Commit | Line | Data |
---|---|---|
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> | |
11 | #include <linux/version.h> | |
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 | */ | |
24 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) | |
25 | static 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 |
40 | static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode) | |
41 | { | |
42 | return inode_to_bdi(inode); | |
43 | } | |
99a570c8 MD |
44 | #endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) */ |
45 | ||
b87700e3 AG |
46 | #endif |
47 | ||
99a570c8 MD |
48 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) |
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 | ) | |
63 | #else /* #if (LINUX_VERSION_CODE >= 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 | ) | |
99a570c8 | 76 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ |
b87700e3 | 77 | |
99a570c8 MD |
78 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) |
79 | ||
80 | LTTNG_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 | ||
91 | LTTNG_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) \ | |
105 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
106 | TP_PROTO(struct inode *inode, int flags), \ | |
107 | TP_ARGS(inode, flags)) | |
108 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
109 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
110 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty) | |
111 | ||
112 | LTTNG_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) \ | |
124 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
125 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
126 | TP_ARGS(inode, wbc)) | |
127 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
128 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
129 | ||
130 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) | |
131 | ||
aa634cd1 JD |
132 | LTTNG_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 | ||
143 | LTTNG_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) \ | |
157 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
158 | TP_PROTO(struct inode *inode, int flags), \ | |
159 | TP_ARGS(inode, flags)) | |
160 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
161 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
162 | ||
163 | LTTNG_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) \ | |
175 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
176 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
177 | TP_ARGS(inode, wbc)) | |
178 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
179 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
99a570c8 | 180 | |
aa634cd1 JD |
181 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
182 | ||
a40cb509 MD |
183 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
184 | ||
185 | LTTNG_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 | ||
194 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) | |
99a570c8 MD |
195 | |
196 | LTTNG_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 | ||
205 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
206 | ||
3bc29f0a | 207 | LTTNG_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 MD |
216 | |
217 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
218 | ||
a40cb509 MD |
219 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
220 | ||
221 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ | |
222 | LTTNG_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 | ||
226 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
227 | ||
3bc29f0a MD |
228 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
229 | LTTNG_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 MD |
232 | |
233 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
234 | ||
3bc29f0a MD |
235 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
236 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
237 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
b87700e3 | 238 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) |
3bc29f0a MD |
239 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
240 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
241 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 AG |
242 | #endif |
243 | ||
3bc29f0a | 244 | LTTNG_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 | ||
a40cb509 MD |
252 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
253 | ||
254 | LTTNG_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) \ | |
265 | LTTNG_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) \ | |
270 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ | |
271 | TP_PROTO(struct bdi_writeback *wb), \ | |
272 | TP_ARGS(wb)) | |
273 | ||
274 | LTTNG_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 | ||
283 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
284 | ||
3bc29f0a | 285 | LTTNG_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 | 296 | LTTNG_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 | 301 | LTTNG_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 |
305 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register) |
306 | ||
307 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
308 | ||
b87700e3 AG |
309 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
310 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) | |
311 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) | |
312 | #endif | |
313 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) | |
314 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
b87700e3 AG |
315 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) |
316 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
317 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
318 | #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) | |
9cf29d3e MD |
319 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) |
320 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) | |
321 | ||
3bc29f0a | 322 | LTTNG_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 | 337 | LTTNG_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) | |
b87700e3 | 349 | #if (LINUX_VERSION_CODE < 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) \ |
361 | LTTNG_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)) | |
364 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
3bc29f0a MD |
365 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start) |
366 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written) | |
367 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait) | |
368 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) | |
369 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) | |
370 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) | |
b87700e3 | 371 | #endif |
3bc29f0a | 372 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 AG |
373 | |
374 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 375 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 AG |
376 | TP_PROTO(struct bdi_writeback *wb, |
377 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
378 | struct wb_writeback_work *work, | |
379 | #else | |
380 | unsigned long *older_than_this, | |
381 | #endif | |
382 | int moved), | |
383 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
384 | TP_ARGS(wb, work, moved), | |
385 | #else | |
386 | TP_ARGS(wb, older_than_this, moved), | |
387 | #endif | |
f127e61e MD |
388 | TP_FIELDS( |
389 | ctf_array_text(char, name, dev_name(wb->bdi->dev), 32) | |
b87700e3 | 390 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
b87700e3 | 391 | #else |
f127e61e MD |
392 | ctf_integer(unsigned long, older, |
393 | older_than_this ? *older_than_this : 0) | |
394 | ctf_integer(long, age, | |
395 | older_than_this ? | |
396 | (jiffies - *older_than_this) * 1000 / HZ | |
397 | : -1) | |
b87700e3 | 398 | #endif |
f127e61e | 399 | ctf_integer(int, moved, moved) |
b87700e3 | 400 | ) |
b87700e3 AG |
401 | ) |
402 | ||
7ceeb15d MJ |
403 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
404 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, | |
405 | ||
406 | writeback_global_dirty_state, | |
407 | ||
408 | TP_PROTO(unsigned long background_thresh, | |
409 | unsigned long dirty_thresh | |
410 | ), | |
411 | ||
412 | TP_ARGS(background_thresh, | |
413 | dirty_thresh | |
414 | ), | |
415 | ||
416 | TP_FIELDS( | |
417 | ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY)) | |
418 | ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK)) | |
419 | ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS)) | |
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 | #else | |
3bc29f0a | 428 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
429 | |
430 | writeback_global_dirty_state, | |
b87700e3 AG |
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 | ||
f127e61e MD |
440 | TP_FIELDS( |
441 | ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
442 | ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK)) | |
443 | ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
444 | ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED)) | |
445 | ctf_integer(unsigned long, nr_written, global_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) | |
b87700e3 AG |
449 | ) |
450 | ) | |
451 | #endif | |
7ceeb15d | 452 | #endif |
b87700e3 AG |
453 | |
454 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
455 | ||
456 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
457 | ||
a40cb509 MD |
458 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
459 | ||
460 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, | |
461 | ||
462 | writeback_bdi_dirty_ratelimit, | |
463 | ||
464 | TP_PROTO(struct bdi_writeback *wb, | |
465 | unsigned long dirty_rate, | |
466 | unsigned long task_ratelimit), | |
467 | ||
468 | TP_ARGS(wb, dirty_rate, task_ratelimit), | |
469 | ||
470 | TP_FIELDS( | |
471 | ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) | |
472 | ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth)) | |
473 | ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth)) | |
474 | ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) | |
475 | ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit)) | |
476 | ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) | |
477 | ctf_integer(unsigned long, balanced_dirty_ratelimit, | |
478 | KBps(wb->bdi->wb.balanced_dirty_ratelimit)) | |
479 | ) | |
480 | ) | |
481 | ||
482 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) | |
c7d89a6d | 483 | |
3bc29f0a | 484 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
9cf29d3e MD |
485 | |
486 | writeback_bdi_dirty_ratelimit, | |
b87700e3 AG |
487 | |
488 | TP_PROTO(struct backing_dev_info *bdi, | |
489 | unsigned long dirty_rate, | |
490 | unsigned long task_ratelimit), | |
491 | ||
492 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
493 | ||
f127e61e MD |
494 | TP_FIELDS( |
495 | ctf_array_text(char, bdi, dev_name(bdi->dev), 32) | |
902947a4 MJ |
496 | ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth)) |
497 | ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth)) | |
f127e61e | 498 | ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) |
902947a4 | 499 | ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit)) |
f127e61e | 500 | ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) |
902947a4 MJ |
501 | ctf_integer(unsigned long, balanced_dirty_ratelimit, |
502 | KBps(bdi->wb.balanced_dirty_ratelimit)) | |
c7d89a6d MD |
503 | ) |
504 | ) | |
505 | ||
506 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ | |
507 | ||
508 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, | |
509 | ||
510 | writeback_bdi_dirty_ratelimit, | |
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 | ||
518 | TP_FIELDS( | |
519 | ctf_array_text(char, bdi, dev_name(bdi->dev), 32) | |
520 | ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth)) | |
521 | ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth)) | |
522 | ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) | |
523 | ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit)) | |
524 | ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) | |
f127e61e | 525 | ctf_integer(unsigned long, balanced_dirty_ratelimit, |
b87700e3 | 526 | KBps(bdi->balanced_dirty_ratelimit)) |
b87700e3 AG |
527 | ) |
528 | ) | |
529 | ||
c7d89a6d MD |
530 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ |
531 | ||
a40cb509 MD |
532 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
533 | ||
534 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, | |
535 | ||
536 | writeback_balance_dirty_pages, | |
537 | ||
538 | TP_PROTO(struct bdi_writeback *wb, | |
539 | unsigned long thresh, | |
540 | unsigned long bg_thresh, | |
541 | unsigned long dirty, | |
542 | unsigned long bdi_thresh, | |
543 | unsigned long bdi_dirty, | |
544 | unsigned long dirty_ratelimit, | |
545 | unsigned long task_ratelimit, | |
546 | unsigned long dirtied, | |
547 | unsigned long period, | |
548 | long pause, | |
549 | unsigned long start_time), | |
550 | ||
551 | TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
552 | dirty_ratelimit, task_ratelimit, | |
553 | dirtied, period, pause, start_time | |
554 | ), | |
555 | ||
556 | TP_FIELDS( | |
557 | ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) | |
558 | ctf_integer(unsigned long, limit, global_dirty_limit) | |
559 | ctf_integer(unsigned long, setpoint, | |
560 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
561 | ctf_integer(unsigned long, dirty, dirty) | |
562 | ctf_integer(unsigned long, bdi_setpoint, | |
563 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
564 | bdi_thresh / (thresh + 1)) | |
565 | ctf_integer(unsigned long, bdi_dirty, bdi_dirty) | |
566 | ctf_integer(unsigned long, dirty_ratelimit, | |
567 | KBps(dirty_ratelimit)) | |
568 | ctf_integer(unsigned long, task_ratelimit, | |
569 | KBps(task_ratelimit)) | |
570 | ctf_integer(unsigned int, dirtied, dirtied) | |
571 | ctf_integer(unsigned int, dirtied_pause, | |
572 | current->nr_dirtied_pause) | |
573 | ctf_integer(unsigned long, paused, | |
574 | (jiffies - start_time) * 1000 / HZ) | |
575 | ctf_integer(long, pause, pause * 1000 / HZ) | |
576 | ctf_integer(unsigned long, period, | |
577 | period * 1000 / HZ) | |
578 | ctf_integer(long, think, | |
579 | current->dirty_paused_when == 0 ? 0 : | |
580 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
581 | ) | |
582 | ) | |
583 | ||
584 | #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
585 | ||
3bc29f0a | 586 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
9cf29d3e MD |
587 | |
588 | writeback_balance_dirty_pages, | |
b87700e3 AG |
589 | |
590 | TP_PROTO(struct backing_dev_info *bdi, | |
591 | unsigned long thresh, | |
592 | unsigned long bg_thresh, | |
593 | unsigned long dirty, | |
594 | unsigned long bdi_thresh, | |
595 | unsigned long bdi_dirty, | |
596 | unsigned long dirty_ratelimit, | |
597 | unsigned long task_ratelimit, | |
598 | unsigned long dirtied, | |
599 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
600 | unsigned long period, | |
601 | #endif | |
602 | long pause, | |
603 | unsigned long start_time), | |
604 | ||
605 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
606 | dirty_ratelimit, task_ratelimit, | |
607 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
f127e61e | 608 | dirtied, period, pause, start_time |
b87700e3 | 609 | #else |
f127e61e | 610 | dirtied, pause, start_time |
b87700e3 AG |
611 | #endif |
612 | ), | |
613 | ||
f127e61e MD |
614 | TP_FIELDS( |
615 | ctf_array_text(char, bdi, dev_name(bdi->dev), 32) | |
616 | ctf_integer(unsigned long, limit, global_dirty_limit) | |
617 | ctf_integer(unsigned long, setpoint, | |
b87700e3 | 618 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) |
f127e61e MD |
619 | ctf_integer(unsigned long, dirty, dirty) |
620 | ctf_integer(unsigned long, bdi_setpoint, | |
b87700e3 | 621 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * |
f127e61e MD |
622 | bdi_thresh / (thresh + 1)) |
623 | ctf_integer(unsigned long, bdi_dirty, bdi_dirty) | |
624 | ctf_integer(unsigned long, dirty_ratelimit, | |
625 | KBps(dirty_ratelimit)) | |
626 | ctf_integer(unsigned long, task_ratelimit, | |
627 | KBps(task_ratelimit)) | |
628 | ctf_integer(unsigned int, dirtied, dirtied) | |
629 | ctf_integer(unsigned int, dirtied_pause, | |
630 | current->nr_dirtied_pause) | |
631 | ctf_integer(unsigned long, paused, | |
632 | (jiffies - start_time) * 1000 / HZ) | |
633 | ctf_integer(long, pause, pause * 1000 / HZ) | |
b87700e3 | 634 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) |
f127e61e MD |
635 | ctf_integer(unsigned long, period, |
636 | period * 1000 / HZ) | |
637 | ctf_integer(long, think, | |
638 | current->dirty_paused_when == 0 ? 0 : | |
639 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
b87700e3 | 640 | #endif |
f127e61e | 641 | ) |
b87700e3 | 642 | ) |
a40cb509 MD |
643 | #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ |
644 | ||
645 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */ | |
b87700e3 AG |
646 | |
647 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 648 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
649 | |
650 | TP_PROTO(struct inode *inode), | |
651 | TP_ARGS(inode), | |
652 | ||
f127e61e MD |
653 | TP_FIELDS( |
654 | ctf_array_text(char, name, | |
70f6fc80 | 655 | dev_name(lttng_inode_to_bdi(inode)->dev), 32) |
f127e61e MD |
656 | ctf_integer(unsigned long, ino, inode->i_ino) |
657 | ctf_integer(unsigned long, state, inode->i_state) | |
658 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
b87700e3 AG |
659 | ) |
660 | ) | |
661 | #endif | |
662 | ||
663 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
3bc29f0a | 664 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
665 | |
666 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
667 | ||
668 | TP_ARGS(usec_timeout, usec_delayed), | |
669 | ||
f127e61e MD |
670 | TP_FIELDS( |
671 | ctf_integer(unsigned int, usec_timeout, usec_timeout) | |
672 | ctf_integer(unsigned int, usec_delayed, usec_delayed) | |
673 | ) | |
b87700e3 AG |
674 | ) |
675 | ||
3bc29f0a | 676 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
677 | |
678 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
679 | ||
680 | TP_ARGS(usec_timeout, usec_delayed) | |
681 | ) | |
682 | ||
3bc29f0a | 683 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
684 | |
685 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
686 | ||
687 | TP_ARGS(usec_timeout, usec_delayed) | |
688 | ) | |
689 | #endif | |
690 | ||
691 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 692 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
693 | |
694 | TP_PROTO(struct inode *inode, | |
695 | struct writeback_control *wbc, | |
696 | unsigned long nr_to_write | |
697 | ), | |
698 | ||
699 | TP_ARGS(inode, wbc, nr_to_write), | |
700 | ||
f127e61e MD |
701 | TP_FIELDS( |
702 | ctf_array_text(char, name, | |
70f6fc80 | 703 | dev_name(lttng_inode_to_bdi(inode)->dev), 32) |
f127e61e MD |
704 | ctf_integer(unsigned long, ino, inode->i_ino) |
705 | ctf_integer(unsigned long, state, inode->i_state) | |
706 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
707 | ctf_integer(unsigned long, writeback_index, | |
708 | inode->i_mapping->writeback_index) | |
709 | ctf_integer(long, nr_to_write, nr_to_write) | |
710 | ctf_integer(unsigned long, wrote, | |
711 | nr_to_write - wbc->nr_to_write) | |
b87700e3 AG |
712 | ) |
713 | ) | |
714 | ||
715 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 716 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue, |
b87700e3 AG |
717 | TP_PROTO(struct inode *inode, |
718 | struct writeback_control *wbc, | |
719 | unsigned long nr_to_write), | |
720 | TP_ARGS(inode, wbc, nr_to_write) | |
721 | ) | |
722 | #endif | |
723 | ||
3bc29f0a | 724 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
725 | TP_PROTO(struct inode *inode, |
726 | struct writeback_control *wbc, | |
727 | unsigned long nr_to_write), | |
728 | TP_ARGS(inode, wbc, nr_to_write) | |
729 | ) | |
730 | #endif | |
731 | ||
3bc29f0a | 732 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
733 | |
734 | /* This part must be outside protection */ | |
6ec43db8 | 735 | #include <probes/define_trace.h> |