Class MacCentralProcessor

java.lang.Object

oshi.hardware.common.AbstractCentralProcessor

oshi.hardware.common.platform.mac.MacCentralProcessor

All Implemented Interfaces:

CentralProcessor

@ThreadSafe
public abstract class MacCentralProcessor
extends AbstractCentralProcessor

Base class for macOS CentralProcessor implementations. Subclasses provide platform-specific sysctl, IOKit, and Mach kernel calls.

Nested Class Summary

Nested classes/interfaces inherited from interface CentralProcessor

CentralProcessor.LogicalProcessor, CentralProcessor.PhysicalProcessor, CentralProcessor.ProcessorCache, CentralProcessor.ProcessorIdentifier, CentralProcessor.TickType

Field Summary

Fields

Modifier and Type	Field	Description
protected static final int	ARM_CPUTYPE
protected static final long	DEFAULT_FREQUENCY
protected static final int	M1_CPUFAMILY
protected static final int	M2_CPUFAMILY
protected static final int	M3_CPUFAMILY

Constructor Summary

Constructors

Constructor	Description
MacCentralProcessor()

Method Summary

Modifier and Type	Method	Description
protected abstract void	calculateNominalFrequencies()
protected long	getEfficiencyCoreFrequency()
protected long	getMaxFreqFromByteArray(byte[] data)
protected long	getPerformanceCoreFrequency()
protected Quartet<List<CentralProcessor.LogicalProcessor>, List<CentralProcessor.PhysicalProcessor>, List<CentralProcessor.ProcessorCache>, List<String>>	initProcessorCounts()	Initializes logical and physical processor lists and feature flags.
protected boolean	isArm()
protected abstract String	platformExpert()
protected abstract Map<Integer,String>	queryCompatibleStrings()
long	queryContextSwitches()	Get number of context switches
long[]	queryCurrentFreq()	Get processor current frequency.
long	queryInterrupts()	Get number of interrupts
long	queryMaxFreq()	Get processor max frequency.
protected CentralProcessor.ProcessorIdentifier	queryProcessorId()	Updates logical and physical processor counts and arrays
protected void	setEfficiencyCoreFrequency(long freq)
protected void	setPerformanceCoreFrequency(long freq)
protected abstract int	sysctlInt(String name, int defaultValue)
protected abstract int	sysctlIntNoWarn(String name, int defaultValue)
protected abstract long	sysctlLong(String name, long defaultValue)
protected abstract String	sysctlString(String name, String defaultValue)
protected abstract String	sysctlStringNoWarn(String name, String defaultValue)

Methods inherited from class AbstractCentralProcessor

createProcessorID, createProcessorID, createProcListFromDmesg, getContextSwitches, getCurrentFreq, getFeatureFlags, getInterrupts, getLogicalProcessorCount, getLogicalProcessors, getMaxFreq, getPhysicalPackageCount, getPhysicalProcessorCount, getPhysicalProcessors, getProcessorCaches, getProcessorCpuLoadBetweenTicks, getProcessorCpuLoadBetweenTicks, getProcessorCpuLoadTicks, getProcessorIdentifier, getSystemCpuLoadBetweenTicks, getSystemCpuLoadBetweenTicks, getSystemCpuLoadTicks, orderedProcCaches, queryProcessorCpuLoadTicks, querySystemCpuLoadTicks, toString

Methods inherited from class Object

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

Methods inherited from interface CentralProcessor

getProcessorCpuLoad, getSystemCpuLoad, getSystemLoadAverage

Field Details

ARM_CPUTYPE

protected static final int ARM_CPUTYPE

See Also:

• Constant Field Values

M1_CPUFAMILY

protected static final int M1_CPUFAMILY

See Also:

• Constant Field Values

M2_CPUFAMILY

protected static final int M2_CPUFAMILY

See Also:

• Constant Field Values

M3_CPUFAMILY

protected static final int M3_CPUFAMILY

See Also:

• Constant Field Values

DEFAULT_FREQUENCY

protected static final long DEFAULT_FREQUENCY

See Also:

• Constant Field Values

Constructor Details

MacCentralProcessor

public MacCentralProcessor()

Method Details

sysctlInt

protected abstract int sysctlInt(String name,
 int defaultValue)

sysctlIntNoWarn

protected abstract int sysctlIntNoWarn(String name,
 int defaultValue)

sysctlLong

protected abstract long sysctlLong(String name,
 long defaultValue)

sysctlString

protected abstract String sysctlString(String name,
 String defaultValue)

sysctlStringNoWarn

protected abstract String sysctlStringNoWarn(String name,
 String defaultValue)

platformExpert

protected abstract String platformExpert()

queryCompatibleStrings

protected abstract Map<Integer,String> queryCompatibleStrings()

calculateNominalFrequencies

protected abstract void calculateNominalFrequencies()

getPerformanceCoreFrequency

protected long getPerformanceCoreFrequency()

setPerformanceCoreFrequency

protected void setPerformanceCoreFrequency(long freq)

getEfficiencyCoreFrequency

protected long getEfficiencyCoreFrequency()

setEfficiencyCoreFrequency

protected void setEfficiencyCoreFrequency(long freq)

isArm

protected boolean isArm()

queryProcessorId

protected CentralProcessor.ProcessorIdentifier queryProcessorId()

Description copied from class: AbstractCentralProcessor

Updates logical and physical processor counts and arrays

Specified by:

queryProcessorId in class AbstractCentralProcessor

Returns:

An array of initialized Logical Processors

initProcessorCounts

protected Quartet<List<CentralProcessor.LogicalProcessor>, List<CentralProcessor.PhysicalProcessor>, List<CentralProcessor.ProcessorCache>, List<String>> initProcessorCounts()

Description copied from class: AbstractCentralProcessor

Initializes logical and physical processor lists and feature flags.

Specified by:

initProcessorCounts in class AbstractCentralProcessor

Returns:

Lists of initialized Logical Processors, Physical Processors, Processor Caches, and Feature Flags.

queryCurrentFreq

public long[] queryCurrentFreq()

Description copied from class: AbstractCentralProcessor

Get processor current frequency.

Specified by:

queryCurrentFreq in class AbstractCentralProcessor

Returns:

The current frequency.

queryMaxFreq

public long queryMaxFreq()

Description copied from class: AbstractCentralProcessor

Get processor max frequency.

Overrides:

queryMaxFreq in class AbstractCentralProcessor

Returns:

The max frequency.

queryContextSwitches

public long queryContextSwitches()

Description copied from class: AbstractCentralProcessor

Get number of context switches

Specified by:

queryContextSwitches in class AbstractCentralProcessor

Returns:

The context switches

queryInterrupts

public long queryInterrupts()

Description copied from class: AbstractCentralProcessor

Get number of interrupts

Specified by:

queryInterrupts in class AbstractCentralProcessor

Returns:

The interrupts

getMaxFreqFromByteArray

protected long getMaxFreqFromByteArray(byte[] data)