040000 tree 1b437d591e8447a5c2faf7e9c41190d6e4f7c9bf	common
040000 tree a9604660229641b345d23c32001ea7a8afda6407	config
040000 tree 299a5b5d08265ac17a5e2246c8f1c7f7c86d88ff	ipc
040000 tree af4562df5364c0c9c19cc7ea84d4d4c50ca080ab	trace