USBMON

A tool to enumerate, list and monitor USB devices connected to a Linux host.

Print a list of connected devices with USB path, properties and speed
Monitor udev events such as connect or disconnect and print them with a timestamp
Collectd plugin mode

Requirements

requires libudev-dev

usbmon [-n][-c]
  -n do not monitor events
  -c collectd exec plugin mode

Usbmon can operate as collectd exec plugin.

Add a new type to /usr/share/collectd/types.db:

usb_devices             connected:GAUGE:0:U, adds:COUNTER:U:U, removes:COUNTER:U:U

Create exec plugin config file, /etc/collectd/collectd.conf.d/usbmon.conf:

LoadPlugin Exec
<Plugin exec>
  Exec "nobody" "/var/lib/collectd/plugins/usbmon" "-c"
</Plugin>

Install usbmon in the plugins directory and restart collectd.

Apache 2.0

This is not an official Google product.