Remove block_bio_bounce trace event which shares the code with block_bio.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulka...@wdc.com>
---
include/trace/events/block.h | 56 ++++++++++++------------------------
1 file changed, 18 insertions(+), 38 deletions(-)
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 5e9f46469f50..d7289576f1fd 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -221,44 +221,6 @@ DEFINE_EVENT(block_rq, block_rq_merge,
TP_ARGS(rq)
);
-/**
- * block_bio_bounce - used bounce buffer when processing block operation
- * @bio: block operation
- *
- * A bounce buffer was used to handle the block operation @bio in queue.
- * This occurs when hardware limitations prevent a direct transfer of
- * data between the @bio data memory area and the IO device. Use of a
- * bounce buffer requires extra copying of data and decreases
- * performance.
- */
-TRACE_EVENT(block_bio_bounce,
-
- TP_PROTO(struct bio *bio),
-
- TP_ARGS(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_dev(bio);
- __entry->sector = bio->bi_iter.bi_sector;
- __entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.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)
-);
-
/**
* block_bio_complete - completed all work on the block operation
* @q: queue holding the block operation
@@ -351,6 +313,24 @@ DEFINE_EVENT(block_bio, block_bio_frontmerge,
TP_ARGS(bio)
);
+/**
+ * block_bio_bounce - used bounce buffer when processing block operation
+ * @bio: block operation
+ *
+ * A bounce buffer was used to handle the block operation @bio in queue.
+ * This occurs when hardware limitations prevent a direct transfer of
+ * data between the @bio data memory area and the IO device. Use of a
+ * bounce buffer requires extra copying of data and decreases
+ * performance.
+ */
+
+DEFINE_EVENT(block_bio, block_bio_bounce,
+
+ TP_PROTO(struct bio *bio),
+
+ TP_ARGS(bio)
+);
+
/**
* block_bio_queue - putting new block IO operation in queue
* @bio: new block operation
--
2.26.0
--
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