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[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / include / trace / events / bcache.h
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
9 DECLARE_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_sector;
28 __entry->orig_sector = bio->bi_sector - 16;
29 __entry->nr_sector = bio->bi_size >> 9;
30 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->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
40 DECLARE_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
62 DECLARE_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
79 DEFINE_EVENT(bcache_request, bcache_request_start,
80 TP_PROTO(struct bcache_device *d, struct bio *bio),
81 TP_ARGS(d, bio)
82 );
83
84 DEFINE_EVENT(bcache_request, bcache_request_end,
85 TP_PROTO(struct bcache_device *d, struct bio *bio),
86 TP_ARGS(d, bio)
87 );
88
89 DECLARE_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_sector;
103 __entry->nr_sector = bio->bi_size >> 9;
104 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->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
112 DEFINE_EVENT(bcache_bio, bcache_bypass_sequential,
113 TP_PROTO(struct bio *bio),
114 TP_ARGS(bio)
115 );
116
117 DEFINE_EVENT(bcache_bio, bcache_bypass_congested,
118 TP_PROTO(struct bio *bio),
119 TP_ARGS(bio)
120 );
121
122 TRACE_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_sector;
138 __entry->nr_sector = bio->bi_size >> 9;
139 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->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
150 TRACE_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_sector;
166 __entry->nr_sector = bio->bi_size >> 9;
167 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->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
178 DEFINE_EVENT(bcache_bio, bcache_read_retry,
179 TP_PROTO(struct bio *bio),
180 TP_ARGS(bio)
181 );
182
183 DEFINE_EVENT(bkey, bcache_cache_insert,
184 TP_PROTO(struct bkey *k),
185 TP_ARGS(k)
186 );
187
188 /* Journal */
189
190 DECLARE_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
205 DEFINE_EVENT(bkey, bcache_journal_replay_key,
206 TP_PROTO(struct bkey *k),
207 TP_ARGS(k)
208 );
209
210 DEFINE_EVENT(cache_set, bcache_journal_full,
211 TP_PROTO(struct cache_set *c),
212 TP_ARGS(c)
213 );
214
215 DEFINE_EVENT(cache_set, bcache_journal_entry_full,
216 TP_PROTO(struct cache_set *c),
217 TP_ARGS(c)
218 );
219
220 DEFINE_EVENT(bcache_bio, bcache_journal_write,
221 TP_PROTO(struct bio *bio),
222 TP_ARGS(bio)
223 );
224
225 /* Btree */
226
227 DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize,
228 TP_PROTO(struct cache_set *c),
229 TP_ARGS(c)
230 );
231
232 DEFINE_EVENT(btree_node, bcache_btree_read,
233 TP_PROTO(struct btree *b),
234 TP_ARGS(b)
235 );
236
237 TRACE_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->sets[b->nsets].data->keys;
251 ),
252
253 TP_printk("bucket %zu", __entry->bucket)
254 );
255
256 DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
257 TP_PROTO(struct btree *b),
258 TP_ARGS(b)
259 );
260
261 DEFINE_EVENT(btree_node, bcache_btree_node_alloc_fail,
262 TP_PROTO(struct btree *b),
263 TP_ARGS(b)
264 );
265
266 DEFINE_EVENT(btree_node, bcache_btree_node_free,
267 TP_PROTO(struct btree *b),
268 TP_ARGS(b)
269 );
270
271 TRACE_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
286 DEFINE_EVENT(cache_set, bcache_gc_start,
287 TP_PROTO(struct cache_set *c),
288 TP_ARGS(c)
289 );
290
291 DEFINE_EVENT(cache_set, bcache_gc_end,
292 TP_PROTO(struct cache_set *c),
293 TP_ARGS(c)
294 );
295
296 DEFINE_EVENT(bkey, bcache_gc_copy,
297 TP_PROTO(struct bkey *k),
298 TP_ARGS(k)
299 );
300
301 DEFINE_EVENT(bkey, bcache_gc_copy_collision,
302 TP_PROTO(struct bkey *k),
303 TP_ARGS(k)
304 );
305
306 TRACE_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
339 DECLARE_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
356 DEFINE_EVENT(btree_split, bcache_btree_node_split,
357 TP_PROTO(struct btree *b, unsigned keys),
358 TP_ARGS(b, keys)
359 );
360
361 DEFINE_EVENT(btree_split, bcache_btree_node_compact,
362 TP_PROTO(struct btree *b, unsigned keys),
363 TP_ARGS(b, keys)
364 );
365
366 DEFINE_EVENT(btree_node, bcache_btree_set_root,
367 TP_PROTO(struct btree *b),
368 TP_ARGS(b)
369 );
370
371 TRACE_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
402 TRACE_EVENT(bcache_alloc_invalidate,
403 TP_PROTO(struct cache *ca),
404 TP_ARGS(ca),
405
406 TP_STRUCT__entry(
407 __field(unsigned, free )
408 __field(unsigned, free_inc )
409 __field(unsigned, free_inc_size )
410 __field(unsigned, unused )
411 ),
412
413 TP_fast_assign(
414 __entry->free = fifo_used(&ca->free);
415 __entry->free_inc = fifo_used(&ca->free_inc);
416 __entry->free_inc_size = ca->free_inc.size;
417 __entry->unused = fifo_used(&ca->unused);
418 ),
419
420 TP_printk("free %u free_inc %u/%u unused %u", __entry->free,
421 __entry->free_inc, __entry->free_inc_size, __entry->unused)
422 );
423
424 TRACE_EVENT(bcache_alloc_fail,
425 TP_PROTO(struct cache *ca),
426 TP_ARGS(ca),
427
428 TP_STRUCT__entry(
429 __field(unsigned, free )
430 __field(unsigned, free_inc )
431 __field(unsigned, unused )
432 __field(unsigned, blocked )
433 ),
434
435 TP_fast_assign(
436 __entry->free = fifo_used(&ca->free);
437 __entry->free_inc = fifo_used(&ca->free_inc);
438 __entry->unused = fifo_used(&ca->unused);
439 __entry->blocked = atomic_read(&ca->set->prio_blocked);
440 ),
441
442 TP_printk("free %u free_inc %u unused %u blocked %u", __entry->free,
443 __entry->free_inc, __entry->unused, __entry->blocked)
444 );
445
446 /* Background writeback */
447
448 DEFINE_EVENT(bkey, bcache_writeback,
449 TP_PROTO(struct bkey *k),
450 TP_ARGS(k)
451 );
452
453 DEFINE_EVENT(bkey, bcache_writeback_collision,
454 TP_PROTO(struct bkey *k),
455 TP_ARGS(k)
456 );
457
458 #endif /* _TRACE_BCACHE_H */
459
460 /* This part must be outside protection */
461 #include <trace/define_trace.h>