1.创建item
Configuration-->Templates-->Template OS Linux-->items-->create item
name:
memory used percent
type:
Calculated #计算类型
key:
vm.memory.size[usedpercent]
Formula:
100*(last("vm.memory.size[total]")-last("vm.memory.size[available]"))/last("vm.memory.size[total]")
Applications:
Memory
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