Package oshi.hardware

Interface GlobalMemory

All Known Implementing Classes:

AbstractGlobalMemory, LinuxGlobalMemory

@ThreadSafe
public interface GlobalMemory

The GlobalMemory class tracks information about the use of a computer's physical memory (RAM) as well as any available virtual memory.

Method Summary

Modifier and Type	Method	Description
long	getAvailable()	The amount of physical memory currently available, in bytes.
long	getPageSize()	The number of bytes in a memory page
List<PhysicalMemory>	getPhysicalMemory()	Physical memory, such as banks of memory.
long	getTotal()	The amount of actual physical memory, in bytes.
VirtualMemory	getVirtualMemory()	Virtual memory, such as a swap file.

Method Details

getTotal

long getTotal()

The amount of actual physical memory, in bytes.

Returns:

Total number of bytes.

getAvailable

long getAvailable()

The amount of physical memory currently available, in bytes.

Returns:

Available number of bytes.

getPageSize

long getPageSize()

The number of bytes in a memory page

Returns:

Page size in bytes.

getVirtualMemory

VirtualMemory getVirtualMemory()

Virtual memory, such as a swap file.

Returns:

A VirtualMemory object.

getPhysicalMemory

List<PhysicalMemory> getPhysicalMemory()

Physical memory, such as banks of memory.

On Linux, requires elevated permissions. On FreeBSD and Solaris, requires installation of dmidecode.

Returns:

A list of PhysicalMemory objects.