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bcache: print written and keys in trace_bcache_btree_write

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It's useful to dump written block and keys on btree write, this patch
add them into trace_bcache_btree_write.

Signed-off-by: Guoju Fang <fangguoju@gmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Guoju Fang 2020-01-24 01:01:38 +08:00 committed by Jens Axboe
parent 2aa8c52938
commit d44330b7f1
1 changed files with 2 additions and 1 deletions
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3
include/trace/events/bcache.h
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@ -275,7 +275,8 @@ TRACE_EVENT(bcache_btree_write,
__entry->keys = b->keys.set[b->keys.nsets].data->keys;
),
TP_printk("bucket %zu", __entry->bucket)
TP_printk("bucket %zu written block %u + %u",
__entry->bucket, __entry->block, __entry->keys)
);
DEFINE_EVENT(btree_node, bcache_btree_node_alloc,