%SYSTEM.CPU

Class %SYSTEM.CPU Extends (%RegisteredObject, %SYSTEM.Help) [ System = 4 ]

This class holds information about available processors. The number of threads (virtual or logical cpus), cores and chips always reflect the situation in the current partition or processor set.

Properties

Arch

Property Arch As %String;

Architecture, eg: x86, Itanium, SPARC, PA-RISC

Model

Property Model As %String;

Chip model, eg: Pentium 4, POWER5

Vendor

Property Vendor As %String;

Chip vendor, eg: Intel, Sun, IBM

nThreads

Property nThreads As %Numeric;

Total number of threads (virtual or logical cpus)

nCores

Property nCores As %Numeric;

Total number of cores

nChips

Property nChips As %Numeric;

Total number of chips

nThreadsPerCore

Property nThreadsPerCore As %Numeric;

Number of threads per core (physical property)

nCoresPerChip

Property nCoresPerChip As %Numeric;

Number of cores per chip (physical property)

MHz

Property MHz As %Numeric;

Clock in MHz

MTSupported

Property MTSupported As %Boolean;

Is Hardware Multi-Threading supported?

MTEnabled

Property MTEnabled As %Boolean;

Is Hardware Multi-Threading enabled? (eg: HyperThreading(Intel) or SMT(ppc))

InsideCgroup

Property InsideCgroup As %Numeric;

Is IRIS running inside a cgroup

PeriodUs

Property PeriodUs As %Numeric;

cgroup cfs period in us

QuotaUs

Property QuotaUs As %Numeric;

cgroup cfs quota in us

Methods

Refresh

Method Refresh() As %Status

Force update and get new properties

GetProperties

Method GetProperties() As %Status [ Private ]

Query the system and update object properties

%OnNew

Method %OnNew() As %Status

Dump

ClassMethod Dump()

Display CPU information