Cisco 5508 WLC does not monitor anything

Cisco 5508 WLC does not monitor anything

Hi,
 
I'm having an hard time configuring my Cisco Wireless Controller for monitoring. Nothing shows up in my Snapshot but SNMP is configured properly.
 
I tried downloading the mib but I don't seem to be able to find what I'm looking for on these mibs.  want to be able to monitor the CPU/memory utilisation and associated mobile users.
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