Jack toolkit client to list informtion on ports
jack_lsp [ -s | --server servername ] [ -AclLptvh ]
jack_lsp lists all known ports associated with a JACK server. It can also optionally list various kinds of information about each port.
-s, --server servername
Connect to the jack server named servername
-A, --aliases
List aliases for each port
-c, --connections
List connections to/from each port
-l, --latency
Display per-port latency in frames at each port
-L, --latency
Display total latency in frames at each port
-p, --properties
Display port properties. Output may include input|output, can-monitor, physical, terminal
-t, --type
Display port type
-h, --help
Display help/usage message
-v, --version
Output version information and exit