Commit | Line | Data |
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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" |
b87700e3 AG |
8 | #include <linux/backing-dev.h> |
9 | #include <linux/writeback.h> | |
10 | #include <linux/version.h> | |
11 | ||
12 | #ifndef _TRACE_WRITEBACK_DEF_ | |
13 | #define _TRACE_WRITEBACK_DEF_ | |
b87700e3 AG |
14 | static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) |
15 | { | |
16 | struct super_block *sb = inode->i_sb; | |
17 | ||
18 | if (strcmp(sb->s_type->name, "bdev") == 0) | |
19 | return inode->i_mapping->backing_dev_info; | |
20 | ||
21 | return sb->s_bdi; | |
22 | } | |
23 | #endif | |
24 | ||
25 | #define show_inode_state(state) \ | |
26 | __print_flags(state, "|", \ | |
27 | {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ | |
28 | {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ | |
29 | {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ | |
30 | {I_NEW, "I_NEW"}, \ | |
31 | {I_WILL_FREE, "I_WILL_FREE"}, \ | |
32 | {I_FREEING, "I_FREEING"}, \ | |
33 | {I_CLEAR, "I_CLEAR"}, \ | |
34 | {I_SYNC, "I_SYNC"}, \ | |
35 | {I_REFERENCED, "I_REFERENCED"} \ | |
36 | ) | |
37 | ||
38 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
39 | #define WB_WORK_REASON \ | |
40 | {WB_REASON_BACKGROUND, "background"}, \ | |
41 | {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \ | |
42 | {WB_REASON_SYNC, "sync"}, \ | |
43 | {WB_REASON_PERIODIC, "periodic"}, \ | |
44 | {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \ | |
45 | {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \ | |
46 | {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \ | |
47 | {WB_REASON_FORKER_THREAD, "forker_thread"} | |
48 | #endif | |
49 | ||
3bc29f0a | 50 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, |
b87700e3 AG |
51 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), |
52 | TP_ARGS(bdi, work), | |
53 | TP_STRUCT__entry( | |
54 | __array(char, name, 32) | |
b87700e3 AG |
55 | ), |
56 | TP_fast_assign( | |
57 | tp_memcpy(name, dev_name(bdi->dev ? bdi->dev : | |
58 | default_backing_dev_info.dev), 32) | |
b87700e3 | 59 | ), |
88dc2c97 MD |
60 | TP_printk("bdi %s", |
61 | __entry->name | |
b87700e3 | 62 | ) |
b87700e3 | 63 | ) |
3bc29f0a MD |
64 | #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ |
65 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ | |
b87700e3 AG |
66 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ |
67 | TP_ARGS(bdi, work)) | |
3bc29f0a MD |
68 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) |
69 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) | |
70 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) | |
b87700e3 | 71 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) |
3bc29f0a MD |
72 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) |
73 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) | |
74 | LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) | |
b87700e3 AG |
75 | #endif |
76 | ||
3bc29f0a | 77 | LTTNG_TRACEPOINT_EVENT(writeback_pages_written, |
b87700e3 AG |
78 | TP_PROTO(long pages_written), |
79 | TP_ARGS(pages_written), | |
80 | TP_STRUCT__entry( | |
81 | __field(long, pages) | |
82 | ), | |
83 | TP_fast_assign( | |
84 | tp_assign(pages, pages_written) | |
85 | ), | |
86 | TP_printk("%ld", __entry->pages) | |
87 | ) | |
88 | ||
3bc29f0a | 89 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, |
b87700e3 AG |
90 | TP_PROTO(struct backing_dev_info *bdi), |
91 | TP_ARGS(bdi), | |
92 | TP_STRUCT__entry( | |
93 | __array(char, name, 32) | |
94 | ), | |
95 | TP_fast_assign( | |
96 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
97 | ), | |
98 | TP_printk("bdi %s", | |
99 | __entry->name | |
100 | ) | |
101 | ) | |
59fecd6c | 102 | #undef DEFINE_WRITEBACK_EVENT |
b87700e3 | 103 | #define DEFINE_WRITEBACK_EVENT(name) \ |
3bc29f0a | 104 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ |
b87700e3 AG |
105 | TP_PROTO(struct backing_dev_info *bdi), \ |
106 | TP_ARGS(bdi)) | |
107 | ||
9cf29d3e | 108 | #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ |
3bc29f0a | 109 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ |
9cf29d3e MD |
110 | TP_PROTO(struct backing_dev_info *bdi), \ |
111 | TP_ARGS(bdi)) | |
112 | ||
b87700e3 AG |
113 | DEFINE_WRITEBACK_EVENT(writeback_nowork) |
114 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) | |
115 | DEFINE_WRITEBACK_EVENT(writeback_wake_background) | |
116 | #endif | |
117 | DEFINE_WRITEBACK_EVENT(writeback_wake_thread) | |
118 | DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) | |
119 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register) | |
120 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) | |
121 | DEFINE_WRITEBACK_EVENT(writeback_thread_start) | |
122 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop) | |
123 | #if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) | |
9cf29d3e MD |
124 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) |
125 | DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) | |
126 | ||
3bc29f0a | 127 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, |
b87700e3 | 128 | |
9cf29d3e | 129 | writeback_balance_dirty_written, |
b87700e3 AG |
130 | |
131 | TP_PROTO(struct backing_dev_info *bdi, int written), | |
132 | ||
133 | TP_ARGS(bdi, written), | |
134 | ||
135 | TP_STRUCT__entry( | |
136 | __array(char, name, 32) | |
137 | __field(int, written) | |
138 | ), | |
139 | ||
140 | TP_fast_assign( | |
141 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
142 | tp_assign(written, written) | |
143 | ), | |
144 | ||
145 | TP_printk("bdi %s written %d", | |
146 | __entry->name, | |
147 | __entry->written | |
148 | ) | |
149 | ) | |
150 | #endif | |
151 | ||
3bc29f0a | 152 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, |
b87700e3 AG |
153 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), |
154 | TP_ARGS(wbc, bdi), | |
155 | TP_STRUCT__entry( | |
156 | __array(char, name, 32) | |
157 | __field(long, nr_to_write) | |
158 | __field(long, pages_skipped) | |
159 | __field(int, sync_mode) | |
160 | __field(int, for_kupdate) | |
161 | __field(int, for_background) | |
162 | __field(int, for_reclaim) | |
163 | __field(int, range_cyclic) | |
164 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
165 | __field(int, more_io) | |
166 | __field(unsigned long, older_than_this) | |
167 | #endif | |
168 | __field(long, range_start) | |
169 | __field(long, range_end) | |
170 | ), | |
171 | ||
172 | TP_fast_assign( | |
173 | tp_memcpy(name, dev_name(bdi->dev), 32) | |
174 | tp_assign(nr_to_write, wbc->nr_to_write) | |
175 | tp_assign(pages_skipped, wbc->pages_skipped) | |
176 | tp_assign(sync_mode, wbc->sync_mode) | |
177 | tp_assign(for_kupdate, wbc->for_kupdate) | |
178 | tp_assign(for_background, wbc->for_background) | |
179 | tp_assign(for_reclaim, wbc->for_reclaim) | |
180 | tp_assign(range_cyclic, wbc->range_cyclic) | |
181 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
182 | tp_assign(more_io, wbc->more_io) | |
183 | tp_assign(older_than_this, wbc->older_than_this ? | |
184 | *wbc->older_than_this : 0) | |
185 | #endif | |
186 | tp_assign(range_start, (long)wbc->range_start) | |
187 | tp_assign(range_end, (long)wbc->range_end) | |
188 | ), | |
189 | ||
190 | TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " | |
191 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
192 | "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx " | |
193 | #else | |
194 | "bgrd=%d reclm=%d cyclic=%d " | |
195 | #endif | |
196 | "start=0x%lx end=0x%lx", | |
197 | __entry->name, | |
198 | __entry->nr_to_write, | |
199 | __entry->pages_skipped, | |
200 | __entry->sync_mode, | |
201 | __entry->for_kupdate, | |
202 | __entry->for_background, | |
203 | __entry->for_reclaim, | |
204 | __entry->range_cyclic, | |
205 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
206 | __entry->more_io, | |
207 | __entry->older_than_this, | |
208 | #endif | |
209 | __entry->range_start, | |
210 | __entry->range_end) | |
211 | ) | |
212 | ||
9cf29d3e | 213 | #undef DEFINE_WBC_EVENT |
3bc29f0a MD |
214 | #define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ |
215 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ | |
b87700e3 AG |
216 | TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ |
217 | TP_ARGS(wbc, bdi)) | |
218 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) | |
3bc29f0a MD |
219 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start) |
220 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written) | |
221 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait) | |
222 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) | |
223 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) | |
224 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) | |
b87700e3 | 225 | #endif |
3bc29f0a | 226 | LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) |
b87700e3 AG |
227 | |
228 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 229 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, |
b87700e3 AG |
230 | TP_PROTO(struct bdi_writeback *wb, |
231 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
232 | struct wb_writeback_work *work, | |
233 | #else | |
234 | unsigned long *older_than_this, | |
235 | #endif | |
236 | int moved), | |
237 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
238 | TP_ARGS(wb, work, moved), | |
239 | #else | |
240 | TP_ARGS(wb, older_than_this, moved), | |
241 | #endif | |
242 | TP_STRUCT__entry( | |
243 | __array(char, name, 32) | |
88dc2c97 MD |
244 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
245 | #else | |
b87700e3 AG |
246 | __field(unsigned long, older) |
247 | __field(long, age) | |
b87700e3 | 248 | #endif |
88dc2c97 | 249 | __field(int, moved) |
b87700e3 AG |
250 | ), |
251 | TP_fast_assign( | |
252 | tp_memcpy(name, dev_name(wb->bdi->dev), 32) | |
253 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
b87700e3 AG |
254 | #else |
255 | tp_assign(older, older_than_this ? *older_than_this : 0) | |
256 | tp_assign(age, older_than_this ? | |
257 | (jiffies - *older_than_this) * 1000 / HZ : -1) | |
258 | #endif | |
259 | tp_assign(moved, moved) | |
b87700e3 AG |
260 | ), |
261 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
88dc2c97 | 262 | TP_printk("bdi %s: enqueue=%d", |
b87700e3 | 263 | __entry->name, |
b87700e3 | 264 | __entry->moved, |
b87700e3 AG |
265 | ) |
266 | #else | |
267 | TP_printk("bdi %s: older=%lu age=%ld enqueue=%d", | |
268 | __entry->name, | |
269 | __entry->older, /* older_than_this in jiffies */ | |
270 | __entry->age, /* older_than_this in relative milliseconds */ | |
271 | __entry->moved | |
272 | ) | |
273 | #endif | |
274 | ) | |
275 | ||
3bc29f0a | 276 | LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, |
9cf29d3e MD |
277 | |
278 | writeback_global_dirty_state, | |
b87700e3 AG |
279 | |
280 | TP_PROTO(unsigned long background_thresh, | |
281 | unsigned long dirty_thresh | |
282 | ), | |
283 | ||
284 | TP_ARGS(background_thresh, | |
285 | dirty_thresh | |
286 | ), | |
287 | ||
288 | TP_STRUCT__entry( | |
289 | __field(unsigned long, nr_dirty) | |
290 | __field(unsigned long, nr_writeback) | |
291 | __field(unsigned long, nr_unstable) | |
292 | __field(unsigned long, background_thresh) | |
293 | __field(unsigned long, dirty_thresh) | |
294 | __field(unsigned long, dirty_limit) | |
295 | __field(unsigned long, nr_dirtied) | |
296 | __field(unsigned long, nr_written) | |
297 | ), | |
298 | ||
299 | TP_fast_assign( | |
300 | tp_assign(nr_dirty, global_page_state(NR_FILE_DIRTY)) | |
301 | tp_assign(nr_writeback, global_page_state(NR_WRITEBACK)) | |
302 | tp_assign(nr_unstable, global_page_state(NR_UNSTABLE_NFS)) | |
303 | tp_assign(nr_dirtied, global_page_state(NR_DIRTIED)) | |
304 | tp_assign(nr_written, global_page_state(NR_WRITTEN)) | |
305 | tp_assign(background_thresh, background_thresh) | |
306 | tp_assign(dirty_thresh, dirty_thresh) | |
307 | tp_assign(dirty_limit, global_dirty_limit) | |
308 | ), | |
309 | ||
310 | TP_printk("dirty=%lu writeback=%lu unstable=%lu " | |
311 | "bg_thresh=%lu thresh=%lu limit=%lu " | |
312 | "dirtied=%lu written=%lu", | |
313 | __entry->nr_dirty, | |
314 | __entry->nr_writeback, | |
315 | __entry->nr_unstable, | |
316 | __entry->background_thresh, | |
317 | __entry->dirty_thresh, | |
318 | __entry->dirty_limit, | |
319 | __entry->nr_dirtied, | |
320 | __entry->nr_written | |
321 | ) | |
322 | ) | |
323 | #endif | |
324 | ||
325 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
326 | ||
327 | #define KBps(x) ((x) << (PAGE_SHIFT - 10)) | |
328 | ||
3bc29f0a | 329 | LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, |
9cf29d3e MD |
330 | |
331 | writeback_bdi_dirty_ratelimit, | |
b87700e3 AG |
332 | |
333 | TP_PROTO(struct backing_dev_info *bdi, | |
334 | unsigned long dirty_rate, | |
335 | unsigned long task_ratelimit), | |
336 | ||
337 | TP_ARGS(bdi, dirty_rate, task_ratelimit), | |
338 | ||
339 | TP_STRUCT__entry( | |
340 | __array(char, bdi, 32) | |
341 | __field(unsigned long, write_bw) | |
342 | __field(unsigned long, avg_write_bw) | |
343 | __field(unsigned long, dirty_rate) | |
344 | __field(unsigned long, dirty_ratelimit) | |
345 | __field(unsigned long, task_ratelimit) | |
346 | __field(unsigned long, balanced_dirty_ratelimit) | |
347 | ), | |
348 | ||
349 | TP_fast_assign( | |
350 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
351 | tp_assign(write_bw, KBps(bdi->write_bandwidth)) | |
352 | tp_assign(avg_write_bw, KBps(bdi->avg_write_bandwidth)) | |
353 | tp_assign(dirty_rate, KBps(dirty_rate)) | |
354 | tp_assign(dirty_ratelimit, KBps(bdi->dirty_ratelimit)) | |
355 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
356 | tp_assign(balanced_dirty_ratelimit, | |
357 | KBps(bdi->balanced_dirty_ratelimit)) | |
358 | ), | |
359 | ||
360 | TP_printk("bdi %s: " | |
361 | "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " | |
362 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
363 | "balanced_dirty_ratelimit=%lu", | |
364 | __entry->bdi, | |
365 | __entry->write_bw, /* write bandwidth */ | |
366 | __entry->avg_write_bw, /* avg write bandwidth */ | |
367 | __entry->dirty_rate, /* bdi dirty rate */ | |
368 | __entry->dirty_ratelimit, /* base ratelimit */ | |
369 | __entry->task_ratelimit, /* ratelimit with position control */ | |
370 | __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ | |
371 | ) | |
372 | ) | |
373 | ||
3bc29f0a | 374 | LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, |
9cf29d3e MD |
375 | |
376 | writeback_balance_dirty_pages, | |
b87700e3 AG |
377 | |
378 | TP_PROTO(struct backing_dev_info *bdi, | |
379 | unsigned long thresh, | |
380 | unsigned long bg_thresh, | |
381 | unsigned long dirty, | |
382 | unsigned long bdi_thresh, | |
383 | unsigned long bdi_dirty, | |
384 | unsigned long dirty_ratelimit, | |
385 | unsigned long task_ratelimit, | |
386 | unsigned long dirtied, | |
387 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
388 | unsigned long period, | |
389 | #endif | |
390 | long pause, | |
391 | unsigned long start_time), | |
392 | ||
393 | TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, | |
394 | dirty_ratelimit, task_ratelimit, | |
395 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
396 | dirtied, period, pause, start_time), | |
397 | #else | |
398 | dirtied, pause, start_time), | |
399 | #endif | |
400 | TP_STRUCT__entry( | |
401 | __array( char, bdi, 32) | |
402 | __field(unsigned long, limit) | |
403 | __field(unsigned long, setpoint) | |
404 | __field(unsigned long, dirty) | |
405 | __field(unsigned long, bdi_setpoint) | |
406 | __field(unsigned long, bdi_dirty) | |
407 | __field(unsigned long, dirty_ratelimit) | |
408 | __field(unsigned long, task_ratelimit) | |
409 | __field(unsigned int, dirtied) | |
410 | __field(unsigned int, dirtied_pause) | |
411 | __field(unsigned long, paused) | |
412 | __field( long, pause) | |
413 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
414 | __field(unsigned long, period) | |
415 | __field( long, think) | |
416 | #endif | |
417 | ), | |
418 | ||
419 | TP_fast_assign( | |
420 | tp_memcpy(bdi, dev_name(bdi->dev), 32) | |
421 | tp_assign(limit, global_dirty_limit) | |
422 | tp_assign(setpoint, | |
423 | (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) | |
424 | tp_assign(dirty, dirty) | |
425 | tp_assign(bdi_setpoint, | |
426 | ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * | |
427 | bdi_thresh / (thresh + 1)) | |
428 | tp_assign(bdi_dirty, bdi_dirty) | |
429 | tp_assign(dirty_ratelimit, KBps(dirty_ratelimit)) | |
430 | tp_assign(task_ratelimit, KBps(task_ratelimit)) | |
431 | tp_assign(dirtied, dirtied) | |
432 | tp_assign(dirtied_pause, current->nr_dirtied_pause) | |
433 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
434 | tp_assign(think, current->dirty_paused_when == 0 ? 0 : | |
435 | (long)(jiffies - current->dirty_paused_when) * 1000/HZ) | |
436 | tp_assign(period, period * 1000 / HZ) | |
437 | #endif | |
438 | tp_assign(pause, pause * 1000 / HZ) | |
439 | tp_assign(paused, (jiffies - start_time) * 1000 / HZ) | |
440 | ), | |
441 | ||
442 | ||
443 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
444 | TP_printk("bdi %s: " | |
445 | "limit=%lu setpoint=%lu dirty=%lu " | |
446 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
447 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
448 | "dirtied=%u dirtied_pause=%u " | |
449 | "paused=%lu pause=%ld period=%lu think=%ld", | |
450 | __entry->bdi, | |
451 | __entry->limit, | |
452 | __entry->setpoint, | |
453 | __entry->dirty, | |
454 | __entry->bdi_setpoint, | |
455 | __entry->bdi_dirty, | |
456 | __entry->dirty_ratelimit, | |
457 | __entry->task_ratelimit, | |
458 | __entry->dirtied, | |
459 | __entry->dirtied_pause, | |
460 | __entry->paused, /* ms */ | |
461 | __entry->pause, /* ms */ | |
462 | __entry->period, /* ms */ | |
463 | __entry->think /* ms */ | |
464 | ) | |
465 | #else | |
466 | TP_printk("bdi %s: " | |
467 | "limit=%lu setpoint=%lu dirty=%lu " | |
468 | "bdi_setpoint=%lu bdi_dirty=%lu " | |
469 | "dirty_ratelimit=%lu task_ratelimit=%lu " | |
470 | "dirtied=%u dirtied_pause=%u " | |
471 | "paused=%lu pause=%ld", | |
472 | __entry->bdi, | |
473 | __entry->limit, | |
474 | __entry->setpoint, | |
475 | __entry->dirty, | |
476 | __entry->bdi_setpoint, | |
477 | __entry->bdi_dirty, | |
478 | __entry->dirty_ratelimit, | |
479 | __entry->task_ratelimit, | |
480 | __entry->dirtied, | |
481 | __entry->dirtied_pause, | |
482 | __entry->paused, /* ms */ | |
483 | __entry->pause /* ms */ | |
484 | ) | |
485 | #endif | |
486 | ) | |
487 | #endif | |
488 | ||
489 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 490 | LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, |
b87700e3 AG |
491 | |
492 | TP_PROTO(struct inode *inode), | |
493 | TP_ARGS(inode), | |
494 | ||
495 | TP_STRUCT__entry( | |
496 | __array(char, name, 32) | |
497 | __field(unsigned long, ino) | |
498 | __field(unsigned long, state) | |
499 | __field(unsigned long, dirtied_when) | |
500 | ), | |
501 | ||
502 | TP_fast_assign( | |
503 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
504 | tp_assign(ino, inode->i_ino) | |
505 | tp_assign(state, inode->i_state) | |
506 | tp_assign(dirtied_when, inode->dirtied_when) | |
507 | ), | |
508 | ||
509 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", | |
510 | __entry->name, | |
511 | __entry->ino, | |
512 | show_inode_state(__entry->state), | |
513 | __entry->dirtied_when, | |
514 | (jiffies - __entry->dirtied_when) / HZ | |
515 | ) | |
516 | ) | |
517 | #endif | |
518 | ||
519 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
3bc29f0a | 520 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, |
b87700e3 AG |
521 | |
522 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
523 | ||
524 | TP_ARGS(usec_timeout, usec_delayed), | |
525 | ||
526 | TP_STRUCT__entry( | |
527 | __field( unsigned int, usec_timeout ) | |
528 | __field( unsigned int, usec_delayed ) | |
529 | ), | |
530 | ||
531 | TP_fast_assign( | |
532 | tp_assign(usec_timeout, usec_timeout) | |
533 | tp_assign(usec_delayed, usec_delayed) | |
534 | ), | |
535 | ||
536 | TP_printk("usec_timeout=%u usec_delayed=%u", | |
537 | __entry->usec_timeout, | |
538 | __entry->usec_delayed) | |
539 | ) | |
540 | ||
3bc29f0a | 541 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, |
b87700e3 AG |
542 | |
543 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
544 | ||
545 | TP_ARGS(usec_timeout, usec_delayed) | |
546 | ) | |
547 | ||
3bc29f0a | 548 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, |
b87700e3 AG |
549 | |
550 | TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), | |
551 | ||
552 | TP_ARGS(usec_timeout, usec_delayed) | |
553 | ) | |
554 | #endif | |
555 | ||
556 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
3bc29f0a | 557 | LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, |
b87700e3 AG |
558 | |
559 | TP_PROTO(struct inode *inode, | |
560 | struct writeback_control *wbc, | |
561 | unsigned long nr_to_write | |
562 | ), | |
563 | ||
564 | TP_ARGS(inode, wbc, nr_to_write), | |
565 | ||
566 | TP_STRUCT__entry( | |
567 | __array(char, name, 32) | |
568 | __field(unsigned long, ino) | |
569 | __field(unsigned long, state) | |
570 | __field(unsigned long, dirtied_when) | |
571 | __field(unsigned long, writeback_index) | |
572 | __field(long, nr_to_write) | |
573 | __field(unsigned long, wrote) | |
574 | ), | |
575 | ||
576 | TP_fast_assign( | |
577 | tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) | |
578 | tp_assign(ino, inode->i_ino) | |
579 | tp_assign(state, inode->i_state) | |
580 | tp_assign(dirtied_when, inode->dirtied_when) | |
581 | tp_assign(writeback_index, inode->i_mapping->writeback_index) | |
582 | tp_assign(nr_to_write, nr_to_write) | |
583 | tp_assign(wrote, nr_to_write - wbc->nr_to_write) | |
584 | ), | |
585 | ||
586 | TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " | |
587 | "index=%lu to_write=%ld wrote=%lu", | |
588 | __entry->name, | |
589 | __entry->ino, | |
590 | show_inode_state(__entry->state), | |
591 | __entry->dirtied_when, | |
592 | (jiffies - __entry->dirtied_when) / HZ, | |
593 | __entry->writeback_index, | |
594 | __entry->nr_to_write, | |
595 | __entry->wrote | |
596 | ) | |
597 | ) | |
598 | ||
599 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) | |
3bc29f0a | 600 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue, |
b87700e3 AG |
601 | TP_PROTO(struct inode *inode, |
602 | struct writeback_control *wbc, | |
603 | unsigned long nr_to_write), | |
604 | TP_ARGS(inode, wbc, nr_to_write) | |
605 | ) | |
606 | #endif | |
607 | ||
3bc29f0a | 608 | LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, |
b87700e3 AG |
609 | TP_PROTO(struct inode *inode, |
610 | struct writeback_control *wbc, | |
611 | unsigned long nr_to_write), | |
612 | TP_ARGS(inode, wbc, nr_to_write) | |
613 | ) | |
614 | #endif | |
615 | ||
3bc29f0a | 616 | #endif /* LTTNG_TRACE_WRITEBACK_H */ |
b87700e3 AG |
617 | |
618 | /* This part must be outside protection */ | |
619 | #include "../../../probes/define_trace.h" |