Fix: update mm_vmscan instrumentation for kernel 4.8
[lttng-modules.git] / instrumentation / events / lttng-module / btrfs.h
CommitLineData
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1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM btrfs
3
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4#if !defined(LTTNG_TRACE_BTRFS_H) || defined(TRACE_HEADER_MULTI_READ)
5#define LTTNG_TRACE_BTRFS_H
b87700e3 6
6ec43db8 7#include <probes/lttng-tracepoint-event.h>
b87700e3 8#include <linux/writeback.h>
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9#include <linux/version.h>
10
11#ifndef _TRACE_BTRFS_DEF_
12#define _TRACE_BTRFS_DEF_
13struct btrfs_root;
14struct btrfs_fs_info;
15struct btrfs_inode;
16struct extent_map;
17struct btrfs_ordered_extent;
18struct btrfs_delayed_ref_node;
19struct btrfs_delayed_tree_ref;
20struct btrfs_delayed_data_ref;
21struct btrfs_delayed_ref_head;
22#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
23struct btrfs_block_group_cache;
24struct btrfs_free_cluster;
25#endif
26struct map_lookup;
27struct extent_buffer;
28#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
29struct extent_state;
30#endif
31#endif
32
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33#define BTRFS_UUID_SIZE 16
34
3bc29f0a 35LTTNG_TRACEPOINT_EVENT(btrfs_transaction_commit,
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36
37 TP_PROTO(struct btrfs_root *root),
38
39 TP_ARGS(root),
40
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41 TP_FIELDS(
42 ctf_integer(u64, generation, root->fs_info->generation)
43 ctf_integer(u64, root_objectid, root->root_key.objectid)
44 )
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45)
46
3bc29f0a 47LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__inode,
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48
49 TP_PROTO(struct inode *inode),
50
51 TP_ARGS(inode),
52
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53 TP_FIELDS(
54 ctf_integer(ino_t, ino, inode->i_ino)
55 ctf_integer(blkcnt_t, blocks, inode->i_blocks)
56 ctf_integer(u64, disk_i_size, BTRFS_I(inode)->disk_i_size)
57 ctf_integer(u64, generation, BTRFS_I(inode)->generation)
58 ctf_integer(u64, last_trans, BTRFS_I(inode)->last_trans)
59 ctf_integer(u64, logged_trans, BTRFS_I(inode)->logged_trans)
60 ctf_integer(u64, root_objectid,
b87700e3 61 BTRFS_I(inode)->root->root_key.objectid)
f127e61e 62 )
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63)
64
3bc29f0a 65LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_new,
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66
67 TP_PROTO(struct inode *inode),
68
69 TP_ARGS(inode)
70)
71
3bc29f0a 72LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_request,
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73
74 TP_PROTO(struct inode *inode),
75
76 TP_ARGS(inode)
77)
78
3bc29f0a 79LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_evict,
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80
81 TP_PROTO(struct inode *inode),
82
83 TP_ARGS(inode)
84)
85
3bc29f0a 86LTTNG_TRACEPOINT_EVENT(btrfs_get_extent,
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87
88 TP_PROTO(struct btrfs_root *root, struct extent_map *map),
89
90 TP_ARGS(root, map),
91
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92 TP_FIELDS(
93 ctf_integer(u64, root_objectid, root->root_key.objectid)
94 ctf_integer(u64, start, map->start)
95 ctf_integer(u64, len, map->len)
96 ctf_integer(u64, orig_start, map->orig_start)
97 ctf_integer(u64, block_start, map->block_start)
98 ctf_integer(u64, block_len, map->block_len)
99 ctf_integer(unsigned long, flags, map->flags)
100 ctf_integer(int, refs, atomic_read(&map->refs))
101 ctf_integer(unsigned int, compress_type, map->compress_type)
102 )
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103)
104
3bc29f0a 105LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__ordered_extent,
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106
107 TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
108
109 TP_ARGS(inode, ordered),
110
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111 TP_FIELDS(
112 ctf_integer(ino_t, ino, inode->i_ino)
113 ctf_integer(u64, file_offset, ordered->file_offset)
114 ctf_integer(u64, start, ordered->start)
115 ctf_integer(u64, len, ordered->len)
116 ctf_integer(u64, disk_len, ordered->disk_len)
117 ctf_integer(u64, bytes_left, ordered->bytes_left)
118 ctf_integer(unsigned long, flags, ordered->flags)
119 ctf_integer(int, compress_type, ordered->compress_type)
120 ctf_integer(int, refs, atomic_read(&ordered->refs))
121 ctf_integer(u64, root_objectid,
b87700e3 122 BTRFS_I(inode)->root->root_key.objectid)
f127e61e 123 )
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124)
125
3bc29f0a 126LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_add,
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127
128 TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
129
130 TP_ARGS(inode, ordered)
131)
132
3bc29f0a 133LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_remove,
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134
135 TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
136
137 TP_ARGS(inode, ordered)
138)
139
3bc29f0a 140LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_start,
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141
142 TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
143
144 TP_ARGS(inode, ordered)
145)
146
3bc29f0a 147LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_put,
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148
149 TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
150
151 TP_ARGS(inode, ordered)
152)
153
3bc29f0a 154LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__writepage,
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155
156 TP_PROTO(struct page *page, struct inode *inode,
157 struct writeback_control *wbc),
158
159 TP_ARGS(page, inode, wbc),
160
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161 TP_FIELDS(
162 ctf_integer(ino_t, ino, inode->i_ino)
163 ctf_integer(pgoff_t, index, page->index)
164 ctf_integer(long, nr_to_write, wbc->nr_to_write)
165 ctf_integer(long, pages_skipped, wbc->pages_skipped)
166 ctf_integer(loff_t, range_start, wbc->range_start)
167 ctf_integer(loff_t, range_end, wbc->range_end)
b87700e3 168#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
f127e61e 169 ctf_integer(char, nonblocking, wbc->nonblocking)
b87700e3 170#endif
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171 ctf_integer(char, for_kupdate, wbc->for_kupdate)
172 ctf_integer(char, for_reclaim, wbc->for_reclaim)
173 ctf_integer(char, range_cyclic, wbc->range_cyclic)
174 ctf_integer(pgoff_t, writeback_index,
175 inode->i_mapping->writeback_index)
176 ctf_integer(u64, root_objectid,
177 BTRFS_I(inode)->root->root_key.objectid)
178 )
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179)
180
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181LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(btrfs__writepage,
182
183 __extent_writepage,
184
185 btrfs__extent_writepage,
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186
187 TP_PROTO(struct page *page, struct inode *inode,
188 struct writeback_control *wbc),
189
190 TP_ARGS(page, inode, wbc)
191)
192
3bc29f0a 193LTTNG_TRACEPOINT_EVENT(btrfs_writepage_end_io_hook,
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194
195 TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),
196
197 TP_ARGS(page, start, end, uptodate),
198
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199 TP_FIELDS(
200 ctf_integer(ino_t, ino, page->mapping->host->i_ino)
201 ctf_integer(pgoff_t, index, page->index)
202 ctf_integer(u64, start, start)
203 ctf_integer(u64, end, end)
204 ctf_integer(int, uptodate, uptodate)
205 ctf_integer(u64, root_objectid,
206 BTRFS_I(page->mapping->host)->root->root_key.objectid)
207 )
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208)
209
3bc29f0a 210LTTNG_TRACEPOINT_EVENT(btrfs_sync_file,
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211
212 TP_PROTO(struct file *file, int datasync),
213
214 TP_ARGS(file, datasync),
215
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216 TP_FIELDS(
217 ctf_integer(ino_t, ino, file->f_path.dentry->d_inode->i_ino)
218 ctf_integer(ino_t, parent, file->f_path.dentry->d_parent->d_inode->i_ino)
219 ctf_integer(int, datasync, datasync)
220 ctf_integer(u64, root_objectid,
b87700e3 221 BTRFS_I(file->f_path.dentry->d_inode)->root->root_key.objectid)
f127e61e 222 )
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223)
224
3bc29f0a 225LTTNG_TRACEPOINT_EVENT(btrfs_sync_fs,
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226
227 TP_PROTO(int wait),
228
229 TP_ARGS(wait),
230
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231 TP_FIELDS(
232 ctf_integer(int, wait, wait)
233 )
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234)
235
3bc29f0a 236LTTNG_TRACEPOINT_EVENT(btrfs_delayed_tree_ref,
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237
238 TP_PROTO(struct btrfs_delayed_ref_node *ref,
239 struct btrfs_delayed_tree_ref *full_ref,
240 int action),
241
242 TP_ARGS(ref, full_ref, action),
243
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244 TP_FIELDS(
245 ctf_integer(u64, bytenr, ref->bytenr)
246 ctf_integer(u64, num_bytes, ref->num_bytes)
247 ctf_integer(int, action, action)
248 ctf_integer(u64, parent, full_ref->parent)
249 ctf_integer(u64, ref_root, full_ref->root)
250 ctf_integer(int, level, full_ref->level)
251 ctf_integer(int, type, ref->type)
b87700e3 252#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0))
f127e61e 253 ctf_integer(u64, seq, ref->seq)
b87700e3 254#endif
f127e61e 255 )
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256)
257
3bc29f0a 258LTTNG_TRACEPOINT_EVENT(btrfs_delayed_data_ref,
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259
260 TP_PROTO(struct btrfs_delayed_ref_node *ref,
261 struct btrfs_delayed_data_ref *full_ref,
262 int action),
263
264 TP_ARGS(ref, full_ref, action),
265
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266 TP_FIELDS(
267 ctf_integer(u64, bytenr, ref->bytenr)
268 ctf_integer(u64, num_bytes, ref->num_bytes)
269 ctf_integer(int, action, action)
270 ctf_integer(u64, parent, full_ref->parent)
271 ctf_integer(u64, ref_root, full_ref->root)
272 ctf_integer(u64, owner, full_ref->objectid)
273 ctf_integer(u64, offset, full_ref->offset)
274 ctf_integer(int, type, ref->type)
b87700e3 275#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0))
f127e61e 276 ctf_integer(u64, seq, ref->seq)
b87700e3 277#endif
f127e61e 278 )
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279)
280
3bc29f0a 281LTTNG_TRACEPOINT_EVENT(btrfs_delayed_ref_head,
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282
283 TP_PROTO(struct btrfs_delayed_ref_node *ref,
284 struct btrfs_delayed_ref_head *head_ref,
285 int action),
286
287 TP_ARGS(ref, head_ref, action),
288
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289 TP_FIELDS(
290 ctf_integer(u64, bytenr, ref->bytenr)
291 ctf_integer(u64, num_bytes, ref->num_bytes)
292 ctf_integer(int, action, action)
293 ctf_integer(int, is_data, head_ref->is_data)
294 )
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295)
296
3bc29f0a 297LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__chunk,
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298
299 TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
300 u64 offset, u64 size),
301
302 TP_ARGS(root, map, offset, size),
303
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304 TP_FIELDS(
305 ctf_integer(int, num_stripes, map->num_stripes)
306 ctf_integer(u64, type, map->type)
307 ctf_integer(int, sub_stripes, map->sub_stripes)
308 ctf_integer(u64, offset, offset)
309 ctf_integer(u64, size, size)
310 ctf_integer(u64, root_objectid, root->root_key.objectid)
311 )
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312)
313
3bc29f0a 314LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__chunk, btrfs_chunk_alloc,
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315
316 TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
317 u64 offset, u64 size),
318
319 TP_ARGS(root, map, offset, size)
320)
321
3bc29f0a 322LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__chunk, btrfs_chunk_free,
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323
324 TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
325 u64 offset, u64 size),
326
327 TP_ARGS(root, map, offset, size)
328)
329
3bc29f0a 330LTTNG_TRACEPOINT_EVENT(btrfs_cow_block,
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331
332 TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
333 struct extent_buffer *cow),
334
335 TP_ARGS(root, buf, cow),
336
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337 TP_FIELDS(
338 ctf_integer(u64, root_objectid, root->root_key.objectid)
339 ctf_integer(u64, buf_start, buf->start)
340 ctf_integer(int, refs, atomic_read(&buf->refs))
341 ctf_integer(u64, cow_start, cow->start)
342 ctf_integer(int, buf_level, btrfs_header_level(buf))
343 ctf_integer(int, cow_level, btrfs_header_level(cow))
344 )
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345)
346
347#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
3bc29f0a 348LTTNG_TRACEPOINT_EVENT(btrfs_space_reservation,
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349
350 TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,
351 u64 bytes, int reserve),
352
353 TP_ARGS(fs_info, type, val, bytes, reserve),
354
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355 TP_FIELDS(
356 ctf_array(u8, fsid, fs_info->fsid, BTRFS_UUID_SIZE)
357 ctf_string(type, type)
358 ctf_integer(u64, val, val)
359 ctf_integer(u64, bytes, bytes)
360 ctf_integer(int, reserve, reserve)
361 )
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362)
363#endif
364
3bc29f0a 365LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserved_extent,
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366
367 TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
368
369 TP_ARGS(root, start, len),
370
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371 TP_FIELDS(
372 ctf_integer(u64, root_objectid, root->root_key.objectid)
373 ctf_integer(u64, start, start)
374 ctf_integer(u64, len, len)
375 )
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376)
377
3bc29f0a 378LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent, btrfs_reserved_extent_alloc,
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379
380 TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
381
382 TP_ARGS(root, start, len)
383)
384
3bc29f0a 385LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent, btrfs_reserved_extent_free,
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386
387 TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
388
389 TP_ARGS(root, start, len)
390)
391
392#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
3bc29f0a 393LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
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394
395 btrfs_find_free_extent,
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396
397 TP_PROTO(struct btrfs_root *root, u64 num_bytes, u64 empty_size,
398 u64 data),
399
400 TP_ARGS(root, num_bytes, empty_size, data),
401
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402 TP_FIELDS(
403 ctf_integer(u64, root_objectid, root->root_key.objectid)
404 ctf_integer(u64, num_bytes, num_bytes)
405 ctf_integer(u64, empty_size, empty_size)
406 ctf_integer(u64, data, data)
407 )
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408)
409
3bc29f0a 410LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserve_extent,
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411
412 TP_PROTO(struct btrfs_root *root,
413 struct btrfs_block_group_cache *block_group, u64 start,
414 u64 len),
415
416 TP_ARGS(root, block_group, start, len),
417
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418 TP_FIELDS(
419 ctf_integer(u64, root_objectid, root->root_key.objectid)
420 ctf_integer(u64, bg_objectid, block_group->key.objectid)
421 ctf_integer(u64, flags, block_group->flags)
422 ctf_integer(u64, start, start)
423 ctf_integer(u64, len, len)
424 )
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425)
426
3bc29f0a 427LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent,
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428
429 TP_PROTO(struct btrfs_root *root,
430 struct btrfs_block_group_cache *block_group, u64 start,
431 u64 len),
432
433 TP_ARGS(root, block_group, start, len)
434)
435
3bc29f0a 436LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
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437
438 TP_PROTO(struct btrfs_root *root,
439 struct btrfs_block_group_cache *block_group, u64 start,
440 u64 len),
441
442 TP_ARGS(root, block_group, start, len)
443)
444
3bc29f0a 445LTTNG_TRACEPOINT_EVENT(btrfs_find_cluster,
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446
447 TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,
448 u64 bytes, u64 empty_size, u64 min_bytes),
449
450 TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
451
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452 TP_FIELDS(
453 ctf_integer(u64, bg_objectid, block_group->key.objectid)
454 ctf_integer(u64, flags, block_group->flags)
455 ctf_integer(u64, start, start)
456 ctf_integer(u64, bytes, bytes)
457 ctf_integer(u64, empty_size, empty_size)
458 ctf_integer(u64, min_bytes, min_bytes)
459 )
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460)
461
3bc29f0a 462LTTNG_TRACEPOINT_EVENT(btrfs_failed_cluster_setup,
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463
464 TP_PROTO(struct btrfs_block_group_cache *block_group),
465
466 TP_ARGS(block_group),
467
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468 TP_FIELDS(
469 ctf_integer(u64, bg_objectid, block_group->key.objectid)
470 )
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471)
472
3bc29f0a 473LTTNG_TRACEPOINT_EVENT(btrfs_setup_cluster,
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474
475 TP_PROTO(struct btrfs_block_group_cache *block_group,
476 struct btrfs_free_cluster *cluster, u64 size, int bitmap),
477
478 TP_ARGS(block_group, cluster, size, bitmap),
479
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480 TP_FIELDS(
481 ctf_integer(u64, bg_objectid, block_group->key.objectid)
482 ctf_integer(u64, flags, block_group->flags)
483 ctf_integer(u64, start, cluster->window_start)
484 ctf_integer(u64, max_size, cluster->max_size)
485 ctf_integer(u64, size, size)
486 ctf_integer(int, bitmap, bitmap)
487 )
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488)
489#endif
490
491#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
3bc29f0a 492LTTNG_TRACEPOINT_EVENT_MAP(alloc_extent_state,
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493
494 btrfs_alloc_extent_state,
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495
496 TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),
497
498 TP_ARGS(state, mask, IP),
499
f127e61e 500 TP_FIELDS(
fa91fcac 501 ctf_integer_hex(struct extent_state *, state, state)
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502 ctf_integer(gfp_t, mask, mask)
503 ctf_integer(unsigned long, ip, IP)
504 )
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505)
506
3bc29f0a 507LTTNG_TRACEPOINT_EVENT_MAP(free_extent_state,
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508
509 btrfs_free_extent_state,
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510
511 TP_PROTO(struct extent_state *state, unsigned long IP),
512
513 TP_ARGS(state, IP),
514
f127e61e 515 TP_FIELDS(
fa91fcac 516 ctf_integer_hex(struct extent_state *, state, state)
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517 ctf_integer(unsigned long, ip, IP)
518 )
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519)
520#endif
521
3bc29f0a 522#endif /* LTTNG_TRACE_BTRFS_H */
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523
524/* This part must be outside protection */
6ec43db8 525#include <probes/define_trace.h>
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