Hi, I have these three Zabbix Agent Items:
  • vm.memory.size[used]
  • vm.memory.size[cached]
  • vm.memory.size[memory]


All these work fine and are returning data every 30 seconds.

My goal is to have an Item that returns the result of the below...
vm.memory.size[used]-(vm.memory.size[cached+]vm.memory.size[memory])...