---
name: "jack_lsp"
section: "1"
platform: "linux"
package: "jack-example-tools"
version: "4-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/jack_lsp"
---

# jack\_lsp(1)

JACK toolkit client to list information on ports

## NAME

jack\_lsp - JACK toolkit client to list information on ports

## SYNOPSIS

**jack\_lsp** \[ *-s* \| *--server* servername \] \[ *-AclLptvh* \]

## DESCRIPTION

**jack\_lsp** lists all known ports associated with a JACK server. It can also optionally list various kinds of information about each port.

## OPTIONS

- **-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