Commit | Line | Data |
---|---|---|
b7cdc182 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
b87700e3 AG |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM writeback | |
4 | ||
3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define LTTNG_TRACE_WRITEBACK_H | |
b87700e3 | 7 | |
3b4aafcb | 8 | #include <lttng/tracepoint-event.h> |
aa634cd1 | 9 | #include <linux/tracepoint.h> |
b87700e3 AG |
10 | #include <linux/backing-dev.h> |
11 | #include <linux/writeback.h> | |
5f4c791e | 12 | #include <lttng/kernel-version.h> |
b87700e3 AG |
13 | |
14 | #ifndef _TRACE_WRITEBACK_DEF_ | |
15 | #define _TRACE_WRITEBACK_DEF_ | |
99a570c8 | 16 | |
dbabd729 MD |
17 | /* |
18 | * Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use | |
19 | * static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name | |
20 | * symbol which is not exported to GPL modules. | |
21 | */ | |
22 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0)) | |
b1fdcb19 MD |
23 | static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi) |
24 | { | |
25 | return bdi_dev_name(bdi); | |
26 | } | |
27 | #else | |
28 | static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi) | |
29 | { | |
30 | if (!bdi || !bdi->dev) | |
31 | return "(unknown)"; | |
32 | return dev_name(bdi->dev); | |
33 | } | |
34 | #endif | |
b87700e3 AG |
35 | #endif |
36 | ||
f26997df FD |
37 | /* |
38 | * Keep this macro around to track changes in the valid values for `state`. | |
39 | * Eventually, we will have a enum to describe that field. If the macro is | |
40 | * changed by an upstream kernel, the fact that we have a redefinition here | |
41 | * will generate a compiler warning. | |
42 | */ | |
4140ad5d | 43 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \ |
758c244b MJ |
44 | LTTNG_KERNEL_RANGE(4,14,218, 4,15,0) || \ |
45 | LTTNG_KERNEL_RANGE(4,19,172, 4,20,0) || \ | |
46 | LTTNG_KERNEL_RANGE(5,4,94, 5,5,0) || \ | |
05355f0b MJ |
47 | LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,141, 4,16,0,0) || \ |
48 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0)) | |
084a3c41 MJ |
49 | #define show_inode_state(state) \ |
50 | __print_flags(state, "|", \ | |
51 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
52 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
53 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
54 | {I_NEW, "I_NEW"}, \ | |
55 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
56 | {I_FREEING, "I_FREEING"}, \ | |
57 | {I_CLEAR, "I_CLEAR"}, \ | |
58 | {I_SYNC, "I_SYNC"}, \ | |
59 | {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ | |
60 | {I_REFERENCED, "I_REFERENCED"} \ | |
61 | ) | |
d8c1ffac | 62 | #else |
99a570c8 MD |
63 | #define show_inode_state(state) \ |
64 | __print_flags(state, "|", \ | |
65 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
66 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
67 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
68 | {I_NEW, "I_NEW"}, \ | |
69 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
70 | {I_FREEING, "I_FREEING"}, \ | |
71 | {I_CLEAR, "I_CLEAR"}, \ | |
72 | {I_SYNC, "I_SYNC"}, \ | |
73 | {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ | |
74 | {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \ | |
75 | {I_REFERENCED, "I_REFERENCED"} \ | |
76 | ) | |
d8c1ffac | 77 | #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0)) */ |
99a570c8 MD |
78 | |
79 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, | |
80 | TP_PROTO(struct page *page, struct address_space *mapping), | |
81 | TP_ARGS(page, mapping), | |
f127e61e | 82 | TP_FIELDS( |
d8c1ffac | 83 | ctf_string(name, lttng_bdi_dev_name(mapping ? inode_to_bdi(mapping->host) : NULL)) |
f127e61e MD |
84 | ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0) |
85 | ctf_integer(pgoff_t, index, page->index) | |
99a570c8 MD |
86 | ) |
87 | ) | |
88 | ||
89 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
90 | TP_PROTO(struct inode *inode, int flags), | |
91 | TP_ARGS(inode, flags), | |
f127e61e | 92 | TP_FIELDS( |
99a570c8 | 93 | /* may be called for files on pseudo FSes w/ unregistered bdi */ |
d8c1ffac | 94 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
95 | ctf_integer(unsigned long, ino, inode->i_ino) |
96 | ctf_integer(unsigned long, state, inode->i_state) | |
97 | ctf_integer(unsigned long, flags, flags) | |
99a570c8 MD |
98 | ) |
99 | ) | |
100 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
101 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
102 | TP_PROTO(struct inode *inode, int flags), \ | |
103 | TP_ARGS(inode, flags)) | |
104 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
105 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
106 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty) | |
107 | ||
108 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
109 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
110 | TP_ARGS(inode, wbc), | |
f127e61e | 111 | TP_FIELDS( |
d8c1ffac | 112 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
113 | ctf_integer(unsigned long, ino, inode->i_ino) |
114 | ctf_integer(int, sync_mode, wbc->sync_mode) | |
aa634cd1 JD |
115 | ) |
116 | ) | |
117 | ||
118 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
119 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
120 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
121 | TP_ARGS(inode, wbc)) | |
122 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
123 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
99a570c8 | 124 | |
a40cb509 MD |
125 | |
126 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, | |
127 | TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), | |
128 | TP_ARGS(wb, work), | |
129 | TP_FIELDS( | |
b1fdcb19 | 130 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
131 | ) |
132 | ) | |
133 | ||
a40cb509 MD |
134 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
135 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
136 | TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \ | |
137 | TP_ARGS(wb, work)) | |
138 | ||
3bc29f0a MD |
139 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
140 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
141 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
3bc29f0a MD |
142 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
143 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
144 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 | 145 | |
3bc29f0a | 146 | LTTNG_TRACEPOINT_EVENT(writeback_pages_written, |
b87700e3 AG |
147 | TP_PROTO(long pages_written), |
148 | TP_ARGS(pages_written), | |
f127e61e MD |
149 | TP_FIELDS( |
150 | ctf_integer(long, pages, pages_written) | |
151 | ) | |
b87700e3 AG |
152 | ) |
153 | ||
a40cb509 MD |
154 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, |
155 | TP_PROTO(struct bdi_writeback *wb), | |
156 | TP_ARGS(wb), | |
157 | TP_FIELDS( | |
b1fdcb19 | 158 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
159 | ) |
160 | ) | |
161 | ||
162 | #undef DEFINE_WRITEBACK_EVENT | |
163 | #define DEFINE_WRITEBACK_EVENT(name) \ | |
164 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ | |
165 | TP_PROTO(struct bdi_writeback *wb), \ | |
166 | TP_ARGS(wb)) | |
167 | ||
168 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ | |
169 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ | |
170 | TP_PROTO(struct bdi_writeback *wb), \ | |
171 | TP_ARGS(wb)) | |
172 | ||
173 | LTTNG_TRACEPOINT_EVENT(writeback_bdi_register, | |
174 | TP_PROTO(struct backing_dev_info *bdi), | |
175 | TP_ARGS(bdi), | |
176 | TP_FIELDS( | |
b1fdcb19 | 177 | ctf_string(name, lttng_bdi_dev_name(bdi)) |
a40cb509 MD |
178 | ) |
179 | ) | |
180 | ||
b87700e3 | 181 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
b87700e3 | 182 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) |
b87700e3 AG |
183 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) |
184 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
b87700e3 AG |
185 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) |
186 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
187 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
b87700e3 | 188 | |
3bc29f0a | 189 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, |
b87700e3 AG |
190 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), |
191 | TP_ARGS(wbc, bdi), | |
f127e61e | 192 | TP_FIELDS( |
b1fdcb19 | 193 | ctf_string(name, lttng_bdi_dev_name(bdi)) |
f127e61e MD |
194 | ctf_integer(long, nr_to_write, wbc->nr_to_write) |
195 | ctf_integer(long, pages_skipped, wbc->pages_skipped) | |
196 | ctf_integer(int, sync_mode, wbc->sync_mode) | |
197 | ctf_integer(int, for_kupdate, wbc->for_kupdate) | |
198 | ctf_integer(int, for_background, wbc->for_background) | |
199 | ctf_integer(int, for_reclaim, wbc->for_reclaim) | |
200 | ctf_integer(int, range_cyclic, wbc->range_cyclic) | |
f127e61e MD |
201 | ctf_integer(long, range_start, (long) wbc->range_start) |
202 | ctf_integer(long, range_end, (long) wbc->range_end) | |
203 | ) | |
b87700e3 AG |
204 | ) |
205 | ||
9cf29d3e | 206 | #undef DEFINE_WBC_EVENT |
3bc29f0a MD |
207 | #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ |
208 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ | |
b87700e3 AG |
209 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ |
210 | TP_ARGS(wbc, bdi)) | |
3bc29f0a | 211 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 | 212 | |
5f4c791e | 213 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \ |
b6af46d1 MJ |
214 | LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \ |
215 | LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \ | |
216 | LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \ | |
217 | LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \ | |
218 | LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \ | |
da139c48 | 219 | LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \ |
05355f0b MJ |
220 | LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0) || \ |
221 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0)) | |
817e02f9 MJ |
222 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
223 | TP_PROTO(struct bdi_writeback *wb, | |
224 | struct wb_writeback_work *work, | |
225 | unsigned long dirtied_before, | |
226 | int moved), | |
227 | TP_ARGS(wb, work, dirtied_before, moved), | |
228 | TP_FIELDS( | |
b1fdcb19 | 229 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
817e02f9 MJ |
230 | ctf_integer(unsigned long, older, dirtied_before) |
231 | ctf_integer(int, moved, moved) | |
232 | ) | |
233 | ) | |
d8c1ffac | 234 | #else |
3bc29f0a | 235 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 | 236 | TP_PROTO(struct bdi_writeback *wb, |
b87700e3 | 237 | struct wb_writeback_work *work, |
b87700e3 | 238 | int moved), |
b87700e3 | 239 | TP_ARGS(wb, work, moved), |
817e02f9 | 240 | TP_FIELDS( |
b1fdcb19 | 241 | ctf_string(name, lttng_bdi_dev_name(wb->bdi)) |
817e02f9 MJ |
242 | ctf_integer(int, moved, moved) |
243 | ) | |
244 | ) | |
817e02f9 | 245 | #endif |
b87700e3 | 246 | |
fce87a6e MJ |
247 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) || \ |
248 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0)) | |
0b1facd4 MJ |
249 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
250 | ||
251 | writeback_global_dirty_state, | |
252 | ||
253 | TP_PROTO(unsigned long background_thresh, | |
254 | unsigned long dirty_thresh | |
255 | ), | |
256 | ||
257 | TP_ARGS(background_thresh, | |
258 | dirty_thresh | |
259 | ), | |
260 | ||
261 | TP_FIELDS( | |
262 | ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY)) | |
263 | ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK)) | |
264 | ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED)) | |
265 | ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN)) | |
266 | ctf_integer(unsigned long, background_thresh, background_thresh) | |
267 | ctf_integer(unsigned long, dirty_thresh, dirty_thresh) | |
268 | ctf_integer(unsigned long, dirty_limit, global_dirty_limit) | |
269 | ) | |
270 | ) | |
5f4c791e | 271 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) |
7ceeb15d MJ |
272 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
273 | ||
274 | writeback_global_dirty_state, | |
275 | ||
276 | TP_PROTO(unsigned long background_thresh, | |
277 | unsigned long dirty_thresh | |
278 | ), | |
279 | ||
280 | TP_ARGS(background_thresh, | |
281 | dirty_thresh | |
282 | ), | |
283 | ||
284 | TP_FIELDS( | |
285 | ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY)) | |
286 | ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK)) | |
287 | ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS)) | |
288 | ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED)) | |
289 | ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN)) | |
290 | ctf_integer(unsigned long, background_thresh, background_thresh) | |
291 | ctf_integer(unsigned long, dirty_thresh, dirty_thresh) | |
292 | ctf_integer(unsigned long, dirty_limit, global_dirty_limit) | |
293 | ) | |
294 | ) | |
d8c1ffac | 295 | #else |
3bc29f0a | 296 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
297 | |
298 | writeback_global_dirty_state, | |
b87700e3 AG |
299 | |
300 | TP_PROTO(unsigned long background_thresh, | |
301 | unsigned long dirty_thresh | |
302 | ), | |
303 | ||
304 | TP_ARGS(background_thresh, | |
305 | dirty_thresh | |
306 | ), | |
307 | ||
f127e61e MD |
308 | TP_FIELDS( |
309 | ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
310 | ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK)) | |
311 | ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
312 | ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED)) | |
313 | ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN)) | |
314 | ctf_integer(unsigned long, background_thresh, background_thresh) | |
315 | ctf_integer(unsigned long, dirty_thresh, dirty_thresh) | |
316 | ctf_integer(unsigned long, dirty_limit, global_dirty_limit) | |
b87700e3 AG |
317 | ) |
318 | ) | |
319 | #endif | |
320 | ||
b87700e3 AG |
321 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) |
322 | ||
a40cb509 MD |
323 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
324 | ||
325 | writeback_bdi_dirty_ratelimit, | |
326 | ||
327 | TP_PROTO(struct bdi_writeback *wb, | |
328 | unsigned long dirty_rate, | |
329 | unsigned long task_ratelimit), | |
330 | ||
331 | TP_ARGS(wb, dirty_rate, task_ratelimit), | |
332 | ||
333 | TP_FIELDS( | |
b1fdcb19 | 334 | ctf_string(bdi, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
335 | ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth)) |
336 | ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth)) | |
337 | ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) | |
338 | ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit)) | |
339 | ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) | |
340 | ctf_integer(unsigned long, balanced_dirty_ratelimit, | |
341 | KBps(wb->bdi->wb.balanced_dirty_ratelimit)) | |
342 | ) | |
343 | ) | |
344 | ||
a40cb509 MD |
345 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
346 | ||
347 | writeback_balance_dirty_pages, | |
348 | ||
349 | TP_PROTO(struct bdi_writeback *wb, | |
350 | unsigned long thresh, | |
351 | unsigned long bg_thresh, | |
352 | unsigned long dirty, | |
353 | unsigned long bdi_thresh, | |
354 | unsigned long bdi_dirty, | |
355 | unsigned long dirty_ratelimit, | |
356 | unsigned long task_ratelimit, | |
357 | unsigned long dirtied, | |
358 | unsigned long period, | |
359 | long pause, | |
360 | unsigned long start_time), | |
361 | ||
362 | TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
363 | dirty_ratelimit, task_ratelimit, | |
364 | dirtied, period, pause, start_time | |
365 | ), | |
366 | ||
367 | TP_FIELDS( | |
b1fdcb19 | 368 | ctf_string(bdi, lttng_bdi_dev_name(wb->bdi)) |
a40cb509 MD |
369 | ctf_integer(unsigned long, limit, global_dirty_limit) |
370 | ctf_integer(unsigned long, setpoint, | |
371 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
372 | ctf_integer(unsigned long, dirty, dirty) | |
373 | ctf_integer(unsigned long, bdi_setpoint, | |
374 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
375 | bdi_thresh / (thresh + 1)) | |
376 | ctf_integer(unsigned long, bdi_dirty, bdi_dirty) | |
377 | ctf_integer(unsigned long, dirty_ratelimit, | |
378 | KBps(dirty_ratelimit)) | |
379 | ctf_integer(unsigned long, task_ratelimit, | |
380 | KBps(task_ratelimit)) | |
381 | ctf_integer(unsigned int, dirtied, dirtied) | |
382 | ctf_integer(unsigned int, dirtied_pause, | |
383 | current->nr_dirtied_pause) | |
384 | ctf_integer(unsigned long, paused, | |
385 | (jiffies - start_time) * 1000 / HZ) | |
386 | ctf_integer(long, pause, pause * 1000 / HZ) | |
387 | ctf_integer(unsigned long, period, | |
388 | period * 1000 / HZ) | |
389 | ctf_integer(long, think, | |
390 | current->dirty_paused_when == 0 ? 0 : | |
391 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
392 | ) | |
393 | ) | |
394 | ||
3bc29f0a | 395 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
396 | |
397 | TP_PROTO(struct inode *inode), | |
398 | TP_ARGS(inode), | |
399 | ||
f127e61e | 400 | TP_FIELDS( |
d8c1ffac | 401 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
402 | ctf_integer(unsigned long, ino, inode->i_ino) |
403 | ctf_integer(unsigned long, state, inode->i_state) | |
404 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
b87700e3 AG |
405 | ) |
406 | ) | |
b87700e3 | 407 | |
3bc29f0a | 408 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
409 | |
410 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
411 | ||
412 | TP_ARGS(usec_timeout, usec_delayed), | |
413 | ||
f127e61e MD |
414 | TP_FIELDS( |
415 | ctf_integer(unsigned int, usec_timeout, usec_timeout) | |
416 | ctf_integer(unsigned int, usec_delayed, usec_delayed) | |
417 | ) | |
b87700e3 AG |
418 | ) |
419 | ||
3bc29f0a | 420 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
421 | |
422 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
423 | ||
424 | TP_ARGS(usec_timeout, usec_delayed) | |
425 | ) | |
426 | ||
3bc29f0a | 427 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
428 | |
429 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
430 | ||
431 | TP_ARGS(usec_timeout, usec_delayed) | |
432 | ) | |
b87700e3 | 433 | |
3bc29f0a | 434 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
435 | |
436 | TP_PROTO(struct inode *inode, | |
437 | struct writeback_control *wbc, | |
438 | unsigned long nr_to_write | |
439 | ), | |
440 | ||
441 | TP_ARGS(inode, wbc, nr_to_write), | |
442 | ||
f127e61e | 443 | TP_FIELDS( |
d8c1ffac | 444 | ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode))) |
f127e61e MD |
445 | ctf_integer(unsigned long, ino, inode->i_ino) |
446 | ctf_integer(unsigned long, state, inode->i_state) | |
447 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
448 | ctf_integer(unsigned long, writeback_index, | |
449 | inode->i_mapping->writeback_index) | |
450 | ctf_integer(long, nr_to_write, nr_to_write) | |
451 | ctf_integer(unsigned long, wrote, | |
452 | nr_to_write - wbc->nr_to_write) | |
b87700e3 AG |
453 | ) |
454 | ) | |
455 | ||
3bc29f0a | 456 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
457 | TP_PROTO(struct inode *inode, |
458 | struct writeback_control *wbc, | |
459 | unsigned long nr_to_write), | |
460 | TP_ARGS(inode, wbc, nr_to_write) | |
461 | ) | |
b87700e3 | 462 | |
3bc29f0a | 463 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
464 | |
465 | /* This part must be outside protection */ | |
3b4aafcb | 466 | #include <lttng/define_trace.h> |