swap_memory(map) :: %Facts.Mem.SwapMemStat{free: term, sin: term, sout: term, total: term, used: term, used_percent: term}

virtual_memory(map) :: %Facts.Mem.VirtualMemStat{active: term, available: term, buffers: term, cached: term, dirty: term, free: term, inactive: term, page_tables: term, shared: term, slab: term, swap_cached: term, total: term, used: term, used_percent: term, wired: term, writeback: term, writeback_tmp: term}