$ mackerel-plugin-loadavg
loadavg.loadavg15 4.72802734375 1506823200
loadavg.loadavg5 5.9365234375 1506823200
loadavg.loadavg1 5.6328125 1506823200
$ uptime
11:00 up 9 days, 17:56, 5 users, load averages: 5.63 5.94 4.73
itchyny (https://github.com/itchyny)
This software is released under the MIT License, see LICENSE.