net.openhft.affinity.impl

Class VanillaCpuLayout

java.lang.Object

net.openhft.affinity.impl.VanillaCpuLayout

All Implemented Interfaces:

CpuLayout

public class VanillaCpuLayout
extends Object
implements CpuLayout

Author:

peter.lawrey

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_CPUS_SUPPORTED

Method Summary

Methods

Modifier and Type	Method and Description
int	coreId(int cpuId)
int	coresPerSocket()
int	cpus()
boolean	equals(Object o)
static VanillaCpuLayout	fromCpuInfo()
static VanillaCpuLayout	fromCpuInfo(InputStream is)
static VanillaCpuLayout	fromCpuInfo(String filename)
static VanillaCpuLayout	fromProperties(InputStream is)
static VanillaCpuLayout	fromProperties(Properties prop)
static VanillaCpuLayout	fromProperties(String fileName)
int	hashCode()
int	socketId(int cpuId)
int	sockets()
int	threadId(int cpuId)
int	threadsPerCore()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

MAX_CPUS_SUPPORTED

public static final int MAX_CPUS_SUPPORTED

See Also:

Constant Field Values

Method Detail

fromProperties

@NotNull
public static VanillaCpuLayout fromProperties(String fileName)
                                       throws IOException

Throws:

IOException

fromProperties

@NotNull
public static VanillaCpuLayout fromProperties(InputStream is)
                                       throws IOException

Throws:

IOException

fromProperties

@NotNull
public static VanillaCpuLayout fromProperties(@NotNull
                                      Properties prop)

fromCpuInfo

@NotNull
public static VanillaCpuLayout fromCpuInfo()
                                    throws IOException

Throws:

IOException

fromCpuInfo

@NotNull
public static VanillaCpuLayout fromCpuInfo(String filename)
                                    throws IOException

Throws:

IOException

fromCpuInfo

@NotNull
public static VanillaCpuLayout fromCpuInfo(InputStream is)
                                    throws IOException

Throws:

IOException

cpus

public int cpus()

Specified by:

cpus in interface CpuLayout

Returns:

the number of cpus.

sockets

public int sockets()

Specified by:

sockets in interface CpuLayout

coresPerSocket

public int coresPerSocket()

Specified by:

coresPerSocket in interface CpuLayout

threadsPerCore

public int threadsPerCore()

Specified by:

threadsPerCore in interface CpuLayout

socketId

public int socketId(int cpuId)

Specified by:

socketId in interface CpuLayout

Parameters:

cpuId - the logical processor number

Returns:

which socket id this cpu is on.

coreId

public int coreId(int cpuId)

Specified by:

coreId in interface CpuLayout

Parameters:

cpuId - the logical processor number

Returns:

which core on a socket this cpu is on.

threadId

public int threadId(int cpuId)

Specified by:

threadId in interface CpuLayout

Parameters:

cpuId - the logical processor number

Returns:

which thread on a core this cpu is on.

toString

@NotNull
public String toString()

Overrides:

toString in class Object

equals

public boolean equals(@Nullable
             Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object