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Fix: do not use bdi_unknown_name symbol
[lttng-modules.git] / instrumentation / events / lttng-module / writeback.h
CommitLineData
b87700e3
AG		 1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM writeback
3
3bc29f0a
MD		 4#if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
5#define LTTNG_TRACE_WRITEBACK_H
b87700e3 6
6ec43db8 7#include <probes/lttng-tracepoint-event.h>
aa634cd1 8#include <linux/tracepoint.h>
b87700e3
AG		 9#include <linux/backing-dev.h>
10#include <linux/writeback.h>
360d3efe 11#include <lttng-kernel-version.h>
b87700e3
AG		 12
13#ifndef _TRACE_WRITEBACK_DEF_
14#define _TRACE_WRITEBACK_DEF_
99a570c8 15
5873cbc6
MD		 16/*
17 * Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use
18 * static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name
19 * symbol which is not exported to GPL modules.
20 */
21#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0))
3b8be22c
MD		 22static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
23{
24 return bdi_dev_name(bdi);
25}
26#else
27static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
28{
29 if (!bdi || !bdi->dev)
30 return "(unknown)";
31 return dev_name(bdi->dev);
32}
33#endif
34
70f6fc80
MJ		 35/*
36 * Vanilla kernels before 4.0 do not implement inode_to_bdi
37 * RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi
38 * RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
39 * RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
40 * commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines
41 * inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules.
42 */
360d3efe 43#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0))
70f6fc80 44static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
b87700e3 45{
70f6fc80
MJ		 46 struct super_block *sb;
47
48 if (!inode)
49 return &noop_backing_dev_info;
50
51 sb = inode->i_sb;
b87700e3
AG		 52
53 if (strcmp(sb->s_type->name, "bdev") == 0)
54 return inode->i_mapping->backing_dev_info;
55
56 return sb->s_bdi;
57}
70f6fc80
MJ		 58#else
59static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
60{
61 return inode_to_bdi(inode);
62}
360d3efe 63#endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) */
99a570c8 64
b87700e3
AG		 65#endif
66
360d3efe 67#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
99a570c8
MD		 68#define show_inode_state(state) \
69 __print_flags(state, "|", \
70 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
71 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
72 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
73 {I_NEW, "I_NEW"}, \
74 {I_WILL_FREE, "I_WILL_FREE"}, \
75 {I_FREEING, "I_FREEING"}, \
76 {I_CLEAR, "I_CLEAR"}, \
77 {I_SYNC, "I_SYNC"}, \
78 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
79 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
80 {I_REFERENCED, "I_REFERENCED"} \
81 )
360d3efe 82#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
b87700e3
AG		 83#define show_inode_state(state) \
84 __print_flags(state, "|", \
85 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
86 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
87 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
88 {I_NEW, "I_NEW"}, \
89 {I_WILL_FREE, "I_WILL_FREE"}, \
90 {I_FREEING, "I_FREEING"}, \
91 {I_CLEAR, "I_CLEAR"}, \
92 {I_SYNC, "I_SYNC"}, \
93 {I_REFERENCED, "I_REFERENCED"} \
94 )
360d3efe 95#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
b87700e3 96
360d3efe 97#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
99a570c8
MD		 98
99LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
100 TP_PROTO(struct page *page, struct address_space *mapping),
101 TP_ARGS(page, mapping),
f127e61e 102 TP_FIELDS(
3b8be22c 103 ctf_string(name, lttng_bdi_dev_name(mapping ? lttng_inode_to_bdi(mapping->host) : NULL))
f127e61e
MD		 104 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
105 ctf_integer(pgoff_t, index, page->index)
99a570c8
MD		 106 )
107)
108
109LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
110 TP_PROTO(struct inode *inode, int flags),
111 TP_ARGS(inode, flags),
f127e61e 112 TP_FIELDS(
99a570c8 113 /* may be called for files on pseudo FSes w/ unregistered bdi */
3b8be22c 114 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
f127e61e
MD		 115 ctf_integer(unsigned long, ino, inode->i_ino)
116 ctf_integer(unsigned long, state, inode->i_state)
117 ctf_integer(unsigned long, flags, flags)
99a570c8
MD		 118 )
119)
120#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
121LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
122 TP_PROTO(struct inode *inode, int flags), \
123 TP_ARGS(inode, flags))
124LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
125LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
126LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
127
128LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
129 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
130 TP_ARGS(inode, wbc),
f127e61e 131 TP_FIELDS(
3b8be22c 132 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
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
360d3efe 145#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
99a570c8 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 150 TP_FIELDS(
3b8be22c 151 ctf_string(name, lttng_bdi_dev_name(mapping ? mapping->backing_dev_info : NULL))
f127e61e
MD		 152 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
153 ctf_integer(pgoff_t, index, page->index)
aa634cd1
JD		 154 )
155)
156
157LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
158 TP_PROTO(struct inode *inode, int flags),
159 TP_ARGS(inode, flags),
f127e61e 160 TP_FIELDS(
aa634cd1 161 /* may be called for files on pseudo FSes w/ unregistered bdi */
3b8be22c 162 ctf_string(name, lttng_bdi_dev_name(inode->i_mapping->backing_dev_info))
f127e61e
MD		 163 ctf_integer(unsigned long, ino, inode->i_ino)
164 ctf_integer(unsigned long, flags, flags)
aa634cd1
JD		 165 )
166)
167#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
168LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
169 TP_PROTO(struct inode *inode, int flags), \
170 TP_ARGS(inode, flags))
171LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
172LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
173
174LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
175 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
176 TP_ARGS(inode, wbc),
f127e61e 177 TP_FIELDS(
3b8be22c 178 ctf_string(name, lttng_bdi_dev_name(inode->i_mapping->backing_dev_info))
f127e61e
MD		 179 ctf_integer(unsigned long, ino, inode->i_ino)
180 ctf_integer(int, sync_mode, wbc->sync_mode)
aa634cd1
JD		 181 )
182)
183
184#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
185LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
186 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
187 TP_ARGS(inode, wbc))
188LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
189LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
99a570c8 190
360d3efe 191#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
aa634cd1 192
360d3efe 193#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 194
195LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
196 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
197 TP_ARGS(wb, work),
198 TP_FIELDS(
3b8be22c 199 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
99a570c8
MD		 200 )
201)
202
3b8be22c 203#else
99a570c8 204
3bc29f0a 205LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
b87700e3
AG		 206 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
207 TP_ARGS(bdi, work),
f127e61e 208 TP_FIELDS(
3b8be22c 209 ctf_string(name, lttng_bdi_dev_name(bdi))
b87700e3 210 )
b87700e3 211)
99a570c8 212
3b8be22c 213#endif /* #else if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
99a570c8 214
360d3efe 215#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 216
217#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
218LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
219 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
220 TP_ARGS(wb, work))
221
360d3efe 222#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 223
3bc29f0a
MD		 224#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
225LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
b87700e3
AG		 226 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
227 TP_ARGS(bdi, work))
a40cb509 228
360d3efe 229#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 230
3bc29f0a
MD		 231LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
232LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
233LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
360d3efe 234#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 235LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
236LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
237LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)
b87700e3
AG		 238#endif
239
3bc29f0a 240LTTNG_TRACEPOINT_EVENT(writeback_pages_written,
b87700e3
AG		 241 TP_PROTO(long pages_written),
242 TP_ARGS(pages_written),
f127e61e
MD		 243 TP_FIELDS(
244 ctf_integer(long, pages, pages_written)
245 )
b87700e3
AG		 246)
247
360d3efe 248#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 249
250LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
251 TP_PROTO(struct bdi_writeback *wb),
252 TP_ARGS(wb),
253 TP_FIELDS(
3b8be22c 254 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
a40cb509
MD		 255 )
256)
257
258#undef DEFINE_WRITEBACK_EVENT
259#define DEFINE_WRITEBACK_EVENT(name) \
260LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
261 TP_PROTO(struct bdi_writeback *wb), \
262 TP_ARGS(wb))
263
264#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
265LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
266 TP_PROTO(struct bdi_writeback *wb), \
267 TP_ARGS(wb))
268
269LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
270 TP_PROTO(struct backing_dev_info *bdi),
271 TP_ARGS(bdi),
272 TP_FIELDS(
3b8be22c 273 ctf_string(name, lttng_bdi_dev_name(bdi))
a40cb509
MD		 274 )
275)
276
360d3efe 277#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 278
3bc29f0a 279LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
b87700e3
AG		 280 TP_PROTO(struct backing_dev_info *bdi),
281 TP_ARGS(bdi),
f127e61e 282 TP_FIELDS(
3b8be22c 283 ctf_string(name, lttng_bdi_dev_name(bdi))
b87700e3
AG		 284 )
285)
a40cb509 286
59fecd6c 287#undef DEFINE_WRITEBACK_EVENT
b87700e3 288#define DEFINE_WRITEBACK_EVENT(name) \
3bc29f0a 289LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
b87700e3
AG		 290 TP_PROTO(struct backing_dev_info *bdi), \
291 TP_ARGS(bdi))
292
9cf29d3e 293#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
3bc29f0a 294LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
9cf29d3e
MD		 295 TP_PROTO(struct backing_dev_info *bdi), \
296 TP_ARGS(bdi))
297
a40cb509
MD		 298DEFINE_WRITEBACK_EVENT(writeback_bdi_register)
299
360d3efe 300#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 301
b87700e3 302DEFINE_WRITEBACK_EVENT(writeback_nowork)
360d3efe 303#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,38))
b87700e3
AG		 304DEFINE_WRITEBACK_EVENT(writeback_wake_background)
305#endif
306DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
307DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
b87700e3
AG		 308DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
309DEFINE_WRITEBACK_EVENT(writeback_thread_start)
310DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
311#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
9cf29d3e
MD		 312DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start)
313DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait)
314
3bc29f0a 315LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written,
b87700e3 316
9cf29d3e 317 writeback_balance_dirty_written,
b87700e3
AG		 318
319 TP_PROTO(struct backing_dev_info *bdi, int written),
320
321 TP_ARGS(bdi, written),
322
f127e61e 323 TP_FIELDS(
3b8be22c 324 ctf_string(name, lttng_bdi_dev_name(bdi))
f127e61e 325 ctf_integer(int, written, written)
b87700e3
AG		 326 )
327)
328#endif
329
3bc29f0a 330LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
b87700e3
AG		 331 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
332 TP_ARGS(wbc, bdi),
f127e61e 333 TP_FIELDS(
3b8be22c 334 ctf_string(name, lttng_bdi_dev_name(bdi))
f127e61e
MD		 335 ctf_integer(long, nr_to_write, wbc->nr_to_write)
336 ctf_integer(long, pages_skipped, wbc->pages_skipped)
337 ctf_integer(int, sync_mode, wbc->sync_mode)
338 ctf_integer(int, for_kupdate, wbc->for_kupdate)
339 ctf_integer(int, for_background, wbc->for_background)
340 ctf_integer(int, for_reclaim, wbc->for_reclaim)
341 ctf_integer(int, range_cyclic, wbc->range_cyclic)
360d3efe 342#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
f127e61e
MD		 343 ctf_integer(int, more_io, wbc->more_io)
344 ctf_integer(unsigned long, older_than_this,
345 wbc->older_than_this ? *wbc->older_than_this : 0)
b87700e3 346#endif
f127e61e
MD		 347 ctf_integer(long, range_start, (long) wbc->range_start)
348 ctf_integer(long, range_end, (long) wbc->range_end)
349 )
b87700e3
AG		 350)
351
9cf29d3e 352#undef DEFINE_WBC_EVENT
3bc29f0a
MD		 353#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
354LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
b87700e3
AG		 355 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
356 TP_ARGS(wbc, bdi))
360d3efe 357#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 358LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start)
359LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written)
360LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait)
361LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start)
362LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written)
363LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait)
b87700e3 364#endif
3bc29f0a 365LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
b87700e3 366
360d3efe 367#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
7318a1e8
MJ		 368 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
369 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
370 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
371 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
372 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
373 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
374 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0))
375LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
376 TP_PROTO(struct bdi_writeback *wb,
377 struct wb_writeback_work *work,
378 unsigned long dirtied_before,
379 int moved),
380 TP_ARGS(wb, work, dirtied_before, moved),
381 TP_FIELDS(
3b8be22c 382 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
7318a1e8
MJ		 383 ctf_integer(unsigned long, older, dirtied_before)
384 ctf_integer(int, moved, moved)
385 )
386)
360d3efe 387#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
3bc29f0a 388LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
b87700e3 389 TP_PROTO(struct bdi_writeback *wb,
b87700e3 390 struct wb_writeback_work *work,
b87700e3 391 int moved),
b87700e3 392 TP_ARGS(wb, work, moved),
7318a1e8 393 TP_FIELDS(
3b8be22c 394 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
7318a1e8
MJ		 395 ctf_integer(int, moved, moved)
396 )
397)
360d3efe 398#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
7318a1e8
MJ		 399LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
400 TP_PROTO(struct bdi_writeback *wb,
401 unsigned long *older_than_this,
402 int moved),
b87700e3 403 TP_ARGS(wb, older_than_this, moved),
f127e61e 404 TP_FIELDS(
3b8be22c 405 ctf_string(name, lttng_bdi_dev_name(wb->bdi))
f127e61e
MD		 406 ctf_integer(unsigned long, older,
407 older_than_this ? *older_than_this : 0)
408 ctf_integer(long, age,
409 older_than_this ?
410 (jiffies - *older_than_this) * 1000 / HZ
411 : -1)
f127e61e 412 ctf_integer(int, moved, moved)
b87700e3 413 )
b87700e3 414)
7318a1e8 415#endif
b87700e3 416
360d3efe 417#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
7b510611
MJ		 418LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
419
420 writeback_global_dirty_state,
421
422 TP_PROTO(unsigned long background_thresh,
423 unsigned long dirty_thresh
424 ),
425
426 TP_ARGS(background_thresh,
427 dirty_thresh
428 ),
429
430 TP_FIELDS(
431 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
432 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
433 ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
434 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
435 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
436 ctf_integer(unsigned long, background_thresh, background_thresh)
437 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
438 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
439 )
440)
360d3efe 441#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a 442LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
9cf29d3e
MD		 443
444 writeback_global_dirty_state,
b87700e3
AG		 445
446 TP_PROTO(unsigned long background_thresh,
447 unsigned long dirty_thresh
448 ),
449
450 TP_ARGS(background_thresh,
451 dirty_thresh
452 ),
453
f127e61e
MD		 454 TP_FIELDS(
455 ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
456 ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
457 ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
458 ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
459 ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
460 ctf_integer(unsigned long, background_thresh, background_thresh)
461 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
462 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
b87700e3
AG		 463 )
464)
465#endif
466
360d3efe 467#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
b87700e3
AG		 468
469#define KBps(x) ((x) << (PAGE_SHIFT - 10))
470
360d3efe 471#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 472
473LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
474
475 writeback_bdi_dirty_ratelimit,
476
477 TP_PROTO(struct bdi_writeback *wb,
478 unsigned long dirty_rate,
479 unsigned long task_ratelimit),
480
481 TP_ARGS(wb, dirty_rate, task_ratelimit),
482
483 TP_FIELDS(
3b8be22c 484 ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
a40cb509
MD		 485 ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
486 ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
487 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
488 ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
489 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
490 ctf_integer(unsigned long, balanced_dirty_ratelimit,
491 KBps(wb->bdi->wb.balanced_dirty_ratelimit))
492 )
493)
494
360d3efe 495#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
c7d89a6d 496
3bc29f0a 497LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
9cf29d3e
MD		 498
499 writeback_bdi_dirty_ratelimit,
b87700e3
AG		 500
501 TP_PROTO(struct backing_dev_info *bdi,
502 unsigned long dirty_rate,
503 unsigned long task_ratelimit),
504
505 TP_ARGS(bdi, dirty_rate, task_ratelimit),
506
f127e61e 507 TP_FIELDS(
3b8be22c 508 ctf_string(bdi, lttng_bdi_dev_name(bdi))
902947a4
MJ		 509 ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth))
510 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth))
f127e61e 511 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
902947a4 512 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit))
f127e61e 513 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
902947a4
MJ		 514 ctf_integer(unsigned long, balanced_dirty_ratelimit,
515 KBps(bdi->wb.balanced_dirty_ratelimit))
c7d89a6d
MD		 516 )
517)
518
360d3efe 519#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
c7d89a6d
MD		 520
521LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
522
523 writeback_bdi_dirty_ratelimit,
524
525 TP_PROTO(struct backing_dev_info *bdi,
526 unsigned long dirty_rate,
527 unsigned long task_ratelimit),
528
529 TP_ARGS(bdi, dirty_rate, task_ratelimit),
530
531 TP_FIELDS(
3b8be22c 532 ctf_string(bdi, lttng_bdi_dev_name(bdi))
c7d89a6d
MD		 533 ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth))
534 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth))
535 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
536 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit))
537 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
f127e61e 538 ctf_integer(unsigned long, balanced_dirty_ratelimit,
b87700e3 539 KBps(bdi->balanced_dirty_ratelimit))
b87700e3
AG		 540 )
541)
542
360d3efe 543#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
c7d89a6d 544
360d3efe 545#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 546
547LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
548
549 writeback_balance_dirty_pages,
550
551 TP_PROTO(struct bdi_writeback *wb,
552 unsigned long thresh,
553 unsigned long bg_thresh,
554 unsigned long dirty,
555 unsigned long bdi_thresh,
556 unsigned long bdi_dirty,
557 unsigned long dirty_ratelimit,
558 unsigned long task_ratelimit,
559 unsigned long dirtied,
560 unsigned long period,
561 long pause,
562 unsigned long start_time),
563
564 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
565 dirty_ratelimit, task_ratelimit,
566 dirtied, period, pause, start_time
567 ),
568
569 TP_FIELDS(
3b8be22c 570 ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
a40cb509
MD		 571 ctf_integer(unsigned long, limit, global_dirty_limit)
572 ctf_integer(unsigned long, setpoint,
573 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
574 ctf_integer(unsigned long, dirty, dirty)
575 ctf_integer(unsigned long, bdi_setpoint,
576 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
577 bdi_thresh / (thresh + 1))
578 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
579 ctf_integer(unsigned long, dirty_ratelimit,
580 KBps(dirty_ratelimit))
581 ctf_integer(unsigned long, task_ratelimit,
582 KBps(task_ratelimit))
583 ctf_integer(unsigned int, dirtied, dirtied)
584 ctf_integer(unsigned int, dirtied_pause,
585 current->nr_dirtied_pause)
586 ctf_integer(unsigned long, paused,
587 (jiffies - start_time) * 1000 / HZ)
588 ctf_integer(long, pause, pause * 1000 / HZ)
589 ctf_integer(unsigned long, period,
590 period * 1000 / HZ)
591 ctf_integer(long, think,
592 current->dirty_paused_when == 0 ? 0 :
593 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
594 )
595)
596
360d3efe 597#else /* #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 598
3bc29f0a 599LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
9cf29d3e
MD		 600
601 writeback_balance_dirty_pages,
b87700e3
AG		 602
603 TP_PROTO(struct backing_dev_info *bdi,
604 unsigned long thresh,
605 unsigned long bg_thresh,
606 unsigned long dirty,
607 unsigned long bdi_thresh,
608 unsigned long bdi_dirty,
609 unsigned long dirty_ratelimit,
610 unsigned long task_ratelimit,
611 unsigned long dirtied,
360d3efe 612#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
b87700e3
AG		 613 unsigned long period,
614#endif
615 long pause,
616 unsigned long start_time),
617
618 TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
619 dirty_ratelimit, task_ratelimit,
360d3efe 620#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
f127e61e 621 dirtied, period, pause, start_time
b87700e3 622#else
f127e61e 623 dirtied, pause, start_time
b87700e3
AG		 624#endif
625 ),
626
f127e61e 627 TP_FIELDS(
3b8be22c 628 ctf_string(bdi, lttng_bdi_dev_name(bdi))
f127e61e
MD		 629 ctf_integer(unsigned long, limit, global_dirty_limit)
630 ctf_integer(unsigned long, setpoint,
b87700e3 631 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
f127e61e
MD		 632 ctf_integer(unsigned long, dirty, dirty)
633 ctf_integer(unsigned long, bdi_setpoint,
b87700e3 634 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
f127e61e
MD		 635 bdi_thresh / (thresh + 1))
636 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
637 ctf_integer(unsigned long, dirty_ratelimit,
638 KBps(dirty_ratelimit))
639 ctf_integer(unsigned long, task_ratelimit,
640 KBps(task_ratelimit))
641 ctf_integer(unsigned int, dirtied, dirtied)
642 ctf_integer(unsigned int, dirtied_pause,
643 current->nr_dirtied_pause)
644 ctf_integer(unsigned long, paused,
645 (jiffies - start_time) * 1000 / HZ)
646 ctf_integer(long, pause, pause * 1000 / HZ)
360d3efe 647#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
f127e61e
MD		 648 ctf_integer(unsigned long, period,
649 period * 1000 / HZ)
650 ctf_integer(long, think,
651 current->dirty_paused_when == 0 ? 0 :
652 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
b87700e3 653#endif
f127e61e 654 )
b87700e3 655)
360d3efe 656#endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 657
360d3efe 658#endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) */
b87700e3 659
360d3efe 660#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0))
3bc29f0a 661LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,
b87700e3
AG		 662
663 TP_PROTO(struct inode *inode),
664 TP_ARGS(inode),
665
f127e61e 666 TP_FIELDS(
3b8be22c 667 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
f127e61e
MD		 668 ctf_integer(unsigned long, ino, inode->i_ino)
669 ctf_integer(unsigned long, state, inode->i_state)
670 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
b87700e3
AG		 671 )
672)
673#endif
674
360d3efe 675#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,37))
3bc29f0a 676LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
b87700e3
AG		 677
678 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
679
680 TP_ARGS(usec_timeout, usec_delayed),
681
f127e61e
MD		 682 TP_FIELDS(
683 ctf_integer(unsigned int, usec_timeout, usec_timeout)
684 ctf_integer(unsigned int, usec_delayed, usec_delayed)
685 )
b87700e3
AG		 686)
687
3bc29f0a 688LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,
b87700e3
AG		 689
690 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
691
692 TP_ARGS(usec_timeout, usec_delayed)
693)
694
3bc29f0a 695LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
b87700e3
AG		 696
697 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
698
699 TP_ARGS(usec_timeout, usec_delayed)
700)
701#endif
702
360d3efe 703#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a 704LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
b87700e3
AG		 705
706 TP_PROTO(struct inode *inode,
707 struct writeback_control *wbc,
708 unsigned long nr_to_write
709 ),
710
711 TP_ARGS(inode, wbc, nr_to_write),
712
f127e61e 713 TP_FIELDS(
3b8be22c 714 ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode)))
f127e61e
MD		 715 ctf_integer(unsigned long, ino, inode->i_ino)
716 ctf_integer(unsigned long, state, inode->i_state)
717 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
718 ctf_integer(unsigned long, writeback_index,
719 inode->i_mapping->writeback_index)
720 ctf_integer(long, nr_to_write, nr_to_write)
721 ctf_integer(unsigned long, wrote,
722 nr_to_write - wbc->nr_to_write)
b87700e3
AG		 723 )
724)
725
360d3efe 726#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,5,0))
3bc29f0a 727LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue,
b87700e3
AG		 728 TP_PROTO(struct inode *inode,
729 struct writeback_control *wbc,
730 unsigned long nr_to_write),
731 TP_ARGS(inode, wbc, nr_to_write)
732)
733#endif
734
3bc29f0a 735LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
b87700e3
AG		 736 TP_PROTO(struct inode *inode,
737 struct writeback_control *wbc,
738 unsigned long nr_to_write),
739 TP_ARGS(inode, wbc, nr_to_write)
740)
741#endif
742
3bc29f0a 743#endif /* LTTNG_TRACE_WRITEBACK_H */
b87700e3
AG		 744
745/* This part must be outside protection */
6ec43db8 746#include <probes/define_trace.h>
LTTng 2.0/0.x modules
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