Commit | Line | Data |
---|---|---|
61baff6e MJ |
1 | // SPDX-FileCopyrightText: 2012 Andrew Gabbasov <andrew_gabbasov@mentor.com> |
2 | // | |
3 | // SPDX-License-Identifier: GPL-2.0-only | |
4 | ||
b87700e3 AG |
5 | #undef TRACE_SYSTEM |
6 | #define TRACE_SYSTEM writeback | |
7 | ||
3bc29f0a MD |
8 | #if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) |
9 | #define LTTNG_TRACE_WRITEBACK_H | |
b87700e3 | 10 | |
3b4aafcb | 11 | #include <lttng/tracepoint-event.h> |
aa634cd1 | 12 | #include <linux/tracepoint.h> |
b87700e3 AG |
13 | #include <linux/backing-dev.h> |
14 | #include <linux/writeback.h> | |
5f4c791e | 15 | #include <lttng/kernel-version.h> |
b87700e3 AG |
16 | |
17 | #ifndef _TRACE_WRITEBACK_DEF_ | |
18 | #define _TRACE_WRITEBACK_DEF_ | |
99a570c8 | 19 | |
dbabd729 MD |
20 | /* |
21 | * Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use | |
22 | * static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name | |
23 | * symbol which is not exported to GPL modules. | |
24 | */ | |
25 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0)) | |
b1fdcb19 MD |
26 | static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi) |
27 | { | |
28 | return bdi_dev_name(bdi); | |
29 | } | |
30 | #else | |
31 | static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi) | |
32 | { | |
33 | if (!bdi || !bdi->dev) | |
34 | return "(unknown)"; | |
35 | return dev_name(bdi->dev); | |
36 | } | |
37 | #endif | |
b87700e3 AG |
38 | #endif |
39 | ||
f26997df FD |
40 | /* |
41 | * Keep this macro around to track changes in the valid values for `state`. | |
42 | * Eventually, we will have a enum to describe that field. If the macro is | |
43 | * changed by an upstream kernel, the fact that we have a redefinition here | |
44 | * will generate a compiler warning. | |
45 | */ | |
4140ad5d | 46 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \ |
758c244b MJ |
47 | LTTNG_KERNEL_RANGE(4,14,218, 4,15,0) || \ |
48 | LTTNG_KERNEL_RANGE(4,19,172, 4,20,0) || \ | |
49 | LTTNG_KERNEL_RANGE(5,4,94, 5,5,0) || \ | |
05355f0b MJ |
50 | LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,141, 4,16,0,0) || \ |
51 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0)) | |
084a3c41 MJ |
52 | #define show_inode_state(state) \ |
53 | __print_flags(state, "|", \ | |
54 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
55 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
56 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
57 | {I_NEW, "I_NEW"}, \ | |
58 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
59 | {I_FREEING, "I_FREEING"}, \ | |
60 | {I_CLEAR, "I_CLEAR"}, \ | |
61 | {I_SYNC, "I_SYNC"}, \ | |
62 | {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ | |
63 | {I_REFERENCED, "I_REFERENCED"} \ | |
64 | ) | |
d8c1ffac | 65 | #else |
99a570c8 MD |
66 | #define show_inode_state(state) \ |
67 | __print_flags(state, "|", \ | |
68 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
69 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
70 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
71 | {I_NEW, "I_NEW"}, \ | |
72 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
73 | {I_FREEING, "I_FREEING"}, \ | |
74 | {I_CLEAR, "I_CLEAR"}, \ | |
75 | {I_SYNC, "I_SYNC"}, \ | |
76 | {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ | |
77 | {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \ | |
78 | {I_REFERENCED, "I_REFERENCED"} \ | |
79 | ) | |
d8c1ffac | 80 | #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0)) */ |
99a570c8 MD |
81 | |
82 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, | |
83 | TP_PROTO(struct page *page, struct address_space *mapping), | |
84 | TP_ARGS(page, mapping), | |
f127e61e | 85 | TP_FIELDS( |
d8c1ffac | 86 | ctf_string(name, lttng_bdi_dev_name(mapping ? inode_to_bdi(mapping->host) : NULL)) |
f127e61e MD |
87 | ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0) |
88 | ctf_integer(pgoff_t, index, page->index) | |
99a570c8 MD |
89 | ) |
90 | ) | |
91 | ||
92 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
93 | TP_PROTO(struct inode *inode, int flags), | |
94 | TP_ARGS(inode, flags), | |
f127e61e | 95 | TP_FIELDS( |
99a570c8 | 96 | /* may be called for files on pseudo FSes w/ unregistered bdi */ |
d8c1ffac | 97 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
98 | ctf_integer(unsigned long, ino, inode->i_ino) |
99 | ctf_integer(unsigned long, state, inode->i_state) | |
100 | ctf_integer(unsigned long, flags, flags) | |
99a570c8 MD |
101 | ) |
102 | ) | |
103 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
104 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
105 | TP_PROTO(struct inode *inode, int flags), \ | |
106 | TP_ARGS(inode, flags)) | |
107 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
108 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
109 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty) | |
110 | ||
111 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
112 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
113 | TP_ARGS(inode, wbc), | |
f127e61e | 114 | TP_FIELDS( |
d8c1ffac | 115 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
116 | ctf_integer(unsigned long, ino, inode->i_ino) |
117 | ctf_integer(int, sync_mode, wbc->sync_mode) | |
aa634cd1 JD |
118 | ) |
119 | ) | |
120 | ||
121 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
122 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
123 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
124 | TP_ARGS(inode, wbc)) | |
125 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
126 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
99a570c8 | 127 | |
a40cb509 MD |
128 | |
129 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, | |
130 | TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), | |
131 | TP_ARGS(wb, work), | |
132 | TP_FIELDS( | |
b1fdcb19 | 133 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
134 | ) |
135 | ) | |
136 | ||
a40cb509 MD |
137 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
138 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
139 | TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \ | |
140 | TP_ARGS(wb, work)) | |
141 | ||
3bc29f0a MD |
142 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
143 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
144 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
3bc29f0a MD |
145 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
146 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
147 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 | 148 | |
3bc29f0a | 149 | LTTNG_TRACEPOINT_EVENT(writeback_pages_written, |
b87700e3 AG |
150 | TP_PROTO(long pages_written), |
151 | TP_ARGS(pages_written), | |
f127e61e MD |
152 | TP_FIELDS( |
153 | ctf_integer(long, pages, pages_written) | |
154 | ) | |
b87700e3 AG |
155 | ) |
156 | ||
a40cb509 MD |
157 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, |
158 | TP_PROTO(struct bdi_writeback *wb), | |
159 | TP_ARGS(wb), | |
160 | TP_FIELDS( | |
b1fdcb19 | 161 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
162 | ) |
163 | ) | |
164 | ||
165 | #undef DEFINE_WRITEBACK_EVENT | |
166 | #define DEFINE_WRITEBACK_EVENT(name) \ | |
167 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ | |
168 | TP_PROTO(struct bdi_writeback *wb), \ | |
169 | TP_ARGS(wb)) | |
170 | ||
171 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ | |
172 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ | |
173 | TP_PROTO(struct bdi_writeback *wb), \ | |
174 | TP_ARGS(wb)) | |
175 | ||
176 | LTTNG_TRACEPOINT_EVENT(writeback_bdi_register, | |
177 | TP_PROTO(struct backing_dev_info *bdi), | |
178 | TP_ARGS(bdi), | |
179 | TP_FIELDS( | |
b1fdcb19 | 180 | ctf_string(name, lttng_bdi_dev_name(bdi)) |
a40cb509 MD |
181 | ) |
182 | ) | |
183 | ||
b87700e3 | 184 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
b87700e3 | 185 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) |
b87700e3 AG |
186 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) |
187 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
b87700e3 AG |
188 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) |
189 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
190 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
b87700e3 | 191 | |
3bc29f0a | 192 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, |
b87700e3 AG |
193 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), |
194 | TP_ARGS(wbc, bdi), | |
f127e61e | 195 | TP_FIELDS( |
b1fdcb19 | 196 | ctf_string(name, lttng_bdi_dev_name(bdi)) |
f127e61e MD |
197 | ctf_integer(long, nr_to_write, wbc->nr_to_write) |
198 | ctf_integer(long, pages_skipped, wbc->pages_skipped) | |
199 | ctf_integer(int, sync_mode, wbc->sync_mode) | |
200 | ctf_integer(int, for_kupdate, wbc->for_kupdate) | |
201 | ctf_integer(int, for_background, wbc->for_background) | |
202 | ctf_integer(int, for_reclaim, wbc->for_reclaim) | |
203 | ctf_integer(int, range_cyclic, wbc->range_cyclic) | |
f127e61e MD |
204 | ctf_integer(long, range_start, (long) wbc->range_start) |
205 | ctf_integer(long, range_end, (long) wbc->range_end) | |
206 | ) | |
b87700e3 AG |
207 | ) |
208 | ||
9cf29d3e | 209 | #undef DEFINE_WBC_EVENT |
3bc29f0a MD |
210 | #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ |
211 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ | |
b87700e3 AG |
212 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ |
213 | TP_ARGS(wbc, bdi)) | |
3bc29f0a | 214 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 | 215 | |
5f4c791e | 216 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \ |
b6af46d1 MJ |
217 | LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \ |
218 | LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \ | |
219 | LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \ | |
220 | LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \ | |
221 | LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \ | |
da139c48 | 222 | LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \ |
05355f0b MJ |
223 | LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0) || \ |
224 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0)) | |
817e02f9 MJ |
225 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
226 | TP_PROTO(struct bdi_writeback *wb, | |
227 | struct wb_writeback_work *work, | |
228 | unsigned long dirtied_before, | |
229 | int moved), | |
230 | TP_ARGS(wb, work, dirtied_before, moved), | |
231 | TP_FIELDS( | |
b1fdcb19 | 232 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
817e02f9 MJ |
233 | ctf_integer(unsigned long, older, dirtied_before) |
234 | ctf_integer(int, moved, moved) | |
235 | ) | |
236 | ) | |
d8c1ffac | 237 | #else |
3bc29f0a | 238 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 | 239 | TP_PROTO(struct bdi_writeback *wb, |
b87700e3 | 240 | struct wb_writeback_work *work, |
b87700e3 | 241 | int moved), |
b87700e3 | 242 | TP_ARGS(wb, work, moved), |
817e02f9 | 243 | TP_FIELDS( |
b1fdcb19 | 244 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
817e02f9 MJ |
245 | ctf_integer(int, moved, moved) |
246 | ) | |
247 | ) | |
817e02f9 | 248 | #endif |
b87700e3 | 249 | |
fce87a6e MJ |
250 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) || \ |
251 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0)) | |
0b1facd4 MJ |
252 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
253 | ||
254 | writeback_global_dirty_state, | |
255 | ||
256 | TP_PROTO(unsigned long background_thresh, | |
257 | unsigned long dirty_thresh | |
258 | ), | |
259 | ||
260 | TP_ARGS(background_thresh, | |
261 | dirty_thresh | |
262 | ), | |
263 | ||
264 | TP_FIELDS( | |
265 | ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY)) | |
266 | ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK)) | |
267 | ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED)) | |
268 | ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN)) | |
269 | ctf_integer(unsigned long, background_thresh, background_thresh) | |
270 | ctf_integer(unsigned long, dirty_thresh, dirty_thresh) | |
271 | ctf_integer(unsigned long, dirty_limit, global_dirty_limit) | |
272 | ) | |
273 | ) | |
5f4c791e | 274 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
7ceeb15d MJ |
275 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
276 | ||
277 | writeback_global_dirty_state, | |
278 | ||
279 | TP_PROTO(unsigned long background_thresh, | |
280 | unsigned long dirty_thresh | |
281 | ), | |
282 | ||
283 | TP_ARGS(background_thresh, | |
284 | dirty_thresh | |
285 | ), | |
286 | ||
287 | TP_FIELDS( | |
288 | ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY)) | |
289 | ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK)) | |
290 | ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS)) | |
291 | ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED)) | |
292 | ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN)) | |
293 | ctf_integer(unsigned long, background_thresh, background_thresh) | |
294 | ctf_integer(unsigned long, dirty_thresh, dirty_thresh) | |
295 | ctf_integer(unsigned long, dirty_limit, global_dirty_limit) | |
296 | ) | |
297 | ) | |
d8c1ffac | 298 | #else |
3bc29f0a | 299 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
300 | |
301 | writeback_global_dirty_state, | |
b87700e3 AG |
302 | |
303 | TP_PROTO(unsigned long background_thresh, | |
304 | unsigned long dirty_thresh | |
305 | ), | |
306 | ||
307 | TP_ARGS(background_thresh, | |
308 | dirty_thresh | |
309 | ), | |
310 | ||
f127e61e MD |
311 | TP_FIELDS( |
312 | ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
313 | ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK)) | |
314 | ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
315 | ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED)) | |
316 | ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN)) | |
317 | ctf_integer(unsigned long, background_thresh, background_thresh) | |
318 | ctf_integer(unsigned long, dirty_thresh, dirty_thresh) | |
319 | ctf_integer(unsigned long, dirty_limit, global_dirty_limit) | |
b87700e3 AG |
320 | ) |
321 | ) | |
322 | #endif | |
323 | ||
b87700e3 AG |
324 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) |
325 | ||
a40cb509 MD |
326 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
327 | ||
328 | writeback_bdi_dirty_ratelimit, | |
329 | ||
330 | TP_PROTO(struct bdi_writeback *wb, | |
331 | unsigned long dirty_rate, | |
332 | unsigned long task_ratelimit), | |
333 | ||
334 | TP_ARGS(wb, dirty_rate, task_ratelimit), | |
335 | ||
336 | TP_FIELDS( | |
b1fdcb19 | 337 | ctf_string(bdi, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
338 | ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth)) |
339 | ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth)) | |
340 | ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) | |
341 | ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit)) | |
342 | ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) | |
343 | ctf_integer(unsigned long, balanced_dirty_ratelimit, | |
344 | KBps(wb->bdi->wb.balanced_dirty_ratelimit)) | |
345 | ) | |
346 | ) | |
347 | ||
a40cb509 MD |
348 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
349 | ||
350 | writeback_balance_dirty_pages, | |
351 | ||
352 | TP_PROTO(struct bdi_writeback *wb, | |
353 | unsigned long thresh, | |
354 | unsigned long bg_thresh, | |
355 | unsigned long dirty, | |
356 | unsigned long bdi_thresh, | |
357 | unsigned long bdi_dirty, | |
358 | unsigned long dirty_ratelimit, | |
359 | unsigned long task_ratelimit, | |
360 | unsigned long dirtied, | |
361 | unsigned long period, | |
362 | long pause, | |
363 | unsigned long start_time), | |
364 | ||
365 | TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
366 | dirty_ratelimit, task_ratelimit, | |
367 | dirtied, period, pause, start_time | |
368 | ), | |
369 | ||
370 | TP_FIELDS( | |
b1fdcb19 | 371 | ctf_string(bdi, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
372 | ctf_integer(unsigned long, limit, global_dirty_limit) |
373 | ctf_integer(unsigned long, setpoint, | |
374 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
375 | ctf_integer(unsigned long, dirty, dirty) | |
376 | ctf_integer(unsigned long, bdi_setpoint, | |
377 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
378 | bdi_thresh / (thresh + 1)) | |
379 | ctf_integer(unsigned long, bdi_dirty, bdi_dirty) | |
380 | ctf_integer(unsigned long, dirty_ratelimit, | |
381 | KBps(dirty_ratelimit)) | |
382 | ctf_integer(unsigned long, task_ratelimit, | |
383 | KBps(task_ratelimit)) | |
384 | ctf_integer(unsigned int, dirtied, dirtied) | |
385 | ctf_integer(unsigned int, dirtied_pause, | |
386 | current->nr_dirtied_pause) | |
387 | ctf_integer(unsigned long, paused, | |
388 | (jiffies - start_time) * 1000 / HZ) | |
389 | ctf_integer(long, pause, pause * 1000 / HZ) | |
390 | ctf_integer(unsigned long, period, | |
391 | period * 1000 / HZ) | |
392 | ctf_integer(long, think, | |
393 | current->dirty_paused_when == 0 ? 0 : | |
394 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
395 | ) | |
396 | ) | |
397 | ||
3bc29f0a | 398 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
399 | |
400 | TP_PROTO(struct inode *inode), | |
401 | TP_ARGS(inode), | |
402 | ||
f127e61e | 403 | TP_FIELDS( |
d8c1ffac | 404 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
405 | ctf_integer(unsigned long, ino, inode->i_ino) |
406 | ctf_integer(unsigned long, state, inode->i_state) | |
407 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
b87700e3 AG |
408 | ) |
409 | ) | |
b87700e3 | 410 | |
3bc29f0a | 411 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
412 | |
413 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
414 | ||
415 | TP_ARGS(usec_timeout, usec_delayed), | |
416 | ||
f127e61e MD |
417 | TP_FIELDS( |
418 | ctf_integer(unsigned int, usec_timeout, usec_timeout) | |
419 | ctf_integer(unsigned int, usec_delayed, usec_delayed) | |
420 | ) | |
b87700e3 AG |
421 | ) |
422 | ||
3bc29f0a | 423 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
424 | |
425 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
426 | ||
427 | TP_ARGS(usec_timeout, usec_delayed) | |
428 | ) | |
429 | ||
3bc29f0a | 430 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
431 | |
432 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
433 | ||
434 | TP_ARGS(usec_timeout, usec_delayed) | |
435 | ) | |
b87700e3 | 436 | |
3bc29f0a | 437 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
438 | |
439 | TP_PROTO(struct inode *inode, | |
440 | struct writeback_control *wbc, | |
441 | unsigned long nr_to_write | |
442 | ), | |
443 | ||
444 | TP_ARGS(inode, wbc, nr_to_write), | |
445 | ||
f127e61e | 446 | TP_FIELDS( |
d8c1ffac | 447 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
448 | ctf_integer(unsigned long, ino, inode->i_ino) |
449 | ctf_integer(unsigned long, state, inode->i_state) | |
450 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
451 | ctf_integer(unsigned long, writeback_index, | |
452 | inode->i_mapping->writeback_index) | |
453 | ctf_integer(long, nr_to_write, nr_to_write) | |
454 | ctf_integer(unsigned long, wrote, | |
455 | nr_to_write - wbc->nr_to_write) | |
b87700e3 AG |
456 | ) |
457 | ) | |
458 | ||
3bc29f0a | 459 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
460 | TP_PROTO(struct inode *inode, |
461 | struct writeback_control *wbc, | |
462 | unsigned long nr_to_write), | |
463 | TP_ARGS(inode, wbc, nr_to_write) | |
464 | ) | |
b87700e3 | 465 | |
3bc29f0a | 466 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
467 | |
468 | /* This part must be outside protection */ | |
3b4aafcb | 469 | #include <lttng/define_trace.h> |