The sysutils/symon port
symon-2.91 – active host monitoring tool (cvsweb github mirror)
Description
symon is a lightweight system monitor that measures cpu, memory, interface and disk statistics every 5 seconds. This information is then spooled over the network to symux (packaged separately) for further processing.WWW: https://github.com/dijkstrw/symon
Maintainer
The OpenBSD ports mailing-list