How to monitor Windows performance counters

This “how-to” covers how to monitor and graph a Windows performance counter in op5 Monitor.

Monitoring the performance counter Copied

In perfmon, select a performance counter that you want to monitor and/or graph. In this example we monitor and graph the following performance counter:

Performance object: Terminal Services Session Instance: Console counter: Thread Count

Request the counter-value from command-line to verify access and to examine the returned data:

## /opt/plugins/check_nt -H 192.168.1.8 -v COUNTER -l "Terminal Services Session(Console)Thread Count"

20

(in this example the returned value is an integer with a value of 20)

To monitor this counter in op5 Monitor, just add the following check-command and service: