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Namespace kernel version macros
[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
70f6fc80
MJ		 16/*
17 * Vanilla kernels before 4.0 do not implement inode_to_bdi
18 * RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi
19 * RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
20 * RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
21 * commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines
22 * inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules.
23 */
360d3efe 24#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0))
70f6fc80 25static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
b87700e3 26{
70f6fc80
MJ		 27 struct super_block *sb;
28
29 if (!inode)
30 return &noop_backing_dev_info;
31
32 sb = inode->i_sb;
b87700e3
AG		 33
34 if (strcmp(sb->s_type->name, "bdev") == 0)
35 return inode->i_mapping->backing_dev_info;
36
37 return sb->s_bdi;
38}
70f6fc80
MJ		 39#else
40static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
41{
42 return inode_to_bdi(inode);
43}
360d3efe 44#endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) */
99a570c8 45
b87700e3
AG		 46#endif
47
360d3efe 48#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
99a570c8
MD		 49#define show_inode_state(state) \
50 __print_flags(state, "|", \
51 {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
52 {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
53 {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
54 {I_NEW, "I_NEW"}, \
55 {I_WILL_FREE, "I_WILL_FREE"}, \
56 {I_FREEING, "I_FREEING"}, \
57 {I_CLEAR, "I_CLEAR"}, \
58 {I_SYNC, "I_SYNC"}, \
59 {I_DIRTY_TIME, "I_DIRTY_TIME"}, \
60 {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
61 {I_REFERENCED, "I_REFERENCED"} \
62 )
360d3efe 63#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
b87700e3
AG		 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_REFERENCED, "I_REFERENCED"} \
75 )
360d3efe 76#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
b87700e3 77
360d3efe 78#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
99a570c8
MD		 79
80LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
81 TP_PROTO(struct page *page, struct address_space *mapping),
82 TP_ARGS(page, mapping),
f127e61e
MD		 83 TP_FIELDS(
84 ctf_array_text(char, name,
70f6fc80 85 mapping ? dev_name(lttng_inode_to_bdi(mapping->host)->dev) : "(unknown)", 32)
f127e61e
MD		 86 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
87 ctf_integer(pgoff_t, index, page->index)
99a570c8
MD		 88 )
89)
90
91LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
92 TP_PROTO(struct inode *inode, int flags),
93 TP_ARGS(inode, flags),
f127e61e 94 TP_FIELDS(
99a570c8 95 /* may be called for files on pseudo FSes w/ unregistered bdi */
f127e61e 96 ctf_array_text(char, name,
70f6fc80
MJ		 97 lttng_inode_to_bdi(inode)->dev ?
98 dev_name(lttng_inode_to_bdi(inode)->dev) : "(unknown)", 32)
f127e61e
MD		 99 ctf_integer(unsigned long, ino, inode->i_ino)
100 ctf_integer(unsigned long, state, inode->i_state)
101 ctf_integer(unsigned long, flags, flags)
99a570c8
MD		 102 )
103)
104#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
105LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
106 TP_PROTO(struct inode *inode, int flags), \
107 TP_ARGS(inode, flags))
108LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
109LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
110LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
111
112LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
113 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
114 TP_ARGS(inode, wbc),
f127e61e
MD		 115 TP_FIELDS(
116 ctf_array_text(char, name,
70f6fc80 117 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 118 ctf_integer(unsigned long, ino, inode->i_ino)
119 ctf_integer(int, sync_mode, wbc->sync_mode)
99a570c8
MD		 120 )
121)
122
123#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
124LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
125 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
126 TP_ARGS(inode, wbc))
127LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
128LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
129
360d3efe 130#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
99a570c8 131
aa634cd1
JD		 132LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
133 TP_PROTO(struct page *page, struct address_space *mapping),
134 TP_ARGS(page, mapping),
f127e61e
MD		 135 TP_FIELDS(
136 ctf_array_text(char, name,
aa634cd1 137 mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32)
f127e61e
MD		 138 ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
139 ctf_integer(pgoff_t, index, page->index)
aa634cd1
JD		 140 )
141)
142
143LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
144 TP_PROTO(struct inode *inode, int flags),
145 TP_ARGS(inode, flags),
f127e61e 146 TP_FIELDS(
aa634cd1 147 /* may be called for files on pseudo FSes w/ unregistered bdi */
f127e61e 148 ctf_array_text(char, name,
aa634cd1 149 inode->i_mapping->backing_dev_info->dev ?
f127e61e
MD		 150 dev_name(inode->i_mapping->backing_dev_info->dev)
151 : "(unknown)", 32)
152 ctf_integer(unsigned long, ino, inode->i_ino)
153 ctf_integer(unsigned long, flags, flags)
aa634cd1
JD		 154 )
155)
156#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
157LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
158 TP_PROTO(struct inode *inode, int flags), \
159 TP_ARGS(inode, flags))
160LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
161LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
162
163LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
164 TP_PROTO(struct inode *inode, struct writeback_control *wbc),
165 TP_ARGS(inode, wbc),
f127e61e
MD		 166 TP_FIELDS(
167 ctf_array_text(char, name,
aa634cd1 168 dev_name(inode->i_mapping->backing_dev_info->dev), 32)
f127e61e
MD		 169 ctf_integer(unsigned long, ino, inode->i_ino)
170 ctf_integer(int, sync_mode, wbc->sync_mode)
aa634cd1
JD		 171 )
172)
173
174#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
175LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
176 TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
177 TP_ARGS(inode, wbc))
178LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
179LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
99a570c8 180
360d3efe 181#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
aa634cd1 182
360d3efe 183#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 184
185LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
186 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
187 TP_ARGS(wb, work),
188 TP_FIELDS(
189 ctf_array_text(char, name, wb->bdi->dev ? dev_name(wb->bdi->dev) :
190 "(unknown)", 32)
191 )
192)
193
360d3efe 194#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0))
99a570c8
MD		 195
196LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
197 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
198 TP_ARGS(bdi, work),
f127e61e
MD		 199 TP_FIELDS(
200 ctf_array_text(char, name, bdi->dev ? dev_name(bdi->dev) :
99a570c8 201 "(unknown)", 32)
99a570c8
MD		 202 )
203)
204
360d3efe 205#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
99a570c8 206
3bc29f0a 207LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
b87700e3
AG		 208 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
209 TP_ARGS(bdi, work),
f127e61e
MD		 210 TP_FIELDS(
211 ctf_array_text(char, name,
212 dev_name(bdi->dev ? bdi->dev :
b87700e3 213 default_backing_dev_info.dev), 32)
b87700e3 214 )
b87700e3 215)
99a570c8 216
360d3efe 217#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */
99a570c8 218
360d3efe 219#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 220
221#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
222LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
223 TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
224 TP_ARGS(wb, work))
225
360d3efe 226#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 227
3bc29f0a
MD		 228#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
229LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
b87700e3
AG		 230 TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
231 TP_ARGS(bdi, work))
a40cb509 232
360d3efe 233#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 234
3bc29f0a
MD		 235LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
236LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
237LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
360d3efe 238#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 239LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
240LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
241LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)
b87700e3
AG		 242#endif
243
3bc29f0a 244LTTNG_TRACEPOINT_EVENT(writeback_pages_written,
b87700e3
AG		 245 TP_PROTO(long pages_written),
246 TP_ARGS(pages_written),
f127e61e
MD		 247 TP_FIELDS(
248 ctf_integer(long, pages, pages_written)
249 )
b87700e3
AG		 250)
251
360d3efe 252#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 253
254LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
255 TP_PROTO(struct bdi_writeback *wb),
256 TP_ARGS(wb),
257 TP_FIELDS(
258 ctf_array_text(char, name,
259 dev_name(wb->bdi->dev), 32)
260 )
261)
262
263#undef DEFINE_WRITEBACK_EVENT
264#define DEFINE_WRITEBACK_EVENT(name) \
265LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
266 TP_PROTO(struct bdi_writeback *wb), \
267 TP_ARGS(wb))
268
269#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
270LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
271 TP_PROTO(struct bdi_writeback *wb), \
272 TP_ARGS(wb))
273
274LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
275 TP_PROTO(struct backing_dev_info *bdi),
276 TP_ARGS(bdi),
277 TP_FIELDS(
278 ctf_array_text(char, name,
279 dev_name(bdi->dev), 32)
280 )
281)
282
360d3efe 283#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 284
3bc29f0a 285LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
b87700e3
AG		 286 TP_PROTO(struct backing_dev_info *bdi),
287 TP_ARGS(bdi),
f127e61e
MD		 288 TP_FIELDS(
289 ctf_array_text(char, name,
290 dev_name(bdi->dev), 32)
b87700e3
AG		 291 )
292)
a40cb509 293
59fecd6c 294#undef DEFINE_WRITEBACK_EVENT
b87700e3 295#define DEFINE_WRITEBACK_EVENT(name) \
3bc29f0a 296LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
b87700e3
AG		 297 TP_PROTO(struct backing_dev_info *bdi), \
298 TP_ARGS(bdi))
299
9cf29d3e 300#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
3bc29f0a 301LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
9cf29d3e
MD		 302 TP_PROTO(struct backing_dev_info *bdi), \
303 TP_ARGS(bdi))
304
a40cb509
MD		 305DEFINE_WRITEBACK_EVENT(writeback_bdi_register)
306
360d3efe 307#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 308
b87700e3 309DEFINE_WRITEBACK_EVENT(writeback_nowork)
360d3efe 310#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,38))
b87700e3
AG		 311DEFINE_WRITEBACK_EVENT(writeback_wake_background)
312#endif
313DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
314DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
b87700e3
AG		 315DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
316DEFINE_WRITEBACK_EVENT(writeback_thread_start)
317DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
318#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
9cf29d3e
MD		 319DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start)
320DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait)
321
3bc29f0a 322LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written,
b87700e3 323
9cf29d3e 324 writeback_balance_dirty_written,
b87700e3
AG		 325
326 TP_PROTO(struct backing_dev_info *bdi, int written),
327
328 TP_ARGS(bdi, written),
329
f127e61e
MD		 330 TP_FIELDS(
331 ctf_array_text(char, name, dev_name(bdi->dev), 32)
332 ctf_integer(int, written, written)
b87700e3
AG		 333 )
334)
335#endif
336
3bc29f0a 337LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
b87700e3
AG		 338 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
339 TP_ARGS(wbc, bdi),
f127e61e
MD		 340 TP_FIELDS(
341 ctf_array_text(char, name, dev_name(bdi->dev), 32)
342 ctf_integer(long, nr_to_write, wbc->nr_to_write)
343 ctf_integer(long, pages_skipped, wbc->pages_skipped)
344 ctf_integer(int, sync_mode, wbc->sync_mode)
345 ctf_integer(int, for_kupdate, wbc->for_kupdate)
346 ctf_integer(int, for_background, wbc->for_background)
347 ctf_integer(int, for_reclaim, wbc->for_reclaim)
348 ctf_integer(int, range_cyclic, wbc->range_cyclic)
360d3efe 349#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
f127e61e
MD		 350 ctf_integer(int, more_io, wbc->more_io)
351 ctf_integer(unsigned long, older_than_this,
352 wbc->older_than_this ? *wbc->older_than_this : 0)
b87700e3 353#endif
f127e61e
MD		 354 ctf_integer(long, range_start, (long) wbc->range_start)
355 ctf_integer(long, range_end, (long) wbc->range_end)
356 )
b87700e3
AG		 357)
358
9cf29d3e 359#undef DEFINE_WBC_EVENT
3bc29f0a
MD		 360#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
361LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
b87700e3
AG		 362 TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
363 TP_ARGS(wbc, bdi))
360d3efe 364#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a
MD		 365LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start)
366LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written)
367LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait)
368LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start)
369LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written)
370LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait)
b87700e3 371#endif
3bc29f0a 372LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
b87700e3 373
360d3efe 374#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
7318a1e8
MJ		 375 LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
376 LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
377 LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
378 LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
379 LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
380 LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
381 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0))
382LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
383 TP_PROTO(struct bdi_writeback *wb,
384 struct wb_writeback_work *work,
385 unsigned long dirtied_before,
386 int moved),
387 TP_ARGS(wb, work, dirtied_before, moved),
388 TP_FIELDS(
389 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
390 ctf_integer(unsigned long, older, dirtied_before)
391 ctf_integer(int, moved, moved)
392 )
393)
360d3efe 394#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
3bc29f0a 395LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
b87700e3 396 TP_PROTO(struct bdi_writeback *wb,
b87700e3 397 struct wb_writeback_work *work,
b87700e3 398 int moved),
b87700e3 399 TP_ARGS(wb, work, moved),
7318a1e8
MJ		 400 TP_FIELDS(
401 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
402 ctf_integer(int, moved, moved)
403 )
404)
360d3efe 405#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
7318a1e8
MJ		 406LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
407 TP_PROTO(struct bdi_writeback *wb,
408 unsigned long *older_than_this,
409 int moved),
b87700e3 410 TP_ARGS(wb, older_than_this, moved),
f127e61e
MD		 411 TP_FIELDS(
412 ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
f127e61e
MD		 413 ctf_integer(unsigned long, older,
414 older_than_this ? *older_than_this : 0)
415 ctf_integer(long, age,
416 older_than_this ?
417 (jiffies - *older_than_this) * 1000 / HZ
418 : -1)
f127e61e 419 ctf_integer(int, moved, moved)
b87700e3 420 )
b87700e3 421)
7318a1e8 422#endif
b87700e3 423
360d3efe 424#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
7b510611
MJ		 425LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
426
427 writeback_global_dirty_state,
428
429 TP_PROTO(unsigned long background_thresh,
430 unsigned long dirty_thresh
431 ),
432
433 TP_ARGS(background_thresh,
434 dirty_thresh
435 ),
436
437 TP_FIELDS(
438 ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
439 ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
440 ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
441 ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
442 ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
443 ctf_integer(unsigned long, background_thresh, background_thresh)
444 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
445 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
446 )
447)
360d3efe 448#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a 449LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
9cf29d3e
MD		 450
451 writeback_global_dirty_state,
b87700e3
AG		 452
453 TP_PROTO(unsigned long background_thresh,
454 unsigned long dirty_thresh
455 ),
456
457 TP_ARGS(background_thresh,
458 dirty_thresh
459 ),
460
f127e61e
MD		 461 TP_FIELDS(
462 ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
463 ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
464 ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
465 ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
466 ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
467 ctf_integer(unsigned long, background_thresh, background_thresh)
468 ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
469 ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
b87700e3
AG		 470 )
471)
472#endif
473
360d3efe 474#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0))
b87700e3
AG		 475
476#define KBps(x) ((x) << (PAGE_SHIFT - 10))
477
360d3efe 478#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 479
480LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
481
482 writeback_bdi_dirty_ratelimit,
483
484 TP_PROTO(struct bdi_writeback *wb,
485 unsigned long dirty_rate,
486 unsigned long task_ratelimit),
487
488 TP_ARGS(wb, dirty_rate, task_ratelimit),
489
490 TP_FIELDS(
491 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
492 ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
493 ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
494 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
495 ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
496 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
497 ctf_integer(unsigned long, balanced_dirty_ratelimit,
498 KBps(wb->bdi->wb.balanced_dirty_ratelimit))
499 )
500)
501
360d3efe 502#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
c7d89a6d 503
3bc29f0a 504LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
9cf29d3e
MD		 505
506 writeback_bdi_dirty_ratelimit,
b87700e3
AG		 507
508 TP_PROTO(struct backing_dev_info *bdi,
509 unsigned long dirty_rate,
510 unsigned long task_ratelimit),
511
512 TP_ARGS(bdi, dirty_rate, task_ratelimit),
513
f127e61e
MD		 514 TP_FIELDS(
515 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
902947a4
MJ		 516 ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth))
517 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth))
f127e61e 518 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
902947a4 519 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit))
f127e61e 520 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
902947a4
MJ		 521 ctf_integer(unsigned long, balanced_dirty_ratelimit,
522 KBps(bdi->wb.balanced_dirty_ratelimit))
c7d89a6d
MD		 523 )
524)
525
360d3efe 526#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
c7d89a6d
MD		 527
528LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
529
530 writeback_bdi_dirty_ratelimit,
531
532 TP_PROTO(struct backing_dev_info *bdi,
533 unsigned long dirty_rate,
534 unsigned long task_ratelimit),
535
536 TP_ARGS(bdi, dirty_rate, task_ratelimit),
537
538 TP_FIELDS(
539 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
540 ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth))
541 ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth))
542 ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
543 ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit))
544 ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
f127e61e 545 ctf_integer(unsigned long, balanced_dirty_ratelimit,
b87700e3 546 KBps(bdi->balanced_dirty_ratelimit))
b87700e3
AG		 547 )
548)
549
360d3efe 550#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
c7d89a6d 551
360d3efe 552#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0))
a40cb509
MD		 553
554LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
555
556 writeback_balance_dirty_pages,
557
558 TP_PROTO(struct bdi_writeback *wb,
559 unsigned long thresh,
560 unsigned long bg_thresh,
561 unsigned long dirty,
562 unsigned long bdi_thresh,
563 unsigned long bdi_dirty,
564 unsigned long dirty_ratelimit,
565 unsigned long task_ratelimit,
566 unsigned long dirtied,
567 unsigned long period,
568 long pause,
569 unsigned long start_time),
570
571 TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
572 dirty_ratelimit, task_ratelimit,
573 dirtied, period, pause, start_time
574 ),
575
576 TP_FIELDS(
577 ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
578 ctf_integer(unsigned long, limit, global_dirty_limit)
579 ctf_integer(unsigned long, setpoint,
580 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
581 ctf_integer(unsigned long, dirty, dirty)
582 ctf_integer(unsigned long, bdi_setpoint,
583 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
584 bdi_thresh / (thresh + 1))
585 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
586 ctf_integer(unsigned long, dirty_ratelimit,
587 KBps(dirty_ratelimit))
588 ctf_integer(unsigned long, task_ratelimit,
589 KBps(task_ratelimit))
590 ctf_integer(unsigned int, dirtied, dirtied)
591 ctf_integer(unsigned int, dirtied_pause,
592 current->nr_dirtied_pause)
593 ctf_integer(unsigned long, paused,
594 (jiffies - start_time) * 1000 / HZ)
595 ctf_integer(long, pause, pause * 1000 / HZ)
596 ctf_integer(unsigned long, period,
597 period * 1000 / HZ)
598 ctf_integer(long, think,
599 current->dirty_paused_when == 0 ? 0 :
600 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
601 )
602)
603
360d3efe 604#else /* #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 605
3bc29f0a 606LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
9cf29d3e
MD		 607
608 writeback_balance_dirty_pages,
b87700e3
AG		 609
610 TP_PROTO(struct backing_dev_info *bdi,
611 unsigned long thresh,
612 unsigned long bg_thresh,
613 unsigned long dirty,
614 unsigned long bdi_thresh,
615 unsigned long bdi_dirty,
616 unsigned long dirty_ratelimit,
617 unsigned long task_ratelimit,
618 unsigned long dirtied,
360d3efe 619#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
b87700e3
AG		 620 unsigned long period,
621#endif
622 long pause,
623 unsigned long start_time),
624
625 TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
626 dirty_ratelimit, task_ratelimit,
360d3efe 627#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
f127e61e 628 dirtied, period, pause, start_time
b87700e3 629#else
f127e61e 630 dirtied, pause, start_time
b87700e3
AG		 631#endif
632 ),
633
f127e61e
MD		 634 TP_FIELDS(
635 ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
636 ctf_integer(unsigned long, limit, global_dirty_limit)
637 ctf_integer(unsigned long, setpoint,
b87700e3 638 (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
f127e61e
MD		 639 ctf_integer(unsigned long, dirty, dirty)
640 ctf_integer(unsigned long, bdi_setpoint,
b87700e3 641 ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
f127e61e
MD		 642 bdi_thresh / (thresh + 1))
643 ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
644 ctf_integer(unsigned long, dirty_ratelimit,
645 KBps(dirty_ratelimit))
646 ctf_integer(unsigned long, task_ratelimit,
647 KBps(task_ratelimit))
648 ctf_integer(unsigned int, dirtied, dirtied)
649 ctf_integer(unsigned int, dirtied_pause,
650 current->nr_dirtied_pause)
651 ctf_integer(unsigned long, paused,
652 (jiffies - start_time) * 1000 / HZ)
653 ctf_integer(long, pause, pause * 1000 / HZ)
360d3efe 654#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
f127e61e
MD		 655 ctf_integer(unsigned long, period,
656 period * 1000 / HZ)
657 ctf_integer(long, think,
658 current->dirty_paused_when == 0 ? 0 :
659 (long)(jiffies - current->dirty_paused_when) * 1000/HZ)
b87700e3 660#endif
f127e61e 661 )
b87700e3 662)
360d3efe 663#endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */
a40cb509 664
360d3efe 665#endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) */
b87700e3 666
360d3efe 667#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0))
3bc29f0a 668LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,
b87700e3
AG		 669
670 TP_PROTO(struct inode *inode),
671 TP_ARGS(inode),
672
f127e61e
MD		 673 TP_FIELDS(
674 ctf_array_text(char, name,
70f6fc80 675 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 676 ctf_integer(unsigned long, ino, inode->i_ino)
677 ctf_integer(unsigned long, state, inode->i_state)
678 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
b87700e3
AG		 679 )
680)
681#endif
682
360d3efe 683#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,37))
3bc29f0a 684LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
b87700e3
AG		 685
686 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
687
688 TP_ARGS(usec_timeout, usec_delayed),
689
f127e61e
MD		 690 TP_FIELDS(
691 ctf_integer(unsigned int, usec_timeout, usec_timeout)
692 ctf_integer(unsigned int, usec_delayed, usec_delayed)
693 )
b87700e3
AG		 694)
695
3bc29f0a 696LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,
b87700e3
AG		 697
698 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
699
700 TP_ARGS(usec_timeout, usec_delayed)
701)
702
3bc29f0a 703LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
b87700e3
AG		 704
705 TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
706
707 TP_ARGS(usec_timeout, usec_delayed)
708)
709#endif
710
360d3efe 711#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
3bc29f0a 712LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
b87700e3
AG		 713
714 TP_PROTO(struct inode *inode,
715 struct writeback_control *wbc,
716 unsigned long nr_to_write
717 ),
718
719 TP_ARGS(inode, wbc, nr_to_write),
720
f127e61e
MD		 721 TP_FIELDS(
722 ctf_array_text(char, name,
70f6fc80 723 dev_name(lttng_inode_to_bdi(inode)->dev), 32)
f127e61e
MD		 724 ctf_integer(unsigned long, ino, inode->i_ino)
725 ctf_integer(unsigned long, state, inode->i_state)
726 ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
727 ctf_integer(unsigned long, writeback_index,
728 inode->i_mapping->writeback_index)
729 ctf_integer(long, nr_to_write, nr_to_write)
730 ctf_integer(unsigned long, wrote,
731 nr_to_write - wbc->nr_to_write)
b87700e3
AG		 732 )
733)
734
360d3efe 735#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,5,0))
3bc29f0a 736LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue,
b87700e3
AG		 737 TP_PROTO(struct inode *inode,
738 struct writeback_control *wbc,
739 unsigned long nr_to_write),
740 TP_ARGS(inode, wbc, nr_to_write)
741)
742#endif
743
3bc29f0a 744LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
b87700e3
AG		 745 TP_PROTO(struct inode *inode,
746 struct writeback_control *wbc,
747 unsigned long nr_to_write),
748 TP_ARGS(inode, wbc, nr_to_write)
749)
750#endif
751
3bc29f0a 752#endif /* LTTNG_TRACE_WRITEBACK_H */
b87700e3
AG		 753
754/* This part must be outside protection */
6ec43db8 755#include <probes/define_trace.h>
LTTng 2.0/0.x modules
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