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 | |
3bc29f0a | 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_ | |
9a8687aa MD |
15 | |
16 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) | |
b87700e3 AG |
17 | static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) |
18 | { | |
19 | struct super_block *sb = inode->i_sb; | |
20 | ||
21 | if (strcmp(sb->s_type->name, "bdev") == 0) | |
22 | return inode->i_mapping->backing_dev_info; | |
23 | ||
24 | return sb->s_bdi; | |
25 | } | |
9a8687aa MD |
26 | #endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) */ |
27 | ||
b87700e3 AG |
28 | #endif |
29 | ||
9a8687aa MD |
30 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) |
31 | #define show_inode_state(state) \ | |
32 | __print_flags(state, "|", \ | |
33 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
34 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
35 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
36 | {I_NEW, "I_NEW"}, \ | |
37 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
38 | {I_FREEING, "I_FREEING"}, \ | |
39 | {I_CLEAR, "I_CLEAR"}, \ | |
40 | {I_SYNC, "I_SYNC"}, \ | |
41 | {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ | |
42 | {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \ | |
43 | {I_REFERENCED, "I_REFERENCED"} \ | |
44 | ) | |
45 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
b87700e3 AG |
46 | #define show_inode_state(state) \ |
47 | __print_flags(state, "|", \ | |
48 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
49 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
50 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
51 | {I_NEW, "I_NEW"}, \ | |
52 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
53 | {I_FREEING, "I_FREEING"}, \ | |
54 | {I_CLEAR, "I_CLEAR"}, \ | |
55 | {I_SYNC, "I_SYNC"}, \ | |
56 | {I_REFERENCED, "I_REFERENCED"} \ | |
57 | ) | |
9a8687aa | 58 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ |
b87700e3 | 59 | |
9a8687aa MD |
60 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) |
61 | ||
62 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, | |
63 | TP_PROTO(struct page *page, struct address_space *mapping), | |
64 | TP_ARGS(page, mapping), | |
65 | TP_STRUCT__entry ( | |
66 | __array_text(char, name, 32) | |
67 | __field(unsigned long, ino) | |
68 | __field(pgoff_t, index) | |
69 | ), | |
70 | TP_fast_assign( | |
71 | tp_memcpy(name, | |
72 | mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32) | |
73 | tp_assign(ino, mapping ? mapping->host->i_ino : 0) | |
74 | tp_assign(index, page->index) | |
75 | ), | |
76 | TP_printk("bdi %s: ino=%lu index=%lu", | |
77 | __entry->name, | |
78 | __entry->ino, | |
79 | __entry->index | |
80 | ) | |
81 | ) | |
82 | ||
83 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
84 | TP_PROTO(struct inode *inode, int flags), | |
85 | TP_ARGS(inode, flags), | |
86 | TP_STRUCT__entry ( | |
87 | __array_text(char, name, 32) | |
88 | __field(unsigned long, ino) | |
89 | __field(unsigned long, state) | |
90 | __field(unsigned long, flags) | |
91 | ), | |
92 | TP_fast_assign( | |
93 | /* may be called for files on pseudo FSes w/ unregistered bdi */ | |
94 | tp_memcpy(name, | |
95 | inode_to_bdi(inode)->dev ? | |
96 | dev_name(inode_to_bdi(inode)->dev) : "(unknown)", 32) | |
97 | tp_assign(ino, inode->i_ino) | |
98 | tp_assign(state, inode->i_state) | |
99 | tp_assign(flags, flags) | |
100 | ), | |
101 | TP_printk("bdi %s: ino=%lu flags=%s", | |
102 | __entry->name, | |
103 | __entry->ino, | |
104 | show_inode_state(__entry->flags) | |
105 | ) | |
106 | ) | |
107 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
108 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
109 | TP_PROTO(struct inode *inode, int flags), \ | |
110 | TP_ARGS(inode, flags)) | |
111 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
112 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
113 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty) | |
114 | ||
115 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
116 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
117 | TP_ARGS(inode, wbc), | |
118 | TP_STRUCT__entry ( | |
119 | __array_text(char, name, 32) | |
120 | __field(unsigned long, ino) | |
121 | __field(int, sync_mode) | |
122 | ), | |
123 | TP_fast_assign( | |
124 | tp_memcpy(name, | |
125 | dev_name(inode_to_bdi(inode)->dev), 32) | |
126 | tp_assign(ino, inode->i_ino) | |
127 | tp_assign(sync_mode, wbc->sync_mode) | |
128 | ), | |
129 | TP_printk("bdi %s: ino=%lu sync_mode=%d", | |
130 | __entry->name, | |
131 | __entry->ino, | |
132 | __entry->sync_mode | |
133 | ) | |
134 | ) | |
135 | ||
136 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
137 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
138 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
139 | TP_ARGS(inode, wbc)) | |
140 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
141 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
142 | ||
143 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) | |
144 | ||
aa634cd1 JD |
145 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, |
146 | TP_PROTO(struct page *page, struct address_space *mapping), | |
147 | TP_ARGS(page, mapping), | |
148 | TP_STRUCT__entry ( | |
149 | __array_text(char, name, 32) | |
150 | __field(unsigned long, ino) | |
151 | __field(pgoff_t, index) | |
152 | ), | |
153 | TP_fast_assign( | |
154 | tp_memcpy(name, | |
155 | mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32) | |
156 | tp_assign(ino, mapping ? mapping->host->i_ino : 0) | |
157 | tp_assign(index, page->index) | |
158 | ), | |
159 | TP_printk("bdi %s: ino=%lu index=%lu", | |
160 | __entry->name, | |
161 | __entry->ino, | |
162 | __entry->index | |
163 | ) | |
164 | ) | |
165 | ||
166 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
167 | TP_PROTO(struct inode *inode, int flags), | |
168 | TP_ARGS(inode, flags), | |
169 | TP_STRUCT__entry ( | |
170 | __array_text(char, name, 32) | |
171 | __field(unsigned long, ino) | |
172 | __field(unsigned long, flags) | |
173 | ), | |
174 | TP_fast_assign( | |
175 | /* may be called for files on pseudo FSes w/ unregistered bdi */ | |
176 | tp_memcpy(name, | |
177 | inode->i_mapping->backing_dev_info->dev ? | |
178 | dev_name(inode->i_mapping->backing_dev_info->dev) : "(unknown)", 32) | |
179 | tp_assign(ino, inode->i_ino) | |
180 | tp_assign(flags, flags) | |
181 | ), | |
182 | TP_printk("bdi %s: ino=%lu flags=%s", | |
183 | __entry->name, | |
184 | __entry->ino, | |
185 | show_inode_state(__entry->flags) | |
186 | ) | |
187 | ) | |
188 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
189 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
190 | TP_PROTO(struct inode *inode, int flags), \ | |
191 | TP_ARGS(inode, flags)) | |
192 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
193 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
194 | ||
195 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
196 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
197 | TP_ARGS(inode, wbc), | |
198 | TP_STRUCT__entry ( | |
199 | __array_text(char, name, 32) | |
200 | __field(unsigned long, ino) | |
201 | __field(int, sync_mode) | |
202 | ), | |
203 | TP_fast_assign( | |
204 | tp_memcpy(name, | |
205 | dev_name(inode->i_mapping->backing_dev_info->dev), 32) | |
206 | tp_assign(ino, inode->i_ino) | |
207 | tp_assign(sync_mode, wbc->sync_mode) | |
208 | ), | |
209 | TP_printk("bdi %s: ino=%lu sync_mode=%d", | |
210 | __entry->name, | |
211 | __entry->ino, | |
212 | __entry->sync_mode | |
213 | ) | |
214 | ) | |
215 | ||
216 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
217 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
218 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
219 | TP_ARGS(inode, wbc)) | |
220 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
221 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
9a8687aa | 222 | |
aa634cd1 JD |
223 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
224 | ||
ee33121c MD |
225 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
226 | ||
227 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, | |
228 | TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), | |
229 | TP_ARGS(wb, work), | |
230 | TP_FIELDS( | |
231 | ctf_array_text(char, name, wb->bdi->dev ? dev_name(wb->bdi->dev) : | |
232 | "(unknown)", 32) | |
233 | ) | |
234 | ) | |
235 | ||
236 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) | |
9a8687aa MD |
237 | |
238 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, | |
239 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), | |
240 | TP_ARGS(bdi, work), | |
241 | TP_STRUCT__entry( | |
242 | __array_text(char, name, 32) | |
243 | ), | |
244 | TP_fast_assign( | |
245 | tp_memcpy(name, bdi->dev ? dev_name(bdi->dev) : | |
246 | "(unknown)", 32) | |
247 | ), | |
248 | TP_printk("bdi %s", | |
249 | __entry->name | |
250 | ) | |
251 | ) | |
252 | ||
253 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
254 | ||
3bc29f0a | 255 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, |
b87700e3 AG |
256 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), |
257 | TP_ARGS(bdi, work), | |
258 | TP_STRUCT__entry( | |
b4cf87e5 | 259 | __array_text(char, name, 32) |
b87700e3 AG |
260 | ), |
261 | TP_fast_assign( | |
262 | tp_memcpy(name, dev_name(bdi->dev ? bdi->dev : | |
263 | default_backing_dev_info.dev), 32) | |
b87700e3 | 264 | ), |
88dc2c97 MD |
265 | TP_printk("bdi %s", |
266 | __entry->name | |
b87700e3 | 267 | ) |
b87700e3 | 268 | ) |
9a8687aa MD |
269 | |
270 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
271 | ||
ee33121c MD |
272 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
273 | ||
274 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ | |
275 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
276 | TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \ | |
277 | TP_ARGS(wb, work)) | |
278 | ||
279 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
280 | ||
3bc29f0a MD |
281 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
282 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
b87700e3 AG |
283 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ |
284 | TP_ARGS(bdi, work)) | |
ee33121c MD |
285 | |
286 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
287 | ||
3bc29f0a MD |
288 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
289 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
290 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
b87700e3 | 291 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) |
3bc29f0a MD |
292 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
293 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
294 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 AG |
295 | #endif |
296 | ||
3bc29f0a | 297 | LTTNG_TRACEPOINT_EVENT(writeback_pages_written, |
b87700e3 AG |
298 | TP_PROTO(long pages_written), |
299 | TP_ARGS(pages_written), | |
300 | TP_STRUCT__entry( | |
301 | __field(long, pages) | |
302 | ), | |
303 | TP_fast_assign( | |
304 | tp_assign(pages, pages_written) | |
305 | ), | |
306 | TP_printk("%ld", __entry->pages) | |
307 | ) | |
308 | ||
ee33121c MD |
309 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
310 | ||
311 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, | |
312 | TP_PROTO(struct bdi_writeback *wb), | |
313 | TP_ARGS(wb), | |
314 | TP_FIELDS( | |
315 | ctf_array_text(char, name, | |
316 | dev_name(wb->bdi->dev), 32) | |
317 | ) | |
318 | ) | |
319 | ||
320 | #undef DEFINE_WRITEBACK_EVENT | |
321 | #define DEFINE_WRITEBACK_EVENT(name) \ | |
322 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ | |
323 | TP_PROTO(struct bdi_writeback *wb), \ | |
324 | TP_ARGS(wb)) | |
325 | ||
326 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ | |
327 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ | |
328 | TP_PROTO(struct bdi_writeback *wb), \ | |
329 | TP_ARGS(wb)) | |
330 | ||
331 | LTTNG_TRACEPOINT_EVENT(writeback_bdi_register, | |
332 | TP_PROTO(struct backing_dev_info *bdi), | |
333 | TP_ARGS(bdi), | |
334 | TP_FIELDS( | |
335 | ctf_array_text(char, name, | |
336 | dev_name(bdi->dev), 32) | |
337 | ) | |
338 | ) | |
339 | ||
340 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
341 | ||
3bc29f0a | 342 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, |
b87700e3 AG |
343 | TP_PROTO(struct backing_dev_info *bdi), |
344 | TP_ARGS(bdi), | |
345 | TP_STRUCT__entry( | |
b4cf87e5 | 346 | __array_text(char, name, 32) |
b87700e3 AG |
347 | ), |
348 | TP_fast_assign( | |
349 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
350 | ), | |
351 | TP_printk("bdi %s", | |
352 | __entry->name | |
353 | ) | |
354 | ) | |
ee33121c | 355 | |
59fecd6c | 356 | #undef DEFINE_WRITEBACK_EVENT |
b87700e3 | 357 | #define DEFINE_WRITEBACK_EVENT(name) \ |
3bc29f0a | 358 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ |
b87700e3 AG |
359 | TP_PROTO(struct backing_dev_info *bdi), \ |
360 | TP_ARGS(bdi)) | |
361 | ||
9cf29d3e | 362 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ |
3bc29f0a | 363 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ |
9cf29d3e MD |
364 | TP_PROTO(struct backing_dev_info *bdi), \ |
365 | TP_ARGS(bdi)) | |
366 | ||
ee33121c MD |
367 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register) |
368 | ||
369 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
370 | ||
b87700e3 AG |
371 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
372 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) | |
373 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) | |
374 | #endif | |
375 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) | |
376 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
b87700e3 AG |
377 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) |
378 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
379 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
380 | #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) | |
9cf29d3e MD |
381 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) |
382 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) | |
383 | ||
3bc29f0a | 384 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, |
b87700e3 | 385 | |
9cf29d3e | 386 | writeback_balance_dirty_written, |
b87700e3 AG |
387 | |
388 | TP_PROTO(struct backing_dev_info *bdi, int written), | |
389 | ||
390 | TP_ARGS(bdi, written), | |
391 | ||
392 | TP_STRUCT__entry( | |
393 | __array(char, name, 32) | |
394 | __field(int, written) | |
395 | ), | |
396 | ||
397 | TP_fast_assign( | |
398 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
399 | tp_assign(written, written) | |
400 | ), | |
401 | ||
402 | TP_printk("bdi %s written %d", | |
403 | __entry->name, | |
404 | __entry->written | |
405 | ) | |
406 | ) | |
407 | #endif | |
408 | ||
3bc29f0a | 409 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, |
b87700e3 AG |
410 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), |
411 | TP_ARGS(wbc, bdi), | |
412 | TP_STRUCT__entry( | |
b4cf87e5 | 413 | __array_text(char, name, 32) |
b87700e3 AG |
414 | __field(long, nr_to_write) |
415 | __field(long, pages_skipped) | |
416 | __field(int, sync_mode) | |
417 | __field(int, for_kupdate) | |
418 | __field(int, for_background) | |
419 | __field(int, for_reclaim) | |
420 | __field(int, range_cyclic) | |
421 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
422 | __field(int, more_io) | |
423 | __field(unsigned long, older_than_this) | |
424 | #endif | |
425 | __field(long, range_start) | |
426 | __field(long, range_end) | |
427 | ), | |
428 | ||
429 | TP_fast_assign( | |
430 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
431 | tp_assign(nr_to_write, wbc->nr_to_write) | |
432 | tp_assign(pages_skipped, wbc->pages_skipped) | |
433 | tp_assign(sync_mode, wbc->sync_mode) | |
434 | tp_assign(for_kupdate, wbc->for_kupdate) | |
435 | tp_assign(for_background, wbc->for_background) | |
436 | tp_assign(for_reclaim, wbc->for_reclaim) | |
437 | tp_assign(range_cyclic, wbc->range_cyclic) | |
438 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
439 | tp_assign(more_io, wbc->more_io) | |
440 | tp_assign(older_than_this, wbc->older_than_this ? | |
441 | *wbc->older_than_this : 0) | |
442 | #endif | |
443 | tp_assign(range_start, (long)wbc->range_start) | |
444 | tp_assign(range_end, (long)wbc->range_end) | |
445 | ), | |
446 | ||
447 | TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " | |
448 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
449 | "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx " | |
450 | #else | |
451 | "bgrd=%d reclm=%d cyclic=%d " | |
452 | #endif | |
453 | "start=0x%lx end=0x%lx", | |
454 | __entry->name, | |
455 | __entry->nr_to_write, | |
456 | __entry->pages_skipped, | |
457 | __entry->sync_mode, | |
458 | __entry->for_kupdate, | |
459 | __entry->for_background, | |
460 | __entry->for_reclaim, | |
461 | __entry->range_cyclic, | |
462 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
463 | __entry->more_io, | |
464 | __entry->older_than_this, | |
465 | #endif | |
466 | __entry->range_start, | |
467 | __entry->range_end) | |
468 | ) | |
469 | ||
9cf29d3e | 470 | #undef DEFINE_WBC_EVENT |
3bc29f0a MD |
471 | #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ |
472 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ | |
b87700e3 AG |
473 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ |
474 | TP_ARGS(wbc, bdi)) | |
475 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
3bc29f0a MD |
476 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start) |
477 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written) | |
478 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait) | |
479 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) | |
480 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) | |
481 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) | |
b87700e3 | 482 | #endif |
3bc29f0a | 483 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 AG |
484 | |
485 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 486 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 AG |
487 | TP_PROTO(struct bdi_writeback *wb, |
488 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
489 | struct wb_writeback_work *work, | |
490 | #else | |
491 | unsigned long *older_than_this, | |
492 | #endif | |
493 | int moved), | |
494 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
495 | TP_ARGS(wb, work, moved), | |
496 | #else | |
497 | TP_ARGS(wb, older_than_this, moved), | |
498 | #endif | |
499 | TP_STRUCT__entry( | |
500 | __array(char, name, 32) | |
88dc2c97 MD |
501 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
502 | #else | |
b87700e3 AG |
503 | __field(unsigned long, older) |
504 | __field(long, age) | |
b87700e3 | 505 | #endif |
88dc2c97 | 506 | __field(int, moved) |
b87700e3 AG |
507 | ), |
508 | TP_fast_assign( | |
509 | tp_memcpy(name, dev_name(wb->bdi->dev), 32) | |
510 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
b87700e3 AG |
511 | #else |
512 | tp_assign(older, older_than_this ? *older_than_this : 0) | |
513 | tp_assign(age, older_than_this ? | |
514 | (jiffies - *older_than_this) * 1000 / HZ : -1) | |
515 | #endif | |
516 | tp_assign(moved, moved) | |
b87700e3 AG |
517 | ), |
518 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
88dc2c97 | 519 | TP_printk("bdi %s: enqueue=%d", |
b87700e3 | 520 | __entry->name, |
b87700e3 | 521 | __entry->moved, |
b87700e3 AG |
522 | ) |
523 | #else | |
524 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d", | |
525 | __entry->name, | |
526 | __entry->older, /* older_than_this in jiffies */ | |
527 | __entry->age, /* older_than_this in relative milliseconds */ | |
528 | __entry->moved | |
529 | ) | |
530 | #endif | |
531 | ) | |
532 | ||
3bc29f0a | 533 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
534 | |
535 | writeback_global_dirty_state, | |
b87700e3 AG |
536 | |
537 | TP_PROTO(unsigned long background_thresh, | |
538 | unsigned long dirty_thresh | |
539 | ), | |
540 | ||
541 | TP_ARGS(background_thresh, | |
542 | dirty_thresh | |
543 | ), | |
544 | ||
545 | TP_STRUCT__entry( | |
546 | __field(unsigned long, nr_dirty) | |
547 | __field(unsigned long, nr_writeback) | |
548 | __field(unsigned long, nr_unstable) | |
549 | __field(unsigned long, background_thresh) | |
550 | __field(unsigned long, dirty_thresh) | |
551 | __field(unsigned long, dirty_limit) | |
552 | __field(unsigned long, nr_dirtied) | |
553 | __field(unsigned long, nr_written) | |
554 | ), | |
555 | ||
556 | TP_fast_assign( | |
557 | tp_assign(nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
558 | tp_assign(nr_writeback, global_page_state(NR_WRITEBACK)) | |
559 | tp_assign(nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
560 | tp_assign(nr_dirtied, global_page_state(NR_DIRTIED)) | |
561 | tp_assign(nr_written, global_page_state(NR_WRITTEN)) | |
562 | tp_assign(background_thresh, background_thresh) | |
563 | tp_assign(dirty_thresh, dirty_thresh) | |
564 | tp_assign(dirty_limit, global_dirty_limit) | |
565 | ), | |
566 | ||
567 | TP_printk("dirty=%lu writeback=%lu unstable=%lu " | |
568 | "bg_thresh=%lu thresh=%lu limit=%lu " | |
569 | "dirtied=%lu written=%lu", | |
570 | __entry->nr_dirty, | |
571 | __entry->nr_writeback, | |
572 | __entry->nr_unstable, | |
573 | __entry->background_thresh, | |
574 | __entry->dirty_thresh, | |
575 | __entry->dirty_limit, | |
576 | __entry->nr_dirtied, | |
577 | __entry->nr_written | |
578 | ) | |
579 | ) | |
580 | #endif | |
581 | ||
582 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
583 | ||
584 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
585 | ||
ee33121c MD |
586 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
587 | ||
588 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, | |
589 | ||
590 | writeback_bdi_dirty_ratelimit, | |
591 | ||
592 | TP_PROTO(struct bdi_writeback *wb, | |
593 | unsigned long dirty_rate, | |
594 | unsigned long task_ratelimit), | |
595 | ||
596 | TP_ARGS(wb, dirty_rate, task_ratelimit), | |
597 | ||
598 | TP_FIELDS( | |
599 | ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) | |
600 | ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth)) | |
601 | ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth)) | |
602 | ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) | |
603 | ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit)) | |
604 | ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) | |
605 | ctf_integer(unsigned long, balanced_dirty_ratelimit, | |
606 | KBps(wb->bdi->wb.balanced_dirty_ratelimit)) | |
607 | ) | |
608 | ) | |
609 | ||
610 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) | |
0e648dfb MJ |
611 | |
612 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, | |
613 | ||
614 | writeback_bdi_dirty_ratelimit, | |
615 | ||
616 | TP_PROTO(struct backing_dev_info *bdi, | |
617 | unsigned long dirty_rate, | |
618 | unsigned long task_ratelimit), | |
619 | ||
620 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
621 | ||
622 | TP_STRUCT__entry( | |
623 | __array(char, bdi, 32) | |
624 | __field(unsigned long, write_bw) | |
625 | __field(unsigned long, avg_write_bw) | |
626 | __field(unsigned long, dirty_rate) | |
627 | __field(unsigned long, dirty_ratelimit) | |
628 | __field(unsigned long, task_ratelimit) | |
629 | __field(unsigned long, balanced_dirty_ratelimit) | |
630 | ), | |
631 | ||
632 | TP_fast_assign( | |
633 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
634 | tp_assign(write_bw, KBps(bdi->wb.write_bandwidth)) | |
635 | tp_assign(avg_write_bw, KBps(bdi->wb.avg_write_bandwidth)) | |
636 | tp_assign(dirty_rate, KBps(dirty_rate)) | |
637 | tp_assign(dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit)) | |
638 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
639 | tp_assign(balanced_dirty_ratelimit, | |
640 | KBps(bdi->wb.balanced_dirty_ratelimit)) | |
641 | ), | |
642 | ||
643 | TP_printk("bdi %s: " | |
644 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
645 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
646 | "balanced_dirty_ratelimit=%lu", | |
647 | __entry->bdi, | |
648 | __entry->write_bw, /* write bandwidth */ | |
649 | __entry->avg_write_bw, /* avg write bandwidth */ | |
650 | __entry->dirty_rate, /* bdi dirty rate */ | |
651 | __entry->dirty_ratelimit, /* base ratelimit */ | |
652 | __entry->task_ratelimit, /* ratelimit with position control */ | |
653 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
654 | ) | |
655 | ) | |
656 | ||
657 | #else | |
658 | ||
3bc29f0a | 659 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
9cf29d3e MD |
660 | |
661 | writeback_bdi_dirty_ratelimit, | |
b87700e3 AG |
662 | |
663 | TP_PROTO(struct backing_dev_info *bdi, | |
664 | unsigned long dirty_rate, | |
665 | unsigned long task_ratelimit), | |
666 | ||
667 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
668 | ||
669 | TP_STRUCT__entry( | |
670 | __array(char, bdi, 32) | |
671 | __field(unsigned long, write_bw) | |
672 | __field(unsigned long, avg_write_bw) | |
673 | __field(unsigned long, dirty_rate) | |
674 | __field(unsigned long, dirty_ratelimit) | |
675 | __field(unsigned long, task_ratelimit) | |
676 | __field(unsigned long, balanced_dirty_ratelimit) | |
677 | ), | |
678 | ||
679 | TP_fast_assign( | |
680 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
681 | tp_assign(write_bw, KBps(bdi->write_bandwidth)) | |
682 | tp_assign(avg_write_bw, KBps(bdi->avg_write_bandwidth)) | |
683 | tp_assign(dirty_rate, KBps(dirty_rate)) | |
684 | tp_assign(dirty_ratelimit, KBps(bdi->dirty_ratelimit)) | |
685 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
686 | tp_assign(balanced_dirty_ratelimit, | |
687 | KBps(bdi->balanced_dirty_ratelimit)) | |
688 | ), | |
689 | ||
690 | TP_printk("bdi %s: " | |
691 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
692 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
693 | "balanced_dirty_ratelimit=%lu", | |
694 | __entry->bdi, | |
695 | __entry->write_bw, /* write bandwidth */ | |
696 | __entry->avg_write_bw, /* avg write bandwidth */ | |
697 | __entry->dirty_rate, /* bdi dirty rate */ | |
698 | __entry->dirty_ratelimit, /* base ratelimit */ | |
699 | __entry->task_ratelimit, /* ratelimit with position control */ | |
700 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
701 | ) | |
702 | ) | |
703 | ||
0e648dfb MJ |
704 | #endif |
705 | ||
ee33121c MD |
706 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
707 | ||
708 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, | |
709 | ||
710 | writeback_balance_dirty_pages, | |
711 | ||
712 | TP_PROTO(struct bdi_writeback *wb, | |
713 | unsigned long thresh, | |
714 | unsigned long bg_thresh, | |
715 | unsigned long dirty, | |
716 | unsigned long bdi_thresh, | |
717 | unsigned long bdi_dirty, | |
718 | unsigned long dirty_ratelimit, | |
719 | unsigned long task_ratelimit, | |
720 | unsigned long dirtied, | |
721 | unsigned long period, | |
722 | long pause, | |
723 | unsigned long start_time), | |
724 | ||
725 | TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
726 | dirty_ratelimit, task_ratelimit, | |
727 | dirtied, period, pause, start_time | |
728 | ), | |
729 | ||
730 | TP_FIELDS( | |
731 | ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) | |
732 | ctf_integer(unsigned long, limit, global_dirty_limit) | |
733 | ctf_integer(unsigned long, setpoint, | |
734 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
735 | ctf_integer(unsigned long, dirty, dirty) | |
736 | ctf_integer(unsigned long, bdi_setpoint, | |
737 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
738 | bdi_thresh / (thresh + 1)) | |
739 | ctf_integer(unsigned long, bdi_dirty, bdi_dirty) | |
740 | ctf_integer(unsigned long, dirty_ratelimit, | |
741 | KBps(dirty_ratelimit)) | |
742 | ctf_integer(unsigned long, task_ratelimit, | |
743 | KBps(task_ratelimit)) | |
744 | ctf_integer(unsigned int, dirtied, dirtied) | |
745 | ctf_integer(unsigned int, dirtied_pause, | |
746 | current->nr_dirtied_pause) | |
747 | ctf_integer(unsigned long, paused, | |
748 | (jiffies - start_time) * 1000 / HZ) | |
749 | ctf_integer(long, pause, pause * 1000 / HZ) | |
750 | ctf_integer(unsigned long, period, | |
751 | period * 1000 / HZ) | |
752 | ctf_integer(long, think, | |
753 | current->dirty_paused_when == 0 ? 0 : | |
754 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
755 | ) | |
756 | ) | |
757 | ||
758 | #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ | |
759 | ||
3bc29f0a | 760 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
9cf29d3e MD |
761 | |
762 | writeback_balance_dirty_pages, | |
b87700e3 AG |
763 | |
764 | TP_PROTO(struct backing_dev_info *bdi, | |
765 | unsigned long thresh, | |
766 | unsigned long bg_thresh, | |
767 | unsigned long dirty, | |
768 | unsigned long bdi_thresh, | |
769 | unsigned long bdi_dirty, | |
770 | unsigned long dirty_ratelimit, | |
771 | unsigned long task_ratelimit, | |
772 | unsigned long dirtied, | |
773 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
774 | unsigned long period, | |
775 | #endif | |
776 | long pause, | |
777 | unsigned long start_time), | |
778 | ||
779 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
780 | dirty_ratelimit, task_ratelimit, | |
781 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
782 | dirtied, period, pause, start_time), | |
783 | #else | |
784 | dirtied, pause, start_time), | |
785 | #endif | |
786 | TP_STRUCT__entry( | |
787 | __array( char, bdi, 32) | |
788 | __field(unsigned long, limit) | |
789 | __field(unsigned long, setpoint) | |
790 | __field(unsigned long, dirty) | |
791 | __field(unsigned long, bdi_setpoint) | |
792 | __field(unsigned long, bdi_dirty) | |
793 | __field(unsigned long, dirty_ratelimit) | |
794 | __field(unsigned long, task_ratelimit) | |
795 | __field(unsigned int, dirtied) | |
796 | __field(unsigned int, dirtied_pause) | |
797 | __field(unsigned long, paused) | |
798 | __field( long, pause) | |
799 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
800 | __field(unsigned long, period) | |
801 | __field( long, think) | |
802 | #endif | |
803 | ), | |
804 | ||
805 | TP_fast_assign( | |
806 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
807 | tp_assign(limit, global_dirty_limit) | |
808 | tp_assign(setpoint, | |
809 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
810 | tp_assign(dirty, dirty) | |
811 | tp_assign(bdi_setpoint, | |
812 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
813 | bdi_thresh / (thresh + 1)) | |
814 | tp_assign(bdi_dirty, bdi_dirty) | |
815 | tp_assign(dirty_ratelimit, KBps(dirty_ratelimit)) | |
816 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
817 | tp_assign(dirtied, dirtied) | |
818 | tp_assign(dirtied_pause, current->nr_dirtied_pause) | |
819 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
820 | tp_assign(think, current->dirty_paused_when == 0 ? 0 : | |
821 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
822 | tp_assign(period, period * 1000 / HZ) | |
823 | #endif | |
824 | tp_assign(pause, pause * 1000 / HZ) | |
825 | tp_assign(paused, (jiffies - start_time) * 1000 / HZ) | |
826 | ), | |
827 | ||
828 | ||
829 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
830 | TP_printk("bdi %s: " | |
831 | "limit=%lu setpoint=%lu dirty=%lu " | |
832 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
833 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
834 | "dirtied=%u dirtied_pause=%u " | |
835 | "paused=%lu pause=%ld period=%lu think=%ld", | |
836 | __entry->bdi, | |
837 | __entry->limit, | |
838 | __entry->setpoint, | |
839 | __entry->dirty, | |
840 | __entry->bdi_setpoint, | |
841 | __entry->bdi_dirty, | |
842 | __entry->dirty_ratelimit, | |
843 | __entry->task_ratelimit, | |
844 | __entry->dirtied, | |
845 | __entry->dirtied_pause, | |
846 | __entry->paused, /* ms */ | |
847 | __entry->pause, /* ms */ | |
848 | __entry->period, /* ms */ | |
849 | __entry->think /* ms */ | |
850 | ) | |
851 | #else | |
852 | TP_printk("bdi %s: " | |
853 | "limit=%lu setpoint=%lu dirty=%lu " | |
854 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
855 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
856 | "dirtied=%u dirtied_pause=%u " | |
857 | "paused=%lu pause=%ld", | |
858 | __entry->bdi, | |
859 | __entry->limit, | |
860 | __entry->setpoint, | |
861 | __entry->dirty, | |
862 | __entry->bdi_setpoint, | |
863 | __entry->bdi_dirty, | |
864 | __entry->dirty_ratelimit, | |
865 | __entry->task_ratelimit, | |
866 | __entry->dirtied, | |
867 | __entry->dirtied_pause, | |
868 | __entry->paused, /* ms */ | |
869 | __entry->pause /* ms */ | |
870 | ) | |
871 | #endif | |
872 | ) | |
ee33121c MD |
873 | #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ |
874 | ||
875 | #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */ | |
b87700e3 AG |
876 | |
877 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 878 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
879 | |
880 | TP_PROTO(struct inode *inode), | |
881 | TP_ARGS(inode), | |
882 | ||
883 | TP_STRUCT__entry( | |
b4cf87e5 | 884 | __array_text(char, name, 32) |
b87700e3 AG |
885 | __field(unsigned long, ino) |
886 | __field(unsigned long, state) | |
887 | __field(unsigned long, dirtied_when) | |
888 | ), | |
889 | ||
890 | TP_fast_assign( | |
891 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
892 | tp_assign(ino, inode->i_ino) | |
893 | tp_assign(state, inode->i_state) | |
894 | tp_assign(dirtied_when, inode->dirtied_when) | |
895 | ), | |
896 | ||
897 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
898 | __entry->name, | |
899 | __entry->ino, | |
900 | show_inode_state(__entry->state), | |
901 | __entry->dirtied_when, | |
902 | (jiffies - __entry->dirtied_when) / HZ | |
903 | ) | |
904 | ) | |
905 | #endif | |
906 | ||
907 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
3bc29f0a | 908 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
909 | |
910 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
911 | ||
912 | TP_ARGS(usec_timeout, usec_delayed), | |
913 | ||
914 | TP_STRUCT__entry( | |
915 | __field( unsigned int, usec_timeout ) | |
916 | __field( unsigned int, usec_delayed ) | |
917 | ), | |
918 | ||
919 | TP_fast_assign( | |
920 | tp_assign(usec_timeout, usec_timeout) | |
921 | tp_assign(usec_delayed, usec_delayed) | |
922 | ), | |
923 | ||
924 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
925 | __entry->usec_timeout, | |
926 | __entry->usec_delayed) | |
927 | ) | |
928 | ||
3bc29f0a | 929 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
930 | |
931 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
932 | ||
933 | TP_ARGS(usec_timeout, usec_delayed) | |
934 | ) | |
935 | ||
3bc29f0a | 936 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
937 | |
938 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
939 | ||
940 | TP_ARGS(usec_timeout, usec_delayed) | |
941 | ) | |
942 | #endif | |
943 | ||
944 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 945 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
946 | |
947 | TP_PROTO(struct inode *inode, | |
948 | struct writeback_control *wbc, | |
949 | unsigned long nr_to_write | |
950 | ), | |
951 | ||
952 | TP_ARGS(inode, wbc, nr_to_write), | |
953 | ||
954 | TP_STRUCT__entry( | |
b4cf87e5 | 955 | __array_text(char, name, 32) |
b87700e3 AG |
956 | __field(unsigned long, ino) |
957 | __field(unsigned long, state) | |
958 | __field(unsigned long, dirtied_when) | |
959 | __field(unsigned long, writeback_index) | |
960 | __field(long, nr_to_write) | |
961 | __field(unsigned long, wrote) | |
962 | ), | |
963 | ||
964 | TP_fast_assign( | |
965 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
966 | tp_assign(ino, inode->i_ino) | |
967 | tp_assign(state, inode->i_state) | |
968 | tp_assign(dirtied_when, inode->dirtied_when) | |
969 | tp_assign(writeback_index, inode->i_mapping->writeback_index) | |
970 | tp_assign(nr_to_write, nr_to_write) | |
971 | tp_assign(wrote, nr_to_write - wbc->nr_to_write) | |
972 | ), | |
973 | ||
974 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " | |
975 | "index=%lu to_write=%ld wrote=%lu", | |
976 | __entry->name, | |
977 | __entry->ino, | |
978 | show_inode_state(__entry->state), | |
979 | __entry->dirtied_when, | |
980 | (jiffies - __entry->dirtied_when) / HZ, | |
981 | __entry->writeback_index, | |
982 | __entry->nr_to_write, | |
983 | __entry->wrote | |
984 | ) | |
985 | ) | |
986 | ||
987 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 988 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue, |
b87700e3 AG |
989 | TP_PROTO(struct inode *inode, |
990 | struct writeback_control *wbc, | |
991 | unsigned long nr_to_write), | |
992 | TP_ARGS(inode, wbc, nr_to_write) | |
993 | ) | |
994 | #endif | |
995 | ||
3bc29f0a | 996 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
997 | TP_PROTO(struct inode *inode, |
998 | struct writeback_control *wbc, | |
999 | unsigned long nr_to_write), | |
1000 | TP_ARGS(inode, wbc, nr_to_write) | |
1001 | ) | |
1002 | #endif | |
1003 | ||
3bc29f0a | 1004 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
1005 | |
1006 | /* This part must be outside protection */ | |
1007 | #include "../../../probes/define_trace.h" |