2 { timestamp :: erlang:timestamp()
4 , memory :: [{atom(), non_neg_integer()}]
5 %, statistics :: [{atom() , term()}]
6 %, system :: [{atom() , term()}]
7 %, process :: [{atom() , term()}]
8 %, port :: [{atom() , term()}]
9 %, ets :: [{atom() , term()}]
10 %, dets :: [{atom() , term()}]