type Memory struct {
// Total usable RAM (i.e. physical RAM minus a few reserved bits and the// kernel binary code).
MemTotal int64// Amount of free memory. MemFree int64// Total amount of swap space available. SwapTotal int64// Amount of swap space that is currently unused. SwapFree int64
}
Memory contains memory statistics of the host system.
Read retrieves memory statistics of the host system and returns a
Memory type. It is only supported on Linux and Windows, and returns an
error on other platforms.