Package oshi.driver.windows

Class LogicalProcessorInformation

java.lang.Object

oshi.driver.windows.LogicalProcessorInformation

@ThreadSafe
public final class LogicalProcessorInformation
extends java.lang.Object

Utility to query Logical Processor Information

Field Summary

Fields

Modifier and Type	Field	Description
private static boolean	IS_WIN10_OR_GREATER

Constructor Summary

Constructors

Modifier	Constructor	Description
private	LogicalProcessorInformation()

Method Summary

Modifier and Type	Method	Description
private static int	getBitMatchingPackageNumber(java.util.List<java.lang.Long> packageMaskList, int logProc)	Iterate over the package mask list and find a matching mask index
static Triplet<java.util.List<CentralProcessor.LogicalProcessor>,java.util.List<CentralProcessor.PhysicalProcessor>,java.util.List<CentralProcessor.ProcessorCache>>	getLogicalProcessorInformation()	Get a list of logical processors on this machine
static Triplet<java.util.List<CentralProcessor.LogicalProcessor>,java.util.List<CentralProcessor.PhysicalProcessor>,java.util.List<CentralProcessor.ProcessorCache>>	getLogicalProcessorInformationEx()	Get a list of logical processors on this machine.
private static int	getMatchingCore(java.util.List<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY> cores, int g, int lp)
private static int	getMatchingPackage(java.util.List<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY[]> packages, int g, int lp)
private static java.util.List<CentralProcessor.PhysicalProcessor>	getPhysProcs(java.util.List<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY> cores, java.util.Map<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY,java.lang.Integer> coreEfficiencyMap, java.util.Map<java.lang.Integer,java.lang.Integer> corePkgMap, java.util.Map<java.lang.Integer,java.lang.String> coreCpuidMap)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IS_WIN10_OR_GREATER

private static final boolean IS_WIN10_OR_GREATER

Constructor Detail

LogicalProcessorInformation

private LogicalProcessorInformation()

Method Detail

getLogicalProcessorInformationEx

public static Triplet<java.util.List<CentralProcessor.LogicalProcessor>,java.util.List<CentralProcessor.PhysicalProcessor>,java.util.List<CentralProcessor.ProcessorCache>> getLogicalProcessorInformationEx()

Get a list of logical processors on this machine. Requires Windows 7 and higher.

Returns:

A list of logical processors

getPhysProcs

private static java.util.List<CentralProcessor.PhysicalProcessor> getPhysProcs(java.util.List<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY> cores,
                                                                               java.util.Map<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY,java.lang.Integer> coreEfficiencyMap,
                                                                               java.util.Map<java.lang.Integer,java.lang.Integer> corePkgMap,
                                                                               java.util.Map<java.lang.Integer,java.lang.String> coreCpuidMap)

getMatchingPackage

private static int getMatchingPackage(java.util.List<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY[]> packages,
                                      int g,
                                      int lp)

getMatchingCore

private static int getMatchingCore(java.util.List<com.sun.jna.platform.win32.WinNT.GROUP_AFFINITY> cores,
                                   int g,
                                   int lp)

getLogicalProcessorInformation

public static Triplet<java.util.List<CentralProcessor.LogicalProcessor>,java.util.List<CentralProcessor.PhysicalProcessor>,java.util.List<CentralProcessor.ProcessorCache>> getLogicalProcessorInformation()

Get a list of logical processors on this machine

Returns:

A list of logical processors

getBitMatchingPackageNumber

private static int getBitMatchingPackageNumber(java.util.List<java.lang.Long> packageMaskList,
                                               int logProc)

Iterate over the package mask list and find a matching mask index

Parameters:

packageMaskList - The list of bitmasks to iterate

logProc - The bit to find matching mask

Returns:

The index of the list which matched the bit