Loading...
Note: File does not exist in v3.1.
1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM bcache
3
4#if !defined(_TRACE_BCACHE_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_BCACHE_H
6
7#include <linux/tracepoint.h>
8
9DECLARE_EVENT_CLASS(bcache_request,
10 TP_PROTO(struct bcache_device *d, struct bio *bio),
11 TP_ARGS(d, bio),
12
13 TP_STRUCT__entry(
14 __field(dev_t, dev )
15 __field(unsigned int, orig_major )
16 __field(unsigned int, orig_minor )
17 __field(sector_t, sector )
18 __field(dev_t, orig_sector )
19 __field(unsigned int, nr_sector )
20 __array(char, rwbs, 6 )
21 ),
22
23 TP_fast_assign(
24 __entry->dev = bio->bi_bdev->bd_dev;
25 __entry->orig_major = d->disk->major;
26 __entry->orig_minor = d->disk->first_minor;
27 __entry->sector = bio->bi_iter.bi_sector;
28 __entry->orig_sector = bio->bi_iter.bi_sector - 16;
29 __entry->nr_sector = bio->bi_iter.bi_size >> 9;
30 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
31 ),
32
33 TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
34 MAJOR(__entry->dev), MINOR(__entry->dev),
35 __entry->rwbs, (unsigned long long)__entry->sector,
36 __entry->nr_sector, __entry->orig_major, __entry->orig_minor,
37 (unsigned long long)__entry->orig_sector)
38);
39
40DECLARE_EVENT_CLASS(bkey,
41 TP_PROTO(struct bkey *k),
42 TP_ARGS(k),
43
44 TP_STRUCT__entry(
45 __field(u32, size )
46 __field(u32, inode )
47 __field(u64, offset )
48 __field(bool, dirty )
49 ),
50
51 TP_fast_assign(
52 __entry->inode = KEY_INODE(k);
53 __entry->offset = KEY_OFFSET(k);
54 __entry->size = KEY_SIZE(k);
55 __entry->dirty = KEY_DIRTY(k);
56 ),
57
58 TP_printk("%u:%llu len %u dirty %u", __entry->inode,
59 __entry->offset, __entry->size, __entry->dirty)
60);
61
62DECLARE_EVENT_CLASS(btree_node,
63 TP_PROTO(struct btree *b),
64 TP_ARGS(b),
65
66 TP_STRUCT__entry(
67 __field(size_t, bucket )
68 ),
69
70 TP_fast_assign(
71 __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
72 ),
73
74 TP_printk("bucket %zu", __entry->bucket)
75);
76
77/* request.c */
78
79DEFINE_EVENT(bcache_request, bcache_request_start,
80 TP_PROTO(struct bcache_device *d, struct bio *bio),
81 TP_ARGS(d, bio)
82);
83
84DEFINE_EVENT(bcache_request, bcache_request_end,
85 TP_PROTO(struct bcache_device *d, struct bio *bio),
86 TP_ARGS(d, bio)
87);
88
89DECLARE_EVENT_CLASS(bcache_bio,
90 TP_PROTO(struct bio *bio),
91 TP_ARGS(bio),
92
93 TP_STRUCT__entry(
94 __field(dev_t, dev )
95 __field(sector_t, sector )
96 __field(unsigned int, nr_sector )
97 __array(char, rwbs, 6 )
98 ),
99
100 TP_fast_assign(
101 __entry->dev = bio->bi_bdev->bd_dev;
102 __entry->sector = bio->bi_iter.bi_sector;
103 __entry->nr_sector = bio->bi_iter.bi_size >> 9;
104 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
105 ),
106
107 TP_printk("%d,%d %s %llu + %u",
108 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
109 (unsigned long long)__entry->sector, __entry->nr_sector)
110);
111
112DEFINE_EVENT(bcache_bio, bcache_bypass_sequential,
113 TP_PROTO(struct bio *bio),
114 TP_ARGS(bio)
115);
116
117DEFINE_EVENT(bcache_bio, bcache_bypass_congested,
118 TP_PROTO(struct bio *bio),
119 TP_ARGS(bio)
120);
121
122TRACE_EVENT(bcache_read,
123 TP_PROTO(struct bio *bio, bool hit, bool bypass),
124 TP_ARGS(bio, hit, bypass),
125
126 TP_STRUCT__entry(
127 __field(dev_t, dev )
128 __field(sector_t, sector )
129 __field(unsigned int, nr_sector )
130 __array(char, rwbs, 6 )
131 __field(bool, cache_hit )
132 __field(bool, bypass )
133 ),
134
135 TP_fast_assign(
136 __entry->dev = bio->bi_bdev->bd_dev;
137 __entry->sector = bio->bi_iter.bi_sector;
138 __entry->nr_sector = bio->bi_iter.bi_size >> 9;
139 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
140 __entry->cache_hit = hit;
141 __entry->bypass = bypass;
142 ),
143
144 TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
145 MAJOR(__entry->dev), MINOR(__entry->dev),
146 __entry->rwbs, (unsigned long long)__entry->sector,
147 __entry->nr_sector, __entry->cache_hit, __entry->bypass)
148);
149
150TRACE_EVENT(bcache_write,
151 TP_PROTO(struct bio *bio, bool writeback, bool bypass),
152 TP_ARGS(bio, writeback, bypass),
153
154 TP_STRUCT__entry(
155 __field(dev_t, dev )
156 __field(sector_t, sector )
157 __field(unsigned int, nr_sector )
158 __array(char, rwbs, 6 )
159 __field(bool, writeback )
160 __field(bool, bypass )
161 ),
162
163 TP_fast_assign(
164 __entry->dev = bio->bi_bdev->bd_dev;
165 __entry->sector = bio->bi_iter.bi_sector;
166 __entry->nr_sector = bio->bi_iter.bi_size >> 9;
167 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
168 __entry->writeback = writeback;
169 __entry->bypass = bypass;
170 ),
171
172 TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
173 MAJOR(__entry->dev), MINOR(__entry->dev),
174 __entry->rwbs, (unsigned long long)__entry->sector,
175 __entry->nr_sector, __entry->writeback, __entry->bypass)
176);
177
178DEFINE_EVENT(bcache_bio, bcache_read_retry,
179 TP_PROTO(struct bio *bio),
180 TP_ARGS(bio)
181);
182
183DEFINE_EVENT(bkey, bcache_cache_insert,
184 TP_PROTO(struct bkey *k),
185 TP_ARGS(k)
186);
187
188/* Journal */
189
190DECLARE_EVENT_CLASS(cache_set,
191 TP_PROTO(struct cache_set *c),
192 TP_ARGS(c),
193
194 TP_STRUCT__entry(
195 __array(char, uuid, 16 )
196 ),
197
198 TP_fast_assign(
199 memcpy(__entry->uuid, c->sb.set_uuid, 16);
200 ),
201
202 TP_printk("%pU", __entry->uuid)
203);
204
205DEFINE_EVENT(bkey, bcache_journal_replay_key,
206 TP_PROTO(struct bkey *k),
207 TP_ARGS(k)
208);
209
210DEFINE_EVENT(cache_set, bcache_journal_full,
211 TP_PROTO(struct cache_set *c),
212 TP_ARGS(c)
213);
214
215DEFINE_EVENT(cache_set, bcache_journal_entry_full,
216 TP_PROTO(struct cache_set *c),
217 TP_ARGS(c)
218);
219
220DEFINE_EVENT(bcache_bio, bcache_journal_write,
221 TP_PROTO(struct bio *bio),
222 TP_ARGS(bio)
223);
224
225/* Btree */
226
227DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize,
228 TP_PROTO(struct cache_set *c),
229 TP_ARGS(c)
230);
231
232DEFINE_EVENT(btree_node, bcache_btree_read,
233 TP_PROTO(struct btree *b),
234 TP_ARGS(b)
235);
236
237TRACE_EVENT(bcache_btree_write,
238 TP_PROTO(struct btree *b),
239 TP_ARGS(b),
240
241 TP_STRUCT__entry(
242 __field(size_t, bucket )
243 __field(unsigned, block )
244 __field(unsigned, keys )
245 ),
246
247 TP_fast_assign(
248 __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
249 __entry->block = b->written;
250 __entry->keys = b->keys.set[b->keys.nsets].data->keys;
251 ),
252
253 TP_printk("bucket %zu", __entry->bucket)
254);
255
256DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
257 TP_PROTO(struct btree *b),
258 TP_ARGS(b)
259);
260
261DEFINE_EVENT(btree_node, bcache_btree_node_alloc_fail,
262 TP_PROTO(struct btree *b),
263 TP_ARGS(b)
264);
265
266DEFINE_EVENT(btree_node, bcache_btree_node_free,
267 TP_PROTO(struct btree *b),
268 TP_ARGS(b)
269);
270
271TRACE_EVENT(bcache_btree_gc_coalesce,
272 TP_PROTO(unsigned nodes),
273 TP_ARGS(nodes),
274
275 TP_STRUCT__entry(
276 __field(unsigned, nodes )
277 ),
278
279 TP_fast_assign(
280 __entry->nodes = nodes;
281 ),
282
283 TP_printk("coalesced %u nodes", __entry->nodes)
284);
285
286DEFINE_EVENT(cache_set, bcache_gc_start,
287 TP_PROTO(struct cache_set *c),
288 TP_ARGS(c)
289);
290
291DEFINE_EVENT(cache_set, bcache_gc_end,
292 TP_PROTO(struct cache_set *c),
293 TP_ARGS(c)
294);
295
296DEFINE_EVENT(bkey, bcache_gc_copy,
297 TP_PROTO(struct bkey *k),
298 TP_ARGS(k)
299);
300
301DEFINE_EVENT(bkey, bcache_gc_copy_collision,
302 TP_PROTO(struct bkey *k),
303 TP_ARGS(k)
304);
305
306TRACE_EVENT(bcache_btree_insert_key,
307 TP_PROTO(struct btree *b, struct bkey *k, unsigned op, unsigned status),
308 TP_ARGS(b, k, op, status),
309
310 TP_STRUCT__entry(
311 __field(u64, btree_node )
312 __field(u32, btree_level )
313 __field(u32, inode )
314 __field(u64, offset )
315 __field(u32, size )
316 __field(u8, dirty )
317 __field(u8, op )
318 __field(u8, status )
319 ),
320
321 TP_fast_assign(
322 __entry->btree_node = PTR_BUCKET_NR(b->c, &b->key, 0);
323 __entry->btree_level = b->level;
324 __entry->inode = KEY_INODE(k);
325 __entry->offset = KEY_OFFSET(k);
326 __entry->size = KEY_SIZE(k);
327 __entry->dirty = KEY_DIRTY(k);
328 __entry->op = op;
329 __entry->status = status;
330 ),
331
332 TP_printk("%u for %u at %llu(%u): %u:%llu len %u dirty %u",
333 __entry->status, __entry->op,
334 __entry->btree_node, __entry->btree_level,
335 __entry->inode, __entry->offset,
336 __entry->size, __entry->dirty)
337);
338
339DECLARE_EVENT_CLASS(btree_split,
340 TP_PROTO(struct btree *b, unsigned keys),
341 TP_ARGS(b, keys),
342
343 TP_STRUCT__entry(
344 __field(size_t, bucket )
345 __field(unsigned, keys )
346 ),
347
348 TP_fast_assign(
349 __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
350 __entry->keys = keys;
351 ),
352
353 TP_printk("bucket %zu keys %u", __entry->bucket, __entry->keys)
354);
355
356DEFINE_EVENT(btree_split, bcache_btree_node_split,
357 TP_PROTO(struct btree *b, unsigned keys),
358 TP_ARGS(b, keys)
359);
360
361DEFINE_EVENT(btree_split, bcache_btree_node_compact,
362 TP_PROTO(struct btree *b, unsigned keys),
363 TP_ARGS(b, keys)
364);
365
366DEFINE_EVENT(btree_node, bcache_btree_set_root,
367 TP_PROTO(struct btree *b),
368 TP_ARGS(b)
369);
370
371TRACE_EVENT(bcache_keyscan,
372 TP_PROTO(unsigned nr_found,
373 unsigned start_inode, uint64_t start_offset,
374 unsigned end_inode, uint64_t end_offset),
375 TP_ARGS(nr_found,
376 start_inode, start_offset,
377 end_inode, end_offset),
378
379 TP_STRUCT__entry(
380 __field(__u32, nr_found )
381 __field(__u32, start_inode )
382 __field(__u64, start_offset )
383 __field(__u32, end_inode )
384 __field(__u64, end_offset )
385 ),
386
387 TP_fast_assign(
388 __entry->nr_found = nr_found;
389 __entry->start_inode = start_inode;
390 __entry->start_offset = start_offset;
391 __entry->end_inode = end_inode;
392 __entry->end_offset = end_offset;
393 ),
394
395 TP_printk("found %u keys from %u:%llu to %u:%llu", __entry->nr_found,
396 __entry->start_inode, __entry->start_offset,
397 __entry->end_inode, __entry->end_offset)
398);
399
400/* Allocator */
401
402TRACE_EVENT(bcache_invalidate,
403 TP_PROTO(struct cache *ca, size_t bucket),
404 TP_ARGS(ca, bucket),
405
406 TP_STRUCT__entry(
407 __field(unsigned, sectors )
408 __field(dev_t, dev )
409 __field(__u64, offset )
410 ),
411
412 TP_fast_assign(
413 __entry->dev = ca->bdev->bd_dev;
414 __entry->offset = bucket << ca->set->bucket_bits;
415 __entry->sectors = GC_SECTORS_USED(&ca->buckets[bucket]);
416 ),
417
418 TP_printk("invalidated %u sectors at %d,%d sector=%llu",
419 __entry->sectors, MAJOR(__entry->dev),
420 MINOR(__entry->dev), __entry->offset)
421);
422
423TRACE_EVENT(bcache_alloc,
424 TP_PROTO(struct cache *ca, size_t bucket),
425 TP_ARGS(ca, bucket),
426
427 TP_STRUCT__entry(
428 __field(dev_t, dev )
429 __field(__u64, offset )
430 ),
431
432 TP_fast_assign(
433 __entry->dev = ca->bdev->bd_dev;
434 __entry->offset = bucket << ca->set->bucket_bits;
435 ),
436
437 TP_printk("allocated %d,%d sector=%llu", MAJOR(__entry->dev),
438 MINOR(__entry->dev), __entry->offset)
439);
440
441TRACE_EVENT(bcache_alloc_fail,
442 TP_PROTO(struct cache *ca, unsigned reserve),
443 TP_ARGS(ca, reserve),
444
445 TP_STRUCT__entry(
446 __field(dev_t, dev )
447 __field(unsigned, free )
448 __field(unsigned, free_inc )
449 __field(unsigned, blocked )
450 ),
451
452 TP_fast_assign(
453 __entry->dev = ca->bdev->bd_dev;
454 __entry->free = fifo_used(&ca->free[reserve]);
455 __entry->free_inc = fifo_used(&ca->free_inc);
456 __entry->blocked = atomic_read(&ca->set->prio_blocked);
457 ),
458
459 TP_printk("alloc fail %d,%d free %u free_inc %u blocked %u",
460 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->free,
461 __entry->free_inc, __entry->blocked)
462);
463
464/* Background writeback */
465
466DEFINE_EVENT(bkey, bcache_writeback,
467 TP_PROTO(struct bkey *k),
468 TP_ARGS(k)
469);
470
471DEFINE_EVENT(bkey, bcache_writeback_collision,
472 TP_PROTO(struct bkey *k),
473 TP_ARGS(k)
474);
475
476#endif /* _TRACE_BCACHE_H */
477
478/* This part must be outside protection */
479#include <trace/define_trace.h>