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Diffstat (limited to 'include/trace/events')
-rw-r--r--include/trace/events/block.h45
1 files changed, 34 insertions, 11 deletions
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 8a168db9a64..b408f518a81 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -241,11 +241,11 @@ TRACE_EVENT(block_bio_complete,
__entry->nr_sector, __entry->error)
);
-DECLARE_EVENT_CLASS(block_bio,
+DECLARE_EVENT_CLASS(block_bio_merge,
- TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
- TP_ARGS(q, bio),
+ TP_ARGS(q, rq, bio),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -272,31 +272,33 @@ DECLARE_EVENT_CLASS(block_bio,
/**
* block_bio_backmerge - merging block operation to the end of an existing operation
* @q: queue holding operation
+ * @rq: request bio is being merged into
* @bio: new block operation to merge
*
* Merging block request @bio to the end of an existing block request
* in queue @q.
*/
-DEFINE_EVENT(block_bio, block_bio_backmerge,
+DEFINE_EVENT(block_bio_merge, block_bio_backmerge,
- TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
- TP_ARGS(q, bio)
+ TP_ARGS(q, rq, bio)
);
/**
* block_bio_frontmerge - merging block operation to the beginning of an existing operation
* @q: queue holding operation
+ * @rq: request bio is being merged into
* @bio: new block operation to merge
*
* Merging block IO operation @bio to the beginning of an existing block
* operation in queue @q.
*/
-DEFINE_EVENT(block_bio, block_bio_frontmerge,
+DEFINE_EVENT(block_bio_merge, block_bio_frontmerge,
- TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
- TP_ARGS(q, bio)
+ TP_ARGS(q, rq, bio)
);
/**
@@ -306,11 +308,32 @@ DEFINE_EVENT(block_bio, block_bio_frontmerge,
*
* About to place the block IO operation @bio into queue @q.
*/
-DEFINE_EVENT(block_bio, block_bio_queue,
+TRACE_EVENT(block_bio_queue,
TP_PROTO(struct request_queue *q, struct bio *bio),
- TP_ARGS(q, bio)
+ TP_ARGS(q, bio),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( sector_t, sector )
+ __field( unsigned int, nr_sector )
+ __array( char, rwbs, RWBS_LEN )
+ __array( char, comm, TASK_COMM_LEN )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = bio->bi_bdev->bd_dev;
+ __entry->sector = bio->bi_sector;
+ __entry->nr_sector = bio->bi_size >> 9;
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
+ ),
+
+ TP_printk("%d,%d %s %llu + %u [%s]",
+ MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
+ (unsigned long long)__entry->sector,
+ __entry->nr_sector, __entry->comm)
);
DECLARE_EVENT_CLASS(block_get_rq,