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), | |
f127e61e MD |
77 | TP_FIELDS( |
78 | ctf_array_text(char, name, | |
99a570c8 | 79 | mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32) |
f127e61e MD |
80 | ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0) |
81 | ctf_integer(pgoff_t, index, page->index) | |
99a570c8 MD |
82 | ) |
83 | ) | |
84 | ||
85 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
86 | TP_PROTO(struct inode *inode, int flags), | |
87 | TP_ARGS(inode, flags), | |
f127e61e | 88 | TP_FIELDS( |
99a570c8 | 89 | /* may be called for files on pseudo FSes w/ unregistered bdi */ |
f127e61e | 90 | ctf_array_text(char, name, |
99a570c8 MD |
91 | inode_to_bdi(inode)->dev ? |
92 | dev_name(inode_to_bdi(inode)->dev) : "(unknown)", 32) | |
f127e61e MD |
93 | ctf_integer(unsigned long, ino, inode->i_ino) |
94 | ctf_integer(unsigned long, state, inode->i_state) | |
95 | ctf_integer(unsigned long, flags, flags) | |
99a570c8 MD |
96 | ) |
97 | ) | |
98 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
99 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
100 | TP_PROTO(struct inode *inode, int flags), \ | |
101 | TP_ARGS(inode, flags)) | |
102 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
103 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
104 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty) | |
105 | ||
106 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
107 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
108 | TP_ARGS(inode, wbc), | |
f127e61e MD |
109 | TP_FIELDS( |
110 | ctf_array_text(char, name, | |
99a570c8 | 111 | dev_name(inode_to_bdi(inode)->dev), 32) |
f127e61e MD |
112 | ctf_integer(unsigned long, ino, inode->i_ino) |
113 | ctf_integer(int, sync_mode, wbc->sync_mode) | |
99a570c8 MD |
114 | ) |
115 | ) | |
116 | ||
117 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
118 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
119 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
120 | TP_ARGS(inode, wbc)) | |
121 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
122 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
123 | ||
124 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) | |
125 | ||
aa634cd1 JD |
126 | LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, |
127 | TP_PROTO(struct page *page, struct address_space *mapping), | |
128 | TP_ARGS(page, mapping), | |
f127e61e MD |
129 | TP_FIELDS( |
130 | ctf_array_text(char, name, | |
aa634cd1 | 131 | mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32) |
f127e61e MD |
132 | ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0) |
133 | ctf_integer(pgoff_t, index, page->index) | |
aa634cd1 JD |
134 | ) |
135 | ) | |
136 | ||
137 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, | |
138 | TP_PROTO(struct inode *inode, int flags), | |
139 | TP_ARGS(inode, flags), | |
f127e61e | 140 | TP_FIELDS( |
aa634cd1 | 141 | /* may be called for files on pseudo FSes w/ unregistered bdi */ |
f127e61e | 142 | ctf_array_text(char, name, |
aa634cd1 | 143 | inode->i_mapping->backing_dev_info->dev ? |
f127e61e MD |
144 | dev_name(inode->i_mapping->backing_dev_info->dev) |
145 | : "(unknown)", 32) | |
146 | ctf_integer(unsigned long, ino, inode->i_ino) | |
147 | ctf_integer(unsigned long, flags, flags) | |
aa634cd1 JD |
148 | ) |
149 | ) | |
150 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ | |
151 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ | |
152 | TP_PROTO(struct inode *inode, int flags), \ | |
153 | TP_ARGS(inode, flags)) | |
154 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) | |
155 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) | |
156 | ||
157 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, | |
158 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), | |
159 | TP_ARGS(inode, wbc), | |
f127e61e MD |
160 | TP_FIELDS( |
161 | ctf_array_text(char, name, | |
aa634cd1 | 162 | dev_name(inode->i_mapping->backing_dev_info->dev), 32) |
f127e61e MD |
163 | ctf_integer(unsigned long, ino, inode->i_ino) |
164 | ctf_integer(int, sync_mode, wbc->sync_mode) | |
aa634cd1 JD |
165 | ) |
166 | ) | |
167 | ||
168 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ | |
169 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ | |
170 | TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ | |
171 | TP_ARGS(inode, wbc)) | |
172 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) | |
173 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) | |
99a570c8 | 174 | |
aa634cd1 JD |
175 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
176 | ||
99a570c8 MD |
177 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) |
178 | ||
179 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, | |
180 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), | |
181 | TP_ARGS(bdi, work), | |
f127e61e MD |
182 | TP_FIELDS( |
183 | ctf_array_text(char, name, bdi->dev ? dev_name(bdi->dev) : | |
99a570c8 | 184 | "(unknown)", 32) |
99a570c8 MD |
185 | ) |
186 | ) | |
187 | ||
188 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
189 | ||
3bc29f0a | 190 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, |
b87700e3 AG |
191 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), |
192 | TP_ARGS(bdi, work), | |
f127e61e MD |
193 | TP_FIELDS( |
194 | ctf_array_text(char, name, | |
195 | dev_name(bdi->dev ? bdi->dev : | |
b87700e3 | 196 | default_backing_dev_info.dev), 32) |
b87700e3 | 197 | ) |
b87700e3 | 198 | ) |
99a570c8 MD |
199 | |
200 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ | |
201 | ||
3bc29f0a MD |
202 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
203 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
b87700e3 AG |
204 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ |
205 | TP_ARGS(bdi, work)) | |
3bc29f0a MD |
206 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
207 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
208 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
b87700e3 | 209 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) |
3bc29f0a MD |
210 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
211 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
212 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 AG |
213 | #endif |
214 | ||
3bc29f0a | 215 | LTTNG_TRACEPOINT_EVENT(writeback_pages_written, |
b87700e3 AG |
216 | TP_PROTO(long pages_written), |
217 | TP_ARGS(pages_written), | |
f127e61e MD |
218 | TP_FIELDS( |
219 | ctf_integer(long, pages, pages_written) | |
220 | ) | |
b87700e3 AG |
221 | ) |
222 | ||
3bc29f0a | 223 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, |
b87700e3 AG |
224 | TP_PROTO(struct backing_dev_info *bdi), |
225 | TP_ARGS(bdi), | |
f127e61e MD |
226 | TP_FIELDS( |
227 | ctf_array_text(char, name, | |
228 | dev_name(bdi->dev), 32) | |
b87700e3 AG |
229 | ) |
230 | ) | |
59fecd6c | 231 | #undef DEFINE_WRITEBACK_EVENT |
b87700e3 | 232 | #define DEFINE_WRITEBACK_EVENT(name) \ |
3bc29f0a | 233 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ |
b87700e3 AG |
234 | TP_PROTO(struct backing_dev_info *bdi), \ |
235 | TP_ARGS(bdi)) | |
236 | ||
9cf29d3e | 237 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ |
3bc29f0a | 238 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ |
9cf29d3e MD |
239 | TP_PROTO(struct backing_dev_info *bdi), \ |
240 | TP_ARGS(bdi)) | |
241 | ||
b87700e3 AG |
242 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
243 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) | |
244 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) | |
245 | #endif | |
246 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) | |
247 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
248 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register) | |
249 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) | |
250 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
251 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
252 | #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) | |
9cf29d3e MD |
253 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) |
254 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) | |
255 | ||
3bc29f0a | 256 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, |
b87700e3 | 257 | |
9cf29d3e | 258 | writeback_balance_dirty_written, |
b87700e3 AG |
259 | |
260 | TP_PROTO(struct backing_dev_info *bdi, int written), | |
261 | ||
262 | TP_ARGS(bdi, written), | |
263 | ||
f127e61e MD |
264 | TP_FIELDS( |
265 | ctf_array_text(char, name, dev_name(bdi->dev), 32) | |
266 | ctf_integer(int, written, written) | |
b87700e3 AG |
267 | ) |
268 | ) | |
269 | #endif | |
270 | ||
3bc29f0a | 271 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, |
b87700e3 AG |
272 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), |
273 | TP_ARGS(wbc, bdi), | |
f127e61e MD |
274 | TP_FIELDS( |
275 | ctf_array_text(char, name, dev_name(bdi->dev), 32) | |
276 | ctf_integer(long, nr_to_write, wbc->nr_to_write) | |
277 | ctf_integer(long, pages_skipped, wbc->pages_skipped) | |
278 | ctf_integer(int, sync_mode, wbc->sync_mode) | |
279 | ctf_integer(int, for_kupdate, wbc->for_kupdate) | |
280 | ctf_integer(int, for_background, wbc->for_background) | |
281 | ctf_integer(int, for_reclaim, wbc->for_reclaim) | |
282 | ctf_integer(int, range_cyclic, wbc->range_cyclic) | |
b87700e3 | 283 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) |
f127e61e MD |
284 | ctf_integer(int, more_io, wbc->more_io) |
285 | ctf_integer(unsigned long, older_than_this, | |
286 | wbc->older_than_this ? *wbc->older_than_this : 0) | |
b87700e3 | 287 | #endif |
f127e61e MD |
288 | ctf_integer(long, range_start, (long) wbc->range_start) |
289 | ctf_integer(long, range_end, (long) wbc->range_end) | |
290 | ) | |
b87700e3 AG |
291 | ) |
292 | ||
9cf29d3e | 293 | #undef DEFINE_WBC_EVENT |
3bc29f0a MD |
294 | #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ |
295 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ | |
b87700e3 AG |
296 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ |
297 | TP_ARGS(wbc, bdi)) | |
298 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
3bc29f0a MD |
299 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start) |
300 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written) | |
301 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait) | |
302 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) | |
303 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) | |
304 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) | |
b87700e3 | 305 | #endif |
3bc29f0a | 306 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 AG |
307 | |
308 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 309 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 AG |
310 | TP_PROTO(struct bdi_writeback *wb, |
311 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
312 | struct wb_writeback_work *work, | |
313 | #else | |
314 | unsigned long *older_than_this, | |
315 | #endif | |
316 | int moved), | |
317 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
318 | TP_ARGS(wb, work, moved), | |
319 | #else | |
320 | TP_ARGS(wb, older_than_this, moved), | |
321 | #endif | |
f127e61e MD |
322 | TP_FIELDS( |
323 | ctf_array_text(char, name, dev_name(wb->bdi->dev), 32) | |
b87700e3 | 324 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
b87700e3 | 325 | #else |
f127e61e MD |
326 | ctf_integer(unsigned long, older, |
327 | older_than_this ? *older_than_this : 0) | |
328 | ctf_integer(long, age, | |
329 | older_than_this ? | |
330 | (jiffies - *older_than_this) * 1000 / HZ | |
331 | : -1) | |
b87700e3 | 332 | #endif |
f127e61e | 333 | ctf_integer(int, moved, moved) |
b87700e3 | 334 | ) |
b87700e3 AG |
335 | ) |
336 | ||
3bc29f0a | 337 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
338 | |
339 | writeback_global_dirty_state, | |
b87700e3 AG |
340 | |
341 | TP_PROTO(unsigned long background_thresh, | |
342 | unsigned long dirty_thresh | |
343 | ), | |
344 | ||
345 | TP_ARGS(background_thresh, | |
346 | dirty_thresh | |
347 | ), | |
348 | ||
f127e61e MD |
349 | TP_FIELDS( |
350 | ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
351 | ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK)) | |
352 | ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
353 | ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED)) | |
354 | ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN)) | |
355 | ctf_integer(unsigned long, background_thresh, background_thresh) | |
356 | ctf_integer(unsigned long, dirty_thresh, dirty_thresh) | |
357 | ctf_integer(unsigned long, dirty_limit, global_dirty_limit) | |
b87700e3 AG |
358 | ) |
359 | ) | |
360 | #endif | |
361 | ||
362 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
363 | ||
364 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
365 | ||
3bc29f0a | 366 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
9cf29d3e MD |
367 | |
368 | writeback_bdi_dirty_ratelimit, | |
b87700e3 AG |
369 | |
370 | TP_PROTO(struct backing_dev_info *bdi, | |
371 | unsigned long dirty_rate, | |
372 | unsigned long task_ratelimit), | |
373 | ||
374 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
375 | ||
f127e61e MD |
376 | TP_FIELDS( |
377 | ctf_array_text(char, bdi, dev_name(bdi->dev), 32) | |
378 | ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth)) | |
379 | ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth)) | |
380 | ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) | |
381 | ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit)) | |
382 | ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) | |
383 | ctf_integer(unsigned long, balanced_dirty_ratelimit, | |
b87700e3 | 384 | KBps(bdi->balanced_dirty_ratelimit)) |
b87700e3 AG |
385 | ) |
386 | ) | |
387 | ||
3bc29f0a | 388 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
9cf29d3e MD |
389 | |
390 | writeback_balance_dirty_pages, | |
b87700e3 AG |
391 | |
392 | TP_PROTO(struct backing_dev_info *bdi, | |
393 | unsigned long thresh, | |
394 | unsigned long bg_thresh, | |
395 | unsigned long dirty, | |
396 | unsigned long bdi_thresh, | |
397 | unsigned long bdi_dirty, | |
398 | unsigned long dirty_ratelimit, | |
399 | unsigned long task_ratelimit, | |
400 | unsigned long dirtied, | |
401 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
402 | unsigned long period, | |
403 | #endif | |
404 | long pause, | |
405 | unsigned long start_time), | |
406 | ||
407 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
408 | dirty_ratelimit, task_ratelimit, | |
409 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
f127e61e | 410 | dirtied, period, pause, start_time |
b87700e3 | 411 | #else |
f127e61e | 412 | dirtied, pause, start_time |
b87700e3 AG |
413 | #endif |
414 | ), | |
415 | ||
f127e61e MD |
416 | TP_FIELDS( |
417 | ctf_array_text(char, bdi, dev_name(bdi->dev), 32) | |
418 | ctf_integer(unsigned long, limit, global_dirty_limit) | |
419 | ctf_integer(unsigned long, setpoint, | |
b87700e3 | 420 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) |
f127e61e MD |
421 | ctf_integer(unsigned long, dirty, dirty) |
422 | ctf_integer(unsigned long, bdi_setpoint, | |
b87700e3 | 423 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * |
f127e61e MD |
424 | bdi_thresh / (thresh + 1)) |
425 | ctf_integer(unsigned long, bdi_dirty, bdi_dirty) | |
426 | ctf_integer(unsigned long, dirty_ratelimit, | |
427 | KBps(dirty_ratelimit)) | |
428 | ctf_integer(unsigned long, task_ratelimit, | |
429 | KBps(task_ratelimit)) | |
430 | ctf_integer(unsigned int, dirtied, dirtied) | |
431 | ctf_integer(unsigned int, dirtied_pause, | |
432 | current->nr_dirtied_pause) | |
433 | ctf_integer(unsigned long, paused, | |
434 | (jiffies - start_time) * 1000 / HZ) | |
435 | ctf_integer(long, pause, pause * 1000 / HZ) | |
b87700e3 | 436 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) |
f127e61e MD |
437 | ctf_integer(unsigned long, period, |
438 | period * 1000 / HZ) | |
439 | ctf_integer(long, think, | |
440 | current->dirty_paused_when == 0 ? 0 : | |
441 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
b87700e3 | 442 | #endif |
f127e61e | 443 | ) |
b87700e3 AG |
444 | ) |
445 | #endif | |
446 | ||
447 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 448 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
449 | |
450 | TP_PROTO(struct inode *inode), | |
451 | TP_ARGS(inode), | |
452 | ||
f127e61e MD |
453 | TP_FIELDS( |
454 | ctf_array_text(char, name, | |
455 | dev_name(inode_to_bdi(inode)->dev), 32) | |
456 | ctf_integer(unsigned long, ino, inode->i_ino) | |
457 | ctf_integer(unsigned long, state, inode->i_state) | |
458 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
b87700e3 AG |
459 | ) |
460 | ) | |
461 | #endif | |
462 | ||
463 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
3bc29f0a | 464 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
465 | |
466 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
467 | ||
468 | TP_ARGS(usec_timeout, usec_delayed), | |
469 | ||
f127e61e MD |
470 | TP_FIELDS( |
471 | ctf_integer(unsigned int, usec_timeout, usec_timeout) | |
472 | ctf_integer(unsigned int, usec_delayed, usec_delayed) | |
473 | ) | |
b87700e3 AG |
474 | ) |
475 | ||
3bc29f0a | 476 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
477 | |
478 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
479 | ||
480 | TP_ARGS(usec_timeout, usec_delayed) | |
481 | ) | |
482 | ||
3bc29f0a | 483 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
484 | |
485 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
486 | ||
487 | TP_ARGS(usec_timeout, usec_delayed) | |
488 | ) | |
489 | #endif | |
490 | ||
491 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 492 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
493 | |
494 | TP_PROTO(struct inode *inode, | |
495 | struct writeback_control *wbc, | |
496 | unsigned long nr_to_write | |
497 | ), | |
498 | ||
499 | TP_ARGS(inode, wbc, nr_to_write), | |
500 | ||
f127e61e MD |
501 | TP_FIELDS( |
502 | ctf_array_text(char, name, | |
503 | dev_name(inode_to_bdi(inode)->dev), 32) | |
504 | ctf_integer(unsigned long, ino, inode->i_ino) | |
505 | ctf_integer(unsigned long, state, inode->i_state) | |
506 | ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) | |
507 | ctf_integer(unsigned long, writeback_index, | |
508 | inode->i_mapping->writeback_index) | |
509 | ctf_integer(long, nr_to_write, nr_to_write) | |
510 | ctf_integer(unsigned long, wrote, | |
511 | nr_to_write - wbc->nr_to_write) | |
b87700e3 AG |
512 | ) |
513 | ) | |
514 | ||
515 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 516 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue, |
b87700e3 AG |
517 | TP_PROTO(struct inode *inode, |
518 | struct writeback_control *wbc, | |
519 | unsigned long nr_to_write), | |
520 | TP_ARGS(inode, wbc, nr_to_write) | |
521 | ) | |
522 | #endif | |
523 | ||
3bc29f0a | 524 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
525 | TP_PROTO(struct inode *inode, |
526 | struct writeback_control *wbc, | |
527 | unsigned long nr_to_write), | |
528 | TP_ARGS(inode, wbc, nr_to_write) | |
529 | ) | |
530 | #endif | |
531 | ||
3bc29f0a | 532 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
533 | |
534 | /* This part must be outside protection */ | |
535 | #include "../../../probes/define_trace.h" |