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fix jiffies_credit_update in alloc_conn (reported by Sohail Qayum Malik)
[cor_2_6_31.git] / include / trace / events / block.h
blob9a74b468a2291dd19e0ee3b8ad364943b3a8b4bb
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM block
3
4 #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_BLOCK_H
6
7 #include <linux/blktrace_api.h>
8 #include <linux/blkdev.h>
9 #include <linux/tracepoint.h>
10
11 TRACE_EVENT(block_rq_abort,
12
13 TP_PROTO(struct request_queue *q, struct request *rq),
14
15 TP_ARGS(q, rq),
16
17 TP_STRUCT__entry(
18 __field( dev_t, dev )
19 __field( sector_t, sector )
20 __field( unsigned int, nr_sector )
21 __field( int, errors )
22 __array( char, rwbs, 6 )
23 __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
24 ),
25
26 TP_fast_assign(
27 __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
28 __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
29 __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
30 __entry->errors = rq->errors;
31
32 blk_fill_rwbs_rq(__entry->rwbs, rq);
33 blk_dump_cmd(__get_str(cmd), rq);
34 ),
35
36 TP_printk("%d,%d %s (%s) %llu + %u [%d]",
37 MAJOR(__entry->dev), MINOR(__entry->dev),
38 __entry->rwbs, __get_str(cmd),
39 (unsigned long long)__entry->sector,
40 __entry->nr_sector, __entry->errors)
41 );
42
43 TRACE_EVENT(block_rq_insert,
44
45 TP_PROTO(struct request_queue *q, struct request *rq),
46
47 TP_ARGS(q, rq),
48
49 TP_STRUCT__entry(
50 __field( dev_t, dev )
51 __field( sector_t, sector )
52 __field( unsigned int, nr_sector )
53 __field( unsigned int, bytes )
54 __array( char, rwbs, 6 )
55 __array( char, comm, TASK_COMM_LEN )
56 __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
57 ),
58
59 TP_fast_assign(
60 __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
61 __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
62 __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
63 __entry->bytes = blk_pc_request(rq) ? blk_rq_bytes(rq) : 0;
64
65 blk_fill_rwbs_rq(__entry->rwbs, rq);
66 blk_dump_cmd(__get_str(cmd), rq);
67 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
68 ),
69
70 TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
71 MAJOR(__entry->dev), MINOR(__entry->dev),
72 __entry->rwbs, __entry->bytes, __get_str(cmd),
73 (unsigned long long)__entry->sector,
74 __entry->nr_sector, __entry->comm)
75 );
76
77 TRACE_EVENT(block_rq_issue,
78
79 TP_PROTO(struct request_queue *q, struct request *rq),
80
81 TP_ARGS(q, rq),
82
83 TP_STRUCT__entry(
84 __field( dev_t, dev )
85 __field( sector_t, sector )
86 __field( unsigned int, nr_sector )
87 __field( unsigned int, bytes )
88 __array( char, rwbs, 6 )
89 __array( char, comm, TASK_COMM_LEN )
90 __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
91 ),
92
93 TP_fast_assign(
94 __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
95 __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
96 __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
97 __entry->bytes = blk_pc_request(rq) ? blk_rq_bytes(rq) : 0;
98
99 blk_fill_rwbs_rq(__entry->rwbs, rq);
100 blk_dump_cmd(__get_str(cmd), rq);
101 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
102 ),
103
104 TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
105 MAJOR(__entry->dev), MINOR(__entry->dev),
106 __entry->rwbs, __entry->bytes, __get_str(cmd),
107 (unsigned long long)__entry->sector,
108 __entry->nr_sector, __entry->comm)
109 );
110
111 TRACE_EVENT(block_rq_requeue,
112
113 TP_PROTO(struct request_queue *q, struct request *rq),
114
115 TP_ARGS(q, rq),
116
117 TP_STRUCT__entry(
118 __field( dev_t, dev )
119 __field( sector_t, sector )
120 __field( unsigned int, nr_sector )
121 __field( int, errors )
122 __array( char, rwbs, 6 )
123 __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
124 ),
125
126 TP_fast_assign(
127 __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
128 __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
129 __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
130 __entry->errors = rq->errors;
131
132 blk_fill_rwbs_rq(__entry->rwbs, rq);
133 blk_dump_cmd(__get_str(cmd), rq);
134 ),
135
136 TP_printk("%d,%d %s (%s) %llu + %u [%d]",
137 MAJOR(__entry->dev), MINOR(__entry->dev),
138 __entry->rwbs, __get_str(cmd),
139 (unsigned long long)__entry->sector,
140 __entry->nr_sector, __entry->errors)
141 );
142
143 TRACE_EVENT(block_rq_complete,
144
145 TP_PROTO(struct request_queue *q, struct request *rq),
146
147 TP_ARGS(q, rq),
148
149 TP_STRUCT__entry(
150 __field( dev_t, dev )
151 __field( sector_t, sector )
152 __field( unsigned int, nr_sector )
153 __field( int, errors )
154 __array( char, rwbs, 6 )
155 __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
156 ),
157
158 TP_fast_assign(
159 __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
160 __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
161 __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
162 __entry->errors = rq->errors;
163
164 blk_fill_rwbs_rq(__entry->rwbs, rq);
165 blk_dump_cmd(__get_str(cmd), rq);
166 ),
167
168 TP_printk("%d,%d %s (%s) %llu + %u [%d]",
169 MAJOR(__entry->dev), MINOR(__entry->dev),
170 __entry->rwbs, __get_str(cmd),
171 (unsigned long long)__entry->sector,
172 __entry->nr_sector, __entry->errors)
173 );
174 TRACE_EVENT(block_bio_bounce,
175
176 TP_PROTO(struct request_queue *q, struct bio *bio),
177
178 TP_ARGS(q, bio),
179
180 TP_STRUCT__entry(
181 __field( dev_t, dev )
182 __field( sector_t, sector )
183 __field( unsigned int, nr_sector )
184 __array( char, rwbs, 6 )
185 __array( char, comm, TASK_COMM_LEN )
186 ),
187
188 TP_fast_assign(
189 __entry->dev = bio->bi_bdev->bd_dev;
190 __entry->sector = bio->bi_sector;
191 __entry->nr_sector = bio->bi_size >> 9;
192 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
193 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
194 ),
195
196 TP_printk("%d,%d %s %llu + %u [%s]",
197 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
198 (unsigned long long)__entry->sector,
199 __entry->nr_sector, __entry->comm)
200 );
201
202 TRACE_EVENT(block_bio_complete,
203
204 TP_PROTO(struct request_queue *q, struct bio *bio),
205
206 TP_ARGS(q, bio),
207
208 TP_STRUCT__entry(
209 __field( dev_t, dev )
210 __field( sector_t, sector )
211 __field( unsigned, nr_sector )
212 __field( int, error )
213 __array( char, rwbs, 6 )
214 ),
215
216 TP_fast_assign(
217 __entry->dev = bio->bi_bdev->bd_dev;
218 __entry->sector = bio->bi_sector;
219 __entry->nr_sector = bio->bi_size >> 9;
220 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
221 ),
222
223 TP_printk("%d,%d %s %llu + %u [%d]",
224 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
225 (unsigned long long)__entry->sector,
226 __entry->nr_sector, __entry->error)
227 );
228
229 TRACE_EVENT(block_bio_backmerge,
230
231 TP_PROTO(struct request_queue *q, struct bio *bio),
232
233 TP_ARGS(q, bio),
234
235 TP_STRUCT__entry(
236 __field( dev_t, dev )
237 __field( sector_t, sector )
238 __field( unsigned int, nr_sector )
239 __array( char, rwbs, 6 )
240 __array( char, comm, TASK_COMM_LEN )
241 ),
242
243 TP_fast_assign(
244 __entry->dev = bio->bi_bdev->bd_dev;
245 __entry->sector = bio->bi_sector;
246 __entry->nr_sector = bio->bi_size >> 9;
247 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
248 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
249 ),
250
251 TP_printk("%d,%d %s %llu + %u [%s]",
252 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
253 (unsigned long long)__entry->sector,
254 __entry->nr_sector, __entry->comm)
255 );
256
257 TRACE_EVENT(block_bio_frontmerge,
258
259 TP_PROTO(struct request_queue *q, struct bio *bio),
260
261 TP_ARGS(q, bio),
262
263 TP_STRUCT__entry(
264 __field( dev_t, dev )
265 __field( sector_t, sector )
266 __field( unsigned, nr_sector )
267 __array( char, rwbs, 6 )
268 __array( char, comm, TASK_COMM_LEN )
269 ),
270
271 TP_fast_assign(
272 __entry->dev = bio->bi_bdev->bd_dev;
273 __entry->sector = bio->bi_sector;
274 __entry->nr_sector = bio->bi_size >> 9;
275 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
276 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
277 ),
278
279 TP_printk("%d,%d %s %llu + %u [%s]",
280 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
281 (unsigned long long)__entry->sector,
282 __entry->nr_sector, __entry->comm)
283 );
284
285 TRACE_EVENT(block_bio_queue,
286
287 TP_PROTO(struct request_queue *q, struct bio *bio),
288
289 TP_ARGS(q, bio),
290
291 TP_STRUCT__entry(
292 __field( dev_t, dev )
293 __field( sector_t, sector )
294 __field( unsigned int, nr_sector )
295 __array( char, rwbs, 6 )
296 __array( char, comm, TASK_COMM_LEN )
297 ),
298
299 TP_fast_assign(
300 __entry->dev = bio->bi_bdev->bd_dev;
301 __entry->sector = bio->bi_sector;
302 __entry->nr_sector = bio->bi_size >> 9;
303 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
304 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
305 ),
306
307 TP_printk("%d,%d %s %llu + %u [%s]",
308 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
309 (unsigned long long)__entry->sector,
310 __entry->nr_sector, __entry->comm)
311 );
312
313 TRACE_EVENT(block_getrq,
314
315 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
316
317 TP_ARGS(q, bio, rw),
318
319 TP_STRUCT__entry(
320 __field( dev_t, dev )
321 __field( sector_t, sector )
322 __field( unsigned int, nr_sector )
323 __array( char, rwbs, 6 )
324 __array( char, comm, TASK_COMM_LEN )
325 ),
326
327 TP_fast_assign(
328 __entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
329 __entry->sector = bio ? bio->bi_sector : 0;
330 __entry->nr_sector = bio ? bio->bi_size >> 9 : 0;
331 blk_fill_rwbs(__entry->rwbs,
332 bio ? bio->bi_rw : 0, __entry->nr_sector);
333 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
334 ),
335
336 TP_printk("%d,%d %s %llu + %u [%s]",
337 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
338 (unsigned long long)__entry->sector,
339 __entry->nr_sector, __entry->comm)
340 );
341
342 TRACE_EVENT(block_sleeprq,
343
344 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
345
346 TP_ARGS(q, bio, rw),
347
348 TP_STRUCT__entry(
349 __field( dev_t, dev )
350 __field( sector_t, sector )
351 __field( unsigned int, nr_sector )
352 __array( char, rwbs, 6 )
353 __array( char, comm, TASK_COMM_LEN )
354 ),
355
356 TP_fast_assign(
357 __entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
358 __entry->sector = bio ? bio->bi_sector : 0;
359 __entry->nr_sector = bio ? bio->bi_size >> 9 : 0;
360 blk_fill_rwbs(__entry->rwbs,
361 bio ? bio->bi_rw : 0, __entry->nr_sector);
362 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
363 ),
364
365 TP_printk("%d,%d %s %llu + %u [%s]",
366 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
367 (unsigned long long)__entry->sector,
368 __entry->nr_sector, __entry->comm)
369 );
370
371 TRACE_EVENT(block_plug,
372
373 TP_PROTO(struct request_queue *q),
374
375 TP_ARGS(q),
376
377 TP_STRUCT__entry(
378 __array( char, comm, TASK_COMM_LEN )
379 ),
380
381 TP_fast_assign(
382 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
383 ),
384
385 TP_printk("[%s]", __entry->comm)
386 );
387
388 TRACE_EVENT(block_unplug_timer,
389
390 TP_PROTO(struct request_queue *q),
391
392 TP_ARGS(q),
393
394 TP_STRUCT__entry(
395 __field( int, nr_rq )
396 __array( char, comm, TASK_COMM_LEN )
397 ),
398
399 TP_fast_assign(
400 __entry->nr_rq = q->rq.count[READ] + q->rq.count[WRITE];
401 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
402 ),
403
404 TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
405 );
406
407 TRACE_EVENT(block_unplug_io,
408
409 TP_PROTO(struct request_queue *q),
410
411 TP_ARGS(q),
412
413 TP_STRUCT__entry(
414 __field( int, nr_rq )
415 __array( char, comm, TASK_COMM_LEN )
416 ),
417
418 TP_fast_assign(
419 __entry->nr_rq = q->rq.count[READ] + q->rq.count[WRITE];
420 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
421 ),
422
423 TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
424 );
425
426 TRACE_EVENT(block_split,
427
428 TP_PROTO(struct request_queue *q, struct bio *bio,
429 unsigned int new_sector),
430
431 TP_ARGS(q, bio, new_sector),
432
433 TP_STRUCT__entry(
434 __field( dev_t, dev )
435 __field( sector_t, sector )
436 __field( sector_t, new_sector )
437 __array( char, rwbs, 6 )
438 __array( char, comm, TASK_COMM_LEN )
439 ),
440
441 TP_fast_assign(
442 __entry->dev = bio->bi_bdev->bd_dev;
443 __entry->sector = bio->bi_sector;
444 __entry->new_sector = new_sector;
445 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
446 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
447 ),
448
449 TP_printk("%d,%d %s %llu / %llu [%s]",
450 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
451 (unsigned long long)__entry->sector,
452 (unsigned long long)__entry->new_sector,
453 __entry->comm)
454 );
455
456 TRACE_EVENT(block_remap,
457
458 TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
459 sector_t from),
460
461 TP_ARGS(q, bio, dev, from),
462
463 TP_STRUCT__entry(
464 __field( dev_t, dev )
465 __field( sector_t, sector )
466 __field( unsigned int, nr_sector )
467 __field( dev_t, old_dev )
468 __field( sector_t, old_sector )
469 __array( char, rwbs, 6 )
470 ),
471
472 TP_fast_assign(
473 __entry->dev = bio->bi_bdev->bd_dev;
474 __entry->sector = bio->bi_sector;
475 __entry->nr_sector = bio->bi_size >> 9;
476 __entry->old_dev = dev;
477 __entry->old_sector = from;
478 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
479 ),
480
481 TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
482 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
483 (unsigned long long)__entry->sector,
484 __entry->nr_sector,
485 MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
486 (unsigned long long)__entry->old_sector)
487 );
488
489 #endif /* _TRACE_BLOCK_H */
490
491 /* This part must be outside protection */
492 #include <trace/define_trace.h>
493
connection oriented routing - ARCHIVE NO UPDATES HERE