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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>
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@ -275,7 +275,8 @@ TRACE_EVENT(bcache_btree_write,
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__entry->keys = b->keys.set[b->keys.nsets].data->keys;
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),
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TP_printk("bucket %zu", __entry->bucket)
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TP_printk("bucket %zu written block %u + %u",
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__entry->bucket, __entry->block, __entry->keys)
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);
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DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
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