text(char, name,
291 dev_name(bdi->dev), 32)
b87700e3
AG		 292 )
293)
a40cb509 294
59fecd6c 295#undef DEFINE_WRITEBACK_EVENT
b87700e3 296#define DEFINE_WRITEBACK_EVENT(name) \
3bc29f0a 297LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
b87700e3
AG		 298 TP_PROTO(struct backing_dev_info *bdi), \
299 TP_ARGS(bdi))
300
9cf29d3e 301#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
3bc29f0a 302LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
9cf29d3e
MD		 303 TP_PROTO(struct backing_dev_info *bdi), \
304 TP_ARGS(bdi))
305
a40cb509
MD		 306DEFINE_WRITEBACK_EVENT(writeback_bdi_register)
307
308#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
309
b87700e3
AG		 310DEFINE_WRITEBACK_EVENT(writeback_nowork)
311#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
312DEFINE_WRITEBACK_EVENT(writeback_wake_background)
313#endif
314DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
315DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
b87700e3
AG		 316DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
317DEFINE_WRITEBACK_EVENT(writeback_thread_start)
318DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
319#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
9cf29d3e
MD		 320DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start)
321DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait)
322
3bc29f0a 323LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written,
b87700e3 324
9cf29d3e 325 writeback_balance_dirty_written,
b87700e3
AG		 326
327 TP_PROTO(struct backing_dev_info *bdi, int written),
328
329 TP_ARGS(bdi, written),
330
f127e61e
MD		 331 TP_FIELDS(
332 ctf_array_text(char, name, dev_name(bdi->dev), 32)
333 ctf_integer(int, written, written)
b87700e3
AG		 334 )
335)
336#endif
337
3bc29f0a 338LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
b87700e3
AG		 339 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
340 TP_ARGS(wbc, bdi),
f127e61e
MD		 341 TP_FIELDS(
342 ctf_array_text(char, name, dev_name(bdi->dev), 32)
343 ctf_integer(long, nr_to_write, wbc->nr_to_write)
344 ctf_integer(long, pages_skipped, wbc->pages_skipped)
345 ctf_integer(int, sync_mode, wbc->sync_mode)
346 ctf_integer(int, for_kupdate, wbc->for_kupdate)
347 ctf_integer(int, for_background, wbc->for_background)
348 ctf_integer(int, for_reclaim, wbc->for_reclaim)
349 ctf_integer(int, range_cyclic, wbc->range_cyclic)
b87700e3 350#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
f127e61e
MD		 351 ctf_integer(int, more_io, wbc->more_io)
352 ctf_integer(unsigned long, older_than_this,
353 wbc->older_than_this ? *wbc->older_than_this : 0)
b87700e3 354#endif
f127e61e
MD		 355 ctf_integer(long, range_start, (long) wbc->range_start)
356 ctf_integer(long, range_end, (long) wbc->range_end)
357 )
b87700e3
AG		 358)
359
9cf29d3e 360#undef DEFINE_WBC_EVENT
3bc29f0a
MD		 361#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
362LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
b87700e3
AG		 363 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
364 TP_ARGS(wbc, bdi))
365#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 366LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start)
367LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written)
368LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait)
369LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start)
370LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written)
371LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait)
b87700e3 372#endif
3bc29f0a 373LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
b87700e3
AG		 374
375#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a 376LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
b87700e3
AG		 377 TP_PROTO(struct bdi_writeback *wb,
378#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
379 struct wb_writeback_work *work,
380#else
381 unsigned long *older_than_this,
382#endif
383 int moved),
384#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
385 TP_ARGS(wb, work, moved),
386#else
387 TP_ARGS(wb, older_than_this, moved),
388#endif
f127e61e
MD		 389 TP_FIELDS(
390 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
b87700e3 391#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
b87700e3 392#else
f127e61e
MD		 393 ctf_integer(unsigned long, older,
394 older_than_this ? *older_than_this : 0)
395 ctf_integer(long, age,
396 older_than_this ?
397 (jiffies - *older_than_this) * 1000 / HZ
398 : -1)
b87700e3 399#endif
f127e61e 400 ctf_integer(int, moved, moved)
b87700e3 401 )
b87700e3
AG		 402)
403
b87a9840
MJ		 404#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
405LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
406
407 writeback_global_dirty_state,
408
409 TP_PROTO(unsigned long background_thresh,
410 unsigned long dirty_thresh
411 ),
412
413 TP_ARGS(background_thresh,
414 dirty_thresh
415 ),
416
417 TP_FIELDS(
418 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
419 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
420 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
421 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
422 ctf_integer(unsigned long, background_thresh, background_thresh)
423 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
424 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
425 )
426)
427#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
7ceeb15d
MJ		 428LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
429
430 writeback_global_dirty_state,
431
432 TP_PROTO(unsigned long background_thresh,
433 unsigned long dirty_thresh
434 ),
435
436 TP_ARGS(background_thresh,
437 dirty_thresh
438 ),
439
440 TP_FIELDS(
441 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
442 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
443 ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
444 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
445 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
446 ctf_integer(unsigned long, background_thresh, background_thresh)
447 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
448 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
449 )
450)
451#else
3bc29f0a 452LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
9cf29d3e
MD		 453
454 writeback_global_dirty_state,
b87700e3
AG		 455
456 TP_PROTO(unsigned long background_thresh,
457 unsigned long dirty_thresh
458 ),
459
460 TP_ARGS(background_thresh,
461 dirty_thresh
462 ),
463
f127e61e
MD		 464 TP_FIELDS(
465 ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
466 ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
467 ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
468 ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
469 ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
470 ctf_integer(unsigned long, background_thresh, background_thresh)
471 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
472 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
b87700e3
AG		 473 )
474)
475#endif
7ceeb15d 476#endif
b87700e3
AG		 477
478#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
479
480#define KBps(x) ((x) << (PAGE_SHIFT - 10))
481
a40cb509
MD		 482#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
483
484LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
485
486 writeback_bdi_dirty_ratelimit,
487
488 TP_PROTO(struct bdi_writeback *wb,
489 unsigned long dirty_rate,
490 unsigned long task_ratelimit),
491
492 TP_ARGS(wb, dirty_rate, task_ratelimit),
493
494 TP_FIELDS(
495 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
496 ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
497 ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
498 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
499 ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
500 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
501 ctf_integer(unsigned long, balanced_dirty_ratelimit,
502 KBps(wb->bdi->wb.balanced_dirty_ratelimit))
503 )
504)
505
506#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
c7d89a6d 507
3bc29f0a 508LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
9cf29d3e
MD		 509
510 writeback_bdi_dirty_ratelimit,
b87700e3
AG		 511
512 TP_PROTO(struct backing_dev_info *bdi,
513 unsigned long dirty_rate,
514 unsigned long task_ratelimit),
515
516 TP_ARGS(bdi, dirty_rate, task_ratelimit),
517
f127e61e
MD		 518 TP_FIELDS(
519 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
902947a4
MJ		 520 ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth))
521 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth))
f127e61e 522 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
902947a4 523 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit))
f127e61e 524 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
902947a4
MJ		 525 ctf_integer(unsigned long, balanced_dirty_ratelimit,
526 KBps(bdi->wb.balanced_dirty_ratelimit))
c7d89a6d
MD		 527 )
528)
529
530#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
531
532LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
533
534 writeback_bdi_dirty_ratelimit,
535
536 TP_PROTO(struct backing_dev_info *bdi,
537 unsigned long dirty_rate,
538 unsigned long task_ratelimit),
539
540 TP_ARGS(bdi, dirty_rate, task_ratelimit),
541
542 TP_FIELDS(
543 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
544 ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth))
545 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth))
546 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
547 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit))
548 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
f127e61e 549 ctf_integer(unsigned long, balanced_dirty_ratelimit,
b87700e3 550 KBps(bdi->balanced_dirty_ratelimit))
b87700e3
AG		 551 )
552)
553
c7d89a6d
MD		 554#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
555
a40cb509
MD		 556#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
557
558LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
559
560 writeback_balance_dirty_pages,
561
562 TP_PROTO(struct bdi_writeback *wb,
563 unsigned long thresh,
564 unsigned long bg_thresh,
565 unsigned long dirty,
566 unsigned long bdi_thresh,
567 unsigned long bdi_dirty,
568 unsigned long dirty_ratelimit,
569 unsigned long task_ratelimit,
570 unsigned long dirtied,
571 unsigned long period,
572 long pause,
573 unsigned long start_time),
574
575 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
576 dirty_ratelimit, task_ratelimit,
577 dirtied, period, pause, start_time
578 ),
579
580 TP_FIELDS(
581 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
582 ctf_integer(unsigned long, limit, global_dirty_limit)
583 ctf_integer(unsigned long, setpoint,
584 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
585 ctf_integer(unsigned long, dirty, dirty)
586 ctf_integer(unsigned long, bdi_setpoint,
587 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
588 bdi_thresh / (thresh + 1))
589 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
590 ctf_integer(unsigned long, dirty_ratelimit,
591 KBps(dirty_ratelimit))
592 ctf_integer(unsigned long, task_ratelimit,
593 KBps(task_ratelimit))
594 ctf_integer(unsigned int, dirtied, dirtied)
595 ctf_integer(unsigned int, dirtied_pause,
596 current->nr_dirtied_pause)
597 ctf_integer(unsigned long, paused,
598 (jiffies - start_time) * 1000 / HZ)
599 ctf_integer(long, pause, pause * 1000 / HZ)
600 ctf_integer(unsigned long, period,
601 period * 1000 / HZ)
602 ctf_integer(long, think,
603 current->dirty_paused_when == 0 ? 0 :
604 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
605 )
606)
607
608#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
609
3bc29f0a 610LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
9cf29d3e
MD		 611
612 writeback_balance_dirty_pages,
b87700e3
AG		 613
614 TP_PROTO(struct backing_dev_info *bdi,
615 unsigned long thresh,
616 unsigned long bg_thresh,
617 unsigned long dirty,
618 unsigned long bdi_thresh,
619 unsigned long bdi_dirty,
620 unsigned long dirty_ratelimit,
621 unsigned long task_ratelimit,
622 unsigned long dirtied,
623#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
624 unsigned long period,
625#endif
626 long pause,
627 unsigned long start_time),
628
629 TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
630 dirty_ratelimit, task_ratelimit,
631#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
f127e61e 632 dirtied, period, pause, start_time
b87700e3 633#else
f127e61e 634 dirtied, pause, start_time
b87700e3
AG		 635#endif
636 ),
637
f127e61e
MD		 638 TP_FIELDS(
639 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
640 ctf_integer(unsigned long, limit, global_dirty_limit)
641 ctf_integer(unsigned long, setpoint,
b87700e3 642 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
f127e61e
MD		 643 ctf_integer(unsigned long, dirty, dirty)
644 ctf_integer(unsigned long, bdi_setpoint,
b87700e3 645 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
f127e61e
MD		 646 bdi_thresh / (thresh + 1))
647 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
648 ctf_integer(unsigned long, dirty_ratelimit,
649 KBps(dirty_ratelimit))
650 ctf_integer(unsigned long, task_ratelimit,
651 KBps(task_ratelimit))
652 ctf_integer(unsigned int, dirtied, dirtied)
653 ctf_integer(unsigned int, dirtied_pause,
654 current->nr_dirtied_pause)
655 ctf_integer(unsigned long, paused,
656 (jiffies - start_time) * 1000 / HZ)
657 ctf_integer(long, pause, pause * 1000 / HZ)
b87700e3 658#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
f127e61e
MD		 659 ctf_integer(unsigned long, period,
660 period * 1000 / HZ)
661 ctf_integer(long, think,
662 current->dirty_paused_when == 0 ? 0 :
663 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
b87700e3 664#endif
f127e61e 665 )
b87700e3 666)
a40cb509
MD		 667#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
668
669#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */
b87700e3
AG		 670
671#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
3bc29f0a 672LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,
b87700e3
AG		 673
674 TP_PROTO(struct inode *inode),
675 TP_ARGS(inode),
676
f127e61e
MD		 677 TP_FIELDS(
678 ctf_array_text(char, name,
70f6fc80 679 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 680 ctf_integer(unsigned long, ino, inode->i_ino)
681 ctf_integer(unsigned long, state, inode->i_state)
682 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
b87700e3
AG		 683 )
684)
685#endif
686
687#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
3bc29f0a 688LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
b87700e3
AG		 689
690 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
691
692 TP_ARGS(usec_timeout, usec_delayed),
693
f127e61e
MD		 694 TP_FIELDS(
695 ctf_integer(unsigned int, usec_timeout, usec_timeout)
696 ctf_integer(unsigned int, usec_delayed, usec_delayed)
697 )
b87700e3
AG		 698)
699
3bc29f0a 700LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,
b87700e3
AG		 701
702 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
703
704 TP_ARGS(usec_timeout, usec_delayed)
705)
706
3bc29f0a 707LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
b87700e3
AG		 708
709 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
710
711 TP_ARGS(usec_timeout, usec_delayed)
712)
713#endif
714
715#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
3bc29f0a 716LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
b87700e3
AG		 717
718 TP_PROTO(struct inode *inode,
719 struct writeback_control *wbc,
720 unsigned long nr_to_write
721 ),
722
723 TP_ARGS(inode, wbc, nr_to_write),
724
f127e61e
MD		 725 TP_FIELDS(
726 ctf_array_text(char, name,
70f6fc80 727 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 728 ctf_integer(unsigned long, ino, inode->i_ino)
729 ctf_integer(unsigned long, state, inode->i_state)
730 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
731 ctf_integer(unsigned long, writeback_index,
732 inode->i_mapping->writeback_index)
733 ctf_integer(long, nr_to_write, nr_to_write)
734 ctf_integer(unsigned long, wrote,
735 nr_to_write - wbc->nr_to_write)
b87700e3
AG		 736 )
737)
738
739#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
3bc29f0a 740LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue,
b87700e3
AG		 741 TP_PROTO(struct inode *inode,
742 struct writeback_control *wbc,
743 unsigned long nr_to_write),
744 TP_ARGS(inode, wbc, nr_to_write)
745)
746#endif
747
3bc29f0a 748LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
b87700e3
AG		 749 TP_PROTO(struct inode *inode,
750 struct writeback_control *wbc,
751 unsigned long nr_to_write),
752 TP_ARGS(inode, wbc, nr_to_write)
753)
754#endif
755
3bc29f0a 756#endif /* LTTNG_TRACE_WRITEBACK_H */
b87700e3
AG		 757
758/* This part must be outside protection */
6ec43db8 759#include <probes/define_trace.h>
LTTng 2.0/0.x modules
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