Commit d44330b7 authored Jan 24, 2020 by Guoju Fang Committed by Jens Axboe Jan 23, 2020

bcache: print written and keys in trace_bcache_btree_write



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>

parent 2aa8c529

include/trace/events/bcache.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -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,

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