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_ | |
99a570c8 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 | } | |
99a570c8 MD |
26 | #endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) */ |
27 | ||
b87700e3 AG |
28 | #endif |
29 | ||
99a570c8 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 | ) | |
99a570c8 | 58 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ |
b87700e3 AG |
59 | |
60 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
61 | #define WB_WORK_REASON \ | |
62 | {WB_REASON_BACKGROUND, "background"}, \ | |
63 | {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \ | |
64 | {WB_REASON_SYNC, "sync"}, \ | |
65 | {WB_REASON_PERIODIC, "periodic"}, \ | |
66 | {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \ | |
67 | {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \ | |
68 | {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \ | |
69 | {WB_REASON_FORKER_THREAD, "forker_thread"} | |
70 | #endif | |
71 | ||
99a570c8 MD |
72 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) |
73 | ||
74 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, | |
75 | TP_PROTO(struct page *page, struct address_space *mapping), | |
76 | TP_ARGS(page, mapping), | |
77 | TP_STRUCT__entry ( | |
78 | __array_text(char, name, 32) | |
79 | __field(unsigned long, ino) | |
80 | __field(pgoff_t, index) | |
81 | ), | |
82 | TP_fast_assign( | |
83 | tp_memcpy(name, | |
84 | mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32) | |
85 | tp_assign(ino, mapping ? mapping->host->i_ino : 0) | |
86 | tp_assign(index, page->index) | |
87 | ), | |
88 | TP_printk("bdi %s: ino=%lu index=%lu", | |
89 | __entry->name, | |
90 | __entry->ino, | |
91 | __entry->index | |
92 | ) | |
93 | ) | |
94 | ||
95 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
96 | TP_PROTO(struct inode *inode, int flags), | |
97 | TP_ARGS(inode, flags), | |
98 | TP_STRUCT__entry ( | |
99 | __array_text(char, name, 32) | |
100 | __field(unsigned long, ino) | |
101 | __field(unsigned long, state) | |
102 | __field(unsigned long, flags) | |
103 | ), | |
104 | TP_fast_assign( | |
105 | /* may be called for files on pseudo FSes w/ unregistered bdi */ | |
106 | tp_memcpy(name, | |
107 | inode_to_bdi(inode)->dev ? | |
108 | dev_name(inode_to_bdi(inode)->dev) : "(unknown)", 32) | |
109 | tp_assign(ino, inode->i_ino) | |
110 | tp_assign(state, inode->i_state) | |
111 | tp_assign(flags, flags) | |
112 | ), | |
113 | TP_printk("bdi %s: ino=%lu flags=%s", | |
114 | __entry->name, | |
115 | __entry->ino, | |
116 | show_inode_state(__entry->flags) | |
117 | ) | |
118 | ) | |
119 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
120 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
121 | TP_PROTO(struct inode *inode, int flags), \ | |
122 | TP_ARGS(inode, flags)) | |
123 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
124 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
125 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty) | |
126 | ||
127 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
128 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
129 | TP_ARGS(inode, wbc), | |
130 | TP_STRUCT__entry ( | |
131 | __array_text(char, name, 32) | |
132 | __field(unsigned long, ino) | |
133 | __field(int, sync_mode) | |
134 | ), | |
135 | TP_fast_assign( | |
136 | tp_memcpy(name, | |
137 | dev_name(inode_to_bdi(inode)->dev), 32) | |
138 | tp_assign(ino, inode->i_ino) | |
139 | tp_assign(sync_mode, wbc->sync_mode) | |
140 | ), | |
141 | TP_printk("bdi %s: ino=%lu sync_mode=%d", | |
142 | __entry->name, | |
143 | __entry->ino, | |
144 | __entry->sync_mode | |
145 | ) | |
146 | ) | |
147 | ||
148 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
149 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
150 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
151 | TP_ARGS(inode, wbc)) | |
152 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
153 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
154 | ||
155 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) | |
156 | ||
aa634cd1 JD |
157 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, |
158 | TP_PROTO(struct page *page, struct address_space *mapping), | |
159 | TP_ARGS(page, mapping), | |
160 | TP_STRUCT__entry ( | |
161 | __array_text(char, name, 32) | |
162 | __field(unsigned long, ino) | |
163 | __field(pgoff_t, index) | |
164 | ), | |
165 | TP_fast_assign( | |
166 | tp_memcpy(name, | |
167 | mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32) | |
168 | tp_assign(ino, mapping ? mapping->host->i_ino : 0) | |
169 | tp_assign(index, page->index) | |
170 | ), | |
171 | TP_printk("bdi %s: ino=%lu index=%lu", | |
172 | __entry->name, | |
173 | __entry->ino, | |
174 | __entry->index | |
175 | ) | |
176 | ) | |
177 | ||
178 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
179 | TP_PROTO(struct inode *inode, int flags), | |
180 | TP_ARGS(inode, flags), | |
181 | TP_STRUCT__entry ( | |
182 | __array_text(char, name, 32) | |
183 | __field(unsigned long, ino) | |
184 | __field(unsigned long, flags) | |
185 | ), | |
186 | TP_fast_assign( | |
187 | /* may be called for files on pseudo FSes w/ unregistered bdi */ | |
188 | tp_memcpy(name, | |
189 | inode->i_mapping->backing_dev_info->dev ? | |
190 | dev_name(inode->i_mapping->backing_dev_info->dev) : "(unknown)", 32) | |
191 | tp_assign(ino, inode->i_ino) | |
192 | tp_assign(flags, flags) | |
193 | ), | |
194 | TP_printk("bdi %s: ino=%lu flags=%s", | |
195 | __entry->name, | |
196 | __entry->ino, | |
197 | show_inode_state(__entry->flags) | |
198 | ) | |
199 | ) | |
200 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
201 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
202 | TP_PROTO(struct inode *inode, int flags), \ | |
203 | TP_ARGS(inode, flags)) | |
204 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
205 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
206 | ||
207 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
208 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
209 | TP_ARGS(inode, wbc), | |
210 | TP_STRUCT__entry ( | |
211 | __array_text(char, name, 32) | |
212 | __field(unsigned long, ino) | |
213 | __field(int, sync_mode) | |
214 | ), | |
215 | TP_fast_assign( | |
216 | tp_memcpy(name, | |
217 | dev_name(inode->i_mapping->backing_dev_info->dev), 32) | |
218 | tp_assign(ino, inode->i_ino) | |
219 | tp_assign(sync_mode, wbc->sync_mode) | |
220 | ), | |
221 | TP_printk("bdi %s: ino=%lu sync_mode=%d", | |
222 | __entry->name, | |
223 | __entry->ino, | |
224 | __entry->sync_mode | |
225 | ) | |
226 | ) | |
227 | ||
228 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
229 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
230 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
231 | TP_ARGS(inode, wbc)) | |
232 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
233 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
99a570c8 | 234 | |
aa634cd1 JD |
235 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
236 | ||
99a570c8 MD |
237 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) |
238 | ||
239 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, | |
240 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), | |
241 | TP_ARGS(bdi, work), | |
242 | TP_STRUCT__entry( | |
243 | __array_text(char, name, 32) | |
244 | ), | |
245 | TP_fast_assign( | |
246 | tp_memcpy(name, bdi->dev ? dev_name(bdi->dev) : | |
247 | "(unknown)", 32) | |
248 | ), | |
249 | TP_printk("bdi %s", | |
250 | __entry->name | |
251 | ) | |
252 | ) | |
253 | ||
254 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
255 | ||
3bc29f0a | 256 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, |
b87700e3 AG |
257 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), |
258 | TP_ARGS(bdi, work), | |
259 | TP_STRUCT__entry( | |
b4cf87e5 | 260 | __array_text(char, name, 32) |
b87700e3 AG |
261 | ), |
262 | TP_fast_assign( | |
263 | tp_memcpy(name, dev_name(bdi->dev ? bdi->dev : | |
264 | default_backing_dev_info.dev), 32) | |
b87700e3 | 265 | ), |
88dc2c97 MD |
266 | TP_printk("bdi %s", |
267 | __entry->name | |
b87700e3 | 268 | ) |
b87700e3 | 269 | ) |
99a570c8 MD |
270 | |
271 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
272 | ||
3bc29f0a MD |
273 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
274 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
b87700e3 AG |
275 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ |
276 | TP_ARGS(bdi, work)) | |
3bc29f0a MD |
277 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
278 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
279 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
b87700e3 | 280 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) |
3bc29f0a MD |
281 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
282 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
283 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 AG |
284 | #endif |
285 | ||
3bc29f0a | 286 | LTTNG_TRACEPOINT_EVENT(writeback_pages_written, |
b87700e3 AG |
287 | TP_PROTO(long pages_written), |
288 | TP_ARGS(pages_written), | |
289 | TP_STRUCT__entry( | |
290 | __field(long, pages) | |
291 | ), | |
292 | TP_fast_assign( | |
293 | tp_assign(pages, pages_written) | |
294 | ), | |
295 | TP_printk("%ld", __entry->pages) | |
296 | ) | |
297 | ||
3bc29f0a | 298 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, |
b87700e3 AG |
299 | TP_PROTO(struct backing_dev_info *bdi), |
300 | TP_ARGS(bdi), | |
301 | TP_STRUCT__entry( | |
b4cf87e5 | 302 | __array_text(char, name, 32) |
b87700e3 AG |
303 | ), |
304 | TP_fast_assign( | |
305 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
306 | ), | |
307 | TP_printk("bdi %s", | |
308 | __entry->name | |
309 | ) | |
310 | ) | |
59fecd6c | 311 | #undef DEFINE_WRITEBACK_EVENT |
b87700e3 | 312 | #define DEFINE_WRITEBACK_EVENT(name) \ |
3bc29f0a | 313 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ |
b87700e3 AG |
314 | TP_PROTO(struct backing_dev_info *bdi), \ |
315 | TP_ARGS(bdi)) | |
316 | ||
9cf29d3e | 317 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ |
3bc29f0a | 318 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ |
9cf29d3e MD |
319 | TP_PROTO(struct backing_dev_info *bdi), \ |
320 | TP_ARGS(bdi)) | |
321 | ||
b87700e3 AG |
322 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
323 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) | |
324 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) | |
325 | #endif | |
326 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) | |
327 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
328 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register) | |
329 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) | |
330 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
331 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
332 | #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) | |
9cf29d3e MD |
333 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) |
334 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) | |
335 | ||
3bc29f0a | 336 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, |
b87700e3 | 337 | |
9cf29d3e | 338 | writeback_balance_dirty_written, |
b87700e3 AG |
339 | |
340 | TP_PROTO(struct backing_dev_info *bdi, int written), | |
341 | ||
342 | TP_ARGS(bdi, written), | |
343 | ||
344 | TP_STRUCT__entry( | |
345 | __array(char, name, 32) | |
346 | __field(int, written) | |
347 | ), | |
348 | ||
349 | TP_fast_assign( | |
350 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
351 | tp_assign(written, written) | |
352 | ), | |
353 | ||
354 | TP_printk("bdi %s written %d", | |
355 | __entry->name, | |
356 | __entry->written | |
357 | ) | |
358 | ) | |
359 | #endif | |
360 | ||
3bc29f0a | 361 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, |
b87700e3 AG |
362 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), |
363 | TP_ARGS(wbc, bdi), | |
364 | TP_STRUCT__entry( | |
b4cf87e5 | 365 | __array_text(char, name, 32) |
b87700e3 AG |
366 | __field(long, nr_to_write) |
367 | __field(long, pages_skipped) | |
368 | __field(int, sync_mode) | |
369 | __field(int, for_kupdate) | |
370 | __field(int, for_background) | |
371 | __field(int, for_reclaim) | |
372 | __field(int, range_cyclic) | |
373 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
374 | __field(int, more_io) | |
375 | __field(unsigned long, older_than_this) | |
376 | #endif | |
377 | __field(long, range_start) | |
378 | __field(long, range_end) | |
379 | ), | |
380 | ||
381 | TP_fast_assign( | |
382 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
383 | tp_assign(nr_to_write, wbc->nr_to_write) | |
384 | tp_assign(pages_skipped, wbc->pages_skipped) | |
385 | tp_assign(sync_mode, wbc->sync_mode) | |
386 | tp_assign(for_kupdate, wbc->for_kupdate) | |
387 | tp_assign(for_background, wbc->for_background) | |
388 | tp_assign(for_reclaim, wbc->for_reclaim) | |
389 | tp_assign(range_cyclic, wbc->range_cyclic) | |
390 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
391 | tp_assign(more_io, wbc->more_io) | |
392 | tp_assign(older_than_this, wbc->older_than_this ? | |
393 | *wbc->older_than_this : 0) | |
394 | #endif | |
395 | tp_assign(range_start, (long)wbc->range_start) | |
396 | tp_assign(range_end, (long)wbc->range_end) | |
397 | ), | |
398 | ||
399 | TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " | |
400 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
401 | "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx " | |
402 | #else | |
403 | "bgrd=%d reclm=%d cyclic=%d " | |
404 | #endif | |
405 | "start=0x%lx end=0x%lx", | |
406 | __entry->name, | |
407 | __entry->nr_to_write, | |
408 | __entry->pages_skipped, | |
409 | __entry->sync_mode, | |
410 | __entry->for_kupdate, | |
411 | __entry->for_background, | |
412 | __entry->for_reclaim, | |
413 | __entry->range_cyclic, | |
414 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
415 | __entry->more_io, | |
416 | __entry->older_than_this, | |
417 | #endif | |
418 | __entry->range_start, | |
419 | __entry->range_end) | |
420 | ) | |
421 | ||
9cf29d3e | 422 | #undef DEFINE_WBC_EVENT |
3bc29f0a MD |
423 | #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ |
424 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ | |
b87700e3 AG |
425 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ |
426 | TP_ARGS(wbc, bdi)) | |
427 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
3bc29f0a MD |
428 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start) |
429 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written) | |
430 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait) | |
431 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) | |
432 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) | |
433 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) | |
b87700e3 | 434 | #endif |
3bc29f0a | 435 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 AG |
436 | |
437 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 438 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 AG |
439 | TP_PROTO(struct bdi_writeback *wb, |
440 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
441 | struct wb_writeback_work *work, | |
442 | #else | |
443 | unsigned long *older_than_this, | |
444 | #endif | |
445 | int moved), | |
446 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
447 | TP_ARGS(wb, work, moved), | |
448 | #else | |
449 | TP_ARGS(wb, older_than_this, moved), | |
450 | #endif | |
451 | TP_STRUCT__entry( | |
452 | __array(char, name, 32) | |
88dc2c97 MD |
453 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
454 | #else | |
b87700e3 AG |
455 | __field(unsigned long, older) |
456 | __field(long, age) | |
b87700e3 | 457 | #endif |
88dc2c97 | 458 | __field(int, moved) |
b87700e3 AG |
459 | ), |
460 | TP_fast_assign( | |
461 | tp_memcpy(name, dev_name(wb->bdi->dev), 32) | |
462 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
b87700e3 AG |
463 | #else |
464 | tp_assign(older, older_than_this ? *older_than_this : 0) | |
465 | tp_assign(age, older_than_this ? | |
466 | (jiffies - *older_than_this) * 1000 / HZ : -1) | |
467 | #endif | |
468 | tp_assign(moved, moved) | |
b87700e3 AG |
469 | ), |
470 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
88dc2c97 | 471 | TP_printk("bdi %s: enqueue=%d", |
b87700e3 | 472 | __entry->name, |
b87700e3 | 473 | __entry->moved, |
b87700e3 AG |
474 | ) |
475 | #else | |
476 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d", | |
477 | __entry->name, | |
478 | __entry->older, /* older_than_this in jiffies */ | |
479 | __entry->age, /* older_than_this in relative milliseconds */ | |
480 | __entry->moved | |
481 | ) | |
482 | #endif | |
483 | ) | |
484 | ||
3bc29f0a | 485 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
486 | |
487 | writeback_global_dirty_state, | |
b87700e3 AG |
488 | |
489 | TP_PROTO(unsigned long background_thresh, | |
490 | unsigned long dirty_thresh | |
491 | ), | |
492 | ||
493 | TP_ARGS(background_thresh, | |
494 | dirty_thresh | |
495 | ), | |
496 | ||
497 | TP_STRUCT__entry( | |
498 | __field(unsigned long, nr_dirty) | |
499 | __field(unsigned long, nr_writeback) | |
500 | __field(unsigned long, nr_unstable) | |
501 | __field(unsigned long, background_thresh) | |
502 | __field(unsigned long, dirty_thresh) | |
503 | __field(unsigned long, dirty_limit) | |
504 | __field(unsigned long, nr_dirtied) | |
505 | __field(unsigned long, nr_written) | |
506 | ), | |
507 | ||
508 | TP_fast_assign( | |
509 | tp_assign(nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
510 | tp_assign(nr_writeback, global_page_state(NR_WRITEBACK)) | |
511 | tp_assign(nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
512 | tp_assign(nr_dirtied, global_page_state(NR_DIRTIED)) | |
513 | tp_assign(nr_written, global_page_state(NR_WRITTEN)) | |
514 | tp_assign(background_thresh, background_thresh) | |
515 | tp_assign(dirty_thresh, dirty_thresh) | |
516 | tp_assign(dirty_limit, global_dirty_limit) | |
517 | ), | |
518 | ||
519 | TP_printk("dirty=%lu writeback=%lu unstable=%lu " | |
520 | "bg_thresh=%lu thresh=%lu limit=%lu " | |
521 | "dirtied=%lu written=%lu", | |
522 | __entry->nr_dirty, | |
523 | __entry->nr_writeback, | |
524 | __entry->nr_unstable, | |
525 | __entry->background_thresh, | |
526 | __entry->dirty_thresh, | |
527 | __entry->dirty_limit, | |
528 | __entry->nr_dirtied, | |
529 | __entry->nr_written | |
530 | ) | |
531 | ) | |
532 | #endif | |
533 | ||
534 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
535 | ||
536 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
537 | ||
3bc29f0a | 538 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
9cf29d3e MD |
539 | |
540 | writeback_bdi_dirty_ratelimit, | |
b87700e3 AG |
541 | |
542 | TP_PROTO(struct backing_dev_info *bdi, | |
543 | unsigned long dirty_rate, | |
544 | unsigned long task_ratelimit), | |
545 | ||
546 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
547 | ||
548 | TP_STRUCT__entry( | |
549 | __array(char, bdi, 32) | |
550 | __field(unsigned long, write_bw) | |
551 | __field(unsigned long, avg_write_bw) | |
552 | __field(unsigned long, dirty_rate) | |
553 | __field(unsigned long, dirty_ratelimit) | |
554 | __field(unsigned long, task_ratelimit) | |
555 | __field(unsigned long, balanced_dirty_ratelimit) | |
556 | ), | |
557 | ||
558 | TP_fast_assign( | |
559 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
560 | tp_assign(write_bw, KBps(bdi->write_bandwidth)) | |
561 | tp_assign(avg_write_bw, KBps(bdi->avg_write_bandwidth)) | |
562 | tp_assign(dirty_rate, KBps(dirty_rate)) | |
563 | tp_assign(dirty_ratelimit, KBps(bdi->dirty_ratelimit)) | |
564 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
565 | tp_assign(balanced_dirty_ratelimit, | |
566 | KBps(bdi->balanced_dirty_ratelimit)) | |
567 | ), | |
568 | ||
569 | TP_printk("bdi %s: " | |
570 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
571 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
572 | "balanced_dirty_ratelimit=%lu", | |
573 | __entry->bdi, | |
574 | __entry->write_bw, /* write bandwidth */ | |
575 | __entry->avg_write_bw, /* avg write bandwidth */ | |
576 | __entry->dirty_rate, /* bdi dirty rate */ | |
577 | __entry->dirty_ratelimit, /* base ratelimit */ | |
578 | __entry->task_ratelimit, /* ratelimit with position control */ | |
579 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
580 | ) | |
581 | ) | |
582 | ||
3bc29f0a | 583 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
9cf29d3e MD |
584 | |
585 | writeback_balance_dirty_pages, | |
b87700e3 AG |
586 | |
587 | TP_PROTO(struct backing_dev_info *bdi, | |
588 | unsigned long thresh, | |
589 | unsigned long bg_thresh, | |
590 | unsigned long dirty, | |
591 | unsigned long bdi_thresh, | |
592 | unsigned long bdi_dirty, | |
593 | unsigned long dirty_ratelimit, | |
594 | unsigned long task_ratelimit, | |
595 | unsigned long dirtied, | |
596 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
597 | unsigned long period, | |
598 | #endif | |
599 | long pause, | |
600 | unsigned long start_time), | |
601 | ||
602 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
603 | dirty_ratelimit, task_ratelimit, | |
604 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
605 | dirtied, period, pause, start_time), | |
606 | #else | |
607 | dirtied, pause, start_time), | |
608 | #endif | |
609 | TP_STRUCT__entry( | |
610 | __array( char, bdi, 32) | |
611 | __field(unsigned long, limit) | |
612 | __field(unsigned long, setpoint) | |
613 | __field(unsigned long, dirty) | |
614 | __field(unsigned long, bdi_setpoint) | |
615 | __field(unsigned long, bdi_dirty) | |
616 | __field(unsigned long, dirty_ratelimit) | |
617 | __field(unsigned long, task_ratelimit) | |
618 | __field(unsigned int, dirtied) | |
619 | __field(unsigned int, dirtied_pause) | |
620 | __field(unsigned long, paused) | |
621 | __field( long, pause) | |
622 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
623 | __field(unsigned long, period) | |
624 | __field( long, think) | |
625 | #endif | |
626 | ), | |
627 | ||
628 | TP_fast_assign( | |
629 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
630 | tp_assign(limit, global_dirty_limit) | |
631 | tp_assign(setpoint, | |
632 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
633 | tp_assign(dirty, dirty) | |
634 | tp_assign(bdi_setpoint, | |
635 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
636 | bdi_thresh / (thresh + 1)) | |
637 | tp_assign(bdi_dirty, bdi_dirty) | |
638 | tp_assign(dirty_ratelimit, KBps(dirty_ratelimit)) | |
639 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
640 | tp_assign(dirtied, dirtied) | |
641 | tp_assign(dirtied_pause, current->nr_dirtied_pause) | |
642 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
643 | tp_assign(think, current->dirty_paused_when == 0 ? 0 : | |
644 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
645 | tp_assign(period, period * 1000 / HZ) | |
646 | #endif | |
647 | tp_assign(pause, pause * 1000 / HZ) | |
648 | tp_assign(paused, (jiffies - start_time) * 1000 / HZ) | |
649 | ), | |
650 | ||
651 | ||
652 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
653 | TP_printk("bdi %s: " | |
654 | "limit=%lu setpoint=%lu dirty=%lu " | |
655 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
656 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
657 | "dirtied=%u dirtied_pause=%u " | |
658 | "paused=%lu pause=%ld period=%lu think=%ld", | |
659 | __entry->bdi, | |
660 | __entry->limit, | |
661 | __entry->setpoint, | |
662 | __entry->dirty, | |
663 | __entry->bdi_setpoint, | |
664 | __entry->bdi_dirty, | |
665 | __entry->dirty_ratelimit, | |
666 | __entry->task_ratelimit, | |
667 | __entry->dirtied, | |
668 | __entry->dirtied_pause, | |
669 | __entry->paused, /* ms */ | |
670 | __entry->pause, /* ms */ | |
671 | __entry->period, /* ms */ | |
672 | __entry->think /* ms */ | |
673 | ) | |
674 | #else | |
675 | TP_printk("bdi %s: " | |
676 | "limit=%lu setpoint=%lu dirty=%lu " | |
677 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
678 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
679 | "dirtied=%u dirtied_pause=%u " | |
680 | "paused=%lu pause=%ld", | |
681 | __entry->bdi, | |
682 | __entry->limit, | |
683 | __entry->setpoint, | |
684 | __entry->dirty, | |
685 | __entry->bdi_setpoint, | |
686 | __entry->bdi_dirty, | |
687 | __entry->dirty_ratelimit, | |
688 | __entry->task_ratelimit, | |
689 | __entry->dirtied, | |
690 | __entry->dirtied_pause, | |
691 | __entry->paused, /* ms */ | |
692 | __entry->pause /* ms */ | |
693 | ) | |
694 | #endif | |
695 | ) | |
696 | #endif | |
697 | ||
698 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 699 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
700 | |
701 | TP_PROTO(struct inode *inode), | |
702 | TP_ARGS(inode), | |
703 | ||
704 | TP_STRUCT__entry( | |
b4cf87e5 | 705 | __array_text(char, name, 32) |
b87700e3 AG |
706 | __field(unsigned long, ino) |
707 | __field(unsigned long, state) | |
708 | __field(unsigned long, dirtied_when) | |
709 | ), | |
710 | ||
711 | TP_fast_assign( | |
712 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
713 | tp_assign(ino, inode->i_ino) | |
714 | tp_assign(state, inode->i_state) | |
715 | tp_assign(dirtied_when, inode->dirtied_when) | |
716 | ), | |
717 | ||
718 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
719 | __entry->name, | |
720 | __entry->ino, | |
721 | show_inode_state(__entry->state), | |
722 | __entry->dirtied_when, | |
723 | (jiffies - __entry->dirtied_when) / HZ | |
724 | ) | |
725 | ) | |
726 | #endif | |
727 | ||
728 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
3bc29f0a | 729 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
730 | |
731 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
732 | ||
733 | TP_ARGS(usec_timeout, usec_delayed), | |
734 | ||
735 | TP_STRUCT__entry( | |
736 | __field( unsigned int, usec_timeout ) | |
737 | __field( unsigned int, usec_delayed ) | |
738 | ), | |
739 | ||
740 | TP_fast_assign( | |
741 | tp_assign(usec_timeout, usec_timeout) | |
742 | tp_assign(usec_delayed, usec_delayed) | |
743 | ), | |
744 | ||
745 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
746 | __entry->usec_timeout, | |
747 | __entry->usec_delayed) | |
748 | ) | |
749 | ||
3bc29f0a | 750 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
751 | |
752 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
753 | ||
754 | TP_ARGS(usec_timeout, usec_delayed) | |
755 | ) | |
756 | ||
3bc29f0a | 757 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
758 | |
759 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
760 | ||
761 | TP_ARGS(usec_timeout, usec_delayed) | |
762 | ) | |
763 | #endif | |
764 | ||
765 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 766 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
767 | |
768 | TP_PROTO(struct inode *inode, | |
769 | struct writeback_control *wbc, | |
770 | unsigned long nr_to_write | |
771 | ), | |
772 | ||
773 | TP_ARGS(inode, wbc, nr_to_write), | |
774 | ||
775 | TP_STRUCT__entry( | |
b4cf87e5 | 776 | __array_text(char, name, 32) |
b87700e3 AG |
777 | __field(unsigned long, ino) |
778 | __field(unsigned long, state) | |
779 | __field(unsigned long, dirtied_when) | |
780 | __field(unsigned long, writeback_index) | |
781 | __field(long, nr_to_write) | |
782 | __field(unsigned long, wrote) | |
783 | ), | |
784 | ||
785 | TP_fast_assign( | |
786 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
787 | tp_assign(ino, inode->i_ino) | |
788 | tp_assign(state, inode->i_state) | |
789 | tp_assign(dirtied_when, inode->dirtied_when) | |
790 | tp_assign(writeback_index, inode->i_mapping->writeback_index) | |
791 | tp_assign(nr_to_write, nr_to_write) | |
792 | tp_assign(wrote, nr_to_write - wbc->nr_to_write) | |
793 | ), | |
794 | ||
795 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " | |
796 | "index=%lu to_write=%ld wrote=%lu", | |
797 | __entry->name, | |
798 | __entry->ino, | |
799 | show_inode_state(__entry->state), | |
800 | __entry->dirtied_when, | |
801 | (jiffies - __entry->dirtied_when) / HZ, | |
802 | __entry->writeback_index, | |
803 | __entry->nr_to_write, | |
804 | __entry->wrote | |
805 | ) | |
806 | ) | |
807 | ||
808 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 809 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue, |
b87700e3 AG |
810 | TP_PROTO(struct inode *inode, |
811 | struct writeback_control *wbc, | |
812 | unsigned long nr_to_write), | |
813 | TP_ARGS(inode, wbc, nr_to_write) | |
814 | ) | |
815 | #endif | |
816 | ||
3bc29f0a | 817 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
818 | TP_PROTO(struct inode *inode, |
819 | struct writeback_control *wbc, | |
820 | unsigned long nr_to_write), | |
821 | TP_ARGS(inode, wbc, nr_to_write) | |
822 | ) | |
823 | #endif | |
824 | ||
3bc29f0a | 825 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
826 | |
827 | /* This part must be outside protection */ | |
828 | #include "../../../probes/define_trace.h" |