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_ | |
b87700e3 AG |
15 | static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) |
16 | { | |
17 | struct super_block *sb = inode->i_sb; | |
18 | ||
19 | if (strcmp(sb->s_type->name, "bdev") == 0) | |
20 | return inode->i_mapping->backing_dev_info; | |
21 | ||
22 | return sb->s_bdi; | |
23 | } | |
24 | #endif | |
25 | ||
26 | #define show_inode_state(state) \ | |
27 | __print_flags(state, "|", \ | |
28 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
29 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
30 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
31 | {I_NEW, "I_NEW"}, \ | |
32 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
33 | {I_FREEING, "I_FREEING"}, \ | |
34 | {I_CLEAR, "I_CLEAR"}, \ | |
35 | {I_SYNC, "I_SYNC"}, \ | |
36 | {I_REFERENCED, "I_REFERENCED"} \ | |
37 | ) | |
38 | ||
39 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
40 | #define WB_WORK_REASON \ | |
41 | {WB_REASON_BACKGROUND, "background"}, \ | |
42 | {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \ | |
43 | {WB_REASON_SYNC, "sync"}, \ | |
44 | {WB_REASON_PERIODIC, "periodic"}, \ | |
45 | {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \ | |
46 | {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \ | |
47 | {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \ | |
48 | {WB_REASON_FORKER_THREAD, "forker_thread"} | |
49 | #endif | |
50 | ||
aa634cd1 JD |
51 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
52 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, | |
53 | TP_PROTO(struct page *page, struct address_space *mapping), | |
54 | TP_ARGS(page, mapping), | |
55 | TP_STRUCT__entry ( | |
56 | __array_text(char, name, 32) | |
57 | __field(unsigned long, ino) | |
58 | __field(pgoff_t, index) | |
59 | ), | |
60 | TP_fast_assign( | |
61 | tp_memcpy(name, | |
62 | mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32) | |
63 | tp_assign(ino, mapping ? mapping->host->i_ino : 0) | |
64 | tp_assign(index, page->index) | |
65 | ), | |
66 | TP_printk("bdi %s: ino=%lu index=%lu", | |
67 | __entry->name, | |
68 | __entry->ino, | |
69 | __entry->index | |
70 | ) | |
71 | ) | |
72 | ||
73 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
74 | TP_PROTO(struct inode *inode, int flags), | |
75 | TP_ARGS(inode, flags), | |
76 | TP_STRUCT__entry ( | |
77 | __array_text(char, name, 32) | |
78 | __field(unsigned long, ino) | |
79 | __field(unsigned long, flags) | |
80 | ), | |
81 | TP_fast_assign( | |
82 | /* may be called for files on pseudo FSes w/ unregistered bdi */ | |
83 | tp_memcpy(name, | |
84 | inode->i_mapping->backing_dev_info->dev ? | |
85 | dev_name(inode->i_mapping->backing_dev_info->dev) : "(unknown)", 32) | |
86 | tp_assign(ino, inode->i_ino) | |
87 | tp_assign(flags, flags) | |
88 | ), | |
89 | TP_printk("bdi %s: ino=%lu flags=%s", | |
90 | __entry->name, | |
91 | __entry->ino, | |
92 | show_inode_state(__entry->flags) | |
93 | ) | |
94 | ) | |
95 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
96 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
97 | TP_PROTO(struct inode *inode, int flags), \ | |
98 | TP_ARGS(inode, flags)) | |
99 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
100 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
101 | ||
102 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
103 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
104 | TP_ARGS(inode, wbc), | |
105 | TP_STRUCT__entry ( | |
106 | __array_text(char, name, 32) | |
107 | __field(unsigned long, ino) | |
108 | __field(int, sync_mode) | |
109 | ), | |
110 | TP_fast_assign( | |
111 | tp_memcpy(name, | |
112 | dev_name(inode->i_mapping->backing_dev_info->dev), 32) | |
113 | tp_assign(ino, inode->i_ino) | |
114 | tp_assign(sync_mode, wbc->sync_mode) | |
115 | ), | |
116 | TP_printk("bdi %s: ino=%lu sync_mode=%d", | |
117 | __entry->name, | |
118 | __entry->ino, | |
119 | __entry->sync_mode | |
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 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ | |
130 | ||
3bc29f0a | 131 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, |
b87700e3 AG |
132 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), |
133 | TP_ARGS(bdi, work), | |
134 | TP_STRUCT__entry( | |
b4cf87e5 | 135 | __array_text(char, name, 32) |
b87700e3 AG |
136 | ), |
137 | TP_fast_assign( | |
138 | tp_memcpy(name, dev_name(bdi->dev ? bdi->dev : | |
139 | default_backing_dev_info.dev), 32) | |
b87700e3 | 140 | ), |
88dc2c97 MD |
141 | TP_printk("bdi %s", |
142 | __entry->name | |
b87700e3 | 143 | ) |
b87700e3 | 144 | ) |
3bc29f0a MD |
145 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
146 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
b87700e3 AG |
147 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ |
148 | TP_ARGS(bdi, work)) | |
3bc29f0a MD |
149 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
150 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
151 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
b87700e3 | 152 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) |
3bc29f0a MD |
153 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
154 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
155 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 AG |
156 | #endif |
157 | ||
3bc29f0a | 158 | LTTNG_TRACEPOINT_EVENT(writeback_pages_written, |
b87700e3 AG |
159 | TP_PROTO(long pages_written), |
160 | TP_ARGS(pages_written), | |
161 | TP_STRUCT__entry( | |
162 | __field(long, pages) | |
163 | ), | |
164 | TP_fast_assign( | |
165 | tp_assign(pages, pages_written) | |
166 | ), | |
167 | TP_printk("%ld", __entry->pages) | |
168 | ) | |
169 | ||
3bc29f0a | 170 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, |
b87700e3 AG |
171 | TP_PROTO(struct backing_dev_info *bdi), |
172 | TP_ARGS(bdi), | |
173 | TP_STRUCT__entry( | |
b4cf87e5 | 174 | __array_text(char, name, 32) |
b87700e3 AG |
175 | ), |
176 | TP_fast_assign( | |
177 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
178 | ), | |
179 | TP_printk("bdi %s", | |
180 | __entry->name | |
181 | ) | |
182 | ) | |
59fecd6c | 183 | #undef DEFINE_WRITEBACK_EVENT |
b87700e3 | 184 | #define DEFINE_WRITEBACK_EVENT(name) \ |
3bc29f0a | 185 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ |
b87700e3 AG |
186 | TP_PROTO(struct backing_dev_info *bdi), \ |
187 | TP_ARGS(bdi)) | |
188 | ||
9cf29d3e | 189 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ |
3bc29f0a | 190 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ |
9cf29d3e MD |
191 | TP_PROTO(struct backing_dev_info *bdi), \ |
192 | TP_ARGS(bdi)) | |
193 | ||
b87700e3 AG |
194 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
195 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) | |
196 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) | |
197 | #endif | |
198 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) | |
199 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
200 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register) | |
201 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) | |
202 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
203 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
204 | #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) | |
9cf29d3e MD |
205 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) |
206 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) | |
207 | ||
3bc29f0a | 208 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, |
b87700e3 | 209 | |
9cf29d3e | 210 | writeback_balance_dirty_written, |
b87700e3 AG |
211 | |
212 | TP_PROTO(struct backing_dev_info *bdi, int written), | |
213 | ||
214 | TP_ARGS(bdi, written), | |
215 | ||
216 | TP_STRUCT__entry( | |
217 | __array(char, name, 32) | |
218 | __field(int, written) | |
219 | ), | |
220 | ||
221 | TP_fast_assign( | |
222 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
223 | tp_assign(written, written) | |
224 | ), | |
225 | ||
226 | TP_printk("bdi %s written %d", | |
227 | __entry->name, | |
228 | __entry->written | |
229 | ) | |
230 | ) | |
231 | #endif | |
232 | ||
3bc29f0a | 233 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, |
b87700e3 AG |
234 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), |
235 | TP_ARGS(wbc, bdi), | |
236 | TP_STRUCT__entry( | |
b4cf87e5 | 237 | __array_text(char, name, 32) |
b87700e3 AG |
238 | __field(long, nr_to_write) |
239 | __field(long, pages_skipped) | |
240 | __field(int, sync_mode) | |
241 | __field(int, for_kupdate) | |
242 | __field(int, for_background) | |
243 | __field(int, for_reclaim) | |
244 | __field(int, range_cyclic) | |
245 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
246 | __field(int, more_io) | |
247 | __field(unsigned long, older_than_this) | |
248 | #endif | |
249 | __field(long, range_start) | |
250 | __field(long, range_end) | |
251 | ), | |
252 | ||
253 | TP_fast_assign( | |
254 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
255 | tp_assign(nr_to_write, wbc->nr_to_write) | |
256 | tp_assign(pages_skipped, wbc->pages_skipped) | |
257 | tp_assign(sync_mode, wbc->sync_mode) | |
258 | tp_assign(for_kupdate, wbc->for_kupdate) | |
259 | tp_assign(for_background, wbc->for_background) | |
260 | tp_assign(for_reclaim, wbc->for_reclaim) | |
261 | tp_assign(range_cyclic, wbc->range_cyclic) | |
262 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
263 | tp_assign(more_io, wbc->more_io) | |
264 | tp_assign(older_than_this, wbc->older_than_this ? | |
265 | *wbc->older_than_this : 0) | |
266 | #endif | |
267 | tp_assign(range_start, (long)wbc->range_start) | |
268 | tp_assign(range_end, (long)wbc->range_end) | |
269 | ), | |
270 | ||
271 | TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " | |
272 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
273 | "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx " | |
274 | #else | |
275 | "bgrd=%d reclm=%d cyclic=%d " | |
276 | #endif | |
277 | "start=0x%lx end=0x%lx", | |
278 | __entry->name, | |
279 | __entry->nr_to_write, | |
280 | __entry->pages_skipped, | |
281 | __entry->sync_mode, | |
282 | __entry->for_kupdate, | |
283 | __entry->for_background, | |
284 | __entry->for_reclaim, | |
285 | __entry->range_cyclic, | |
286 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
287 | __entry->more_io, | |
288 | __entry->older_than_this, | |
289 | #endif | |
290 | __entry->range_start, | |
291 | __entry->range_end) | |
292 | ) | |
293 | ||
9cf29d3e | 294 | #undef DEFINE_WBC_EVENT |
3bc29f0a MD |
295 | #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ |
296 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ | |
b87700e3 AG |
297 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ |
298 | TP_ARGS(wbc, bdi)) | |
299 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
3bc29f0a MD |
300 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start) |
301 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written) | |
302 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait) | |
303 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) | |
304 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) | |
305 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) | |
b87700e3 | 306 | #endif |
3bc29f0a | 307 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 AG |
308 | |
309 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 310 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 AG |
311 | TP_PROTO(struct bdi_writeback *wb, |
312 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
313 | struct wb_writeback_work *work, | |
314 | #else | |
315 | unsigned long *older_than_this, | |
316 | #endif | |
317 | int moved), | |
318 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
319 | TP_ARGS(wb, work, moved), | |
320 | #else | |
321 | TP_ARGS(wb, older_than_this, moved), | |
322 | #endif | |
323 | TP_STRUCT__entry( | |
324 | __array(char, name, 32) | |
88dc2c97 MD |
325 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
326 | #else | |
b87700e3 AG |
327 | __field(unsigned long, older) |
328 | __field(long, age) | |
b87700e3 | 329 | #endif |
88dc2c97 | 330 | __field(int, moved) |
b87700e3 AG |
331 | ), |
332 | TP_fast_assign( | |
333 | tp_memcpy(name, dev_name(wb->bdi->dev), 32) | |
334 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
b87700e3 AG |
335 | #else |
336 | tp_assign(older, older_than_this ? *older_than_this : 0) | |
337 | tp_assign(age, older_than_this ? | |
338 | (jiffies - *older_than_this) * 1000 / HZ : -1) | |
339 | #endif | |
340 | tp_assign(moved, moved) | |
b87700e3 AG |
341 | ), |
342 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
88dc2c97 | 343 | TP_printk("bdi %s: enqueue=%d", |
b87700e3 | 344 | __entry->name, |
b87700e3 | 345 | __entry->moved, |
b87700e3 AG |
346 | ) |
347 | #else | |
348 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d", | |
349 | __entry->name, | |
350 | __entry->older, /* older_than_this in jiffies */ | |
351 | __entry->age, /* older_than_this in relative milliseconds */ | |
352 | __entry->moved | |
353 | ) | |
354 | #endif | |
355 | ) | |
356 | ||
3bc29f0a | 357 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
358 | |
359 | writeback_global_dirty_state, | |
b87700e3 AG |
360 | |
361 | TP_PROTO(unsigned long background_thresh, | |
362 | unsigned long dirty_thresh | |
363 | ), | |
364 | ||
365 | TP_ARGS(background_thresh, | |
366 | dirty_thresh | |
367 | ), | |
368 | ||
369 | TP_STRUCT__entry( | |
370 | __field(unsigned long, nr_dirty) | |
371 | __field(unsigned long, nr_writeback) | |
372 | __field(unsigned long, nr_unstable) | |
373 | __field(unsigned long, background_thresh) | |
374 | __field(unsigned long, dirty_thresh) | |
375 | __field(unsigned long, dirty_limit) | |
376 | __field(unsigned long, nr_dirtied) | |
377 | __field(unsigned long, nr_written) | |
378 | ), | |
379 | ||
380 | TP_fast_assign( | |
381 | tp_assign(nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
382 | tp_assign(nr_writeback, global_page_state(NR_WRITEBACK)) | |
383 | tp_assign(nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
384 | tp_assign(nr_dirtied, global_page_state(NR_DIRTIED)) | |
385 | tp_assign(nr_written, global_page_state(NR_WRITTEN)) | |
386 | tp_assign(background_thresh, background_thresh) | |
387 | tp_assign(dirty_thresh, dirty_thresh) | |
388 | tp_assign(dirty_limit, global_dirty_limit) | |
389 | ), | |
390 | ||
391 | TP_printk("dirty=%lu writeback=%lu unstable=%lu " | |
392 | "bg_thresh=%lu thresh=%lu limit=%lu " | |
393 | "dirtied=%lu written=%lu", | |
394 | __entry->nr_dirty, | |
395 | __entry->nr_writeback, | |
396 | __entry->nr_unstable, | |
397 | __entry->background_thresh, | |
398 | __entry->dirty_thresh, | |
399 | __entry->dirty_limit, | |
400 | __entry->nr_dirtied, | |
401 | __entry->nr_written | |
402 | ) | |
403 | ) | |
404 | #endif | |
405 | ||
406 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
407 | ||
408 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
409 | ||
3bc29f0a | 410 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
9cf29d3e MD |
411 | |
412 | writeback_bdi_dirty_ratelimit, | |
b87700e3 AG |
413 | |
414 | TP_PROTO(struct backing_dev_info *bdi, | |
415 | unsigned long dirty_rate, | |
416 | unsigned long task_ratelimit), | |
417 | ||
418 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
419 | ||
420 | TP_STRUCT__entry( | |
421 | __array(char, bdi, 32) | |
422 | __field(unsigned long, write_bw) | |
423 | __field(unsigned long, avg_write_bw) | |
424 | __field(unsigned long, dirty_rate) | |
425 | __field(unsigned long, dirty_ratelimit) | |
426 | __field(unsigned long, task_ratelimit) | |
427 | __field(unsigned long, balanced_dirty_ratelimit) | |
428 | ), | |
429 | ||
430 | TP_fast_assign( | |
431 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
432 | tp_assign(write_bw, KBps(bdi->write_bandwidth)) | |
433 | tp_assign(avg_write_bw, KBps(bdi->avg_write_bandwidth)) | |
434 | tp_assign(dirty_rate, KBps(dirty_rate)) | |
435 | tp_assign(dirty_ratelimit, KBps(bdi->dirty_ratelimit)) | |
436 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
437 | tp_assign(balanced_dirty_ratelimit, | |
438 | KBps(bdi->balanced_dirty_ratelimit)) | |
439 | ), | |
440 | ||
441 | TP_printk("bdi %s: " | |
442 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
443 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
444 | "balanced_dirty_ratelimit=%lu", | |
445 | __entry->bdi, | |
446 | __entry->write_bw, /* write bandwidth */ | |
447 | __entry->avg_write_bw, /* avg write bandwidth */ | |
448 | __entry->dirty_rate, /* bdi dirty rate */ | |
449 | __entry->dirty_ratelimit, /* base ratelimit */ | |
450 | __entry->task_ratelimit, /* ratelimit with position control */ | |
451 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
452 | ) | |
453 | ) | |
454 | ||
3bc29f0a | 455 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
9cf29d3e MD |
456 | |
457 | writeback_balance_dirty_pages, | |
b87700e3 AG |
458 | |
459 | TP_PROTO(struct backing_dev_info *bdi, | |
460 | unsigned long thresh, | |
461 | unsigned long bg_thresh, | |
462 | unsigned long dirty, | |
463 | unsigned long bdi_thresh, | |
464 | unsigned long bdi_dirty, | |
465 | unsigned long dirty_ratelimit, | |
466 | unsigned long task_ratelimit, | |
467 | unsigned long dirtied, | |
468 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
469 | unsigned long period, | |
470 | #endif | |
471 | long pause, | |
472 | unsigned long start_time), | |
473 | ||
474 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
475 | dirty_ratelimit, task_ratelimit, | |
476 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
477 | dirtied, period, pause, start_time), | |
478 | #else | |
479 | dirtied, pause, start_time), | |
480 | #endif | |
481 | TP_STRUCT__entry( | |
482 | __array( char, bdi, 32) | |
483 | __field(unsigned long, limit) | |
484 | __field(unsigned long, setpoint) | |
485 | __field(unsigned long, dirty) | |
486 | __field(unsigned long, bdi_setpoint) | |
487 | __field(unsigned long, bdi_dirty) | |
488 | __field(unsigned long, dirty_ratelimit) | |
489 | __field(unsigned long, task_ratelimit) | |
490 | __field(unsigned int, dirtied) | |
491 | __field(unsigned int, dirtied_pause) | |
492 | __field(unsigned long, paused) | |
493 | __field( long, pause) | |
494 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
495 | __field(unsigned long, period) | |
496 | __field( long, think) | |
497 | #endif | |
498 | ), | |
499 | ||
500 | TP_fast_assign( | |
501 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
502 | tp_assign(limit, global_dirty_limit) | |
503 | tp_assign(setpoint, | |
504 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
505 | tp_assign(dirty, dirty) | |
506 | tp_assign(bdi_setpoint, | |
507 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
508 | bdi_thresh / (thresh + 1)) | |
509 | tp_assign(bdi_dirty, bdi_dirty) | |
510 | tp_assign(dirty_ratelimit, KBps(dirty_ratelimit)) | |
511 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
512 | tp_assign(dirtied, dirtied) | |
513 | tp_assign(dirtied_pause, current->nr_dirtied_pause) | |
514 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
515 | tp_assign(think, current->dirty_paused_when == 0 ? 0 : | |
516 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
517 | tp_assign(period, period * 1000 / HZ) | |
518 | #endif | |
519 | tp_assign(pause, pause * 1000 / HZ) | |
520 | tp_assign(paused, (jiffies - start_time) * 1000 / HZ) | |
521 | ), | |
522 | ||
523 | ||
524 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
525 | TP_printk("bdi %s: " | |
526 | "limit=%lu setpoint=%lu dirty=%lu " | |
527 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
528 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
529 | "dirtied=%u dirtied_pause=%u " | |
530 | "paused=%lu pause=%ld period=%lu think=%ld", | |
531 | __entry->bdi, | |
532 | __entry->limit, | |
533 | __entry->setpoint, | |
534 | __entry->dirty, | |
535 | __entry->bdi_setpoint, | |
536 | __entry->bdi_dirty, | |
537 | __entry->dirty_ratelimit, | |
538 | __entry->task_ratelimit, | |
539 | __entry->dirtied, | |
540 | __entry->dirtied_pause, | |
541 | __entry->paused, /* ms */ | |
542 | __entry->pause, /* ms */ | |
543 | __entry->period, /* ms */ | |
544 | __entry->think /* ms */ | |
545 | ) | |
546 | #else | |
547 | TP_printk("bdi %s: " | |
548 | "limit=%lu setpoint=%lu dirty=%lu " | |
549 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
550 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
551 | "dirtied=%u dirtied_pause=%u " | |
552 | "paused=%lu pause=%ld", | |
553 | __entry->bdi, | |
554 | __entry->limit, | |
555 | __entry->setpoint, | |
556 | __entry->dirty, | |
557 | __entry->bdi_setpoint, | |
558 | __entry->bdi_dirty, | |
559 | __entry->dirty_ratelimit, | |
560 | __entry->task_ratelimit, | |
561 | __entry->dirtied, | |
562 | __entry->dirtied_pause, | |
563 | __entry->paused, /* ms */ | |
564 | __entry->pause /* ms */ | |
565 | ) | |
566 | #endif | |
567 | ) | |
568 | #endif | |
569 | ||
570 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 571 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
572 | |
573 | TP_PROTO(struct inode *inode), | |
574 | TP_ARGS(inode), | |
575 | ||
576 | TP_STRUCT__entry( | |
b4cf87e5 | 577 | __array_text(char, name, 32) |
b87700e3 AG |
578 | __field(unsigned long, ino) |
579 | __field(unsigned long, state) | |
580 | __field(unsigned long, dirtied_when) | |
581 | ), | |
582 | ||
583 | TP_fast_assign( | |
584 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
585 | tp_assign(ino, inode->i_ino) | |
586 | tp_assign(state, inode->i_state) | |
587 | tp_assign(dirtied_when, inode->dirtied_when) | |
588 | ), | |
589 | ||
590 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
591 | __entry->name, | |
592 | __entry->ino, | |
593 | show_inode_state(__entry->state), | |
594 | __entry->dirtied_when, | |
595 | (jiffies - __entry->dirtied_when) / HZ | |
596 | ) | |
597 | ) | |
598 | #endif | |
599 | ||
600 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
3bc29f0a | 601 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
602 | |
603 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
604 | ||
605 | TP_ARGS(usec_timeout, usec_delayed), | |
606 | ||
607 | TP_STRUCT__entry( | |
608 | __field( unsigned int, usec_timeout ) | |
609 | __field( unsigned int, usec_delayed ) | |
610 | ), | |
611 | ||
612 | TP_fast_assign( | |
613 | tp_assign(usec_timeout, usec_timeout) | |
614 | tp_assign(usec_delayed, usec_delayed) | |
615 | ), | |
616 | ||
617 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
618 | __entry->usec_timeout, | |
619 | __entry->usec_delayed) | |
620 | ) | |
621 | ||
3bc29f0a | 622 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
623 | |
624 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
625 | ||
626 | TP_ARGS(usec_timeout, usec_delayed) | |
627 | ) | |
628 | ||
3bc29f0a | 629 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
630 | |
631 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
632 | ||
633 | TP_ARGS(usec_timeout, usec_delayed) | |
634 | ) | |
635 | #endif | |
636 | ||
637 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 638 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
639 | |
640 | TP_PROTO(struct inode *inode, | |
641 | struct writeback_control *wbc, | |
642 | unsigned long nr_to_write | |
643 | ), | |
644 | ||
645 | TP_ARGS(inode, wbc, nr_to_write), | |
646 | ||
647 | TP_STRUCT__entry( | |
b4cf87e5 | 648 | __array_text(char, name, 32) |
b87700e3 AG |
649 | __field(unsigned long, ino) |
650 | __field(unsigned long, state) | |
651 | __field(unsigned long, dirtied_when) | |
652 | __field(unsigned long, writeback_index) | |
653 | __field(long, nr_to_write) | |
654 | __field(unsigned long, wrote) | |
655 | ), | |
656 | ||
657 | TP_fast_assign( | |
658 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
659 | tp_assign(ino, inode->i_ino) | |
660 | tp_assign(state, inode->i_state) | |
661 | tp_assign(dirtied_when, inode->dirtied_when) | |
662 | tp_assign(writeback_index, inode->i_mapping->writeback_index) | |
663 | tp_assign(nr_to_write, nr_to_write) | |
664 | tp_assign(wrote, nr_to_write - wbc->nr_to_write) | |
665 | ), | |
666 | ||
667 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " | |
668 | "index=%lu to_write=%ld wrote=%lu", | |
669 | __entry->name, | |
670 | __entry->ino, | |
671 | show_inode_state(__entry->state), | |
672 | __entry->dirtied_when, | |
673 | (jiffies - __entry->dirtied_when) / HZ, | |
674 | __entry->writeback_index, | |
675 | __entry->nr_to_write, | |
676 | __entry->wrote | |
677 | ) | |
678 | ) | |
679 | ||
680 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 681 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue, |
b87700e3 AG |
682 | TP_PROTO(struct inode *inode, |
683 | struct writeback_control *wbc, | |
684 | unsigned long nr_to_write), | |
685 | TP_ARGS(inode, wbc, nr_to_write) | |
686 | ) | |
687 | #endif | |
688 | ||
3bc29f0a | 689 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
690 | TP_PROTO(struct inode *inode, |
691 | struct writeback_control *wbc, | |
692 | unsigned long nr_to_write), | |
693 | TP_ARGS(inode, wbc, nr_to_write) | |
694 | ) | |
695 | #endif | |
696 | ||
3bc29f0a | 697 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
698 | |
699 | /* This part must be outside protection */ | |
700 | #include "../../../probes/define_trace.h" |